/* ============================================================
   POLAR LOOP — Landing Page Styles
   ============================================================ */

:root {
  --bg:           #000000;
  --text-heading: #ffffff;
  --text-body:    #cccccc;
  --text-label:   #00c5ff;
  --accent:       #00c5ff;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --side-pad:     5vw;
}

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

html {
  background: var(--bg);
  scroll-behavior: auto;
}

body {
  background: #000000;
  color: var(--text-heading);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Grain overlay — topmost decorative layer */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  background-size: 300px 300px;
  opacity: 0.04;
  pointer-events: none;
  z-index: 9998;
}

/* ── Loader ── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #000000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.9s ease, visibility 0.9s ease;
}

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

.loader-brand {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: 0.35em;
  color: var(--text-heading);
}

#loader-bar-track {
  width: min(320px, 60vw);
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

#loader-bar {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.08s linear;
  box-shadow: 0 0 12px var(--accent);
}

#loader-percent {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-label);
}

/* ── Site Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 1.75rem var(--side-pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-header .logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.22em;
  color: #ffffff;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.site-header nav a {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-body);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-header nav a:hover {
  color: #ffffff;
}

.site-header nav a.nav-cta {
  color: var(--accent);
  border: 1px solid rgba(0, 197, 255, 0.35);
  padding: 0.45em 1.2em;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-header nav a.nav-cta:hover {
  background: var(--accent);
  color: #000000;
}

/* ── Hero Standalone (100vh, solid black, above canvas) ── */
.hero-standalone {
  position: relative;
  z-index: 10;
  height: 100vh;
  background: #000000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

/* Polar loop background image — fades to black at all edges */
.hero-bg-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.45;
  /* Radial mask: full opacity in center, fades to transparent at edges */
  -webkit-mask-image: radial-gradient(
    ellipse 70% 65% at 50% 50%,
    black 30%,
    transparent 100%
  );
  mask-image: radial-gradient(
    ellipse 70% 65% at 50% 50%,
    black 30%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 0;
}

/* Ensure hero text sits above the background image */
.hero-standalone .section-label,
.hero-standalone .hero-heading,
.hero-standalone .hero-tagline,
.hero-standalone .scroll-arrow {
  position: relative;
  z-index: 1;
}

/* Thin horizontal rule above label */
.hero-label {
  position: relative;
}

.hero-label::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 0.9em;
  opacity: 0.8;
}

.hero-label::after {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-left: 0.9em;
  opacity: 0.8;
}

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: 1.5rem;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(5rem, 13vw, 15rem);
  line-height: 0.9;
  letter-spacing: 0.04em;
  color: #ffffff;
  display: flex;
  gap: 0.2em;
  /* Words animate separately */
  overflow: visible;
}

.hero-word {
  display: inline-block;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 1.4vw, 1.2rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--text-body);
  margin-top: 2rem;
}

.scroll-arrow {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-label);
}

.scroll-arrow span {
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-arrow svg {
  animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(9px); }
}

/* ── Canvas Wrap (fixed, full viewport) ── */
.canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 2;
  clip-path: circle(0% at 50% 50%);
  will-change: clip-path;
}

canvas#canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── Dark Overlay (fixed, for stats section) ── */
#dark-overlay {
  position: fixed;
  inset: 0;
  z-index: 3;
  background: rgba(0, 0, 0, 0.9);
  opacity: 0;
  pointer-events: none;
}

/* ── Marquee (fixed, scroll-driven) ── */
.marquee-wrap {
  position: fixed;
  top: 50%;
  left: 0;
  width: 100%;
  z-index: 4;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  will-change: opacity;
  transform: translateY(-50%);
}

.marquee-text {
  display: block;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 12vw;
  line-height: 1;
  letter-spacing: 0.03em;
  color: #ffffff;
  opacity: 0.1;
  will-change: transform;
}

/* ── Scroll Container ── */
#scroll-container {
  position: relative;
  height: 900vh;
  z-index: 5;
}

/* ── Scroll Sections (absolute, mid-point positioned by JS) ── */
.scroll-section {
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
  /* children carry initial opacity:0 from GSAP; wrapper is visible */
}

.scroll-section.active {
  pointer-events: auto;
}

/* ── Side-Aligned Content Sections ── */
.section-content {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.align-left {
  padding-left: var(--side-pad);
  padding-right: 55vw;
}

.align-right {
  padding-left: 55vw;
  padding-right: var(--side-pad);
}

.section-inner {
  max-width: 40vw;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 7.5rem);
  line-height: 0.92;
  color: var(--text-heading);
  margin-bottom: 1.75rem;
  letter-spacing: 0.01em;
}

.section-body {
  font-family: var(--font-body);
  font-size: clamp(0.88rem, 1.15vw, 1.05rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-body);
  max-width: 38ch;
}

/* Subtle glow line decorating section labels */
.section-content .section-label {
  display: flex;
  align-items: center;
  gap: 0.75em;
  margin-bottom: 1.2rem;
}

.section-content .section-label::before {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── Stats Section ── */
.section-stats {
  padding: 0 var(--side-pad);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem 2.5rem;
  max-width: 1100px;
  width: 100%;
  text-align: center;
}

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

.stat-row {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.15em;
  line-height: 1;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 7.5vw, 8rem);
  line-height: 1;
  color: #ffffff;
  display: inline-block;
}

.stat-suffix {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--accent);
  padding-bottom: 0.6rem;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-body);
  margin-top: 0.9rem;
}

/* ── CTA Section ── */
.section-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 10vw;
  min-height: 80vh;
  will-change: clip-path;
}

.cta-inner {
  text-align: center;
  max-width: 800px;
}

/* CTA label uses base .section-label styles */
.section-cta .section-label {
  justify-content: center;
  display: flex;
  align-items: center;
  gap: 0.75em;
  margin-bottom: 1.5rem;
}

.section-cta .section-label::before,
.section-cta .section-label::after {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.cta-heading {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 10rem);
  line-height: 0.9;
  color: #ffffff;
  letter-spacing: 0.01em;
  margin-bottom: 2rem;
}

.cta-body {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.3vw, 1.1rem);
  font-weight: 400;
  line-height: 1.75;
  color: var(--text-body);
  max-width: 50ch;
  margin: 0 auto 3rem;
}

.cta-button {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #000000;
  background: var(--accent);
  padding: 1.1em 3.5em;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease;
}

.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #ffffff;
  transform: translateX(-101%);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-button:hover {
  color: #000000;
}

.cta-button:hover::before {
  transform: translateX(0);
}

.cta-button span {
  position: relative;
  z-index: 1;
}

/* Accent glow pulse on CTA button */
.cta-button {
  box-shadow: 0 0 0 rgba(0, 197, 255, 0);
  transition: color 0.3s ease, box-shadow 0.4s ease;
}

.cta-button:hover {
  box-shadow: 0 0 30px rgba(0, 197, 255, 0.3);
}

/* ── Hamburger Button ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 15px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: #ffffff;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

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

/* ── Mobile Nav Overlay ── */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(0, 0, 0, 0.97);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  pointer-events: none;
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 14vw, 5rem);
  letter-spacing: 0.06em;
  color: #ffffff;
  text-decoration: none;
  opacity: 0;
  transform: translateY(24px);
  transition: color 0.2s ease, opacity 0.4s ease, transform 0.4s ease;
}

.mobile-nav.open .mobile-nav-link:nth-child(1) { transition-delay: 0.08s; opacity: 1; transform: translateY(0); }
.mobile-nav.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.mobile-nav.open .mobile-nav-link:nth-child(3) { transition-delay: 0.22s; opacity: 1; transform: translateY(0); }

.mobile-nav-link:hover { color: var(--accent); }

.mobile-nav-link.nav-cta {
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 3.5vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 197, 255, 0.35);
  padding: 0.75em 2.5em;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.4s ease, transform 0.4s ease;
}

.mobile-nav-link.nav-cta:hover {
  background: var(--accent);
  color: #000000;
}

/* ── Credit ── */
.credit {
  margin-top: 3rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
}

/* ── Mobile ── */
@media (max-width: 768px) {
  /* Scroll container height matches JS getScrollHeightVH() → 600 */
  #scroll-container {
    height: 600vh;
  }

  /* Show hamburger, hide desktop nav */
  .hamburger {
    display: flex;
  }

  .site-header nav {
    display: none;
  }

  /* Reduce header padding on small screens */
  .site-header {
    padding: 1.25rem var(--side-pad);
  }

  /* Content sections: full width, centred */
  .align-left,
  .align-right {
    padding-left: 5vw;
    padding-right: 5vw;
    display: flex;
    justify-content: center;
  }

  .section-inner {
    max-width: 100%;
    width: 100%;
    background: rgba(0, 0, 0, 0.75);
    padding: 1.75rem;
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  /* Smaller headings on mobile */
  .section-heading {
    font-size: clamp(2.4rem, 10vw, 4rem);
  }

  /* Stats: 2-column grid */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 1.5rem;
  }

  .stat-number {
    font-size: clamp(3rem, 13vw, 6rem);
  }

  /* Hero text */
  .hero-heading {
    flex-direction: column;
    gap: 0;
    font-size: clamp(4.5rem, 22vw, 8rem);
  }

  /* CTA section */
  .section-cta {
    padding: 0 5vw;
    min-height: 70vh;
  }

  .cta-heading {
    font-size: clamp(3rem, 13vw, 6rem);
  }

  /* Marquee */
  .marquee-text {
    font-size: 18vw;
  }

  /* Scroll arrow nudge for smaller screens */
  .scroll-arrow {
    bottom: 1.75rem;
  }
}

/* Extra small screens (≤ 390px) */
@media (max-width: 390px) {
  .section-heading {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .cta-heading {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .section-inner {
    padding: 1.25rem;
  }
}