/* ═══════════════════════════════════════════
   VCT Platform — macOS Tahoe Liquid Glass
   Version 9.0 • 2026
   ═══════════════════════════════════════════ */

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

/* ══ LIQUID GLASS TOKENS ══ */
:root {
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
  --radius-glass: 24px;
  --radius-pill: 100px;
  --radius-sm: 16px;
  --radius-xs: 12px;
  --snap-duration: 0.8s;
  --ease-glass: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ══ DARK THEME — Deep Glass ══ */
[data-theme="dark"] {
  --t-bg: #0a0a0f;
  --t-bg2: #0e0e18;
  --t-bg3: #12121e;

  --t-glass: rgba(255, 255, 255, 0.06);
  --t-glass-mid: rgba(255, 255, 255, 0.09);
  --t-glass-thick: rgba(255, 255, 255, 0.12);
  --t-glass-border: rgba(255, 255, 255, 0.12);
  --t-glass-border-hover: rgba(255, 255, 255, 0.22);
  --t-glass-shine: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 50%);

  --t-accent: #4da6ff;
  --t-accent2: #7c83ff;
  --t-accent3: #c177ff;
  --t-gold: #e0b44a;
  --t-gold-light: #f0cc6a;
  --t-cyan: #4edce8;
  --t-pink: #f472b6;
  --t-green: #4ade80;

  --t-text: #f0f2f5;
  --t-text2: rgba(240, 242, 245, 0.6);
  --t-text3: rgba(240, 242, 245, 0.3);

  --t-glow-accent: rgba(77, 166, 255, 0.2);
  --t-glow-gold: rgba(224, 180, 74, 0.15);
  --t-glow-purple: rgba(124, 131, 255, 0.15);

  --t-orb1: radial-gradient(circle, rgba(77,166,255,0.25) 0%, transparent 70%);
  --t-orb2: radial-gradient(circle, rgba(193,119,255,0.2) 0%, transparent 70%);
  --t-orb3: radial-gradient(circle, rgba(224,180,74,0.15) 0%, transparent 70%);

  --t-overlay: rgba(10, 10, 15, 0.7);
  --t-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 1px rgba(255,255,255,0.1);
  --t-shadow-lg: 0 20px 60px rgba(0,0,0,0.6), 0 0 1px rgba(255,255,255,0.1);
}

/* ══ LIGHT THEME — Frosted White ══ */
[data-theme="light"] {
  --t-bg: #f2f4f8;
  --t-bg2: #e8ecf2;
  --t-bg3: #dde2ea;

  --t-glass: rgba(255, 255, 255, 0.55);
  --t-glass-mid: rgba(255, 255, 255, 0.7);
  --t-glass-thick: rgba(255, 255, 255, 0.82);
  --t-glass-border: rgba(0, 0, 0, 0.08);
  --t-glass-border-hover: rgba(0, 0, 0, 0.15);
  --t-glass-shine: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0) 50%);

  --t-accent: #2563eb;
  --t-accent2: #6366f1;
  --t-accent3: #9333ea;
  --t-gold: #b8942e;
  --t-gold-light: #d4b338;
  --t-cyan: #0891b2;
  --t-pink: #db2777;
  --t-green: #16a34a;

  --t-text: #0f172a;
  --t-text2: rgba(15, 23, 42, 0.6);
  --t-text3: rgba(15, 23, 42, 0.35);

  --t-glow-accent: rgba(37, 99, 235, 0.12);
  --t-glow-gold: rgba(184, 148, 46, 0.1);
  --t-glow-purple: rgba(99, 102, 241, 0.1);

  --t-orb1: radial-gradient(circle, rgba(37,99,235,0.1) 0%, transparent 70%);
  --t-orb2: radial-gradient(circle, rgba(147,51,234,0.08) 0%, transparent 70%);
  --t-orb3: radial-gradient(circle, rgba(184,148,46,0.06) 0%, transparent 70%);

  --t-overlay: rgba(242, 244, 248, 0.75);
  --t-shadow: 0 8px 40px rgba(0,0,0,0.08), 0 0 1px rgba(0,0,0,0.1);
  --t-shadow-lg: 0 20px 60px rgba(0,0,0,0.12), 0 0 1px rgba(0,0,0,0.1);
}

/* ═══════════════════════════════════════════
   GLASS MATERIAL SYSTEM
   ═══════════════════════════════════════════ */
.glass {
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-glass);
  box-shadow: var(--t-shadow);
  position: relative;
  overflow: hidden;
}
.glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--t-glass-shine);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
}

.glass-thick {
  background: var(--t-glass-thick);
  -webkit-backdrop-filter: blur(60px) saturate(200%);
  backdrop-filter: blur(60px) saturate(200%);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-glass);
}

.glass-thin {
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-sm);
}

/* ═══════════════════════════════════════════
   LAYOUT — IMMERSIVE PAGE (Full-Page Scroll)
   ═══════════════════════════════════════════ */
html:has(body.imm-page) {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

.imm-page {
  overflow-x: hidden;
  padding-top: 0;
  background: var(--t-bg);
  min-height: 100vh;
  position: relative;
}

/* Gradient mesh background */
.imm-page::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(77,166,255,0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(193,119,255,0.06), transparent),
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(224,180,74,0.04), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ── Scroll Progress Bar ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  z-index: 300;
  background: rgba(255,255,255,0.05);
  overflow: hidden;
}
.scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--t-accent), var(--t-accent3), var(--t-gold));
  transition: width 0.3s var(--ease-glass);
  box-shadow: 0 0 12px var(--t-glow-accent);
  border-radius: 0 2px 2px 0;
}

/* ── Section Counter ── */
.section-counter {
  position: fixed;
  bottom: 40px; right: 32px;
  z-index: 100;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--t-text3);
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.section-counter__current {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.section-counter__sep {
  margin: 0 4px;
  color: var(--t-text3);
}
.section-counter__total {
  font-size: 0.72rem;
  color: var(--t-text3);
}

/* Background orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
  animation: orbFloat 20s ease-in-out infinite alternate;
}
.orb-1 {
  width: 600px; height: 600px;
  background: var(--t-orb1);
  top: -10%; left: -5%;
  animation-duration: 25s;
}
.orb-2 {
  width: 500px; height: 500px;
  background: var(--t-orb2);
  bottom: -10%; right: -5%;
  animation-duration: 30s;
  animation-delay: -5s;
}
.orb-3 {
  width: 400px; height: 400px;
  background: var(--t-orb3);
  top: 40%; left: 50%;
  transform: translateX(-50%);
  animation-duration: 22s;
  animation-delay: -10s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
  100% { transform: translate(10px, -10px) scale(1.02); }
}

.imm-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  padding: 120px 60px 60px;
  z-index: 1;
  scroll-margin-top: 100px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.imm-section::-webkit-scrollbar {
  display: none;
}

.imm-section--full { padding: 0; }

/* ── Section Enter Animations ── */
.imm-section .imm-section__content {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-glass), transform 0.8s var(--ease-glass);
}
.imm-section.section-active .imm-section__content {
  opacity: 1;
  transform: translateY(0);
}

/* Hero section is always visible */
.hero-imm .hero-imm__content {
  opacity: 1;
  transform: none;
}
.hero-imm.section-active .hero-imm__content {
  opacity: 1;
  transform: none;
}

/* ── Parallax depth layers ── */
.imm-section .imm-tag {
  transition: opacity 0.6s ease 0.1s, transform 0.6s ease 0.1s;
}
.imm-section .imm-heading {
  transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}
.imm-section .imm-subtitle {
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}
.imm-section:not(.section-active) .imm-tag,
.imm-section:not(.section-active) .imm-heading,
.imm-section:not(.section-active) .imm-subtitle {
  opacity: 0;
  transform: translateY(20px);
}

.imm-section__bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.imm-section__bg video,
.imm-section__bg img {
  width: 100%; height: 100%; object-fit: cover;
}

.imm-section__overlay {
  position: absolute; inset: 0;
  background: var(--t-overlay);
  z-index: 1;
}

.imm-section__content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  width: 100%;
  margin: auto;
}

/* ═══════════════════════════════════════════
   TOPBAR — Translucent Glass
   ═══════════════════════════════════════════ */
.imm-topbar {
  position: fixed;
  top: 12px; left: 12px; right: 12px;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  height: 60px;
  border-radius: var(--radius-glass);
  background: transparent;
  transition: all 0.5s var(--ease-glass);
}

.imm-topbar.scrolled {
  background: var(--t-glass-thick);
  -webkit-backdrop-filter: blur(60px) saturate(200%);
  backdrop-filter: blur(60px) saturate(200%);
  border: 1px solid var(--t-glass-border);
  box-shadow: var(--t-shadow);
  height: 52px;
}

.imm-topbar__left,
.imm-topbar__right {
  display: flex; align-items: center; gap: 8px; flex: 1;
}

.imm-topbar__right {
  justify-content: flex-end;
}

.imm-topbar__center {
  flex: 0 0 auto;
}

.imm-topbar__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  height: 32px;
}

.imm-topbar__logo img {
  height: 32px !important;
  max-height: 32px !important;
  width: auto !important;
  object-fit: contain;
  filter: drop-shadow(0 1px 6px rgba(99,102,241,.3));
  transition: all 0.3s var(--ease-glass);
}

.imm-hamburger {
  width: 40px; height: 40px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--t-glass-border);
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  cursor: pointer;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px;
  transition: all 0.3s var(--ease-glass);
  padding: 0;
}
.imm-hamburger:hover {
  border-color: var(--t-accent);
  background: var(--t-glass-mid);
  box-shadow: 0 0 20px var(--t-glow-accent);
}

.imm-hamburger__line {
  width: 16px; height: 1.5px;
  background: var(--t-text);
  transition: all 0.4s var(--ease-glass);
  transform-origin: center;
}
.imm-hamburger.open .imm-hamburger__line:nth-child(1) {
  transform: translateY(2.75px) rotate(45deg);
}
.imm-hamburger.open .imm-hamburger__line:nth-child(2) { opacity: 0; }
.imm-hamburger.open .imm-hamburger__line:nth-child(3) {
  transform: translateY(-2.75px) rotate(-45deg);
}

.imm-lang-toggle {
  display: inline-flex;
  align-items: center;
  position: relative;
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 0;
  transition: all 0.35s var(--ease-glass);
}
.imm-lang-toggle:hover {
  border-color: var(--t-glass-border-hover);
  box-shadow: 0 0 20px var(--t-glow-accent);
}

/* Sliding highlight behind active option */
.lang-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  height: calc(100% - 6px);
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent2));
  border-radius: var(--radius-pill);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
  box-shadow: 0 2px 8px var(--t-glow-accent);
}

/* Slider moves right when EN is active */
.imm-lang-toggle.lang-en .lang-slider {
  transform: translateX(100%);
}

.lang-opt {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--t-text3);
  cursor: pointer;
  transition: color 0.3s ease;
  border-radius: var(--radius-pill);
  line-height: 1;
  white-space: nowrap;
}

.lang-opt.active {
  color: #fff;
  font-weight: 700;
}
.lang-opt:not(.active):hover {
  color: var(--t-text);
}

.lang-opt__flag {
  font-size: 0.85rem;
  line-height: 1;
  filter: grayscale(0.3);
  transition: filter 0.3s ease;
}
.lang-opt.active .lang-opt__flag {
  filter: grayscale(0);
}

.lang-opt__code {
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Remove old unused styles */
.lang-sep { display: none; }
.imm-lang-toggle__text { display: none; }


.imm-theme-toggle {
  width: 36px; height: 36px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--t-glass-border);
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s var(--ease-glass);
  color: var(--t-text2);
  padding: 0;
}
.imm-theme-toggle:hover {
  border-color: var(--t-gold);
  box-shadow: 0 0 20px var(--t-glow-gold);
  color: var(--t-gold);
}
.imm-theme-toggle svg {
  transition: all 0.3s ease;
}

/* ═══════════════════════════════════════════
   SIDE NAVIGATION — Glass Pills
   ═══════════════════════════════════════════ */
.side-nav {
  position: fixed; left: 20px; top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex; flex-direction: column;
  gap: 6px; align-items: flex-start;
}

.side-nav__item {
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; padding: 6px 0;
  text-decoration: none;
  transition: all 0.4s var(--ease-glass);
}

.side-nav__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--t-text3);
  background: transparent;
  transition: all 0.4s var(--ease-glass);
  flex-shrink: 0;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.side-nav__label {
  font-family: var(--font-body);
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--t-text3);
  opacity: 0; transform: translateX(-8px);
  transition: all 0.3s ease;
  white-space: nowrap;
  background: var(--t-glass-thick);
  -webkit-backdrop-filter: blur(40px);
  backdrop-filter: blur(40px);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--t-glass-border);
}

.side-nav__item:hover .side-nav__label {
  opacity: 1; transform: translateX(0);
  color: var(--t-text);
}

.side-nav__item.active .side-nav__dot {
  background: var(--t-accent);
  border-color: var(--t-accent);
  box-shadow: 0 0 16px var(--t-glow-accent);
  width: 12px; height: 12px;
}
.side-nav__item.active .side-nav__label {
  opacity: 1; transform: translateX(0);
  color: var(--t-accent);
}

/* ═══════════════════════════════════════════
   OVERLAY MENU — Glass Fullscreen
   ═══════════════════════════════════════════ */
.overlay-menu {
  position: fixed; inset: 0; z-index: 150;
  background: var(--t-bg);
  -webkit-backdrop-filter: blur(40px);
  backdrop-filter: blur(40px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all 0.6s var(--ease-glass);
}
.overlay-menu.open { opacity: 1; visibility: visible; }

.overlay-menu__list { list-style: none; padding: 0; text-align: center; }
.overlay-menu__item { margin: 12px 0; }

.overlay-menu__link {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 500; color: var(--t-text2);
  text-decoration: none;
  transition: all 0.4s var(--ease-glass);
  display: inline-block; letter-spacing: 1px;
  padding: 4px 20px;
  border-radius: var(--radius-sm);
}
.overlay-menu__link:hover {
  color: var(--t-accent);
  background: var(--t-glass);
  transform: translateX(10px);
}

.overlay-menu__footer {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%); text-align: center;
}
.overlay-menu__social {
  display: flex; gap: 12px; justify-content: center; margin-bottom: 16px;
}
.overlay-menu__social a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--t-glass);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-xs);
  color: var(--t-text3);
  text-decoration: none; font-size: 1.1rem;
  transition: all 0.3s var(--ease-glass);
}
.overlay-menu__social a:hover {
  color: var(--t-accent);
  border-color: var(--t-accent);
  box-shadow: 0 0 20px var(--t-glow-accent);
}

/* ═══════════════════════════════════════════
   BRAND LOGO
   ═══════════════════════════════════════════ */
.imm-brand {
  position: fixed; top: 20px; right: 24px;
  z-index: 201; text-align: right;
}
.imm-brand a {
  pointer-events: auto;
  display: block;
}
.imm-brand img {
  height: 50px; width: auto;
  filter: drop-shadow(0 2px 8px rgba(99,102,241,.4));
  transition: all 0.3s var(--ease-glass);
}
.imm-brand img:hover {
  filter: drop-shadow(0 4px 16px rgba(99,102,241,.6));
  transform: scale(1.05);
}
.imm-brand__name {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700; line-height: 0.9;
  color: var(--t-text); letter-spacing: -1px;
}
.imm-brand__sub {
  font-family: var(--font-body);
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 6px; text-transform: uppercase;
  color: var(--t-accent); margin-top: 2px;
}

/* ═══════════════════════════════════════════
   HERO — Glass Immersive
   ═══════════════════════════════════════════ */
.hero-imm {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; position: relative;
}
.hero-imm__bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-imm__bg video {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-imm__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(10,10,15,0.5) 0%,
    rgba(10,10,15,0.3) 50%,
    rgba(10,10,15,0.7) 100%
  );
  z-index: 1;
}

.hero-imm__content {
  position: relative; z-index: 2;
  padding: 0 24px;
}

.hero-imm__logo {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 900; color: #fff;
  line-height: 0.85; letter-spacing: -4px;
  margin-bottom: 20px;
  text-shadow: 0 4px 60px rgba(0,0,0,0.3);
}
.hero-imm__logo span {
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent3));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-imm__tagline {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400; font-style: italic;
  color: rgba(255,255,255,0.65);
  max-width: 600px; margin: 0 auto 28px;
  letter-spacing: 0.5px;
}

.hero-imm__version {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 24px;
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(30px);
  backdrop-filter: blur(30px);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--t-accent);
  margin-bottom: 40px;
  animation: shimmer 3s ease-in-out infinite;
}

.hero-imm__cta {
  display: flex; gap: 16px;
  justify-content: center; flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   BUTTONS — Glass Pills
   ═══════════════════════════════════════════ */
.btn-imm {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 700; font-size: 0.82rem;
  letter-spacing: 1.5px; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: all 0.4s var(--ease-glass);
  border: none; position: relative;
  overflow: hidden;
}
.btn-imm::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.15) 45%, rgba(255,255,255,0.05) 55%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.btn-imm:hover::before {
  transform: translateX(100%);
}

.btn-imm--primary {
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent2));
  color: #fff;
  box-shadow: 0 4px 20px var(--t-glow-accent);
}
.btn-imm--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px var(--t-glow-accent), 0 0 60px var(--t-glow-accent);
}

.btn-imm--outline {
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1.5px solid var(--t-glass-border);
  color: var(--t-text);
}
.btn-imm--outline:hover {
  border-color: var(--t-accent);
  color: var(--t-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--t-glow-accent);
}

/* ═══════════════════════════════════════════
   SCROLL INDICATOR
   ═══════════════════════════════════════════ */
.scroll-indicator {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  z-index: 2; text-align: center;
  animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-indicator__text {
  font-family: var(--font-body);
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 4px; text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  writing-mode: vertical-rl;
  margin-bottom: 8px;
}
.scroll-indicator__line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.35), transparent);
  margin: 0 auto;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ═══════════════════════════════════════════
   HEADINGS — Serif + Glass
   ═══════════════════════════════════════════ */
.imm-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700; color: var(--t-text);
  line-height: 1.1; letter-spacing: -1px;
  margin-bottom: 20px;
}
.imm-heading--gold { color: var(--t-gold); }
.imm-heading--white { color: #fff; }

.imm-subtitle {
  font-family: var(--font-body);
  font-size: 1rem; color: var(--t-text2);
  max-width: 600px; line-height: 1.8; font-weight: 400;
}

.imm-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 20px;
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--t-accent);
  margin-bottom: 20px;
}

/* ═══════════════════════════════════════════
   STATS — Glass Counter Cards
   ═══════════════════════════════════════════ */
.imm-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin: 48px 0;
}
.imm-stat {
  text-align: center; padding: 36px 20px;
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  backdrop-filter: blur(30px) saturate(160%);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-glass);
  transition: all 0.5s var(--ease-glass);
  position: relative; overflow: hidden;
}
.imm-stat::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--t-glass-shine);
  pointer-events: none;
}
.imm-stat:hover {
  transform: translateY(-4px);
  border-color: var(--t-glass-border-hover);
  box-shadow: var(--t-shadow-lg);
}

.imm-stat__num {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700; line-height: 1;
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent3));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.imm-stat__label {
  font-family: var(--font-body);
  font-size: 0.75rem; letter-spacing: 2px;
  text-transform: uppercase; color: var(--t-text2);
  margin-top: 8px;
}

/* ═══════════════════════════════════════════
   MODULE CARDS — Layered Glass Panels
   ═══════════════════════════════════════════ */
.imm-modules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.imm-module {
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  backdrop-filter: blur(30px) saturate(160%);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-glass);
  padding: 36px 28px;
  transition: all 0.5s var(--ease-glass);
  position: relative; overflow: hidden;
}
.imm-module::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--t-glass-shine);
  opacity: 0.6;
  pointer-events: none;
  transition: opacity 0.5s;
}
.imm-module::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--t-accent), var(--t-accent3));
  transform: scaleX(0);
  transition: transform 0.5s var(--ease-glass);
  transform-origin: left;
  border-radius: 0 0 var(--radius-glass) var(--radius-glass);
}

.imm-module:hover {
  transform: translateY(-6px);
  border-color: var(--t-glass-border-hover);
  box-shadow: var(--t-shadow-lg), 0 0 40px var(--t-glow-accent);
}
.imm-module:hover::before { opacity: 1; }
.imm-module:hover::after { transform: scaleX(1); }

.imm-module__icon {
  font-size: 2rem; margin-bottom: 16px;
  position: relative; z-index: 2;
}
.imm-module__name {
  font-family: var(--font-heading);
  font-size: 1.25rem; font-weight: 600;
  color: var(--t-text); margin-bottom: 8px;
  position: relative; z-index: 2;
}
.imm-module__desc {
  font-family: var(--font-body);
  font-size: 0.85rem; color: var(--t-text2);
  line-height: 1.7;
  position: relative; z-index: 2;
}
.imm-module__badge {
  display: inline-flex; align-items: center;
  padding: 4px 14px;
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  background: var(--t-glass-mid);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-pill);
  color: var(--t-accent);
  margin-top: 14px;
  position: relative; z-index: 2;
}

/* ═══════════════════════════════════════════
   HERITAGE
   ═══════════════════════════════════════════ */
.heritage-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.heritage-belts {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
}
.belt-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease-glass);
}
.belt-item:hover {
  border-color: var(--t-glass-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--t-shadow);
}
.belt-color { width: 32px; height: 8px; border-radius: 4px; flex-shrink: 0; }
.belt-name { font-family: var(--font-body); font-size: 0.82rem; color: var(--t-text); font-weight: 600; }
.belt-rank { font-size: 0.7rem; color: var(--t-text3); }

/* ═══════════════════════════════════════════
   TECH GRID
   ═══════════════════════════════════════════ */
.tech-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.tech-item {
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  backdrop-filter: blur(30px) saturate(160%);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-glass);
  padding: 32px 24px; text-align: center;
  transition: all 0.4s var(--ease-glass);
  position: relative; overflow: hidden;
}
.tech-item::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--t-glass-shine);
  pointer-events: none;
}
.tech-item:hover {
  transform: translateY(-4px);
  border-color: var(--t-accent);
  box-shadow: var(--t-shadow-lg), 0 0 30px var(--t-glow-accent);
}
.tech-item__icon { font-size: 2rem; margin-bottom: 12px; position: relative; z-index: 2; }
.tech-item__name {
  font-family: var(--font-heading);
  font-size: 1.1rem; font-weight: 600;
  color: var(--t-text); margin-bottom: 4px;
  position: relative; z-index: 2;
}
.tech-item__desc { font-size: 0.78rem; color: var(--t-text2); position: relative; z-index: 2; }

/* ═══════════════════════════════════════════
   PRICING — Tiered Glass Cards
   ═══════════════════════════════════════════ */
.imm-pricing {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.imm-price-card {
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  backdrop-filter: blur(30px) saturate(160%);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-glass);
  padding: 48px 32px; text-align: center;
  position: relative; overflow: hidden;
  transition: all 0.5s var(--ease-glass);
}
.imm-price-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--t-glass-shine);
  pointer-events: none;
}

.imm-price-card--featured {
  border-color: var(--t-accent);
  box-shadow: 0 0 40px var(--t-glow-accent);
  background: var(--t-glass-mid);
}
.imm-price-card--featured::after {
  content: 'PHỔ BIẾN';
  position: absolute; top: 0; left: 0; right: 0;
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent2));
  color: #fff; padding: 10px;
  font-family: var(--font-body);
  font-size: 0.65rem; font-weight: 800;
  letter-spacing: 3px;
  border-radius: var(--radius-glass) var(--radius-glass) 0 0;
}

.imm-price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--t-shadow-lg);
}

.imm-price-name {
  font-family: var(--font-heading);
  font-size: 1.5rem; font-weight: 700;
  color: var(--t-text); margin-bottom: 8px;
  position: relative; z-index: 2;
}
.imm-price-amount {
  font-family: var(--font-heading);
  font-size: 2.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent3));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 20px 0 4px;
  position: relative; z-index: 2;
}
.imm-price-period {
  font-size: 0.78rem; color: var(--t-text3);
  margin-bottom: 24px;
  position: relative; z-index: 2;
}
.imm-price-features {
  list-style: none; padding: 0; text-align: left;
  margin-bottom: 32px;
  position: relative; z-index: 2;
}
.imm-price-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--t-glass-border);
  font-size: 0.85rem; color: var(--t-text2);
}
.imm-price-features li::before { margin-right: 10px; }
.imm-price-features li.yes::before { content: '✓'; color: var(--t-accent); font-weight: 700; }
.imm-price-features li.no::before { content: '—'; color: var(--t-text3); }

/* ═══════════════════════════════════════════
   PARTNERS
   ═══════════════════════════════════════════ */
.imm-partners { text-align: center; }
.partner-logos {
  display: flex; justify-content: center; align-items: center;
  gap: 48px; flex-wrap: wrap; margin: 40px 0; opacity: 0.6;
}
.partner-logos img {
  height: 40px; filter: grayscale(1) brightness(2);
  transition: all 0.4s var(--ease-glass);
}
.partner-logos img:hover { filter: grayscale(0); opacity: 1; }
.partner-label {
  font-family: var(--font-body);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--t-text3); margin-bottom: 24px;
}

/* ═══════════════════════════════════════════
   CONTACT — Glass Form
   ═══════════════════════════════════════════ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-body);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--t-text2);
}

.form-input,
.form-textarea,
.form-select {
  font-family: var(--font-body);
  font-size: 0.9rem; padding: 14px 18px;
  border: 1px solid var(--t-glass-border);
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  color: var(--t-text);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease-glass);
  outline: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--t-accent);
  box-shadow: 0 0 20px var(--t-glow-accent), 0 0 0 3px rgba(77,166,255,0.1);
}
.form-textarea { resize: vertical; min-height: 120px; }

.contact-info { padding: 40px; }
.contact-info__item { margin-bottom: 28px; }
.contact-info__label {
  font-family: var(--font-body);
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--t-accent); margin-bottom: 6px;
}
.contact-info__value {
  font-family: var(--font-heading);
  font-size: 1.2rem; color: var(--t-text);
}

/* ═══════════════════════════════════════════
   FLOATING CTA — Glass Pill
   ═══════════════════════════════════════════ */
.floating-cta {
  position: fixed; bottom: 28px; right: 28px;
  z-index: 100;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent2));
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.72rem; font-weight: 800;
  letter-spacing: 2px; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  border-radius: var(--radius-pill);
  border: none;
  transition: all 0.4s var(--ease-glass);
  box-shadow: 0 4px 20px var(--t-glow-accent);
}
.floating-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px var(--t-glow-accent), 0 0 60px var(--t-glow-accent);
}
.floating-cta__icon { font-size: 1rem; }

/* ═══════════════════════════════════════════
   FOOTER — Glass Bar
   ═══════════════════════════════════════════ */
.imm-footer {
  background: var(--t-glass);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  backdrop-filter: blur(40px) saturate(180%);
  border-top: 1px solid var(--t-glass-border);
  padding: 48px 32px; text-align: center;
  position: relative; z-index: 1;
}
.imm-footer__brand {
  font-family: var(--font-heading);
  font-size: 1.5rem; font-weight: 700;
  color: var(--t-text); margin-bottom: 8px;
}
.imm-footer__org {
  font-family: var(--font-body);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--t-text2); margin-bottom: 20px;
}
.imm-footer__links {
  display: flex; gap: 24px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 20px;
}
.imm-footer__links a {
  font-family: var(--font-body); font-size: 0.82rem;
  color: var(--t-text3); text-decoration: none;
  letter-spacing: 1px;
  padding: 6px 14px; border-radius: var(--radius-pill);
  transition: all 0.3s var(--ease-glass);
}
.imm-footer__links a:hover {
  color: var(--t-accent);
  background: var(--t-glass);
}
.imm-footer__social {
  display: flex; gap: 12px; justify-content: center; margin-bottom: 20px;
}
.imm-footer__social a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--t-glass-mid);
  border: 1px solid var(--t-glass-border);
  border-radius: var(--radius-xs);
  color: var(--t-text3); text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.3s var(--ease-glass);
}
.imm-footer__social a:hover {
  border-color: var(--t-accent); color: var(--t-accent);
  box-shadow: 0 0 20px var(--t-glow-accent);
}
.imm-footer__copy { font-size: 0.72rem; color: var(--t-text3); letter-spacing: 1px; }
.imm-footer__disclaimer {
  font-size: 0.68rem; color: var(--t-text3);
  max-width: 800px; margin: 12px auto 0; line-height: 1.6;
}

/* ═══════════════════════════════════════════
   ANIMATED GRADIENT BORDER — Conic Rainbow
   ═══════════════════════════════════════════ */
@property --border-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.glass-border-glow {
  position: relative;
  z-index: 1;
}
.glass-border-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--border-angle),
    var(--t-accent) 0%,
    var(--t-accent2) 25%,
    var(--t-accent3) 50%,
    var(--t-cyan) 75%,
    var(--t-accent) 100%
  );
  z-index: -1;
  opacity: 0;
  transition: opacity 0.5s var(--ease-glass);
  animation: borderRotate 4s linear infinite;
}
.glass-border-glow:hover::after {
  opacity: 1;
}

/* Auto-apply on module cards and stat cards on hover */
.imm-module,
.imm-stat,
.imm-price-card,
.tech-item {
  z-index: 1;
}
/* Module cards and featured pricing cards retain their own ::after */

/* Glow aura behind hovered glass elements */
.imm-module:hover,
.imm-stat:hover,
.tech-item:hover {
  box-shadow:
    var(--t-shadow-lg),
    0 0 40px var(--t-glow-accent),
    0 0 80px var(--t-glow-purple);
}

@keyframes borderRotate {
  to { --border-angle: 360deg; }
}

/* ═══════════════════════════════════════════
   ANIMATIONS — Shimmer, Glow, Glass Reveal
   ═══════════════════════════════════════════ */
@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; box-shadow: 0 0 30px var(--t-glow-accent); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px var(--t-glow-accent); }
  50% { box-shadow: 0 0 40px var(--t-glow-accent), 0 0 80px var(--t-glow-purple); }
}

/* Scroll Reveal - Glass blur-to-clear */
.reveal {
  opacity: 0; transform: translateY(40px);
  filter: blur(8px);
  transition: all 0.8s var(--ease-glass);
}
.reveal.visible {
  opacity: 1; transform: translateY(0);
  filter: blur(0);
}

.reveal-left {
  opacity: 0; transform: translateX(-40px);
  filter: blur(8px);
  transition: all 0.8s var(--ease-glass);
}
.reveal-left.visible {
  opacity: 1; transform: translateX(0);
  filter: blur(0);
}

.reveal-right {
  opacity: 0; transform: translateX(40px);
  filter: blur(8px);
  transition: all 0.8s var(--ease-glass);
}
.reveal-right.visible {
  opacity: 1; transform: translateX(0);
  filter: blur(0);
}

.reveal-scale {
  opacity: 0; transform: scale(0.92);
  filter: blur(8px);
  transition: all 0.8s var(--ease-glass);
}
.reveal-scale.visible {
  opacity: 1; transform: scale(1);
  filter: blur(0);
}

/* Staggered children */
.stagger-children > * {
  opacity: 0; transform: translateY(20px);
  filter: blur(6px);
  transition: all 0.6s var(--ease-glass);
}
.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.08s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.16s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.24s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.32s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.48s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.56s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.64s; }

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

/* ═══════════════════════════════════════════
   PARTICLE CANVAS
   ═══════════════════════════════════════════ */
#particles-canvas {
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none;
}

/* ═══════════════════════════════════════════
   WAVE DECORATION
   ═══════════════════════════════════════════ */
.wave-decoration {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 200px; pointer-events: none;
  z-index: 1; overflow: hidden;
}
.wave-decoration svg {
  position: absolute; bottom: 0; width: 100%; height: 100%;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .imm-section { padding: 60px 32px; }
  .imm-modules { grid-template-columns: repeat(2, 1fr); }
  .imm-stats { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .heritage-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .imm-brand { display: none; }
}

@media (max-width: 768px) {
  .side-nav { display: none; }
  .imm-section { padding: 60px 20px; min-height: 0; }
  .hero-imm { min-height: 100vh; }
  .imm-modules { grid-template-columns: 1fr; }
  .imm-stats { grid-template-columns: 1fr 1fr; }
  .imm-pricing { grid-template-columns: 1fr; gap: 16px; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .heritage-belts { grid-template-columns: 1fr; }
  .imm-topbar { top: 8px; left: 8px; right: 8px; padding: 12px 16px; }
  .floating-cta {
    bottom: 16px; right: 16px;
    padding: 12px 20px; font-size: 0.65rem;
  }
  .hero-imm__cta { flex-direction: column; align-items: center; }
  .btn-imm { width: 100%; justify-content: center; max-width: 280px; }
  .orb { display: none; }
}

@media (max-width: 480px) {
  .imm-stats { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .partner-logos { gap: 24px; }
}