/* ═══════════════════════════════════════════════════════════
   TradeStart — marketing site styles
   ═══════════════════════════════════════════════════════════ */

:root {
  --blue:       #1d4ed8;
  --blue-dark:  #1e3a8a;
  --blue-600:   #2563eb;
  --navy:       #0f172a;
  --ink:        #1e293b;
  --muted:      #64748b;
  --line:       #e2e8f0;
  --bg:         #ffffff;
  --bg-soft:    #f8fafc;
  --bg-alt:     #f1f5f9;
  --green:      #16a34a;
  --amber:      #d97706;
  --radius:     16px;
  --radius-sm:  10px;
  --shadow:     0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --shadow-lg:  0 20px 50px rgba(15,23,42,.14);
  --maxw:       1140px;
  --font:       'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; color: var(--navy); }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: .95rem; line-height: 1;
  padding: 12px 20px; border-radius: 10px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 15px 26px; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 6px 16px rgba(29,78,216,.28); }
.btn-primary:hover { background: var(--blue-dark); box-shadow: 0 10px 22px rgba(29,78,216,.34); }

.btn-outline { background: #fff; color: var(--blue); border-color: #cbd5e1; }
.btn-outline:hover { border-color: var(--blue); background: #f5f8ff; }

.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--bg-alt); }

.btn-white { background: #fff; color: var(--blue-dark); box-shadow: 0 8px 20px rgba(0,0,0,.18); }
.btn-white:hover { background: #eef2ff; }

.btn-ghost-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost-light:hover { background: rgba(255,255,255,.2); }

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(15,23,42,.05); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--navy); }
/* Primary mark (plumb line): ink follows the brand colour, bob uses the accent. */
.brand-mark {
  width: 30px; height: 30px; display: grid; place-items: center;
  color: inherit; --mark-accent: var(--blue);
}
.footer-brand .brand-mark { --mark-accent: #6b96ff; }
.brand-name { font-size: 1.18rem; letter-spacing: -.02em; }

.main-nav { display: flex; gap: 28px; }
.main-nav a { color: var(--muted); font-weight: 500; font-size: .95rem; transition: color .15s ease; }
.main-nav a:hover { color: var(--navy); }

.header-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu { display: flex; flex-direction: column; gap: 6px; padding: 16px 24px 22px; border-bottom: 1px solid var(--line); background: #fff; }
/* Respect the hidden attribute — a class selector would otherwise beat the
   UA [hidden]{display:none} rule and leave the menu visible. */
.mobile-menu[hidden] { display: none; }
/* Belt-and-braces: the mobile menu must never appear on desktop, even if it
   was left open while resizing down then back up. */
@media (min-width: 721px) { .mobile-menu { display: none !important; } }
.mobile-menu a:not(.btn) { padding: 10px 4px; color: var(--ink); font-weight: 500; border-bottom: 1px solid var(--bg-alt); }
.mobile-menu .btn { margin-top: 6px; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1000px 500px at 85% -10%, #dbeafe 0%, rgba(219,234,254,0) 60%),
    radial-gradient(800px 400px at 5% 0%, #eff6ff 0%, rgba(239,246,255,0) 55%),
    var(--bg);
  padding: 72px 0 80px;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-block; font-weight: 700; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--blue); background: #e0e7ff; padding: 6px 12px; border-radius: 999px; margin-bottom: 20px;
}
.eyebrow.light { color: #c7d2fe; background: rgba(255,255,255,.12); }

.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); font-weight: 900; }
.lead { font-size: 1.18rem; color: var(--muted); margin-top: 20px; max-width: 34ch; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero-trust { list-style: none; display: flex; flex-wrap: wrap; gap: 20px; padding: 0; margin: 26px 0 0; color: var(--muted); font-size: .92rem; font-weight: 500; }
.hero-trust li { color: var(--ink); }

/* Hero product mock */
.hero-visual { position: relative; }
.mock-window {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; background: var(--navy); }
.mock-bar > span { width: 11px; height: 11px; border-radius: 50%; background: #475569; }
.mock-bar > span:nth-child(1) { background: #f87171; }
.mock-bar > span:nth-child(2) { background: #fbbf24; }
.mock-bar > span:nth-child(3) { background: #34d399; }
.mock-url { margin-left: auto; font-size: .72rem; color: #94a3b8; background: #1e293b; padding: 4px 12px; border-radius: 6px; font-family: ui-monospace, monospace; }

.mock-body { display: grid; grid-template-columns: 78px 1fr; min-height: 300px; }
.mock-side { background: var(--bg-soft); border-right: 1px solid var(--line); padding: 16px 12px; display: flex; flex-direction: column; gap: 12px; }
.mock-logo { height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--blue-600), var(--blue-dark)); }
.mock-navitem { height: 12px; border-radius: 5px; background: #e2e8f0; }
.mock-navitem.active { background: #c7d2fe; }

.mock-main { padding: 22px; }
.mock-h { width: 46%; height: 20px; border-radius: 6px; background: #e2e8f0; margin-bottom: 20px; }
.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
.mock-stat { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.ms-label { height: 8px; width: 60%; background: #cbd5e1; border-radius: 4px; }
.ms-val { font-weight: 800; font-size: 1.05rem; color: var(--navy); }
.ms-val.green { color: var(--green); }
.ms-val.blue { color: var(--blue); }

.mock-chart { display: flex; align-items: flex-end; gap: 10px; height: 96px; padding-top: 4px; }
.mock-chart span { flex: 1; background: linear-gradient(180deg, var(--blue-600), #93c5fd); border-radius: 6px 6px 0 0; }

.mock-invoice {
  position: absolute; right: -14px; bottom: -28px; width: 210px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; box-shadow: var(--shadow-lg);
}
.mi-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.mi-head strong { font-family: ui-monospace, monospace; letter-spacing: 2px; font-size: .8rem; color: var(--navy); }
.mi-badge { font-size: .62rem; font-weight: 800; letter-spacing: .5px; color: #166534; background: #dcfce7; padding: 3px 8px; border-radius: 5px; }
.mi-row { display: flex; align-items: center; justify-content: space-between; margin: 6px 0; }
.mi-row span:first-child { height: 8px; width: 42%; background: #e2e8f0; border-radius: 4px; }
.mi-row b { color: var(--blue); font-size: 1.05rem; }
.mi-row.small span:last-child { font-size: .78rem; color: var(--muted); }
.mi-line { height: 1px; background: var(--line); margin: 10px 0; }

/* ── Trust strip ─────────────────────────────────────────── */
.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.trust-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 24px; }
.trust-item { text-align: center; display: flex; flex-direction: column; gap: 2px; }
.trust-item b { font-size: 1.4rem; color: var(--navy); font-weight: 800; }
.trust-item span { font-size: .86rem; color: var(--muted); }

/* ── Sections ────────────────────────────────────────────── */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 800; margin-top: 12px; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin-top: 16px; }

/* ── Features grid ───────────────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cbd5e1; }
.feature-icon { width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 18px; }
.feature-icon svg { width: 26px; height: 26px; }
.i-blue   { background: #dbeafe; color: #1d4ed8; }
.i-amber  { background: #fef3c7; color: #b45309; }
.i-green  { background: #dcfce7; color: #15803d; }
.i-purple { background: #ede9fe; color: #6d28d9; }
.i-sky    { background: #cffafe; color: #0e7490; }
.i-rose   { background: #ffe4e6; color: #be123c; }
.feature h3 { font-size: 1.22rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: .98rem; }

/* ── Field / mobile ──────────────────────────────────────── */
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.field-copy h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 800; margin-top: 12px; }
.field-copy > p { color: var(--muted); font-size: 1.08rem; margin-top: 16px; }
.check-list { list-style: none; padding: 0; margin: 24px 0 30px; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 32px; color: var(--ink); font-weight: 500; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: #dcfce7 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2316a34a'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/13px no-repeat;
}

/* Phone mock */
.field-visual { display: grid; place-items: center; }
.phone {
  width: 280px; background: var(--navy); border-radius: 34px; padding: 12px; position: relative;
  box-shadow: var(--shadow-lg);
}
.phone-notch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 120px; height: 22px; background: var(--navy); border-radius: 0 0 14px 14px; z-index: 2; }
.phone-screen { background: var(--bg-soft); border-radius: 24px; padding: 34px 16px 20px; min-height: 440px; }
.ph-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.ph-title { font-weight: 800; font-size: 1.1rem; color: var(--navy); }
.ph-chip { font-size: .68rem; font-weight: 700; color: var(--blue); background: #dbeafe; padding: 4px 9px; border-radius: 999px; }
.ph-job { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 13px 14px; margin-bottom: 11px; box-shadow: 0 1px 2px rgba(15,23,42,.04); }
.ph-job.done { opacity: .72; }
.ph-job-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px; }
.ph-job-head b { font-family: ui-monospace, monospace; font-size: .82rem; color: var(--navy); }
.ph-status { font-size: .64rem; font-weight: 700; padding: 3px 8px; border-radius: 6px; background: #e2e8f0; color: #475569; }
.ph-status.green { background: #dcfce7; color: #166534; }
.ph-status.amber { background: #fef3c7; color: #92400e; }
.ph-sub { font-size: .78rem; color: var(--muted); }
.ph-cta { margin-top: 14px; text-align: center; font-weight: 700; font-size: .9rem; color: #fff; background: var(--blue); padding: 12px; border-radius: 10px; }

/* ── Demo section ────────────────────────────────────────── */
.demo-section { padding: 40px 0 88px; }
.demo-card {
  position: relative; overflow: hidden; border-radius: 28px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-600) 55%, #3b82f6);
  color: #fff; padding: 64px 48px; text-align: center;
  box-shadow: var(--shadow-lg);
}
.demo-glow { position: absolute; inset: 0; background: radial-gradient(600px 300px at 80% -20%, rgba(255,255,255,.22), transparent 60%), radial-gradient(500px 260px at 10% 120%, rgba(255,255,255,.14), transparent 60%); pointer-events: none; }
.demo-content { position: relative; max-width: 620px; margin: 0 auto; }
.demo-card h2 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 800; margin-top: 12px; }
.demo-card > .demo-content > p { color: #dbeafe; font-size: 1.1rem; margin-top: 16px; }
.demo-card .btn { margin-top: 28px; }
.demo-creds {
  margin-top: 24px; display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); padding: 10px 18px; border-radius: 12px;
  font-size: .92rem; color: #e0e7ff;
}
.demo-creds code { font-family: ui-monospace, monospace; color: #fff; background: rgba(255,255,255,.14); padding: 3px 9px; border-radius: 6px; font-size: .88rem; }
.demo-creds .sep { opacity: .5; }

/* ── Steps ───────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { text-align: center; padding: 0 12px; }
.step-num {
  width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 15px; display: grid; place-items: center;
  font-weight: 800; font-size: 1.35rem; color: #fff;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-dark)); box-shadow: 0 8px 18px rgba(29,78,216,.3);
}
.step h3 { font-size: 1.25rem; margin-bottom: 8px; }
.step p { color: var(--muted); }

/* ── Pricing ─────────────────────────────────────────────── */
.pricing-wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: stretch; max-width: 900px; margin: 0 auto; }
.price-card {
  position: relative; background: #fff; border: 2px solid var(--blue); border-radius: 22px; padding: 36px 32px;
  box-shadow: var(--shadow-lg);
}
.price-badge {
  position: absolute; top: -14px; left: 32px; background: var(--blue); color: #fff;
  font-size: .78rem; font-weight: 700; padding: 5px 14px; border-radius: 999px;
}
.price { display: flex; align-items: baseline; gap: 8px; margin: 12px 0 6px; }
.price-amount { font-size: 3rem; font-weight: 900; color: var(--navy); letter-spacing: -.03em; }
.price-period { color: var(--muted); font-weight: 500; }
.price-note { color: var(--muted); font-size: .92rem; margin-bottom: 22px; }
.price-features { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 12px; }
.price-features li { position: relative; padding-left: 30px; color: var(--ink); font-size: .98rem; }
.price-features li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 19px; height: 19px; border-radius: 50%;
  background: #dbeafe url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231d4ed8'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/12px no-repeat;
}
.price-fine { text-align: center; color: var(--muted); font-size: .84rem; margin-top: 12px; }

.price-aside {
  background: var(--bg); border: 1px solid var(--line); border-radius: 22px; padding: 32px;
  display: flex; flex-direction: column; justify-content: center; gap: 14px;
}
.price-aside h3 { font-size: 1.3rem; }
.price-aside p { color: var(--muted); }
.price-aside .btn { align-self: flex-start; margin-top: 4px; }

/* Affordability comparison */
.price-compare { max-width: 900px; margin: 26px auto 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 16px; }
.pc-col { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px 24px; display: flex; flex-direction: column; gap: 5px; }
.pc-us { border: 2px solid var(--blue); box-shadow: var(--shadow); }
.pc-tag { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.pc-us .pc-tag { color: var(--blue); }
.pc-amt { font-size: 1.7rem; font-weight: 900; color: var(--navy); letter-spacing: -.02em; }
.pc-them .pc-amt { color: var(--muted); }
.pc-amt small { display: block; font-size: .8rem; font-weight: 600; color: var(--muted); letter-spacing: 0; margin-top: 3px; }
.pc-desc { font-size: .86rem; color: var(--muted); line-height: 1.5; margin-top: 2px; }
.pc-mid { align-self: center; font-weight: 800; color: #94a3b8; font-size: .9rem; }
.price-compare-note { max-width: 900px; margin: 10px auto 0; text-align: center; color: var(--muted); font-size: .78rem; }
@media (max-width: 560px) { .price-compare { grid-template-columns: 1fr; } .pc-mid { display: none; } }

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-container { max-width: 760px; }
.faq-list { display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 4px 22px; transition: border-color .15s ease, box-shadow .15s ease; }
.faq-item[open] { border-color: #c7d2fe; box-shadow: var(--shadow); }
.faq-item summary {
  cursor: pointer; list-style: none; font-weight: 600; color: var(--navy); font-size: 1.05rem;
  padding: 18px 34px 18px 0; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--blue); transition: transform .2s ease;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding: 0 0 20px; }
.faq-item a { color: var(--blue); font-weight: 600; }

/* ── Final CTA ───────────────────────────────────────────── */
.final-cta { background: var(--navy); color: #fff; padding: 80px 0; text-align: center; }
.final-inner { max-width: 620px; margin: 0 auto; }
.final-cta h2 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 800; }
.final-cta p { color: #cbd5e1; font-size: 1.12rem; margin-top: 14px; }
.final-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer { background: #0b1220; color: #94a3b8; padding: 56px 0 28px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .brand { color: #fff; }
.footer-brand p { margin-top: 14px; max-width: 30ch; font-size: .95rem; }
.footer-col h4 { color: #fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 14px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #94a3b8; font-size: .95rem; transition: color .15s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; font-size: .86rem; color: #64748b; flex-wrap: wrap; gap: 8px; }
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #fff; }

/* ═══ Responsive ═══════════════════════════════════════════ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 520px; }
  .field-grid { grid-template-columns: 1fr; gap: 40px; }
  .field-visual { order: -1; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-wrap { grid-template-columns: 1fr; max-width: 520px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .demo-card { padding: 48px 26px; border-radius: 22px; }
  .lead { max-width: none; }
  .mock-invoice { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 60px; }
  .hero-actions .btn { flex: 1; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

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