/* =========================================================================
   AppFactory — H2H Homepage
   Dark navy / black premium theme with blue–cyan–violet gradients
   ========================================================================= */

:root {
  --bg:        #05060e;
  --bg-2:      #0a0d1c;
  --surface:   #10142a;
  --surface-2: #161b36;
  --line:      rgba(120, 140, 220, 0.14);
  --line-2:    rgba(120, 140, 220, 0.28);

  --text:      #eef1ff;
  --text-soft: #aab3d6;
  --text-mute: #717aa3;

  --blue:   #3b82f6;
  --cyan:   #22d3ee;
  --violet: #8b5cf6;

  --grad:        linear-gradient(120deg, #3b82f6 0%, #22d3ee 50%, #8b5cf6 100%);
  --grad-soft:   linear-gradient(120deg, rgba(59,130,246,.16), rgba(34,211,238,.10), rgba(139,92,246,.16));
  --grad-text:   linear-gradient(100deg, #6aa8ff, #5ce0f0, #b18bff);

  --radius:    20px;
  --radius-sm: 12px;
  --shadow:    0 28px 70px -22px rgba(0, 0, 0, 0.72);
  --glow:      0 0 40px rgba(59, 130, 246, 0.35);
  --maxw:      1280px;
  --header-h:  78px;
  --font: "Inter", "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI",
          Roboto, "Helvetica Neue", "Noto Sans", "Noto Sans JP", "Noto Sans KR",
          Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient gradient field */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(59,130,246,.20), transparent 60%),
    radial-gradient(820px 520px at 92% 4%, rgba(139,92,246,.18), transparent 60%),
    radial-gradient(700px 600px at 50% 110%, rgba(34,211,238,.12), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(28px, 4vw, 48px);
}

/* ----------------------------- Header ----------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(5, 6, 14, 0.72);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: var(--header-h);
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo-mark { width: 44px; height: 44px; flex: 0 0 auto; }
.logo-copy {
  display: grid;
  gap: 1px;
  line-height: 1;
  min-width: 0;
}
.logo-text { font-size: 22px; line-height: 1; }
.logo-text b { font-weight: 800; }
.logo-text .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo-kicker {
  color: var(--text-mute);
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Nav */
.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); }
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 32px);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: clamp(14px, 1.2vw, 15.5px);
  color: var(--text-soft);
  font-weight: 500;
  transition: color .18s ease;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* Language switch — flags only */
.lang-switch { display: inline-flex; gap: 8px; align-items: center; }
.lang-btn {
  width: 40px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  overflow: hidden;
  opacity: 0.55;
  filter: saturate(0.85);
  transition: opacity .18s ease, transform .18s ease, box-shadow .18s ease, filter .18s ease;
  display: inline-flex;
}
.lang-btn svg { width: 100%; height: 100%; }
.lang-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.lang-btn.is-active {
  opacity: 1;
  filter: saturate(1.05);
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(34,211,238,.5), 0 0 16px rgba(34,211,238,.4);
}

/* ----------------------------- Buttons ---------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(59,130,246,.7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -10px rgba(59,130,246,.85); }
.btn-ghost {
  background: rgba(255,255,255,.03);
  border-color: var(--line-2);
  color: var(--text);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--cyan); background: rgba(34,211,238,.06); }

/* ----------------------------- Sections --------------------------------- */
section { position: relative; }
.section { padding: 116px 0; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
}
.section-lead {
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--text-soft);
  max-width: 780px;
  margin: 0;
}
.section-head { margin-bottom: 60px; }

/* ----------------------------- Hero ------------------------------------- */
.hero {
  padding: 88px 0 104px;
  min-height: clamp(640px, calc(100vh - var(--header-h)), 1040px);
  display: flex;
  align-items: center;
}
.hero-inner {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(430px, 0.96fr);
  gap: clamp(56px, 7vw, 96px);
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--grad-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 22px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.hero h1 {
  font-size: clamp(46px, 5.4vw, 82px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0 0 26px;
  background: linear-gradient(180deg, #ffffff, #c7d2ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.6;
  color: var(--text-soft);
  max-width: 600px;
  margin: 0 0 40px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero visual — H2H connection */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 560px;
  justify-self: end;
  aspect-ratio: 1 / 1;
  border-radius: 28px;
  background:
    radial-gradient(circle at 42% 28%, rgba(98,238,255,.22), transparent 38%),
    radial-gradient(circle at 72% 76%, rgba(139,92,246,.20), transparent 46%),
    linear-gradient(145deg, rgba(22,38,88,.96), rgba(8,13,33,.98) 52%, rgba(26,20,60,.96));
  border: 1px solid var(--line-2);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.11),
    inset 0 -34px 70px rgba(0,0,0,.22),
    var(--shadow);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: 2;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255,255,255,.12), transparent 34%),
    radial-gradient(circle at 50% 18%, rgba(255,255,255,.10), transparent 26%);
  pointer-events: none;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 12% 8% 12%;
  z-index: 0;
  height: 18%;
  border-radius: 999px;
  background: radial-gradient(ellipse at center, rgba(34,211,238,.24), transparent 68%);
  filter: blur(18px);
  pointer-events: none;
}
.hero-visual svg { position: relative; z-index: 1; width: 90%; height: 90%; }

/* ----------------------------- Grids ------------------------------------ */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  position: relative;
  padding: 34px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity .25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
  box-shadow: var(--shadow);
}
.card:hover::after { opacity: 1; }
.card-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: var(--grad-soft);
  border: 1px solid var(--line-2);
}
.card-icon svg { width: 27px; height: 27px; stroke: var(--cyan); }
.card h3 { margin: 0 0 10px; font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--text-soft); font-size: 16px; line-height: 1.6; }

/* App card: name + status badge */
.app-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.app-head h3 { margin: 0; }
.app-status {
  display: inline-flex; align-items: center;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: .02em;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.35);
  white-space: nowrap;
}

/* About highlight block */
.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.6fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}
.about-grid > .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.about-grid .lead-block p { font-size: 18.5px; line-height: 1.7; color: var(--text-soft); }

/* Philosophy block */
.philosophy {
  background:
    radial-gradient(700px 380px at 80% 0%, rgba(139,92,246,.16), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.quote {
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.32;
  font-weight: 700;
  letter-spacing: -0.022em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  max-width: 1000px;
  margin: 0 0 30px;
}

/* Policies */
.policy-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); gap: 26px; }
.policy-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 34px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.policy-card:hover { transform: translateY(-4px); border-color: var(--cyan); box-shadow: var(--shadow); }
.policy-card h3 { margin: 0; font-size: 20px; }
.policy-card p { margin: 0; color: var(--text-soft); font-size: 15.5px; line-height: 1.6; flex: 1; }
.policy-card .policy-open {
  font-size: 14px; font-weight: 600; color: var(--cyan);
  display: inline-flex; align-items: center; gap: 6px;
}

/* Contact */
.contact-card {
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
  padding: 80px 40px;
  border-radius: 28px;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(59,130,246,.18), transparent 65%),
    linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
}
.contact-card .email {
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 8px 0 24px;
}
.contact-card .email a { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.contact-note {
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--text-mute);
  max-width: 560px;
  margin-left: auto; margin-right: auto;
}

/* ----------------------------- Footer ----------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 36px;
  background: var(--bg-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { color: var(--text-mute); font-size: 14px; max-width: 320px; margin: 0; }
.footer-col h4 {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 700;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { color: var(--text-soft); font-size: 14.5px; transition: color .18s ease; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-mute);
  font-size: 13.5px;
}

/* ----------------------------- Legal pages ------------------------------ */
.legal-hero {
  padding: 64px 0 28px;
  border-bottom: 1px solid var(--line);
}
.legal-hero h1 {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.legal-updated { color: var(--text-mute); font-size: 14px; }
.legal-app { color: var(--cyan); font-size: 15px; font-weight: 600; margin: 2px 0 6px; }
.legal-body { padding: 48px 0 80px; max-width: 820px; }

/* Policy document lists & helpers */
.legal-body .pol-sublabel {
  font-weight: 700; color: var(--text); font-size: 15px;
  letter-spacing: .01em; margin: 6px 0 8px;
}
.legal-body .pol-list { margin: 0 0 18px; padding-left: 20px; }
.legal-body .pol-note { margin: 0; }
.legal-body .pol-subject { margin: 0 0 6px; }
.legal-body .pol-list li { color: var(--text-soft); font-size: 15.5px; margin: 0 0 7px; line-height: 1.55; }
.legal-body .callout strong { color: var(--text); }
.legal-body .pol-disclaimer {
  margin-top: 40px; padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line-2);
  background: rgba(255,255,255,.02);
  color: var(--text-mute); font-size: 13.5px; line-height: 1.6;
}

/* App policy hub */
.app-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.app-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 30px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.app-card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: var(--shadow); }
.app-card-name { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.app-card-desc { margin: 0 0 6px; color: var(--text-soft); font-size: 15px; line-height: 1.6; flex: 1; }
.app-card-links { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--line); padding-top: 14px; }
.app-card-links a {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14.5px; font-weight: 600; color: var(--cyan);
}
.app-card-links a::before { content: "→"; color: var(--text-mute); font-weight: 400; }
.app-card-links a:hover { color: var(--text); }
.pol-hubnote { margin-top: 40px; text-align: left; margin-left: 0; }
.footer-links a:hover { color: var(--cyan); }
@media (max-width: 1023px) { .app-hub-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 767px) { .app-hub-grid { grid-template-columns: 1fr; } }
.legal-body .intro {
  font-size: 17px;
  color: var(--text-soft);
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  background: var(--grad-soft);
  border: 1px solid var(--line);
  margin-bottom: 36px;
}
.legal-body h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 34px 0 10px;
}
.legal-body p { color: var(--text-soft); font-size: 15.5px; margin: 0 0 14px; }
.legal-body .email-line {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-weight: 600;
  flex-wrap: wrap;
}
.legal-body .email-line a {
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 700;
}
.legal-body .callout {
  margin-top: 28px;
  padding: 20px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-2);
  background: var(--surface);
}
.back-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 18px;
}
.back-home:hover { color: var(--cyan); }

/* ----------------------------- Responsive ------------------------------- */
@media (max-width: 1180px) and (min-width: 1024px) {
  .logo-text { font-size: 20px; }
  .logo-kicker { font-size: 7.8px; letter-spacing: 0.15em; }
  .logo-mark { width: 40px; height: 40px; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 13.5px; }
  .lang-btn { width: 36px; height: 25px; }
  .hero-inner { grid-template-columns: minmax(0, 1fr) minmax(390px, 0.9fr); gap: 48px; }
  .hero h1 { font-size: clamp(44px, 5vw, 64px); }
}

@media (max-width: 1023px) {
  .container { padding: 0 32px; }
  .nav-links {
    position: absolute;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 14px 32px 20px;
    background: rgba(7, 9, 20, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a { display: block; width: 100%; padding: 10px 0; font-size: 16px; }
  .nav-toggle { display: inline-flex; }
  .section { padding: 92px 0; }
  .hero { min-height: auto; padding: 64px 0 80px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { max-width: 520px; margin: 0 auto; width: 100%; justify-self: center; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-grid > .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-3, .grid-4, .policy-list { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 767px) {
  :root { --header-h: 70px; }
  .container { padding: 0 22px; }
  .header-inner { gap: 10px; }
  .logo { gap: 9px; min-width: 0; }
  .logo-mark { width: 38px; height: 38px; }
  .logo-text { font-size: 19px; }
  .logo-kicker { font-size: 7px; letter-spacing: 0.12em; }
  .nav { gap: 10px; }
  .nav-links { padding-left: 24px; padding-right: 24px; }
  .nav-toggle { width: 40px; height: 40px; flex: 0 0 40px; }
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
  .hero-inner { gap: 36px; }
  .hero h1 { font-size: clamp(34px, 10vw, 46px); letter-spacing: -0.025em; }
  .hero p.lead { font-size: 17px; margin-bottom: 30px; }
  .grid-3, .grid-4, .policy-list, .grid-2 { grid-template-columns: 1fr; }
  .about-grid > .grid { grid-template-columns: 1fr; }
  .card, .policy-card { padding: 28px; }
  .contact-card { padding: 56px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .lang-btn { width: 36px; height: 25px; }
  .lang-switch { gap: 6px; flex: 0 0 auto; }
  .hero-cta .btn { flex: 1; justify-content: center; }
  .hero-visual svg { width: 94%; height: 94%; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .logo-kicker { font-size: 6.5px; letter-spacing: 0.1em; }
  .lang-switch { gap: 5px; }
  .lang-btn { width: 32px; height: 22px; }
  .nav-toggle { width: 36px; height: 36px; flex-basis: 36px; }
  .btn { width: 100%; justify-content: center; padding: 14px 20px; }
  .hero-visual { max-width: min(100%, 360px); border-radius: 22px; }
  .card, .policy-card { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ----------------------------- Utilities -------------------------------- */
/* Kept as classes (not inline style attributes) for strict-CSP compatibility. */
.mb-48 { margin-bottom: 48px; }
.mt-0 { margin-top: 0; }
.mb-8 { margin-bottom: 8px; }
.lead-center { margin-left: auto; margin-right: auto; }
.apps-note { text-align: left; margin-left: 0; margin-top: 26px; }
.subject-hint { margin: 0; color: var(--text-mute); font-size: 14px; }
.footer-bottom--bare { border-top: none; padding-top: 0; }
.section--contact { padding-top: 72px; }