/* ════════════════════════════════════════════════════════════════
   AI ACADEMY · style.css · 2026 Trust-First Design System
   Fonts: DM Serif Display (display) + Outfit (body) + JetBrains Mono
   Palette: Warm White · Deep Navy · Trusted Gold · Sage Green
   Philosophy: Human warmth + institutional authority + digital clarity
   ════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400&display=swap');

/* ── DESIGN TOKENS ────────────────────────────────────────── */
:root {
  /* Core palette — warm, trustworthy, human */
  --navy:        #0f1f3d;
  --navy2:       #162440;
  --navy3:       #1e3057;
  --blue:        #2563eb;
  --blue2:       #1d4ed8;
  --blue-soft:   #dbeafe;
  --blue-faint:  rgba(37,99,235,.07);
  --gold:        #c8922a;
  --gold2:       #e2a93a;
  --gold-faint:  rgba(200,146,42,.10);
  --gold-light:  #fef3c7;
  --sage:        #16a34a;
  --sage-faint:  rgba(22,163,74,.08);

  /* Backgrounds — warm whites, not cold grays */
  --bg:          #fafaf8;
  --bg2:         #f4f3ef;
  --bg3:         #ede9e0;
  --surface:     #ffffff;
  --surface2:    #f8f7f4;

  /* Borders */
  --border:      rgba(15,31,61,.08);
  --border2:     rgba(15,31,61,.14);
  --border3:     rgba(15,31,61,.20);

  /* Text */
  --text:        #1e293b;
  --text2:       #475569;
  --text3:       #94a3b8;
  --heading:     #0f1f3d;

  /* Accent = blue (trust primary) */
  --accent:      #2563eb;
  --accent2:     #1d4ed8;
  --accent-faint:rgba(37,99,235,.07);

  /* Shadows — warm, layered */
  --shadow-xs:   0 1px 4px rgba(15,31,61,.06);
  --shadow-sm:   0 2px 12px rgba(15,31,61,.08), 0 1px 3px rgba(15,31,61,.05);
  --shadow:      0 8px 32px rgba(15,31,61,.10), 0 2px 8px rgba(15,31,61,.06);
  --shadow-lg:   0 20px 60px rgba(15,31,61,.12), 0 4px 16px rgba(15,31,61,.07);
  --shadow-blue: 0 4px 20px rgba(37,99,235,.25);

  /* Typography */
  --ff-display:  'DM Serif Display', Georgia, serif;
  --ff-body:     'Outfit', system-ui, sans-serif;
  --ff-mono:     'JetBrains Mono', monospace;

  /* Radii */
  --r-sm:   6px;
  --r:      12px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-pill: 999px;

  /* Easing */
  --ease:        cubic-bezier(.4,0,.2,1);
  --ease-out:    cubic-bezier(0,0,.2,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);

  color-scheme: light;
}

/* Dark mode — deep navy stays warm */
[data-theme="dark"] {
  --bg:          #0a1628;
  --bg2:         #0f1f3d;
  --bg3:         #162440;
  --surface:     #162440;
  --surface2:    #1e3057;
  --border:      rgba(255,255,255,.07);
  --border2:     rgba(255,255,255,.12);
  --border3:     rgba(255,255,255,.18);
  --text:        #e2e8f0;
  --text2:       #94a3b8;
  --text3:       #475569;
  --heading:     #f1f5f9;
  --blue-soft:   rgba(37,99,235,.15);
  --blue-faint:  rgba(37,99,235,.10);
  --gold-faint:  rgba(200,146,42,.12);
  --gold-light:  rgba(200,146,42,.10);
  --sage-faint:  rgba(22,163,74,.10);
  --shadow-xs:   0 1px 4px rgba(0,0,0,.3);
  --shadow-sm:   0 2px 12px rgba(0,0,0,.35);
  --shadow:      0 8px 32px rgba(0,0,0,.4);
  --shadow-lg:   0 20px 60px rgba(0,0,0,.45);
  color-scheme: dark;
}

/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background .3s var(--ease), color .3s var(--ease);
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 2px; }
::selection { background: var(--blue-soft); color: var(--navy); }

/* ── UTILITY ────────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; top: -48px; left: 1rem; z-index: 9999;
  background: var(--accent); color: #fff;
  padding: .6rem 1.2rem; border-radius: var(--r); font-size: .85rem;
  font-weight: 600; transition: top .2s;
}
.skip-link:focus { top: 8px; }

/* ── REVEAL ANIMATIONS ──────────────────────────────────────── */
.rv {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .1s; }
.rv-d2 { transition-delay: .2s; }
.rv-d3 { transition-delay: .3s; }
.rv-d4 { transition-delay: .4s; }

/* ════════════════════════════════════════════════════════════════
   HEADER
════════════════════════════════════════════════════════════════ */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: 0 clamp(1rem,4vw,3rem);
  transition: background .3s var(--ease), border-color .3s, box-shadow .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
#site-header.scrolled {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.logo {
  display: flex; align-items: center; gap: .65rem;
  font-family: var(--ff-display); font-size: 1.25rem;
  color: var(--heading); transition: opacity .2s; flex-shrink: 0;
}
.logo:hover { opacity: .8; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--navy3));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; box-shadow: var(--shadow-blue);
}
.logo-mark svg { width: 18px; height: 18px; color: #fff; }

.header-nav { display: flex; gap: 1.8rem; align-items: center; }
.header-nav a {
  font-size: .78rem; font-weight: 500; letter-spacing: .04em;
  color: var(--text2); transition: color .2s; white-space: nowrap;
}
.header-nav a:hover, .header-nav a.active { color: var(--accent); }

.header-right { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }
.icon-btn {
  width: 38px; height: 38px; border: 1px solid var(--border2);
  background: var(--surface); color: var(--text2); border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; transition: all .2s; box-shadow: var(--shadow-xs);
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--blue-faint); }

.mob-btn {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: .5rem;
}
.mob-btn span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.mob-btn[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(4px,4px); }
.mob-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mob-btn[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(4px,-4px); }

/* CTA nav button */
.btn-nav {
  background: var(--accent); color: #fff;
  padding: .55rem 1.2rem; border-radius: var(--r-pill);
  font-size: .78rem; font-weight: 600; letter-spacing: .03em;
  border: none; box-shadow: var(--shadow-blue);
  transition: transform .2s var(--ease-spring), box-shadow .2s, background .2s;
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(37,99,235,.35); background: var(--accent2); }

/* ════════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════════ */
#hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  position: relative; overflow: hidden;
  padding: 100px clamp(1.5rem,6vw,5rem) clamp(4rem,8vw,6rem);
  background: var(--surface);
}

/* Background: warm geometric trust pattern */
.hero-bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero-bg-gradient {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 75% 30%, rgba(37,99,235,.06) 0%, transparent 65%),
    radial-gradient(ellipse 50% 55% at 10% 80%, rgba(200,146,42,.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 90% 80%, rgba(22,163,74,.04) 0%, transparent 55%),
    var(--surface);
}
[data-theme="dark"] .hero-bg-gradient {
  background:
    radial-gradient(ellipse 70% 60% at 75% 30%, rgba(37,99,235,.10) 0%, transparent 65%),
    radial-gradient(ellipse 50% 55% at 10% 80%, rgba(200,146,42,.08) 0%, transparent 60%),
    var(--bg);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 10%, transparent 100%);
}

/* Floating trust badges — right side decoration */
.hero-trust-float {
  position: absolute;
  right: clamp(2rem,6vw,5rem);
  top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 1rem;
  z-index: 1;
}
.htf-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--r-lg);
  padding: 1rem 1.3rem;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: .8rem;
  min-width: 180px;
  animation: float-in .8s var(--ease-spring) both;
}
.htf-card:nth-child(2) { animation-delay: .15s; }
.htf-card:nth-child(3) { animation-delay: .3s; }
@keyframes float-in { from { opacity:0; transform:translateX(30px); } to { opacity:1; transform:none; } }
.htf-icon {
  width: 36px; height: 36px; border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.htf-icon.blue { background: var(--blue-faint); color: var(--accent); border: 1px solid rgba(37,99,235,.15); }
.htf-icon.gold { background: var(--gold-faint); color: var(--gold); border: 1px solid rgba(200,146,42,.2); }
.htf-icon.sage { background: var(--sage-faint); color: var(--sage); border: 1px solid rgba(22,163,74,.15); }
.htf-num {
  font-family: var(--ff-display);
  font-size: 1.4rem; color: var(--heading); line-height: 1;
}
.htf-lbl {
  font-size: .72rem; color: var(--text3); font-weight: 500; margin-top: .1rem;
}

/* Hero content */
.hero-kicker {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; gap: .6rem;
  margin-bottom: 1.6rem;
  background: var(--blue-faint);
  border: 1px solid rgba(37,99,235,.15);
  border-radius: var(--r-pill);
  padding: .35rem .9rem .35rem .5rem;
  font-size: .75rem; font-weight: 600; letter-spacing: .05em;
  color: var(--accent); text-transform: uppercase;
  width: fit-content;
}
.hero-kicker-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:.5; transform:scale(.7); }
}

.hero-answer-box {
  position: relative; z-index: 1;
  max-width: 680px; margin-bottom: 2rem;
  background: linear-gradient(135deg, rgba(37,99,235,.06) 0%, rgba(37,99,235,.02) 100%);
  border: 1px solid rgba(37,99,235,.18);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 1.1rem 1.5rem;
}
.hero-answer-label {
  font-family: var(--ff-mono);
  font-size: .62rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .4rem; display: block;
}
.hero-answer-text { font-size: .93rem; line-height: 1.75; color: var(--text2); }
.hero-answer-text strong { color: var(--heading); font-weight: 600; }

.hero-h1 {
  position: relative; z-index: 1;
  font-family: var(--ff-display);
  font-size: clamp(2.6rem,6.5vw,6rem);
  font-weight: 400; line-height: 1.06;
  color: var(--heading); max-width: 820px;
  margin-bottom: 1.6rem; letter-spacing: -.02em;
}
.hero-h1 em { font-style: italic; color: var(--accent); }
.hero-h1 .h1-gold { color: var(--gold); }

.hero-desc {
  position: relative; z-index: 1;
  font-size: 1.05rem; color: var(--text2);
  max-width: 500px; line-height: 1.75;
  margin-bottom: 2rem; font-weight: 400;
}

/* Trust signals row */
.hero-trust-row {
  position: relative; z-index: 1;
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  margin-bottom: 2.5rem; align-items: center;
}
.trust-item {
  display: flex; align-items: center; gap: .5rem;
  font-size: .78rem; color: var(--text2); font-weight: 500;
}
.trust-item svg { color: var(--sage); flex-shrink: 0; }
.trust-sep {
  width: 1px; height: 16px; background: var(--border2);
}

/* Search */
.hero-search-wrap {
  position: relative; z-index: 1; max-width: 600px; margin-bottom: 2rem;
}
.search-box {
  display: flex; align-items: center; gap: .75rem;
  background: var(--surface); border: 1.5px solid var(--border2);
  border-radius: var(--r-pill);
  padding: .75rem 1.2rem .75rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color .25s, box-shadow .25s;
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12), var(--shadow-sm);
}
.search-box svg { flex-shrink: 0; color: var(--text3); }
#faq-search {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-family: var(--ff-body);
  font-size: .95rem; min-width: 0;
}
#faq-search::placeholder { color: var(--text3); }
.search-clear {
  background: none; border: none; color: var(--text3);
  width: 24px; height: 24px; display: none; align-items: center;
  justify-content: center; border-radius: 50%;
  transition: background .2s, color .2s; font-size: .85rem;
}
.search-clear.visible { display: flex; }
.search-clear:hover { background: var(--bg2); color: var(--text); }
.search-hint {
  margin-top: .5rem; font-size: .72rem; color: var(--text3);
  font-family: var(--ff-mono); min-height: 1.1em; padding-left: .6rem;
  transition: color .2s;
}
.search-hint.has-results { color: var(--accent); }

/* Hero CTAs */
.hero-ctas {
  position: relative; z-index: 1;
  display: flex; gap: .75rem; flex-wrap: wrap; align-items: center;
}

.hero-scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .35rem;
  color: var(--text3); z-index: 1;
  animation: scroll-bounce 2.5s ease-in-out infinite;
}
.hero-scroll-cue span {
  font-family: var(--ff-mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase;
}
@keyframes scroll-bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(7px); }
}

/* ════════════════════════════════════════════════════════════════
   BUTTONS
════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.9rem; border-radius: var(--r-pill);
  font-size: .82rem; font-weight: 600; letter-spacing: .04em;
  border: none; white-space: nowrap;
  transition: transform .2s var(--ease-spring), box-shadow .2s, background .2s, color .2s, border-color .2s;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { background: var(--accent2); box-shadow: 0 6px 28px rgba(37,99,235,.40); }

.btn-outline {
  background: var(--surface); color: var(--text);
  border: 1.5px solid var(--border2); box-shadow: var(--shadow-xs);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--blue-faint); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  color: #fff; box-shadow: 0 4px 20px rgba(200,146,42,.30);
}
.btn-gold:hover { box-shadow: 0 6px 28px rgba(200,146,42,.45); }

/* ════════════════════════════════════════════════════════════════
   TRUST BAND (below hero)
════════════════════════════════════════════════════════════════ */
#trust-band {
  background: var(--navy);
  padding: 1.6rem clamp(1.5rem,5vw,4rem);
  display: flex; align-items: center; justify-content: center;
  gap: clamp(1.5rem,4vw,3.5rem); flex-wrap: wrap;
}
.tb-item {
  display: flex; align-items: center; gap: .65rem;
  color: rgba(255,255,255,.7); font-size: .8rem; font-weight: 500;
}
.tb-item svg { color: var(--gold2); flex-shrink: 0; }
.tb-sep { width: 1px; height: 20px; background: rgba(255,255,255,.15); }

/* ════════════════════════════════════════════════════════════════
   DEFINITIONS SECTION
════════════════════════════════════════════════════════════════ */
#definitions {
  padding: clamp(3rem,6vw,5rem) clamp(1.5rem,5vw,4rem);
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
.def-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4,1fr);
}
.def-item {
  padding: 1.8rem 1.6rem;
  border-right: 1px solid var(--border);
  transition: background .2s;
}
.def-item:last-child { border-right: none; }
.def-item:hover { background: var(--surface); }
.def-kw {
  font-family: var(--ff-display);
  font-size: 1.1rem; color: var(--heading);
  margin-bottom: .6rem; font-weight: 400;
}
.def-txt { font-size: .84rem; color: var(--text2); line-height: 1.7; }
.def-txt strong { color: var(--text); font-weight: 600; }

/* ════════════════════════════════════════════════════════════════
   TOPIC NAV
════════════════════════════════════════════════════════════════ */
#topic-nav {
  position: sticky; top: 68px; z-index: 200;
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: .75rem clamp(1.5rem,5vw,4rem);
  box-shadow: var(--shadow-xs);
}
.chips-row {
  max-width: 1100px; margin: 0 auto;
  display: flex; gap: .5rem; overflow-x: auto;
  scrollbar-width: none; -ms-overflow-style: none;
  scroll-snap-type: x mandatory; padding-bottom: 2px;
}
.chips-row::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0; scroll-snap-align: start;
  padding: .45rem 1rem; border-radius: var(--r-pill);
  font-size: .76rem; font-weight: 600; letter-spacing: .03em;
  border: 1.5px solid var(--border2);
  background: var(--surface); color: var(--text2);
  transition: all .2s; box-shadow: var(--shadow-xs);
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--blue-faint); }
.chip.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
  box-shadow: var(--shadow-blue);
}

/* ════════════════════════════════════════════════════════════════
   FAQ SECTIONS
════════════════════════════════════════════════════════════════ */
#faq-main {
  max-width: 860px; margin: 0 auto;
  padding: clamp(2rem,5vw,4rem) clamp(1.5rem,5vw,2rem);
}

.faq-sec {
  margin-bottom: 1.5rem;
}

.sec-hdr {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 1.5rem;
  margin-bottom: 1.5rem; padding-bottom: 1.2rem;
  border-bottom: 2px solid var(--border);
}
.sec-hdr-left { flex: 1; }
.sec-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--ff-mono); font-size: .62rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
  background: var(--blue-faint); border: 1px solid rgba(37,99,235,.15);
  border-radius: var(--r-pill); padding: .2rem .75rem;
  margin-bottom: .75rem;
}
.sec-badge-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.sec-title {
  font-family: var(--ff-display);
  font-size: clamp(1.25rem,2.5vw,1.75rem);
  font-weight: 400; color: var(--heading); line-height: 1.25;
  margin-bottom: .5rem;
}
.sec-desc { font-size: .87rem; color: var(--text3); line-height: 1.65; }
.sec-num {
  font-family: var(--ff-display); font-size: 4rem; font-weight: 400;
  color: var(--border2); line-height: 1; flex-shrink: 0; user-select: none;
}

/* HowTo block */
.howto-block {
  margin-top: 1.2rem;
  background: var(--gold-light);
  border: 1px solid rgba(200,146,42,.25);
  border-radius: var(--r);
  padding: 1.1rem 1.3rem;
}
[data-theme="dark"] .howto-block { background: var(--gold-faint); }
.howto-title {
  font-size: .8rem; font-weight: 700; color: var(--gold);
  margin-bottom: .75rem; display: flex; align-items: center; gap: .5rem;
  text-transform: uppercase; letter-spacing: .06em;
}
.howto-ol {
  display: flex; flex-direction: column; gap: .4rem;
  list-style: none; counter-reset: howto;
}
.howto-ol li {
  font-size: .83rem; color: var(--text2); line-height: 1.5;
  padding-left: 1.8rem; position: relative;
  counter-increment: howto;
}
.howto-ol li::before {
  content: counter(howto);
  position: absolute; left: 0;
  font-family: var(--ff-mono); font-size: .65rem; font-weight: 400;
  color: var(--gold); background: rgba(200,146,42,.15);
  border-radius: 4px; padding: .05rem .35rem;
  top: .05rem;
}
.howto-ol li strong { color: var(--text); }

/* FAQ list */
.faq-list { display: flex; flex-direction: column; }
.faq-item {
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item.hidden { display: none; }
.faq-item.open {
  background: var(--surface);
  border-color: rgba(37,99,235,.15);
  border-radius: var(--r);
  margin: 2px 0;
  box-shadow: var(--shadow-sm);
}

.faq-btn {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: .85rem;
  padding: 1.1rem .85rem; background: none; border: none;
  color: var(--text); text-align: left;
  transition: color .2s, padding .2s;
  border-radius: inherit;
}
.faq-btn:hover { color: var(--accent); }
.faq-item.open .faq-btn { color: var(--accent); padding-bottom: .75rem; }

.faq-q-num {
  font-family: var(--ff-mono); font-size: .6rem;
  color: var(--text3); background: var(--bg2);
  border: 1px solid var(--border2); border-radius: 4px;
  padding: .15rem .4rem; flex-shrink: 0;
  min-width: 2.2rem; text-align: center;
  transition: color .2s, border-color .2s, background .2s;
}
.faq-item.open .faq-q-num,
.faq-btn:hover .faq-q-num {
  color: var(--accent); border-color: var(--accent);
  background: var(--blue-faint);
}

.faq-q-text {
  flex: 1; font-size: .96rem; font-weight: 600; line-height: 1.5;
  font-family: var(--ff-body);
}

.faq-chevron {
  flex-shrink: 0; width: 28px; height: 28px;
  border: 1.5px solid var(--border2); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text3); transition: all .3s var(--ease);
  background: var(--surface2);
}
.faq-btn:hover .faq-chevron { border-color: var(--accent); color: var(--accent); }
.faq-item.open .faq-chevron {
  border-color: var(--accent); color: var(--accent);
  background: var(--blue-faint); transform: rotate(180deg);
}

.faq-body {
  max-height: 0; overflow: hidden;
  transition: max-height .45s var(--ease-out);
}
.faq-answer {
  padding: .2rem .85rem 1.5rem;
  font-size: .92rem; color: var(--text2); line-height: 1.82;
}
.faq-answer strong { color: var(--text); font-weight: 600; }
.faq-answer a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

.source-tag {
  font-family: var(--ff-mono); font-size: .62rem; letter-spacing: .06em;
  color: var(--text3); margin-top: 1rem; padding-top: .75rem;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
}
.source-tag a { color: var(--text2); transition: color .2s; }
.source-tag a:hover { color: var(--accent); }

/* Divider */
.sec-divider {
  border: none; border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* No results */
#no-results {
  display: none; text-align: center;
  padding: 5rem 2rem; color: var(--text3);
}
#no-results.visible { display: block; }
#no-results h3 {
  font-family: var(--ff-display); font-size: 1.4rem;
  color: var(--text2); margin: 1rem 0 .5rem;
}
#no-results p { font-size: .9rem; }
#no-results em { color: var(--accent); }

/* Loading skeleton */
.faq-loading { padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.skel-line {
  background: linear-gradient(90deg, var(--bg2) 25%, var(--bg3) 50%, var(--bg2) 75%);
  background-size: 200% 100%;
  border-radius: var(--r-sm);
  animation: shimmer 1.6s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ════════════════════════════════════════════════════════════════
   ABOUT SECTION
════════════════════════════════════════════════════════════════ */
#about {
  padding: clamp(4rem,8vw,7rem) clamp(1.5rem,5vw,4rem);
  background: var(--navy);
  position: relative; overflow: hidden;
}
.about-bg-orb {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.15) 0%, transparent 70%);
  right: -150px; top: -150px; pointer-events: none;
}
.about-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: clamp(2.5rem,5vw,5rem); align-items: start;
  position: relative; z-index: 1;
}
.about-quote {
  font-family: var(--ff-display);
  font-size: clamp(1.2rem,2.5vw,1.7rem);
  font-weight: 400; font-style: italic;
  color: rgba(255,255,255,.85);
  line-height: 1.55; border: none;
  border-left: 3px solid var(--gold);
  padding-left: 1.5rem;
}
.about-quote em { color: var(--gold2); font-style: normal; }
.about-quote footer {
  margin-top: 1.2rem; font-family: var(--ff-mono);
  font-size: .65rem; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.4); font-style: normal;
}
.about-kicker {
  font-family: var(--ff-mono); font-size: .65rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--gold2); margin-bottom: .75rem;
}
.about-h2 {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem,2.8vw,2.2rem);
  font-weight: 400; color: #fff; line-height: 1.25; margin-bottom: 1.2rem;
}
.about-h2 em { font-style: italic; color: var(--gold2); }
.about-body { color: rgba(255,255,255,.70); line-height: 1.8; }
.about-body p { margin-bottom: .9rem; }
.about-body strong { color: rgba(255,255,255,.9); font-weight: 600; }
.about-body a { color: var(--gold2); text-decoration: underline; text-underline-offset: 3px; }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.4rem; }
.tag {
  font-family: var(--ff-mono); font-size: .6rem; letter-spacing: .07em;
  text-transform: uppercase; padding: .3rem .75rem;
  border: 1px solid rgba(255,255,255,.15); border-radius: var(--r-pill);
  color: rgba(255,255,255,.5);
  transition: border-color .2s, color .2s, background .2s;
}
.tag:hover { border-color: var(--gold2); color: var(--gold2); background: rgba(200,146,42,.1); }

/* Author E-E-A-T block */
.author-block {
  display: flex; align-items: flex-start; gap: 1rem;
  margin-top: 1.8rem; padding: 1.1rem 1.3rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r);
}
.author-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(37,99,235,.2); border: 1px solid rgba(37,99,235,.3);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--gold2);
}
.author-name { font-size: .88rem; font-weight: 600; color: rgba(255,255,255,.9); display: block; }
.author-bio  { font-size: .78rem; color: rgba(255,255,255,.5); line-height: 1.5; display: block; margin-top: .2rem; }
.author-link { font-family: var(--ff-mono); font-size: .68rem; color: var(--gold2); margin-top: .4rem; display: inline-block; }

/* ════════════════════════════════════════════════════════════════
   SOCIAL SHARE
════════════════════════════════════════════════════════════════ */
.social-section {
  background: var(--bg2);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: clamp(2.5rem,5vw,4rem) clamp(1.5rem,5vw,4rem);
}
.social-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem,5vw,4rem); align-items: center;
}
.social-title {
  font-family: var(--ff-display); font-size: clamp(1.1rem,2vw,1.5rem);
  font-weight: 400; color: var(--heading); margin-bottom: .5rem;
}
.social-desc { font-size: .88rem; color: var(--text2); margin-bottom: 1.4rem; line-height: 1.6; }
.social-links { display: flex; flex-wrap: wrap; gap: .6rem; }
.social-btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .55rem 1.1rem; border-radius: var(--r-pill);
  font-size: .78rem; font-weight: 500; letter-spacing: .03em;
  border: 1.5px solid var(--border2); color: var(--text2);
  background: var(--surface); box-shadow: var(--shadow-xs);
  transition: transform .2s var(--ease-spring), box-shadow .2s, background .2s, color .2s, border-color .2s;
  text-decoration: none;
}
.social-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.social-li:hover  { background: #0077b5; border-color: #0077b5; color: #fff; }
.social-fb:hover  { background: #1877f2; border-color: #1877f2; color: #fff; }
.social-tw:hover  { background: #000; border-color: #333; color: #fff; }
.social-yt:hover  { background: #ff0000; border-color: #ff0000; color: #fff; }

.share-title {
  font-family: var(--ff-mono); font-size: .64rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--text3); margin-bottom: .9rem;
}
.share-btns { display: flex; flex-wrap: wrap; gap: .5rem; }
.share-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem 1rem; border-radius: var(--r);
  font-size: .76rem; font-weight: 500;
  border: 1.5px solid var(--border2); background: var(--surface);
  color: var(--text2); transition: all .2s; cursor: pointer;
  font-family: var(--ff-body); box-shadow: var(--shadow-xs);
}
.share-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--blue-faint); transform: translateY(-1px); }
.share-btn.copied { border-color: var(--gold); color: var(--gold); background: var(--gold-faint); }
.share-toast {
  margin-top: .6rem; font-family: var(--ff-mono); font-size: .65rem;
  letter-spacing: .1em; color: var(--accent); min-height: 1.2em;
  transition: opacity .3s;
}
.share-toast.hidden { opacity: 0; }

/* ════════════════════════════════════════════════════════════════
   CTA SECTION
════════════════════════════════════════════════════════════════ */
#cta {
  text-align: center;
  padding: clamp(5rem,10vw,8rem) clamp(1.5rem,5vw,4rem);
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
  border-top: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.cta-bg-orb {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.05) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%); pointer-events: none;
}
.cta-eyebrow {
  font-family: var(--ff-mono); font-size: .65rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .8rem;
  display: flex; justify-content: center; align-items: center; gap: .6rem;
  position: relative; z-index: 1;
}
.cta-eyebrow::before, .cta-eyebrow::after { content:''; width:20px; height:1px; background:var(--accent); }
.cta-h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem,4.5vw,3.5rem);
  font-weight: 400; color: var(--heading); line-height: 1.2;
  margin-bottom: 1rem; position: relative; z-index: 1;
}
.cta-h2 em { font-style: italic; color: var(--accent); }
.cta-direct-answer {
  background: var(--blue-faint); border: 1px solid rgba(37,99,235,.15);
  border-left: 4px solid var(--accent); border-radius: 0 var(--r) var(--r) 0;
  padding: 1.1rem 1.5rem; margin: 1rem auto 1.5rem;
  max-width: 680px; text-align: left; position: relative; z-index: 1;
}
.cta-direct-label {
  font-family: var(--ff-mono); font-size: .62rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .5rem;
  display: block; font-weight: 400;
}
.cta-direct-text { font-size: .92rem; line-height: 1.72; color: var(--text2); }
.cta-direct-text strong { color: var(--text); font-weight: 600; }
.cta-direct-text a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.cta-sub {
  color: var(--text2); max-width: 480px; margin: 0 auto 2.5rem;
  line-height: 1.75; position: relative; z-index: 1;
}
.cta-btns {
  display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap;
  position: relative; z-index: 1; margin-bottom: 3rem;
}

/* Contact cards */
.contact-cards {
  display: flex; justify-content: center; gap: 1.2rem; flex-wrap: wrap;
  position: relative; z-index: 1;
}
.cc {
  background: var(--surface); border: 1.5px solid var(--border2);
  border-radius: var(--r-lg); padding: 1.2rem 1.8rem;
  display: flex; flex-direction: column; align-items: center; gap: .35rem;
  min-width: 150px; box-shadow: var(--shadow-sm);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.cc:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-2px); }
.cc-lbl {
  font-family: var(--ff-mono); font-size: .58rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--text3);
}
.cc-val, #protected-email { color: var(--accent); font-weight: 600; font-size: .88rem; }

/* ════════════════════════════════════════════════════════════════
   MODAL
════════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(10,22,40,.65);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  position: relative; background: var(--surface);
  border: 1px solid var(--border2); border-radius: var(--r-xl);
  width: 100%; max-width: 580px; max-height: 90svh; overflow-y: auto;
  padding: 2.5rem 2.5rem 2rem; box-shadow: var(--shadow-lg);
  animation: modal-pop .3s var(--ease-spring);
}
@keyframes modal-pop { from { transform:scale(.93) translateY(18px); opacity:0; } }
.modal-close-btn {
  position: absolute; top: 1.2rem; right: 1.2rem;
  width: 34px; height: 34px; border: 1.5px solid var(--border2); border-radius: var(--r);
  background: var(--surface2); color: var(--text3);
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.modal-close-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--blue-faint); }
.modal-eyebrow {
  font-family: var(--ff-mono); font-size: .62rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .55rem;
}
.modal-h2 { font-family: var(--ff-display); font-size: 1.75rem; font-weight: 400; color: var(--heading); margin-bottom: .4rem; }
.modal-sub { font-size: .86rem; color: var(--text2); line-height: 1.6; margin-bottom: 1.4rem; }
.modal-tabs { display: flex; gap: .3rem; border-bottom: 1px solid var(--border); margin-bottom: 1.6rem; }
.m-tab {
  display: flex; align-items: center; gap: .45rem;
  padding: .55rem .95rem .65rem; background: none; border: none;
  font-size: .73rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text2); border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color .2s, border-color .2s; font-family: var(--ff-body); font-weight: 500;
}
.m-tab:hover { color: var(--heading); }
.m-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Form */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem 1.1rem; margin-bottom: .85rem; }
.f-field { display: flex; flex-direction: column; gap: .3rem; }
.f-label { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text2); font-weight: 600; }
.req { color: var(--accent); }
.f-input, .f-textarea {
  background: var(--bg2); border: 1.5px solid var(--border2); border-radius: var(--r);
  padding: .7rem 1rem; color: var(--text); font-family: var(--ff-body);
  font-size: .92rem; outline: none; width: 100%;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.f-input:focus, .f-textarea:focus {
  border-color: var(--accent); background: var(--surface);
  box-shadow: 0 0 0 3px rgba(37,99,235,.10);
}
.f-input.err, .f-textarea.err { border-color: #ef4444; }
.f-textarea { resize: vertical; min-height: 88px; }
.f-err { font-size: .7rem; color: #ef4444; min-height: .9em; }
.hp-trap { position: absolute; left:-9999px; opacity:0; pointer-events:none; height:0; overflow:hidden; }
.form-panel { display: block; }
.form-panel[hidden] { display: none; }
.form-footer-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-top: 1.2rem; flex-wrap: wrap;
}
.privacy-note { font-size: .7rem; color: var(--text3); line-height: 1.5; }
.privacy-note a { color: var(--accent); text-decoration: underline; }
.submit-btn { flex-shrink: 0; }
.submit-btn:disabled { opacity:.55; cursor:not-allowed; transform:none!important; }
.success-ring {
  width: 56px; height: 56px; border-radius: 50%;
  border: 2px solid var(--sage); display: flex; align-items: center;
  justify-content: center; color: var(--sage); font-size: 1.4rem;
  margin: 0 auto 1.2rem; animation: ring-in .4s var(--ease-spring);
}
@keyframes ring-in { from{transform:scale(.5);opacity:0} }
.success-h3 { font-family:var(--ff-display); font-size:1.5rem; font-weight:400; color:var(--heading); margin-bottom:.5rem; text-align:center; }
.success-p { font-size:.88rem; color:var(--text2); line-height:1.65; text-align:center; }
.success-p a { color:var(--accent); }

/* ════════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════════ */
footer {
  background: var(--navy);
  padding: 2.5rem clamp(1.5rem,5vw,4rem);
}
.footer-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.5rem;
  padding-bottom: 1.5rem; border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {
  display: flex; align-items: center; gap: .65rem;
  font-family: var(--ff-display); font-size: 1.1rem;
  color: rgba(255,255,255,.9); text-decoration: none; transition: opacity .2s;
}
.footer-brand:hover { opacity: .8; }
.footer-tagline { color: rgba(255,255,255,.35); font-size: .88rem; margin-left: .2rem; }
.footer-nav { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }
.footer-nav a {
  font-family: var(--ff-mono); font-size: .62rem; letter-spacing: .09em;
  text-transform: uppercase; color: rgba(255,255,255,.4); transition: color .2s;
}
.footer-nav a:hover { color: var(--gold2); }
.footer-social { display: flex; align-items: center; gap: .4rem; }
.foot-soc-link {
  width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r); display: flex; align-items: center;
  justify-content: center; color: rgba(255,255,255,.4);
  transition: all .2s;
}
.foot-soc-link:hover { border-color: var(--gold2); color: var(--gold2); background: rgba(200,146,42,.1); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.footer-copy, .footer-author {
  font-family: var(--ff-mono); font-size: .6rem; letter-spacing: .07em;
  color: rgba(255,255,255,.3); line-height: 1.7;
}
.footer-copy a, .footer-author a { color: rgba(255,255,255,.45); transition: color .2s; }
.footer-copy a:hover, .footer-author a:hover { color: var(--gold2); }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .header-nav { display: none; }
  .mob-btn { display: flex; }
  .btn-nav { display: none; }
  .hero-trust-float { display: none; }
  .sec-num { display: none; }
}
@media (max-width: 1100px) {
  .header-nav.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 68px 0 0;
    background: var(--surface); z-index: 250;
    padding: 2.5rem clamp(1.5rem,5vw,4rem);
    gap: 2rem; border-top: 1px solid var(--border);
    overflow-y: auto; box-shadow: var(--shadow-lg);
  }
  .header-nav.open a { font-size: 1rem; }
}
@media (max-width: 900px) {
  .def-grid { grid-template-columns: repeat(2,1fr); }
  .def-item:nth-child(2) { border-right: none; }
  .def-item:nth-child(1), .def-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .social-inner { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 760px) {
  .def-grid { grid-template-columns: 1fr; }
  .def-item { border-right: none; border-bottom: 1px solid var(--border); }
  .def-item:last-child { border-bottom: none; }
  .form-row { grid-template-columns: 1fr; }
  .modal-box { padding: 1.8rem 1.4rem 1.4rem; border-radius: var(--r-lg); }
  .form-footer-row { flex-direction: column; align-items: stretch; }
  .submit-btn { width: 100%; justify-content: center; }
  footer .footer-top { flex-direction: column; align-items: flex-start; }
  footer .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-nav { gap: 1rem; }
  #trust-band { gap: 1rem 2rem; }
  .tb-sep { display: none; }
}
@media (max-width: 500px) {
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
  .contact-cards { flex-direction: column; align-items: center; }
  .hero-trust-row { gap: 1rem; }
  .trust-sep { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  #site-header, #topic-nav, .hero-ctas, #cta, #social-share, .hero-scroll-cue { display: none !important; }
  .faq-body { max-height: none !important; }
  .faq-item { break-inside: avoid; }
}

/* ════════════════════════════════════════════════════════════════
   MISSING BREAKPOINTS — 480px tablet narrow + 375px small phone
════════════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  /* Nav chips — larger touch targets on narrow screens */
  .chip {
    padding: .6rem 1rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  /* Hero answer box full-width */
  .hero-answer-box { padding: .9rem 1rem; }
  /* Section headers stack */
  .sec-hdr { flex-direction: column; gap: .75rem; }
  /* Contact cards single column */
  .cc { min-width: 100%; }
}

@media (max-width: 375px) {
  .hero-h1 { font-size: 2.2rem; }
  .chips-row { gap: .35rem; }
  .modal-box { padding: 1.4rem 1rem 1rem; }
}

/* ════════════════════════════════════════════════════════════════
   TOUCH OPTIMISATION — min 44×44px targets (WCAG 2.5.5)
════════════════════════════════════════════════════════════════ */

/* Chips: ensure 44px min touch height */
.chip {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Header nav links: enough vertical padding for touch */
.header-nav a {
  padding: .6rem .2rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* Mobile burger spans — larger tap zone */
.mob-btn {
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* Icon button (theme toggle) — 44px */
.icon-btn {
  min-width: 44px;
  min-height: 44px;
}

/* Share buttons — min touch height */
.share-btn {
  min-height: 44px;
}

/* Social buttons */
.social-btn {
  min-height: 44px;
}

/* Footer social icon links */
.foot-soc-link {
  min-width: 44px;
  min-height: 44px;
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE IMAGES — ensure no fixed-width blocking
════════════════════════════════════════════════════════════════ */
img {
  max-width: 100%;
  height: auto;
}

/* Table cells in comparison table — responsive text */
@media (max-width: 640px) {
  .def-grid { grid-template-columns: 1fr; }
  .def-item { border-right: none; border-bottom: 1px solid var(--border); }
  .def-item:last-child { border-bottom: none; }
}