/* ===================================================
   ENNIO HERNÁNDEZ — CV LANDING PAGE
   Design System & Styles
   =================================================== */

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

/* ─── CSS Custom Properties (Design Tokens) ─── */
:root {
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50%;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-normal: 400ms var(--ease-out);
  --transition-slow: 600ms var(--ease-out);

  /* Z-index layers */
  --z-bg: -1;
  --z-base: 1;
  --z-above: 10;
  --z-nav: 100;
  --z-modal: 1000;
}

/* ─── Dark Theme (Default) ─── */
[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(22, 22, 35, 0.7);
  --bg-glass: rgba(18, 18, 30, 0.65);

  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-tertiary: #6b6b80;
  --text-accent: #c4b5fd;

  --accent-primary: #8b5cf6;
  --accent-secondary: #6d28d9;
  --accent-tertiary: #a78bfa;
  --accent-glow: rgba(139, 92, 246, 0.25);
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(139, 92, 246, 0.3);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);

  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(139, 92, 246, 0.12) 0%, transparent 60%),
                   radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                   radial-gradient(ellipse at 50% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);

  --noise-opacity: 0.03;
  --particle-color: rgba(139, 92, 246, 0.5);
}

/* ─── Light Theme ─── */
[data-theme="light"] {
  --bg-primary: #fafafe;
  --bg-secondary: #f0f0f8;
  --bg-tertiary: #e8e8f0;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.7);

  --text-primary: #1a1a2e;
  --text-secondary: #4a4a60;
  --text-tertiary: #8888a0;
  --text-accent: #6d28d9;

  --accent-primary: #7c3aed;
  --accent-secondary: #5b21b6;
  --accent-tertiary: #8b5cf6;
  --accent-glow: rgba(124, 58, 237, 0.15);
  --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #6366f1 50%, #3b82f6 100%);

  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-accent: rgba(124, 58, 237, 0.25);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.08);

  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 60%),
                   radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
                   radial-gradient(ellipse at 50% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);

  --noise-opacity: 0.015;
  --particle-color: rgba(124, 58, 237, 0.4);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color 0.5s var(--ease-out), color 0.5s var(--ease-out);
}

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

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-tertiary);
}

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

/* ─── Noise Overlay ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

/* ─── Parallax Canvas ─── */
#parallax-canvas {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-md) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav.scrolled {
  padding: var(--space-sm) var(--space-xl);
  box-shadow: var(--shadow-md);
}

.nav__logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  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__controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Theme & Language Toggle Buttons */
.toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.toggle-btn:hover {
  background: var(--accent-glow);
  border-color: var(--border-accent);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  width: auto;
  padding: 0 var(--space-md);
  letter-spacing: 1px;
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-xs);
}

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

/* ─── Hero Section ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--space-4xl) var(--space-xl);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: var(--z-bg);
}

.hero__content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: var(--z-base);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-tertiary);
  background: var(--accent-glow);
  margin-bottom: var(--space-xl);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero__title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto var(--space-xl);
  font-weight: 400;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out) 1s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow), var(--shadow-glow);
}

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

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

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-tertiary);
  font-size: 0.75rem;
  animation: bounce 2s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ─── Section Base ─── */
.section {
  padding: var(--space-4xl) var(--space-xl);
  position: relative;
}

.section__container {
  max-width: 1100px;
  margin: 0 auto;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: var(--space-md);
}

.section__desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--border-accent), transparent, var(--border-accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

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

/* ─── About Section ─── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about__text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-size: 1.02rem;
}

.about__info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about__info-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.about__info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  font-weight: 600;
}

.about__info-value {
  font-weight: 600;
  color: var(--text-primary);
}

.about__info-value a {
  color: var(--accent-primary);
}

/* ─── Skills Section ─── */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.skill-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
}

.skill-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 1.8rem;
  transition: all var(--transition-normal);
}

.skill-card:hover .skill-card__icon {
  background: var(--accent-gradient);
  transform: scale(1.1) rotate(5deg);
}

.skill-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.skill-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  margin-top: var(--space-md);
}

.skill-tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--accent-glow);
  color: var(--accent-tertiary);
  border: 1px solid var(--border-accent);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background: var(--accent-primary);
  color: white;
}

/* ─── Experience Section ─── */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-glow), transparent);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.6s var(--ease-out);
}

.timeline__item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline__dot {
  position: absolute;
  left: -33px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
  transition: all var(--transition-fast);
}

.timeline__item:hover .timeline__dot {
  transform: scale(1.4);
  box-shadow: 0 0 0 6px var(--accent-glow), var(--shadow-glow);
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-primary);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  letter-spacing: 0.5px;
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.timeline__company {
  font-size: 0.9rem;
  color: var(--accent-tertiary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.timeline__desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

.timeline__desc ul {
  list-style: none;
  margin-top: var(--space-sm);
}

.timeline__desc li {
  padding-left: 1.2em;
  position: relative;
  margin-bottom: var(--space-xs);
}

.timeline__desc li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* ─── Brands Section ─── */
.brands__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
}

.brand-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  min-height: 80px;
  transition: all var(--transition-normal);
}

.brand-card:hover {
  background: var(--accent-glow);
}

/* ─── Brands Section ─── */
.brands__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
}

.brand-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  min-height: 80px;
  transition: all var(--transition-normal);
}

.brand-card:hover {
  background: var(--accent-glow);
}

/* ─── Portfolio Section ─── */
.portfolio__carousel-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.portfolio__grid {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-xs);
  width: 100%;
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.portfolio__grid::-webkit-scrollbar {
  display: none;
}

.portfolio__carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.portfolio__carousel-nav:hover {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 15px var(--accent-glow);
}

.portfolio__carousel-nav.prev {
  left: -20px;
}

.portfolio__carousel-nav.next {
  right: -20px;
}

.portfolio__card {
  position: relative;
  flex: 0 0 calc(33.333% - 16px);
  min-width: 320px;
  max-width: 420px;
  scroll-snap-align: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  cursor: pointer;
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.5s var(--ease-out), border-color var(--transition-fast), box-shadow 0.5s var(--ease-out), opacity 0.4s var(--ease-out), filter 0.4s var(--ease-out);
}

.portfolio__card:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* Depth of field / blur transition on sibling cards */
.portfolio__grid:hover .portfolio__card:not(:hover) {
  opacity: 0.6;
  filter: blur(2px);
  transform: scale(0.98);
}

.portfolio__card-badge-container {
  display: flex;
  justify-content: flex-start;
}

.portfolio__card-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border-radius: 100px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--text-accent);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.portfolio__card:nth-child(2) .portfolio__card-badge {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}

.portfolio__card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  height: 50px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.portfolio__card-img-container {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.portfolio__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.portfolio__card:hover .portfolio__card-img {
  transform: scale(1.04);
}

.portfolio__card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-sm);
}

.portfolio__card-action {
  font-size: 0.8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-accent);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.portfolio__card:hover .portfolio__card-action {
  opacity: 1;
  transform: translateX(0);
}

.portfolio__card-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.portfolio__card:hover .portfolio__card-arrow {
  color: white;
  background: var(--accent-gradient);
  border-color: transparent;
  transform: translateX(3px);
  box-shadow: 0 0 10px var(--accent-glow);
}

@media (max-width: 992px) {
  .portfolio__card {
    flex: 0 0 calc(50% - 12px);
  }
}

@media (max-width: 650px) {
  .portfolio__card {
    flex: 0 0 90%;
    min-width: 280px;
  }
  .portfolio__carousel-nav {
    display: none;
  }
}

/* ─── Lightbox ─── */
.lightbox {
  display: none;
  position: fixed;
  z-index: calc(var(--z-modal) + 10);
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.lightbox__content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 40px rgba(0,0,0,0.8);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.lightbox.active .lightbox__content {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
  cursor: pointer;
  z-index: 2;
}

.lightbox__close:hover,
.lightbox__close:focus {
  color: var(--accent-primary);
  text-decoration: none;
  cursor: pointer;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.lightbox__nav:hover {
  background: var(--accent-primary);
  transform: translateY(-50%) scale(1.1);
}

.lightbox__nav--prev {
  left: 20px;
}

.lightbox__nav--next {
  right: 20px;
}

@media only screen and (max-width: 700px){
  .lightbox__content {
    width: 100%;
  }
  .lightbox__nav {
    display: none;
  }
}

/* ─── Software / Tools ─── */
.software__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.software-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.software-item__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.software-item__name {
  font-weight: 600;
  font-size: 0.95rem;
}

.software-item__category {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ─── Achievements Section ─── */
.achievements__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.achievement-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-lg);
}

.achievement-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.achievement-item__text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ─── Education ─── */
.education__card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-2xl);
}

.education__icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

.education__degree {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.education__school {
  color: var(--accent-primary);
  font-weight: 600;
}

.education__status {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  margin-top: var(--space-xs);
}

/* ─── Contact Section ─── */
.contact {
  background: var(--bg-secondary);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.contact__left h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -1px;
}

.contact__left p {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.contact__link:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
  transform: translateX(4px);
  color: var(--text-primary);
}

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

.contact__link-text {
  font-weight: 600;
  font-size: 0.95rem;
}

.contact__link-sub {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.contact__right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.contact__availability {
  padding: var(--space-2xl);
  text-align: center;
}

.contact__availability-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: 100px;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #22c55e;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

.contact__availability-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}

.contact__availability h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

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

/* ─── Languages ─── */
.languages__grid {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.language-card {
  text-align: center;
  padding: var(--space-xl) var(--space-2xl);
  min-width: 200px;
}

.language-card__flag {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.language-card__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.language-card__level {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 500;
}

/* ─── Footer ─── */
.footer {
  padding: var(--space-xl) var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.footer a {
  color: var(--accent-primary);
}

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

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

.stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger.visible > *:nth-child(7) { transition-delay: 0.35s; }
.stagger.visible > *:nth-child(8) { transition-delay: 0.4s; }

/* ─── Keyframes ─── */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-8px) rotate(1deg); }
  66% { transform: translateY(4px) rotate(-1deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ─── Parallax layers ─── */
.parallax-layer {
  will-change: transform;
}

/* ─── Magnetic button effect ─── */
.magnetic {
  transition: transform 0.3s var(--ease-spring);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    z-index: var(--z-modal);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__link {
    font-size: 1.2rem;
  }

  .nav__hamburger {
    display: flex;
    z-index: calc(var(--z-modal) + 1);
  }

  .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__stats {
    gap: var(--space-lg);
  }

  .hero__stat-number {
    font-size: 1.8rem;
  }

  .section {
    padding: var(--space-3xl) var(--space-md);
  }

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

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

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

@media (max-width: 480px) {
  .hero__stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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

/* ─── Divider with gradient ─── */
.section-divider {
  max-width: 1100px;
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-accent), transparent);
}

/* ─── Cursor glow effect ─── */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
  z-index: var(--z-bg);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}

body:hover .cursor-glow {
  opacity: 1;
}

/* ─── Print ─── */
@media print {
  .nav, .parallax-canvas, .cursor-glow, body::before {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
}