/* ============================================================
   SpotBot — brand stylesheet
   Palette:  Deep Clinical Navy #123351 · Diagnostic Teal #13AEC9
             Lesion Accent Peach #DB8674 · Slate Blue Gray #B3BFCD
             Cool Light Gray #E6E4E8 · Soft White #FFFFFF
   Type:     Nunito Sans (headings) · Inter (body)
   ============================================================ */

:root {
  --navy: #123351;
  --navy-deep: #0c2236;
  --navy-700: #1c4a73;
  --teal: #13aec9;
  --teal-dark: #0f93ab;
  --teal-soft: #e3f6fa;
  --peach: #db8674;
  --peach-soft: #fbeae5;
  --slate: #b3bfcd;
  --gray: #e6e4e8;
  --gray-bg: #f4f6f9;
  --white: #ffffff;
  --ink: #14253a;
  --muted: #5b6b7d;

  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(18, 51, 81, 0.06);
  --shadow: 0 14px 40px rgba(18, 51, 81, 0.10);
  --shadow-lg: 0 30px 70px rgba(18, 51, 81, 0.18);
  --maxw: 1140px;
  --font-head: "Nunito Sans", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.12; margin: 0; font-weight: 800; }
p { margin: 0 0 1rem; }
a { color: var(--teal-dark); text-decoration: none; }
img { max-width: 100%; display: block; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--navy); color: #fff;
  padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 1000;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-head); font-weight: 800; font-size: 1rem;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-align: center; white-space: nowrap; line-height: 1;
}
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 10px 24px rgba(19, 174, 201, 0.35); }
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 16px 30px rgba(19, 174, 201, 0.42); }
.btn-secondary { background: transparent; color: var(--navy); border-color: var(--slate); }
.btn-secondary:hover { border-color: var(--navy); background: var(--navy); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ---------- Wordmark (CSS text, theme-able) ---------- */
.wordmark { font-family: var(--font-head); font-weight: 900; font-size: 1.6rem; letter-spacing: -0.02em; display: inline-flex; align-items: center; }
.wordmark .spot { color: var(--navy); }
.wordmark .bot { color: var(--teal); }
.wordmark--light .spot { color: #fff; }
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; }
.brand-lockup img { height: 38px; width: auto; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid rgba(18,51,81,0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.nav-list { display: flex; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-link { color: var(--navy); font-weight: 600; font-size: .98rem; position: relative; }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--teal); transition: width .2s ease; }
.nav-link:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-actions .btn { padding: 11px 20px; font-size: .95rem; }
.login-link { color: var(--navy); font-weight: 700; font-family: var(--font-head); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.nav-mobile-login { display: none; }
.login-link:hover { color: var(--teal-dark); }

.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.mobile-toggle span { width: 24px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background:
    radial-gradient(1100px 520px at 85% -10%, var(--teal-soft) 0%, transparent 60%),
    linear-gradient(180deg, #fbfdfe 0%, #eef3f8 100%); }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; padding: 70px 24px 80px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 800;
  font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--teal-dark);
  background: var(--teal-soft); padding: 7px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(2.6rem, 5.4vw, 4.1rem); font-weight: 900; letter-spacing: -0.02em; }
.hero h1 .dot { color: var(--teal); }
.hero-lead { font-size: 1.18rem; color: var(--muted); max-width: 33ch; margin: 22px 0 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 30px; display: flex; gap: 26px; flex-wrap: wrap; color: var(--muted); font-size: .9rem; }
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.hero-trust svg { color: var(--teal); flex-shrink: 0; }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-mascot { width: min(420px, 90%); filter: drop-shadow(0 24px 40px rgba(18,51,81,0.22)); position: relative; z-index: 2; }
.hero-blob { position: absolute; width: 78%; aspect-ratio: 1; background: radial-gradient(circle at 50% 40%, #fff 0%, var(--teal-soft) 70%); border-radius: 48% 52% 55% 45%; z-index: 1; box-shadow: var(--shadow); }
.hero-chip {
  position: absolute; z-index: 3; background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  padding: 12px 16px; display: flex; align-items: center; gap: 10px; font-weight: 700; font-family: var(--font-head); font-size: .9rem; color: var(--navy);
}
.hero-chip .ic { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; color: #fff; flex-shrink: 0; }
.hero-chip-1 { top: 8%; left: -2%; }
.hero-chip-2 { bottom: 10%; right: -4%; }
.hero-chip-1 .ic { background: var(--teal); }
.hero-chip-2 .ic { background: var(--peach); }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section--gray { background: var(--gray-bg); }
.section--navy { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%); color: #dce6f0; }
.section--navy h2, .section--navy h3 { color: #fff; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.eyebrow {
  display: inline-block; font-family: var(--font-head); font-weight: 800; font-size: .8rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--teal-dark); margin-bottom: 14px;
}
.section--navy .eyebrow { color: var(--teal); }
.section-head h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
.section-head p { font-size: 1.12rem; color: var(--muted); margin-top: 16px; }
.section--navy .section-head p { color: var(--slate); }

/* ---------- Positioning strip ---------- */
.strip { background: var(--navy); color: #fff; }
.strip-inner { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 22px 24px; text-align: center; flex-wrap: wrap; }
.strip-inner strong { font-family: var(--font-head); }
.strip-tag { background: var(--teal); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; }

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

.card {
  background: #fff; border: 1px solid rgba(18,51,81,0.08); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(19,174,201,0.35); }
.card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; }
.card-ic { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px; color: #fff; }
.ic-teal { background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%); }
.ic-navy { background: linear-gradient(135deg, var(--navy-700) 0%, var(--navy) 100%); }
.ic-peach { background: linear-gradient(135deg, #e89a89 0%, var(--peach) 100%); }

/* Pillars (Capture/Consult/Compare) */
.pillar { text-align: center; }
.pillar .step-num { font-family: var(--font-head); font-weight: 900; color: var(--teal); font-size: .9rem; letter-spacing: .1em; }
.pillar h3 { margin: 8px 0 10px; font-size: 1.35rem; }

/* ---------- Steps / workflow ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  position: relative; background: #fff; border: 1px solid rgba(18,51,81,0.08); border-radius: var(--radius);
  padding: 28px 26px 24px; box-shadow: var(--shadow-sm);
}
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: -16px; left: 26px; width: 38px; height: 38px; border-radius: 11px;
  background: var(--navy); color: #fff; font-family: var(--font-head); font-weight: 900;
  display: grid; place-items: center; box-shadow: 0 8px 18px rgba(18,51,81,0.25);
}
.step:nth-child(3n-1)::before { background: var(--teal); }
.step:nth-child(3n)::before { background: var(--peach); }
.step h4 { margin: 14px 0 6px; font-size: 1.1rem; }
.step p { color: var(--muted); margin: 0; font-size: .96rem; }

.metric-callout {
  margin-top: 40px; background: linear-gradient(135deg, var(--teal-soft) 0%, #fff 100%);
  border: 1px solid rgba(19,174,201,0.3); border-radius: var(--radius-lg); padding: 28px 34px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.metric-callout .big { font-family: var(--font-head); font-weight: 900; font-size: 2.6rem; color: var(--teal-dark); line-height: 1; }
.metric-callout p { margin: 0; color: var(--navy); font-weight: 600; }

/* ---------- Pillars on navy (architecture) ---------- */
.feature-row { display: flex; gap: 20px; align-items: flex-start; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,0.10); }
.feature-row:last-child { border-bottom: 0; }
.feature-row .fic { width: 50px; height: 50px; border-radius: 13px; background: rgba(19,174,201,0.16); color: var(--teal); display: grid; place-items: center; flex-shrink: 0; }
.feature-row h3 { font-size: 1.18rem; margin-bottom: 4px; }
.feature-row p { color: var(--slate); margin: 0; }

/* ---------- Data moat flow ---------- */
.moat-flow { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; margin-top: 10px; }
.moat-col { background: #fff; border: 1px solid rgba(18,51,81,0.08); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.moat-col h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--teal-dark); margin-bottom: 14px; }
.moat-col ul { margin: 0; padding-left: 18px; color: var(--muted); }
.moat-col li { margin-bottom: 7px; }
.moat-arrow { color: var(--teal); display: grid; place-items: center; }

/* ---------- Roadmap timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 20px; position: relative; }
.tl-item { padding: 0 14px; position: relative; }
.tl-item::before { content: ""; position: absolute; top: 9px; left: 0; right: 0; height: 3px; background: rgba(255,255,255,0.16); }
.tl-item:first-child::before { left: 50%; }
.tl-item:last-child::before { right: 50%; }
.tl-dot { width: 20px; height: 20px; border-radius: 50%; background: var(--teal); border: 4px solid var(--navy); position: relative; z-index: 2; margin: 0 auto 18px; box-shadow: 0 0 0 3px rgba(19,174,201,0.3); }
.tl-when { font-family: var(--font-head); font-weight: 900; color: #fff; font-size: 1rem; text-align: center; }
.tl-phase { color: var(--teal); font-weight: 700; text-align: center; font-size: .92rem; margin: 4px 0 8px; }
.tl-desc { color: var(--slate); font-size: .86rem; text-align: center; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%); color: #fff; border-radius: var(--radius-lg); padding: 54px; text-align: center; box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.4rem); }
.cta-band p { color: rgba(255,255,255,0.92); max-width: 52ch; margin: 14px auto 28px; font-size: 1.1rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; align-items: start; }
.contact-info h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); }
.contact-info p { color: var(--muted); font-size: 1.08rem; }
.contact-methods { margin-top: 26px; display: grid; gap: 14px; }
.contact-method { display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid rgba(18,51,81,0.08); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow-sm); }
.contact-method .cic { width: 44px; height: 44px; border-radius: 11px; background: var(--teal-soft); color: var(--teal-dark); display: grid; place-items: center; flex-shrink: 0; }
.contact-method .lbl { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 2px; }
.contact-method .val { display: block; font-family: var(--font-head); font-weight: 700; color: var(--navy); }

.form { background: #fff; border: 1px solid rgba(18,51,81,0.08); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-head); font-weight: 700; font-size: .9rem; color: var(--navy); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--gray); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 1rem; color: var(--ink); background: #fcfdfe; transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(19,174,201,0.18); }
.field textarea { resize: vertical; min-height: 120px; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: .85rem; color: var(--muted); margin: 14px 0 0; }
.form-status { margin-top: 16px; padding: 14px 16px; border-radius: var(--radius-sm); font-weight: 600; display: none; }
.form-status.ok { display: block; background: var(--teal-soft); color: var(--teal-dark); }
.form-status.err { display: block; background: var(--peach-soft); color: #b5503a; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-deep); color: var(--slate); padding: 60px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer .wordmark { font-size: 1.8rem; }
.footer-tag { color: var(--slate); max-width: 34ch; margin-top: 14px; }
.footer-col h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; color: var(--slate); margin-bottom: 10px; font-size: .96rem; }
.footer-col a:hover { color: var(--teal); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; font-size: .85rem; gap: 14px; flex-wrap: wrap; }
.footer-bottom .conf { background: rgba(219,134,116,0.18); color: #f0b3a4; padding: 4px 12px; border-radius: 999px; font-weight: 700; font-size: .75rem; }

/* ---------- Scan-frame motif ---------- */
.scanframe { position: relative; }
.scanframe::before, .scanframe::after,
.scanframe > .corner-tl, .scanframe > .corner-br { content: ""; position: absolute; width: 22px; height: 22px; border: 3px solid var(--teal); }

/* ============================================================
   Auth pages (login + members)
   ============================================================ */
.auth-page { min-height: 100vh; display: flex; flex-direction: column; background:
    radial-gradient(900px 500px at 80% -10%, rgba(19,174,201,0.18) 0%, transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%); color: #dce6f0; }
.auth-shell { flex: 1; display: grid; place-items: center; padding: 40px 20px; }
.auth-card { width: 100%; max-width: 430px; background: #fff; color: var(--ink); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-lg); }
.auth-card .brand-lockup { justify-content: center; margin-bottom: 8px; }
.auth-card h1 { font-size: 1.6rem; text-align: center; }
.auth-sub { text-align: center; color: var(--muted); margin-bottom: 26px; font-size: .98rem; }
.auth-back { text-align: center; margin-top: 22px; }
.auth-back a { color: var(--muted); font-weight: 600; }
.lock-badge { display: inline-flex; align-items: center; gap: 7px; background: var(--teal-soft); color: var(--teal-dark); font-weight: 700; font-size: .8rem; padding: 6px 13px; border-radius: 999px; margin: 0 auto 18px; }

/* Members layout */
.members-page { background: var(--gray-bg); min-height: 100vh; }
.members-bar { background: var(--navy); color: #fff; }
.members-bar-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.members-bar .wordmark { font-size: 1.4rem; }
.members-bar .who { display: flex; align-items: center; gap: 16px; font-size: .95rem; }
.members-bar .who .name { font-weight: 700; font-family: var(--font-head); }
.members-hero { padding: 46px 0 30px; }
.members-hero h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.members-hero p { color: var(--muted); margin-top: 8px; }
.members-section { padding-bottom: 70px; }
.dev-banner { background: var(--peach-soft); border: 1px solid rgba(219,134,116,0.4); color: #a8492f; border-radius: var(--radius); padding: 14px 18px; margin-bottom: 28px; display: flex; gap: 10px; align-items: center; font-weight: 600; font-size: .95rem; }

.res-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px; }
.res-card { background: #fff; border: 1px solid rgba(18,51,81,0.08); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.res-card .res-ic { width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; color: #fff; margin-bottom: 16px; }
.res-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.res-card p { color: var(--muted); font-size: .94rem; flex: 1; }
.res-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.res-actions .btn { padding: 10px 18px; font-size: .9rem; }
.link-list a { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--gray); color: var(--navy); font-weight: 600; }
.link-list a:last-child { border-bottom: 0; }
.link-list a:hover { color: var(--teal-dark); }

/* PDF viewer modal */
.modal { position: fixed; inset: 0; background: rgba(12,34,54,0.78); display: none; z-index: 200; padding: 24px; }
.modal.open { display: flex; flex-direction: column; }
.modal-bar { display: flex; align-items: center; justify-content: space-between; color: #fff; padding: 0 4px 14px; }
.modal-bar h3 { color: #fff; font-size: 1.1rem; }
.modal-close { background: rgba(255,255,255,0.15); color: #fff; border: 0; width: 40px; height: 40px; border-radius: 10px; cursor: pointer; font-size: 1.3rem; }
.modal-close:hover { background: rgba(255,255,255,0.28); }
.modal-body { flex: 1; background: #fff; border-radius: var(--radius); overflow: hidden; }
.modal-body iframe, .modal-body img { width: 100%; height: 100%; border: 0; display: block; object-fit: contain; background: #fff; }

.spinner { width: 30px; height: 30px; border: 3px solid rgba(19,174,201,0.25); border-top-color: var(--teal); border-radius: 50%; animation: spin .8s linear infinite; margin: 30px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; padding-top: 48px; }
  .hero-visual { order: -1; }
  .hero-mascot { width: min(320px, 70%); }
  .hero-lead { max-width: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .moat-flow { grid-template-columns: 1fr; }
  .moat-arrow { transform: rotate(90deg); }
  .timeline { grid-template-columns: 1fr 1fr; gap: 30px 0; }
  .tl-item::before { display: none; }
}

@media (max-width: 760px) {
  .nav, .header-actions .btn-primary, .header-actions .login-link { display: none; }
  .nav-mobile-login { display: block; }
  .mobile-toggle { display: flex; }
  .nav.open { display: block; position: absolute; top: 74px; left: 0; right: 0; background: #fff; box-shadow: var(--shadow); padding: 16px 24px; border-top: 1px solid var(--gray); }
  .nav.open .nav-list { flex-direction: column; gap: 4px; }
  .nav.open .nav-link { display: block; padding: 12px 0; border-bottom: 1px solid var(--gray); }
  .grid-3, .grid-2, .grid-4, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .timeline { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 24px; }
  .section { padding: 64px 0; }
  .hero-chip-1 { left: 0; } .hero-chip-2 { right: 0; }
  .auth-card { padding: 30px 24px; }
}

@media (max-width: 420px) {
  .hero-chip { display: none; }
}