/**
 * ZERO TECH (hksolution.net) - Modern Enterprise Production Stylesheet
 * Design System: "Sage & Clarity"
 * Responsive, Mobile-First, Performance Optimized
 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

:root {
  /* Surface & Background Canvas */
  --bg-surface: #F4FBF4;
  --bg-surface-lowest: #FFFFFF;
  --bg-surface-low: #EEF5EF;
  --bg-surface-container: #E8F0E9;
  --bg-surface-high: #E3EAE3;
  --bg-surface-highest: #DDE4DE;
  --bg-surface-dim: #D4DCD5;

  /* Primary Tones (Sage Green) */
  --color-primary: #526442;
  --color-primary-container: #8EA27B;
  --color-on-primary: #FFFFFF;
  --color-on-primary-container: #27381A;
  --color-primary-fixed: #D4E9BE;
  --color-primary-fixed-dim: #B8CDA3;

  /* Secondary Tones (Moss Charcoal) */
  --color-secondary: #546250;
  --color-secondary-container: #D5E4CD;
  --color-on-secondary: #FFFFFF;
  --color-on-secondary-container: #586654;
  --color-secondary-fixed: #D8E7D0;

  /* Tertiary Tones (Mint & Accent) */
  --color-tertiary: #006C49;
  --color-tertiary-container: #4DAD82;
  --color-tertiary-fixed: #95F6C6;
  --color-tertiary-mint: #50B085;
  --color-on-tertiary: #FFFFFF;

  /* Typography Neutrals */
  --color-on-surface: #161D19;
  --color-on-surface-variant: #44483F;
  --color-secondary-text: #67736A;
  --color-outline: #75786E;
  --color-outline-variant: #C5C8BC;

  /* WhatsApp Brand */
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #128C7E;

  /* Radii */
  --radius-sm: 0.5rem;   /* 8px */
  --radius-md: 0.75rem;  /* 12px */
  --radius-lg: 1rem;     /* 16px */
  --radius-2xl: 1.25rem; /* 20px */
  --radius-3xl: 1.5rem;  /* 24px */
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-diffuse: 0 1px 3px rgba(27, 34, 30, 0.03), 0 8px 24px rgba(142, 162, 123, 0.08);
  --shadow-featured: 0 12px 36px rgba(43, 56, 40, 0.08), 0 2px 6px rgba(0, 0, 0, 0.02);
  --shadow-fab: 0 10px 30px rgba(22, 29, 25, 0.18);
  --shadow-modal: 0 20px 50px rgba(0, 0, 0, 0.2);

  /* Gradients */
  --aura-radial: radial-gradient(circle at 50% 20%, rgba(212, 233, 190, 0.45) 0%, rgba(244, 251, 244, 0) 70%);

  /* Fonts */
  --font-family: "Plus Jakarta Sans", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* CSS Reset & Core Standards */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-surface);
  color: var(--color-on-surface);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

/* Material Symbols Integration */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  -webkit-font-smoothing: antialiased;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1200px) {
  .container {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

/* Shared Aesthetics */
.soft-radial-aura {
  background: var(--aura-radial);
}

.card-diffusion {
  background: var(--bg-surface-lowest);
  border: 1px solid rgba(197, 200, 188, 0.4);
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-diffuse);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card-diffusion:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(142, 162, 123, 0.14);
}

.featured-aura {
  background: var(--bg-surface-lowest);
  border: 2px solid var(--color-primary-container);
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-featured);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.featured-aura:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(43, 56, 40, 0.12);
}

/* Buttons */
.btn-pill-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-primary-container);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(142, 162, 123, 0.25);
}

.btn-pill-primary:hover {
  background-color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-pill-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-on-surface);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  transition: all 0.2s ease;
}

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

.btn-pill-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--bg-surface-container);
  color: var(--color-on-surface);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  transition: all 0.2s ease;
}

.btn-pill-secondary:hover {
  background-color: var(--bg-surface-high);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(244, 251, 244, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(197, 200, 188, 0.35);
  height: 72px;
  display: flex;
  align-items: center;
}

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

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--color-primary-container);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
}

.brand-text span {
  font-weight: 400;
  font-size: 0.9375rem;
  color: var(--color-secondary);
  margin-left: 0.25rem;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Dropdown Selector */
.lang-selector {
  position: relative;
  display: inline-block;
}

.lang-selector:hover .lang-dropdown,
.lang-dropdown.show,
.lang-dropdown.active {
  display: flex !important;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-on-surface);
  transition: all 0.2s ease;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background: #FFFFFF;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  padding: 0.5rem;
  display: none;
  flex-direction: column;
  min-width: 120px;
  z-index: 1200;
}

.lang-item {
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  color: var(--color-on-surface);
  transition: background 0.15s ease;
}

.lang-item:hover, .lang-item.active {
  background: var(--bg-surface-container);
  color: var(--color-primary);
  font-weight: 600;
}

/* Mobile Hamburger */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-on-surface);
}

@media (min-width: 992px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Off-Canvas Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 340px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 1100;
  box-shadow: var(--shadow-modal);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1050;
  display: none;
}

.drawer-backdrop.open {
  display: block;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--bg-surface-high);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.drawer-nav a {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-on-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}

/* Hero Section */
.hero-section {
  padding-top: 3.5rem;
  padding-bottom: 4rem;
  text-align: center;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface-lowest);
  border: 1px solid rgba(197, 200, 188, 0.45);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-secondary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 2.25rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-on-surface);
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--color-secondary-text);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.1875rem;
  }
}

/* Segmented Billing Toggle Switch */
.billing-toggle-container {
  display: inline-flex;
  align-items: center;
  background: #EBF0E6;
  border: 1px solid rgba(197, 200, 188, 0.45);
  border-radius: var(--radius-pill);
  padding: 0.25rem;
  margin-bottom: 3rem;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.04);
}

.billing-toggle-btn {
  padding: 0.55rem 1.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
  user-select: none;
}

.billing-toggle-btn:hover {
  color: var(--color-on-surface);
}

.billing-toggle-btn.active {
  background: var(--color-on-surface);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.billing-toggle-btn.active .discount-tag {
  color: #50B085;
}

.discount-tag {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.75rem;
  color: #2F6A4F;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  background: rgba(80, 176, 133, 0.15);
  border-radius: 9999px;
}

/* 3-Column Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  text-align: left;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-badge-popular {
  position: absolute;
  top: -14px;
  right: 28px;
  background: var(--color-on-surface);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.pricing-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-on-surface);
}

.pricing-header p {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
  margin-top: 0.25rem;
}

.pricing-price-wrap {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(197, 200, 188, 0.3);
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.price-num {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-on-surface);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.25s ease;
  display: inline-block;
}

.price-num.price-pulse {
  transform: scale(1.08);
  color: var(--color-primary-variant);
}

.price-unit {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
}

.feature-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
}

.feature-item .material-symbols-outlined {
  color: var(--color-primary-container);
  font-size: 18px;
}

.pricing-cta {
  margin-top: 2rem;
}

.pricing-cta a {
  display: block;
  text-align: center;
  width: 100%;
}

/* About & Trust Section */
.about-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: var(--bg-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  line-height: 1.3;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.375rem;
  }
}

.section-desc {
  font-size: 1rem;
  color: var(--color-secondary-text);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-3xl);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(43, 56, 40, 0.12);
  border: 1px solid rgba(197, 200, 188, 0.4);
}

.contextual-chip {
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(197, 200, 188, 0.4);
  border-radius: var(--radius-pill);
  padding: 0.4rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-on-surface);
  box-shadow: 0 4px 14px rgba(27, 34, 30, 0.08);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.chip-rating {
  bottom: 2rem;
  left: 1.5rem;
}

.chip-growth {
  top: 1.5rem;
  right: 1.5rem;
}

/* Metrics Ribbon */
.metrics-section {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  background-color: var(--bg-surface);
  border-top: 1px solid rgba(197, 200, 188, 0.3);
  border-bottom: 1px solid rgba(197, 200, 188, 0.3);
}

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
    text-align: left;
  }
}

.metric-num {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-on-surface);
  line-height: 1.1;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
  margin-top: 0.35rem;
}

/* Services Grid */
.services-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: var(--bg-surface-low);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  padding: 2rem;
  background: var(--bg-surface-lowest);
  border: 1px solid rgba(197, 200, 188, 0.4);
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-diffuse);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(142, 162, 123, 0.14);
}

.service-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-container);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.service-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap 0.2s ease;
}

.service-link:hover {
  gap: 0.5rem;
}

/* Testimonials */
.testimonials-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: var(--bg-surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 3rem;
}

@media (min-width: 900px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.star-rating {
  color: var(--color-tertiary-mint);
  display: flex;
  gap: 0.15rem;
  margin-bottom: 1rem;
}

.testimonial-quote {
  font-size: 0.9375rem;
  color: var(--color-on-surface-variant);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: normal;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(197, 200, 188, 0.3);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  object-cover: cover;
  border: 1px solid var(--color-outline-variant);
}

.author-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-on-surface);
}

.author-title {
  font-size: 0.8125rem;
  color: var(--color-secondary-text);
}

/* Call To Action Banner (Sage Card) */
.cta-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: var(--bg-surface);
}

.cta-card {
  background-color: #98AB84;
  border-radius: var(--radius-3xl);
  padding: 2.5rem 1.75rem;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(43, 56, 40, 0.15);
}

@media (min-width: 768px) {
  .cta-card {
    padding: 4rem 3.5rem;
  }
}

.cta-decor-circle {
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 320px;
  height: 320px;
  border-radius: var(--radius-pill);
  background: #7D9369;
  opacity: 0.45;
  filter: blur(50px);
  pointer-events: none;
}

.cta-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1rem;
  display: inline-block;
}

.cta-title {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  line-height: 1.3;
  max-width: 650px;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 2.5rem;
  }
}

.cta-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 580px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 576px) {
  .cta-actions {
    flex-direction: row;
    align-items: center;
  }
}

.btn-cta-white {
  background: #FFFFFF;
  color: var(--color-on-surface);
  border-radius: var(--radius-pill);
  padding: 0.875rem 2rem;
  font-weight: 700;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.btn-cta-white:hover {
  background: var(--bg-surface-low);
  transform: translateY(-1px);
}

.btn-cta-glass {
  background: rgba(27, 34, 30, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-pill);
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-cta-glass:hover {
  background: rgba(27, 34, 30, 0.55);
}

/* FAQ Accordion */
.faq-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: var(--bg-surface-low);
}

.faq-list {
  max-width: 820px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-surface-lowest);
  border: 1px solid rgba(197, 200, 188, 0.4);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-diffuse);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-on-surface);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-secondary-text);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-toggle-icon {
  transition: transform 0.2s ease;
}

/* Footer */
.site-footer {
  background-color: var(--color-on-surface);
  color: #DDE4DE;
  padding-top: 4.5rem;
  padding-bottom: 6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .site-footer {
    padding-bottom: 4.5rem;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1.5fr 2fr;
  }
}

.footer-brand h4 {
  font-size: 1.375rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.footer-desc {
  font-size: 0.875rem;
  color: #BCCBB5;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer-col h5 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: #BCCBB5;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact-item {
  display: flex;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: #BCCBB5;
  margin-bottom: 0.75rem;
}

.footer-contact-item .material-symbols-outlined {
  color: var(--color-primary-fixed-dim);
  margin-top: 0.15rem;
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: #75786E;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-legal-links {
  display: flex;
  gap: 1.25rem;
}

.footer-legal-links a:hover {
  color: #BCCBB5;
}

/* Floating WhatsApp Desktop Button */
.floating-whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 950;
  display: none;
  align-items: center;
  gap: 0.625rem;
  background: #1B221E;
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-fab);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.25s ease;
}

@media (min-width: 768px) {
  .floating-whatsapp-fab {
    display: flex;
  }
}

.floating-whatsapp-fab:hover {
  background: var(--color-secondary);
  transform: translateY(-2px) scale(1.02);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  animation: pulse-ring 1.8s infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Mobile Sticky Bottom Action Bar */
.mobile-bottom-bar {
  display: none;
}

@media (max-width: 767px) {
  .mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(197, 200, 188, 0.5);
    padding: 0.5rem 0.5rem calc(0.5rem + env(safe-area-inset-bottom));
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
  }

  .mobile-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    padding: 0.4rem 0.25rem;
    color: var(--color-on-surface);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
  }

  .mobile-action-item.whatsapp-highlight {
    background-color: var(--color-primary-container);
    color: #FFFFFF;
    border-radius: var(--radius-md);
  }
}