/* =============================================
   PORTFOLIO - Premium Student Portfolio
   Author: [Your Name]
   ============================================= */

/* === IMPORTS & VARIABLES === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #0A0F1E;
  --bg-secondary: #0F172A;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --accent: #6366F1;
  --accent-2: #8B5CF6;
  --accent-3: #06B6D4;
  --accent-glow: rgba(99, 102, 241, 0.35);
  --accent-glow-2: rgba(139, 92, 246, 0.2);
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #475569;
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(99, 102, 241, 0.4);
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

body.loading {
  overflow: hidden;
}

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

::selection {
  background: var(--accent);
  color: white;
}

/* === CUSTOM CURSOR === */
.cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: normal;
}

.cursor-follower {
  position: fixed;
  width: 38px;
  height: 38px;
  border: 1.5px solid rgba(99, 102, 241, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.3s, height 0.3s, opacity 0.3s;
}

.cursor.expanded {
  width: 16px;
  height: 16px;
  background: var(--accent-2);
}

.cursor-follower.expanded {
  width: 56px;
  height: 56px;
  border-color: rgba(139, 92, 246, 0.4);
}

/* === PRELOADER === */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

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

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

.preloader-pct {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

/* === SCROLL PROGRESS === */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  z-index: 9997;
  width: 0%;
  transition: width 0.05s linear;
}

/* === NAVBAR === */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 5%;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  user-select: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  position: relative;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: left;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links a.active {
  background: rgba(99, 102, 241, 0.1);
}

.nav-cta {
  padding: 8px 18px !important;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  color: white !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
  box-shadow: 0 0 20px var(--accent-glow);
  -webkit-text-fill-color: white !important;
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 30px var(--accent-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: none;
}

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

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

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 30, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: var(--transition);
  letter-spacing: -0.5px;
}

.mobile-menu a:hover { color: var(--text-primary); }

/* === SECTIONS === */
section {
  padding: 100px 5%;
  position: relative;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-title span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.section-header {
  margin-bottom: 60px;
}

.max-container {
  max-width: 1180px;
  margin: 0 auto;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: none;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.3s;
}

.btn:hover::after {
  background: rgba(255,255,255,0.06);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn-ghost {
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.btn-ghost:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: var(--accent);
}

/* Ripple */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* === HERO === */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
  position: relative;
}

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

.hero-gradient {
  position: absolute;
  top: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(99,102,241,0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

.hero-gradient-2 {
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(6,182,212,0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {
  0%, 100% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.1) translate(20px, -20px); }
}

#particles-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
}

.hero-text .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

.hero-text .eyebrow .dot {
  width: 7px;
  height: 7px;
  background: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 8px #22C55E;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 16px;
}

.hero-name span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-typed-wrap {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  min-height: 30px;
  font-weight: 400;
}

.hero-typed-wrap .typed-cursor {
  color: var(--accent);
}

.hero-quote {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 36px;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photo-wrap {
  position: relative;
  z-index: 1;
}

.hero-photo-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  background: linear-gradient(135deg, rgba(99,102,241,0.5), rgba(139,92,246,0.5), rgba(6,182,212,0.3)) border-box;
  -webkit-mask: linear-gradient(white, white) padding-box, linear-gradient(white, white);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rotate 8s linear infinite;
}

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

.hero-photo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--bg-secondary), rgba(99,102,241,0.2));
  border: 3px solid rgba(99,102,241,0.3);
  box-shadow: 0 0 60px rgba(99,102,241,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-photo-placeholder {
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.5;
}

.hero-badge {
  position: absolute;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-card);
  animation: float 4s ease-in-out infinite;
}

.hero-badge-2 { top: 20px; right: -30px; animation-delay: -2s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-badge i {
  font-size: 1.1rem;
  color: var(--accent);
}

.hero-badge-text strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.hero-badge-text span {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
  animation: fadeInUp 1s 2s both;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 1.5px solid var(--text-muted);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 3px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* === ABOUT === */
#about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.about-photo-card {
  position: sticky;
  top: 100px;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.1));
  aspect-ratio: 3/4;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-img-placeholder {
  font-size: 6rem;
  color: var(--accent);
  opacity: 0.3;
}

.about-img-badge {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: rgba(10,15,30,0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.about-img-badge i {
  color: var(--accent);
  margin-right: 6px;
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0;
}

.info-item {
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.info-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.info-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.info-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.about-bio {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-goals {
  padding: 20px;
  background: rgba(99,102,241,0.06);
  border: 1px solid rgba(99,102,241,0.15);
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}

.about-goals h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.about-goals p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-counters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.counter-card {
  text-align: center;
  padding: 20px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.counter-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.counter-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.counter-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* === EDUCATION === */
#education { background: var(--bg-primary); }

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--accent), var(--accent-2), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0 40px;
  margin-bottom: 48px;
  align-items: start;
}

.timeline-item:nth-child(odd) .tl-content {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
}

.timeline-item:nth-child(odd) .tl-dot {
  grid-column: 2;
  grid-row: 1;
}

.timeline-item:nth-child(odd) .tl-meta {
  grid-column: 3;
  grid-row: 1;
  text-align: left;
}

.timeline-item:nth-child(even) .tl-meta {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
}

.timeline-item:nth-child(even) .tl-dot {
  grid-column: 2;
  grid-row: 1;
}

.timeline-item:nth-child(even) .tl-content {
  grid-column: 3;
  grid-row: 1;
  text-align: left;
}

.tl-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding-top: 8px;
}

.tl-dot-inner {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
  flex-shrink: 0;
  z-index: 1;
}

.tl-content {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.tl-content:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

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

.tl-level {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.tl-achievement {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.tl-meta {
  padding-top: 12px;
}

.tl-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

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

.skills-wrapper {
  display: grid;
  gap: 48px;
}

.skills-group-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skills-group-title i {
  color: var(--accent);
  font-size: 1rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.skill-card {
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.05), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.skill-card:hover::before { opacity: 1; }

.skill-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.skill-name-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-icon {
  width: 32px;
  height: 32px;
  background: rgba(99,102,241,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--accent);
}

.skill-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.skill-pct {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.skill-bar-wrap {
  height: 5px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Soft Skills Tags */
.soft-skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.soft-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.soft-tag i { color: var(--accent); font-size: 0.8rem; }

.soft-tag:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(99,102,241,0.06);
  transform: translateY(-2px);
}

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

.projects-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 7px 18px;
  border-radius: var(--radius-full);
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: none;
}

.filter-btn:hover,
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  border-color: transparent;
  box-shadow: 0 0 16px var(--accent-glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px var(--accent-glow-2);
}

.project-img {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}

.project-card:hover .project-img img { transform: scale(1.08); }

.project-img-icon {
  font-size: 3.5rem;
  color: var(--accent);
  opacity: 0.3;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,15,30,0.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.project-card:hover .project-overlay { opacity: 1; }

.overlay-actions {
  display: flex;
  gap: 8px;
}

.overlay-btn {
  padding: 7px 14px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  color: white;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
}

.overlay-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.project-status-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.status-completed { background: rgba(34,197,94,0.15); color: #22C55E; border: 1px solid rgba(34,197,94,0.3); }
.status-progress { background: rgba(234,179,8,0.15); color: #EAB308; border: 1px solid rgba(234,179,8,0.3); }
.status-planned { background: rgba(99,102,241,0.15); color: var(--accent); border: 1px solid rgba(99,102,241,0.3); }

.project-body {
  padding: 20px;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tech-badge {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  background: rgba(99,102,241,0.1);
  color: var(--accent);
  border: 1px solid rgba(99,102,241,0.2);
}

.project-links {
  display: flex;
  gap: 8px;
}

/* === GALLERY === */
#gallery { background: var(--bg-secondary); }

.gallery-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.gallery-grid {
  columns: 4 200px;
  gap: 14px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 14px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: none;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.gallery-item:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.gallery-img {
  width: 100%;
  display: block;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(6,182,212,0.05));
  aspect-ratio: auto;
  min-height: 120px;
}

.gallery-item:hover .gallery-img { transform: scale(1.06); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,15,30,0.85) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-overlay span {
  font-size: 0.8rem;
  font-weight: 500;
  color: white;
}

.gallery-overlay i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  color: white;
  opacity: 0.8;
}

.gallery-placeholder-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--bg-card);
  color: var(--accent);
  opacity: 0.5;
}

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9990;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

#lightbox.open {
  display: flex;
  opacity: 1;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  cursor: none;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* === CERTIFICATES === */
#certificates { background: var(--bg-primary); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  group: true;
}

.cert-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.cert-preview {
  height: 160px;
  background: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(139,92,246,0.1) 50%, rgba(6,182,212,0.08) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.cert-preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(99,102,241,0.03) 10px,
    rgba(99,102,241,0.03) 20px
  );
}

.cert-icon-wrap {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: white;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.cert-body {
  padding: 18px;
}

.cert-type {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.cert-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
}

.cert-org {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.cert-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 14px;
}

/* === RESUME === */
#resume { background: var(--bg-secondary); }

.resume-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}

.resume-section {
  margin-bottom: 36px;
}

.resume-section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.resume-section-title i { color: var(--accent); }

.resume-item {
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  transition: var(--transition);
  border-left: 3px solid var(--accent);
}

.resume-item:hover {
  border-color: var(--border-hover);
  border-left-color: var(--accent-2);
}

.resume-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.resume-item-sub {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 6px;
}

.resume-item-period {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.resume-item-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.download-resume-card {
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(139,92,246,0.08));
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
  position: sticky;
  top: 100px;
}

.download-resume-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.download-resume-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.resume-doc-icon {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.ref-card {
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
}

.ref-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.ref-role {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.ref-contact {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

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

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(99,102,241,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.social-links {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 42px;
  height: 42px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--accent-glow);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
}

.form-group {
  margin-bottom: 18px;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  resize: none;
}

.form-control:focus {
  border-color: var(--accent);
  background: rgba(99,102,241,0.05);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-control::placeholder { color: var(--text-muted); }

.form-control.error { border-color: #EF4444; }

.field-error {
  font-size: 0.75rem;
  color: #EF4444;
  margin-top: 4px;
  display: none;
}

.field-error.show { display: block; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-submit {
  display: flex;
  justify-content: flex-end;
}

.btn-submit {
  position: relative;
  overflow: hidden;
}

.btn-submit .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.btn-submit.loading .spinner { display: block; }
.btn-submit.loading .btn-text { display: none; }

/* Toast */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 14px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  z-index: 9995;
  transform: translateY(20px);
  opacity: 0;
  transition: var(--transition);
  max-width: 340px;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success i { color: #22C55E; }
.toast.error i { color: #EF4444; }

/* Map placeholder */
.map-placeholder {
  width: 100%;
  height: 250px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  color: var(--text-muted);
}

.map-placeholder i { font-size: 2rem; color: var(--accent); opacity: 0.5; }
.map-placeholder span { font-size: 0.85rem; }

/* === FOOTER === */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 56px 5% 32px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  font-size: 1.4rem;
  display: inline-block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 8px; }

.footer-col ul a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-col ul a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom .social-links { gap: 8px; }

.footer-bottom .social-link {
  width: 34px;
  height: 34px;
  font-size: 0.85rem;
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  cursor: none;
}

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

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

/* === MODAL === */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  z-index: 9990;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.open { display: flex; }

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.3s cubic-bezier(0.4,0,0.2,1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.94) translateY(16px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 24px 24px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: none;
  transition: var(--transition);
  flex-shrink: 0;
}

.modal-close:hover { background: #EF4444; color: white; border-color: #EF4444; }

.modal-body {
  padding: 20px 24px 24px;
}

.modal-img {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.1));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 4rem;
  color: var(--accent);
  overflow: hidden;
}

.modal-img img { width: 100%; height: 100%; object-fit: cover; }
.modal-img .modal-icon { opacity: 0.4; }

.map-placeholder {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 24px;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

[data-aos] {
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4,0,0.2,1);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo-card { position: relative; top: 0; max-width: 360px; margin: 0 auto; }
  .timeline::before { left: 24px; }
  .timeline-item { grid-template-columns: auto 1fr; }
  .timeline-item:nth-child(odd) .tl-content,
  .timeline-item:nth-child(even) .tl-content { grid-column: 2; grid-row: 1; text-align: left; }
  .timeline-item:nth-child(odd) .tl-dot,
  .timeline-item:nth-child(even) .tl-dot { grid-column: 1; grid-row: 1; }
  .timeline-item:nth-child(odd) .tl-meta,
  .timeline-item:nth-child(even) .tl-meta { display: none; }
  .resume-layout { grid-template-columns: 1fr; }
  .download-resume-card { position: relative; top: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  section { padding: 72px 5%; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .hero-photo { width: 220px; height: 220px; }
  .about-info-grid { grid-template-columns: 1fr; }
  .about-counters { grid-template-columns: repeat(3,1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .gallery-grid { columns: 2 120px; }
  .cert-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-badge-2 { display: none; }
}

@media (max-width: 480px) {
  .hero-name { letter-spacing: -1px; }
  .gallery-grid { columns: 1; }
  .about-counters { grid-template-columns: 1fr; gap: 10px; }
  .hero-badge-1 { display: none; }
  .projects-filter { gap: 6px; }
}

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