/* NIAITE Design System - Main Stylesheet */

/* ================================
   CSS Custom Properties (Design Tokens)
   ================================ */
:root {
  /* Colors - Primary (Modern Vibrant Blue) */
  --color-primary: #2962FF;
  --color-primary-dark: #0039CB;
  --color-primary-light: #768FFF;

  /* Colors - Secondary (Eco-Friendly Teal) */
  --color-secondary: #00897B;
  --color-secondary-dark: #00695C;

  /* Colors - Accent (Energetic Warm Orange) */
  --color-accent: #FF6E40;
  --color-accent-dark: #DD2C00;

  /* Colors - Backgrounds */
  --color-bg-light: #F8F9FA;
  --color-bg-white: #FFFFFF;
  --color-bg-dark: #1A1A2E;
  --color-bg-card: #fafbfc;
  --color-bg-muted: #f6f8fa;

  /* Colors - Text */
  --color-text-primary: #212121;
  --color-text-secondary: #616161;
  --color-text-light: #9E9E9E;
  --color-text-white: #FFFFFF;
  --color-text-muted: #6e7781;
  --color-text-icon: #586069;

  /* Colors - Status */
  --color-success: #26A69A;
  --color-success-dark: #00897B;
  --color-warning: #FF9800;
  --color-error: #F44336;
  --color-whatsapp: #25D366;

  /* Colors - Borders */
  --color-border: #E0E0E0;
  --color-border-light: #F0F0F0;
  --color-border-medium: #d1d5da;
  --color-border-dark: #e1e4e8;

  /* Typography: distinctive stack, no Inter/Roboto (frontend-design) */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-family-heading: Georgia, 'Times New Roman', serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;

  /* Header */
  --header-height: 80px;

  /* Gradients */
  --hero-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --cta-gradient: linear-gradient(135deg, #2962FF 0%, #0039CB 100%);
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-white);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ================================
   Typography
   ================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-heading);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* ================================
   Layout
   ================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section--light {
  background-color: var(--color-bg-light);
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-white);
}

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ================================
   Header & Navigation
   ================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header__logo img {
  height: 50px;
  width: auto;
}

.header__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.header__logo-slogan {
  font-size: 0.65rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: 8px;
  font-weight: 500;
  padding-left: 8px;
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.2;
}

.nav__list {
  display: flex;
  gap: var(--spacing-xl);
}

.nav__link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) 0;
  position: relative;
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Dropdown Menu */
.nav__item {
  position: relative;
}

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__item>.nav__link::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 6px;
  vertical-align: middle;
  transition: transform var(--transition-fast);
}

.nav__item:hover>.nav__link::after {
  transform: rotate(180deg);
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-bg-white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) 0;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  z-index: 1000;
  margin-top: var(--spacing-sm);
}

.nav__dropdown-item {
  display: block;
}

.nav__dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.nav__dropdown-link:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
  padding-left: var(--spacing-xl);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

.nav__toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-fast);
}

.header__actions {
  display: none;
}

@media (min-width: 769px) {
  .header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
  }

  .nav__item--mobile-only {
    display: none;
  }
}

@media (max-width: 768px) {
  .header__actions {
    display: none;
  }
}

/* ================================
   Buttons
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-white);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text-white);
}

.btn--secondary:hover {
  background: var(--color-secondary-dark);
  color: var(--color-text-white);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.btn--white {
  background: var(--color-bg-white);
  color: var(--color-primary);
}

.btn--white:hover {
  background: var(--color-bg-light);
  color: var(--color-primary-dark);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-text-white);
}

.btn--whatsapp:hover {
  background: #20BD5C;
  color: var(--color-text-white);
}

.btn--lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn--sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* ================================
   Hero Section
   ================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: #0a1128;
  /* Dark base color */
  color: var(--color-text-white);
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  /* Parallax effect */
  opacity: 0.4;
  /* Increased opacity for more visible texture */
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(10, 17, 40, 0.9) 0%, rgba(10, 17, 40, 0.4) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero__badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: rgba(41, 98, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  color: #768FFF;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

/* Enhanced Badge Setup for Hero (Concept 1) */
.badge--shimmer {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background: rgba(41, 98, 255, 0.15);
  border: 1px solid rgba(41, 98, 255, 0.3);
  border-radius: 100px;
  color: #e2e8f0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.badge--shimmer::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  right: 0;
  bottom: 0;
  width: 50%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-20deg);
  animation: shimmer 3s infinite linear;
}

@keyframes shimmer {
  100% {
    left: 200%;
  }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--color-text-white);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  font-weight: 800;
}

.hero__desc {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  opacity: 0.9;
  margin-bottom: 2.5rem;
  line-height: 1.6;
  max-width: 650px;
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-4xl);
  /* Breathing room */
  flex-wrap: wrap;
}

/* Trust Marquee (Concept 2 & Hybrid) */
.trust-marquee {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  z-index: 2;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.trust-marquee__track {
  display: flex;
  gap: 4rem;
  padding: 0 2rem;
  animation: scroll 30s linear infinite;
}

.trust-marquee__item {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.25rem;
  font-weight: 700;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(calc(-100% + 100vw));
  }
}

/* Scroll Indicator (Concept 3) */
.scroll-indicator {
  position: absolute;
  bottom: 80px;
  /* Above marquee */
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-indicator svg {
  width: 20px;
  height: 20px;
  animation: bounce 2s infinite;
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-10px);
  }

  60% {
    transform: translateY(-5px);
  }
}

.btn--outline-white {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text-white);
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* Premium Product Hero Section */
.hero-premium {
  position: relative;
  overflow: hidden;
  background: var(--hero-gradient);
  color: white;
  padding-top: var(--header-height);
}

.hero-premium .section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--spacing-4xl) var(--container-padding);
  display: grid;
  align-items: center;
  gap: 3rem;
  z-index: 10;
  position: relative;
}

@media (min-width: 992px) {
  .hero-premium .section-container {
    grid-template-columns: 1.1fr 0.9fr;
    padding: var(--spacing-4xl) var(--container-padding);
  }
}

.heading-display {
  font-family: var(--font-family-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: white;
}

.hero-premium__badge {
  margin-bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.hero-premium__desc {
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  max-width: 32rem;
  margin-bottom: 2rem;
}

.hero-premium__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.btn-premium-cta {
  background: var(--cta-gradient);
  color: white;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-premium-cta:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  color: white;
}

.btn-premium-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-premium-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.hero-premium__features {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2rem;
}

.hero-premium__feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
}

.hero-premium__image-wrapper {
  position: relative;
}

.hero-premium__img-box {
  overflow: hidden;
  border-radius: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.hero-premium__img-box img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-premium__stats {
  position: absolute;
  bottom: -1.5rem;
  left: 1rem;
  right: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0.5rem;
  border-radius: 1rem;
  text-align: center;
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.stat-card__value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0;
  line-height: 1;
}

.stat-card__label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 991px) {
  .hero-premium .section-container {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-4xl);
    text-align: center;
  }

  .hero-premium__badge,
  .hero-premium__desc,
  .hero-premium__features {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-premium__actions {
    justify-content: center;
  }

  .hero-premium__img-box {
    max-width: 500px;
    margin: 0 auto;
  }
}


/* Features Trust Bar */
.features-bar {
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
}

.features-bar__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .features-bar__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.feature-item__icon {
  width: 40px;
  height: 40px;
  background: rgba(41, 98, 255, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.feature-item__text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ================================
   Cards
   ================================ */
.card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__body {
  padding: var(--spacing-lg);
}

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.card__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Advantages Section (Why Choose Us) */
.advantages {
  background-color: var(--color-bg-card);
}

.advantage-card {
  background: var(--color-bg-white);
  padding: var(--spacing-2xl);
  /* Equals p-8 approximately */
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(41, 98, 255, 0.3);
}

.advantage-card__icon-wrap {
  width: 56px;
  height: 56px;
  background: rgba(41, 98, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  transition: background-color var(--transition-normal);
}

.advantage-card:hover .advantage-card__icon-wrap {
  background: rgba(41, 98, 255, 0.15);
}

.advantage-card__icon-wrap svg {
  width: 28px;
  height: 28px;
}

.advantage-card__title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.advantage-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Product Card */
.product-card {
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card__image {
  height: 220px;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  transition: background-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.product-card:hover .product-card__image {
  background: linear-gradient(135deg, var(--color-bg-light) 0%, rgba(21, 101, 192, 0.05) 100%);
}

.product-card__image img {
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__meta {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.product-card:hover .product-card__meta {
  background: var(--color-primary);
  color: var(--color-text-white);
}

/* Blog Card */
.blog-card__meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.blog-card__category {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

/* ================================
   Filters & Tabs
   ================================ */
.filter-container {
  padding: var(--spacing-xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: var(--spacing-xl);
}

.filter-container {
  background: var(--color-bg-light);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

.filter-header {
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.filter-section {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.filter-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-heading {
  min-width: 120px;
  margin: 0;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  padding-top: var(--spacing-xs);
}

@media (max-width: 768px) {
  .filter-section {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-heading {
    min-width: auto;
    margin-bottom: var(--spacing-sm);
  }

  .filter-container {
    padding: var(--spacing-lg);
  }

  .filter-header {
    flex-direction: column;
    align-items: stretch !important;
  }

  .search-box {
    width: 100% !important;
    min-width: auto !important;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {

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

  .filter-group {
    gap: var(--spacing-xs);
  }

  .filter-tab {
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 44px;
  }
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.filter-tab {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  background: var(--color-bg-white);
}

.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-tab.active {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

/* ================================
   Call To Action (CTA)
   ================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  position: relative;
  overflow: hidden;
  color: var(--color-text-white);
  padding: var(--spacing-4xl) 0;
}

.cta-section__bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.cta-section__bg-elements::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-section__bg-elements::after {
  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=\'0.05\'%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");
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section__title {
  color: var(--color-text-white);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.cta-section__text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ================================
   Section Headers
   ================================ */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

.section-header__label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.section-header__title {
  margin-bottom: var(--spacing-md);
}

.section-header__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* ================================
   Features
   ================================ */
.feature {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-full);
  color: var(--color-text-white);
  font-size: var(--font-size-3xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature:hover .feature__icon {
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

.feature__icon svg {
  width: 48px;
  height: 48px;
  stroke-width: 2;
}

.feature__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.feature__text {
  color: var(--color-text-secondary);
}

/* ================================
   Forms
   ================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

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

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--color-bg-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-file {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  min-height: 150px;
}

.form-file:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-light);
}

.form-file input {
  display: none;
}

.form-file__icon {
  font-size: var(--font-size-3xl);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  line-height: 1;
}

.form-file__text {
  color: var(--color-text-secondary);
  margin: 0;
}

.form-file__text strong {
  color: var(--color-primary);
}

/* 表单提交成功：页内提示 */
.form-success-message {
  padding: var(--spacing-2xl);
  text-align: center;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.08) 0%, rgba(76, 175, 80, 0.04) 100%);
  border: 1px solid rgba(76, 175, 80, 0.3);
  border-radius: var(--radius-lg);
}

.form-success-message__icon {
  color: var(--color-success);
  margin-bottom: var(--spacing-lg);
}

.form-success-message__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.form-success-message__text {
  color: var(--color-text-secondary);
  margin: 0;
}

/* ================================
   Footer
   ================================ */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

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

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  height: 50px;
  margin-bottom: var(--spacing-lg);
  filter: none;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.footer__logo:hover {
  opacity: 1;
}

.footer__text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

.footer__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-white);
}

.footer__list li {
  margin-bottom: var(--spacing-sm);
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-white);
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-text-white);
  transition: background var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-primary);
}

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer__legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer__legal a:hover {
  color: var(--color-text-white);
}

/* ================================
   WhatsApp Float Button
   ================================ */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--color-whatsapp);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

/* ================================
   Page Header (Inner Pages)
   ================================ */
.page-header {
  padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
  background: #0a1128;
  color: var(--color-text-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(41, 98, 255, 0.15) 0%, transparent 70%);
  z-index: 1;
}

.page-header .container {
  position: relative;
  z-index: 2;
}

.page-header__title {
  color: var(--color-text-white);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.page-header__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.6;
}

.page-header__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.page-header__breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.9rem;
  margin-top: var(--spacing-lg);
}

.page-header__breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-header__breadcrumb a:hover {
  color: var(--color-text-white);
}

.page-header__breadcrumb span {
  color: rgba(255, 255, 255, 0.4);
}

/* ================================
   Testimonials
   ================================ */
.testimonials {
  background-color: var(--color-bg-card);
}

.testimonial-card {
  background: var(--color-bg-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
}

.testimonial-card__stars {
  display: flex;
  gap: 4px;
  margin-bottom: var(--spacing-md);
  color: #F59E0B;
  /* Warm gold for star ratings */
}

.testimonial-card__stars svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.testimonial-card__quote {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
}

.testimonial-card__author {
  display: flex;
  flex-direction: column;
}

.testimonial-card__name {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.testimonial-card__role {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.testimonial-card__company {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-top: 2px;
}

/* ================================
   Stats
   ================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  text-align: center;
}

.stat__number {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat__label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* ================================
   FAQ Accordion
   ================================ */
.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.accordion__header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.accordion__header:hover {
  background: var(--color-bg-light);
}

.accordion__icon {
  font-size: var(--font-size-xl);
  transition: transform var(--transition-fast);
}

.accordion__item.active .accordion__icon {
  transform: rotate(45deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.accordion__item.active .accordion__content {
  max-height: 500px;
}

.accordion__body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-secondary);
}

/* ================================
   Contact Info
   ================================ */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.contact-info__icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.contact-info__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.contact-info__content h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.contact-info__content p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* ================================
   Contact Page Layout (Enhanced)
   ================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: start;
}

.contact-form-col {
  min-width: 0;
}

.contact-form-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

/* Two-column form row */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Select styling */
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* File upload hint */
.form-file-hint {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: var(--color-bg-light);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
  transition: border-color var(--transition-fast);
}

.form-file-hint:hover {
  border-color: var(--color-primary);
}

.form-file-hint__icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.form-file-hint__text p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.form-file-hint__text strong {
  color: var(--color-text-primary);
}

.form-file-hint__text a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.form-file-hint__text a:hover {
  color: var(--color-primary-dark);
}

/* Contact Info Sidebar */
.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.contact-side-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.contact-side-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}

/* Smaller icon in card variant */
.contact-side-card .contact-info__icon {
  width: 40px;
  height: 40px;
}

.contact-side-card .contact-info__icon svg {
  width: 20px;
  height: 20px;
}

.contact-side-card .contact-info__content h4 {
  font-size: var(--font-size-base);
}

/* WhatsApp green card */
.contact-whatsapp-card {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  color: white;
  text-align: center;
}

.contact-whatsapp-card h3 {
  color: white;
  font-size: var(--font-size-xl);
  margin-bottom: 0.5rem;
}

.contact-whatsapp-card p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Why Choose Us list */
.contact-why-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.contact-why-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contact-why-list li svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Responsive: stack at tablet */
@media (max-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 2rem;
  }
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 1.5rem;
  }
}

/* ================================
   Process Steps (How to Obtain)
   ================================ */
.process-timeline {
  position: relative;
  margin-top: var(--spacing-3xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.process-timeline__line {
  position: absolute;
  top: 35px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-border) 50%, transparent 100%);
  z-index: 0;
  opacity: 0.6;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.process-card {
  text-align: center;
}

.process-card__icon-box {
  width: 70px;
  height: 70px;
  background: var(--color-bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  position: relative;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.process-card:hover .process-card__icon-box {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 20px rgba(41, 98, 255, 0.1);
}

.process-card__number-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 26px;
  height: 26px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  border: 3px solid var(--color-bg-white);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.process-card h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.process-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 240px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-timeline__line {
    display: none;
  }
}

@media (max-width: 600px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================
   Responsive Design
   ================================ */
/* 触控优化：减少 300ms 点击延迟 */
@media (hover: none) and (pointer: coarse) {

  a,
  button,
  input,
  select,
  textarea,
  .nav__toggle,
  .accordion__header {
    touch-action: manipulation;
  }
}

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  h3 {
    font-size: var(--font-size-2xl);
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
  }

  .nav__item {
    position: relative;
  }

  .nav__link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: 44px;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
    background: var(--color-bg-light);
    border-radius: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .nav__item.dropdown-open .nav__dropdown {
    max-height: 1000px;
  }

  .nav__dropdown-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-left: var(--spacing-2xl);
    min-height: 44px;
    font-size: var(--font-size-sm);
    line-height: 1.4;
  }

  .nav__toggle {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    cursor: pointer;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

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

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

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

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

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }

  /* 表单：触控区域 ≥44px、输入框足够大 */
  .form-input,
  .form-textarea,
  .form-select {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 16px;
    /* 防止 iOS 缩小 */
  }

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

  .form-group .btn,
  #contact-form .btn {
    min-height: 48px;
    padding: var(--spacing-md) var(--spacing-xl);
  }

  /* 产品卡片：触控友好、图片比例、卡片间距 */
  .product-card__image {
    aspect-ratio: 4/3;
    height: auto;
    min-height: 160px;
  }

  .card__body {
    padding: var(--spacing-lg);
  }

  /* page-header 移动端内边距 */
  .page-header {
    padding: var(--spacing-2xl) 0 !important;
  }

  /* FAQ 手风琴触控区域 */
  .accordion__header {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--spacing-3xl) 0;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
  }

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

  .hero__subtitle {
    font-size: var(--font-size-base);
  }

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

  .stat__number {
    font-size: var(--font-size-4xl);
  }
}

/* ================================
   Utilities
   ================================ */
.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mt-4 {
  margin-top: var(--spacing-xl);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mb-4 {
  margin-bottom: var(--spacing-xl);
}

.py-1 {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.py-2 {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.py-3 {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.py-4 {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* Animation utilities */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease forwards;
}

.delay-100 {
  animation-delay: 100ms;
}

.delay-200 {
  animation-delay: 200ms;
}

.delay-300 {
  animation-delay: 300ms;
}

.delay-400 {
  animation-delay: 400ms;
}

/* ================================
   Certification Badges
   ================================ */
.certification-badge {
  padding: var(--spacing-xl);
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.certification-badge:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.certification-badge__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-full);
  color: var(--color-text-white);
  box-shadow: var(--shadow-md);
}

.certification-badge__icon svg {
  width: 48px;
  height: 48px;
  stroke-width: 2;
}

/* ================================
   Professional Product Directory
   ================================ */
.professional-select:hover {
  border-color: var(--color-primary) !important;
}

.professional-select:focus {
  outline: none;
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

#product-search:hover {
  border-color: #959da5 !important;
}

#product-search:focus {
  outline: none;
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

#clear-filters:hover {
  background: var(--color-bg-muted) !important;
  border-color: #959da5 !important;
}

#sort-products:hover {
  border-color: #959da5 !important;
}

#sort-products:focus {
  outline: none;
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

/* Enhanced Product Cards for Directory */
#product-grid .product-card {
  background: white;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

#product-grid .product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(41, 98, 255, 0.15);
  border-color: var(--color-primary);
}

#product-grid .product-card__image {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  background: #f6f8fa;
}

#product-grid .product-card__meta {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: var(--color-bg-muted);
  color: #57606a;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

#product-grid .card__title {
  color: var(--color-text-primary);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

/* Product Tags */
.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.75rem;
}

.product-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.product-tag--type {
  background: #E3F2FD;
  color: #1565C0;
  border: 1px solid #BBDEFB;
}

.product-tag--type:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(41, 98, 255, 0.25);
}

.product-tag--industry {
  background: #E0F2F1;
  color: #00695C;
  border: 1px solid #B2DFDB;
}

.product-tag--industry:hover {
  background: var(--color-secondary);
  color: white;
  border-color: var(--color-secondary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 137, 123, 0.25);
}

.product-tag--material {
  background: #FFF3E0;
  color: #E65100;
  border: 1px solid #FFE0B2;
}

.product-tag--material:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(255, 110, 64, 0.25);
}

.product-tag svg {
  width: 10px;
  height: 10px;
}

/* Hide slogan on mobile so it doesn't overlap nav icon */
@media (max-width: 480px) {
  .header__logo-slogan {
    display: none;
  }
}

/* Modern Utility Classes */
.section-padding {
  padding: var(--spacing-4xl) 0;
}

.section-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.bg-secondary\/50 {
  background-color: rgba(0, 137, 123, 0.05);
  /* Using secondary color with very low opacity */
}

.bg-primary\/10 {
  background-color: rgba(41, 98, 255, 0.1);
}

.bg-accent\/15 {
  background-color: rgba(255, 110, 64, 0.15);
}

.text-accent {
  color: var(--color-accent);
}

.text-foreground {
  color: var(--color-text-primary);
}

.text-muted-foreground {
  color: var(--color-text-secondary);
}

.heading-section {
  font-family: var(--font-family-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: var(--line-height-tight);
}

.shadow-card {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.shadow-card-hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.border-border {
  border: 1px solid var(--color-border-light);
}

.bg-card {
  background-color: var(--color-bg-white);
}

.rounded-xl {
  border-radius: 0.75rem;
}

.rounded-lg {
  border-radius: 0.5rem;
}

.shrink-0 {
  flex-shrink: 0;
}

.uppercase {
  text-transform: uppercase;
}

.tracking-widest {
  letter-spacing: 0.1em;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-3 {
  margin-top: 0.75rem;
}

.mt-12 {
  margin-top: 3rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.max-w-2xl {
  max-width: 42rem;
}

.flex-col {
  flex-direction: column;
}

.p-6 {
  padding: 1.5rem;
}

.h-12 {
  height: 3rem;
}

.w-12 {
  width: 3rem;
}

.h-6 {
  height: 1.5rem;
}

.w-6 {
  width: 1.5rem;
}

/* Dedicated Icon Box Utility */
.icon-box-modern {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.gap-4 {
  gap: 1rem;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-display {
  font-family: var(--font-family-heading);
}

.text-xs {
  font-size: 0.75rem;
}

/* Material Grid Specifics */
.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1280px) {
  .xl\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Material Card Style - Glassmorphism & Spotlight */
.material-card-modern {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.material-card-modern::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(41, 98, 255, 0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.material-card-modern:hover::before {
  opacity: 1;
}

.material-card-modern:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary);
}

.material-card-modern__icon-box {
  width: 60px;
  height: 60px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
  color: #64748b;
  transition: all 0.4s ease;
  border: 1px solid #e2e8f0;
}

.material-card-modern:hover .material-card-modern__icon-box {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 16px rgba(41, 98, 255, 0.25);
  border-color: var(--color-primary);
}

.material-card-modern__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  font-family: var(--font-family);
}

.material-card-modern__desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Transitions & Anim */
.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.transition-colors {
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.hover\:shadow-card-hover:hover {
  box-shadow: var(--shadow-xl);
}

.hover\:border-accent\/40:hover {
  border-color: rgba(255, 110, 64, 0.4);
}

.group:hover .group-hover\:bg-accent\/15 {
  background-color: rgba(255, 110, 64, 0.15);
}

.group:hover .group-hover\:text-accent {
  color: var(--color-accent);
}

/* Modern Utility Classes Refinement */
.items-center {
  align-items: center;
}

.flex {
  display: flex;
}

.justify-center {
  justify-content: center;
}

.gap-12 {
  gap: 3rem;
}

.space-y-5>*+* {
  margin-top: 1.25rem;
}

.h-10 {
  height: 2.5rem;
}

.w-10 {
  width: 2.5rem;
}

.h-5 {
  height: 1.25rem;
}

.w-5 {
  width: 1.25rem;
}

.rounded-2xl {
  border-radius: 1rem;
}

.leading-relaxed {
  line-height: 1.625;
}

.mt-0\.5 {
  margin-top: 0.125rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}

.bg-background {
  background-color: var(--color-bg-white);
}

.overflow-hidden {
  overflow: hidden;
}

.h-full {
  height: 100%;
}

.w-full {
  width: 100%;
}

.object-cover {
  object-fit: cover;
}

.text-sm {
  font-size: 0.875rem;
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Premium Industry Card Style */
.industry-card-premium {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: 1.25rem;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  height: 100%;
}

.industry-card-premium:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
}

.industry-card-premium__icon {
  width: 64px;
  height: 64px;
  background: #f1f5f9;
  color: var(--color-primary);
  border-radius: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.industry-card-premium:hover .industry-card-premium__icon {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 20px rgba(41, 98, 255, 0.3);
}

.industry-card-premium__title {
  font-family: var(--font-family-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

/* Sustainability Section Enhanced */
.sustainability-bg {
  position: relative;
  background-color: var(--color-bg-white);
  overflow: hidden;
}

.sustainability-bg::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -5%;
  width: 40%;
  height: 60%;
  background-image: url("data:image/svg+xml,%3Csvg width='400' height='400' viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M200 40c-20 60-120 100-120 200s100 120 120 120 120-20 120-120S220 100 200 40z' fill='%2322c55e' fill-opacity='0.03'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
  z-index: 0;
}

.eco-badge-container {
  position: relative;
}

.eco-badge-seal {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background: white;
  border-radius: 50%;
  padding: 5px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  animation: float-slow 6s ease-in-out infinite;
}

@keyframes float-slow {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.feature-check-list {
  position: relative;
  z-index: 1;
}

.feature-check-item {
  transition: all 0.3s ease;
  cursor: default;
}

.feature-check-item:hover {
  transform: translateX(10px);
}

.feature-check-item:hover .feature-check-icon {
  background: var(--color-primary);
  color: white;
}

.industry-card-premium__desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   Premium CTA Section
   ========================================================================== */
.cta-premium {
  background: #0a0a0b;
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.cta-premium .bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.cta-premium .cta-wrapper {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 10;
  text-align: center;
}

.cta-premium .cta-content {
  max-width: 800px;
  margin: 0 auto 60px;
}

.cta-premium .cta-title {
  font-family: var(--font-family-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: white !important;
  margin-bottom: 24px;
  line-height: 1.1;
  font-weight: 700;
}

.cta-premium .cta-desc {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 0 auto;
}

.cta-premium .cta-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.cta-premium .btn-main {
  background: linear-gradient(135deg, #FF6E40 0%, #FF3D00 100%);
  color: white !important;
  padding: 18px 40px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 10px 25px rgba(255, 110, 64, 0.3);
  text-decoration: none;
}

.cta-premium .btn-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(255, 110, 64, 0.4);
}

.cta-premium .btn-sec {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white !important;
  padding: 18px 40px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1.125rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: background 0.3s ease, border-color 0.3s ease;
  text-decoration: none;
}

.cta-premium .btn-sec:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
}

.cta-premium .trust-banner {
  background: white;
  border-radius: 20px;
  padding: 24px 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
  max-width: 800px;
  margin: 0 auto;
}

.cta-premium .cta-trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.cta-premium .trust-item h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary) !important;
  margin-bottom: 4px;
  font-family: var(--font-family);
}

.cta-premium .trust-item p {
  font-size: 0.75rem;
  color: var(--color-text-secondary) !important;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin: 0;
}

@media (min-width: 768px) {
  .cta-premium .cta-trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ================================
   FAQ Page
   ================================ */
.faq-hero {
  background-color: #0F172A;
  color: white;
  padding: 56px 0 68px;
  text-align: center;
  margin-top: var(--header-height);
}

.faq-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: white;
}

.faq-hero p {
  opacity: 0.8;
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
  font-size: var(--font-size-sm);
}

.faq-hero__eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.6;
  margin-bottom: 10px;
}

.faq-search-wrap {
  max-width: 580px;
  margin: 0 auto;
  position: relative;
}

.faq-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: #9CA3AF;
  pointer-events: none;
}

.faq-search-input {
  width: 100%;
  padding: 16px 20px 16px 50px;
  border-radius: 12px;
  border: none;
  background: white;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  outline: none;
  font-family: var(--font-family);
}

.faq-search-input:focus {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15), 0 0 0 3px rgba(245, 158, 11, 0.3);
}

/* Sticky category nav */
.faq-cat-nav {
  background: white;
  border-bottom: 1px solid var(--color-border-light);
  padding: 10px 0;
  position: sticky;
  top: var(--header-height);
  z-index: 100;
}

.faq-cat-nav__inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.faq-cat-nav__inner::-webkit-scrollbar {
  display: none;
}

.faq-cat-btn {
  padding: 8px 20px;
  border-radius: 8px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: #6B7280;
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.faq-cat-btn.active {
  background: #0F172A;
  color: white;
}

.faq-cat-btn:hover:not(.active) {
  color: var(--color-text-primary);
  background: var(--color-bg-muted);
}

/* FAQ layout: two-col grid */
/* Category section titles — hidden visually to match designer;
   kept in DOM for screen readers and JS category filtering. */
.faq-category__title {
  display: none;
}

/* Additional spacing between category groups (replaces the title gap) */
.faq-category+.faq-category {
  margin-top: var(--spacing-xl);
}

.faq-section-header {
  display: none;
  /* hidden: hero+search replaces this heading */
}

/* Accordion items */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-accordion .accordion__item {
  background: var(--color-bg-white);
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.faq-accordion .accordion__item:hover {
  border-color: #D1D5DB;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
}

.faq-accordion .accordion__item.active {
  border-color: #D1D5DB;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
}

.faq-accordion .accordion__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: none;
  border: none;
  text-align: left;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  cursor: pointer;
  gap: var(--spacing-md);
}

.faq-accordion .accordion__header-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-accordion .accordion__star {
  color: #F59E0B;
  flex-shrink: 0;
}

.faq-accordion .accordion__icon {
  color: var(--color-text-light);
  flex-shrink: 0;
  opacity: 0.6;
}

.faq-accordion .accordion__chevron {
  transition: transform var(--transition-normal);
  color: #9CA3AF;
  flex-shrink: 0;
}

.faq-accordion .accordion__item.active .accordion__chevron {
  transform: rotate(180deg);
}

.faq-accordion .accordion__body {
  padding: 0 20px 18px 20px;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.faq-accordion .accordion__body ul,
.faq-accordion .accordion__body ol {
  margin-top: var(--spacing-sm);
  padding-left: var(--spacing-xl);
}

.faq-accordion .accordion__body li {
  margin-bottom: var(--spacing-xs);
}

/* FAQ two-column layout */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 992px) {
  .faq-layout {
    grid-template-columns: 1fr 320px;
    gap: 48px;
  }
}

/* FAQ Sidebar */
.faq-sidebar {
  display: none;
}

@media (min-width: 992px) {
  .faq-sidebar {
    display: block;
  }
}

.faq-sticky-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 80px);
  /* Accounts for header + sticky cat-nav */
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.faq-sidebar-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.faq-sidebar-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--spacing-lg);
}

.faq-popular-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-popular-links button {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  text-align: left;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  line-height: 1.5;
}

.faq-popular-links button:hover {
  color: var(--color-primary);
}

.faq-popular-links__chevron {
  flex-shrink: 0;
  margin-top: 3px;
  opacity: 0.4;
}

/* WhatsApp card */
.faq-wa-card {
  background: #FFFBF5;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.faq-wa-card__icon {
  color: #F59E0B;
  margin-bottom: 12px;
}

.faq-wa-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.faq-wa-card__desc {
  font-size: var(--font-size-sm);
  color: #6B7280;
  line-height: 1.5;
  margin-bottom: var(--spacing-lg);
}

.faq-wa-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  background: #F59E0B;
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.faq-wa-btn:hover {
  background: #D97706;
  color: white;
  text-decoration: none;
}

.faq-mt {
  margin-top: var(--spacing-2xl);
}