@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,300&display=swap');

:root {
  --color-primary: rgb(31, 31, 32);
  --color-secondary: rgb(98, 180, 4);
  --color-accent: rgb(4, 50, 117);
  --color-bg: #F9FAFB;
  --color-text-primary: #111827;
  --color-text-secondary: #6B7280;
  --color-white: #ffffff;
  --color-border: #E5E7EB;
  --color-error: #DC2626;
  --color-success: #16A34A;
  --color-secondary-light: rgba(98, 180, 4, 0.12);
  --color-accent-light: rgba(4, 50, 117, 0.08);
  --color-primary-light: rgba(31, 31, 32, 0.06);

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.875rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 3rem;
  --font-size-5xl: 3.75rem;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --line-height-tight: 1.15;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.09);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-accent: 0 4px 24px rgba(98, 180, 4, 0.25);
  --shadow-primary: 0 4px 24px rgba(31, 31, 32, 0.18);

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  --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;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-label {
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
  margin-top: var(--space-3);
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-light);
  margin-top: var(--space-4);
  max-width: 560px;
  line-height: var(--line-height-relaxed);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-spring);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--color-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: rgb(82, 155, 2);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(98, 180, 4, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-md);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-secondary-light);
  color: rgb(62, 120, 2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
}

/* ─── HEADER ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 250, 251, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-8);
}

.site-logo {
  font-weight: var(--font-weight-extrabold);
  font-size: 1rem;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-logo span {
  color: var(--color-secondary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.site-nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transition: transform var(--transition-spring);
}

.site-nav a:hover {
  color: var(--color-primary);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta {
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  padding: var(--space-16) 0 var(--space-20);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(98, 180, 4, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(4, 50, 117, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-xs);
}

.hero-badge i {
  color: var(--color-secondary);
  font-size: 0.875rem;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  color: var(--color-primary);
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  color: var(--color-secondary);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(98, 180, 4, 0.25);
  border-radius: var(--radius-full);
}

.hero-desc {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-light);
}

.hero-rating {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.stars {
  display: flex;
  gap: 2px;
  color: #F59E0B;
}

.rating-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.rating-text strong {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.price-block {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.price-current {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
}

.price-old {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  text-decoration: line-through;
}

.price-discount {
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.hero-visual {
  position: relative;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  position: relative;
}

.product-image-wrap {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-bg) 0%, #EEF2F7 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.product-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-badge {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.floating-badge {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.floating-badge.badge-top-left {
  top: -16px;
  left: -20px;
}

.floating-badge.badge-bottom-right {
  bottom: 40px;
  right: -24px;
}

.floating-badge i {
  font-size: 1.25rem;
  color: var(--color-secondary);
}

/* ─── ORDER FORM ─────────────────────────────────────────── */
.order-form-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, rgba(31, 31, 32, 0.95) 100%);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.order-form-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(98, 180, 4, 0.15) 0%, transparent 65%);
  pointer-events: none;
}

.order-form-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: center;
}

.order-form-content .section-title {
  color: var(--color-white);
}

.order-form-content .section-subtitle {
  color: rgba(255,255,255,0.65);
}

.form-perks {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.form-perk {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
}

.form-perk i {
  color: var(--color-secondary);
  font-size: 1rem;
  flex-shrink: 0;
}

.order-form-box {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}

.form-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
  position: relative;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-secondary);
  margin-left: 2px;
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-secondary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(98, 180, 4, 0.12);
}

.form-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}

.form-input.success {
  border-color: var(--color-success);
}

textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

.form-error-msg {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-error-msg.visible {
  display: block;
}

.form-checkbox-wrap {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-secondary);
}

.form-checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.form-checkbox-label a {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
}

.form-checkbox-label a:hover {
  text-decoration: underline;
}

.form-submit {
  width: 100%;
  margin-top: var(--space-6);
}

/* ─── FEATURES ───────────────────────────────────────────── */
.features {
  padding: var(--space-20) 0;
}

.features-header {
  margin-bottom: var(--space-12);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(98, 180, 4, 0.25);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--color-secondary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.feature-icon i {
  font-size: 1.5rem;
  color: rgb(62, 120, 2);
}

.feature-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ─── BENEFITS ───────────────────────────────────────────── */
.benefits {
  padding: var(--space-20) 0;
  background: var(--color-white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.benefits-visual {
  position: relative;
}

.benefits-image-main {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--color-bg), #E8F4E0);
}

.benefits-image-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.benefits-stat-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.benefits-stat-card.card-1 {
  top: var(--space-8);
  right: -var(--space-8);
  right: -32px;
}

.benefits-stat-card.card-2 {
  bottom: var(--space-8);
  left: -24px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-secondary);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  max-width: 100px;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.benefit-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.benefit-item:hover {
  border-color: rgba(98, 180, 4, 0.2);
  background: rgba(98, 180, 4, 0.04);
}

.benefit-icon-wrap {
  width: 44px;
  height: 44px;
  background: var(--color-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.benefit-icon-wrap i {
  font-size: 1.125rem;
  color: var(--color-white);
}

.benefit-content h4 {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.benefit-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ─── PRODUCT DETAIL ─────────────────────────────────────── */
.product-detail {
  padding: var(--space-20) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, #EEF2F7 100%);
  position: relative;
  overflow: hidden;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.product-detail-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.product-detail-text p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.detail-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.detail-highlight {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.detail-highlight i {
  color: var(--color-secondary);
  font-size: 1rem;
}

.product-detail-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-image-frame {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.detail-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-floating-tag {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.detail-floating-tag .tag-big {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  display: block;
}

.detail-floating-tag .tag-small {
  font-size: var(--font-size-xs);
  opacity: 0.8;
}

/* ─── USAGE ──────────────────────────────────────────────── */
.usage {
  padding: var(--space-20) 0;
  background: var(--color-white);
}

.usage-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.usage-header .section-subtitle {
  margin: var(--space-4) auto 0;
}

.usage-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.usage-steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  z-index: 0;
}

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

.step-number {
  width: 60px;
  height: 60px;
  background: var(--color-white);
  border: 3px solid var(--color-secondary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-secondary);
  box-shadow: 0 0 0 6px rgba(98, 180, 4, 0.1);
}

.step-title {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ─── INGREDIENTS ────────────────────────────────────────── */
.ingredients {
  padding: var(--space-20) 0;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.ingredients::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

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

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.ingredient-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.ingredient-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(98, 180, 4, 0.4);
  transform: translateY(-4px);
}

.ingredient-icon {
  width: 44px;
  height: 44px;
  background: rgba(98, 180, 4, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.ingredient-icon i {
  font-size: 1.25rem;
  color: var(--color-secondary);
}

.ingredient-name {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.ingredient-desc {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  line-height: var(--line-height-relaxed);
}

/* ─── FAQ ────────────────────────────────────────────────── */
.faq {
  padding: var(--space-20) 0;
  background: var(--color-bg);
}

.faq-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.open {
  border-color: rgba(98, 180, 4, 0.3);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: var(--space-4);
}

.faq-question-text {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.faq-icon {
  width: 28px;
  height: 28px;
  background: var(--color-secondary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.faq-icon i {
  font-size: 0.875rem;
  color: rgb(62, 120, 2);
  transition: transform var(--transition-base);
}

.faq-item.open .faq-icon {
  background: var(--color-secondary);
}

.faq-item.open .faq-icon i {
  color: var(--color-white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ─── CTA SECTION ────────────────────────────────────────── */
.cta-section {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, rgb(4, 50, 117) 0%, rgb(2, 30, 72) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(98, 180, 4, 0.2) 0%, transparent 65%);
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-inner .section-title {
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-5);
}

.cta-inner .section-subtitle {
  color: rgba(255,255,255,0.7);
  margin: 0 auto var(--space-10);
  font-size: var(--font-size-md);
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ─── DISCLAIMER ─────────────────────────────────────────── */
.disclaimer {
  padding: var(--space-10) 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.disclaimer-inner {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: #FFFBEB;
  border: 1px solid #F59E0B;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.disclaimer-icon {
  font-size: 1.5rem;
  color: #D97706;
  flex-shrink: 0;
  margin-top: 2px;
}

.disclaimer-text {
  font-size: var(--font-size-sm);
  color: #92400E;
  line-height: var(--line-height-relaxed);
}

.disclaimer-text strong {
  font-weight: var(--font-weight-semibold);
  display: block;
  margin-bottom: var(--space-1);
}

/* ─── FOOTER ─────────────────────────────────────────────── */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand .site-logo {
  color: var(--color-white);
  margin-bottom: var(--space-4);
  display: inline-block;
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer-col ul li {
  margin-bottom: var(--space-3);
}

.footer-col ul li a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-base);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-3);
}

.footer-contact-item i {
  color: var(--color-secondary);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}

.footer-policy-links {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer-policy-links a {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-base);
}

.footer-policy-links a:hover {
  color: rgba(255,255,255,0.7);
}

/* ─── COOKIE BANNER ──────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 40px rgba(0,0,0,0.12);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner-inner {
  padding: var(--space-6) var(--space-8);
}

.cookie-banner-top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.cookie-banner-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
}

.cookie-banner-text h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.cookie-banner-text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.cookie-banner-text p a {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.btn-cookie {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
  background: transparent;
  color: var(--color-text-primary);
}

.btn-cookie:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn-cookie.accept-all {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-cookie.accept-all:hover {
  background: rgb(82, 155, 2);
  box-shadow: var(--shadow-accent);
}

.btn-cookie.settings {
  color: var(--color-accent);
  border-color: rgba(4, 50, 117, 0.3);
}

.btn-cookie.settings:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.cookie-settings-panel {
  display: none;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  margin-top: var(--space-5);
}

.cookie-settings-panel.open {
  display: block;
}

.cookie-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-toggle-row:last-child {
  border-bottom: none;
}

.cookie-toggle-info h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.cookie-toggle-info p {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-spring);
  box-shadow: var(--shadow-xs);
}

.toggle-switch input:checked + .toggle-track {
  background: var(--color-secondary);
}

.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-track {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ─── POLICY PAGES ───────────────────────────────────────── */
.policy-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, rgb(50,50,51) 100%);
  padding: var(--space-16) 0 var(--space-12);
}

.policy-hero-inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.policy-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-6);
  transition: color var(--transition-base);
}

.policy-back:hover {
  color: var(--color-white);
}

.policy-hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  line-height: var(--line-height-tight);
}

.policy-hero p {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
}

.policy-content {
  padding: var(--space-16) 0;
}

.policy-body {
  max-width: 780px;
  margin: 0 auto;
}

.policy-body h2 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: var(--space-10) 0 var(--space-4);
}

.policy-body h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: var(--space-6) 0 var(--space-3);
}

.policy-body p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-5);
}

.policy-body ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
}

.policy-body ul li {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.policy-body a {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
}

.policy-body a:hover {
  text-decoration: underline;
}

.policy-info-box {
  background: var(--color-accent-light);
  border: 1px solid rgba(4, 50, 117, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-8) 0;
}

.policy-info-box h4 {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.policy-info-box p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ─── THANK YOU / 404 ────────────────────────────────────── */
.standalone-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.standalone-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-20) 0;
}

.standalone-card {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-10);
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

.standalone-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.standalone-icon.success {
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-success);
}

.standalone-icon.error {
  background: rgba(220, 38, 38, 0.1);
  color: var(--color-error);
}

.standalone-card h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.standalone-card p {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

/* ─── SCROLL ANIMATIONS ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── MOBILE NAV ─────────────────────────────────────────── */
@media (max-width: 835px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-5);
    box-shadow: var(--shadow-md);
  }

  .site-nav.open {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

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

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

  .benefits-visual {
    display: none;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .product-detail-visual {
    display: none;
  }

  .usage-steps {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .order-form-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-inner .section-title {
    font-size: var(--font-size-2xl);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .cookie-banner-inner {
    padding: var(--space-5) var(--space-5);
  }

  .detail-highlights {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .section-title{
    font-size: 1rem;
  }
  .price-current{
    font-size: 1rem;
  }
  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .usage-steps {
    grid-template-columns: 1fr;
  }

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

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

  .floating-badge {
    display: none;
  }

  .order-form-box {
    padding: var(--space-6);
  }
}