/* ===== CSS Variables ===== */
:root {
  --bg: #0a0a14;
  --bg-card: #13131f;
  --bg-hover: #1c1c2e;
  --border: #2a2a40;
  --accent: #7c3aed;
  --accent-cyan: #22d3ee;
  --accent-glow: rgba(124, 58, 237, 0.25);
  --gradient: linear-gradient(135deg, #7c3aed 0%, #22d3ee 100%);
  --gradient-text: linear-gradient(135deg, #a78bfa, #22d3ee);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-accent: 0 4px 32px rgba(124,58,237,0.2);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ===== Light Theme ===== */
body.light {
  --bg: #f1f5f9;
  --bg-card: #ffffff;
  --bg-hover: #e8edf5;
  --border: #cbd5e1;
  --accent: #6d28d9;
  --accent-cyan: #0891b2;
  --accent-glow: rgba(109, 40, 217, 0.15);
  --gradient: linear-gradient(135deg, #6d28d9 0%, #0891b2 100%);
  --gradient-text: linear-gradient(135deg, #6d28d9, #0891b2);
  --text: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --shadow: 0 4px 24px rgba(0,0,0,0.1);
  --shadow-accent: 0 4px 32px rgba(109,40,217,0.15);
}

body.light a:hover { color: #6d28d9; }

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

a { color: var(--accent-cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: #a78bfa; }

img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

/* ===== Utility ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--accent-cyan); }
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124,58,237,0.4); }
  50%       { box-shadow: 0 0 0 12px rgba(124,58,237,0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}
@keyframes blink {
  0%, 100% { opacity: 1; } 50% { opacity: 0; }
}

.fade-in, .slide-up { opacity: 0; transition: opacity 0.6s ease, transform 0.6s ease; }
.slide-up { transform: translateY(25px); }
.fade-in.visible, .slide-up.visible { opacity: 1; transform: none; }

/* ===== Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,20,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  box-shadow: var(--shadow);
}
.nav-container {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { text-decoration: none; }
.brand-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}
.nav-menu {
  display: flex; list-style: none; gap: 4px; align-items: center;
}
.nav-link {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all var(--transition);
  text-decoration: none;
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: var(--bg-hover);
}
.nav-link.active { color: var(--accent-cyan); }

/* Theme toggle */
.theme-toggle {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--bg-hover); border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Section Shared ===== */
.section { padding: 90px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--text);
  margin-bottom: 16px;
}
.section-line {
  width: 60px; height: 3px;
  background: var(--gradient);
  border-radius: 2px;
  margin: 0 auto;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 100px 0 60px;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124,58,237,0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(34,211,238,0.08), transparent);
  pointer-events: none;
}
.hero-grid {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
}
.hero-label::before {
  content: '';
  display: inline-block; width: 32px; height: 2px;
  background: var(--accent-cyan);
}
.hero-name {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.1;
}
.hero-typed {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: var(--text-muted);
  margin-bottom: 24px;
  height: 2em;
  display: flex; align-items: center; gap: 4px;
}
#typed-text { color: var(--accent-cyan); font-weight: 500; }
.cursor {
  display: inline-block; width: 3px; height: 1.2em;
  background: var(--accent-cyan);
  animation: blink 1s infinite;
  border-radius: 2px;
}
.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition);
  text-decoration: none; border: none;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(124,58,237,0.35);
  color: #fff;
}
.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(34,211,238,0.06);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex; gap: 32px; flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat .number {
  font-family: var(--font-heading);
  font-size: 2rem; font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.hero-stat .label {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Hero visual */
.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow-accent);
  animation: float 6s ease-in-out infinite;
  position: relative;
}
.hero-card::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: var(--radius-lg);
  background: var(--gradient);
  z-index: -1;
  opacity: 0.5;
}
.hc-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 20px;
}
.hc-dot { width: 12px; height: 12px; border-radius: 50%; }
.hc-dot:nth-child(1) { background: #ff5f56; }
.hc-dot:nth-child(2) { background: #febc2e; }
.hc-dot:nth-child(3) { background: #27c840; }
.hc-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}
.hc-code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-muted);
}
.hc-code .kw { color: #c084fc; }
.hc-code .fn { color: #22d3ee; }
.hc-code .str { color: #86efac; }
.hc-code .num { color: #fca5a5; }
.hc-code .cm { color: var(--text-dim); }

/* ===== About Page ===== */
.about-grid {
  display: grid; grid-template-columns: 1fr 2fr; gap: 60px; align-items: start;
}
.about-avatar {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.avatar-circle {
  width: 160px; height: 160px; border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; font-weight: 700; color: #fff;
  font-family: var(--font-heading);
  box-shadow: 0 0 40px rgba(124,58,237,0.35);
  animation: pulse 3s infinite;
}
.about-quick-links { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.quick-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all var(--transition);
}
.quick-link:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(34,211,238,0.05);
}
.quick-link i { width: 16px; text-align: center; color: var(--accent-cyan); }

.about-content h2 {
  font-size: 1.8rem; margin-bottom: 16px;
}
.about-content .lead {
  font-size: 1.05rem; color: var(--text-muted);
  line-height: 1.8; margin-bottom: 20px;
}
.about-content p {
  color: var(--text-muted); line-height: 1.8; margin-bottom: 16px;
}

/* ===== Timeline (Experience) ===== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute; left: 10px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.timeline-item {
  position: relative; margin-bottom: 48px;
  opacity: 0; transform: translateX(-20px);
  transition: all 0.5s ease;
}
.timeline-item.visible { opacity: 1; transform: none; }
.timeline-dot {
  position: absolute; left: -37px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.3);
}
.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: all var(--transition);
}
.timeline-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  transform: translateX(4px);
}
.timeline-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 8px; margin-bottom: 4px;
}
.timeline-title { font-size: 1.1rem; font-weight: 600; }
.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: rgba(34,211,238,0.1);
  padding: 3px 10px; border-radius: 20px;
  white-space: nowrap;
}
.timeline-company {
  color: var(--accent-cyan); font-weight: 500;
  font-size: 0.9rem; margin-bottom: 12px;
  display: flex; align-items: center; gap: 6px;
}
.timeline-company i { font-size: 0.75rem; }
.timeline-client {
  margin-bottom: 16px;
  padding: 12px 16px;
  background: rgba(124,58,237,0.06);
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0;
}
.timeline-client-label {
  font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 4px;
  font-family: var(--font-mono);
}
.timeline-client-name { font-weight: 600; font-size: 0.95rem; }
.timeline-client-period {
  font-size: 0.78rem; color: var(--text-dim);
  font-family: var(--font-mono);
}
.timeline-bullets { list-style: none; margin-top: 12px; }
.timeline-bullets li {
  position: relative; padding-left: 18px;
  color: var(--text-muted); font-size: 0.88rem;
  line-height: 1.7; margin-bottom: 6px;
}
.timeline-bullets li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--accent-cyan); font-size: 0.8rem;
}

/* ===== Skills Page ===== */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  opacity: 0; transform: translateY(20px);
  transition: all 0.5s ease;
}
.skill-category.visible { opacity: 1; transform: none; }
.skill-category:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}
.skill-cat-header {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
}
.skill-cat-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
}
.skill-cat-title { font-size: 1rem; font-weight: 600; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 4px 12px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 500;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.25);
  color: var(--text-muted);
  transition: all var(--transition);
}
.skill-tag:hover {
  background: rgba(34,211,238,0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* ===== Education ===== */
.edu-grid { display: grid; gap: 24px; }
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: grid; grid-template-columns: auto 1fr;
  gap: 20px; align-items: start;
  transition: all var(--transition);
}
.edu-card:hover { border-color: var(--accent); box-shadow: var(--shadow-accent); }
.edu-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.3rem;
}
.edu-degree { font-size: 1.05rem; font-weight: 600; margin-bottom: 4px; }
.edu-school { color: var(--accent-cyan); font-size: 0.9rem; font-weight: 500; }
.edu-period {
  font-family: var(--font-mono);
  font-size: 0.75rem; color: var(--text-dim);
  margin-top: 4px;
}

/* Certifications */
.certs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px;
  margin-top: 40px;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex; align-items: flex-start; gap: 12px;
  transition: all var(--transition);
  opacity: 0; transform: translateY(15px);
}
.cert-card.visible { opacity: 1; transform: none; }
.cert-card:hover { border-color: var(--accent-cyan); transform: translateY(-3px); }
.cert-icon {
  color: var(--accent-cyan); font-size: 1.2rem; margin-top: 2px; flex-shrink: 0;
}
.cert-name { font-size: 0.85rem; font-weight: 500; margin-bottom: 2px; }
.cert-issuer { font-size: 0.75rem; color: var(--text-dim); }

/* Achievements */
.achievements-list { display: grid; gap: 12px; margin-top: 40px; }
.achievement-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 20px;
  display: flex; align-items: center; gap: 14px;
  transition: all var(--transition);
}
.achievement-item:hover { border-color: var(--accent); transform: translateX(4px); }
.achievement-item i { color: #fbbf24; font-size: 1rem; flex-shrink: 0; }
.achievement-item span { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Blog ===== */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.blog-card:hover { border-color: var(--accent); box-shadow: var(--shadow-accent); transform: translateY(-4px); }
.blog-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.2);
  padding: 3px 10px; border-radius: 20px;
  margin-bottom: 14px; width: fit-content;
}
.blog-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.blog-card h3 a { color: var(--text); }
.blog-card h3 a:hover { color: var(--accent-cyan); }
.blog-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; flex: 1; }
.blog-meta {
  margin-top: 16px; padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.blog-date { font-size: 0.78rem; color: var(--text-dim); font-family: var(--font-mono); }
.read-more { font-size: 0.82rem; color: var(--accent-cyan); font-weight: 500; }

/* Article page */
.article-wrapper { max-width: 780px; margin: 0 auto; padding: 120px 24px 80px; }
.article-header { margin-bottom: 40px; }
.article-category {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent-cyan); margin-bottom: 16px;
}
.article-title { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
.article-meta { color: var(--text-dim); font-size: 0.85rem; display: flex; gap: 16px; flex-wrap: wrap; }
.article-meta i { color: var(--accent-cyan); }
.article-divider {
  height: 2px; background: var(--gradient); border-radius: 2px;
  margin: 32px 0;
}
.article-content { color: var(--text-muted); line-height: 1.9; }
.article-content h1, .article-content h2, .article-content h3 {
  color: var(--text); margin: 2em 0 0.8em;
}
.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.2rem; }
.article-content p { margin-bottom: 1.2em; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 1.2em; }
.article-content li { margin-bottom: 6px; }
.article-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  padding: 2px 6px; border-radius: 5px;
  color: var(--accent-cyan);
}
.article-content pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px; overflow-x: auto; margin: 1.5em 0;
}
.article-content pre code {
  background: none; border: none; padding: 0;
  color: var(--text-muted); font-size: 0.85rem;
}
.article-content blockquote {
  border-left: 3px solid var(--accent-cyan);
  padding: 12px 20px; margin: 1.5em 0;
  background: rgba(34,211,238,0.04);
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex; align-items: flex-start; gap: 16px;
  transition: all var(--transition);
}
.contact-card:hover { border-color: var(--accent-cyan); box-shadow: 0 4px 20px rgba(34,211,238,0.1); }
.contact-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(34,211,238,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-cyan); font-size: 1.1rem; flex-shrink: 0;
}
.contact-label { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; font-family: var(--font-mono); }
.contact-value { color: var(--text); font-size: 0.95rem; font-weight: 500; }
.contact-value a { color: var(--text); }
.contact-value a:hover { color: var(--accent-cyan); }

.contact-social { margin-top: 8px; }
.contact-social h3 { font-size: 1rem; margin-bottom: 16px; }
.social-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.social-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 0.85rem; font-weight: 500;
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }

/* ===== Page layout ===== */
.page-wrapper {
  padding: 100px 0 80px;
}
.page-hero {
  background: linear-gradient(135deg, rgba(124,58,237,0.1), rgba(34,211,238,0.05));
  border-bottom: 1px solid var(--border);
  padding: 80px 0 60px;
  margin-bottom: 60px;
}
.page-hero-label {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent-cyan); margin-bottom: 12px; display: block;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); }
.page-hero p { color: var(--text-muted); margin-top: 12px; max-width: 600px; font-size: 1.05rem; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg-card);
}
.footer-container {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
}
.footer-left p { color: var(--text-dim); font-size: 0.82rem; margin-top: 4px; }
.footer-social { display: flex; gap: 12px; }
.social-link {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--bg-hover); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.9rem;
  transition: all var(--transition);
}
.social-link:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }
.footer-right p { color: var(--text-dim); font-size: 0.78rem; }
.footer-right a { color: var(--text-dim); }
.footer-right a:hover { color: var(--accent-cyan); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed; top: 0; right: -100%; width: 260px; height: 100vh;
    background: rgba(10,10,20,0.97); backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center; align-items: flex-start;
    padding: 40px 32px; gap: 8px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }
  .nav-menu.open { right: 0; }
  .nav-link { font-size: 1.1rem; padding: 10px 0; }
  .nav-toggle { display: flex; }
  .section { padding: 60px 0; }
  .timeline { padding-left: 24px; }
  .footer-container { flex-direction: column; text-align: center; }
}