/* =====================================================
   PORTFOLIO — main.css  |  Complete Refactor 2026
   Light/Dark mode via CSS custom properties
   ===================================================== */

/* ── THEME VARIABLES ─────────────────────────────── */
html {
  /* Dark (default) */
  --bg:         #080812;
  --bg-alt:     #0d0d1e;
  --card:       rgba(255,255,255,0.030);
  --card-h:     rgba(255,255,255,0.058);
  --input-bg:   #13132c;
  --nav-bg:     rgba(8,8,18,0.88);
  --border:     rgba(255,255,255,0.070);
  --border-h:   rgba(59,130,246,0.45);
  --t0:         #f1f5f9;
  --t1:         #cbd5e1;
  --t2:         #94a3b8;
  --t3:         #475569;
  --sh-s:       0 4px 20px  rgba(0,0,0,0.30);
  --sh-m:       0 14px 45px rgba(0,0,0,0.42);
  --sh-l:       0 28px 75px rgba(0,0,0,0.58);
  --glow-b:     rgba(59,130,246,0.18);
  --glow-p:     rgba(139,92,246,0.12);
  --ok-bg:      rgba(34,197,94,0.10);
  --ok-fg:      #4ade80;
  --ok-bd:      rgba(34,197,94,0.22);
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg:         #f3f6ff;
  --bg-alt:     #ffffff;
  --card:       rgba(255,255,255,0.82);
  --card-h:     #ffffff;
  --input-bg:   #edf0f8;
  --nav-bg:     rgba(243,246,255,0.92);
  --border:     rgba(15,23,42,0.075);
  --border-h:   rgba(59,130,246,0.50);
  --t0:         #0f172a;
  --t1:         #1e293b;
  --t2:         #64748b;
  --t3:         #94a3b8;
  --sh-s:       0 4px 20px  rgba(0,0,0,0.06);
  --sh-m:       0 14px 45px rgba(0,0,0,0.09);
  --sh-l:       0 28px 75px rgba(0,0,0,0.13);
  --glow-b:     rgba(59,130,246,0.10);
  --glow-p:     rgba(139,92,246,0.07);
  --ok-bg:      rgba(22,163,74,0.10);
  --ok-fg:      #16a34a;
  --ok-bd:      rgba(22,163,74,0.22);
  color-scheme: light;
}

/* Smooth theme transition (applied briefly via JS) */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition:
    background-color 0.30s ease,
    border-color     0.30s ease,
    color            0.30s ease,
    box-shadow       0.30s ease !important;
}

/* ── BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--t0);
  font-family: 'Inter', system-ui, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.text-muted  { color: var(--t2); }
.text-dimmed { color: var(--t3); }
.bg-alt      { background: var(--bg-alt); }

/* ── CUSTOM SCROLLBAR ─────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #3b82f6, #8b5cf6);
  border-radius: 3px;
}

/* ── GRADIENT TEXT ────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-anim {
  background: linear-gradient(270deg, #3b82f6, #8b5cf6, #ec4899, #3b82f6);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 6s ease infinite;
}

@keyframes gradShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Typing cursor */
#typing-text::after {
  content: '|';
  -webkit-text-fill-color: #8b5cf6;
  animation: blink 0.72s step-end infinite;
  margin-left: 2px;
  font-weight: 300;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── GLASS CARD ───────────────────────────────────── */
.glass-card {
  background: var(--card);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 0.25s, border-color 0.25s, transform 0.35s cubic-bezier(0.4,0,0.2,1), box-shadow 0.35s;
}

.glass-card:hover {
  background: var(--card-h);
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--sh-m), 0 0 32px var(--glow-b);
}

/* ── GLOW ─────────────────────────────────────────── */
.glow       { box-shadow: 0 0 40px var(--glow-b); }
.glow-hover:hover { box-shadow: 0 0 60px var(--glow-b), 0 0 100px var(--glow-p); }

/* ── BACKGROUND GRID ──────────────────────────────── */
.bg-grid {
  background-image:
    linear-gradient(rgba(59,130,246,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.028) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 30s linear infinite;
}

html[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(59,130,246,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.05) 1px, transparent 1px);
}

@keyframes gridMove {
  from { background-position: 0 0; }
  to   { background-position: 60px 60px; }
}

/* ── HERO ORBS ────────────────────────────────────── */
.hero-orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(130px);
  pointer-events: none;
}
.hero-orb-blue   { background: rgba(59,130,246,0.20); }
.hero-orb-purple { background: rgba(139,92,246,0.16); }
.hero-orb-pink   { background: rgba(236,72,153,0.05); }

html[data-theme="light"] .hero-orb-blue   { background: rgba(59,130,246,0.10); }
html[data-theme="light"] .hero-orb-purple { background: rgba(139,92,246,0.08); }
html[data-theme="light"] .hero-orb-pink   { background: rgba(236,72,153,0.04); }

/* ── ANIMATIONS ───────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(38px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-13px) rotate(1.5deg); }
  66%       { transform: translateY(-6px)  rotate(-1deg); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 30px rgba(59,130,246,.30), 0 0 60px rgba(139,92,246,.10); }
  50%       { box-shadow: 0 0 55px rgba(59,130,246,.55), 0 0 110px rgba(139,92,246,.22); }
}

.animate-fade-in    { animation: fadeInUp 0.95s cubic-bezier(0.22,1,0.36,1) forwards; }
.animate-float      { animation: float 7s ease-in-out infinite; }
.animate-pulse-glow { animation: pulseGlow 4s ease-in-out infinite; }

.anim-d1 { animation-delay: 0.12s; opacity: 0; }
.anim-d2 { animation-delay: 0.24s; opacity: 0; }
.anim-d3 { animation-delay: 0.36s; opacity: 0; }
.anim-d4 { animation-delay: 0.48s; opacity: 0; }

/* ── SCROLL REVEAL ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1), transform 0.9s cubic-bezier(0.22,1,0.36,1);
}
.reveal.active { opacity: 1; transform: none; }

/* ── STAGGER ──────────────────────────────────────── */
.stagger > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.22,1,0.36,1), transform 0.6s cubic-bezier(0.22,1,0.36,1);
}
.stagger.active > *:nth-child(1)  { opacity:1; transform:none; transition-delay:0.04s; }
.stagger.active > *:nth-child(2)  { opacity:1; transform:none; transition-delay:0.09s; }
.stagger.active > *:nth-child(3)  { opacity:1; transform:none; transition-delay:0.14s; }
.stagger.active > *:nth-child(4)  { opacity:1; transform:none; transition-delay:0.19s; }
.stagger.active > *:nth-child(5)  { opacity:1; transform:none; transition-delay:0.24s; }
.stagger.active > *:nth-child(6)  { opacity:1; transform:none; transition-delay:0.29s; }
.stagger.active > *:nth-child(7)  { opacity:1; transform:none; transition-delay:0.34s; }
.stagger.active > *:nth-child(8)  { opacity:1; transform:none; transition-delay:0.39s; }
.stagger.active > *:nth-child(9)  { opacity:1; transform:none; transition-delay:0.44s; }

/* ── BUTTONS ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
  white-space: nowrap;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
  transition: left 0.45s ease;
}
.btn:hover::before { left: 100%; }
.btn:hover         { transform: translateY(-2px); }
.btn:active        { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #fff;
  box-shadow: 0 8px 26px rgba(59,130,246,.32);
}
.btn-primary:hover { box-shadow: 0 12px 36px rgba(59,130,246,.50); }

.btn-upwork {
  background: linear-gradient(135deg, #22c55e, #14b8a6);
  color: #fff;
  box-shadow: 0 8px 26px rgba(34,197,94,.28);
}
.btn-upwork:hover { box-shadow: 0 12px 36px rgba(34,197,94,.44); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--t0);
}
.btn-outline:hover { border-color: var(--border-h); background: var(--card); }

/* ── NAVIGATION ───────────────────────────────────── */
#navbar {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}
#navbar.scrolled { box-shadow: var(--sh-s); }

.nav-link {
  color: var(--t2);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 50%;
  width: 0; height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  transition: all 0.28s ease;
  transform: translateX(-50%);
}
.nav-link:hover,
.nav-link.active { color: var(--t0); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Theme toggle */
.theme-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--t2);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
  flex-shrink: 0;
}
.theme-btn:hover { background: var(--card-h); border-color: var(--border-h); color: var(--t0); transform: rotate(20deg); }

/* Mobile menu */
#mobile-menu { background: var(--bg-alt); border-left: 1px solid var(--border); }

/* ── SCROLL INDICATOR ─────────────────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: var(--t3);
  text-decoration: none;
  animation: scrollBounce 2.2s ease-in-out infinite;
  transition: color 0.2s;
}
.scroll-indicator:hover { color: var(--t1); }
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(9px); }
}

/* ── AVAILABLE BADGE ──────────────────────────────── */
.badge-available {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  background: var(--ok-bg);
  border: 1px solid var(--ok-bd);
  color: var(--ok-fg);
  font-size: 0.8125rem;
  font-weight: 500;
  animation: badgePulse 2.8s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,.35); }
  50%       { box-shadow: 0 0 0 7px rgba(34,197,94,.0); }
}

/* ── STATS ────────────────────────────────────────── */
.stats-strip { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  text-align: center;
  transition: border-color 0.25s, transform 0.3s, box-shadow 0.3s;
}
.stat-card:hover { border-color: var(--border-h); transform: translateY(-3px); box-shadow: var(--sh-s), 0 0 30px var(--glow-b); }

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform 0.2s;
}
.stat-number:hover { transform: scale(1.08); }

/* ── ABOUT ────────────────────────────────────────── */
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: var(--sh-s), 0 0 40px var(--glow-b);
}
.check-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--t1);
  font-size: 0.9375rem;
  transition: border-color 0.2s;
}
.check-item:hover { border-color: var(--border-h); }

html[data-theme="light"] .check-item { background: var(--bg-alt); }

/* ── TECH TAGS ────────────────────────────────────── */
.tech-tag {
  padding: 0.3rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--t1);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.tech-tag:hover { border-color: var(--border-h); color: var(--t0); background: var(--card-h); }

/* ── SERVICE CARDS ────────────────────────────────── */
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  transition: background 0.25s, border-color 0.25s, transform 0.35s cubic-bezier(0.4,0,0.2,1), box-shadow 0.35s;
}
.service-card:hover {
  background: var(--card-h);
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: var(--sh-m), 0 0 40px var(--glow-b);
}
.service-icon {
  width: 3rem; height: 3rem;
  border-radius: 0.875rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.375rem;
  transition: transform 0.25s;
}
.service-card:hover .service-icon { transform: scale(1.12) rotate(-3deg); }
.service-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.service-tasks { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.45rem; }
.service-tasks li {
  list-style: none;
  font-size: 0.8125rem;
  color: var(--t2);
  display: flex; align-items: flex-start; gap: 0.5rem;
  line-height: 1.4;
}
.service-tasks li::before { content: '→'; color: #3b82f6; flex-shrink: 0; font-size: 0.7rem; margin-top: 2px; }

/* ── PROCESS ──────────────────────────────────────── */
.process-wrap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

@media (max-width: 1024px) {
  .process-wrap { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .process-wrap { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
}

@media (max-width: 400px) {
  .process-wrap { grid-template-columns: 1fr; }
}

.process-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.5rem 0.875rem;
  text-align: center;
  position: relative; z-index: 1;
  transition: background 0.25s, border-color 0.25s, transform 0.3s, box-shadow 0.3s;
}
.process-step:hover { background: var(--card-h); border-color: var(--border-h); transform: translateY(-5px); box-shadow: var(--sh-m); }
.process-icon {
  width: 3.25rem; height: 3.25rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.375rem;
  font-size: 1.125rem;
  transition: transform 0.25s;
}
.process-step:hover .process-icon { transform: scale(1.12); }
.process-num {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.125rem;
}

/* ── EXPERIENCE TIMELINE ──────────────────────────── */
.timeline { position: relative; padding-left: 2.25rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 1.375rem; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #3b82f6, #8b5cf6, rgba(139,92,246,.1));
  border-radius: 1px;
}

.timeline-entry { position: relative; }
.timeline-entry::before {
  content: '';
  position: absolute;
  left: -2.625rem; top: 1.25rem;
  width: 0.75rem; height: 0.75rem;
  border-radius: 50%;
  background: #3b82f6;
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 3px rgba(59,130,246,.25);
}
.timeline-entry.current::before {
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34,197,94,.25);
}

.timeline-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.timeline-card:hover { background: var(--card-h); border-color: var(--border-h); box-shadow: var(--sh-s); }

.bullet { display: flex; align-items: flex-start; gap: 0.625rem; color: var(--t2); font-size: 0.9375rem; line-height: 1.55; }
.bullet i { color: #eab308; margin-top: 3px; flex-shrink: 0; font-size: 0.75rem; }

/* ── RESULTS ──────────────────────────────────────── */
.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.3s, box-shadow 0.3s;
}
.result-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, linear-gradient(90deg, #3b82f6, #8b5cf6));
  transform: scaleX(0);
  transition: transform 0.35s ease;
}
.result-card:hover { border-color: var(--border-h); transform: translateY(-5px); box-shadow: var(--sh-m), 0 0 40px var(--glow-b); }
.result-card:hover::after { transform: scaleX(1); }

/* ── PROJECT CARDS ────────────────────────────────── */
.project-card {
  border-radius: 1.5rem;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: transform 0.42s cubic-bezier(0.4,0,0.2,1), box-shadow 0.42s, border-color 0.25s;
}
.project-card:hover { transform: translateY(-10px) scale(1.015); box-shadow: var(--sh-l), 0 0 50px var(--glow-b); border-color: var(--border-h); }
.project-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent, rgba(139,92,246,.08));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
}
.project-card:hover::after { opacity: 1; }

.proj-overlay {
  opacity: 0; height: 0; overflow: hidden;
  transition: opacity 0.3s ease;
}
.project-card:hover .proj-overlay { opacity: 1; height: auto; }

.tech-badge {
  padding: 0.2rem 0.7rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 500;
}

/* ── PROJECT FILTER ───────────────────────────────── */
.filter-btn {
  padding: 0.5rem 1.2rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--t2);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-btn:hover { border-color: var(--border-h); color: var(--t0); background: var(--card-h); }
.filter-btn.active {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(59,130,246,.30);
}

/* Hidden project cards when filtered */
.project-card.is-hidden { display: none; }

/* ── SKILLS ───────────────────────────────────────── */
.skill-icon {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 0.875rem 0.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.35s cubic-bezier(0.4,0,0.2,1), box-shadow 0.35s;
  cursor: default;
}
.skill-icon::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.11), transparent);
  transition: left 0.5s ease;
}
.skill-icon:hover::before { left: 100%; }
.skill-icon:hover {
  transform: translateY(-6px) scale(1.07);
  border-color: var(--border-h);
  box-shadow: 0 12px 28px var(--glow-b);
}
.skill-name { font-size: 0.6875rem; color: var(--t2); margin-top: 0.4rem; white-space: nowrap; }

/* ── TESTIMONIALS ─────────────────────────────────── */
.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s, transform 0.3s;
}
.testimonial-card:hover { background: var(--card-h); border-color: var(--border-h); box-shadow: var(--sh-m); transform: translateY(-3px); }
.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
  opacity: 0;
  transition: opacity 0.3s;
}
.testimonial-card:hover::before { opacity: 1; }
.quote-icon { position: absolute; top: 1.25rem; right: 1.5rem; font-size: 3rem; color: rgba(59,130,246,.13); line-height: 1; }

/* ── CONTACT ──────────────────────────────────────── */
.contact-link {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  text-decoration: none;
  transition: background 0.22s, border-color 0.22s, transform 0.22s;
  color: var(--t0);
}
.contact-link:hover { background: var(--card-h); border-color: var(--border-h); transform: translateX(5px); }
.contact-icon {
  width: 3rem; height: 3rem;
  border-radius: 0.875rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform 0.22s;
}
.contact-link:hover .contact-icon { transform: scale(1.12); }

.form-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border-radius: 0.875rem;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--t0);
  font-size: 0.9375rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input::placeholder { color: var(--t3); }
.form-input:focus { border-color: var(--border-h); box-shadow: 0 0 0 3px rgba(59,130,246,.12); }

/* ── FOOTER ───────────────────────────────────────── */
footer { background: var(--bg-alt); border-top: 1px solid var(--border); }

/* ── MOBILE OPTIMIZATIONS ─────────────────────────── */
@media (max-width: 768px) {
  .project-card:hover { transform: translateY(-5px) scale(1.01); }
  .skill-icon:hover   { transform: translateY(-4px) scale(1.04); }
  .glass-card:hover   { transform: translateY(-2px); }

  /* Smaller hero headline gap on mobile */
  .badge-available { font-size: 0.75rem; padding: 0.35rem 0.875rem; }

  /* Timeline dot doesn't clip on small screens */
  .timeline { padding-left: 1.75rem; }
  .timeline-entry::before { left: -2.125rem; width: 0.65rem; height: 0.65rem; }

  /* About achievement card padding */
  .about-card { padding: 1.5rem; }

  /* Stat numbers slightly smaller on tiny screens */
  .stat-number { font-size: 1.875rem; }

  /* Filter buttons scroll on tiny screens */
  #project-filters { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 0.25rem; -webkit-overflow-scrolling: touch; }
  #project-filters::-webkit-scrollbar { height: 2px; }

  /* Contact links */
  .contact-link { padding: 1rem 1.25rem; }
  .contact-icon { width: 2.75rem; height: 2.75rem; font-size: 1.125rem; }
}

@media (max-width: 480px) {
  /* Stack service tasks flush */
  .service-card { padding: 1.375rem; }
  /* Timeline card padding */
  .timeline-card { padding: 1.25rem; }
  /* Result card padding */
  .result-card { padding: 1.5rem; }
}

/* ── NOSCRIPT FALLBACK ────────────────────────────── */
.reveal,
.stagger > *,
.animate-fade-in { will-change: opacity, transform; }