/* =========================================================
   MUHAMMAD ABDULLAH — PORTFOLIO STYLESHEET
   Tokens: Purple #7c3aed / Green #22d3a5 / Dark base #0a0a0f
   Fonts: Space Grotesk (display), Inter (body), JetBrains Mono (code)
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  --purple: #8b5cf6;
  --purple-dim: #7c3aed;
  --purple-glow: rgba(139, 92, 246, 0.35);
  --green: #22d3a5;
  --green-glow: rgba(34, 211, 165, 0.3);

  --bg: #08080c;
  --bg-alt: #0d0d14;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-solid: #121219;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #f1f1f5;
  --text-muted: #9a9aab;
  --text-dim: #6b6b7c;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-glow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-h: 76px;
}

[data-theme="light"] {
  --bg: #f7f7fb;
  --bg-alt: #ffffff;
  --surface: rgba(20, 20, 35, 0.035);
  --surface-solid: #ffffff;
  --border: rgba(20, 20, 40, 0.1);
  --border-strong: rgba(20, 20, 40, 0.18);

  --text: #14141f;
  --text-muted: #55556a;
  --text-dim: #86869c;

  --purple: #7c3aed;
  --purple-dim: #6d28d9;
  --green: #0d9c7d;
  --shadow-glow: 0 8px 32px rgba(20, 20, 40, 0.1);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
i { line-height: 1; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--purple); color: #fff;
  padding: 10px 16px; z-index: 1000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Reveal animation base ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--purple-dim));
  color: #fff;
  box-shadow: 0 4px 20px var(--purple-glow);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px var(--purple-glow); }
.btn-outline {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn-outline:hover { border-color: var(--green); color: var(--green); transform: translateY(-3px); }
.btn-sm { padding: 10px 18px; font-size: 0.85rem; }
.btn-lg { padding: 17px 34px; font-size: 1.02rem; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 900;
  display: flex;
  align-items: center;
  background: rgba(8, 8, 12, 0.55);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
[data-theme="light"] .navbar { background: rgba(247, 247, 251, 0.7); }
.navbar.scrolled { border-bottom-color: var(--border); }

.nav-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo-bracket { color: var(--green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 0;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--green));
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 14px; }

.theme-toggle {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
}
.theme-toggle:hover { border-color: var(--purple); transform: rotate(20deg); }
.theme-toggle i { position: absolute; font-size: 1.05rem; transition: opacity 0.25s ease, transform 0.25s ease; }
.icon-sun { opacity: 0; transform: scale(0.5) rotate(-90deg); color: #fbbf24; }
.icon-moon { opacity: 1; transform: scale(1) rotate(0); color: var(--purple); }
[data-theme="light"] .icon-sun { opacity: 1; transform: scale(1) rotate(0); }
[data-theme="light"] .icon-moon { opacity: 0; transform: scale(0.5) rotate(90deg); }

.nav-hire { display: inline-flex; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  border-radius: 8px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(2px);
  z-index: 800;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.mobile-overlay.open { opacity: 1; visibility: visible; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-glow {
  position: absolute;
  width: 620px; height: 620px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}
.glow-purple { background: var(--purple); top: -180px; right: -140px; }
.glow-green { background: var(--green); bottom: -220px; left: -160px; opacity: 0.22; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 10%, transparent 75%);
  opacity: 0.5;
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 60px 32px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 var(--green-glow);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 var(--green-glow); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero-greet {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--purple);
  font-weight: 500;
  margin-bottom: 6px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.4vw, 4.3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text) 40%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--green);
  font-weight: 500;
  margin-bottom: 22px;
  min-height: 1.6em;
}
.type-cursor { color: var(--purple); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  color: var(--text-muted);
  font-size: 1.03rem;
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }

.hero-socials { display: flex; gap: 14px; }
.social-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 1.05rem;
  transition: all var(--transition);
}
.social-icon:hover {
  border-color: var(--purple);
  color: var(--purple);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px var(--purple-glow);
}

/* Hero visual: code window */
.hero-visual { position: relative; }

.code-window {
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  backdrop-filter: blur(20px);
  transform: perspective(1000px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.5s ease;
}
.code-window:hover { transform: perspective(1000px) rotateY(-2deg) rotateX(0.5deg); }

.code-titlebar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.code-dots { display: flex; gap: 7px; }
.code-dots span { width: 11px; height: 11px; border-radius: 50%; }
.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }
.code-filename {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.code-body {
  padding: 26px 24px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.85;
  overflow-x: auto;
  color: var(--text);
}
.c-kw { color: var(--purple); }
.c-var { color: #f1f1f5; }
.c-prop { color: var(--green); }
.c-str { color: #ffb454; }
.c-fn { color: #61afef; }

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-glow);
  backdrop-filter: blur(14px);
  animation: float 4.5s ease-in-out infinite;
}
.float-card i { font-size: 1.15rem; }
.fc-1 { top: -8%; right: -6%; color: #61dafb; animation-delay: 0s; }
.fc-2 { bottom: 12%; left: -9%; color: #ffd43b; animation-delay: 1.2s; }
.fc-3 { bottom: -6%; right: 12%; color: #f7df1e; animation-delay: 2.1s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.scroll-indicator {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-line {
  width: 1px; height: 40px;
  background: var(--border-strong);
  position: relative;
  overflow: hidden;
}
.scroll-dot {
  position: absolute;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  left: -2px;
  animation: scroll-move 2s ease-in-out infinite;
}
@keyframes scroll-move {
  0% { top: -10%; }
  100% { top: 100%; }
}

/* ---------- Section base ---------- */
.section { padding: 120px 0; position: relative; }
.section-alt { background: var(--bg-alt); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.eyebrow::before { content: '// '; color: var(--text-dim); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.section-sub {
  color: var(--text-muted);
  max-width: 600px;
  font-size: 1.02rem;
  margin-bottom: 50px;
  margin-top: -6px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  margin-top: 48px;
  align-items: start;
}
.about-text p { color: var(--text-muted); margin-bottom: 18px; font-size: 1rem; }
.about-text strong { color: var(--text); }

.about-tech { margin-top: 28px; }
.about-tech h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 14px;
  color: var(--text);
}
.tech-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color var(--transition), transform var(--transition);
}
.pill:hover { border-color: var(--purple); transform: translateY(-2px); }
.pill i { color: var(--purple); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition);
}
.stat-card:hover { transform: translateY(-6px); border-color: var(--purple); }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--purple), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- Skills ---------- */
.skills-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.skill-card:hover {
  transform: translateY(-8px);
  border-color: var(--purple);
  box-shadow: 0 16px 40px rgba(139,92,246,0.15);
}
.skill-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--purple-glow), var(--green-glow));
  color: var(--purple);
  font-size: 1.3rem;
  margin-bottom: 18px;
}
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.soon {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--green);
  background: var(--green-glow);
  padding: 3px 9px;
  border-radius: 100px;
}
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ---------- Projects ---------- */
.projects-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px;
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--green);
  box-shadow: 0 16px 40px rgba(34,211,165,0.12);
}
.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.project-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.project-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--purple-glow), var(--green-glow));
  color: var(--purple);
  font-size: 1.1rem;
}
.project-type {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 10px;
}
.project-card > p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 18px;
  flex-grow: 1;
}
.project-tags { margin-bottom: 22px; }
.project-links {
  display: flex;
  gap: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.project-links a {
  font-size: 0.86rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.project-links a:hover { color: var(--purple); }
.project-card-more {
  border-style: dashed;
  justify-content: center;
  align-items: flex-start;
}

/* ---------- Timeline ---------- */
.timeline {
  margin-top: 48px;
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--purple), var(--green));
  opacity: 0.4;
}
.timeline-item { position: relative; padding-bottom: 44px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -40px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--purple);
  box-shadow: 0 0 0 5px var(--purple-glow);
}
.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  backdrop-filter: blur(10px);
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 8px 0 6px;
}
.timeline-org {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.92rem;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.timeline-org i { color: var(--purple); }
.timeline-content > p:not(.timeline-org) { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 16px; }

/* ---------- Resume CTA ---------- */
.resume-cta { padding: 100px 0; }
.resume-cta-inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  padding: 70px 40px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.resume-glow {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--purple-glow), transparent 70%);
  top: -180px; left: 50%; transform: translateX(-50%);
  z-index: 0;
}
.resume-icon {
  position: relative; z-index: 1;
  font-size: 2.4rem;
  color: var(--green);
  margin-bottom: 20px;
  display: inline-block;
}
.resume-cta-inner h2 {
  position: relative; z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 14px;
}
.resume-cta-inner p {
  position: relative; z-index: 1;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.resume-cta-inner .btn { position: relative; z-index: 1; }

/* ---------- Contact ---------- */
.contact-grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition);
}
.contact-card:not(.contact-card-static):hover {
  transform: translateY(-4px) translateX(2px);
  border-color: var(--purple);
}
.contact-icon {
  width: 46px; height: 46px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-glow), var(--green-glow));
  color: var(--purple);
  font-size: 1.05rem;
}
.contact-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 3px;
}
.contact-value {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  word-break: break-word;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding-top: 50px;
  background: var(--bg-alt);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  padding-bottom: 40px;
  flex-wrap: wrap;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 320px;
}
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.footer-socials a:hover { border-color: var(--green); color: var(--green); transform: translateY(-3px); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--purple-dim));
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px var(--purple-glow);
  opacity: 0; visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 700;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1200px) {
  .container, .nav-container, .hero-container { padding-left: 24px; padding-right: 24px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .hero-container { grid-template-columns: 1fr; text-align: left; }
  .hero-visual { order: -1; max-width: 460px; margin: 0 auto 20px; transform: scale(0.92); }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(4, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hire { display: none; }
  .hamburger { display: flex; }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    right: 0;
    width: min(78vw, 320px);
    height: calc(100vh - var(--nav-h));
    background: var(--surface-solid);
    border-left: 1px solid var(--border);
    padding: 36px 30px;
    gap: 8px;
    z-index: 850;
    box-shadow: -20px 0 50px rgba(0,0,0,0.35);
    overflow-y: auto;
  }
  .nav-links.mobile-open .nav-link {
    font-size: 1.05rem;
    padding: 14px 4px;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .section { padding: 90px 0; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .container, .nav-container, .hero-container { padding-left: 20px; padding-right: 20px; }
  .hero-name { font-size: clamp(2.2rem, 8vw, 3rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .float-card { display: none; }
  .code-window { transform: none; }
}

@media (max-width: 550px) {
  :root { --nav-h: 68px; }
  .nav-logo { font-size: 1.05rem; }
  .section-title { font-size: 1.7rem; }
  .hero-badge { font-size: 0.75rem; padding: 7px 13px; }
  .code-body { font-size: 0.78rem; padding: 20px 16px; }
  .resume-cta-inner { padding: 46px 22px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .back-to-top { width: 44px; height: 44px; bottom: 20px; right: 20px; }
}