/* ============================================================
   Matěj Jíra - prémiový osobní web
   Tmavé animované pozadí (zlatá záře) + private-banking feel
   ============================================================ */

:root {
  --bg: #080B11;
  --ink: #F6F3EC;
  --ink-2: #C8CDD3;
  --ink-3: #949BA3;

  --gold: #C6A86B;
  --gold-2: #DCC188;
  --gold-deep: #A98A4E;
  --on-gold: #0B0E13;

  --red: #E5533D;
  --red-deep: #C33F2A;

  --line: rgba(255,255,255,0.09);
  --line-gold: rgba(198,168,107,0.22);
  --glass: rgba(16,21,29,0.55);
  --glass-2: rgba(20,26,35,0.62);

  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --maxw: 1180px;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

#bg { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: -2; display: block; }
.bg-veil {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(120% 90% at 70% 0%, rgba(8,11,17,0) 0%, rgba(8,11,17,0.6) 68%, rgba(8,11,17,0.92) 100%),
    linear-gradient(180deg, rgba(8,11,17,0.5) 0%, rgba(8,11,17,0.32) 40%, rgba(8,11,17,0.86) 100%);
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.narrow { max-width: 820px; }
.center { text-align: center; }

img { max-width: 100%; }
.hero-grid > *, .about-grid > *, .cards-4 > *, .principles > *, .steps > *, .stats > *, .maitrix-inner > *, .audience > * { min-width: 0; }

h1, h2, h3 { font-weight: 500; line-height: 1.12; letter-spacing: -0.01em; }

a { color: inherit; text-decoration: none; }
strong { font-weight: 600; color: var(--ink); }

.eyebrow {
  font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px; font-weight: 500;
}
.center-eb { display: inline-block; }
.section-title { font-family: var(--serif); font-size: clamp(26px, 3.6vw, 40px); color: var(--ink); margin-bottom: 14px; }
.section-lead { color: var(--ink-2); font-size: clamp(15px, 1.6vw, 18px); max-width: 60ch; }
.center .section-lead, .center.narrow .section-lead { margin-left: auto; margin-right: auto; }
.gold-em { color: var(--gold); font-style: italic; }

/* ---------- Buttons ---------- */
.btn { display: inline-block; font-weight: 500; font-size: 15px; padding: 14px 26px; border-radius: 999px; transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.btn-gold { background: var(--gold); color: var(--on-gold); box-shadow: 0 8px 30px rgba(198,168,107,0.18); }
.btn-gold:hover { background: var(--gold-2); transform: translateY(-2px); box-shadow: 0 12px 38px rgba(198,168,107,0.28); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-lg { padding: 16px 34px; font-size: 16px; }
.btn-link { color: var(--gold); font-weight: 500; font-size: 15px; align-self: center; border-bottom: 1px solid transparent; transition: border-color .2s; }
.btn-link:hover { border-color: var(--gold); }
.btn-ghost-red { display: inline-block; color: var(--red); border: 1px solid rgba(229,83,61,0.4); padding: 12px 22px; border-radius: 999px; font-weight: 500; font-size: 14px; transition: background .2s, border-color .2s; }
.btn-ghost-red:hover { background: rgba(229,83,61,0.1); border-color: var(--red); }

/* ---------- Header / floating pill nav ---------- */
.site-header { position: sticky; top: 18px; z-index: 60; padding: 0 20px; }
.nav-shell {
  max-width: 940px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: nowrap; gap: 12px;
  background: rgba(10,13,19,0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 12px 14px 12px 26px;
}
.logo { font-family: var(--serif); font-size: 19px; color: var(--gold); letter-spacing: .01em; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links > a { color: var(--ink-2); font-size: 14px; transition: color .18s; }
.nav-links > a:hover { color: var(--ink); }
.nav-links > a.btn { color: var(--on-gold); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); transition: .25s; border-radius: 2px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: clamp(60px, 9vw, 120px) 0 clamp(50px, 7vw, 90px); }
.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-family: var(--serif); font-size: clamp(38px, 5.6vw, 66px); color: var(--ink); margin-bottom: 22px; font-weight: 600; }
.hero .lead { color: var(--ink-2); font-size: clamp(16px, 1.7vw, 19px); margin-bottom: 34px; max-width: 34em; }
.hero-cta { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; margin-bottom: 34px; }
.hero-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); letter-spacing: .02em; }
.sep { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); opacity: .7; display: inline-block; }

.hero-photo img, .about-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 18%;
  border-radius: 18px; border: 1px solid var(--line-gold);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.hero-photo { height: 460px; }
.hero-photo img { display: block; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 110px) 0; position: relative; }
.section-story::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(10,13,19,0) 0%, rgba(10,13,19,0.45) 50%, rgba(10,13,19,0) 100%);
}

/* ---------- Pro koho ---------- */
.audience { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 36px; text-align: left; }
.aud-item { display: flex; align-items: center; gap: 14px; background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; font-size: 15.5px; color: var(--ink); }
.aud-ic { color: var(--gold); font-size: 15px; flex-shrink: 0; }

/* ---------- Služby ---------- */
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; transition: transform .2s, border-color .2s; position: relative; }
.card:hover { transform: translateY(-4px); border-color: var(--line-gold); }
.card-feature { border-color: var(--line-gold); background: var(--glass-2); }
.feature-tag { position: absolute; top: -11px; left: 26px; background: var(--gold); color: var(--on-gold); font-size: 11px; font-weight: 600; letter-spacing: .03em; padding: 4px 12px; border-radius: 999px; }
.card-ic { width: 46px; height: 46px; border-radius: 12px; background: rgba(198,168,107,0.1); display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 20px; margin-bottom: 20px; }
.card h3 { font-size: 18px; color: var(--ink); margin-bottom: 12px; }
.card p { color: var(--ink-2); font-size: 14.5px; line-height: 1.6; }

/* ---------- O mně ---------- */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.25fr; gap: 56px; align-items: center; }
.about-photo { height: 520px; }
.about-copy p { color: var(--ink-2); font-size: 16px; margin-bottom: 16px; }
.about-copy p:last-of-type { margin-bottom: 0; }
.about-creds { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 14px; }
.about-grid.solo { grid-template-columns: 1fr; max-width: 780px; margin-left: auto; margin-right: auto; text-align: center; }
.about-grid.solo .about-photo { display: none; }
.about-grid.solo .about-creds { display: inline-block; }
.cred-ic { color: var(--gold); margin-right: 8px; }
.about-grid.mirror { grid-template-columns: 1.25fr 0.9fr; }
.photo-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; height: 100%; min-height: 340px; border-radius: 18px; background: #12161d; border: 1px solid var(--line-gold); color: var(--ink-3); font-size: 13px; text-align: center; line-height: 1.55; }

/* ---------- Přístup ---------- */
.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; }
.principle { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; transition: border-color .2s; }
.principle:hover { border-color: var(--line-gold); }
.pr-ic { color: var(--gold); font-size: 18px; }
.principle h3 { font-size: 18px; color: var(--ink); margin: 14px 0 10px; }
.principle p { color: var(--ink-2); font-size: 15px; }

/* ---------- Proces ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.step-n { font-family: var(--serif); font-size: 30px; color: var(--gold); }
.step h3 { font-size: 17px; color: var(--ink); margin: 12px 0 8px; }
.step p { font-size: 14.5px; color: var(--ink-3); }

/* ---------- Čísla ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; padding: 44px; background: var(--glass); border: 1px solid var(--line); border-radius: 20px; }
.stat { display: flex; flex-direction: column; gap: 8px; }
.stat-num { font-family: var(--serif); font-size: clamp(32px, 4.4vw, 46px); color: var(--gold); font-weight: 600; }
.stat-label { font-size: 13px; color: var(--ink-3); line-height: 1.4; }

/* ---------- MAITRIX ---------- */
.maitrix-band { position: relative; }
.maitrix-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(90% 120% at 80% 50%, rgba(229,83,61,0.10) 0%, rgba(229,83,61,0) 60%);
}
.maitrix-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; background: var(--glass-2); border: 1px solid rgba(229,83,61,0.18); border-radius: 22px; padding: 48px; }
.maitrix-eb { color: var(--red); }
.maitrix-copy p { color: var(--ink-2); font-size: 16px; margin-bottom: 16px; }
.maitrix-copy .btn-ghost-red { margin-top: 10px; }
.maitrix-logo { font-family: var(--sans); font-weight: 600; font-size: clamp(30px, 4vw, 46px); color: var(--red); letter-spacing: .04em; text-align: center; opacity: .85; }

/* ---------- CTA ---------- */
.cta-section { text-align: center; }
.cta-inner { max-width: 640px; }
.cta-inner h2 { font-family: var(--serif); font-size: clamp(28px, 3.8vw, 44px); margin-bottom: 14px; color: var(--ink); }
.cta-inner .section-lead { margin: 0 auto 30px; }
.contact-line { margin-top: 26px; display: flex; align-items: center; justify-content: center; gap: 16px; font-size: 16px; color: var(--ink-2); flex-wrap: wrap; }
.contact-line a:hover { color: var(--gold); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 28px 32px; font-size: 13px; color: var(--ink-3); flex-wrap: wrap; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Služby (rozšířené) ---------- */
.svc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; }
.svc-card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; transition: transform .2s, border-color .2s; position: relative; }
.svc-card:hover { transform: translateY(-4px); border-color: var(--line-gold); }
.svc-feature { border-color: var(--line-gold); background: var(--glass-2); }
.svc-card h3 { font-size: 22px; color: var(--ink); margin-bottom: 10px; }
.svc-card > p { color: var(--ink-2); font-size: 16px; margin-bottom: 20px; }
.svc-list { list-style: none; display: grid; gap: 11px; }
.svc-list li { position: relative; padding-left: 26px; color: var(--ink-2); font-size: 15.5px; line-height: 1.5; }
.svc-list li::before { content: "✦"; position: absolute; left: 0; top: 1px; color: var(--gold); font-size: 12px; }

/* ---------- Časté situace ---------- */
.situations { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; }
.situation { background: var(--glass); border: 1px solid var(--line); border-left: 3px solid var(--gold); border-radius: 0 var(--radius) var(--radius) 0; padding: 30px 32px; }
.sit-q { font-family: var(--serif); font-size: 21px; color: var(--ink); margin-bottom: 12px; font-style: italic; line-height: 1.3; }
.sit-a { color: var(--ink-2); font-size: 16px; }

/* ---------- FAQ ---------- */
.faq { margin-top: 36px; display: grid; gap: 12px; }
.faq-item { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 28px; transition: border-color .2s; }
.faq-item[open] { border-color: var(--line-gold); }
.faq-item summary { cursor: pointer; list-style: none; padding: 22px 34px 22px 0; font-size: 17.5px; font-weight: 500; color: var(--ink); position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); color: var(--gold); font-size: 24px; font-weight: 400; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { color: var(--ink-2); font-size: 16px; padding: 0 0 24px; margin: 0; max-width: 64ch; }

/* ---------- Kalkulačky ---------- */
.calc { margin-top: 40px; background: var(--glass-2); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.calc-tabs { display: flex; gap: 8px; padding: 14px; border-bottom: 1px solid var(--line); }
.calc-tab { flex: 1; padding: 14px; border-radius: 12px; background: transparent; border: 1px solid transparent; color: var(--ink-2); font-family: var(--sans); font-size: 15px; font-weight: 500; cursor: pointer; transition: .2s; }
.calc-tab:hover { color: var(--ink); }
.calc-tab.is-active { background: rgba(198,168,107,0.12); border-color: var(--line-gold); color: var(--gold); }
.calc-panel { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; padding: 40px; align-items: center; }
.calc-panel[hidden] { display: none; }
.calc-inputs { display: grid; gap: 26px; min-width: 0; }
.calc-field label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 15px; color: var(--ink-2); margin-bottom: 12px; }
.calc-val { color: var(--gold); font-weight: 600; font-size: 16px; white-space: nowrap; }
.calc-field input[type=range] { width: 100%; -webkit-appearance: none; appearance: none; height: 5px; border-radius: 5px; background: rgba(255,255,255,0.13); outline: none; }
.calc-field input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--gold); cursor: pointer; border: 3px solid #12161d; }
.calc-field input[type=range]::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--gold); cursor: pointer; border: 3px solid #12161d; }
.calc-result { background: rgba(8,11,17,0.55); border: 1px solid var(--line-gold); border-radius: 16px; padding: 30px; text-align: center; min-width: 0; }
.calc-result-label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }
.calc-result-num { font-family: var(--serif); font-size: clamp(28px,3.8vw,42px); color: var(--gold); font-weight: 600; margin-bottom: 18px; line-height: 1.1; }
.calc-sub { display: flex; gap: 14px; justify-content: center; padding: 16px 0; border-top: 1px solid var(--line); margin-bottom: 18px; }
.calc-sub > div { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.calc-sub span { font-size: 16px; color: var(--ink); font-weight: 500; }
.calc-sub small { font-size: 12px; color: var(--ink-3); }
.calc-rente { font-size: 14px; color: var(--ink-2); margin-bottom: 18px; }
.calc-rente strong { color: var(--gold); }
.calc-note { text-align: center; font-size: 12.5px; color: var(--ink-3); margin-top: 18px; }

/* ---------- Partneři (marquee) ---------- */
.marquee { margin-top: 44px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: inline-flex; gap: 56px; white-space: nowrap; animation: marquee 46s linear infinite; }
.marquee-track span { font-family: var(--serif); font-size: 22px; color: var(--ink-2); opacity: 0.8; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ---------- Newsletter / ebook ---------- */
.subscribe-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; }
.sub-card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.sub-card h3 { font-size: 20px; color: var(--ink); margin-bottom: 10px; }
.sub-card > p { color: var(--ink-2); font-size: 15.5px; margin-bottom: 20px; }
.sub-form { display: flex; gap: 10px; flex-wrap: wrap; }
.sub-form input { flex: 1; min-width: 0; background: rgba(8,11,17,0.5); border: 1px solid var(--line); border-radius: 999px; padding: 12px 18px; color: var(--ink); font-family: var(--sans); font-size: 15px; outline: none; transition: border-color .2s; }
.sub-form input:focus { border-color: var(--gold); }
.sub-form input::placeholder { color: var(--ink-3); }
.sub-form .btn { white-space: nowrap; }
.sub-msg { color: var(--gold); font-size: 15px; margin-top: 14px; }

/* ---------- Kvíz ---------- */
.quiz { margin-top: 40px; background: var(--glass-2); border: 1px solid var(--line); border-radius: 20px; padding: 44px; min-height: 260px; text-align: center; }
.quiz-bar { height: 4px; border-radius: 4px; background: rgba(255,255,255,0.1); margin-bottom: 26px; overflow: hidden; }
.quiz-bar-fill { height: 100%; background: var(--gold); border-radius: 4px; transition: width .3s ease; }
.quiz-step { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.quiz-q { font-family: var(--serif); font-size: clamp(20px,2.6vw,26px); color: var(--ink); margin-bottom: 26px; }
.quiz-sub { color: var(--ink-2); font-size: 16px; margin: 0 auto 24px; max-width: 46ch; }
.quiz-opts { display: grid; gap: 12px; max-width: 460px; margin: 0 auto; }
.quiz-opt { padding: 16px 22px; border-radius: 12px; background: var(--glass); border: 1px solid var(--line); color: var(--ink); font-family: var(--sans); font-size: 16px; cursor: pointer; transition: .18s; }
.quiz-opt:hover { border-color: var(--gold); background: rgba(198,168,107,0.1); color: var(--gold); }
.quiz-form { display: flex; gap: 10px; max-width: 460px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.quiz-form input { flex: 1; min-width: 200px; background: rgba(8,11,17,0.5); border: 1px solid var(--line); border-radius: 999px; padding: 13px 20px; color: var(--ink); font-family: var(--sans); font-size: 15px; outline: none; }
.quiz-form input:focus { border-color: var(--gold); }
.quiz-form input::placeholder { color: var(--ink-3); }
.quiz-result { font-family: var(--serif); font-size: clamp(24px,3.2vw,34px); color: var(--gold); margin-bottom: 14px; }

/* ---------- MAITRIX odkazy ---------- */
.maitrix-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.maitrix-direct { color: var(--red); font-size: 14px; font-weight: 500; border-bottom: 1px solid transparent; transition: border-color .2s; }
.maitrix-direct:hover { border-color: var(--red); }

/* ---------- Proces (uzly + linka) ---------- */
.step-n { display: inline-flex; align-items: center; justify-content: center; width: 54px; height: 54px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line-gold); font-family: var(--serif); font-size: 20px; color: var(--gold); position: relative; z-index: 1; }
@media (min-width: 941px) {
  .steps { position: relative; }
  .steps::before { content: ""; position: absolute; top: 27px; left: 4%; right: 4%; height: 1px; background: linear-gradient(90deg, transparent, var(--line-gold) 15%, var(--line-gold) 85%, transparent); z-index: 0; }
}
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo { order: -1; height: 340px; }
  .cards-4 { grid-template-columns: 1fr 1fr; }
  .svc-grid, .situations, .subscribe-grid { grid-template-columns: 1fr; }
  .calc-panel { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-photo { height: 380px; order: -1; }
  .steps { grid-template-columns: 1fr 1fr; gap: 28px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 30px 18px; padding: 36px 28px; }
  .maitrix-inner { grid-template-columns: 1fr; gap: 28px; padding: 36px; }
  .maitrix-logo { order: -1; text-align: left; }
  .audience { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .container { padding: 0 20px; }
  .site-header { top: 12px; padding: 0 12px; }
  .nav-shell { padding: 10px 12px 10px 20px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(10,13,19,0.96); backdrop-filter: blur(14px);
    border: 1px solid var(--line); border-radius: 18px; padding: 12px;
    max-height: 0; overflow: hidden; opacity: 0; pointer-events: none;
    transition: max-height .3s ease, opacity .25s ease;
  }
  .nav-links.open { max-height: 380px; opacity: 1; pointer-events: auto; }
  .nav-links > a { padding: 12px 14px; font-size: 15px; }
  .nav-links > a.btn { text-align: center; margin-top: 6px; }
  .cards-4 { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 22px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero-cta { gap: 16px; }
  .hero-cta .btn { width: 100%; text-align: center; }
  .footer-row { flex-direction: column; text-align: center; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}