/* ===================================================
   TechBridge AI Training LP — A案（ネイビー）
   =================================================== */

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

:root {
  --color-primary: #1B3A6B;
  --color-primary-light: #2E5BA8;
  --color-accent: #4A90D9;
  --color-text: #1A1A2E;
  --color-text-muted: #5A6A7E;
  --color-bg: #F8F9FA;
  --color-bg-section: #FFFFFF;
  --color-border: #D0D8E8;
  --color-footer-bg: #1B3A6B;

  --font-en: 'Inter', sans-serif;
  --font-ja: 'Noto Sans JP', sans-serif;

  --max-w: 1120px;
  --section-py: clamp(64px, 8vw, 120px);
  --radius: 4px;
  --transition: 0.25s ease;

  --shadow-sm: 0 2px 8px rgba(27, 58, 107, 0.08);
  --shadow-md: 0 4px 20px rgba(27, 58, 107, 0.12);
  --shadow-lg: 0 8px 40px rgba(27, 58, 107, 0.16);
}

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

body {
  font-family: var(--font-ja);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  opacity: 0.75;
}

ul {
  list-style: none;
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  letter-spacing: 0.02em;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  opacity: 1;
}

.btn-outline {
  background-color: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  opacity: 1;
}

.btn-submit {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  font-family: var(--font-ja);
  font-size: 1rem;
  padding: 16px 48px;
  width: 100%;
  max-width: 320px;
}

.btn-submit:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  opacity: 1;
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== SECTION COMMON ===== */
.section {
  padding: var(--section-py) 0;
  background-color: var(--color-bg-section);
}

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

.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.625rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: clamp(0.9rem, 1.5vw, 1.0625rem);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(27, 58, 107, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--font-en);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-accent);
}

.logo:hover {
  opacity: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 36px);
}

.nav-links a {
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-primary);
  opacity: 1;
}

.nav-cta {
  background-color: var(--color-primary) !important;
  color: #fff !important;
  padding: 9px 20px;
  border-radius: var(--radius);
  font-weight: 600 !important;
}

.nav-cta:hover {
  background-color: var(--color-primary-light) !important;
  opacity: 1 !important;
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: 24px;
}

.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(60px, 8vw, 100px);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(27, 58, 107, 0.72);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  display: block;
}

.hero-heading {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== STATS BAR ===== */
.stats-bar {
  background-color: var(--color-primary);
  padding: clamp(28px, 4vw, 44px) 0;
}

.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px clamp(24px, 4vw, 56px);
  color: #fff;
}

.stat-number {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-number small {
  font-size: 0.55em;
  font-weight: 500;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

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

.challenge-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: clamp(28px, 3vw, 40px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.challenge-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.challenge-num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 16px;
}

.challenge-text {
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.6;
}

/* ===== SERVICE OVERVIEW ===== */
.service-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.service-overview-text .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.service-overview-text .section-label {
  text-align: left;
}

.service-body {
  font-size: clamp(0.9rem, 1.5vw, 1.0rem);
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 36px;
}

.service-image-block {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 8px;
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: clamp(24px, 3vw, 40px);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.service-image-block::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.06);
}

.service-image-block::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -30px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.04);
}

.service-tag {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background-color: var(--color-accent);
  color: #fff;
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.service-image-copy {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(32px, 3.5vw, 48px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.feature-num {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.feature-title {
  font-size: clamp(1rem, 1.75vw, 1.125rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.feature-body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* ===== RESULTS ===== */
.results-badges {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  margin-bottom: clamp(48px, 6vw, 72px);
  flex-wrap: wrap;
}

.result-badge {
  flex: 1;
  min-width: 220px;
  background-color: var(--color-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(32px, 4vw, 48px) 24px;
  text-align: center;
  position: relative;
}

.result-badge:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.2);
}

.result-badge-num {
  font-family: var(--font-en);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

.result-badge-num small {
  font-size: 0.5em;
  font-weight: 600;
}

.result-badge-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.04em;
}

.results-logos {
  text-align: center;
}

.results-logos-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.logo-placeholders {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.logo-placeholder {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 32px;
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-border);
  letter-spacing: 0.04em;
  min-width: 140px;
  text-align: center;
}

/* ===== PROGRAM ===== */
.program-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.program-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.program-card-custom {
  border: 2px solid var(--color-accent);
}

.program-card-header {
  background-color: var(--color-bg);
  padding: 24px 24px 20px;
  border-bottom: 1px solid var(--color-border);
}

.program-card-custom .program-card-header {
  background-color: rgba(74, 144, 217, 0.06);
}

.program-badge {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background-color: var(--color-primary);
  color: #fff;
  padding: 3px 8px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 10px;
}

.program-badge-accent {
  background-color: var(--color-accent);
}

.program-badge-outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.program-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.program-duration {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.program-card-body {
  padding: 24px;
  flex: 1;
}

.program-theme {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.program-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.program-list li {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

.program-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.program-card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.program-target {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ===== INSTRUCTOR ===== */
.instructor-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: start;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(32px, 4vw, 56px);
  box-shadow: var(--shadow-sm);
  max-width: 860px;
  margin: 0 auto;
}

.instructor-photo img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 3px solid var(--color-border);
}

.instructor-role {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.instructor-name {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.instructor-bio {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 28px;
}

.instructor-achievements {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.instructor-achievements li {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: rgba(27, 58, 107, 0.06);
  padding: 6px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  font-family: var(--font-ja);
  font-size: clamp(0.9375rem, 1.5vw, 1.0rem);
  font-weight: 700;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}

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

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-text-muted);
  border-radius: 2px;
  transition: opacity var(--transition), background-color var(--transition);
}

.faq-icon::before {
  width: 8px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 8px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease, background-color var(--transition);
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-item.active .faq-icon {
  border-color: var(--color-accent);
  transform: rotate(45deg);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background-color: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  padding: 0 0 24px;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background-color: var(--color-primary);
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.cta-label {
  color: rgba(255, 255, 255, 0.6);
}

.cta-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-desc {
  font-size: clamp(0.9rem, 1.5vw, 1.0rem);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.85;
  margin-bottom: clamp(36px, 5vw, 52px);
}

.cta-form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: 8px;
}

.required {
  font-size: 0.7rem;
  font-weight: 600;
  background-color: var(--color-accent);
  color: #fff;
  padding: 2px 6px;
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  font-family: var(--font-ja);
  font-size: 0.9375rem;
  color: #fff;
  transition: border-color var(--transition), background-color var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.12);
}

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

.cta-form .btn-submit {
  margin: 0 auto;
  display: block;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-footer-bg);
  color: rgba(255, 255, 255, 0.8);
}

.footer-inner {
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(28px, 4vw, 40px);
}

.footer-top {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(40px, 5vw, 80px);
  padding-bottom: clamp(36px, 5vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 28px;
}

.footer-logo {
  font-family: var(--font-en);
  font-size: 1.375rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.footer-logo span {
  color: var(--color-accent);
}

.footer-tagline {
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-nav-heading {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 16px;
}

.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-col a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer-nav-col a:hover {
  color: #fff;
  opacity: 1;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-copy {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}

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

@media (max-width: 768px) {

  /* Nav */
  .burger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background-color: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    z-index: 999;
  }

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

  .nav-links a {
    display: block;
    padding: 14px 24px;
    font-size: 0.9375rem;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-bg);
  }

  .nav-links a:hover {
    background-color: var(--color-bg);
    opacity: 1;
  }

  .nav-cta {
    margin: 8px 24px 8px;
    padding: 12px 24px !important;
    border-radius: var(--radius) !important;
    text-align: center;
    border-bottom: none !important;
  }

  /* Hero */
  .hero-heading br {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Stats */
  .stat-divider {
    display: none;
  }

  .stats-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background-color: rgba(255, 255, 255, 0.1);
  }

  .stat-item {
    background-color: var(--color-primary);
    padding: 20px 16px;
  }

  /* Challenge */
  .challenge-grid {
    grid-template-columns: 1fr;
  }

  /* Service */
  .service-overview {
    grid-template-columns: 1fr;
  }

  .service-overview-text .section-title,
  .service-overview-text .section-label {
    text-align: center;
  }

  .service-body {
    text-align: center;
  }

  .service-overview-text .btn {
    display: block;
    text-align: center;
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Results */
  .results-badges {
    flex-direction: column;
  }

  .result-badge:not(:last-child)::after {
    display: none;
  }

  /* Program */
  .program-grid {
    grid-template-columns: 1fr;
  }

  /* Instructor */
  .instructor-card {
    grid-template-columns: 1fr;
  }

  .instructor-photo {
    display: flex;
    justify-content: center;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

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

@media (max-width: 480px) {
  .footer-nav {
    grid-template-columns: 1fr;
  }

  .instructor-achievements {
    flex-direction: column;
    gap: 10px;
  }

  .btn-submit {
    max-width: 100%;
  }
}