/* ============================================================
   LP-07: Mansion/Apartment Selling Assessment LP
   Navy x Orange Professional Design
   ============================================================ */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --c-primary: #1E40AF;
  --c-primary-dark: #1E3A8A;
  --c-primary-light: #3B82F6;
  --c-accent: #F97316;
  --c-accent-light: #FB923C;
  --c-accent-dark: #EA580C;
  --c-bg: #FFFFFF;
  --c-bg-alt: #EFF6FF;
  --c-text: #1F2937;
  --c-text-muted: #6B7280;
  --c-text-light: #9CA3AF;
  --c-border: #E5E7EB;
  --c-border-light: #F3F4F6;
  --c-success: #10B981;
  --c-error: #EF4444;

  /* Typography */
  --ff-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --ff-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-hero: clamp(32px, 5vw, 52px);
  --fs-h2: clamp(26px, 3.5vw, 38px);
  --fs-h3: clamp(18px, 2.5vw, 22px);
  --fs-body: 16px;
  --fs-small: 14px;
  --fs-caption: 12px;

  --lh-heading: 1.35;
  --lh-body: 1.8;

  /* Spacing */
  --sp-section: clamp(80px, 10vw, 120px);
  --sp-group: clamp(40px, 5vw, 64px);
  --sp-element: clamp(16px, 2vw, 24px);

  /* Layout */
  --max-width: 1200px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-orange: 0 4px 20px rgba(249, 115, 22, 0.3);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease-in-out);
  --transition-base: 0.3s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
}

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

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

body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-text);
  background-color: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 0;
  animation: bodyFadeIn 0.8s var(--ease-out) 0.1s forwards;
}

@keyframes bodyFadeIn {
  to { opacity: 1; }
}

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

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

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

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

.sp-only {
  display: none;
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Section Base --- */
.section {
  padding: var(--sp-section) 0;
}

.section-label {
  font-family: var(--ff-heading);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-family: var(--ff-body);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: var(--lh-heading);
  color: var(--c-text);
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--c-text-muted);
  text-align: center;
  margin-bottom: var(--sp-group);
}

/* --- Scroll Animation --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-item:nth-child(1) { transition-delay: 0s; }
.stagger-item:nth-child(2) { transition-delay: 0.1s; }
.stagger-item:nth-child(3) { transition-delay: 0.15s; }
.stagger-item:nth-child(4) { transition-delay: 0.2s; }
.stagger-item:nth-child(5) { transition-delay: 0.25s; }
.stagger-item:nth-child(6) { transition-delay: 0.3s; }

/* --- Logo --- */
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--ff-heading);
  font-weight: 800;
  font-size: 18px;
  border-radius: 50%;
}

.logo-text {
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 17px;
  margin-left: 10px;
  letter-spacing: -0.3px;
}

/* ============================================================
   FIXED HEADER
   ============================================================ */
.fixed-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 var(--c-border);
  transform: translateY(-100%);
  transition: transform 0.4s var(--ease-out);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.fixed-header.is-visible {
  transform: translateY(0);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  color: var(--c-primary);
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: center;
}

.header-nav-link {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-text);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.header-nav-link:hover {
  color: var(--c-primary);
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--c-accent);
  color: #fff;
  font-size: var(--fs-small);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.header-cta-btn:hover {
  background: var(--c-accent-dark);
  transform: translateY(-1px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.mobile-menu-btn.is-active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Panel */
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--c-border);
  padding: 16px 24px 24px;
}

.mobile-menu.is-active {
  display: block;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu-link {
  display: block;
  padding: 12px 16px;
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.mobile-menu-link:hover {
  background: var(--c-bg-alt);
}

.mobile-menu-link--cta {
  margin-top: 8px;
  background: var(--c-accent);
  color: #fff;
  text-align: center;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.mobile-menu-link--cta:hover {
  background: var(--c-accent-dark);
}

/* ============================================================
   HERO (Section 1)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?w=1200&q=80') center/cover no-repeat;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(30, 64, 175, 0.92) 0%,
    rgba(30, 64, 175, 0.82) 50%,
    rgba(30, 58, 138, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Hero Top Bar */
.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.hero-logo {
  display: flex;
  align-items: center;
  color: #fff;
}

.logo-icon--hero {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-small);
  transition: color var(--transition-fast);
}

.hero-phone:hover {
  color: var(--c-accent-light);
}

/* Hero Main */
.hero-main {
  display: flex;
  align-items: center;
  gap: 60px;
  flex: 1;
  padding: 40px 0 60px;
}

.hero-left {
  flex: 1;
  min-width: 0;
}

.hero-label {
  display: inline-block;
  background: rgba(249, 115, 22, 0.9);
  color: #fff;
  font-size: var(--fs-small);
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-headline {
  font-family: var(--ff-body);
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 20px;
}

.hero-accent {
  color: var(--c-accent-light);
  position: relative;
}

.hero-accent::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--c-accent);
  border-radius: 2px;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  font-weight: 400;
  line-height: 1.7;
}

/* Hero Badges */
.hero-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: #fff;
  transition: background var(--transition-fast);
}

.badge:hover {
  background: rgba(255, 255, 255, 0.18);
}

.badge svg {
  flex-shrink: 0;
  stroke: var(--c-accent-light);
}

.badge-number {
  display: block;
  font-weight: 700;
  font-size: var(--fs-small);
  line-height: 1.2;
}

.badge-label {
  display: block;
  font-size: var(--fs-caption);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.2;
}

/* Hero Right: Form Card */
.hero-right {
  flex: 0 0 420px;
}

.hero-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.form-card-header {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-dark) 100%);
  padding: 20px 28px;
  text-align: center;
}

.form-card-title {
  font-family: var(--ff-body);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.form-card-sub {
  font-size: var(--fs-caption);
  color: rgba(255, 255, 255, 0.85);
}

.assessment-form {
  padding: 24px 28px 28px;
}

/* --- Form Styles (shared) --- */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-text);
  margin-bottom: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  color: var(--c-text);
  background: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--c-text-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row--half .form-group {
  flex: 1;
}

/* Primary Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-dark) 100%);
  color: #fff;
  font-size: var(--fs-body);
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  text-align: center;
  letter-spacing: 0.5px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
  background: linear-gradient(135deg, var(--c-accent-light) 0%, var(--c-accent) 100%);
}

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

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 17px;
}

.btn-submit--large {
  padding: 18px 40px;
  font-size: 18px;
  width: auto;
  min-width: 320px;
}

.form-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-top: 12px;
  font-size: var(--fs-caption);
  color: var(--c-text-muted);
}

.form-note--light {
  color: rgba(255, 255, 255, 0.6);
}

.form-note svg {
  flex-shrink: 0;
}

/* ============================================================
   FLOW (Section 2)
   ============================================================ */
.section--flow {
  background: var(--c-bg-alt);
}

.flow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
}

.flow-step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
  max-width: 250px;
}

.flow-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--ff-heading);
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 16px;
}

.flow-step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 64, 175, 0.06);
  border-radius: 50%;
  color: var(--c-primary);
}

.flow-step-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}

.flow-step-desc {
  font-size: var(--fs-small);
  color: var(--c-text-muted);
  line-height: 1.7;
}

.flow-step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 52px;
  color: var(--c-primary-light);
  flex-shrink: 0;
}

/* ============================================================
   USE CASES (Section 3)
   ============================================================ */
.section--usecases {
  background: var(--c-bg);
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.usecase-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  border: 1px solid var(--c-border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.usecase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

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

.usecase-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg-alt);
  border-radius: 50%;
  color: var(--c-primary);
}

.usecase-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 12px;
}

.usecase-desc {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.7;
}

/* ============================================================
   NUMBERS (Section 4)
   ============================================================ */
.section--numbers {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  padding: clamp(60px, 8vw, 100px) 0;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.number-item {
  color: #fff;
  padding: 20px;
}

.number-value {
  font-family: var(--ff-heading);
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 800;
  line-height: 1;
  color: #fff;
  display: block;
}

.number-unit {
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  color: var(--c-accent-light);
  margin-left: 2px;
}

.number-label {
  display: block;
  font-size: var(--fs-body);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
  font-weight: 400;
}

/* ============================================================
   TESTIMONIALS (Section 5)
   ============================================================ */
.section--testimonials {
  background: var(--c-bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--c-border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--c-bg-alt);
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
}

.testimonial-detail {
  font-size: var(--fs-caption);
  color: var(--c-text-muted);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 14px;
  color: var(--c-accent);
}

.testimonial-quote {
  font-size: var(--fs-small);
  color: var(--c-text);
  line-height: 1.8;
  margin-bottom: 16px;
  position: relative;
  padding-left: 0;
}

.testimonial-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--c-bg-alt);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--c-accent);
}

.result-label {
  font-size: var(--fs-caption);
  font-weight: 500;
  color: var(--c-text-muted);
  white-space: nowrap;
}

.result-value {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--c-accent-dark);
}

/* ============================================================
   TRUST (Section 6)
   ============================================================ */
.section--trust {
  background: var(--c-bg);
}

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

.trust-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--c-border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.trust-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg-alt);
  border-radius: 50%;
  color: var(--c-primary);
}

.trust-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 10px;
}

.trust-desc {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.7;
}

/* ============================================================
   FAQ (Section 7)
   ============================================================ */
.section--faq {
  background: var(--c-bg-alt);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1px solid var(--c-border-light);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  transition: color var(--transition-fast);
  background: none;
  border: none;
  font-family: inherit;
}

.faq-question:hover {
  color: var(--c-primary);
}

.faq-chevron {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--c-text-muted);
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

.faq-item.is-open .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: var(--fs-small);
  color: var(--c-text-muted);
  line-height: 1.8;
}

/* ============================================================
   FINAL CTA (Section 8)
   ============================================================ */
.section--cta {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  text-align: center;
}

.cta-urgency {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249, 115, 22, 0.2);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: var(--c-accent-light);
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 24px;
  margin-bottom: 24px;
}

.cta-urgency svg {
  stroke: var(--c-accent-light);
}

.cta-title {
  font-family: var(--ff-body);
  font-size: var(--fs-h2);
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 16px;
}

.cta-sub {
  font-size: clamp(15px, 2vw, 17px);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--sp-group);
  line-height: 1.7;
}

.cta-form-wrap {
  max-width: 720px;
  margin: 0 auto;
}

.cta-form {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.cta-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.cta-form .form-group label {
  color: rgba(255, 255, 255, 0.8);
}

.cta-form .form-group input,
.cta-form .form-group select {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(255, 255, 255, 0.3);
}

.cta-form .form-group input:focus,
.cta-form .form-group select:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25);
  background: #fff;
}

.form-group--full {
  grid-column: 1 / -1;
}

.cta-form-actions {
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0F172A;
  padding: 40px 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon--footer {
  width: 32px;
  height: 32px;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(30, 64, 175, 0.4);
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
}

.footer-company {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

.footer-company-en {
  font-size: var(--fs-caption);
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--ff-heading);
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  font-size: var(--fs-caption);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--c-accent-light);
}

.footer-copy {
  text-align: center;
  font-size: var(--fs-caption);
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base), background var(--transition-fast);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--c-accent);
  transform: translateY(-3px);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30, 64, 175, 0.5);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 24px;
}

.modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  max-width: 480px;
  width: 100%;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s var(--ease-out);
  box-shadow: var(--shadow-xl);
}

.modal-overlay.is-active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-icon {
  color: var(--c-success);
  margin-bottom: 20px;
}

.modal-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 12px;
}

.modal-message {
  font-size: var(--fs-small);
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.modal-close {
  min-width: 160px;
}

/* ============================================================
   RESPONSIVE: 1024px
   ============================================================ */
@media (max-width: 1024px) {
  .hero-main {
    gap: 40px;
  }

  .hero-right {
    flex: 0 0 380px;
  }

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

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

  .numbers-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

/* ============================================================
   RESPONSIVE: Tablet (768px)
   ============================================================ */
@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }

  /* Header */
  .header-nav {
    display: none;
  }

  .header-cta-btn {
    display: none;
  }

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

  /* Hero */
  .hero-main {
    flex-direction: column;
    gap: 36px;
    padding: 20px 0 40px;
  }

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

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

  .hero-right {
    flex: none;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
  }

  /* Flow */
  .flow-steps {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .flow-step {
    max-width: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .flow-step-arrow {
    padding-top: 0;
    transform: rotate(90deg);
  }

  /* Use Cases */
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

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

  /* CTA */
  .cta-form-grid {
    grid-template-columns: 1fr;
  }

  .cta-form {
    padding: 28px;
  }

  .btn-submit--large {
    width: 100%;
    min-width: unset;
  }

  /* Footer */
  .footer-main {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}

/* ============================================================
   RESPONSIVE: Mobile (375px / 480px)
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .badge {
    width: 100%;
    max-width: 260px;
  }

  .assessment-form {
    padding: 20px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  /* Use Cases */
  .usecases-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  /* Numbers */
  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .number-item {
    padding: 20px 0;
  }

  .number-item + .number-item {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Trust */
  .trust-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  /* CTA */
  .cta-form {
    padding: 20px;
  }

  .modal-content {
    padding: 32px 24px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}