/* =============================================
   BLUE MASTER — グローバルスタイル v4 (Blue-only)
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700;800&family=DM+Mono:wght@400;500&family=Noto+Serif+JP:wght@300;400;500;600;700&display=swap');

:root {
  /* ── Pure Blue Palette ── */
  --blue-deepest:  #020E1F;
  --blue-deep:     #042C53;
  --blue-dark:     #042C53;   /* alias */
  --blue-mid:      #185FA5;
  --blue-bright:   #378ADD;
  --blue-light:    #B5D4F4;
  --blue-pale:     #D6E8FB;   /* light alternating sections */
  --white:         #F5F9FF;   /* near-white with blue tint */
  --off-white:     #EAF2FF;   /* body background */

  /* Text – all blue-tinted, no gray */
  --ink:          #071628;
  --ink-mid:      #1A3A5C;
  --text-muted:   #4E7399;
  --text-primary:   var(--ink);
  --text-secondary: var(--ink-mid);

  --gold:          #BA7517;
  --gold-light:    #FAC775;
  --line-green:    #06c755;
  --border:        rgba(24, 95, 165, 0.2);

  /* Legacy aliases */
  --blue-vivid:    var(--blue-mid);

  --font-display: 'Shippori Mincho', 'Noto Serif JP', serif;
  --font-body:    'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;
  --font-main:    'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-en:      'Georgia', serif;

  --radius-none:  2px;
  --radius-sm:    4px;
  --radius-md:    6px;
  --radius-lg:    10px;
  --radius-xl:    100px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 2px 20px rgba(4, 44, 83, 0.12);
  --shadow-glow: 0 4px 24px rgba(24, 95, 165, 0.25);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--ink);
  line-height: 1.8;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ─── Typography ─── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.04em;
  /* color intentionally not set here — inherits from parent context */
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.7rem); }
h4 { font-size: 1.1rem; }

/* Explicit colors per context */
body h1, body h2, body h3, body h4, body h5 { color: var(--ink); }
.hero h1, .hero h2, .hero h3,
.page-hero h1,
.cta-section h1, .cta-section h2,
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--white); }

.en { font-family: var(--font-mono); }
.blue-text  { color: var(--blue-mid); }
.gold-text  { color: var(--gold); }
.muted      { color: var(--text-muted); }

/* ─── Layout ─── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

/* Section background utilities */
.bg-white  { background: var(--white); }
.bg-off    { background: var(--off-white); }
.bg-pale   { background: var(--blue-pale); }
.bg-dark   { background: var(--blue-deep); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--white); }
.bg-dark p  { color: rgba(181, 212, 244, 0.8); }
.bg-dark .section-tag { color: var(--blue-light); background: rgba(181,212,244,0.08); border-color: rgba(181,212,244,0.18); }
.bg-dark .blue-divider { background: rgba(181,212,244,0.5); }

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(234, 242, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(234, 242, 255, 0.98);
  box-shadow: 0 2px 20px rgba(4, 44, 83, 0.1);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--blue-deep);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span { color: var(--blue-deep); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-mid);
  letter-spacing: 0.08em;
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--blue-mid);
  transform: scaleX(0);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--blue-deep); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  background: var(--line-green);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 0.8rem;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: #05b34a !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  width: 26px; height: 2px;
  background: var(--blue-deep);
  border-radius: 1px;
  transition: var(--transition);
}

/* ─── Mobile Nav ─── */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: rgba(234, 242, 255, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  font-size: 1.2rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { color: var(--ink); }
.nav-mobile a:hover { color: var(--blue-mid); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-none);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.btn-primary {
  background: var(--blue-deep);
  color: var(--white);
  border-color: var(--blue-deep);
}
.btn-primary:hover {
  background: var(--blue-mid);
  border-color: var(--blue-mid);
  transform: translateY(-1px);
}
.btn-line {
  background: var(--line-green);
  color: var(--white);
  border-color: var(--line-green);
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-weight: 700;
}
.btn-line:hover {
  background: #05b34a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 199, 85, 0.35);
}
/* btn-outline: light backgrounds (default) */
.btn-outline {
  background: transparent;
  color: var(--blue-deep);
  border-color: var(--blue-mid);
}
.btn-outline:hover {
  background: var(--blue-pale);
  border-color: var(--blue-deep);
  transform: translateY(-1px);
}
/* btn-outline: dark backgrounds */
.hero .btn-outline,
.page-hero .btn-outline,
.cta-section .btn-outline,
.corp-hero .btn-outline {
  color: var(--blue-light);
  border-color: rgba(181, 212, 244, 0.4);
  background: transparent;
}
.hero .btn-outline:hover,
.page-hero .btn-outline:hover,
.cta-section .btn-outline:hover,
.corp-hero .btn-outline:hover {
  background: rgba(181, 212, 244, 0.1);
  border-color: var(--blue-light);
  transform: translateY(-1px);
}
.btn-gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
  font-family: var(--font-body);
  font-weight: 700;
}
.btn-gold:hover {
  background: #9A6012;
  border-color: #9A6012;
  transform: translateY(-1px);
}
.btn-lg { padding: 18px 48px; font-size: 0.95rem; }
.btn-full { width: 100%; justify-content: center; }

/* ─── Cards ─── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-none);
  padding: 40px;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--blue-mid);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.card-glass {
  background: rgba(245, 249, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-none);
  padding: 40px;
}

/* ─── Section Headers ─── */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-mid);
  background: rgba(24, 95, 165, 0.08);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: var(--radius-none);
  margin-bottom: 20px;
}
.section-title { margin-bottom: 16px; }
.section-desc {
  color: var(--ink-mid);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ─── Divider ─── */
.blue-divider {
  width: 40px;
  height: 1px;
  background: var(--blue-mid);
  margin: 16px auto 0;
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
  background: var(--blue-deep);
  color: var(--white);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 60%, rgba(24,95,165,0.5) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(55,138,221,0.25) 0%, transparent 45%),
    var(--blue-deep);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--blue-light);
  border: 1px solid rgba(181,212,244,0.3);
  padding: 6px 20px;
  border-radius: var(--radius-none);
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
  color: var(--white);
}
.hero-title .accent { color: var(--blue-light); }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(181, 212, 244, 0.85);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 2;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(181,212,244,0.45);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(181,212,244,0.35), transparent);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ─── Stat Numbers ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: rgba(181,212,244,0.15);
  border: 1px solid rgba(181,212,244,0.15);
}
.stat-item {
  text-align: center;
  padding: 40px 16px;
  background: rgba(24, 95, 165, 0.15);
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-unit { font-size: 1.2rem; color: var(--blue-light); }
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(181,212,244,0.6);
  margin-top: 8px;
  letter-spacing: 0.08em;
}

/* ─── Service Grid ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-none);
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--blue-mid);
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--blue-mid);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.service-card:hover::before { opacity: 1; }
.service-card.featured {
  border-color: rgba(186,117,23,0.4);
  background: linear-gradient(160deg, var(--white), rgba(250,199,117,0.07));
}
.service-card.featured::before {
  background: var(--gold);
  opacity: 1;
}
.service-icon { font-size: 2.5rem; margin-bottom: 20px; display: block; }
.service-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 12px;
  display: block;
}
.service-card.featured .service-tag { color: var(--gold); }
.service-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--ink);
}
.service-desc { color: var(--ink-mid); font-size: 0.9rem; line-height: 1.9; margin-bottom: 24px; }
.service-price { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; }
.service-price strong { color: var(--blue-deep); }

/* ─── Timeline / Flow ─── */
.flow-steps { display: flex; flex-direction: column; gap: 0; max-width: 720px; margin: 0 auto; }
.flow-step { display: flex; gap: 32px; position: relative; }
.flow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 23px; top: 60px; bottom: -32px;
  width: 1px;
  background: linear-gradient(to bottom, var(--blue-mid), transparent);
}
.flow-num {
  width: 48px; height: 48px; min-width: 48px;
  border-radius: var(--radius-none);
  background: var(--blue-deep);
  border: 1px solid var(--blue-mid);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--white);
  font-size: 1rem;
  margin-top: 4px;
}
.flow-body { padding-bottom: 48px; }
.flow-step-title {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--ink);
}
.flow-step-desc { color: var(--ink-mid); font-size: 0.9rem; line-height: 1.9; }

/* ─── Testimonials ─── */
.testimonial {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-none);
  padding: 40px;
  position: relative;
}
.testimonial::before {
  content: '❝';
  font-family: Georgia, serif;
  font-size: 4rem;
  color: var(--blue-light);
  position: absolute;
  top: 16px; right: 24px;
  line-height: 1; opacity: 0.7;
}
.testimonial-text { color: var(--ink-mid); font-size: 0.95rem; line-height: 2; margin-bottom: 24px; }
.testimonial-author { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }
.testimonial-result {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 500;
  color: var(--blue-mid);
  background: rgba(24, 95, 165, 0.08);
  padding: 4px 14px;
  border-radius: var(--radius-none);
  border: 1px solid var(--border);
}

/* ─── CTA Section ─── */
.cta-section {
  background: var(--blue-deep);
  border-radius: var(--radius-none);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '青';
  font-family: var(--font-display);
  position: absolute;
  font-size: 20rem;
  top: -40px; right: -20px;
  opacity: 0.04;
  pointer-events: none;
  color: var(--white);
}
.cta-title { color: var(--white); margin-bottom: 16px; }
.cta-desc { color: rgba(181,212,244,0.75); max-width: 500px; margin: 0 auto 40px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
/* section-tag inside CTA */
.cta-section .section-tag {
  color: var(--blue-light);
  background: rgba(181,212,244,0.08);
  border-color: rgba(181,212,244,0.2);
}

/* ─── Accordion ─── */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-none);
  overflow: hidden;
  margin-bottom: 8px;
  transition: var(--transition);
}
.accordion-item.open { border-color: var(--blue-mid); }
.accordion-header {
  padding: 20px 28px;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer;
  background: var(--white);
  font-weight: 700; font-size: 0.95rem;
  user-select: none; transition: var(--transition);
  color: var(--ink);
}
.accordion-header:hover { background: var(--blue-pale); }
.accordion-icon {
  width: 24px; height: 24px; min-width: 24px;
  border-radius: var(--radius-none);
  background: rgba(24, 95, 165, 0.08);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: var(--transition);
  color: var(--blue-mid);
}
.accordion-item.open .accordion-icon { transform: rotate(45deg); background: var(--blue-mid); color: var(--white); border-color: var(--blue-mid); }
.accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease;
  background: var(--off-white);
}
.accordion-body-inner { padding: 20px 28px 28px; color: var(--ink-mid); line-height: 1.9; font-size: 0.9rem; }

/* ─── Form ─── */
.form-group { margin-bottom: 24px; }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.08em;
  color: var(--ink-mid); margin-bottom: 8px;
}
.form-label .required { color: var(--blue-mid); margin-left: 4px; font-size: 0.7rem; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-none);
  padding: 14px 18px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--blue-mid);
  box-shadow: 0 0 0 3px rgba(24, 95, 165, 0.1);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.7; }
.form-select option { background: var(--white); color: var(--ink); }

/* ─── Footer ─── */
.footer {
  background: var(--blue-deep);
  color: rgba(181,212,244,0.75);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { color: rgba(181,212,244,0.55); font-size: 0.85rem; line-height: 1.8; margin-top: 16px; }
.footer-logo { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--white); letter-spacing: 0.06em; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--blue-light); margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.875rem; color: rgba(181,212,244,0.55); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(181,212,244,0.12);
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
}
.footer-copy { font-family: var(--font-mono); font-size: 0.75rem; color: rgba(181,212,244,0.35); }
.footer-sns { display: flex; gap: 16px; }
.footer-sns a {
  width: 36px; height: 36px;
  border-radius: var(--radius-none);
  background: rgba(181,212,244,0.08);
  border: 1px solid rgba(181,212,244,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; color: rgba(181,212,244,0.55); transition: var(--transition);
}
.footer-sns a:hover { background: var(--blue-mid); color: var(--white); border-color: var(--blue-mid); }

/* ─── LINE Floating ─── */
.line-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  display: flex; align-items: center; gap: 10px;
  background: var(--line-green); color: var(--white);
  padding: 14px 24px; border-radius: var(--radius-xl);
  font-weight: 700; font-size: 0.875rem;
  box-shadow: 0 6px 24px rgba(6,199,85,0.35);
  transition: var(--transition);
}
.line-float:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(6,199,85,0.5); }

/* ─── Page Hero (sub pages) – always dark ─── */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--blue-deep);
}
.page-hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center top, rgba(24,95,165,0.4) 0%, transparent 65%);
}
.page-hero-content { position: relative; z-index: 2; }
/* All text in page-hero should be light */
.page-hero h1 { color: var(--white); }
.page-hero p  { color: rgba(181,212,244,0.78); }
.page-hero .section-tag { color: var(--blue-light); background: rgba(181,212,244,0.08); border-color: rgba(181,212,244,0.18); }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.75rem;
  color: rgba(181,212,244,0.45); margin-bottom: 24px; justify-content: center;
}
.breadcrumb a { color: var(--blue-light); }
.breadcrumb-sep { color: rgba(181,212,244,0.35); }

/* ─── Highlight Box ─── */
.highlight-box {
  background: rgba(24, 95, 165, 0.07);
  border: 1px solid var(--border);
  border-radius: var(--radius-none);
  padding: 32px 40px;
  position: relative; overflow: hidden;
}
.highlight-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 3px; height: 100%;
  background: var(--blue-mid);
}
/* Headings inside highlight-box on light bg */
.highlight-box h4, .highlight-box p strong { color: var(--blue-mid); }

/* ─── Tag List ─── */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
  font-family: var(--font-mono); font-size: 0.72rem;
  padding: 4px 12px; border-radius: var(--radius-none);
  background: rgba(24, 95, 165, 0.08);
  border: 1px solid var(--border); color: var(--blue-mid);
}

/* ─── Two Col ─── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

/* ─── Check List ─── */
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 0.95rem; color: var(--ink-mid);
}
.check-list li::before {
  content: '▸';
  font-size: 0.8rem; color: var(--blue-mid); margin-top: 4px; flex-shrink: 0;
}

/* ─── Grid Utilities ─── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ─── Particles ─── */
.particle {
  position: absolute; width: 2px; height: 2px;
  background: var(--blue-light); border-radius: 50%; opacity: 0;
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 0.35; }
  90%  { opacity: 0.15; }
  100% { transform: translateY(-100px) scale(1.5); opacity: 0; }
}

/* ─── Fade-in ─── */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .two-col, .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 40px; }
  .two-col.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .cta-section { padding: 48px 28px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .section { padding: 64px 0; }
  .line-float span.float-text { display: none; }
  .line-float { padding: 14px 18px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}