/* ============================================================
   PORTFOLIO CSS — Arpita Dey
   Cleaned: duplicates removed, mobile optimized, hover animations removed
   ============================================================ */

/* ============================================================
   1. CSS VARIABLES
   ============================================================ */
:root {
  --accent:       #00f5c4;
  --accent2:      #7b5cf5;
  --accent-glow:  rgba(0, 245, 196, 0.25);
  --bg:           #0a0a0f;
  --bg2:          #111118;
  --bg3:          #1a1a26;
  --surface:      #16161f;
  --surface2:     #1e1e2e;
  --border:       rgba(255,255,255,0.07);
  --text:         #e8e8f0;
  --text2:        #8888a8;
  --text3:        #555575;
  --sidebar-w:    280px;
  --nav-h:        72px;
  --radius:       16px;
  --radius-sm:    8px;
  --radius-lg:    24px;
  --font-head:    'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'Space Mono', monospace;
  --trans:        0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-slow:   0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================================
   2. LIGHT MODE
   ============================================================ */
[data-theme="light"] {
  --bg:           #F8FAFC;
  --bg2:          #F1F5F9;
  --bg3:          #E2E8F0;
  --surface:      #FFFFFF;
  --surface2:     #F8FAFC;
  --border:       rgba(0,0,0,0.08);
  --text:         #0F172A;
  --text2:        #475569;
  --text3:        #94A3B8;
  --accent:       #00C9A7;
  --accent2:      #6366F1;
  --accent-glow:  rgba(0, 201, 167, 0.12);
}

[data-theme="light"] body                        { background: #F8FAFC; color: #0F172A; }
[data-theme="light"] .navbar                     { background: rgba(255,255,255,0.95); border-bottom: 1px solid #E2E8F0; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
[data-theme="light"] .logo-text                  { color: #0F172A; }
[data-theme="light"] .logo-accent                { color: #00C9A7; }
[data-theme="light"] .nav-link                   { color: #475569; }
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active            { color: #00C9A7; background: rgba(0,201,167,0.08); }
[data-theme="light"] .nav-link .nav-num          { color: #00C9A7; }
[data-theme="light"] .ham-line                   { background: #0F172A; }
[data-theme="light"] .ham-box                    { background: #FFFFFF; border-color: #E2E8F0; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
[data-theme="light"] .ham-box:hover              { border-color: #00C9A7; }
[data-theme="light"] .hamburger.open .line-1,
[data-theme="light"] .hamburger.open .line-3     { background: #00C9A7; }
[data-theme="light"] .toggle-track               { background: #ffffff; border-color: #6366F1; }
[data-theme="light"] .toggle-thumb               { transform: translateX(28px); background: linear-gradient(135deg, #6366F1, #00C9A7); }
[data-theme="light"] .dashboard-sidebar          { background: #F1F5F9; border-right: 1px solid #E2E8F0; }
[data-theme="light"] .sidebar-name               { color: #0F172A; }
[data-theme="light"] .sidebar-role               { color: #00C9A7; }
[data-theme="light"] .online-badge               { background: #E2E8F0; color: #475569; border-color: #E2E8F0; }
[data-theme="light"] .dot-pulse                  { background: #00C9A7; box-shadow: none; }
[data-theme="light"] .stat-item                  { background: #FFFFFF; border-color: #E2E8F0; box-shadow: 0 1px 4px rgba(0,0,0,0.05); }
[data-theme="light"] .stat-num                   { color: #00C9A7; }
[data-theme="light"] .stat-label                 { color: #94A3B8; }
[data-theme="light"] .dash-nav-item              { color: #334155; }
[data-theme="light"] .dash-nav-item i            { color: #64748B; }
[data-theme="light"] .dash-nav-item:hover,
[data-theme="light"] .dash-nav-item.active       { color: #00C9A7; background: rgba(0,201,167,0.10); }
[data-theme="light"] .dash-nav-item:hover i,
[data-theme="light"] .dash-nav-item.active i     { color: #00C9A7; }
[data-theme="light"] .sidebar-socials a          { color: #64748B; border-color: #E2E8F0; background: #FFFFFF; }
[data-theme="light"] .sidebar-socials a:hover    { color: #00C9A7; border-color: #00C9A7; background: rgba(0,201,167,0.08); }
[data-theme="light"] .home-name                  { color: #0F172A; }
[data-theme="light"] .home-name span             { color: #00C9A7; }
[data-theme="light"] .home-greeting              { color: #00C9A7; }
[data-theme="light"] .home-tagline               { color: #475569; }
[data-theme="light"] .home-desc                  { color: #475569; }
[data-theme="light"] .typewriter                 { color: #6366F1; border-color: #6366F1; }
[data-theme="light"] .home-socials a             { color: #64748B; border-color: #E2E8F0; background: #FFFFFF; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
[data-theme="light"] .home-socials a:hover       { color: #00C9A7; border-color: #00C9A7; background: rgba(0,201,167,0.08); }
[data-theme="light"] .floating-badge             { background: #FFFFFF; color: #0F172A; border-color: #E2E8F0; box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
[data-theme="light"] .floating-badge i           { color: #00C9A7; }
[data-theme="light"] .home-photo-blob            { opacity: 0.06; }
[data-theme="light"] .scroll-hint                { color: #94A3B8; }
[data-theme="light"] .scroll-mouse               { border-color: #94A3B8; }
[data-theme="light"] .scroll-wheel               { background: #00C9A7; }
[data-theme="light"] .btn--primary               { background: linear-gradient(135deg, #00C9A7, #6366F1); color: #FFFFFF; box-shadow: 0 4px 16px rgba(0,201,167,0.25); }
[data-theme="light"] .btn--outline               { border-color: #00C9A7; color: #00C9A7; }
[data-theme="light"] .btn--outline:hover         { background: rgba(0,201,167,0.08); }
[data-theme="light"] .btn-send                   { background: linear-gradient(135deg, #00C9A7, #6366F1); color: #FFFFFF; }
[data-theme="light"] .section-title              { color: #0F172A; }
[data-theme="light"] .title-accent               { color: #00C9A7; }
[data-theme="light"] .section-sub                { color: #475569; }
[data-theme="light"] .dash-card                  { background: #FFFFFF; border-color: #E2E8F0; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
[data-theme="light"] .dash-card:hover            { border-color: #00C9A7; }
[data-theme="light"] .dash-card h3               { color: #00C9A7; }
[data-theme="light"] .dash-card p                { color: #475569; }
[data-theme="light"] .dash-card-icon             { color: #6366F1; }
[data-theme="light"] .dash-card--hero            { background: linear-gradient(135deg, #F1F5F9, #FFFFFF); }
[data-theme="light"] .dash-card--hero h3         { color: #0F172A; }
[data-theme="light"] .dash-card--hero p          { color: #475569; }
[data-theme="light"] .skill-chips span           { background: #F1F5F9; color: #00C9A7; border-color: #E2E8F0; }
[data-theme="light"] .about-text h3              { color: #0F172A; }
[data-theme="light"] .about-text p               { color: #475569; }
[data-theme="light"] .detail-label               { color: #00C9A7; }
[data-theme="light"] .detail-item span:last-child { color: #0F172A; }
[data-theme="light"] .available                  { color: #00C9A7 !important; }
[data-theme="light"] .about-tag                  { background: linear-gradient(135deg, #00C9A7, #6366F1); color: #fff; }
[data-theme="light"] .filter-btn                 { color: #475569; border-color: #E2E8F0; background: #FFFFFF; }
[data-theme="light"] .filter-btn:hover,
[data-theme="light"] .filter-btn.active          { color: #00C9A7; border-color: #00C9A7; background: rgba(0,201,167,0.08); }
[data-theme="light"] .project-card               { background: #FFFFFF; border-color: #E2E8F0; }
[data-theme="light"] .project-card:hover         { border-color: #00C9A7; }
[data-theme="light"] .project-category           { color: #00C9A7; }
[data-theme="light"] .project-info h3            { color: #0F172A; }
[data-theme="light"] .project-info p             { color: #475569; }
[data-theme="light"] .project-tech span          { background: #F1F5F9; color: #64748B; border-color: #E2E8F0; }
[data-theme="light"] .timeline::before           { background: linear-gradient(180deg, #00C9A7, #6366F1, transparent); }
[data-theme="light"] .timeline-card              { background: #FFFFFF; border-color: #E2E8F0; }
[data-theme="light"] .timeline-card:hover        { border-color: #00C9A7; }
[data-theme="light"] .timeline-header h3         { color: #0F172A; }
[data-theme="light"] .timeline-company           { color: #00C9A7; }
[data-theme="light"] .timeline-date              { background: #F1F5F9; color: #475569; border-color: #E2E8F0; }
[data-theme="light"] .timeline-dot               { background: #00C9A7; border-color: #F8FAFC; box-shadow: 0 0 0 3px #00C9A7; }
[data-theme="light"] .timeline-desc li           { color: #475569; }
[data-theme="light"] .timeline-desc li::before   { color: #00C9A7; }
[data-theme="light"] .timeline-tags span         { background: #F1F5F9; color: #6366F1; border-color: #E2E8F0; }
[data-theme="light"] .cert-card                  { background: #FFFFFF; border-color: #E2E8F0; }
[data-theme="light"] .cert-card:hover            { border-color: #00C9A7; }
[data-theme="light"] .cert-title                 { color: #0F172A; }
[data-theme="light"] .cert-desc                  { color: #475569; }
[data-theme="light"] .cert-issuer                { color: #00C9A7; }
[data-theme="light"] .cert-modal-box             { background: #FFFFFF; border-color: #E2E8F0; }
[data-theme="light"] .cert-modal-title           { color: #0F172A; }
[data-theme="light"] .cert-modal-close           { background: #F1F5F9; color: #475569; }
[data-theme="light"] .learning-card              { background: #FFFFFF; border-color: #E2E8F0; }
[data-theme="light"] .learning-card:hover        { border-color: #6366F1; }
[data-theme="light"] .learning-icon              { background: rgba(99,102,241,0.08); border-color: rgba(99,102,241,0.25); color: #6366F1; }
[data-theme="light"] .learning-info h3           { color: #0F172A; }
[data-theme="light"] .learning-info p            { color: #475569; }
[data-theme="light"] .lp-bar                     { background: #E2E8F0; }
[data-theme="light"] .learning-progress span     { color: #6366F1; }
[data-theme="light"] .live-card                  { background: #FFFFFF; border-color: #E2E8F0; }
[data-theme="light"] .live-card:hover            { border-color: #00C9A7; }
[data-theme="light"] .live-status                { color: #00C9A7; background: rgba(0,201,167,0.08); border-color: #E2E8F0; }
[data-theme="light"] .live-dot                   { background: #00C9A7; }
[data-theme="light"] .live-info h3               { color: #0F172A; }
[data-theme="light"] .live-info p                { color: #475569; }
[data-theme="light"] .resume-preview             { background: #FFFFFF; border-color: #E2E8F0; }
[data-theme="light"] .resume-preview:hover       { border-color: #00C9A7; }
[data-theme="light"] .resume-placeholder i       { color: #00C9A7; }
[data-theme="light"] .resume-placeholder p       { color: #475569; }
[data-theme="light"] .contact-icon               { background: rgba(0,201,167,0.10); border-color: #00C9A7; color: #00C9A7; }
[data-theme="light"] .contact-item h4            { color: #94A3B8; }
[data-theme="light"] .contact-item a,
[data-theme="light"] .contact-item p             { color: #0F172A; }
[data-theme="light"] .contact-item a:hover       { color: #00C9A7; }
[data-theme="light"] .contact-socials a          { color: #64748B; border-color: #E2E8F0; background: #FFFFFF; }
[data-theme="light"] .contact-socials a:hover    { color: #00C9A7; border-color: #00C9A7; background: rgba(0,201,167,0.08); }
[data-theme="light"] .contact-form input,
[data-theme="light"] .contact-form textarea      { background: #FFFFFF; border-color: #E2E8F0; color: #0F172A; }
[data-theme="light"] .contact-form input:focus,
[data-theme="light"] .contact-form textarea:focus { border-color: #00C9A7; box-shadow: 0 0 0 3px rgba(0,201,167,0.12); }
[data-theme="light"] .contact-form label         { color: #475569; }
[data-theme="light"] .footer                     { border-color: #E2E8F0; color: #475569; background: #FFFFFF; }
[data-theme="light"] .footer-socials a:hover     { color: #00C9A7; }
[data-theme="light"] .back-to-top                { box-shadow: 0 4px 16px rgba(0,201,167,0.25); }
[data-theme="light"] .progress-bar               { background: linear-gradient(90deg, #00C9A7, #6366F1); }
[data-theme="light"] ::-webkit-scrollbar-track   { background: #F1F5F9; }
[data-theme="light"] ::-webkit-scrollbar-thumb   { background: #00C9A7; }
[data-theme="light"] .mobile-overlay             { background: rgba(15,23,42,0.97); }

/* Skills section light mode */
[data-theme="light"] .skills-section             { background: #F8FAFC; }
[data-theme="light"] .sk-title                   { color: #0F172A; }
[data-theme="light"] .sk-sub                     { color: #64748B; }
[data-theme="light"] .group-label                { color: #94A3B8; }
[data-theme="light"] .sk-tabs                    { background: #FFFFFF; border: 1px solid #E2E8F0; }
[data-theme="light"] .sk-tab                     { color: #64748B; }
[data-theme="light"] .sk-tab.active              { background: #00C9A7; color: #FFFFFF; }
[data-theme="light"] .stag                       { background: #FFFFFF; border: 1px solid #E2E8F0; color: #0F172A; }
[data-theme="light"] .stag:hover                 { border-color: #00C9A7; }
[data-theme="light"] .ibadge                     { background: #FFFFFF; border: 1px solid #E2E8F0; }
[data-theme="light"] .dcard                      { background: #FFFFFF; border: 1px solid #E2E8F0; }
[data-theme="light"] .dcard-name                 { color: #0F172A; }
[data-theme="light"] .dtag                       { background: #F1F5F9; border: 1px solid #E2E8F0; color: #64748B; }
[data-theme="light"] .tool-row                   { background: #FFFFFF; border: 1px solid #E2E8F0; }
[data-theme="light"] .tool-name                  { color: #0F172A; }
[data-theme="light"] .tool-desc                  { color: #64748B; }
[data-theme="light"] .tpill                      { background: #F1F5F9; border: 1px solid #E2E8F0; color: #64748B; }
[data-theme="light"] .soft-card                  { background: #FFFFFF; border: 1px solid #E2E8F0; }
[data-theme="light"] .soft-card p                { color: #475569; }

/* Education section light mode */
[data-theme="light"] .education-section          { background: #F8FAFC; color: #0F172A; }
[data-theme="light"] .ed-title                   { color: #0F172A; }
[data-theme="light"] .ed-sub                     { color: #64748B; }
[data-theme="light"] .tl-card                    { background: #FFFFFF; border: 1px solid #E2E8F0; }
[data-theme="light"] .tl-icon-wrap               { background: #F1F5F9; border: 1px solid #E2E8F0; }
[data-theme="light"] .tl-degree                  { color: #0F172A; }
[data-theme="light"] .tl-school                  { color: #64748B; }
[data-theme="light"] .tl-desc                    { color: #475569; border-top-color: #E2E8F0; }
[data-theme="light"] .step-label                 { color: #64748B; }
[data-theme="light"] .tl-dot                     { background: #FFFFFF; }


/* ============================================================
   3. RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--trans-slow), color var(--trans-slow);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea { font: inherit; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }
::selection { background: var(--accent); color: #000; }

/* ============================================================
   4. LOADER
   ============================================================ */
.loader {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 6px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  animation: pulse 1.2s ease-in-out infinite;
}
.loader-bar { width: 200px; height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; }
.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
  animation: loadFill 1.8s ease-in-out forwards;
}
@keyframes loadFill { from { width: 0; } to { width: 100%; } }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

/* ============================================================
   5. CUSTOM CURSOR (desktop only)
   ============================================================ */
.cursor, .cursor-trail {
  position: fixed; pointer-events: none; z-index: 9998;
  border-radius: 50%; transform: translate(-50%, -50%);
  mix-blend-mode: exclusion;
}
.cursor { width: 16px; height: 16px; background: var(--accent); transition: width 0.2s, height 0.2s; }
.cursor-trail { width: 40px; height: 40px; border: 1.5px solid var(--accent); opacity: 0.4; transition: all 0.12s; }
@media (max-width: 900px) { .cursor, .cursor-trail { display: none; } }

/* ============================================================
   6. PROGRESS BAR
   ============================================================ */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  z-index: 9997; width: 0; transition: width 0.1s;
}

/* ============================================================
   7. NAVIGATION
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; z-index: 900;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.75);
  border-bottom: 1px solid var(--border);
  transition: all var(--trans);
}
[data-theme="light"] .navbar { background: rgba(244, 244, 248, 0.8); }

.logo-text { font-size: 18px; font-weight: 700; letter-spacing: 0.3px; color: #FFFFFF; }
.logo-accent, .logo-dot { color: var(--accent); }
.nav-logo .logo-text { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; letter-spacing: -1px; }

.nav-links { display: flex; gap: 0.2rem; align-items: center; }
.nav-link {
  display: flex; align-items: center; gap: 0.3rem;
  padding: 0.4rem 0.7rem; border-radius: var(--radius-sm);
  font-size: 0.8rem; font-weight: 500; color: var(--text2);
  transition: color var(--trans), background var(--trans);
}
.nav-link .nav-num { font-family: var(--font-mono); font-size: 0.65rem; color: var(--accent); }
.nav-link:hover, .nav-link.active { color: var(--accent); background: rgba(0,245,196,0.07); }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

@media (max-width: 1100px) { .nav-links { display: none; } }

/* ============================================================
   8. THEME TOGGLE
   ============================================================ */
.theme-toggle { display: flex; align-items: center; }
.toggle-track {
  width: 56px; height: 28px; background: #1a1a2e;
  border: 1.5px solid #333; border-radius: 30px;
  position: relative; display: flex; align-items: center;
  padding: 3px; cursor: pointer;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.toggle-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, #00f5c4, #7b5cf5);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1), background 0.35s ease;
  transform: translateX(0);
}
[data-theme="light"] .toggle-track  { background: #ffffff; border-color: #7b5cf5; }
[data-theme="light"] .toggle-thumb  { transform: translateX(28px); background: linear-gradient(135deg, #7b5cf5, #00c9ff); }
.sun-icon  { position: absolute; opacity: 0; transition: opacity 0.25s; }
.moon-icon { position: absolute; opacity: 1; transition: opacity 0.25s; }
[data-theme="light"] .sun-icon  { opacity: 1; }
[data-theme="light"] .moon-icon { opacity: 0; }

/* ============================================================
   9. HAMBURGER
   ============================================================ */
.hamburger { display: flex; align-items: center; }
.ham-box {
  width: 44px; display: flex; flex-direction: column; gap: 5px;
  padding: 6px; background: var(--surface); border-radius: var(--radius-sm);
  border: 1px solid var(--border); position: relative;
  transition: border-color var(--trans);
}
.ham-box:hover { border-color: var(--accent); }
.ham-line {
  display: block; height: 2px; background: var(--text);
  border-radius: 2px; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}
.ham-line.line-1 { width: 100%; }
.ham-line.line-2 { width: 70%; }
.ham-line.line-3 { width: 100%; }
.ham-label {
  font-family: var(--font-mono); font-size: 0.45rem;
  color: var(--accent); letter-spacing: 2px;
  text-align: center; margin-top: 2px; transition: opacity var(--trans);
}
.hamburger.open .line-1 { transform: translateY(7px) rotate(45deg); background: var(--accent); width: 100%; }
.hamburger.open .line-2 { opacity: 0; transform: scaleX(0); }
.hamburger.open .line-3 { transform: translateY(-7px) rotate(-45deg); background: var(--accent); width: 100%; }
.hamburger.open .ham-label { opacity: 0; }

/* ============================================================
   10. MOBILE OVERLAY
   ============================================================ */
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(5, 5, 10, 0.97); z-index: 890;
  display: flex; align-items: center; justify-content: center;
  clip-path: circle(0% at calc(100% - 56px) 36px);
  transition: clip-path 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none; overflow-y: auto;
  padding: 5rem 1rem 2rem;
}
.mobile-overlay.open { clip-path: circle(150% at calc(100% - 56px) 36px); pointer-events: all; }
.mobile-menu { text-align: center; width: 100%; max-width: 340px; margin: 0 auto; }
.mobile-nav-links { margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: 0; }
.mobile-nav-links li { overflow: hidden; }
.mob-link {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-head); font-size: 1.25rem; font-weight: 700;
  color: #fff; padding: 0.32rem 0.75rem;
  transform: translateY(40px); opacity: 0;
  transition: transform 0.5s, opacity 0.5s, color var(--trans);
  letter-spacing: 0.3px;
}
.mob-link em {
  font-family: var(--font-mono); font-size: 0.62rem; font-style: normal;
  color: var(--accent); opacity: 0.8; min-width: 20px; text-align: right;
}
.mob-link:hover { color: var(--accent); }
.mobile-overlay.open .mob-link { opacity: 1; transform: translateY(0); }
.mobile-overlay.open .mobile-nav-links li:nth-child(1)  .mob-link { transition-delay: 0.08s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(2)  .mob-link { transition-delay: 0.12s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(3)  .mob-link { transition-delay: 0.16s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(4)  .mob-link { transition-delay: 0.20s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(5)  .mob-link { transition-delay: 0.24s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(6)  .mob-link { transition-delay: 0.28s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(7)  .mob-link { transition-delay: 0.32s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(8)  .mob-link { transition-delay: 0.36s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(9)  .mob-link { transition-delay: 0.39s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(10) .mob-link { transition-delay: 0.42s; }
.mobile-overlay.open .mobile-nav-links li:nth-child(11) .mob-link { transition-delay: 0.45s; }

.mobile-socials-wrap {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.25rem;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s 0.5s, transform 0.5s 0.5s;
}
.mobile-overlay.open .mobile-socials-wrap { opacity: 1; transform: translateY(0); }
.mobile-socials-label {
  font-family: var(--font-mono); font-size: 0.6rem;
  color: rgba(255,255,255,0.3); letter-spacing: 3px;
  text-transform: uppercase; margin-bottom: 0.85rem;
}
.mobile-socials { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.mobile-socials a {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: rgba(255,255,255,0.85);
  transition: all var(--trans); background: rgba(255,255,255,0.04);
}
.mobile-socials a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

@media (max-height: 680px) {
  .mob-link { font-size: 1.05rem; padding: 0.22rem 0.6rem; }
  .mobile-overlay { padding: 4.5rem 1rem 1.5rem; }
  .mobile-socials-wrap { padding-top: 0.85rem; }
  .mobile-socials a { width: 34px; height: 34px; font-size: 0.85rem; }
}

/* ============================================================
   11. SIDEBAR
   ============================================================ */
.dashboard-sidebar {
  position: fixed; top: var(--nav-h); left: 0;
  width: var(--sidebar-w); height: calc(100vh - var(--nav-h));
  background: var(--surface); border-right: 1px solid var(--border);
  overflow-y: auto; overflow-x: hidden; z-index: 800;
  padding: 1.5rem 1rem;
  display: flex; flex-direction: column; gap: 1.5rem;
  transition: transform var(--trans), background var(--trans-slow);
}
.dashboard-sidebar::-webkit-scrollbar { width: 3px; }

@media (max-width: 1200px) {
  .dashboard-sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0 !important; }
}

.sidebar-profile { text-align: center; }
.sidebar-avatar { position: relative; width: 80px; height: 80px; margin: 0 auto 0.8rem; }
.avatar-img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 2.5px solid var(--accent); }
.avatar-ring {
  position: absolute; inset: -5px; border-radius: 50%;
  border: 1px dashed var(--accent);
  animation: spinSlow 10s linear infinite; opacity: 0.4;
}
@keyframes spinSlow { to { transform: rotate(360deg); } }
.sidebar-name { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--text); }
.sidebar-role { font-size: 0.75rem; color: var(--accent); margin-top: 2px; font-family: var(--font-mono); }
.online-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.7rem; color: var(--text2); margin-top: 8px;
  background: var(--bg3); padding: 4px 10px;
  border-radius: 20px; border: 1px solid var(--border);
}
.dot-pulse {
  width: 7px; height: 7px; background: #22c55e; border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  50%      { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.sidebar-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; text-align: center; }
.stat-item { background: var(--bg3); border-radius: var(--radius-sm); padding: 0.6rem 0.3rem; border: 1px solid var(--border); }
.stat-num { display: block; font-family: var(--font-head); font-size: 1.2rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 0.62rem; color: var(--text3); font-family: var(--font-mono); }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.dash-nav-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.55rem 0.8rem; border-radius: var(--radius-sm);
  color: var(--text2); font-size: 0.85rem; transition: all var(--trans);
}
.dash-nav-item i { width: 18px; text-align: center; }
.dash-nav-item:hover, .dash-nav-item.active { background: var(--accent-glow); color: var(--accent); }

.sidebar-socials {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border);
}
.sidebar-socials a {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; color: var(--text2); transition: all var(--trans);
}
.sidebar-socials a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* ============================================================
   12. MAIN CONTENT
   ============================================================ */
.main-content { margin-left: var(--sidebar-w); padding-top: var(--nav-h); transition: margin-left var(--trans); }
@media (max-width: 1200px) { .main-content { margin-left: 0; } }

/* ============================================================
   13. SECTIONS — COMMON
   ============================================================ */
.section {
  padding: 5rem 3rem; border-bottom: 1px solid var(--border);
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s, transform 0.7s;
}
.section.visible { opacity: 1; transform: translateY(0); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-title { font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; }
.title-accent { color: var(--accent); }
.section-sub { margin-top: 0.75rem; color: var(--text2); font-size: 1rem; }

@media (max-width: 768px) { .section { padding: 3.5rem 1.25rem; } }

/* ============================================================
   14. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.6rem; border-radius: 100px;
  font-weight: 600; font-size: 0.9rem;
  transition: all var(--trans-bounce); white-space: nowrap;
}
.btn--primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #000; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn--outline { border: 1.5px solid var(--accent); color: var(--accent); }
.btn--outline:hover { background: var(--accent-glow); transform: translateY(-2px); }
.btn--sm { padding: 0.45rem 1rem; font-size: 0.8rem; }
.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   15. DASHBOARD SECTION
   ============================================================ */
.dashboard-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  grid-template-rows: auto auto; gap: 1.25rem;
}
.dash-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 1.5rem; border: 1px solid var(--border); transition: all var(--trans);
}
.dash-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.dash-card--hero {
  grid-column: 1; grid-row: 1 / span 2;
  background: linear-gradient(135deg, var(--bg3), var(--surface));
  display: flex; flex-direction: column; gap: 0.75rem;
}
.dash-card--hero h3 { font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; }
.dash-card--hero p  { color: var(--text2); font-size: 0.9rem; flex: 1; }
.dash-card h3       { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: var(--accent); }
.dash-card p        { color: var(--text2); font-size: 0.85rem; margin-top: 0.3rem; }
.dash-card-icon     { font-size: 1.5rem; color: var(--accent2); margin-bottom: 0.5rem; }
.dash-card--skills-preview { grid-column: 2 / 4; }
.dash-card--skills-preview h4, .dash-card--status h4 { font-family: var(--font-head); font-size: 0.95rem; margin-bottom: 0.75rem; }
.skill-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-chips span {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 100px; font-size: 0.72rem; padding: 0.25rem 0.7rem;
  color: var(--accent); font-family: var(--font-mono);
}
.dash-card--status p { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; color: var(--text2); margin-bottom: 0.3rem; }
.dash-card--status p i { color: var(--accent); width: 14px; }

@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .dash-card--hero { grid-column: 1 / -1; grid-row: auto; }
  .dash-card--skills-preview { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .dash-card--hero, .dash-card--skills-preview { grid-column: 1; }
}

/* ============================================================
   16. HOME SECTION
   ============================================================ */
.home-section {
  border-bottom: none; padding: 6rem 3rem;
  min-height: 90vh; display: flex; flex-direction: column; justify-content: center;
}
.home-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.home-greeting {
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent);
  letter-spacing: 3px; text-transform: uppercase; margin-bottom: 0.8rem;
}
.home-name { font-family: var(--font-head); font-size: clamp(3rem, 6vw, 5.5rem); font-weight: 800; line-height: 1.05; margin-bottom: 1rem; }
.home-name span { color: var(--accent); }
.typewriter { color: var(--accent2); font-weight: 600; border-right: 2px solid var(--accent2); padding-right: 4px; }
@keyframes blink { 50% { border-color: transparent; } }
.home-desc { color: var(--text2); max-width: 500px; margin-bottom: 2rem; }
.home-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.home-socials { display: flex; gap: 1rem; }
.home-socials a {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text2); transition: all var(--trans);
}
.home-socials a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.home-photo-wrap { position: relative; display: flex; align-items: center; justify-content: center; }
.home-photo {
  width: 340px; height: 340px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  position: relative; z-index: 2;
}

.home-photo-blob {
  position: absolute; width: 360px; height: 360px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  opacity: 0.12; z-index: 1;
}

.home-photo-ring {
  position: absolute; width: 400px; height: 400px;
  border-radius: 50%;
  border: 1px dashed var(--accent); opacity: 0.2;
  z-index: 1;
}

.floating-badge {
  position: absolute; background: var(--surface); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.5rem 0.9rem;
  font-size: 0.75rem; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 0.4rem; z-index: 3;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.badge-1 { top: 10%; right: -2%; animation-delay: 0s; }
.badge-2 { bottom: 12%; left: -2%; animation-delay: 1.5s; }
.floating-badge i { color: var(--accent); }
/* @keyframes floatBadge { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } } */

.scroll-hint {
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  margin-top: 4rem; font-size: 0.7rem; color: var(--text3);
  font-family: var(--font-mono); letter-spacing: 2px; text-transform: uppercase;
  animation: float 2s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
.scroll-mouse { width: 22px; height: 34px; border: 1.5px solid var(--text3); border-radius: 10px; display: flex; justify-content: center; padding-top: 5px; }
.scroll-wheel { width: 3px; height: 6px; background: var(--accent); border-radius: 2px; animation: scrollWheel 1.5s ease-in-out infinite; }
@keyframes scrollWheel { 0% { transform: translateY(0); opacity:1; } 100% { transform: translateY(10px); opacity:0; } }

@media (max-width: 768px) {
  .home-section { padding: 5rem 1.25rem 3rem; }
  .home-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .home-photo-wrap { order: -1; }
  .home-photo { width: 240px; height: 240px; }
  .home-photo-blob, .home-photo-ring { width: 260px; height: 260px; }
  .badge-1, .badge-2 { display: none; }
}

/* ============================================================
   17. ABOUT SECTION
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 4rem; align-items: center; }
.about-photo-wrap {
  position: relative;
  display: flex; justify-content: center;
  padding: 16px 0 0 16px;
}
.about-photo {
  width: 100%; max-width: 380px;
  border-radius: var(--radius-lg); object-fit: cover; aspect-ratio: 3/4;
  filter: grayscale(20%); transition: filter var(--trans);
  position: relative; z-index: 2;
}
.about-photo:hover { filter: none; }
.about-photo-accent {
  position: absolute;
  width: calc(100% - 16px); max-width: 380px; aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  /* border: 2px solid var(--accent); */
  top: 0; left: 0;
  z-index: 1; opacity: 1;
}
.about-tag {
  position: absolute; bottom: 20px; right: -10px;
  background: var(--accent); color: #000;
  padding: 0.75rem 1rem; border-radius: var(--radius);
  text-align: center; font-weight: 700; z-index: 3;
}
.about-tag strong { display: block; font-family: var(--font-head); font-size: 1.5rem; }
.about-tag span   { font-size: 0.72rem; }
.about-text h3    { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.about-text p     { color: var(--text2); margin-bottom: 1rem; }
.about-details    { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem 2rem; margin: 1.5rem 0 2rem; }
.detail-item      { display: flex; flex-direction: column; }
.detail-label     { font-size: 0.7rem; color: var(--accent); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 1px; }
.detail-item span:last-child { font-size: 0.9rem; color: var(--text); }
.available        { color: #22c55e !important; }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo-wrap { margin-bottom: 1rem; }
}

/* ============================================================
   18. SKILLS SECTION
   ============================================================ */

/* CSS Variables for skills */
.skills-section {
  --sk-bg:        #0a0a0f;
  --sk-card:      #0d1117;
  --sk-surface:   #111827;
  --sk-border:    #1e293b;
  --sk-accent:    #00d4aa;
  --sk-accent-bg: rgba(0,212,170,0.10);
  --sk-accent-br: rgba(0,212,170,0.22);
  --sk-text-1:    #f1f5f9;
  --sk-text-2:    #cbd5e1;
  --sk-text-3:    #64748b;
  --sk-text-4:    #334155;
  --sk-tab-txt:   #64748b;
  --sk-tag-txt:   #cbd5e1;
  --sk-pill-txt:  #475569;
  --sk-lbl-txt:   #334155;
  background: var(--sk-bg);
  padding: 3rem 1.1rem 3.5rem;
  font-family: var(--font-body);
  color: var(--sk-text-2);
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .skills-section {
  --sk-bg:        #f0faf7;
  --sk-card:      #ffffff;
  --sk-surface:   #e8f7f3;
  --sk-border:    #b2ddd4;
  --sk-accent:    #00a884;
  --sk-accent-bg: rgba(0,168,132,0.08);
  --sk-accent-br: rgba(0,168,132,0.25);
  --sk-text-1:    #0f172a;
  --sk-text-2:    #1e293b;
  --sk-text-3:    #475569;
  --sk-text-4:    #64748b;
  --sk-tab-txt:   #475569;
  --sk-tag-txt:   #1e293b;
  --sk-pill-txt:  #475569;
  --sk-lbl-txt:   #64748b;
}

.sk-inner        { max-width: 860px; margin: 0 auto; }
.sk-head         { text-align: center; margin-bottom: 1.6rem; }
.sk-title        { font-family: var(--font-head); font-size: 2rem; font-weight: 800; letter-spacing: -1px; color: var(--sk-text-1); margin-bottom: 0.3rem; }
.sk-title span   { color: var(--sk-accent); }
.sk-sub          { color: var(--sk-text-3); font-size: 0.72rem; letter-spacing: 0.13em; text-transform: uppercase; font-weight: 500; }

/* Tabs */
.sk-tabs {
  display: flex; gap: 3px; background: var(--sk-surface);
  border: 1px solid var(--sk-border); border-radius: 999px;
  padding: 4px; width: 100%; margin-bottom: 1.8rem;
}
.sk-tab {
  flex: 1; background: transparent; border: none;
  color: var(--sk-tab-txt); padding: 0.48rem 0.4rem;
  border-radius: 999px; cursor: pointer;
  font-size: 0.78rem; font-family: var(--font-body); font-weight: 500;
  transition: all 0.22s ease; white-space: nowrap;
}
.sk-tab.active { background: var(--sk-accent-bg); color: var(--sk-accent); box-shadow: inset 0 0 0 1px var(--sk-accent-br); }
.sk-tab:hover:not(.active) { color: var(--sk-text-2); }

/* Panels */
.sk-panel { display: none; animation: fadeUp 0.3s ease both; }
.sk-panel.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* Group label */
.group-label {
  font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--sk-lbl-txt); font-weight: 600; margin-bottom: 0.85rem;
  display: flex; align-items: center; gap: 0.65rem;
}
.group-label::after { content: ''; flex: 1; height: 1px; background: var(--sk-border); }
.tech-group { margin-bottom: 1.6rem; }

/* Skill tags */
.tag-row { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.stag {
  display: flex; align-items: center; gap: 0.55rem;
  background: var(--sk-surface); border: 1px solid var(--sk-border);
  border-radius: 10px; padding: 0.55rem 1rem;
  color: var(--sk-tag-txt); font-size: 0.86rem; font-weight: 500;
  transition: border-color 0.2s;
}
.stag:hover { border-color: var(--sk-accent-br); }
.stag .lvl  { font-size: 0.7rem; color: var(--sk-text-3); font-weight: 400; }

/* Dots */
.adot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.adot.green  { background: #00d4aa; box-shadow: 0 0 5px rgba(0,212,170,0.55); }
.adot.blue   { background: #5b8dee; box-shadow: 0 0 5px rgba(91,141,238,0.55); }
.adot.purple { background: #9b59b6; box-shadow: 0 0 5px rgba(155,89,182,0.55); }

.sk-divider { height: 1px; background: var(--sk-border); margin: 1.4rem 0; opacity: 0.5; }

/* Icon badges */
.icon-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.6rem; }
.ibadge {
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  background: var(--sk-card); border: 1px solid var(--sk-border);
  border-radius: 14px; padding: 1rem 0.5rem;
  transition: border-color 0.2s;
}
.ibadge:hover { border-color: var(--sk-accent-br); }
.ibadge i    { font-size: 1.4rem; }
.ibadge span { font-size: 0.65rem; color: var(--sk-text-3); font-weight: 500; letter-spacing: 0.03em; }

/* Design cards */
.design-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.dcard {
  background: var(--sk-card); border: 1px solid var(--sk-border);
  border-radius: 16px; padding: 1.1rem 1rem; transition: border-color 0.2s;
}
.dcard:hover { border-color: var(--sk-accent-br); }
.dcard-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--sk-accent-bg); border: 1px solid var(--sk-accent-br);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; color: var(--sk-accent); margin-bottom: 0.7rem;
}
.dcard-name { font-size: 0.88rem; font-weight: 700; color: var(--sk-text-1); margin-bottom: 0.5rem; font-family: var(--font-head); }
.dtags      { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.dtag       { background: var(--sk-surface); color: var(--sk-text-3); font-size: 0.63rem; padding: 0.2rem 0.55rem; border-radius: 6px; border: 1px solid var(--sk-border); font-weight: 500; }

/* Tools */
.tools-list { display: flex; flex-direction: column; gap: 0.75rem; }
.tool-row {
  display: flex; align-items: flex-start; gap: 0.9rem;
  background: var(--sk-card); border: 1px solid var(--sk-border);
  border-radius: 14px; padding: 1rem 1.1rem; transition: border-color 0.2s;
}
.tool-row:hover { border-color: var(--sk-accent-br); }
.tool-ico { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.tool-ico.git { background: rgba(241,78,50,0.1); color: #f14e32; border: 1px solid rgba(241,78,50,0.2); }
.tool-ico.vs  { background: rgba(0,120,215,0.1); color: #0078d7; border: 1px solid rgba(0,120,215,0.2); }
.tool-name    { font-size: 0.9rem; color: var(--sk-text-1); font-weight: 700; font-family: var(--font-head); }
.tool-desc    { font-size: 0.72rem; color: var(--sk-text-3); margin-top: 2px; }
.tool-pills   { display: flex; gap: 0.35rem; flex-wrap: wrap; margin-top: 0.55rem; }
.tpill        { background: var(--sk-surface); color: var(--sk-pill-txt); font-size: 0.63rem; padding: 0.2rem 0.6rem; border-radius: 6px; border: 1px solid var(--sk-border); font-weight: 500; }

/* Soft skills */
.soft-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; }
.soft-card {
  background: var(--sk-card); border: 1px solid var(--sk-border);
  border-radius: 16px; padding: 1.3rem 0.8rem 1.1rem;
  text-align: center; transition: border-color 0.2s;
}
.soft-card:hover { border-color: var(--sk-accent-br); }
.soft-icon {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--sk-accent-bg); border: 1px solid var(--sk-accent-br);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.7rem; font-size: 1rem; color: var(--sk-accent);
}
.soft-card p { font-size: 0.78rem; color: var(--sk-text-3); font-weight: 500; margin: 0; }

/* Skills responsive */
@media (min-width: 640px) {
  .skills-section { padding: 4.5rem 2rem 5rem; }
  .sk-title       { font-size: 2.8rem; letter-spacing: -1.5px; }
  .sk-tabs        { width: fit-content; margin-left: auto; margin-right: auto; }
  .sk-tab         { font-size: 0.84rem; padding: 0.5rem 1.4rem; flex: unset; }
  .icon-grid      { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.7rem; }
  .design-grid    { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .soft-grid      { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tool-row       { align-items: center; }
  .tool-pills     { margin-top: 0; margin-left: auto; justify-content: flex-end; }
}
@media (min-width: 860px) {
  .soft-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* ============================================================
   19. EXPERIENCE SECTION
   ============================================================ */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: ''; position: absolute; left: 11px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent2), transparent);
}
.timeline-item { position: relative; margin-bottom: 2rem; }
.timeline-dot {
  position: absolute; left: -2.5rem; top: 1.4rem;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px var(--accent); transition: all var(--trans);
}
.timeline-item:hover .timeline-dot { background: var(--accent2); box-shadow: 0 0 0 3px var(--accent2); }
.timeline-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem 1.75rem; transition: all var(--trans);
}
.timeline-card:hover { border-color: var(--accent); transform: translateX(4px); box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
.timeline-header h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; }
.timeline-company   { font-size: 0.85rem; color: var(--accent); margin-top: 0.2rem; }
.timeline-company i { margin-right: 0.3rem; }
.timeline-date      { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text2); background: var(--bg3); border: 1px solid var(--border); padding: 0.25rem 0.7rem; border-radius: 100px; white-space: nowrap; }
.timeline-desc      { padding-left: 1rem; margin-bottom: 1rem; }
.timeline-desc li   { color: var(--text2); font-size: 0.88rem; margin-bottom: 0.4rem; position: relative; }
.timeline-desc li::before { content: '›'; position: absolute; left: -1rem; color: var(--accent); }
.timeline-tags      { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.timeline-tags span { font-family: var(--font-mono); font-size: 0.68rem; background: var(--bg3); border: 1px solid var(--border); border-radius: 100px; padding: 0.2rem 0.65rem; color: var(--accent2); }

/* ============================================================
   20. PROJECTS SECTION
   ============================================================ */
.projects-filter { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2rem; }
.filter-btn {
  padding: 0.4rem 1rem; border-radius: 100px;
  border: 1.5px solid var(--border); color: var(--text2);
  font-size: 0.8rem; transition: all var(--trans);
}
.filter-btn.active, .filter-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.project-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: all var(--trans);
}
.project-card:hover { border-color: var(--accent); transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.project-card.hidden { display: none; }
.project-image { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.project-card:hover .project-image img { transform: scale(1.06); }
.project-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; gap: 1rem;
  opacity: 0; transition: opacity var(--trans);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-link {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent); color: #000;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--trans-bounce);
}
.project-link:hover { transform: scale(1.15); }
.project-info       { padding: 1.25rem 1.5rem; }
.project-category   { font-family: var(--font-mono); font-size: 0.68rem; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; }
.project-info h3    { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; margin: 0.3rem 0 0.5rem; }
.project-info p     { font-size: 0.85rem; color: var(--text2); margin-bottom: 0.75rem; }
.project-tech       { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.project-tech span  { font-family: var(--font-mono); font-size: 0.65rem; background: var(--bg3); border: 1px solid var(--border); border-radius: 100px; padding: 0.15rem 0.55rem; color: var(--text2); }

@media (max-width: 640px) { .projects-grid { grid-template-columns: 1fr; } }

/* ============================================================
   21. EDUCATION SECTION
   ============================================================ */
.education-section {
  background: var(--bg);
  padding: 4rem 2rem;
  font-family: var(--font-body);
  color: var(--text);
  position: relative; overflow: hidden;
}
.education-section::before {
  content: ''; position: absolute; top: -180px; left: 50%;
  transform: translateX(-50%); width: 600px; height: 600px;
  background: radial-gradient(circle, #00d4aa0d 0%, transparent 70%);
  pointer-events: none;
}
[data-theme="light"] .education-section::before { display: none; }

.ed-inner { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; }
.ed-title {
  text-align: center; font-family: var(--font-head);
  font-size: 2.5rem; font-weight: 800; letter-spacing: -1.5px;
  color: #f8fafc; margin-bottom: 0.4rem;
}
.ed-title span { background: linear-gradient(135deg, #00d4aa, #00b4d8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ed-sub { text-align: center; color: #475569; font-size: 0.78rem; margin-bottom: 3.5rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; }

/* Timeline */
.timeline { position: relative; padding-left: 3rem; }
.timeline::before {
  content: ''; position: absolute; left: 10px; top: 12px; bottom: 12px; width: 1px;
  background: linear-gradient(to bottom, #00d4aa88, #5b8dee66, #9b59b644, #1e293b);
}
.tl-item { position: relative; margin-bottom: 2rem; }

/* Timeline dot */
.tl-dot {
  position: absolute; left: -3rem; top: 1.35rem;
  width: 22px; height: 22px; border-radius: 50%;
  background: #000; display: flex; align-items: center; justify-content: center; z-index: 2;
}
.tl-dot-inner { width: 8px; height: 8px; border-radius: 50%; }
.tl-item:nth-child(1) .tl-dot { border: 2px solid #00d4aa; }
.tl-item:nth-child(1) .tl-dot-inner { background: #00d4aa; box-shadow: 0 0 7px #00d4aaaa; animation: dotPulse2 2.4s ease-in-out infinite 0s; }
.tl-item:nth-child(2) .tl-dot { border: 2px solid #5b8dee; }
.tl-item:nth-child(2) .tl-dot-inner { background: #5b8dee; box-shadow: 0 0 7px #5b8deeaa; animation: dotPulse2 2.4s ease-in-out infinite 0.4s; }
.tl-item:nth-child(3) .tl-dot { border: 2px solid #9b59b6; }
.tl-item:nth-child(3) .tl-dot-inner { background: #9b59b6; box-shadow: 0 0 7px #9b59b6aa; animation: dotPulse2 2.4s ease-in-out infinite 0.8s; }

@keyframes dotPulse2 {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.6); opacity: 0.45; }
}

/* TL card */
.tl-card {
  background: #0a0a0a; border: 1px solid #1a1a2e;
  border-radius: 18px; padding: 1.5rem 1.6rem;
  transition: transform 0.25s ease; position: relative; overflow: hidden;
}
.tl-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 1px; opacity: 0; transition: opacity 0.25s;
}
.tl-item:nth-child(1) .tl-card::before { background: linear-gradient(to right, transparent, #00d4aa55, transparent); }
.tl-item:nth-child(2) .tl-card::before { background: linear-gradient(to right, transparent, #5b8dee55, transparent); }
.tl-item:nth-child(3) .tl-card::before { background: linear-gradient(to right, transparent, #9b59b655, transparent); }
.tl-card:hover { transform: translateX(5px); }
.tl-item:nth-child(1) .tl-card:hover { border-color: #00d4aa33; }
.tl-item:nth-child(2) .tl-card:hover { border-color: #5b8dee33; }
.tl-item:nth-child(3) .tl-card:hover { border-color: #9b59b633; }
.tl-card:hover::before { opacity: 1; }

.tl-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 0.9rem; flex-wrap: wrap; }
.tl-icon-wrap { width: 44px; height: 44px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.tl-item:nth-child(1) .tl-icon-wrap { background: #00d4aa15; border: 1px solid #00d4aa22; color: #00d4aa; }
.tl-item:nth-child(2) .tl-icon-wrap { background: #5b8dee15; border: 1px solid #5b8dee22; color: #5b8dee; }
.tl-item:nth-child(3) .tl-icon-wrap { background: #9b59b615; border: 1px solid #9b59b622; color: #9b59b6; }

.tl-badge {
  display: flex; align-items: center; gap: 0.45rem;
  font-size: 0.7rem; padding: 0.25rem 0.75rem;
  border-radius: 999px; font-weight: 600; letter-spacing: 0.04em; white-space: nowrap;
  background: #00d4aa15; color: #00d4aa; border: 1px solid #00d4aa33;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: #00d4aa; flex-shrink: 0; animation: blinkDot 1.4s ease-in-out infinite; }
@keyframes blinkDot { 0%, 100% { opacity: 1; } 50% { opacity: 0.1; } }

.tl-degree { font-family: var(--font-head); font-size: 1.02rem; font-weight: 700; color: #f1f5f9; margin: 0 0 0.25rem; line-height: 1.3; }
.tl-school { font-size: 0.82rem; color: #475569; margin: 0 0 0.7rem; display: flex; align-items: center; gap: 0.4rem; }
.tl-school i { font-size: 0.72rem; }
.tl-meta   { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.tl-year   { display: flex; align-items: center; gap: 0.4rem; font-size: 0.76rem; color: #334155; font-weight: 500; }
.tl-year i { font-size: 0.7rem; }
.tl-score  { font-size: 0.76rem; font-weight: 600; padding: 0.18rem 0.65rem; border-radius: 6px; background: #00d4aa0f; color: #00d4aa; border: 1px solid #00d4aa22; }
.tl-desc   { font-size: 0.82rem; color: #374151; margin-top: 0.85rem; line-height: 1.6; padding-top: 0.85rem; border-top: 1px solid #1a1a2e; }

/* Step dots */
.tl-steps  { display: flex; align-items: center; justify-content: center; margin-top: 3rem; }
.step-node { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.step-dot  { width: 14px; height: 14px; border-radius: 50%; border: 2px solid; display: flex; align-items: center; justify-content: center; }
.step-dot::after { content: ''; width: 5px; height: 5px; border-radius: 50%; }
.step-dot.s1 { border-color: #00d4aa; }
.step-dot.s1::after { background: #00d4aa; animation: blinkDot 1.4s ease-in-out infinite 0s; }
.step-dot.s2 { border-color: #5b8dee; }
.step-dot.s2::after { background: #5b8dee; animation: blinkDot 1.4s ease-in-out infinite 0.3s; }
.step-dot.s3 { border-color: #9b59b6; }
.step-dot.s3::after { background: #9b59b6; animation: blinkDot 1.4s ease-in-out infinite 0.6s; }
.step-label { font-size: 0.68rem; color: #334155; font-weight: 500; text-align: center; max-width: 80px; line-height: 1.3; }
.step-line  { width: 80px; height: 1px; margin-bottom: 1.4rem; flex-shrink: 0; }
.step-line.l1 { background: linear-gradient(to right, #00d4aa44, #5b8dee44); }
.step-line.l2 { background: linear-gradient(to right, #5b8dee44, #9b59b644); }

/* ============================================================
   22. CERTIFICATES SECTION
   ============================================================ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.cert-card {
  background: #1a1a2e; border: 1px solid #2a2a40;
  border-radius: 14px; overflow: hidden;
  display: flex; flex-direction: column; cursor: pointer;
  transition: border-color 0.25s;
}
.cert-card:hover { border-color: #00e5b0; }
.cert-img-wrap { width: 100%; aspect-ratio: 16/9; background: #111124; overflow: hidden; }
.cert-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.cert-card:hover .cert-img-wrap img { transform: scale(1.04); }
.cert-img-placeholder { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.cert-img-placeholder span { font-size: 11px; color: #555; }
.cert-body { padding: 1.1rem 1.2rem 1.2rem; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.cert-top  { display: flex; align-items: center; justify-content: space-between; }
.cert-issuer { font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: #00e5b0; }
.cert-year   { font-size: 11px; background: #0d2e28; color: #00e5b0; border: 1px solid #00e5b025; padding: 2px 8px; border-radius: 99px; }
.cert-title  { font-size: 15px; font-weight: 600; color: #e8e8f0; line-height: 1.4; }
.cert-desc   { font-size: 12px; color: #6b6b80; line-height: 1.5; }
.cert-divider { height: 1px; background: #2a2a40; margin: 10px 0; }
.cert-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 500; color: #00e5b0;
  padding: 7px 14px; border: 1px solid #00e5b040;
  border-radius: 8px; background: #00e5b008;
  transition: background 0.2s, border-color 0.2s;
  align-self: flex-start; margin-top: auto;
}
.cert-link:hover { background: #00e5b018; border-color: #00e5b0; }

/* Certificate Modal */
.cert-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.85); z-index: 9999;
  align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.cert-modal-overlay.open { display: flex; }
.cert-modal-box {
  background: #161b22; border: 1px solid #30363d;
  border-radius: 16px; padding: 1.5rem; max-width: 560px; width: 90%;
  position: relative; animation: modalIn 0.25s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.93) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.cert-modal-close {
  position: absolute; top: 0.8rem; right: 0.9rem;
  background: #21262d; border: 1px solid #30363d; color: #8b949e;
  width: 30px; height: 30px; border-radius: 50%; cursor: pointer;
  font-size: 1rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.cert-modal-close:hover { background: #00d4aa22; border-color: #00d4aa; color: #00d4aa; }
.cert-modal-title { font-size: 1rem; font-weight: 600; color: #e5e7eb; margin-bottom: 1rem; padding-right: 2rem; }
.cert-modal-img-wrap { border-radius: 10px; overflow: hidden; border: 1px solid #21262d; background: #0d1117; }
.cert-modal-img-wrap img { width: 100%; height: auto; max-height: 340px; object-fit: contain; display: block; }
.cert-modal-footer { display: flex; justify-content: flex-end; margin-top: 1rem; }
.cert-modal-open-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: #00d4aa18; border: 1px solid #00d4aa55; color: #00d4aa;
  padding: 0.45rem 1.1rem; border-radius: 8px; font-size: 0.83rem;
  cursor: pointer; text-decoration: none; transition: all 0.2s;
}
.cert-modal-open-btn:hover { background: #00d4aa30; border-color: #00d4aa; }

/* ============================================================
   23. LEARNING SECTION
   ============================================================ */
.learning-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.learning-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  display: flex; gap: 1.25rem; align-items: flex-start; transition: all var(--trans);
}
.learning-card:hover { border-color: var(--accent2); }
.learning-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: rgba(123,92,245,0.12); border: 1px solid rgba(123,92,245,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--accent2); flex-shrink: 0;
}
.learning-info h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.learning-info p  { font-size: 0.82rem; color: var(--text2); margin-bottom: 0.75rem; }
.learning-progress { display: flex; align-items: center; gap: 0.75rem; }
.lp-bar   { flex: 1; height: 5px; background: var(--bg3); border-radius: 3px; overflow: hidden; }
.lp-fill  { height: 100%; background: linear-gradient(90deg, var(--accent2), var(--accent)); border-radius: 3px; width: 0; transition: width 1.2s cubic-bezier(0.4,0,0.2,1); }
.learning-progress span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent2); }

@media (max-width: 640px) { .learning-grid { grid-template-columns: 1fr; } }

/* ============================================================
   24. LIVE WORK SECTION
   ============================================================ */
.live-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.live-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: all var(--trans);
}
.live-card:hover { border-color: var(--accent); }
.live-status {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 0.75rem; font-family: var(--font-mono); font-size: 0.68rem;
  color: #22c55e; background: rgba(34,197,94,0.1); border-bottom: 1px solid var(--border);
}
.live-status--beta { color: #f59e0b; background: rgba(245,158,11,0.1); }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; animation: dotPulse 2s ease-in-out infinite; }
.live-dot--yellow { background: #f59e0b; }
.live-card img    { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.live-info        { padding: 1rem 1.25rem; }
.live-info h3     { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.live-info p      { font-size: 0.82rem; color: var(--text2); margin-bottom: 0.75rem; }

@media (max-width: 768px) { .live-grid { grid-template-columns: 1fr; } }

/* ============================================================
   25. RESUME SECTION
   ============================================================ */
.resume-box { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.resume-preview {
  background: var(--surface); border: 2px dashed var(--border);
  border-radius: var(--radius-lg); aspect-ratio: 3/4;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--trans);
}
.resume-preview:hover { border-color: var(--accent); }
.resume-placeholder     { text-align: center; color: var(--text2); }
.resume-placeholder i   { font-size: 3rem; color: var(--accent); margin-bottom: 1rem; }
.resume-placeholder p   { font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 0.5rem; }
.resume-placeholder span { font-size: 0.75rem; color: var(--text3); }
.resume-actions         { display: flex; flex-direction: column; gap: 1rem; }
.resume-upload-hint     { font-size: 0.78rem; color: var(--accent); font-family: var(--font-mono); }

@media (max-width: 640px) { .resume-box { grid-template-columns: 1fr; } }

/* ============================================================
   26. CONTACT SECTION
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; align-items: start; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.5rem; }
.contact-icon {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--accent-glow); border: 1px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--accent); flex-shrink: 0;
}
.contact-item h4  { font-size: 0.75rem; color: var(--text3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.2rem; }
.contact-item a, .contact-item p { color: var(--text); font-size: 0.9rem; }
.contact-item a:hover { color: var(--accent); }
.contact-socials  { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 2rem; }
.contact-socials a {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text2); transition: all var(--trans);
}
.contact-socials a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row     { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group   { display: flex; flex-direction: column; gap: 8px; margin-bottom: 4px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--text2); }
.form-group input,
.form-group textarea {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 0.7rem 1rem;
  color: var(--text); font-size: 0.9rem; outline: none;
  transition: border-color var(--trans); resize: vertical; width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text3); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 140px; line-height: 1.6; }

.btn-send {
  width: 100%; padding: 16px; border: none; border-radius: 10px;
  background: linear-gradient(90deg, #00c9a7, #7c3aed); color: #fff;
  font-size: 15px; font-weight: 600; letter-spacing: 0.03em; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: opacity 0.2s; margin-top: 4px;
}
.btn-send:hover    { opacity: 0.9; }
.btn-send:disabled { opacity: 0.7; cursor: not-allowed; }

.form-success {
  display: none; margin-top: 14px; padding: 12px 16px;
  background: rgba(0,201,167,0.12); border: 1px solid rgba(0,201,167,0.3);
  border-radius: 8px; color: #00c9a7; font-size: 13px; text-align: center;
}
.form-success.visible { display: block; }
.form-error {
  margin-top: 14px; padding: 12px 16px;
  background: rgba(220,50,50,0.12); border: 1px solid rgba(220,50,50,0.3);
  border-radius: 8px; color: #ff6b6b; font-size: 13px; text-align: center;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row     { grid-template-columns: 1fr; }
}

/* ============================================================
   27. FOOTER
   ============================================================ */
.footer {
  text-align: center; padding: 2rem; border-top: 1px solid var(--border);
  color: var(--text2); font-size: 0.85rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.heart { color: #ef4444; animation: heartbeat 1.5s ease-in-out infinite; }
@keyframes heartbeat { 0%,100% { transform: scale(1); } 50% { transform: scale(1.2); } }
.footer-socials { display: flex; gap: 0.75rem; }
.footer-socials a { color: var(--text2); transition: color var(--trans); }
.footer-socials a:hover { color: var(--accent); }

/* ============================================================
   28. BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #000; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  z-index: 800; opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all var(--trans-bounce); box-shadow: 0 4px 20px var(--accent-glow);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover   { transform: translateY(-3px); }

/* ============================================================
   29. REVEAL ANIMATIONS
   ============================================================ */
.reveal-text { opacity: 0; transform: translateY(20px); transition: opacity 0.7s, transform 0.7s; }
.reveal-text.visible { opacity: 1; transform: translateY(0); }
.reveal-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity 0.6s, transform 0.6s; }
.reveal-stagger.visible > *:nth-child(1) { opacity:1; transform:none; transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { opacity:1; transform:none; transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { opacity:1; transform:none; transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(4) { opacity:1; transform:none; transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(5) { opacity:1; transform:none; transition-delay: 0.25s; }
.reveal-stagger.visible > *:nth-child(6) { opacity:1; transform:none; transition-delay: 0.3s; }

/* ============================================================
   30. NOISE TEXTURE
   ============================================================ */
body::before {
  content: ''; position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.025; pointer-events: none; z-index: 9999;
}

/* ============================================================
   31. MOBILE — PERFORMANCE OPTIMIZATIONS
   ============================================================ */
@media (max-width: 768px) {
  /* Disable heavy animations on mobile */
  .home-photo          { animation: none; }
  .home-photo-blob     { animation: none; display: none; }
  .home-photo-ring     { animation: none; display: none; }
  .avatar-ring         { animation: none; }

  /* Disable translateY hover lifts — biggest lag source */
  .dash-card:hover,
  .project-card:hover,
  .cert-card:hover,
  .learning-card:hover,
  .live-card:hover,
  .edu-card:hover,
  .tl-card:hover,
  .stag:hover,
  .ibadge:hover,
  .dcard:hover,
  .soft-card:hover,
  .tool-row:hover      { transform: none; }

  /* Disable image scale on hover */
  .project-card:hover .project-image img,
  .cert-card:hover .cert-img-wrap img { transform: none; }

  /* Hire Me button hidden on mobile */
  .hire-me-btn { display: none !important; }

  /* Reduce section padding */
  .home-section { padding: 5rem 1.25rem 3rem; min-height: auto; }

  /* Stack grids to 1 column */
  .about-grid,
  .home-inner,
  .resume-box      { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid    { grid-template-columns: 1fr; gap: 2rem; }
  .projects-grid   { grid-template-columns: 1fr; }
  .learning-grid   { grid-template-columns: 1fr; }
  .live-grid       { grid-template-columns: 1fr; }
  .certs-grid      { grid-template-columns: 1fr; }
  .skills-grid     { grid-template-columns: 1fr; }
  .soft-skills-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .dashboard-grid  { grid-template-columns: 1fr; }
  .form-row        { grid-template-columns: 1fr; }
  .about-details   { grid-template-columns: 1fr; }
  .certs-grid      { grid-template-columns: 1fr; }
  .section         { padding: 3rem 1rem; }
}