/* ==========================================
   TOBE式 業務効率化・DX人材育成プログラム LP
   Design: Premium Light Elegant Aesthetic
   ========================================== */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  /* Light theme colors */
  --color-bg-deep: #ffffff;
  --color-bg: #f8f9fa;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-hover: #f1f3f5;
  
  /* Accent colors - TOBE Brand Orange */
  --color-accent: #eb8c4e;
  --color-accent-bright: #f5a06a;
  --color-accent-dim: #d97a3e;
  --color-accent-glow: rgba(235, 140, 78, 0.08);
  --color-accent-glow-strong: rgba(235, 140, 78, 0.15);
  
  /* Text colors */
  --color-text-primary: #1a1a2e;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-text-dim: #a0aec0;
  
  /* Border & Divider */
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-subtle: rgba(0, 0, 0, 0.04);
  --color-border-accent: rgba(235, 140, 78, 0.3);
  
  /* Fonts */
  --font-jp: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --container-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
  --spacing-3xl: 8rem;
  
  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

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

body {
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle Background Pattern */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(235, 140, 78, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(235, 140, 78, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Gradient Orbs */
body::after {
  content: "";
  position: fixed;
  top: -30%;
  left: -20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(235, 140, 78, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

p {
  line-height: 1.9;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: all 0.3s var(--ease-out-quart);
}

a:hover {
  color: var(--color-accent-bright);
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: #ffffff;
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Scroll Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease-out-expo);
}

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

/* ==========================================
   Header
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  position: relative;
}

.logo img {
  height: 36px;
  width: auto;
  display: block;
  transition: opacity 0.3s ease;
}

.logo:hover img {
  opacity: 0.8;
}

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

.nav a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
}

.nav a::before {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out-quart);
}

.nav a:hover::before {
  width: 100%;
}

.nav a:hover {
  color: var(--color-text-primary);
}

.nav-cta {
  padding: 0.625rem 1.25rem;
  background: linear-gradient(135deg, var(--color-accent-dim), var(--color-accent));
  color: #ffffff !important;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: 0 4px 15px var(--color-accent-glow-strong);
  transition: all 0.3s var(--ease-out-quart);
}

.nav-cta::before {
  display: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--color-accent-glow-strong);
  color: #ffffff !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all 0.3s ease;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
  position: relative;
  padding: calc(72px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 70%;
  height: 100%;
  background: radial-gradient(ellipse at center, var(--color-accent-glow) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  line-height: 1.2;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.9;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

.hero-benefits {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  padding-left: 0;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.hero-benefits li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.875rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.hero-benefits li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.5s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  border-radius: 8px;
  transition: all 0.3s var(--ease-out-quart);
  cursor: pointer;
  border: none;
  font-family: inherit;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-dim), var(--color-accent));
  color: #ffffff;
  box-shadow: 0 4px 20px var(--color-accent-glow-strong);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--color-accent-glow-strong);
  color: #ffffff;
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
  transform: translateY(-3px);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1rem;
}

/* ==========================================
   Section Common
   ========================================== */
section {
  padding: var(--spacing-3xl) 0;
  position: relative;
  z-index: 1;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-sm);
}

.section-tag::before {
  content: "//";
  opacity: 0.5;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

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

.section-lead {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 1rem;
  max-width: 700px;
}

.section-lead-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================
   Problems Section
   ========================================== */
.problems {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.problems-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.problems-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.problem-item {
  position: relative;
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: all 0.4s var(--ease-out-quart);
  overflow: hidden;
}

.problem-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-bright));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.problem-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-accent);
  background: var(--color-bg-hover);
}

.problem-item:hover::before {
  opacity: 1;
}

.problem-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.1em;
}

.problem-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.problem-answer {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding-left: 1rem;
  border-left: 2px solid var(--color-accent);
}

/* ==========================================
   Program Section
   ========================================== */
.program {
  background: var(--color-bg-deep);
}

.program-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-align: center;
  transition: all 0.4s var(--ease-out-quart);
}

.step:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-accent-dim), var(--color-accent));
  color: #ffffff;
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

.step-title {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.step-hours {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ==========================================
   Courses Section
   ========================================== */
.courses {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.courses-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.course-block {
  margin-bottom: var(--spacing-3xl);
  padding: var(--spacing-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.course-block:last-child {
  margin-bottom: 0;
}

.course-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.course-header-content {
  flex: 1;
}

.course-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.course-name-badge {
  display: inline-flex;
  padding: 0.25rem 0.75rem;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.course-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.course-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  max-width: 700px;
}

.course-recommend {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-accent);
  padding: 0.75rem 1rem;
  background: var(--color-accent-glow);
  border-radius: 6px;
  margin-bottom: var(--spacing-md);
}

.course-recommend::before {
  content: "★";
}

.course-goals {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-bg-elevated);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 8px 8px 0;
}

.course-goals-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.05em;
}

.course-goals ul {
  list-style: none;
  padding-left: 0;
}

.course-goals li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.course-goals li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

/* Course Accordion */
.course-accordion-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0;
  transition: all 0.3s var(--ease-out-quart);
}

.course-accordion-toggle:hover {
  background: var(--color-accent-glow);
  border-color: var(--color-border-accent);
  color: var(--color-accent);
}

.course-accordion-toggle.is-open {
  border-radius: 8px 8px 0 0;
  border-bottom: none;
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

.course-accordion-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.course-accordion-icon::before,
.course-accordion-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.3s var(--ease-out-quart);
}

.course-accordion-icon::before {
  top: 50%;
  left: 0;
  width: 20px;
  height: 2px;
  transform: translateY(-50%);
}

.course-accordion-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 20px;
  transform: translateX(-50%);
}

.course-accordion-toggle.is-open .course-accordion-icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.course-accordion-content {
  display: none;
  border-radius: 0 0 8px 8px;
}

.course-accordion-content.is-open {
  display: block;
}

.course-table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.course-accordion-content.course-table-wrapper {
  border-radius: 0 0 8px 8px;
}

.course-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.course-table th,
.course-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.course-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--color-bg-elevated);
}

.course-table tbody tr {
  transition: all 0.2s ease;
}

.course-table tbody tr:hover {
  background: var(--color-bg-hover);
}

.course-table tbody tr:last-child td {
  border-bottom: none;
}

.course-table td:first-child {
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.course-table td:nth-child(2) {
  font-family: var(--font-mono);
  color: var(--color-accent);
  white-space: nowrap;
  width: 80px;
}

.course-table td:nth-child(3) {
  color: var(--color-text-secondary);
}

/* ==========================================
   Format Section
   ========================================== */
.format {
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.format-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.format-item {
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-align: center;
  transition: all 0.4s var(--ease-out-quart);
}

.format-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-accent);
}

.format-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: 16px;
  overflow: hidden;
}

.format-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.format-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.format-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.format-note {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* ==========================================
   Price Section
   ========================================== */
.price {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.price-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.price-card {
  position: relative;
  padding: var(--spacing-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  text-align: center;
  transition: all 0.4s var(--ease-out-quart);
  overflow: hidden;
}

.price-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-accent);
}

.price-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(180deg, var(--color-bg-card) 0%, rgba(34, 211, 187, 0.05) 100%);
}

.price-card.featured::before {
  content: "RECOMMENDED";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 0.5rem;
  background: linear-gradient(90deg, var(--color-accent-dim), var(--color-accent));
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.price-card.featured .price-name {
  margin-top: var(--spacing-md);
}

.price-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.price-courses {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.price-detail {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.price-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq {
  background: var(--color-bg-deep);
  border-bottom: 1px solid var(--color-border);
}

.faq-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: var(--spacing-sm);
  background: var(--color-bg-card);
  overflow: hidden;
  transition: all 0.3s var(--ease-out-quart);
}

.faq-item:hover {
  border-color: var(--color-border-accent);
}

.faq-item.is-open {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px var(--color-accent-glow);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  gap: var(--spacing-md);
  transition: all 0.3s ease;
}

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

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  transition: transform 0.3s var(--ease-out-quart);
}

.faq-icon::before {
  top: 50%;
  left: 0;
  width: 20px;
  height: 2px;
  transform: translateY(-50%);
}

.faq-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 20px;
  transform: translateX(-50%);
}

.faq-item.is-open .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-item.is-open .faq-answer {
  display: block;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.contact-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.contact-form {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.required {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-left: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  transition: all 0.3s var(--ease-out-quart);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2371717a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

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

.checkbox-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.2s ease;
}

.checkbox-label:hover {
  color: var(--color-text-primary);
}

.checkbox-label input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form-submit {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.form-privacy {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
  background: var(--color-bg-deep);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  margin-bottom: var(--spacing-md);
}

.footer-logo img {
  height: 60px;
  width: auto;
  display: block;
}

.footer-info {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--color-text-muted);
}

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

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-copyright {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1024px) {
  .format-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 5rem;
  }

  .logo img {
    height: 32px;
  }

  .footer-logo img {
    height: 55px;
  }

  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav a::before {
    display: none;
  }

  .nav a:last-child {
    border-bottom: none;
    margin-top: var(--spacing-sm);
    text-align: center;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(72px + var(--spacing-2xl));
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-lead br {
    display: none;
  }

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

  .hero-cta .btn {
    width: 100%;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-lead br {
    display: none;
  }

  .problems-list {
    grid-template-columns: 1fr;
  }

  .problem-text br {
    display: none;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .steps::before {
    display: none;
  }

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

  .course-desc br {
    display: none;
  }

  .course-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .course-table {
    font-size: 0.85rem;
  }

  .course-table th,
  .course-table td {
    padding: 0.75rem 0.5rem;
  }

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

  .format-icon {
    width: 70px;
    height: 70px;
  }

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

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

  .checkbox-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .header-inner {
    height: 60px;
  }

  .logo img {
    height: 28px;
  }

  .hero {
    padding-top: calc(60px + var(--spacing-xl));
  }

  .course-table td:first-child {
    white-space: normal;
  }

  .contact-form {
    padding: var(--spacing-md);
  }

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

  .format-icon {
    width: 64px;
    height: 64px;
  }

  .footer-logo img {
    height: 50px;
  }
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-accent {
  color: var(--color-accent);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}