/* ===========================
   DESIGN TOKENS & RESET
   =========================== */
:root {
  --bg-primary: #080810;
  --bg-secondary: #0d0d1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);

  --accent-blue: #3b82f6;
  --accent-blue-bright: #60a5fa;
  --accent-purple: #818cf8;
  --accent-purple-dark: #6d28d9;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --accent-glow-purple: rgba(129, 140, 248, 0.15);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #475569;

  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(59, 130, 246, 0.4);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Grotesk', sans-serif;

  --nav-h: 70px;
  --section-pad: clamp(80px, 10vw, 120px);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

body.loading {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

button {
  background: none;
  border: none;
  cursor: none;
  font-family: inherit;
}

/* ===========================
   CUSTOM CURSOR
   =========================== */
.cursor,
.cursor-trail {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity var(--transition);
}

.cursor {
  width: 10px;
  height: 10px;
  background: var(--accent-blue-bright);
  mix-blend-mode: screen;
}

.cursor-trail {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--accent-blue);
  opacity: 0.5;
  transition: transform 0.12s ease, opacity var(--transition);
}

.cursor.hidden,
.cursor-trail.hidden {
  opacity: 0;
}

/* ===========================
   SCROLL PROGRESS
   =========================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  width: 0%;
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ===========================
   LOADER
   =========================== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -2px;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  width: 0%;
  transition: width 0.05s linear;
  border-radius: 2px;
}

.loader-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* ===========================
   NAVBAR
   =========================== */
.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--border);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
  margin-right: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 2px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple-dark));
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   SHARED LAYOUT
   =========================== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
}

.section-desc {
  margin-top: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1rem;
}

.accent {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glass card */
.glass {
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple-dark));
  color: white;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

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

/* Ambient BG */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation: orbFloat1 10s ease-in-out infinite;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
  bottom: -150px; left: -100px;
  animation: orbFloat2 13s ease-in-out infinite;
}

.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.6) 0%, transparent 70%);
  top: 40%; left: 30%;
  animation: orbFloat1 8s ease-in-out infinite reverse;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.05); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, 20px) scale(1.03); }
}

.particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: center;
}

/* Photo */
.hero-photo-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.photo-ring {
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  background: conic-gradient(var(--accent-blue), var(--accent-purple), var(--accent-blue));
  animation: spin 8s linear infinite;
  z-index: 0;
  opacity: 0.7;
}

.photo-ring::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--bg-primary);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.photo-glow {
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 0;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.photo-frame {
  position: relative;
  z-index: 1;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,0.12);
  animation: float 6s ease-in-out infinite;
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3), 0 0 0 1px rgba(59,130,246,0.2);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: contrast(1.05) brightness(1.05);
}

.photo-badge {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #34d399;
  margin-top: 8px;
}

.badge-dot {
  width: 7px; height: 7px;
  background: #34d399;
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Hero text */
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.eyebrow-line {
  display: block;
  width: 32px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--accent-blue), transparent);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text-primary);
}

.name-accent {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--text-secondary);
  min-height: 2em;
}

.title-static {
  color: var(--text-primary);
}

.title-typed {
  color: var(--accent-blue-bright);
  min-width: 4px;
}

.title-cursor {
  color: var(--accent-blue);
  animation: blink 0.8s step-end infinite;
  font-weight: 300;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.75;
  max-width: 520px;
}

.hero-desc strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.hero-socials {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.social-link {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.social-link svg {
  width: 18px; height: 18px;
  display: block;
}

.social-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  animation: fadeIn 2s ease 1.5s both;
}

.scroll-mouse {
  width: 24px; height: 38px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-dot {
  width: 4px; height: 6px;
  background: var(--accent-blue);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.3; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===========================
   ABOUT
   =========================== */
.about {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-lead {
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.65;
}

.about-lead strong { color: var(--accent-blue-bright); }

.about-text p {
  color: var(--text-secondary);
  line-height: 1.75;
}

.about-text p strong { color: var(--text-primary); font-weight: 600; }

.about-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
  flex: 1;
  min-width: 100px;
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
  text-align: center;
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.about-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.about-card-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(129,140,248,0.1));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.about-card-icon svg {
  width: 20px; height: 20px;
  stroke: var(--accent-blue-bright);
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.about-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===========================
   SKILLS
   =========================== */
.skills { background: var(--bg-secondary); }

.skills-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.skills-tab {
  padding: 9px 24px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}

.skills-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.skills-tab.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple-dark));
  color: white;
  border-color: transparent;
}

.skills-panel {
  display: none;
}

.skills-panel.active {
  display: block;
  animation: fadeSlideUp 0.4s ease both;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.skill-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition), background var(--transition), box-shadow var(--transition);
  animation-delay: var(--delay, 0s);
}

.skill-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
}

.skill-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  color: var(--color, var(--accent-blue));
}

.skill-icon svg { width: 26px; height: 26px; display: block; }

.skill-info h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.skill-info p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===========================
   PROJECTS
   =========================== */
.projects { background: var(--bg-primary); }

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  animation-delay: var(--delay, 0s);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.12);
}

.project-card-top {
  position: relative;
  padding: 28px;
  background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(129,140,248,0.06));
  border-bottom: 1px solid var(--border);
}

.project-mockup {
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  overflow: hidden;
}

.mockup-bar {
  height: 26px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 6px;
}

.mockup-bar::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #ff5f57;
  box-shadow: 14px 0 0 #febc2e, 28px 0 0 #28c840;
}

.mockup-screen {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mockup-lines span {
  display: block;
  height: 6px;
  background: linear-gradient(90deg, var(--c, var(--accent-blue)), transparent);
  border-radius: 3px;
  opacity: 0.5;
  width: var(--w, 60%);
}

.mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  margin-top: 4px;
}

.mockup-box {
  height: 40px;
  background: var(--bc, var(--accent-blue));
  border-radius: 4px;
  opacity: 0.25;
}

.mockup-vote {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.vote-bar {
  height: 24px;
  background: linear-gradient(90deg, var(--vc, var(--accent-blue)), transparent);
  width: var(--w, 70%);
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-size: 10px;
  font-weight: 700;
  color: white;
  opacity: 0.7;
}

.project-number {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(255,255,255,0.06);
  line-height: 1;
}

.project-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.73rem;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent-blue-bright);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.project-features {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.project-features li {
  font-size: 0.83rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.project-features li::before {
  content: '→';
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-top: 1px;
}

.project-links {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.project-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  font-weight: 600;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.project-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(59, 130, 246, 0.1);
}

.project-btn svg { width: 14px; height: 14px; display: block; }

.project-btn-alt {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.2);
  color: var(--accent-blue-bright);
}

.project-btn-alt:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-blue);
}

/* ===========================
   EXPERIENCE / EDUCATION
   =========================== */
.experience { background: var(--bg-secondary); }

.timeline-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.timeline-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.timeline-heading svg {
  width: 20px; height: 20px;
  stroke: var(--accent-blue);
  flex-shrink: 0;
}

.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
  animation-delay: var(--delay, 0s);
}

.timeline-dot {
  position: absolute;
  left: -20px;
  top: 20px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
  z-index: 1;
}

.timeline-content {
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}

.timeline-content:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.timeline-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.timeline-badge {
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent-blue-bright);
}

.timeline-content h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.timeline-org {
  font-size: 0.83rem;
  color: var(--accent-blue-bright);
  font-weight: 500;
  margin-bottom: 10px;
}

.timeline-note {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 4px;
}

.timeline-list li {
  font-size: 0.83rem;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.timeline-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

/* Certificate */
.cert-section {
  margin-top: 48px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
  max-width: 640px;
}

.cert-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.cert-icon {
  width: 52px; height: 52px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(129,140,248,0.1));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-icon svg { width: 24px; height: 24px; stroke: var(--accent-blue-bright); }

.cert-info h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cert-info p {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.cert-badge {
  margin-left: auto;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
  white-space: nowrap;
}

/* Languages */
.languages-section { margin-top: 40px; }

.languages-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.lang-chip {
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: border-color var(--transition), transform var(--transition);
}

.lang-chip:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* ===========================
   CONTACT
   =========================== */
.contact { background: var(--bg-primary); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
  cursor: pointer;
}

.contact-item:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.contact-item-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item-icon svg { width: 18px; height: 18px; stroke: var(--accent-blue-bright); }

.contact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-top: 2px;
}

.contact-socials {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

/* Form */
.contact-form {
  padding: 32px;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  resize: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.04);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #f87171;
}

.form-error {
  font-size: 0.78rem;
  color: #f87171;
  min-height: 1.2em;
}

.form-submit {
  align-self: flex-start;
  min-width: 160px;
  justify-content: center;
}

.form-submit.loading {
  opacity: 0.7;
  pointer-events: none;
}

.submit-icon { width: 16px; height: 16px; }

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
  font-size: 0.875rem;
  font-weight: 600;
  animation: fadeSlideUp 0.4s ease;
}

.form-success svg { width: 16px; height: 16px; stroke: currentColor; flex-shrink: 0; }

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.footer-logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 280px;
}

.footer-links-group h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-links-group ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-group a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links-group a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.83rem;
  color: var(--text-muted);
}

.footer-bottom strong { color: var(--text-secondary); }

/* ===========================
   BACK TO TOP
   =========================== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), box-shadow var(--transition);
  z-index: 900;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.45);
}

.back-to-top svg { width: 18px; height: 18px; stroke: white; }

/* ===========================
   SCROLL REVEAL ANIMATIONS
   =========================== */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: var(--delay, 0s);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ===========================
   FOCUS / ACCESSIBILITY
   =========================== */
:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===========================
   MOBILE NAV
   =========================== */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(8, 8, 16, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    gap: 2px;
    transform: translateY(-110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  .nav-links.open { transform: translateY(0); }

  .nav-link {
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    width: 100%;
  }

  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1100px) {
  .hero-container {
    grid-template-columns: 300px 1fr;
    gap: 48px;
  }

  .photo-frame { width: 240px; height: 240px; }

  .about-grid { gap: 40px; }
}

@media (max-width: 900px) {
  :root { --section-pad: 72px; }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    padding-top: 24px;
    justify-items: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-eyebrow { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-socials { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr 1fr; }
  .about-stats { justify-content: center; }
  .projects-grid { grid-template-columns: 1fr; }
  .timeline-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .photo-frame { width: 200px; height: 200px; }
  .photo-ring { inset: -14px; }
  .form-row { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .contact-form { padding: 20px; }
  .hero-actions .btn { padding: 11px 18px; font-size: 0.875rem; }
}

/* ===========================
   REDUCED MOTION
   =========================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }
}