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

/*==================== DESIGN SYSTEM ====================*/
:root {
  --header-height: 3.5rem;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;

  /* Portfolio/Personal Palette — Skill Repo Row #11 */
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --primary-dark: #1D4ED8;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --primary-glow-strong: rgba(37, 99, 235, 0.3);

  /* Surface Colors */
  --bg: #FAFAFA;
  --bg-alt: #F4F4F5;
  --surface: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --surface-glass: rgba(255, 255, 255, 0.6);
  --surface-glass-border: rgba(255, 255, 255, 0.5);

  /* Text Colors */
  --text-primary: #09090B;
  --text-secondary: #3F3F46;
  --text-muted: #71717A;
  --text-light: #A1A1AA;
  --text-inverse: #FAFAFA;

  /* Border & Muted */
  --border: #E4E4E7;
  --border-light: #F4F4F5;
  --muted: #F4F4F5;
  --muted-foreground: #71717A;

  /* Semantic */
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2563EB, #7C3AED);
  --gradient-hero: linear-gradient(160deg, #09090B 0%, #18181B 40%, #1E293B 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  --gradient-mesh: radial-gradient(at 40% 20%, hsla(228, 80%, 55%, 0.08) 0px, transparent 50%),
                    radial-gradient(at 80% 0%, hsla(260, 60%, 50%, 0.06) 0px, transparent 50%),
                    radial-gradient(at 0% 50%, hsla(220, 80%, 60%, 0.05) 0px, transparent 50%);

  /* Shadows — Skill: Soft shadows, subtle depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-hero: clamp(2.5rem, 6vw, 4.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions — Skill: 200-300ms for micro-interactions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-overlay: 30;
  --z-modal: 40;
  --z-toast: 50;
  --z-loader: 100;
}

/* Dark theme */
body.dark-theme {
  --bg: #09090B;
  --bg-alt: #18181B;
  --surface: #1C1C1F;
  --surface-elevated: #27272A;
  --surface-glass: rgba(28, 28, 31, 0.7);
  --surface-glass-border: rgba(255, 255, 255, 0.08);
  --text-primary: #FAFAFA;
  --text-secondary: #D4D4D8;
  --text-muted: #A1A1AA;
  --text-light: #71717A;
  --text-inverse: #09090B;
  --border: #27272A;
  --border-light: #1C1C1F;
  --muted: #27272A;
  --muted-foreground: #A1A1AA;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
  --gradient-mesh: radial-gradient(at 40% 20%, hsla(228, 80%, 55%, 0.05) 0px, transparent 50%),
                    radial-gradient(at 80% 0%, hsla(260, 60%, 50%, 0.04) 0px, transparent 50%);
}

/* ==================== NOISE TEXTURE OVERLAY ====================*/
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  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='0.9' 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: 180px 180px;
}

/* ==================== ANIMATED GRADIENT PROPERTY ====================*/
@property --gradient-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

/* Theme toggle */
.nav__btns { display: flex; align-items: center; }
.change-theme {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-right: var(--space-4);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}
.change-theme:hover { color: var(--primary); background: var(--primary-glow); }

/*==================== BASE ====================*/
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1, h2 { font-family: var(--font-serif); }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

/*==================== LAYOUT ====================*/
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.section {
  padding: var(--space-24) 0;
  position: relative;
}
.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--primary-glow);
  border-radius: var(--radius-full);
}
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  line-height: 1.1;
}
.section__subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}
.section__header {
  margin-bottom: var(--space-12);
}
.section__header.center { text-align: center; }
.section__header.center .section__subtitle { margin: 0 auto; }

/*==================== HEADER ====================*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  transition: all var(--duration-base) var(--ease-out);
}
.header.scrolled {
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.nav__logo span { color: var(--primary); }
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}
.nav__link:hover { color: var(--text-primary); background: var(--muted); }
.nav__link.active { color: var(--primary); }
.nav__actions { display: flex; align-items: center; gap: var(--space-2); }
.nav__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-inverse);
  background: var(--primary);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
}
.nav__cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-glow); }
.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-primary);
  border-radius: var(--radius-md);
}
.nav__toggle:hover { background: var(--muted); }
.nav__close {
  display: none;
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-primary);
  border-radius: var(--radius-full);
  background: var(--muted);
}

/* Mobile nav */
@media (max-width: 767px) {
  .nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2);
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-out);
    z-index: var(--z-overlay);
  }
  .nav__menu.open { transform: translateX(0); }
  .nav__link { font-size: var(--text-xl); padding: var(--space-4); }
  .nav__close { display: flex; }
  .nav__toggle { display: flex; }
  .nav__cta { display: none; }
}

/*==================== HERO ====================*/
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__mesh {
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 0.8;
}
.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: heroGlow 8s ease-in-out infinite;
}
.hero__glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  top: 20%;
  right: 10%;
  animation: heroGlow 12s ease-in-out infinite reverse;
}
@keyframes heroGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}
.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.hero__text { color: var(--text-inverse); }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  padding: var(--space-2) var(--space-4);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.hero__title {
  font-size: var(--text-hero);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text-inverse);
  margin-bottom: var(--space-6);
}
.hero__title-accent {
  background: linear-gradient(
    var(--gradient-angle, 135deg),
    #2563EB,
    #7C3AED,
    #EC4899,
    #2563EB
  );
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero__description {
  font-size: var(--text-lg);
  color: rgba(250, 250, 250, 0.6);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 480px;
}
.hero__cta-group {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__image-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
}
.hero__image-blob {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: var(--gradient-primary);
  filter: blur(40px);
  opacity: 0.3;
  animation: floatBlob 6s ease-in-out infinite;
}
@keyframes floatBlob {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}
.hero__image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  border: 3px solid rgba(255, 255, 255, 0.1);
}
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(250, 250, 250, 0.4);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  z-index: 2;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(250,250,250,0.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/*==================== BUTTONS ====================*/
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: var(--text-inverse);
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.3);
}
.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}
.btn--ghost {
  background: transparent;
  color: var(--text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn--outline:hover {
  background: var(--primary-glow);
  border-color: var(--primary);
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}
.btn__icon {
  transition: transform var(--duration-base) var(--ease-out);
}
.btn:hover .btn__icon { transform: translateX(3px); }

/*==================== QUICK HIGHLIGHTS ====================*/
.highlights {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--border);
}
.highlights__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}
.highlight-card {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--duration-base) var(--ease-out);
}
.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.highlight-card__number {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.highlight-card__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 500;
}

/*==================== ABOUT ====================*/
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: center;
}
.about__image-wrapper {
  position: relative;
}
.about__image {
  width: 100%;
  border-radius: var(--radius-2xl);
  object-fit: cover;
  aspect-ratio: 4/5;
}
.about__image-decoration {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary);
  border-radius: var(--radius-2xl);
  opacity: 0.2;
  z-index: -1;
}
.about__text {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}
.about__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.about__value {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}
.about__value-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

/*==================== EXPERTISE ====================*/
.expertise__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.expertise-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--duration-base) var(--ease-out);
  transform-origin: left;
}
.expertise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.expertise-card:hover::before { transform: scaleX(1); }
.expertise-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
  margin-bottom: var(--space-5);
}
.expertise-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.expertise-card__description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/*==================== SKILLS ECOSYSTEM ====================*/
.skills__filters {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.skills__filter {
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  background: var(--muted);
  border: 1px solid transparent;
  transition: all var(--duration-base) var(--ease-out);
}
.skills__filter:hover { color: var(--text-primary); border-color: var(--border); }
.skills__filter.active {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-4);
}
.skill-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--duration-base) var(--ease-out);
  cursor: default;
}
.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.skill-card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
  color: var(--primary);
}
.skill-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.skill-card__level {
  font-size: var(--text-xs);
  color: var(--text-light);
}

/*==================== TIMELINE ====================*/
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline__item {
  position: relative;
  padding-left: 56px;
  padding-bottom: var(--space-10);
}
.timeline__dot {
  position: absolute;
  left: 12px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--primary);
  z-index: 1;
  transition: all var(--duration-base) var(--ease-out);
}
.timeline__item:hover .timeline__dot {
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}
.timeline__date {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}
.timeline__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.timeline__company {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.timeline__description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/*==================== PROJECTS ====================*/
.projects__grid {
  display: grid;
  gap: var(--space-8);
}
.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--duration-base) var(--ease-out);
}
.project-card:hover {
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}
.project-card:nth-child(even) { direction: rtl; }
.project-card:nth-child(even) > * { direction: ltr; }
.project-card__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/10;
}
.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.project-card:hover .project-card__image img { transform: scale(1.05); }
.project-card__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary);
  padding: var(--space-1) var(--space-3);
  background: var(--primary-glow);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}
.project-card__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.project-card__description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.project-card__tech span {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  background: var(--muted);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

/*==================== CASE STUDY MODAL ====================*/
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-base) var(--ease-out);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal {
  background: var(--surface);
  border-radius: var(--radius-2xl);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-10);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--duration-slow) var(--ease-spring);
  position: relative;
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--duration-fast);
}
.modal__close:hover { background: var(--error); color: white; }
.modal__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary);
  padding: var(--space-1) var(--space-3);
  background: var(--primary-glow);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.modal__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-6);
}
.modal__section { margin-bottom: var(--space-6); }
.modal__section-title {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: var(--space-3);
}
.modal__section p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

/*==================== PROCESS ====================*/
.process__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.process-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  transition: all var(--duration-base) var(--ease-out);
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.process-card__step {
  font-size: var(--text-5xl);
  font-weight: 900;
  color: var(--primary-glow);
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}
.process-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.process-card__description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/*==================== DIFFERENTIATOR ====================*/
.differentiator__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.differentiator-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--duration-base) var(--ease-out);
}
.differentiator-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.differentiator-card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
  color: var(--primary);
}
.differentiator-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.differentiator-card__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/*==================== SERVICES ====================*/
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--duration-base) var(--ease-out);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-card:hover::after { transform: scaleX(1); }
.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: var(--space-5);
}
.service-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.service-card__description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}
.service-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.service-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.service-card__feature i {
  color: var(--success);
  font-size: var(--text-sm);
}

/*==================== TESTIMONIALS ====================*/
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.testimonial-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--duration-base) var(--ease-out);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: #FBBF24;
}
.testimonial-card__text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  font-style: italic;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--primary);
}
.testimonial-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
}
.testimonial-card__role {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/*==================== FAQ ====================*/
.faq {
  background: var(--bg-alt);
}
.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
}
.faq__item:hover { border-color: var(--primary); }
.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
}
.faq__question i {
  transition: transform var(--duration-base) var(--ease-out);
  color: var(--text-muted);
}
.faq__item.open .faq__question i { transform: rotate(180deg); color: var(--primary); }
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}
.faq__item.open .faq__answer {
  max-height: 500px;
}
.faq__answer-content {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/*==================== STATUS ====================*/
.status {
  background: var(--gradient-hero);
  color: var(--text-inverse);
}
.status__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.status-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}
.status-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: var(--space-3);
}
.status-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.status-card__description {
  font-size: var(--text-sm);
  color: rgba(250, 250, 250, 0.6);
  line-height: 1.6;
}

/*==================== CONTACT ====================*/
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
}
.contact__info { display: flex; flex-direction: column; gap: var(--space-6); }
.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--duration-base) var(--ease-out);
}
.contact__item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.contact__item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact__item-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}
.contact__item-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.contact__socials {
  display: flex;
  gap: var(--space-3);
}
.contact__social {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: all var(--duration-base) var(--ease-out);
}
.contact__social:hover {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
/*==================== FORM FLOATING LABELS ====================*/
.form__group {
  position: relative;
  margin-bottom: var(--space-4);
}
.form__label {
  position: absolute;
  top: 50%;
  left: var(--space-4);
  transform: translateY(-50%);
  font-size: var(--text-sm);
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.25s var(--ease-out);
  background: transparent;
  padding: 0 var(--space-1);
  z-index: 1;
}
.form__group.focused .form__label {
  top: -0.5rem;
  left: var(--space-3);
  font-size: var(--text-xs);
  color: var(--primary);
  background: var(--surface);
}
.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  font-family: var(--font);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form__input:focus,
.form__textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.form__textarea { min-height: 120px; resize: vertical; }
.form__submit {
  width: 100%;
  padding: var(--space-4);
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
}
.form__submit:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-glow); }

/*==================== FOOTER ====================*/
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
.footer__brand-name {
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}
.footer__brand-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}
.footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}
.footer__link {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: var(--space-1) 0;
  transition: color var(--duration-fast);
}
.footer__link:hover { color: var(--primary); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--text-light);
}
.footer__bottom-links {
  display: flex;
  gap: var(--space-4);
}

/*==================== SCROLL PROGRESS ====================*/
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: var(--z-toast);
  transition: width 0.1s linear;
}

/*==================== SCROLL UP ====================*/
.scrollup {
  position: fixed;
  right: var(--space-5);
  bottom: -20%;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  z-index: var(--z-dropdown);
  transition: all var(--duration-base) var(--ease-out);
  box-shadow: var(--shadow-glow);
  cursor: pointer;
}
.scrollup:hover { transform: translateY(-3px); background: var(--primary-dark); }
.scrollup.show { bottom: var(--space-6); }

/*==================== LOADING SCREEN ====================*/
.loader {
  position: fixed;
  inset: 0;
  background: #09090B;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loader);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__content { text-align: center; }
.loader__logo {
  font-size: var(--text-4xl);
  font-weight: 900;
  color: white;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}
.loader__logo span { color: var(--primary); }
.loader__bar {
  width: 160px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin: 0 auto var(--space-3);
  overflow: hidden;
}
.loader__progress {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: 10px;
  transition: width 0.3s ease;
}
.loader__text {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  font-weight: 500;
}

/*==================== REVEAL ANIMATIONS ====================*/
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s var(--ease-out);
}
.reveal.revealed {
  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 from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.7s var(--ease-out);
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal from right */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.7s var(--ease-out);
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal with scale */
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.7s var(--ease-out);
}
.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Word-by-word reveal */
.word-reveal {
  display: inline-block;
  overflow: hidden;
}
.word-reveal .word {
  display: inline-block;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.6s var(--ease-out);
}
.word-reveal.revealed .word {
  clip-path: inset(0 0% 0 0);
}

/*==================== SECTION NUMBER INDICATORS ====================*/
.section-number {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  font-family: var(--font-serif);
  font-size: clamp(5rem, 12vw, 10rem);
  font-weight: 900;
  color: var(--text-primary);
  opacity: 0.03;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/*==================== MARQUEE BAND ====================*/
.marquee-band {
  overflow: hidden;
  padding: var(--space-5) 0;
  background: var(--primary);
  position: relative;
}
.marquee-band__inner {
  display: flex;
  width: max-content;
  animation: marqueeScroll 25s linear infinite;
}
.marquee-band__item {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: 0 var(--space-8);
  white-space: nowrap;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-inverse);
  letter-spacing: 0.02em;
}
.marquee-band__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
}
.marquee-band:hover .marquee-band__inner {
  animation-play-state: paused;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/*==================== CARD HOVER GLOW ====================*/
.highlight-card,
.project-card,
.testimonial-card {
  --glow-x: 50%;
  --glow-y: 50%;
}
.highlight-card::after,
.project-card::after,
.testimonial-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--glow-x) var(--glow-y), var(--primary-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}
.highlight-card:hover::after,
.project-card:hover::after,
.testimonial-card:hover::after {
  opacity: 1;
}
.highlight-card,
.project-card,
.testimonial-card {
  position: relative;
  overflow: hidden;
}

/*==================== NAV LINK HOVER UNDERLINE ====================*/
.nav__link {
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transition: width 0.3s var(--ease-out);
}
.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/*==================== AMBIENT GLOW MOTION ====================*/
@keyframes glowDrift1 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  33% { transform: translate(-40%, -60%) scale(1.05); }
  66% { transform: translate(-60%, -40%) scale(0.95); }
}
@keyframes glowDrift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -15px) scale(1.1); }
}
.hero__glow {
  animation: glowDrift1 12s ease-in-out infinite;
}
.hero__glow-2 {
  animation: glowDrift2 10s ease-in-out infinite;
}

/*==================== ANIMATED GRADIENT BORDER CARDS ====================*/
.gradient-border-card {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-xl);
  z-index: 1;
  overflow: hidden;
}
.gradient-border-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: conic-gradient(
    from var(--gradient-angle, 0deg),
    #2563EB,
    #7C3AED,
    #EC4899,
    #2563EB
  );
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.gradient-border-card:hover::before {
  opacity: 1;
  animation: rotateBorder 3s linear infinite;
}
@keyframes rotateBorder {
  to { --gradient-angle: 360deg; }
}

/*==================== ENHANCED NAV UNDERLINE ====================*/
.nav__link {
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

/*==================== 3D CARD TILT ====================*/
.tilt-card {
  transform-style: preserve-3d;
  will-change: transform;
}

/*==================== QUOTE ICON ====================*/
.testimonial-card {
  position: relative;
}
.testimonial-card__quote {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-family: var(--font-serif);
  font-size: 4rem;
  line-height: 1;
  color: var(--primary);
  opacity: 0.1;
  transform: scale(0);
  transition: transform 0.5s var(--ease-spring);
  pointer-events: none;
}
.testimonial-card.revealed .testimonial-card__quote {
  transform: scale(1);
}

/*==================== PROJECT CARD HOVER OVERLAY ====================*/
.project-card__image {
  position: relative;
  overflow: hidden;
}
.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.project-card:hover .project-card__overlay {
  opacity: 1;
}
.project-card__overlay-text {
  color: white;
  font-size: var(--text-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transform: translateY(10px);
  transition: transform 0.4s var(--ease-out);
}
.project-card:hover .project-card__overlay-text {
  transform: translateY(0);
}

/*==================== TIMELINE PROGRESS LINE ====================*/
.timeline__line-progress {
  position: absolute;
  left: 20px;
  top: 0;
  width: 2px;
  height: 0%;
  background: var(--gradient-primary);
  z-index: 0;
  transition: height 0.4s var(--ease-out);
}

/*==================== PROCESS CONNECTOR ====================*/
.process-card {
  position: relative;
}
.process-card::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1.5rem;
  width: 1.5rem;
  height: 2px;
  background: var(--border);
}
.process-card:last-child::after {
  display: none;
}

/*==================== COUNTER SUFFIX ====================*/
.counter-suffix {
  font-size: 0.6em;
  font-weight: 600;
  opacity: 0.7;
}

/*==================== PARTICLES CANVAS ====================*/
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/*==================== CURSOR GLOW ====================*/
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

/*==================== RESPONSIVE ====================*/
@media (max-width: 1024px) {
  .hero__content { grid-template-columns: 1fr; text-align: center; }
  .hero__description { margin: 0 auto var(--space-8); }
  .hero__cta-group { justify-content: center; }
  .hero__visual { display: none; }
  .about__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .about__image-wrapper { max-width: 400px; margin: 0 auto; }
  .expertise__grid { grid-template-columns: repeat(2, 1fr); }
  .process__grid { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 767px) {
  .section { padding: var(--space-16) 0; }
  .highlights__grid { grid-template-columns: repeat(2, 1fr); }
  .expertise__grid { grid-template-columns: 1fr; }
  .differentiator__grid { grid-template-columns: 1fr; }
  .process__grid { grid-template-columns: 1fr; }
  .process-card::after { display: none; }
  .services__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .status__grid { grid-template-columns: 1fr; }
  .project-card { grid-template-columns: 1fr; }
  .project-card:nth-child(even) { direction: ltr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: var(--space-4); text-align: center; }
  .hero { min-height: auto; padding: 120px 0 var(--space-16); }
  .hero__scroll { display: none; }
  .section-number { font-size: clamp(3rem, 10vw, 6rem); top: var(--space-4); right: var(--space-4); }
  .marquee-band__item { font-size: var(--text-base); gap: var(--space-6); padding: 0 var(--space-6); }
}

@media (max-width: 480px) {
  .highlights__grid { grid-template-columns: 1fr; }
  .hero__cta-group { flex-direction: column; align-items: center; }
}

/*==================== CINEMATIC: TILT CARD SPOTLIGHT ====================*/
.tilt-card {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out, border-color 0.3s;
  will-change: transform;
}
.tilt-card .spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: inherit;
  z-index: 0;
}
.tilt-card:hover .spotlight { opacity: 1; }

/*==================== CINEMATIC: TEXT SCRAMBLE ====================*/
.scramble-resolved {
  color: var(--primary);
  transition: color 0.1s;
}
.scramble-random {
  color: var(--text-muted);
}

/*==================== CINEMATIC: PARTICLE BURST ====================*/
.particle-burst {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
}

/*==================== CINEMATIC: SPOTLIGHT BORDER GRID ====================*/
#skillsGrid .skill-card {
  position: relative;
  overflow: hidden;
}
#skillsGrid .skill-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 0;
  background: radial-gradient(circle 180px at var(--mx, 50%) var(--my, 50%), rgba(37, 99, 235, 0.08), transparent);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 0;
}
#skillsGrid .skill-card:hover::before {
  opacity: 1;
}

/*==================== CINEMATIC: GRADIENT STROKE TEXT ====================*/
.hero__title-accent {
  background: linear-gradient(90deg, #2563EB, #3B82F6, #60A5FA, #2563EB);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientText 4s linear infinite;
}
@keyframes gradientText {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/*==================== CINEMATIC: TYPEWRITER CURSOR ====================*/
.hero__typewriter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-lg);
  color: var(--text-muted);
}
.hero__typewriter-label {
  color: var(--text-muted);
}
.hero__typewriter-text {
  color: var(--primary);
  font-weight: 600;
  min-width: 200px;
}
.type-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--primary);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursorBlink 0.6s step-end infinite;
}
@keyframes cursorBlink { 50% { opacity: 0; } }

/*==================== CINEMATIC: FLIP CARDS ====================*/
.flip-card {
  perspective: 800px;
  cursor: pointer;
}
.flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
}
.flip-card:hover .flip-inner,
.flip-card.flipped .flip-inner {
  transform: rotateY(180deg);
}
.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-8);
}
.flip-front {
  background: var(--surface);
  border: 1px solid var(--border);
}
.flip-back {
  background: var(--primary);
  color: white;
  transform: rotateY(180deg);
}
.flip-back h3 { font-size: var(--text-xl); font-weight: 600; margin-bottom: var(--space-2); }
.flip-back p { font-size: var(--text-sm); opacity: 0.85; line-height: 1.5; }

/*==================== CINEMATIC: CURTAIN REVEAL ====================*/
.curtain-section {
  position: relative;
  height: 250vh;
}
.curtain-sticky {
  position: sticky;
  top: 0;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.curtain-left,
.curtain-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: var(--bg);
  z-index: 2;
  display: flex;
  align-items: center;
  transition: transform 0.1s linear;
}
.curtain-left {
  left: 0;
  justify-content: flex-end;
  padding-right: var(--space-8);
  border-right: 1px solid var(--border);
}
.curtain-right {
  right: 0;
  justify-content: flex-start;
  padding-left: var(--space-8);
  border-left: 1px solid var(--border);
}
.curtain-left h2,
.curtain-right h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text-primary);
}
.curtain-content {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
  padding: var(--space-10);
}

/*==================== CINEMATIC: IMAGE TRAIL ====================*/
.image-trail-item {
  position: absolute;
  font-size: 2rem;
  pointer-events: none;
  z-index: 10;
  opacity: 0.6;
  transform: scale(1);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  filter: blur(0px);
}

/*==================== CINEMATIC: SECTION PROGRESS BAR ====================*/
.section-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 10;
  transition: transform 0.1s linear;
}

/*==================== CINEMATIC: SCROLL-LINKED ELEMENTS ====================*/
[data-scroll-scale],
[data-scroll-fade],
[data-scroll-y] {
  will-change: transform, opacity;
}

/*==================== SCROLLBAR ====================*/
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }