/* ============================================================
   Homepage VIS Brand Tokens
   ============================================================ */
:root {
  --color-primary: #002E55;
  --color-primary-dark: #001A33;
  --color-primary-light: #00477A;
  --color-accent: #D1BA81;
  --color-accent-light: #E8D9B3;
  --color-accent-dark: #B8A06B;
  --color-bg: #F3EFE7;
  --color-bg-warm: #EDE8DC;
  --color-text: #171A1C;
  --color-muted: #A8ADB1;
  --color-info: #8CB7C8;
  --color-white: #FFFFFF;
  --font-cn: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-en: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: var(--font-cn);
  --text-hero: 72px;
  --text-display: 56px;
  --text-h1: 44px;
  --text-h2: 32px;
  --text-h3: 24px;
  --text-h4: 20px;
  --text-body: 16px;
  --text-small: 14px;
  --text-caption: 12px;
  --lh-tight: 1.1;
  --lh-normal: 1.3;
  --lh-reading: 1.6;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 120px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;
  --shadow-btn: 0 4px 20px rgba(209, 186, 129, 0.20);
  --shadow-card: 0 4px 16px rgba(23, 26, 28, 0.04);
  --shadow-lg: 0 8px 32px rgba(23, 26, 28, 0.06);
  --container-max: 1200px;
  --container-padding: 48px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--lh-reading);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================================
   Typography
   ============================================================ */
.gold-text { color: var(--color-accent); }

.section-label {
  font-family: var(--font-en);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--text-h1);
  font-weight: 700;
  line-height: var(--lh-tight);
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: var(--text-h4);
  color: var(--color-muted);
  font-weight: 400;
  max-width: 600px;
}

/* ============================================================
   Fade-in Animation
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.navbar.scrolled {
  background: var(--color-primary-dark);
  box-shadow: 0 2px 24px rgba(0,0,0,0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-brand {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 2px;
}

.navbar-brand .gold {
  color: var(--color-accent);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.navbar-menu a {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-small);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.navbar-menu a:hover {
  color: var(--color-white);
}

.navbar-menu a:hover::after {
  width: 100%;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.btn-login {
  color: var(--color-white);
  font-size: var(--text-small);
  font-weight: 500;
  padding: 8px 20px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.btn-login:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-register {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: var(--text-small);
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-btn);
}

.btn-register:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Overlay */
.mobile-overlay {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 26, 51, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

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

.mobile-overlay a {
  color: var(--color-white);
  font-size: 20px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(10px);
  transition: color 0.3s ease, opacity 0.35s ease, transform 0.35s ease;
}

.mobile-overlay.open a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-overlay a:hover {
  color: var(--color-accent);
}

.mobile-overlay a:nth-child(1) { transition-delay: 0.04s; }
.mobile-overlay a:nth-child(2) { transition-delay: 0.08s; }
.mobile-overlay a:nth-child(3) { transition-delay: 0.12s; }
.mobile-overlay a:nth-child(4) { transition-delay: 0.16s; }
.mobile-overlay a:nth-child(5) { transition-delay: 0.20s; }
.mobile-overlay a:nth-child(6) { transition-delay: 0.24s; }

.mobile-overlay .btn-login,
.mobile-overlay .btn-register {
  font-size: 16px;
  padding: 12px 32px;
}

.mobile-overlay .mobile-overlay-action {
  min-width: 172px;
  justify-content: center;
  border-radius: var(--radius-md);
}

.mobile-overlay .btn-login.mobile-overlay-action {
  border: 1px solid rgba(255,255,255,0.3);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(160deg, #001A33 0%, #002E55 35%, #003F6B 65%, #001A33 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* SVG Wave decorations */
.hero-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  pointer-events: none;
  animation: hero-wave-drift 18s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}

@keyframes hero-wave-drift {
  0% {
    transform: translateX(0);
    opacity: 0.9;
  }
  100% {
    transform: translateX(-22px);
    opacity: 1;
  }
}

/* Concentric Circles */
.concentric-circles {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.hero-orbit-ripples {
  position: absolute;
  right: -5%;
  top: 50%;
  width: 600px;
  height: 600px;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 1;
  filter: saturate(1.05);
  mix-blend-mode: screen;
}

.hero-orbit-ripples::before {
  content: '';
  position: absolute;
  right: 68px;
  top: 138px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(209, 186, 129, 0.18) 0%, rgba(209, 186, 129, 0.08) 32%, rgba(209, 186, 129, 0.02) 58%, transparent 74%);
  filter: blur(20px);
  opacity: 0.42;
  animation: orbit-core-glow 14s cubic-bezier(0.45, 0.05, 0.2, 1) infinite;
}

.hero-orbit-ripples::after {
  content: '';
  position: absolute;
  right: 34px;
  top: 104px;
  width: 368px;
  height: 368px;
  border-radius: 50%;
  border: 1px solid transparent;
  background:
    linear-gradient(transparent, transparent) padding-box,
    conic-gradient(from 180deg, rgba(209, 186, 129, 0) 0deg, rgba(209, 186, 129, 0.15) 52deg, rgba(255, 255, 255, 0.05) 108deg, rgba(209, 186, 129, 0.02) 180deg, rgba(209, 186, 129, 0.15) 280deg, rgba(209, 186, 129, 0) 360deg) border-box;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0.28;
  filter: blur(0.5px);
  animation: orbit-arc-rotate 28s linear infinite;
}

.orbit-ripple {
  position: absolute;
  right: -80px;
  top: 0;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 1px solid rgba(209, 186, 129, 0.11);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.015) inset, 0 0 40px rgba(209, 186, 129, 0.035);
  opacity: 0;
  transform: scale(0.52);
  animation: orbit-ripple 15s cubic-bezier(0.22, 0.61, 0.36, 1) infinite;
}

.orbit-ripple-1 {
  animation-delay: 0s;
}

.orbit-ripple-2 {
  animation-delay: 5s;
}

.orbit-ripple-3 {
  animation-delay: 10s;
}

@keyframes orbit-ripple {
  0% {
    opacity: 0;
    transform: scale(0.52);
  }
  9% {
    opacity: 0.08;
  }
  22% {
    opacity: 0.22;
  }
  46% {
    opacity: 0.12;
  }
  70% {
    opacity: 0.05;
  }
  100% {
    opacity: 0;
    transform: scale(1.46);
  }
}

@keyframes orbit-core-glow {
  0%, 100% {
    opacity: 0.28;
    transform: scale(0.94);
  }
  50% {
    opacity: 0.56;
    transform: scale(1.05);
  }
}

@keyframes orbit-arc-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.concentric-circles .circle {
  position: absolute;
  border: 1px solid rgba(209, 186, 129, 0.09);
  border-radius: 50%;
  animation: circle-breathe 11s cubic-bezier(0.45, 0.05, 0.2, 1) infinite;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.01) inset;
}

@keyframes circle-breathe {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.74;
    transform: scale(1.015);
  }
}

.concentric-circles .circle-1 {
  width: 600px;
  height: 600px;
  right: -80px;
  top: -300px;
  animation-delay: 0s;
}

.concentric-circles .circle-2 {
  width: 440px;
  height: 440px;
  right: 0;
  top: -220px;
  animation-delay: 0.6s;
}

.concentric-circles .circle-3 {
  width: 280px;
  height: 280px;
  right: 80px;
  top: -140px;
  animation-delay: 1.2s;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-5xl);
}

.hero-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: -18px;
  position: relative;
  z-index: 3;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(209, 186, 129, 0.2);
  padding: 6px 16px 6px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-small);
  color: rgba(255,255,255,0.7);
  width: fit-content;
}

.hero-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ADE80;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(40px, 5vw, var(--text-hero));
  font-weight: 800;
  line-height: var(--lh-tight);
  color: var(--color-white);
  letter-spacing: -1px;
}

.hero-title .gold-text {
  color: var(--color-accent);
  display: inline;
}

.hero-subtitle {
  font-size: clamp(20px, 2.5vw, var(--text-h2));
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  line-height: var(--lh-normal);
}

.hero-desc {
  font-size: var(--text-body);
  color: rgba(255,255,255,0.5);
  max-width: 480px;
  line-height: var(--lh-reading);
  margin-top: -4px;
  position: relative;
  z-index: 2;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-primary-gold {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: var(--text-body);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-btn);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  will-change: transform, box-shadow;
  transform: translateZ(0);
  --pointer-x: 50%;
  --pointer-y: 50%;
}

.btn-primary-gold:hover {
  background: var(--color-accent-light);
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 12px 32px rgba(209, 186, 129, 0.28);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: transparent;
  color: var(--color-white);
  font-size: var(--text-body);
  font-weight: 500;
  padding: 14px 32px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  will-change: transform, box-shadow;
  transform: translateZ(0);
  --pointer-x: 50%;
  --pointer-y: 50%;
}

.btn-outline-light:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(255,255,255,0.06);
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

.btn-primary-gold::before,
.btn-outline-light::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 58%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.28), transparent);
  opacity: 0;
  transform: translate3d(-185%, 0, 0) skewX(-22deg);
  pointer-events: none;
  will-change: transform, opacity;
}

.btn-primary-gold.is-shimmering::before,
.btn-primary-gold:focus-visible::before,
.btn-outline-light.is-shimmering::before,
.btn-outline-light:focus-visible::before {
  opacity: 1;
  animation: button-shimmer 0.82s cubic-bezier(0.22, 0.61, 0.36, 1) 1;
}

.btn-primary-gold::after,
.btn-outline-light::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(255,255,255,0.22) 0%, rgba(255,255,255,0.08) 16%, transparent 48%);
  opacity: 0;
  transition: opacity 0.18s ease;
  pointer-events: none;
}

.btn-primary-gold.is-hovering::after,
.btn-outline-light.is-hovering::after,
.btn-primary-gold:focus-visible::after,
.btn-outline-light:focus-visible::after {
  opacity: 1;
}

@keyframes button-shimmer {
  0% {
    opacity: 0;
    transform: translate3d(-185%, 0, 0) skewX(-22deg);
  }
  14% {
    opacity: 0.95;
  }
  100% {
    opacity: 0;
    transform: translate3d(285%, 0, 0) skewX(-22deg);
  }
}

.btn-primary-gold:focus-visible,
.btn-outline-light:focus-visible,
.btn-login:focus-visible,
.btn-register:focus-visible,
.navbar-menu a:focus-visible,
.mobile-overlay a:focus-visible {
  outline: 2px solid rgba(209, 186, 129, 0.88);
  outline-offset: 3px;
}

/* Hero Right - Image */
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  isolation: isolate;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(209, 186, 129, 0.2);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 10% 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(209, 186, 129, 0.14) 0%, rgba(209, 186, 129, 0.04) 42%, transparent 72%);
  filter: blur(20px);
  z-index: -2;
  pointer-events: none;
}

.hero-brand-img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative;
  z-index: 1;
  transition: transform 0.45s ease, box-shadow 0.45s ease;
}

.hero-image-wrapper:hover .hero-brand-img {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 28px 72px rgba(0,0,0,0.36);
}

/* Hero Stats Bar */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.03);
  border-top: 1px solid rgba(209, 186, 129, 0.08);
  padding: var(--space-xl) 0;
}

.hero-stats .container {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.hero-stat-item {
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.hero-stat-number {
  font-family: var(--font-en);
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--color-accent);
  line-height: var(--lh-tight);
}

.hero-stat-label {
  font-size: var(--text-small);
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-xs);
}

/* ============================================================
   Products Section
   ============================================================ */
.products {
  padding: var(--space-5xl) 0;
  background: var(--color-bg);
  position: relative;
}

.section-ghost {
  position: absolute;
  right: var(--container-padding);
  top: var(--space-xl);
  font-family: var(--font-en);
  font-size: 140px;
  font-weight: 800;
  color: rgba(0, 46, 85, 0.03);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.products-header {
  margin-bottom: var(--space-3xl);
}

.products-header .section-title {
  color: var(--color-primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  box-shadow: var(--shadow-card);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.product-card::after {
  content: '';
  position: absolute;
  inset: -30% auto auto -20%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(209, 186, 129, 0.16) 0%, rgba(209, 186, 129, 0.05) 42%, transparent 72%);
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card:hover::after {
  opacity: 1;
  transform: translate3d(10px, 0, 0);
}

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(209, 186, 129, 0.12), rgba(209, 186, 129, 0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 24px;
  color: var(--color-accent);
}

.product-card h3 {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.product-card p {
  font-size: var(--text-small);
  color: var(--color-muted);
  line-height: var(--lh-reading);
  margin-bottom: var(--space-lg);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.product-tags span {
  display: inline-block;
  font-size: 12px;
  color: var(--color-accent-dark);
  background: rgba(209, 186, 129, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 500;
}

/* ============================================================
   Advantages Section
   ============================================================ */
.advantages {
  padding: var(--space-5xl) 0;
  background: var(--color-primary);
  position: relative;
}

.advantages .section-ghost {
  color: rgba(255,255,255,0.03);
}

.advantages-header .section-title {
  color: var(--color-white);
}

.advantages-header .section-subtitle {
  color: rgba(255,255,255,0.4);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.advantage-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(209, 186, 129, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}

.advantage-card:hover {
  border-color: rgba(209, 186, 129, 0.25);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.advantage-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.04) 18%, rgba(209, 186, 129, 0.08) 34%, transparent 56%);
  transform: translateX(-135%);
  transition: transform 0.55s ease;
  pointer-events: none;
}

.advantage-card:hover::after {
  transform: translateX(135%);
}

.advantage-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(209, 186, 129, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 20px;
  color: var(--color-accent);
}

.advantage-card h3 {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.advantage-card p {
  font-size: var(--text-small);
  color: rgba(255,255,255,0.45);
  line-height: var(--lh-reading);
}

/* ============================================================
   How It Works
   ============================================================ */
.how-it-works {
  padding: var(--space-5xl) 0;
  background: var(--color-bg);
}

.how-it-works .section-ghost {
  color: rgba(0, 46, 85, 0.03);
}

.how-it-works-header .section-title {
  color: var(--color-primary);
}

.steps-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, var(--color-accent),rgba(209, 186, 129, 0.1));
  pointer-events: none;
}

.step-item {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 72px;
  height: 72px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 auto var(--space-lg);
  background: var(--color-bg);
  transition: all 0.4s ease;
}

.step-item:hover .step-number {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.step-item h3 {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.step-item p {
  font-size: var(--text-small);
  color: var(--color-muted);
  line-height: var(--lh-reading);
  max-width: 260px;
  margin: 0 auto;
}

/* ============================================================
   Data Stats
   ============================================================ */
.data-stats {
  padding: var(--space-5xl) 0;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.data-stats .container {
  position: relative;
  z-index: 1;
}

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

.data-stats-header .section-title {
  color: var(--color-white);
}

.stats-big-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
}

.stat-big-item {
  text-align: center;
  padding: var(--space-2xl);
  border: 1px solid rgba(209, 186, 129, 0.1);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
}

.stat-big-item:hover {
  border-color: rgba(209, 186, 129, 0.3);
}

.stat-big-number {
  font-family: var(--font-en);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.stat-big-label {
  font-size: var(--text-h4);
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

/* Mini chart bars */
.stat-chart {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  height: 60px;
  margin-top: var(--space-md);
}

.stat-chart .bar {
  width: 12px;
  border-radius: 2px 2px 0 0;
  background: var(--color-info);
  opacity: 0.6;
  transition: height 0.5s ease;
}

.stat-chart .bar:nth-child(1) { height: 30px; }
.stat-chart .bar:nth-child(2) { height: 48px; }
.stat-chart .bar:nth-child(3) { height: 20px; }
.stat-chart .bar:nth-child(4) { height: 54px; }
.stat-chart .bar:nth-child(5) { height: 36px; }
.stat-chart .bar:nth-child(6) { height: 60px; }
.stat-chart .bar:nth-child(7) { height: 42px; }

.stat-big-item:hover .bar {
  opacity: 1;
}

/* ============================================================
   CTA Section
   ============================================================ */
.cta-section {
  padding: var(--space-5xl) 0;
  background: linear-gradient(160deg, #001A33 0%, #002E55 50%, #001A33 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(209, 186, 129, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(32px, 4vw, var(--text-display));
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xl);
  line-height: var(--lh-tight);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-cta-white {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-white);
  color: var(--color-primary-dark);
  font-size: var(--text-body);
  font-weight: 600;
  padding: 16px 40px;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.btn-cta-white:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: transparent;
  color: var(--color-accent);
  font-size: var(--text-body);
  font-weight: 500;
  padding: 16px 40px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.btn-cta-outline:hover {
  background: rgba(209, 186, 129, 0.08);
  transform: translateY(-2px);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--color-primary-dark);
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid rgba(209, 186, 129, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand-desc {
  font-size: var(--text-small);
  color: rgba(255,255,255,0.4);
  max-width: 320px;
  line-height: var(--lh-reading);
  margin-top: var(--space-md);
}

.footer-col h4 {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  font-size: var(--text-small);
  color: rgba(255,255,255,0.45);
  transition: color 0.3s ease;
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: 16px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(209, 186, 129, 0.05);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: var(--text-caption);
  color: rgba(255,255,255,0.3);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --container-padding: 32px;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-xl));
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-2xl);
  }

  .hero-right {
    order: -1;
  }

  .hero-left {
    margin-top: 0;
    gap: var(--space-lg);
  }

  .hero-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }

  .hero-title {
    font-size: 48px;
  }

  .hero-stats .container {
    justify-content: center;
  }

  .hero-stats {
    position: relative;
    bottom: auto;
    margin-top: var(--space-lg);
  }

  .concentric-circles {
    display: none;
  }

  .hero-orbit-ripples {
    display: none;
  }

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

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

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

  .section-ghost {
    font-size: 80px;
  }

  .steps-container::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 24px;
    --nav-height: 64px;
    --text-hero: 40px;
    --text-display: 36px;
    --text-h1: 32px;
    --text-h2: 26px;
    --text-h3: 20px;
    --text-h4: 18px;
  }

  .navbar-menu,
  .navbar-actions {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--space-lg));
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
    margin-top: 4px;
  }

  .hero-actions .btn-primary-gold,
  .hero-actions .btn-outline-light {
    justify-content: center;
    width: 100%;
    min-height: 52px;
  }

  .hero-desc {
    max-width: 100%;
    margin-top: -2px;
  }

  .hero-image-wrapper {
    max-width: min(100%, 340px);
  }

  .hero-stats {
    padding: var(--space-lg) 0 var(--space-xl);
  }

  .hero-stat-item {
    min-width: calc(50% - 12px);
    flex: 0 0 calc(50% - 12px);
  }

  .hero-stat-number {
    font-size: 24px;
  }

  .hero-stat-label {
    font-size: 13px;
  }

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

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

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

  .step-item {
    max-width: 360px;
  }

  .stats-big-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-ghost {
    display: none;
  }
}

@media (max-width: 420px) {
  :root {
    --container-padding: 16px;
    --text-h1: 28px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 12px);
  }

  .hero .container {
    gap: var(--space-xl);
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-xl);
  }

  .hero-status {
    font-size: 12px;
  }

  .hero-actions .btn-primary-gold,
  .hero-actions .btn-outline-light {
    padding: 14px 18px;
    font-size: 15px;
  }

  .hero-stat-item {
    min-width: 100%;
    flex: 1 1 100%;
  }

  .hero-stat-number {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fade-up,
  .btn-primary-gold,
  .btn-outline-light,
  .hero-brand-img,
  .orbit-ripple,
  .hero-status .dot,
  .hero-waves,
  .concentric-circles .circle,
  .stat-chart .bar,
  .product-card,
  .advantage-card {
    animation: none !important;
    transition: none !important;
  }
}