/* ============================================
   Alabaster ADU - Main Stylesheet
   ============================================ */

/* === CSS Variables === */
:root {
  --color-navy: #1a2640;
  --color-navy-light: #243352;
  --color-charcoal: #2d3748;
  --color-green-dark: #1e3a2f;
  --color-green: #2d6a4f;
  --color-green-light: #3a8a65;
  --color-gold: #c9a84c;
  --color-gold-light: #d4b86a;
  --color-beige: #f5f0e8;
  --color-ivory: #faf8f4;
  --color-warm-gray: #e8e4dc;
  --color-gray-100: #f7f7f7;
  --color-gray-200: #eeeeee;
  --color-gray-400: #9e9e9e;
  --color-gray-600: #666666;
  --color-gray-800: #333333;
  --color-white: #ffffff;
  --color-text-primary: #1a2640;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;

  --font-heading: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-body: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);

  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 28px;

  --transition: all 0.3s ease;
  --max-width: 1240px;
  --section-padding: 100px 0;
  --section-padding-mobile: 60px 0;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: var(--section-padding);
}

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

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

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

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

/* === Typography === */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 12px;
  padding: 4px 12px;
  background: rgba(45,106,79,0.08);
  border-radius: 20px;
}

.section-label--light {
  color: var(--color-gold-light);
  background: rgba(201,168,76,0.15);
}

.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-navy);
  margin-bottom: 20px;
}

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

.section-desc {
  font-size: 17px;
  color: var(--color-text-secondary);
  max-width: 660px;
  line-height: 1.75;
  margin-bottom: 56px;
}

.section-desc--white {
  color: rgba(255,255,255,0.78);
}

.section-header {
  margin-bottom: 56px;
}

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

.section-header--center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-green);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(45,106,79,0.30);
}

.btn-primary:hover {
  background: var(--color-green-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45,106,79,0.40);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}

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

.btn-lg {
  padding: 18px 36px;
  font-size: 16px;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

/* === Cards === */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(45,106,79,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 24px;
  color: var(--color-green);
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* === Grid === */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
  height: 80px;
}

/* 항상 흰 배경이므로 lang 버튼은 항상 어두운 색으로 */
.lang-toggle {
  background: rgba(26,38,64,0.07) !important;
  border: 1px solid rgba(26,38,64,0.15) !important;
}
.lang-btn {
  color: var(--color-text-secondary) !important;
}
.lang-btn.active {
  background: var(--color-green) !important;
  color: #fff !important;
}
.lang-divider {
  color: var(--color-gray-400) !important;
}

#header.scrolled {
  border-bottom-color: var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--color-navy);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -1px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.3px;
}

.logo-sub {
  font-size: 10px;
  font-weight: 500;
  color: var(--color-green);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-navy);
  background: var(--color-gray-100);
}

.nav-cta {
  margin-left: 12px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 700;
  background: var(--color-green);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--color-green-light);
  transform: translateY(-1px);
}

/* ── Nav Right (lang + hamburger wrapper) ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Language Toggle ── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  padding: 3px 6px;
  transition: background 0.3s, border-color 0.3s;
}
/* scrolled 상태 (기존과 동일) */
header.scrolled .lang-toggle {
  background: rgba(26, 38, 64, 0.07);
  border-color: rgba(26, 38, 64, 0.15);
}
.lang-btn {
  background: none;
  border: none;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  color: rgba(255, 255, 255, 0.85);   /* 기본: 흰색 계열 (투명 헤더용) */
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 14px;
  transition: all 0.2s;
}
header.scrolled .lang-btn {
  color: var(--color-text-muted);     /* 스크롤 후: 어두운 색 */
}
.lang-btn:hover {
  color: #fff;
}
header.scrolled .lang-btn:hover {
  color: var(--color-navy);
}
.lang-btn.active {
  background: var(--color-green);
  color: #fff !important;
}
header.scrolled .lang-btn.active {
  background: var(--color-navy);
  color: #fff !important;
}
.lang-divider {
  color: rgba(255, 255, 255, 0.4);
  font-size: 11px;
  transition: color 0.3s;
}
header.scrolled .lang-divider {
  color: var(--color-gray-400);
}
.mobile-lang-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: 8px;
}
.mobile-lang-row .lang-btn { color: rgba(255,255,255,0.7); font-size: 14px; }
.mobile-lang-row .lang-btn--active { background: rgba(255,255,255,0.2); color: #fff !important; }
.mobile-lang-row .lang-divider { color: rgba(255,255,255,0.4); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: 32px 24px;
  z-index: 999;
  overflow-y: auto;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-nav-link {
  padding: 16px 20px;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
  border-radius: var(--border-radius-sm);
  border-bottom: 1px solid var(--color-gray-200);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  background: var(--color-gray-100);
}

.mobile-nav-cta {
  margin-top: 16px;
  padding: 18px;
  font-size: 17px;
  font-weight: 700;
  background: var(--color-green);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  text-align: center;
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  padding: 160px 0 100px;
  background: linear-gradient(150deg, #f8f5f0 0%, #eef3ef 50%, #f0f5f2 100%);
  overflow: hidden;
  position: relative;
}

#hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(45,106,79,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-green);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding: 6px 14px;
  background: rgba(45,106,79,0.08);
  border-radius: 20px;
  border: 1px solid rgba(45,106,79,0.15);
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-green);
  border-radius: 50%;
}

.hero-h1 {
  font-size: clamp(34px, 4.5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-navy);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-h1 em {
  font-style: normal;
  color: var(--color-green);
  position: relative;
}

.hero-h1 em::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-green);
  opacity: 0.25;
  border-radius: 2px;
}

.hero-desc {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
}

.badge i {
  color: var(--color-green);
  font-size: 14px;
}

.badge--highlight {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.badge--highlight i {
  color: var(--color-gold);
}

/* Hero Visual */
.hero-visual {
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #2d6a4f 0%, #1a2640 100%);
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.hero-image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(26,38,64,0.35) 100%
  );
  pointer-events: none;
  border-radius: var(--border-radius-xl);
}

.hero-image-wrap:hover img {
  transform: scale(1.03);
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  text-align: center;
  padding: 40px;
}

.hero-image-placeholder .house-icon {
  font-size: 72px;
  opacity: 0.6;
}

.hero-process-card {
  position: absolute;
  bottom: -20px;
  left: -24px;
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  min-width: 200px;
}

.hero-process-card .card-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-green);
  margin-bottom: 8px;
}

.process-mini-steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.process-mini-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.process-mini-step .step-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-green);
  color: white;
  font-size: 10px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-badge-float {
  position: absolute;
  top: 20px;
  right: -16px;
  background: var(--color-gold);
  color: var(--color-white);
  padding: 10px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

/* ============================================
   ADU INTRO SECTION
   ============================================ */
#about-adu {
  padding: var(--section-padding);
}

.adu-feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  background: var(--color-ivory);
  border-radius: var(--border-radius-md);
  padding: 24px;
  border: 1px solid var(--color-warm-gray);
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(45,106,79,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-green);
  margin-bottom: 14px;
}

.feature-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.feature-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   WHY NOW SECTION
   ============================================ */
#why-adu {
  padding: var(--section-padding);
}

.why-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: 32px;
  border: 1px solid var(--color-gray-200);
  transition: var(--transition);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.why-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(45,106,79,0.2);
  transform: translateY(-2px);
}

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(45,106,79,0.12) 0%, rgba(26,38,64,0.06) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--color-green);
  flex-shrink: 0;
}

.why-content {
  flex: 1;
}

.why-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.why-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   WA STATE LAW SECTION
   ============================================ */
#wa-law {
  padding: var(--section-padding);
}

.law-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.law-description {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.law-checklist {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.law-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.law-item:hover {
  background: rgba(45,106,79,0.04);
  border-color: rgba(45,106,79,0.12);
}

.law-item.active {
  background: rgba(45,106,79,0.06);
  border-color: rgba(45,106,79,0.18);
}

.law-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.law-item-content {}

.law-item-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.law-item-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.law-note-box {
  margin-top: 28px;
  padding: 20px 24px;
  background: var(--color-beige);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--color-gold);
}

.law-note-box h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.law-note-box p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.law-cta-wrap {
  margin-top: 28px;
}

/* ============================================
   ADU TYPES SECTION
   ============================================ */
#adu-types {
  padding: var(--section-padding);
}

.type-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.type-card {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  transition: var(--transition);
  cursor: pointer;
}

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

.type-card-image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #2d6a4f 0%, #1a2640 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.type-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.type-card:hover .type-card-image img {
  transform: scale(1.05);
}

.type-card-image .type-illustration {
  font-size: 64px;
  opacity: 0.5;
  color: rgba(255,255,255,0.8);
}

.type-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.92);
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.5px;
  z-index: 2;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.type-card-body {
  padding: 20px;
}

.type-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.type-card-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}

.type-card-fit {
  font-size: 12px;
  color: var(--color-green);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================
   USE CASES SECTION
   ============================================ */
#use-cases {
  padding: var(--section-padding);
}

.usecase-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.usecase-card {
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: 28px;
  border: 1px solid var(--color-gray-200);
  transition: var(--transition);
  position: relative;
}

.usecase-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.usecase-label {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.label-rental { background: rgba(45,106,79,0.10); color: var(--color-green); }
.label-family { background: rgba(26,38,64,0.08); color: var(--color-navy); }
.label-privacy { background: rgba(201,168,76,0.12); color: #8b6914; }
.label-flex { background: rgba(100,40,200,0.08); color: #5a25b0; }
.label-asset { background: rgba(200,60,60,0.08); color: #a03333; }

.usecase-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.usecase-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.usecase-icon {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 28px;
  opacity: 0.15;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
#process {
  padding: var(--section-padding);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 860px;
}

.process-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding-bottom: 40px;
  position: relative;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 23px;
  top: 56px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-green), rgba(45,106,79,0.1));
}

.step-number-wrap {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(26,38,64,0.25);
}

.process-step:nth-child(even) .step-number {
  background: var(--color-green);
  box-shadow: 0 4px 12px rgba(45,106,79,0.30);
}

.step-content {
  flex: 1;
  padding-top: 10px;
}

.step-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.step-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.step-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--color-ivory);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-warm-gray);
}

.step-check i {
  color: var(--color-green);
  font-size: 11px;
}

/* ============================================
   CHECKLIST SECTION
   ============================================ */
#checklist {
  padding: var(--section-padding);
}

.checklist-intro {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 48px;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.checklist-item:hover {
  border-color: var(--color-green);
  background: rgba(45,106,79,0.03);
}

.checklist-item input[type="checkbox"] {
  display: none;
}

.checklist-box {
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-gray-400);
  border-radius: 5px;
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.checklist-item.checked .checklist-box {
  background: var(--color-green);
  border-color: var(--color-green);
  color: white;
}

.checklist-text {}

.checklist-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 3px;
}

.checklist-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}

.checklist-cta {
  text-align: center;
  padding: 40px;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border-radius: var(--border-radius-lg);
  color: var(--color-white);
}

.checklist-cta h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.checklist-cta p {
  font-size: 15px;
  opacity: 0.75;
  margin-bottom: 24px;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
#services {
  padding: var(--section-padding);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  padding: 32px 28px;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(45,106,79,0.18);
  transform: translateY(-3px);
}

.service-card.highlight {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border-color: transparent;
  color: var(--color-white);
}

.service-card.highlight .card-title,
.service-card.highlight .service-title {
  color: var(--color-white);
}

.service-card.highlight .service-desc {
  color: rgba(255,255,255,0.75);
}

.service-card.highlight .service-icon {
  background: rgba(255,255,255,0.12);
  color: var(--color-gold);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(45,106,79,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--color-green);
  margin-bottom: 20px;
}

.service-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.service-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   FAQ SECTION
   ============================================ */
#faq {
  padding: var(--section-padding);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(45,106,79,0.25);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--color-white);
  transition: var(--transition);
  gap: 16px;
}

.faq-question:hover {
  background: var(--color-ivory);
}

.faq-item.active .faq-question {
  background: rgba(45,106,79,0.04);
}

.faq-q-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
  flex: 1;
}

.faq-toggle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.active .faq-toggle {
  background: var(--color-green);
  color: white;
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  border-top: 1px solid var(--color-gray-200);
}

.faq-answer p {
  padding-top: 16px;
}

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

.faq-cta {
  text-align: center;
  margin-top: 40px;
}

.faq-cta p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
#contact {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-navy) 100%);
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

#contact::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.contact-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.contact-title {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.2;
}

.contact-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.72);
  max-width: 580px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.contact-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 40px;
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}

.contact-info-item i {
  color: var(--color-gold-light);
  font-size: 15px;
}

/* ============================================
   CONTACT FORM MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: 48px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--color-gray-200);
}

.modal-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-family: inherit;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-primary);
  background: var(--color-white);
  transition: var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(45,106,79,0.10);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  background: var(--color-green);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

.form-submit:hover {
  background: var(--color-green-light);
}

.form-note {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 12px;
}

/* ============================================
   DISCLAIMER + FOOTER
   ============================================ */
.disclaimer {
  padding: 28px 40px;
  background: var(--color-gray-100);
  border-top: 1px solid var(--color-gray-200);
}

.disclaimer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.disclaimer p {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

#footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 32px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo-mark {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-weight: 900;
  font-size: 16px;
}

.footer-logo-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-white);
}

.footer-tagline {
  font-size: 13px;
  line-height: 1.65;
  margin-bottom: 20px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.footer-contact-item i {
  color: var(--color-gold-light);
  width: 16px;
  flex-shrink: 0;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal-link {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  transition: var(--transition);
}

.footer-legal-link:hover {
  color: rgba(255,255,255,0.7);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
  .law-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  :root {
    --section-padding: 72px 0;
  }

  .nav-menu {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    order: -1;
  }

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

  .why-cards {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 640px) {
  :root {
    --section-padding: 56px 0;
  }

  .container, .nav-inner, .hero-inner, .contact-inner, .footer-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-h1 {
    font-size: 30px;
  }

  .hero-cta-group {
    flex-direction: column;
  }

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

  .adu-feature-cards {
    grid-template-columns: 1fr;
  }

  .type-cards {
    grid-template-columns: 1fr;
  }

  .usecase-cards {
    grid-template-columns: 1fr;
  }

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

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

  .contact-cta-group {
    flex-direction: column;
    align-items: center;
  }

  .contact-cta-group .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

  .modal {
    padding: 32px 24px;
  }

  .hero-badge-float {
    display: none;
  }

  .hero-process-card {
    display: none;
  }

  .disclaimer {
    padding: 20px;
  }
}

/* === Utility === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }

/* === Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease both;
}

.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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