/* ============================================
   반디엔틱 (BANDIENTIG) Design System
   1인 전문 청소업체 웹사이트
   ============================================ */

/* --- Google Fonts --- */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ============================================
   1. CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors */
  --color-primary: #1B4FD8;
  --color-primary-dark: #1640B0;
  --color-primary-light: #3B6FE8;
  --color-secondary: #FFFFFF;
  --color-accent: #00C48C;
  --color-accent-dark: #00A876;
  --color-accent-light: #00D99A;
  --color-bg: #F4F7FF;
  --color-bg-off: #F0F3FA;
  --color-text: #1A2236;
  --color-text-secondary: #4A5568;
  --color-text-light: #718096;
  --color-border: #E2E8F0;
  --color-card-shadow: rgba(27, 79, 216, 0.08);

  /* Typography */
  --font-primary: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Pretendard', 'Inter', sans-serif;

  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(27, 79, 216, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 30px rgba(27, 79, 216, 0.12), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 50px rgba(27, 79, 216, 0.15), 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-nav: 0 2px 20px rgba(27, 79, 216, 0.06);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1200px;
  --nav-height: 72px;
}

/* ============================================
   2. Base Reset & Globals
   ============================================ */
*,
*::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-primary);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-secondary);
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

/* ============================================
   3. Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

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

.section--primary {
  background-color: var(--color-primary);
  color: var(--color-secondary);
}

/* ============================================
   4. Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition-base);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  box-shadow: var(--shadow-nav);
  border-bottom-color: var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-primary);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  overflow: hidden;
}

.nav__logo-img {
  width: 40px !important;
  height: 40px !important;
  max-width: 40px !important;
  max-height: 40px !important;
  min-width: 40px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

/* ============================================
   NEW: Stats Bar
   ============================================ */
.stats-bar {
  padding: var(--space-12) 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stats-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stats-bar__number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stats-bar__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ============================================
   NEW: Trust Banner
   ============================================ */
.trust-banner {
  padding: var(--space-16) 0;
  background: white;
}

.trust-banner__inner {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

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

.trust-banner__logo img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(27, 79, 216, 0.12));
}

.trust-banner__content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.trust-banner__content p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================
   NEW: Equipment Grid
   ============================================ */
.equip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.equip-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.equip-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.equip-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(0, 196, 140, 0.1), rgba(0, 196, 140, 0.05));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.equip-item__icon svg {
  width: 20px;
  height: 20px;
}

.equip-item__text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* ============================================
   NEW: Service Detail Tags
   ============================================ */
.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.card__tag {
  padding: 4px 10px;
  background: var(--color-bg);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* ============================================
   NEW: FAQ Section
   ============================================ */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__title {
  text-align: center;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-10);
  color: var(--color-text);
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) 0;
}

.faq__q {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.faq__q::before {
  content: 'Q.';
  color: var(--color-primary);
  font-weight: 700;
}

.faq__a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding-top: var(--space-3);
  padding-left: var(--space-8);
}

/* ============================================
   NEW: Footer Logo
   ============================================ */
.footer__logo-img {
  width: 48px !important;
  height: 48px !important;
  max-width: 48px !important;
  max-height: 48px !important;
  object-fit: contain;
  margin: 0 auto var(--space-3);
  display: block;
}

/* ============================================
   NEW: Section Title Utility
   ============================================ */
.section-title {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title__label {
  display: inline-flex;
  padding: 6px 16px;
  background: rgba(27, 79, 216, 0.08);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.section-title__heading {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.section-title__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 550px;
  margin: 0 auto;
}

/* Tablet responsive for new components */
@media (max-width: 768px) {
  .stats-bar__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

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

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

@media (max-width: 480px) {
  .stats-bar__inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav__link:hover {
  color: var(--color-primary);
  background-color: var(--color-bg);
}

.nav__link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.nav__cta {
  margin-left: var(--space-4);
}

/* Mobile Menu */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text);
}

.nav__toggle svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   5. Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn--accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: white;
  border-color: var(--color-accent);
  box-shadow: 0 4px 14px rgba(0, 196, 140, 0.3);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 196, 140, 0.4);
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
}

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

.btn--outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(27, 79, 216, 0.3);
}

.btn--outline-white {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-white:hover {
  background: white;
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--white {
  background: white;
  color: var(--color-primary);
  border-color: white;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

.btn--lg {
  padding: 16px 36px;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-group {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================
   6. Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: linear-gradient(165deg, #FFFFFF 0%, var(--color-bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 196, 140, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(27, 79, 216, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero__content {
  max-width: 560px;
}

.hero__heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero__heading span {
  color: var(--color-primary);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.hero__badges {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(0, 196, 140, 0.25);
  /* Animation initial state */
  opacity: 0;
  transform: scale(0.5) translateY(10px);
}

.badge.animated {
  animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.badge:nth-child(2).animated {
  animation-delay: 0.15s;
}

.badge:nth-child(3).animated {
  animation-delay: 0.3s;
}

.badge svg {
  width: 14px;
  height: 14px;
}

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

.hero__image img {
  max-width: 480px;
  width: 100%;
  filter: drop-shadow(0 20px 40px rgba(27, 79, 216, 0.1));
}

.hero__image-bg {
  position: absolute;
  width: 420px;
  height: 420px;
  background: linear-gradient(135deg, rgba(27, 79, 216, 0.06), rgba(0, 196, 140, 0.06));
  border-radius: 50%;
  z-index: -1;
}

/* ============================================
   7. Page Header (Sub-pages)
   ============================================ */
.page-header {
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
  background: linear-gradient(165deg, var(--color-bg) 0%, #FFFFFF 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(27, 79, 216, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.page-header__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  background: rgba(27, 79, 216, 0.08);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
}

.page-header__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.page-header__desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   8. Cards
   ============================================ */
.cards-grid {
  display: grid;
  gap: var(--space-8);
}

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

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

.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card:hover::before {
  opacity: 1;
}

.card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-bg), rgba(27, 79, 216, 0.08));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.card:hover .card__icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
}

.card__icon svg {
  width: 28px;
  height: 28px;
}

.card__icon--accent {
  background: linear-gradient(135deg, rgba(0, 196, 140, 0.1), rgba(0, 196, 140, 0.05));
  color: var(--color-accent);
}

.card:hover .card__icon--accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: white;
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.card__desc li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
}

.card__desc li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ============================================
   9. Process Flow (6-step)
   ============================================ */
.process {
  margin-top: var(--space-16);
}

.process__title {
  text-align: center;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-12);
  letter-spacing: -0.02em;
}

.process__flow {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  position: relative;
}

.process__flow::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 40px;
  right: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  z-index: 0;
}

.process__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  position: relative;
  z-index: 1;
}

.process__step-num {
  width: 56px;
  height: 56px;
  background: white;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  transition: all var(--transition-base);
}

.process__step-num svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.process__step:hover .process__step-num {
  background: var(--color-accent);
  transform: scale(1.1);
}

.process__step:hover .process__step-num svg {
  color: white;
}

.process__step-text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  max-width: 120px;
  line-height: 1.5;
}

/* ============================================
   10. Two Column Section (How We Work)
   ============================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.two-col__heading {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.two-col__heading span {
  color: var(--color-primary);
}

.two-col__desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Checklist */
.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.checklist__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.checklist__item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.checklist__check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 196, 140, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.checklist__item.checked .checklist__check {
  background: var(--color-accent);
  color: white;
}

.checklist__check svg {
  width: 16px;
  height: 16px;
  opacity: 0;
  transform: scale(0);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.checklist__item.checked .checklist__check svg {
  opacity: 1;
  transform: scale(1);
}

.checklist__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  padding-top: 2px;
}

/* ============================================
   11. Pricing Section
   ============================================ */
.pricing {
  padding: var(--space-24) 0;
  background: linear-gradient(165deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.pricing::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 196, 140, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.pricing__label {
  display: inline-flex;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.pricing__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.pricing__sub {
  font-size: var(--text-base);
  opacity: 0.8;
  max-width: 500px;
  margin: 0 auto;
}

.pricing__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  position: relative;
  z-index: 1;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.pricing-card__type {
  font-size: var(--text-sm);
  font-weight: 600;
  opacity: 0.9;
  margin-bottom: var(--space-2);
}

.pricing-card__area {
  font-size: var(--text-xs);
  opacity: 0.7;
  margin-bottom: var(--space-6);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  color: var(--color-accent-light);
}

.pricing-card__unit {
  font-size: var(--text-sm);
  opacity: 0.7;
}

.pricing__note {
  text-align: center;
  font-size: var(--text-sm);
  opacity: 0.75;
  margin-bottom: var(--space-10);
}

.pricing__reasons {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.pricing__reason {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  opacity: 0.9;
}

.pricing__reason-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ============================================
   12. Difference / Comparison Section
   ============================================ */
.diff {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.diff__heading {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  text-align: center;
  line-height: 1.4;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-12);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.diff__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

.diff-card {
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-base);
}

.diff-card--other {
  background: white;
}

.diff-card--brand {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}

.diff-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
  opacity: 0.7;
}

.diff-card--brand .diff-card__label {
  opacity: 0.9;
}

.diff-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.diff-card__list {
  font-size: var(--text-sm);
  line-height: 2;
  color: var(--color-text-secondary);
}

.diff-card--brand .diff-card__list {
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   13. Footer
   ============================================ */
.footer {
  background: white;
  border-top: 3px solid var(--color-primary);
  padding: var(--space-12) 0 var(--space-8);
}

.footer__inner {
  text-align: center;
}

.footer__logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.footer__info {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: var(--space-6);
}

.footer__info span {
  margin: 0 var(--space-2);
}

.footer__divider {
  width: 60px;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-6) auto;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* ============================================
   14. Scroll Animations
   ============================================ */
@keyframes popIn {
  0% {
    opacity: 0;
    transform: scale(0.5) translateY(10px);
  }

  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  0% {
    opacity: 0;
    transform: translateX(-30px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  0% {
    opacity: 0;
    transform: translateX(30px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes checkIn {
  0% {
    opacity: 0;
    transform: scale(0) rotate(-45deg);
  }

  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

/* Animate on scroll */
.anim {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim.visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-delay-1 {
  transition-delay: 0.1s;
}

.anim-delay-2 {
  transition-delay: 0.2s;
}

.anim-delay-3 {
  transition-delay: 0.3s;
}

.anim-delay-4 {
  transition-delay: 0.4s;
}

.anim-delay-5 {
  transition-delay: 0.5s;
}

/* ============================================
   15. Responsive Breakpoints
   ============================================ */

/* Tablet (768px) */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    gap: var(--space-1);
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    width: 100%;
    text-align: center;
    padding: var(--space-3) var(--space-4);
  }

  .nav__cta {
    margin-left: 0;
    width: 100%;
  }

  .nav__cta .btn {
    width: 100%;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__heading {
    text-align: center;
  }

  .hero__badges {
    justify-content: center;
  }

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

  .hero__image {
    order: -1;
  }

  .hero__image img {
    max-width: 320px;
  }

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

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

  .process__flow {
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
  }

  .process__flow::before {
    top: 0;
    bottom: 0;
    left: 28px;
    right: auto;
    width: 2px;
    height: auto;
  }

  .process__step {
    flex-direction: row;
    text-align: left;
    gap: var(--space-4);
  }

  .process__step-text {
    max-width: none;
  }

  .pricing__cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

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

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

/* Mobile (375px) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero__heading {
    font-size: 1.75rem;
  }

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

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
  }

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

  .card {
    padding: var(--space-8);
  }

  .page-header {
    padding: calc(var(--nav-height) + var(--space-10)) 0 var(--space-10);
  }

  .footer__info span {
    display: block;
    margin: 0;
  }
}