/* =========================================================================
   realizzazionesitiweb.ai — style.css
   Sito web professionale a 95€ realizzato con l'intelligenza artificiale
   ========================================================================= */

:root {
  /* Colori */
  --ink:        #0b0d12;
  --ink-2:      #14161f;
  --ink-3:      #1d2030;
  --paper:      #ffffff;
  --paper-2:    #f6f7fb;
  --paper-3:    #edeff6;
  --line:       rgba(11, 13, 18, 0.10);
  --line-soft:  rgba(11, 13, 18, 0.06);
  --text:       #363b47;
  --muted:      #6b7280;
  --heading:    #0b0d12;
  --on-dark:    rgba(255, 255, 255, 0.92);
  --on-dark-mut:rgba(255, 255, 255, 0.60);

  --brand:      #5b5bd6;
  --brand-2:    #8b5cf6;
  --brand-3:    #06b6d4;
  --brand-ink:  #3b37b0;
  --brand-tint: #f1f0fe;

  --grad:       linear-gradient(115deg, #6366f1 0%, #8b5cf6 45%, #06b6d4 100%);
  --grad-text:  linear-gradient(115deg, #a5b4fc 0%, #c4b5fd 45%, #67e8f9 100%);
  --grad-soft:  linear-gradient(140deg, #eef0ff 0%, #f5edff 55%, #e8fbff 100%);

  /* Forma */
  --r-sm: 12px;
  --r:    18px;
  --r-lg: 26px;
  --r-xl: 34px;
  --maxw: 1160px;

  /* Ombre */
  --sh-sm: 0 1px 2px rgba(11,13,18,.05), 0 2px 10px rgba(11,13,18,.05);
  --sh:    0 14px 46px -14px rgba(11,13,18,.20);
  --sh-lg: 0 34px 80px -24px rgba(11,13,18,.28);
  --sh-brand: 0 26px 64px -18px rgba(99,102,241,.55);

  /* Tipografia */
  --font-display: 'Sora', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --tr: .28s cubic-bezier(.4, 0, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 92px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--brand-2); color: #fff; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--heading);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 700;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }
.section { padding: clamp(64px, 9vw, 116px) 0; }
.section--tight { padding: clamp(48px, 6vw, 76px) 0; }
.section--dark { background: var(--ink); color: var(--on-dark); }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--soft { background: var(--paper-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 16px;
}
.section--dark .eyebrow { color: #a5b4fc; }
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.section-head { max-width: 720px; margin-bottom: clamp(38px, 5vw, 62px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
.section-head p { margin-top: 16px; font-size: 1.12rem; color: var(--muted); }
.section--dark .section-head p { color: var(--on-dark-mut); }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.section--dark .grad-text { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform var(--tr), box-shadow var(--tr), background var(--tr), color var(--tr), border-color var(--tr);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: var(--sh-brand); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 30px 70px -16px rgba(99,102,241,.62); }
.btn--ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.22); backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { transform: translateY(-2px); box-shadow: var(--sh); }
.btn--light { background: #fff; color: var(--ink); border-color: var(--line); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--sh); }
.btn--lg { padding: 18px 34px; font-size: 1.06rem; }
.btn--block { width: 100%; }

.btn-note { font-size: .86rem; color: var(--muted); }
.section--dark .btn-note { color: var(--on-dark-mut); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  /* la topbar galleggia sopra la hero scura: il contenuto le scorre sotto */
  margin-bottom: -74px;
  background: transparent;
  transition: background var(--tr), box-shadow var(--tr), backdrop-filter var(--tr);
}
.site-header.is-stuck {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line-soft), 0 10px 30px -18px rgba(11,13,18,.25);
}
.site-header.is-stuck .nav-links a { color: var(--text); }
.site-header.is-stuck .brand { color: var(--ink); }
.site-header.is-stuck .nav-toggle { color: var(--ink); }
.nav {
  display: flex; align-items: center; gap: 30px;
  height: 74px;
}
.brand {
  display: inline-flex; align-items: baseline; gap: 2px;
  font-family: var(--font-display); font-weight: 800;
  font-size: 1.16rem; letter-spacing: -0.03em; color: #fff;
}
.brand:hover { text-decoration: none; }
.brand b { font-weight: 800; }
.brand .dot-ai {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-links {
  display: flex; align-items: center; gap: 26px;
  margin-left: auto;
  list-style: none;
}
.nav-links a {
  font-size: .96rem; font-weight: 500; color: rgba(255,255,255,.82);
  transition: color var(--tr);
}
.nav-links a:hover { color: #fff; text-decoration: none; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 11px 20px; font-size: .93rem; box-shadow: none; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px; border: 0; background: transparent;
  color: #fff; align-items: center; justify-content: center;
}
.site-header.is-stuck .nav-toggle { color: var(--ink); }
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--on-dark);
  padding: clamp(108px, 13vw, 168px) 0 clamp(70px, 10vw, 130px);
  overflow: hidden;
  isolation: isolate;
}
.hero::before, .hero::after {
  content: ""; position: absolute; z-index: -1; border-radius: 50%;
  filter: blur(90px); opacity: .55;
}
.hero::before { width: 620px; height: 620px; top: -230px; left: -180px;
  background: radial-gradient(circle at 30% 30%, #6366f1, transparent 70%); }
.hero::after { width: 560px; height: 560px; right: -200px; top: 40px;
  background: radial-gradient(circle at 60% 40%, #06b6d4, transparent 70%); opacity: .4; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 10px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  font-size: .86rem; color: var(--on-dark-mut);
  margin-bottom: 26px;
}
.hero-badge .pill {
  font-family: var(--font-display); font-weight: 700; font-size: .78rem;
  padding: 3px 10px; border-radius: 999px;
  background: var(--grad); color: #fff; letter-spacing: .02em;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
}
.hero h1 .price {
  white-space: nowrap;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  margin-top: 22px;
  font-size: 1.18rem;
  color: var(--on-dark-mut);
  max-width: 34ch;
}
.hero-actions {
  margin-top: 34px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
}
.hero-points {
  margin-top: 30px;
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  list-style: none;
  font-size: .95rem; color: var(--on-dark-mut);
}
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points svg { width: 18px; height: 18px; color: #67e8f9; flex: none; }

/* Browser mockup */
.mockup {
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, #23263a, #171926);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--sh-lg);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-11deg) rotateX(4deg);
  transition: transform var(--tr);
}
.mockup:hover { transform: perspective(1400px) rotateY(-6deg) rotateX(2deg); }
.mockup-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 13px 16px; background: rgba(255,255,255,.05);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mockup-bar i { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.22); }
.mockup-bar .url {
  margin-left: 10px; font-size: .74rem; color: rgba(255,255,255,.5);
  font-family: var(--font-body);
}
.mockup-body { background: #fff; padding: 20px; }
.mk-nav { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.mk-logo { width: 74px; height: 12px; border-radius: 4px; background: var(--grad); }
.mk-nav span { width: 34px; height: 7px; border-radius: 4px; background: var(--paper-3); }
.mk-nav span:first-of-type { margin-left: auto; }
.mk-hero { border-radius: 14px; background: var(--grad-soft); padding: 22px; }
.mk-hero .l { height: 12px; border-radius: 5px; background: rgba(91,91,214,.25); }
.mk-hero .l.w1 { width: 82%; } .mk-hero .l.w2 { width: 62%; margin-top: 9px; }
.mk-hero .l.w3 { width: 45%; margin-top: 9px; background: rgba(6,182,212,.25); }
.mk-hero .btn-fake { margin-top: 16px; width: 96px; height: 26px; border-radius: 999px; background: var(--grad); }
.mk-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.mk-card { height: 58px; border-radius: 10px; background: var(--paper-2); border: 1px solid var(--line-soft); }

/* ---------- Trust bar ---------- */
.trustbar {
  background: var(--ink-2);
  border-top: 1px solid rgba(255,255,255,.07);
}
.trustbar ul {
  list-style: none;
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 14px 40px;
  padding: 22px 0;
}
.trustbar li {
  display: flex; align-items: center; gap: 10px;
  font-size: .92rem; color: var(--on-dark-mut);
  font-family: var(--font-display); font-weight: 500;
}
.trustbar svg { width: 19px; height: 19px; color: #a5b4fc; flex: none; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper);
  transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr);
}
.step:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: transparent; }
.step-num {
  counter-increment: step;
  font-family: var(--font-display); font-weight: 800;
  font-size: 1rem; color: #fff;
  width: 42px; height: 42px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad);
  margin-bottom: 18px;
}
.step-num::before { content: counter(step, decimal-leading-zero); }
.step h3 { font-size: 1.18rem; margin-bottom: 8px; }
.step p { font-size: .98rem; color: var(--muted); }

/* ---------- Feature / included ---------- */
.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.feature-list { list-style: none; display: grid; gap: 14px; }
.feature-list li {
  display: grid; grid-template-columns: 26px 1fr; gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--r-sm);
  background: var(--paper);
  border: 1px solid var(--line);
}
.feature-list li b { color: var(--heading); font-family: var(--font-display); font-weight: 600; }
.feature-list li span { color: var(--muted); font-size: .96rem; display: block; }
.feature-list svg { width: 24px; height: 24px; color: var(--brand); margin-top: 2px; }

.notecard {
  border-radius: var(--r);
  border: 1px dashed var(--line);
  background: var(--paper-2);
  padding: 26px;
}
.notecard h3 { font-size: 1.1rem; margin-bottom: 12px; }
.notecard ul { list-style: none; display: grid; gap: 10px; }
.notecard li { display: flex; gap: 10px; font-size: .95rem; color: var(--muted); }
.notecard li svg { width: 18px; height: 18px; flex: none; margin-top: 3px; color: var(--muted); }
.notecard p { margin-top: 14px; font-size: .9rem; color: var(--muted); }

/* ---------- Why / value cards ---------- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vcard {
  padding: 32px 28px;
  border-radius: var(--r);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  transition: transform var(--tr), background var(--tr);
}
.vcard:hover { transform: translateY(-5px); background: rgba(255,255,255,.07); }
.vcard .ic {
  width: 50px; height: 50px; border-radius: 15px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad); margin-bottom: 20px;
}
.vcard .ic svg { width: 24px; height: 24px; color: #fff; }
.vcard h3 { font-size: 1.2rem; margin-bottom: 10px; color: #fff; }
.vcard p { font-size: .98rem; color: var(--on-dark-mut); }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 54px; padding-top: 44px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.stat b {
  display: block;
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { display: block; margin-top: 8px; font-size: .92rem; color: var(--on-dark-mut); }

/* ---------- Comparison table ---------- */
.compare-wrap { overflow-x: auto; border-radius: var(--r); border: 1px solid var(--line); }
.compare { width: 100%; border-collapse: collapse; min-width: 680px; background: var(--paper); }
.compare th, .compare td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--line-soft); font-size: .98rem; }
.compare thead th { font-family: var(--font-display); font-size: .92rem; color: var(--muted); background: var(--paper-2); }
.compare thead th.us { color: var(--brand-ink); }
.compare tbody th { font-family: var(--font-body); font-weight: 600; color: var(--heading); }
.compare td.us { background: var(--brand-tint); color: var(--brand-ink); font-weight: 600; }
.compare tr:last-child td, .compare tr:last-child th { border-bottom: 0; }

/* ---------- Pricing ---------- */
.pricing { display: flex; justify-content: center; }
.plan {
  position: relative;
  width: min(520px, 100%);
  border-radius: var(--r-xl);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--sh-lg);
  padding: clamp(30px, 4vw, 46px);
  overflow: hidden;
}
.plan::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: var(--grad);
}
.plan .tag {
  display: inline-block; font-family: var(--font-display); font-weight: 600;
  font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 16px;
}
.plan .price {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px;
}
.plan .price .amount {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(3rem, 7vw, 4.4rem); line-height: 1;
  letter-spacing: -0.04em; color: var(--heading);
}
.plan .price .cur { font-family: var(--font-display); font-weight: 800; font-size: 2rem; color: var(--heading); }
.plan .price .per { font-size: .96rem; color: var(--muted); }
.plan .price-sub { font-size: .92rem; color: var(--muted); margin-bottom: 26px; }
.plan .incl { list-style: none; display: grid; gap: 12px; margin-bottom: 30px; }
.plan .incl li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; font-size: .98rem; }
.plan .incl svg { width: 20px; height: 20px; color: var(--brand); margin-top: 3px; }
.plan .incl li.off { color: var(--muted); }
.plan .incl li.off svg { color: #cbd0dc; }
.plan .foot { margin-top: 18px; text-align: center; font-size: .86rem; color: var(--muted); }
.plan .foot a { color: var(--brand-ink); }

/* ---------- Testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote {
  padding: 28px;
  border-radius: var(--r);
  background: var(--paper);
  border: 1px solid var(--line);
}
.quote .stars { display: flex; gap: 3px; margin-bottom: 14px; color: #f5b301; }
.quote .stars svg { width: 17px; height: 17px; }
.quote p { font-size: 1rem; color: var(--text); }
.quote .who { margin-top: 18px; display: flex; align-items: center; gap: 12px; }
.quote .av {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: .9rem;
}
.quote .who b { font-family: var(--font-display); font-size: .95rem; color: var(--heading); display: block; }
.quote .who span { font-size: .84rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin-inline: auto; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 44px 20px 0;
  position: relative;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  color: var(--heading);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute; right: 4px; top: 24px;
  width: 12px; height: 12px;
  border-right: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(45deg);
  transition: transform var(--tr);
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq details p { padding: 0 20px 22px 0; color: var(--muted); font-size: 1rem; }

/* ---------- Final CTA ---------- */
.finalcta { text-align: center; }
.finalcta h2 { font-size: clamp(2rem, 4.6vw, 3.2rem); color: #fff; }
.finalcta p { margin: 18px auto 32px; color: var(--on-dark-mut); font-size: 1.15rem; max-width: 52ch; }
.finalcta .btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--on-dark-mut); padding: 68px 0 34px; border-top: 1px solid rgba(255,255,255,.08); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-grid .brand { color: #fff; margin-bottom: 14px; }
.footer-about p { font-size: .95rem; max-width: 40ch; }
.footer-col h4 { font-family: var(--font-display); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--on-dark-mut); font-size: .95rem; padding: 5px 0; }
.footer-col a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 26px;
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between;
  font-size: .86rem;
}
.footer-bottom a { color: var(--on-dark-mut); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.4,0,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .06s; }
.reveal.d2 { transition-delay: .12s; }
.reveal.d3 { transition-delay: .18s; }
.reveal.d4 { transition-delay: .24s; }

/* ---------- Skip link ---------- */
.skip {
  position: absolute; left: 12px; top: -60px;
  background: #fff; color: var(--ink); padding: 10px 16px; border-radius: 10px;
  z-index: 200; transition: top .2s;
}
.skip:focus { top: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 480px; margin-inline: auto; }
  .mockup { transform: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards-3, .quotes { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav { height: 64px; }
  .site-header { margin-bottom: -64px; }
  .nav.open { position: relative; }
  .mobile-menu {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    background: #fff;
    border-top: 1px solid var(--line);
    box-shadow: var(--sh);
    padding: 14px 22px 22px;
  }
  .mobile-menu.show { display: block; }
  .mobile-menu a { display: block; padding: 13px 0; color: var(--text); font-family: var(--font-display); font-weight: 500; border-bottom: 1px solid var(--line-soft); }
  .mobile-menu .btn { width: 100%; margin-top: 14px; }
  .steps, .cards-3, .quotes, .stats { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2.1rem, 9vw, 2.9rem); }
  .hero-sub { max-width: none; }
  .btn { width: 100%; }
  .hero-actions .btn, .finalcta .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

/* menu visible only on mobile */
.mobile-menu { display: none; }