/* ============================================================
   B案 チャコール x テールブルー
   株式会社アジャイルテックラボ AI研修サービスLP
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* ---- CSS Variables ---- */
:root {
  --color-primary:       #2C3E50;
  --color-accent:        #1A8C9C;
  --color-accent-light:  #E8F7F9;
  --color-text:          #2C3E50;
  --color-text-muted:    #607080;
  --color-bg:            #FAFAFA;
  --color-bg-section:    #FFFFFF;
  --color-border:        #D0D8E0;
  --color-footer-bg:     #1A2530;

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

  --radius:    4px;
  --shadow-sm: 0 2px 8px rgba(44,62,80,0.07);
  --shadow-md: 0 6px 24px rgba(44,62,80,0.12);

  --max-w:     1100px;
  --section-py: clamp(64px, 8vw, 112px);
}

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

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

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

h1, h2, h3, h4, h5, h6, .en {
  font-family: var(--font-en), var(--font-ja);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 90%;
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ---- Section heading ---- */
.section-heading {
  margin-bottom: clamp(40px, 5vw, 64px);
  text-align: center;
}

.section-heading .label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-heading h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  position: relative;
  display: inline-block;
  padding-bottom: 20px;
}

.section-heading h2::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-heading p {
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: clamp(14px, 1.5vw, 16px);
}

/* Left-aligned section heading variant */
.section-heading.left {
  text-align: left;
}
.section-heading.left h2 {
  display: block;
  padding-bottom: 0;
  padding-left: 20px;
  border-left: 4px solid var(--color-accent);
}
.section-heading.left h2::after { display: none; }

/* ---- Reveal animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   HEADER
================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 2px solid var(--color-accent);
  box-shadow: 0 2px 12px rgba(44,62,80,0.06);
}

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

.logo {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s;
  white-space: nowrap;
}

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

.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: background 0.2s, opacity 0.2s !important;
}

.nav-cta:hover {
  background: #15717f !important;
  color: #fff !important;
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================================================
   HERO
================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(28, 37, 48, 0.78);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: clamp(80px, 10vw, 120px) 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 28px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.hero h1 {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: clamp(14px, 1.8vw, 18px);
  color: rgba(255,255,255,0.82);
  margin-bottom: 44px;
  line-height: 1.8;
  font-weight: 300;
}

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-en), var(--font-ja);
  font-size: 15px;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  transition: background 0.22s, transform 0.18s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #15717f;
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: #fff;
  font-family: var(--font-en), var(--font-ja);
  font-size: 15px;
  font-weight: 600;
  padding: 15px 36px;
  border-radius: var(--radius);
  border: 1.5px solid rgba(255,255,255,0.5);
  margin-left: 16px;
  transition: border-color 0.22s, color 0.22s;
  cursor: pointer;
}

.btn-outline:hover {
  border-color: #fff;
  color: #fff;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 16px 24px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-en);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-number .accent { color: var(--color-accent); }

.stat-label {
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.06em;
  font-weight: 400;
}

/* ================================================================
   ISSUES (課題提起)
================================================================ */
.issues-section {
  background: var(--color-bg);
  padding: var(--section-py) 0;
}

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

.issue-card {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 6px;
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}

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

.issue-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.issue-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.issue-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 14px;
  line-height: 1.5;
}

.issue-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ================================================================
   SERVICE OVERVIEW
================================================================ */
.service-section {
  background: var(--color-bg-section);
  padding: var(--section-py) 0;
}

.service-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.service-text .lead {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.service-text p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 20px;
}

.service-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text);
  font-weight: 500;
}

.service-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 8px;
  flex-shrink: 0;
}

.service-visual {
  background: var(--color-accent-light);
  border-radius: 8px;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.service-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  background: #fff;
  border: 1px solid var(--color-accent);
  padding: 6px 14px;
  border-radius: 20px;
  width: fit-content;
}

.service-tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.tool-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 16px 18px;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

.tool-item span {
  display: block;
  font-family: var(--font-ja);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ================================================================
   FEATURES (3つの特徴)
================================================================ */
.features-section {
  background: var(--color-bg);
  padding: var(--section-py) 0;
}

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

.feature-card {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 6px;
  padding: 44px 36px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}

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

.feature-num {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  -webkit-text-stroke: 2px var(--color-accent);
  color: transparent;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.9;
}

/* ================================================================
   RESULTS (導入実績)
================================================================ */
.results-section {
  background: var(--color-primary);
  padding: var(--section-py) 0;
}

.results-section .section-heading .label { color: var(--color-accent); }
.results-section .section-heading h2 { color: #fff; }
.results-section .section-heading h2::after { background: var(--color-accent); }
.results-section .section-heading p { color: rgba(255,255,255,0.6); }

.results-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 48px;
}

.result-badge {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 36px 48px;
  text-align: center;
  min-width: 220px;
  backdrop-filter: blur(4px);
  transition: background 0.22s, border-color 0.22s;
}

.result-badge:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-accent);
}

.result-badge .num {
  font-family: var(--font-en);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}

.result-badge .num .unit {
  font-size: 0.55em;
  color: var(--color-accent);
  margin-left: 2px;
}

.result-badge .desc {
  margin-top: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
}

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

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

.program-card {
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 6px;
  padding: 36px 32px;
  background: var(--color-bg);
  transition: box-shadow 0.25s, transform 0.25s;
}

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

.program-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 18px;
}

.program-card.custom .program-badge {
  background: var(--color-primary);
}

.program-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.program-duration {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.program-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.program-topics {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-tag {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border: 1px solid rgba(26,140,156,0.2);
  padding: 4px 12px;
  border-radius: 20px;
}

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

.instructor-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
  max-width: 860px;
  margin: 0 auto;
}

.instructor-avatar {
  text-align: center;
}

.avatar-circle {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--color-accent-light);
  border: 3px solid var(--color-accent);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.avatar-initials {
  font-family: var(--font-en);
  font-size: 52px;
  font-weight: 800;
  color: var(--color-accent);
}

.instructor-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.instructor-title {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.instructor-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  line-height: 1.4;
}

.instructor-body p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}

.instructor-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.inst-stat .num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.inst-stat .lbl {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 28px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-ja);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.5;
  transition: background 0.18s;
}

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

.faq-item.active .faq-question { background: var(--color-accent-light); color: var(--color-accent); }

.faq-q-mark {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item.active .faq-q-mark {
  background: var(--color-accent);
}

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  stroke: var(--color-text-muted);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  stroke: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: var(--color-bg);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 20px 28px 28px 68px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.9;
}

/* ================================================================
   CTA SECTION
================================================================ */
.cta-section {
  background: var(--color-accent);
  padding: var(--section-py) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.cta-text h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.cta-text p {
  font-size: 15px;
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
}

.cta-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cta-note::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.4);
  flex-shrink: 0;
}

.cta-form {
  background: #fff;
  border-radius: 8px;
  padding: 40px 36px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.18);
}

.cta-form h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 7px;
}

.form-group label .required {
  color: var(--color-accent);
  margin-left: 4px;
  font-size: 11px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-ja);
  font-size: 14px;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26,140,156,0.12);
}

.form-group textarea { min-height: 90px; }

.form-submit {
  width: 100%;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-en), var(--font-ja);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.22s, transform 0.18s;
  margin-top: 8px;
}

.form-submit:hover {
  background: #15717f;
  transform: translateY(-1px);
}

/* ================================================================
   FOOTER
================================================================ */
.site-footer {
  background: var(--color-footer-bg);
  padding: clamp(48px, 6vw, 72px) 0 32px;
  color: rgba(255,255,255,0.6);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
  display: block;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.45);
}

.footer-brand .social-links {
  margin-top: 24px;
  display: flex;
  gap: 12px;
}

.social-link {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 20px;
  transition: color 0.2s, border-color 0.2s;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: var(--font-en);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom small {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

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

.footer-bottom-links a {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  transition: color 0.2s;
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.6); }

/* ================================================================
   RESPONSIVE
================================================================ */
@media (max-width: 768px) {
  .burger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 0;
    border-bottom: 2px solid var(--color-accent);
    box-shadow: 0 8px 24px rgba(44,62,80,0.1);
    z-index: 999;
  }

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

  .nav-links a {
    padding: 14px 28px;
    font-size: 15px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links a:last-child { border-bottom: none; }

  .nav-cta {
    margin: 8px 20px;
    text-align: center;
    border-radius: var(--radius) !important;
  }

  .hero h1 { font-size: clamp(28px, 8vw, 40px); }
  .hero-content { padding: 60px 0 80px; }

  .btn-outline { display: none; }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) { border-top: 1px solid rgba(255,255,255,0.1); }
  .stat-item:nth-child(4) { border-right: none; }

  .issues-grid,
  .features-grid { grid-template-columns: 1fr; }

  .service-inner { grid-template-columns: 1fr; gap: 40px; }
  .service-tool-grid { grid-template-columns: 1fr 1fr; }

  .results-badges { gap: 16px; }
  .result-badge { min-width: 45%; padding: 24px 20px; }

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

  .instructor-inner { grid-template-columns: 1fr; gap: 36px; }
  .instructor-avatar { text-align: left; display: flex; align-items: center; gap: 24px; }
  .avatar-circle { width: 100px; height: 100px; margin: 0; }
  .avatar-initials { font-size: 30px; }
  .instructor-stats { gap: 20px; flex-wrap: wrap; }

  .cta-inner { grid-template-columns: 1fr; gap: 40px; }
  .cta-form { padding: 32px 24px; }

  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }

  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 480px) {
  .result-badge { min-width: 100%; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .instructor-avatar { flex-direction: column; align-items: center; text-align: center; }
}