/* ============================================
   MINH THUẬN PORTFOLIO - Design System
   Cinematic Dark Theme for Cameraman & Editor
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --bg-glass: rgba(22, 22, 31, 0.7);
  --bg-glass-light: rgba(255, 255, 255, 0.03);

  --text-primary: #f0ece4;
  --text-secondary: #9b9aaa;
  --text-muted: #5e5d6e;

  --accent-primary: #e8653a;
  --accent-secondary: #ff8c5a;
  --accent-warm: #f5a623;
  --accent-glow: rgba(232, 101, 58, 0.15);
  --accent-glow-strong: rgba(232, 101, 58, 0.3);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(232, 101, 58, 0.3);

  /* Gradients */
  --gradient-accent: linear-gradient(135deg, #e8653a, #ff8c5a);
  --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #111118 100%);
  --gradient-card: linear-gradient(145deg, rgba(22, 22, 31, 0.8), rgba(16, 16, 24, 0.9));
  --gradient-hero: linear-gradient(135deg, rgba(232, 101, 58, 0.08) 0%, rgba(10, 10, 15, 0) 50%);
  --gradient-text: linear-gradient(135deg, #f0ece4 0%, #e8653a 100%);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --section-padding: clamp(4rem, 8vw, 8rem);
  --container-max: 1200px;
  --container-wide: 1400px;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(232, 101, 58, 0.15);
  --shadow-glow-strong: 0 0 60px rgba(232, 101, 58, 0.25);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out-expo);
  --transition-normal: 0.4s var(--ease-out-expo);
  --transition-slow: 0.7s var(--ease-out-expo);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary) var(--bg-secondary);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { 
  background: var(--accent-primary); 
  border-radius: 3px; 
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.container--wide {
  max-width: var(--container-wide);
}

/* ---- Preloader ---- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2rem;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

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

.preloader__film-strip {
  display: flex;
  gap: 6px;
}

.preloader__frame {
  width: 12px;
  height: 28px;
  background: var(--accent-primary);
  border-radius: 3px;
  animation: filmPulse 1.2s ease-in-out infinite;
}

.preloader__frame:nth-child(2) { animation-delay: 0.1s; }
.preloader__frame:nth-child(3) { animation-delay: 0.2s; }
.preloader__frame:nth-child(4) { animation-delay: 0.3s; }
.preloader__frame:nth-child(5) { animation-delay: 0.4s; }

@keyframes filmPulse {
  0%, 100% { transform: scaleY(0.4); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
}

.preloader__text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ---- Custom Cursor ---- */
.cursor {
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.15s ease, opacity 0.15s ease;
  mix-blend-mode: difference;
}

.cursor.active {
  transform: scale(2.5);
  border-color: var(--accent-secondary);
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition-normal);
}

.nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.8rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 101, 58, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(232, 101, 58, 0); }
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav__link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--gradient-accent);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  box-shadow: var(--shadow-glow);
}

.nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

/* Mobile Menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.nav__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.hero__gradient-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 101, 58, 0.15), transparent 70%);
  top: -200px;
  right: -100px;
}

.hero__gradient-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.08), transparent 70%);
  bottom: -100px;
  left: -100px;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  padding-top: 6rem;
}

.hero__text {
  max-width: 600px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--accent-glow);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-accent);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--ease-out-expo) 0.5s forwards;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 2s infinite;
}

.hero__name {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out-expo) 0.7s forwards;
}

.hero__name span {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 400;
  font-style: italic;
  color: var(--accent-secondary);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out-expo) 0.9s forwards;
}

.hero__description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 480px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out-expo) 1.1s forwards;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out-expo) 1.3s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn--primary {
  color: var(--bg-primary);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-strong);
}

.btn--outline {
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-subtle);
}

.btn--outline:hover {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
}

.btn__icon {
  font-size: 1.1rem;
}

/* Hero Image */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  animation: fadeUp 1s var(--ease-out-expo) 1s forwards;
}

.hero__image-wrapper {
  position: relative;
  width: clamp(300px, 25vw, 420px);
  aspect-ratio: 3/4;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lg);
}

.hero__image-border {
  position: absolute;
  inset: -8px;
  border: 2px solid var(--border-accent);
  border-radius: calc(var(--radius-lg) + 4px);
  z-index: 1;
  opacity: 0.5;
}

.hero__image-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse, rgba(232, 101, 58, 0.12), transparent 70%);
  z-index: 0;
  border-radius: 50%;
}

/* Hero Stats */
.hero__stats {
  position: absolute;
  bottom: -2rem;
  left: -3rem;
  right: -3rem;
  display: flex;
  gap: 1rem;
  z-index: 3;
}

.hero__stat {
  flex: 1;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}

.hero__stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.2rem;
}

/* Scroll Indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 2s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero__scroll-text {
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-lr;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---- Section Shared ---- */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section__header {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section__tag::before,
.section__tag::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-primary);
  opacity: 0.4;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
}

/* ---- About Section ---- */
.about {
  background: var(--gradient-dark);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
}

.about__visual {
  position: relative;
}

.about__film-frame {
  position: relative;
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
}

.about__film-frame::before {
  content: 'REC ●';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #e63946;
  letter-spacing: 2px;
  animation: blink 1.5s ease infinite;
}

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

.about__film-frame::after {
  content: '00:00:00:00';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.about__image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.about__content h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.about__content h3 span {
  color: var(--accent-primary);
}

.about__text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 2rem;
}

.about__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.about__highlight {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.about__highlight:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
}

.about__highlight-icon {
  font-size: 1.3rem;
}

.about__highlight-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---- Skills Section ---- */
.skills {
  background: var(--bg-secondary);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.skill-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1.2rem;
}

.skill-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.skill-card__items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-card__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.skill-card__item::before {
  content: '▸';
  color: var(--accent-primary);
  font-size: 0.8rem;
}

/* ---- Experience Section ---- */
.experience {
  background: var(--bg-primary);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--border-subtle));
}

.timeline__item {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 3rem;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: -6px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(232, 101, 58, 0.2);
  z-index: 1;
}

.timeline__card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  transition: var(--transition-normal);
}

.timeline__card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.timeline__period {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  background: var(--accent-glow);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-accent);
  margin-bottom: 0.8rem;
}

.timeline__company {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.timeline__role {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--accent-secondary);
  margin-bottom: 1rem;
}

.timeline__details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.timeline__detail {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.timeline__detail::before {
  content: '▹';
  color: var(--accent-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

/* ---- Portfolio Section ---- */
.portfolio {
  background: var(--bg-secondary);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio__item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  group: true;
}

.portfolio__item:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}

.portfolio__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out-expo);
}

.portfolio__item:hover .portfolio__image {
  transform: scale(1.08);
}

.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.portfolio__item:hover .portfolio__overlay {
  opacity: 1;
}

.portfolio__category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.portfolio__item-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.portfolio__item-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

/* ---- Education Section ---- */
.education {
  background: var(--bg-primary);
}

.education__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.edu-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.edu-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.edu-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.edu-card:hover::after {
  transform: scaleX(1);
}

.edu-card__year {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.8rem;
}

.edu-card__school {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.edu-card__detail {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Achievements Section ---- */
.achievements {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.achievements__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 101, 58, 0.06), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.achievements__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.achievements__card {
  background: var(--gradient-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-glow);
}

.achievements__icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.achievements__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.achievements__text {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.achievements__links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.achievements__link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.3rem;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.achievements__link:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow);
}

/* ---- Channels Section ---- */
.channels {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.channels::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.channels__categories {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin-bottom: 4rem;
}

.channels__category {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  transition: var(--transition-normal);
}

.channels__category:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.channels__category-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.channels__category-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.channels__category-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.channels__category-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.channels__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.2rem;
}

/* Channel Card */
.channel-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition-normal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  transition: height var(--transition-normal);
}

.channel-card--tiktok::before {
  background: linear-gradient(90deg, #25f4ee, #fe2c55);
}

.channel-card--youtube::before {
  background: linear-gradient(90deg, #ff0000, #ff4444);
}

.channel-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.channel-card:hover::before {
  height: 4px;
}

.channel-card__platform {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  width: fit-content;
}

.channel-card--tiktok .channel-card__platform {
  color: #25f4ee;
  background: rgba(37, 244, 238, 0.08);
  border: 1px solid rgba(37, 244, 238, 0.15);
}

.channel-card--youtube .channel-card__platform {
  color: #ff4444;
  background: rgba(255, 68, 68, 0.08);
  border: 1px solid rgba(255, 68, 68, 0.15);
}

.channel-card__platform-icon {
  font-size: 0.8rem;
}

.channel-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.channel-card__desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex-grow: 1;
}

.channel-card__link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  transition: var(--transition-fast);
  margin-top: 0.3rem;
}

.channel-card:hover .channel-card__link {
  color: var(--accent-secondary);
  letter-spacing: 0.5px;
}

/* Skills & Strategy Layout */
.channels__skills-strategy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.channels__skills,
.channels__strategy {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  transition: var(--transition-normal);
}

.channels__skills:hover,
.channels__strategy:hover {
  border-color: var(--border-accent);
}

.channels__sub-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.channels__sub-icon {
  font-size: 1.1rem;
}

.channels__skill-groups {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.channels__skill-group {
  padding: 1.2rem;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.channels__skill-group:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
}

.channels__skill-group-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.7rem;
  color: var(--text-primary);
}

.channels__skill-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.channels__skill-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.6;
}

.channels__skill-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 1rem;
}

/* Strategy Items */
.channels__strategy-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.channels__strategy-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.channels__strategy-item:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
  transform: translateX(4px);
}

.channels__strategy-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
}

.channels__strategy-item strong {
  font-size: 0.92rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.2rem;
}

.channels__strategy-item p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- Contact Section ---- */
.contact {
  background: var(--bg-primary);
  position: relative;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}

.contact__info {
  padding-top: 1rem;
}

.contact__info h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact__info-text {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.contact__methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact__method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-glass-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.contact__method:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
}

.contact__method-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact__method-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact__method-value {
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: 0.1rem;
}

/* Contact Form */
.contact__form-wrapper {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form__group {
  margin-bottom: 1.5rem;
}

.form__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__submit {
  width: 100%;
  padding: 1rem;
  font-size: 0.95rem;
  cursor: pointer;
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: 0.8rem;
}

.footer__social {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer__social:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ---- Film Strip Decoration ---- */
.film-strip {
  display: flex;
  gap: 4px;
  opacity: 0.1;
  overflow: hidden;
  padding: 1rem 0;
}

.film-strip__hole {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid var(--text-muted);
  flex-shrink: 0;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 8rem;
  }

  .hero__text {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__image-wrapper {
    width: clamp(220px, 40vw, 300px);
  }

  .hero__stats {
    left: 0;
    right: 0;
    bottom: -1.5rem;
  }

  .hero__actions {
    justify-content: center;
  }

  .about__grid {
    grid-template-columns: 1fr;
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }

  .channels__skills-strategy {
    grid-template-columns: 1fr;
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
    aspect-ratio: 16/9;
  }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    gap: 2rem;
    border-left: 1px solid var(--border-subtle);
    transition: right var(--transition-normal);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__hamburger {
    display: flex;
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  .portfolio__item:nth-child(1) {
    grid-column: span 1;
    aspect-ratio: 16/9;
  }

  .about__highlights {
    grid-template-columns: 1fr;
  }

  .channels__category {
    padding: 1.5rem;
  }

  .channels__grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  .channels__skills,
  .channels__strategy {
    padding: 1.5rem;
  }

  .hero__stats {
    flex-direction: column;
  }

  .cursor {
    display: none;
  }
}

@media (max-width: 480px) {
  .skills__grid {
    grid-template-columns: 1fr;
  }

  .education__grid {
    grid-template-columns: 1fr;
  }

  .channels__grid {
    grid-template-columns: 1fr;
  }

  .channels__category-header {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== PORTFOLIO FILTERS ===== */
.portfolio__filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}

.portfolio__filter {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: var(--font-primary);
  transition: all 0.3s ease;
  letter-spacing: 0.03em;
}

.portfolio__filter:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.portfolio__filter--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 600;
}

.portfolio__filter.hidden {
  display: none;
}

/* ===== PORTFOLIO CTA ===== */
.portfolio__cta {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

/* ===== CLIENTS SECTION ===== */
.clients {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(255,140,0,0.03) 50%, var(--bg-primary) 100%);
}

.clients__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.client__badge {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
  padding: 0.65rem 1.5rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  cursor: default;
  white-space: nowrap;
}

.client__badge:hover {
  background: rgba(255, 140, 0, 0.1);
  border-color: rgba(255, 140, 0, 0.4);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ===== PORTFOLIO MASONRY GRID ===== */
.portfolio__grid--masonry {
  grid-template-columns: repeat(3, 1fr);
}

.portfolio__item[data-category] {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio__item.fade-out {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}