/* ============================================================
   FIFO FUNDS — Global Design System
   Dark-Mode FinTech | CSS Grid | Flexbox | 3D Effects
   ============================================================ */

/* ────────────────────────────────────────────
   1. GOOGLE FONTS IMPORT
   ──────────────────────────────────────────── */
@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');

/* ────────────────────────────────────────────
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ──────────────────────────────────────────── */
:root {
  /* --- Brand Colors --- */
  --clr-primary:        #00f5c3;   /* Neon Teal */
  --clr-primary-dark:   #00c49a;
  --clr-primary-glow:   rgba(0, 245, 195, 0.25);
  --clr-secondary:      #7b61ff;   /* Electric Violet */
  --clr-secondary-glow: rgba(123, 97, 255, 0.25);
  --clr-accent:         #ff6b35;   /* Warm Accent */
  --clr-gold:           #f7c948;

  /* --- Gradients --- */
  --grad-primary:   linear-gradient(135deg, #00f5c3 0%, #7b61ff 100%);
  --grad-hero:      linear-gradient(160deg, #0d1117 0%, #0a1628 40%, #0d0d1a 100%);
  --grad-card:      linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  --grad-glow-teal: radial-gradient(ellipse at center, rgba(0,245,195,0.15) 0%, transparent 70%);
  --grad-glow-violet: radial-gradient(ellipse at center, rgba(123,97,255,0.15) 0%, transparent 70%);

  /* --- Background Layers --- */
  --bg-base:        #080b12;
  --bg-surface:     #0d1117;
  --bg-elevated:    #111927;
  --bg-overlay:     rgba(13, 17, 23, 0.85);
  --bg-glass:       rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);

  /* --- Text Colors --- */
  --txt-primary:    #f0f4ff;
  --txt-secondary:  #8b9ab3;
  --txt-muted:      #4a5568;
  --txt-inverse:    #080b12;

  /* --- Borders --- */
  --border-subtle:  rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong:  rgba(255, 255, 255, 0.18);
  --border-primary: rgba(0, 245, 195, 0.4);

  /* --- Spacing Scale --- */
  --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;

  /* --- Typography Scale --- */
  --font-body:  'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', monospace;

  --text-xs:   clamp(0.7rem,  1.5vw, 0.75rem);
  --text-sm:   clamp(0.8rem,  1.8vw, 0.875rem);
  --text-base: clamp(0.9rem,  2vw,   1rem);
  --text-lg:   clamp(1rem,    2.2vw, 1.125rem);
  --text-xl:   clamp(1.1rem,  2.5vw, 1.25rem);
  --text-2xl:  clamp(1.25rem, 3vw,   1.5rem);
  --text-3xl:  clamp(1.5rem,  4vw,   1.875rem);
  --text-4xl:  clamp(1.8rem,  5vw,   2.25rem);
  --text-5xl:  clamp(2.2rem,  6vw,   3rem);
  --text-6xl:  clamp(2.8rem,  8vw,   4rem);
  --text-7xl:  clamp(3.2rem,  10vw,  5rem);

  /* --- Radius --- */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-2xl: 40px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:      0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg:      0 16px 48px rgba(0,0,0,0.5);
  --shadow-xl:      0 24px 64px rgba(0,0,0,0.6);
  --shadow-primary: 0 0 30px rgba(0, 245, 195, 0.3), 0 0 60px rgba(0, 245, 195, 0.1);
  --shadow-secondary: 0 0 30px rgba(123, 97, 255, 0.3), 0 0 60px rgba(123, 97, 255, 0.1);

  /* --- Transitions --- */
  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-bounce:  cubic-bezier(0.68, -0.55, 0.27, 1.55);
  --duration-fast:   150ms;
  --duration-normal: 300ms;
  --duration-slow:   600ms;

  /* --- 3D Perspective --- */
  --perspective-near: 800px;
  --perspective-far:  1200px;
  --rotate-hover: 8deg;

  /* --- Layout --- */
  --container-max: 1280px;
  --container-wide: 1440px;
  --nav-height: 72px;
  --nav-top-offset: 16px;   /* space between browser edge and navbar */
}

/* ────────────────────────────────────────────
   3. CSS RESET & BASE STYLES
   ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.15; font-weight: 700; }

/* ────────────────────────────────────────────
   4. LAYOUT UTILITIES
   ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--wide { max-width: var(--container-wide); }

.section {
  padding-block: var(--space-24);
  position: relative;
}
.section--sm  { padding-block: var(--space-16); }
.section--lg  { padding-block: var(--space-32); }

/* Grid Utilities */
.grid { display: grid; }
.grid-2  { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3  { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4  { grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-6); }

/* Flex Utilities */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-col    { display: flex; flex-direction: column; }
.flex-wrap   { flex-wrap: wrap; }
.gap-2       { gap: var(--space-2); }
.gap-4       { gap: var(--space-4); }
.gap-6       { gap: var(--space-6); }
.gap-8       { gap: var(--space-8); }

/* Alignment */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.mx-auto      { margin-inline: auto; }

/* ────────────────────────────────────────────
   5. TYPOGRAPHY SYSTEM
   ──────────────────────────────────────────── */
.display-1 { font-size: var(--text-7xl); font-weight: 900; letter-spacing: -0.03em; }
.display-2 { font-size: var(--text-6xl); font-weight: 800; letter-spacing: -0.025em; }
.display-3 { font-size: var(--text-5xl); font-weight: 800; letter-spacing: -0.02em; }
.heading-1 { font-size: var(--text-4xl); font-weight: 700; letter-spacing: -0.015em; }
.heading-2 { font-size: var(--text-3xl); font-weight: 700; }
.heading-3 { font-size: var(--text-2xl); font-weight: 600; }
.heading-4 { font-size: var(--text-xl);  font-weight: 600; }
.body-lg   { font-size: var(--text-lg);  line-height: 1.8; }
.body-sm   { font-size: var(--text-sm);  line-height: 1.6; }
.label     { font-size: var(--text-xs);  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.mono      { font-family: var(--font-mono); }

/* Gradient Text */
.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-primary   { color: var(--clr-primary); }
.text-secondary { color: var(--clr-secondary); }
.text-muted     { color: var(--txt-secondary); }

/* ────────────────────────────────────────────
   6. NAVIGATION
   ──────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: var(--nav-top-offset);   /* floats down from browser top and sticks */
  margin-top: -5px;
  left: 0;
  right: 0;
  margin-inline: auto;
  width: calc(100% - 2.5rem);
  max-width: var(--container-max);
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(8, 11, 18, 0.82);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);          /* rounded pill shape */
  box-shadow: 0 4px 32px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.05) inset;
  transition: background var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth),
              box-shadow  var(--duration-normal) var(--ease-smooth);
}

.navbar.scrolled {
  background: rgba(8, 11, 18, 0.96);
  border-color: var(--border-default);
  box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 1px 0 rgba(255,255,255,0.06) inset;
}

.navbar > .container {
  margin-top: 15px;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-8);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--grad-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-primary);
}

.navbar__logo-text { color: var(--txt-primary); }
.navbar__logo-text span { color: var(--clr-primary); }

/* Nav Links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.navbar__link {
  padding: var(--space-2) var(--space-4);
  color: var(--txt-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: color var(--duration-fast) var(--ease-smooth),
              background var(--duration-fast) var(--ease-smooth);
  white-space: nowrap;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--txt-primary);
  background: var(--bg-glass);
}

/* Nav CTA Buttons */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Mobile Toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  border: none;
  background: none;
}

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--txt-primary);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--ease-smooth),
              opacity var(--duration-normal) var(--ease-smooth);
}

/* Mobile Menu */
.navbar__mobile {
  display: none;
  position: fixed;
  top: calc(var(--nav-height) + var(--nav-top-offset) + 8px);
  left: 0;
  right: 0;
  background: rgba(8, 11, 18, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-default);
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  z-index: 999;
}

.navbar__mobile.open { display: flex; }

.navbar__mobile .navbar__link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

/* ────────────────────────────────────────────
   7. BUTTON SYSTEM
   ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

/* Primary Button */
.btn--primary {
  background: var(--grad-primary);
  color: var(--txt-inverse);
  border: none;
  box-shadow: 0 4px 20px rgba(0, 245, 195, 0.3);
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 245, 195, 0.5);
}

.btn--primary:hover::before { opacity: 1; }

/* Secondary / Outline Button */
.btn--outline {
  background: transparent;
  color: var(--txt-primary);
  border-color: var(--border-strong);
}

.btn--outline:hover {
  background: var(--bg-glass);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-2px);
}

/* Ghost Button */
.btn--ghost {
  background: var(--bg-glass);
  color: var(--txt-primary);
  border-color: var(--border-subtle);
}

.btn--ghost:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-default);
}

/* Sizes */
.btn--sm  { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn--lg  { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn--xl  { padding: var(--space-5) var(--space-10); font-size: var(--text-lg); border-radius: var(--radius-xl); }
.btn--full { width: 100%; }

/* ────────────────────────────────────────────
   8. BADGE & TAG COMPONENTS
   ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.badge--primary {
  background: rgba(0, 245, 195, 0.12);
  color: var(--clr-primary);
  border: 1px solid rgba(0, 245, 195, 0.2);
}

.badge--secondary {
  background: rgba(123, 97, 255, 0.12);
  color: var(--clr-secondary);
  border: 1px solid rgba(123, 97, 255, 0.2);
}

.badge--dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

/* ────────────────────────────────────────────
   9. CARD SYSTEM (GLASSMORPHISM + 3D)
   ──────────────────────────────────────────── */
.card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  pointer-events: none;
}

.card:hover {
  border-color: var(--border-primary);
  background: var(--bg-glass-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), var(--shadow-primary);
}

/* 3D Tilt Card */
.card--3d {
  transform-style: preserve-3d;
  perspective: var(--perspective-near);
  cursor: pointer;
}

.card--3d:hover {
  transform: translateY(-8px) rotateX(4deg) rotateY(-4deg);
}

/* Glass Card */
.card--glass {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Glowing Card Variant */
.card--glow-primary { box-shadow: 0 0 0 1px rgba(0,245,195,0.1) inset; }
.card--glow-primary:hover { box-shadow: 0 0 30px rgba(0,245,195,0.2), 0 0 0 1px rgba(0,245,195,0.3) inset; }

.card--glow-secondary { box-shadow: 0 0 0 1px rgba(123,97,255,0.1) inset; }
.card--glow-secondary:hover { box-shadow: 0 0 30px rgba(123,97,255,0.2), 0 0 0 1px rgba(123,97,255,0.3) inset; }

/* Card Icon */
.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-6);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.card:hover .card__icon { transform: scale(1.1) translateZ(20px); }

.card__icon--primary {
  background: rgba(0, 245, 195, 0.1);
  border: 1px solid rgba(0, 245, 195, 0.2);
  box-shadow: 0 0 20px rgba(0, 245, 195, 0.1);
}
.card__icon--secondary {
  background: rgba(123, 97, 255, 0.1);
  border: 1px solid rgba(123, 97, 255, 0.2);
  box-shadow: 0 0 20px rgba(123, 97, 255, 0.1);
}
.card__icon--accent {
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.2);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.1);
}
.card__icon--gold {
  background: rgba(247, 201, 72, 0.1);
  border: 1px solid rgba(247, 201, 72, 0.2);
  box-shadow: 0 0 20px rgba(247, 201, 72, 0.1);
}

/* ────────────────────────────────────────────
   10. SECTION HEADER COMPONENT
   ──────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-header .label {
  color: var(--clr-primary);
  margin-bottom: var(--space-4);
  display: block;
}

.section-header h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--txt-secondary);
  font-size: var(--text-lg);
  line-height: 1.8;
}

/* ────────────────────────────────────────────
   11. TICKER / MARQUEE
   ──────────────────────────────────────────── */
.ticker-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-3) 0;
  overflow: hidden;
  position: relative;
}

.ticker-bar::before,
.ticker-bar::after {
  content: '';
  position: absolute;
  top: 0;
  width: 80px;
  height: 100%;
  z-index: 2;
}

.ticker-bar::before { left: 0; background: linear-gradient(to right, var(--bg-surface), transparent); }
.ticker-bar::after  { right: 0; background: linear-gradient(to left, var(--bg-surface), transparent); }

.ticker-track {
  display: flex;
  gap: var(--space-8);
  animation: ticker 30s linear infinite;
  width: max-content;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.ticker-item__pair { font-weight: 600; color: var(--txt-primary); }
.ticker-item__price { color: var(--txt-secondary); }
.ticker-item__change { font-weight: 600; }
.ticker-item__change--up   { color: #00d68f; }
.ticker-item__change--down { color: #ff4d6a; }

/* ────────────────────────────────────────────
   12. HERO SECTION
   ──────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Background Orbs */
.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: var(--grad-glow-teal);
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: var(--grad-glow-violet);
  border-radius: 50%;
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}

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

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: var(--space-8) var(--space-6);
}

.hero__eyebrow {
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: var(--text-7xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-6);
}

.hero__desc {
  font-size: var(--text-xl);
  color: var(--txt-secondary);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

/* Stats Row */
.hero__stats {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: var(--txt-secondary);
  margin-top: var(--space-1);
}

/* ────────────────────────────────────────────
   13. FEATURE CARD — 3D PERSPECTIVE
   ──────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  perspective: var(--perspective-far);
}

.feature-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth);
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.feature-card:hover {
  transform: perspective(var(--perspective-near)) rotateX(3deg) rotateY(-3deg) translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-primary);
}

.feature-card:hover::after { opacity: 1; }

/* Neon glow line on left side */
.feature-card__glow {
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 2px;
  border-radius: 2px;
  transition: opacity var(--duration-normal);
  opacity: 0.4;
}

.feature-card:hover .feature-card__glow { opacity: 1; }

.feature-card__glow--primary { background: var(--clr-primary); box-shadow: 0 0 10px var(--clr-primary); }
.feature-card__glow--secondary { background: var(--clr-secondary); box-shadow: 0 0 10px var(--clr-secondary); }
.feature-card__glow--accent { background: var(--clr-accent); box-shadow: 0 0 10px var(--clr-accent); }

.feature-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--txt-primary);
}

.feature-card__desc {
  color: var(--txt-secondary);
  font-size: var(--text-sm);
  line-height: 1.8;
}

/* ────────────────────────────────────────────
   14. STATS / METRICS ROW
   ──────────────────────────────────────────── */
.stats-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: var(--space-10) var(--space-8);
  text-align: center;
  border-right: 1px solid var(--border-subtle);
  position: relative;
}

.stat-item:last-child { border-right: none; }

.stat-item__value {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-item__label {
  font-size: var(--text-sm);
  color: var(--txt-secondary);
}

/* ────────────────────────────────────────────
   15. FORM ELEMENTS
   ──────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--txt-secondary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--txt-primary);
  font-size: var(--text-base);
  transition: border-color var(--duration-fast) var(--ease-smooth),
              box-shadow var(--duration-fast) var(--ease-smooth),
              background var(--duration-fast);
  outline: none;
  appearance: none;
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
  background: rgba(255, 255, 255, 0.06);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Input with icon */
.form-input-wrap {
  position: relative;
}

.form-input-wrap .form-input {
  padding-left: var(--space-12);
}

.form-input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--txt-muted);
  pointer-events: none;
  font-size: 1rem;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--clr-primary);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Divider */
.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-block: var(--space-6);
  color: var(--txt-muted);
  font-size: var(--text-xs);
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

/* ────────────────────────────────────────────
   16. AUTH CARD
   ──────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-24) var(--space-6);
  position: relative;
  overflow: hidden;
}

.auth-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: var(--grad-glow-teal);
  pointer-events: none;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-10);
  position: relative;
  z-index: 1;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
}

.auth-card__logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.auth-card__subtitle {
  text-align: center;
  color: var(--txt-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
}

.auth-card__footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--txt-secondary);
}

.auth-card__footer a {
  color: var(--clr-primary);
  font-weight: 600;
  transition: color var(--duration-fast);
}

.auth-card__footer a:hover { color: var(--clr-primary-dark); text-decoration: underline; }

/* ────────────────────────────────────────────
   17. FAQ ACCORDION
   ──────────────────────────────────────────── */
.accordion {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.accordion-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-fast);
}

.accordion-item.open {
  border-color: var(--border-primary);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-8);
  background: none;
  border: none;
  color: var(--txt-primary);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--duration-fast);
}

.accordion-trigger:hover { color: var(--clr-primary); }

.accordion-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--txt-secondary);
  transition: transform var(--duration-normal) var(--ease-smooth),
              background var(--duration-fast),
              color var(--duration-fast);
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
  background: rgba(0, 245, 195, 0.1);
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

.accordion-body {
  display: none;
  padding: 0 var(--space-8) var(--space-6);
  color: var(--txt-secondary);
  font-size: var(--text-sm);
  line-height: 1.9;
}

.accordion-item.open .accordion-body { display: block; }

/* ────────────────────────────────────────────
   18. CONTACT GLASS FORM
   ──────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-info {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  transition: all var(--duration-fast);
}

.contact-detail:hover {
  border-color: var(--border-primary);
  background: var(--bg-glass-hover);
}

.contact-detail__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 245, 195, 0.1);
  border: 1px solid rgba(0, 245, 195, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-detail__label {
  font-size: var(--text-xs);
  color: var(--txt-muted);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-detail__value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--txt-primary);
}

.contact-form-card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}

/* ────────────────────────────────────────────
   19. FOOTER
   ──────────────────────────────────────────── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-20) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer__brand-desc {
  color: var(--txt-secondary);
  font-size: var(--text-sm);
  line-height: 1.9;
  margin-top: var(--space-4);
  max-width: 300px;
}

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--txt-primary);
  margin-bottom: var(--space-5);
  letter-spacing: 0.02em;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--txt-secondary);
  transition: color var(--duration-fast);
}

.footer__link:hover { color: var(--clr-primary); }

.footer__bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--txt-muted);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--txt-secondary);
  transition: all var(--duration-fast);
}

.footer__social-link:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(0, 245, 195, 0.08);
}

/* ────────────────────────────────────────────
   20. DECORATIVE ELEMENTS
   ──────────────────────────────────────────── */

/* Grid Pattern Overlay */
.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* Neon Border Glow */
.neon-border {
  position: relative;
}

.neon-border::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--grad-primary);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-normal);
  filter: blur(8px);
}

.neon-border:hover::after { opacity: 0.5; }

/* Shimmer animation */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer {
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.08) 50%,
    transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
}

/* Number counter pulse */
@keyframes countPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* ────────────────────────────────────────────
   21. PAGE HEADER (inner pages)
   ──────────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-20);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at top, rgba(0,245,195,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero__title {
  font-size: var(--text-5xl);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.page-hero__sub {
  color: var(--txt-secondary);
  font-size: var(--text-lg);
  max-width: 560px;
  margin-inline: auto;
}

/* ────────────────────────────────────────────
   22. SERVICES CARDS
   ──────────────────────────────────────────── */
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.service-card:hover { transform: translateY(-6px); border-color: var(--border-primary); }
.service-card:hover::before { transform: scaleX(1); }

.service-card__number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--clr-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
  opacity: 0.6;
}

.service-card__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.service-card__desc {
  color: var(--txt-secondary);
  font-size: var(--text-sm);
  line-height: 1.9;
  margin-bottom: var(--space-6);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--txt-secondary);
}

.service-card__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-primary);
  flex-shrink: 0;
}

/* ────────────────────────────────────────────
   23. ABOUT PAGE
   ──────────────────────────────────────────── */
.team-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-smooth);
}

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

.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin-inline: auto;
  margin-bottom: var(--space-5);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--txt-inverse);
}

.team-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-size: var(--text-xs);
  color: var(--clr-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ────────────────────────────────────────────
   24. UTILITY CLASSES
   ──────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.hidden   { display: none !important; }
.relative { position: relative; }
.absolute { position: absolute; }
.z-1      { z-index: 1; }
.z-10     { z-index: 10; }
.overflow-hidden { overflow: hidden; }

.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

.w-full { width: 100%; }
.max-w-sm  { max-width: 480px; }
.max-w-md  { max-width: 640px; }
.max-w-lg  { max-width: 800px; }
.max-w-xl  { max-width: 960px; }

/* ────────────────────────────────────────────
   25. RESPONSIVE BREAKPOINTS
   ──────────────────────────────────────────── */

/* ─── Tablet (≤1024px) ─── */
@media (max-width: 1024px) {
  :root { --nav-height: 64px; }

  .navbar__links  { display: none; }
  .navbar__toggle { display: flex; }

  .grid-4  { grid-template-columns: repeat(2, 1fr); }
  .grid-3  { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .stat-item:nth-child(odd) { border-right: 1px solid var(--border-subtle); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-10); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { position: static; }
}

/* ─── Mobile (≤768px) ─── */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
    --space-24: 4rem;
    --space-20: 3.5rem;
  }

  .container { padding-inline: var(--space-5); }

  .section       { padding-block: var(--space-16); }
  .section--lg   { padding-block: var(--space-20); }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .feature-grid  { grid-template-columns: 1fr; }

  .hero__title { font-size: clamp(2.2rem, 10vw, 3.5rem); }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__stats   { gap: var(--space-6); }

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

  .footer__grid    { grid-template-columns: 1fr; }
  .footer__bottom  { flex-direction: column; text-align: center; }

  .auth-card { padding: var(--space-8) var(--space-6); }
  .contact-form-card { padding: var(--space-6); }

  .section-header h2 { font-size: var(--text-3xl); }
  .page-hero__title  { font-size: var(--text-4xl); }

  .navbar__actions .btn--outline { display: none; }
}

/* ─── Small Mobile (≤480px) ─── */
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none !important; }
  .hero__stat { flex: 0 0 45%; }
}

/* ────────────────────────────────────────────
   26. SCROLL & ENTRANCE ANIMATIONS
   ──────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

.animate-fade-up    { animation: fadeInUp 0.6s var(--ease-smooth) both; }
.animate-fade-in    { animation: fadeIn   0.6s var(--ease-smooth) both; }
.animate-slide-left { animation: slideInLeft 0.6s var(--ease-smooth) both; }

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

/* ────────────────────────────────────────────
   27. SCROLLBAR STYLING
   ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

/* ────────────────────────────────────────────
   28. STARFIELD CANVAS (global background)
   ──────────────────────────────────────────── */
#starfield-canvas {
  position: fixed !important;
  top: 0; left: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: 0 !important;
  pointer-events: none !important;
}

/* Ensure all page content sits above starfield */
body > *:not(#starfield-canvas) {
  position: relative;
  z-index: 1;
}