:root {
  --navy: #151B2E;
  --graphite: #2F3547;
  --slate: #647086;
  --ice: #F6FAFF;
  --soft-blue: #EAF4FF;
  --cyan: #65E4F0;
  --purple: #9B5CF6;
  --gold: #F5C542;
  --gold-dark: #B8860B;
  --gold-light: #FFF1A8;
  --white: #FFFFFF;
  --success: #18A058;
  --danger: #D64545;
  --radius-xl: 28px;
  --shadow-soft: 0 24px 70px rgba(21, 27, 46, .12);
  --shadow-card: 0 18px 44px rgba(21, 27, 46, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--navy);
  background:
    radial-gradient(circle at 15% 10%, rgba(101, 228, 240, .20), transparent 28rem),
    radial-gradient(circle at 85% 20%, rgba(155, 92, 246, .16), transparent 26rem),
    linear-gradient(180deg, #fff 0%, var(--ice) 60%, #fff 100%);
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, .76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(100, 112, 134, .14);
}
.site-header.compact { position: relative; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; letter-spacing: -.03em; }
.brand img { width: 54px; height: 54px; object-fit: contain; border-radius: 16px; }
.brand small { display: block; font-size: .72rem; color: var(--slate); letter-spacing: 0; }
.main-nav { display: flex; align-items: center; gap: 18px; font-weight: 700; font-size: .94rem; }
.main-nav a { text-decoration: none; color: var(--graphite); }
.nav-toggle { display: none; }

.section { width: min(1160px, calc(100% - 36px)); margin: 0 auto; padding: clamp(54px, 8vw, 105px) 0; }
.hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .72fr); align-items: center; gap: clamp(36px, 6vw, 80px); min-height: calc(100vh - 85px); }
.hero h1, .section h1, .section h2 { font-size: clamp(2.05rem, 5vw, 4.75rem); line-height: .98; letter-spacing: -.065em; margin: 14px 0 20px; }
.section h2 { font-size: clamp(1.9rem, 3.8vw, 3.3rem); }
.lead { font-size: clamp(1.05rem, 1.9vw, 1.25rem); color: var(--graphite); }
.badge { display: inline-flex; align-items: center; border: 1px solid rgba(101, 228, 240, .55); background: rgba(255,255,255,.68); border-radius: 999px; padding: 9px 14px; color: var(--graphite); font-weight: 800; box-shadow: 0 0 30px rgba(101, 228, 240, .18); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 12px 18px; border-radius: 999px; border: 0; text-decoration: none; cursor: pointer; font-weight: 900; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--navy), #26304a); color: var(--white); box-shadow: 0 14px 30px rgba(21, 27, 46, .20), 0 0 30px rgba(101, 228, 240, .24); }
.btn-secondary { background: rgba(255, 255, 255, .82); color: var(--navy); border: 1px solid rgba(100, 112, 134, .22); box-shadow: var(--shadow-card); }
.btn-xl { min-height: 56px; padding-inline: 24px; }
.btn-gold { background: rgba(255,255,255,.8); color: var(--navy); border: 1px solid rgba(184,134,11,.26); }

.glass-card, .diagnostic-card, .cta-panel, .result-card, .locked-card {
  background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.64));
  border: 1px solid rgba(255,255,255,.78);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(20px);
}
.glass-card { padding: 26px; }
.diagnostic-card { padding: 28px; position: relative; overflow: hidden; }
.diagnostic-card::before, .modal-card::before { content: ""; position: absolute; inset: -40% -20% auto auto; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(101,228,240,.35), transparent 66%); }
.card-header { display: flex; align-items: center; gap: 12px; font-weight: 900; }
.card-header img { width: 50px; height: 50px; object-fit: contain; }
.mini-list, .summary-grid { display: grid; gap: 12px; margin: 24px 0; }
.mini-list div, .summary-grid div { background: rgba(246,250,255,.84); border: 1px solid rgba(100,112,134,.12); border-radius: 18px; padding: 14px; }
dt { color: var(--slate); font-size: .82rem; font-weight: 800; }
dd { margin: 3px 0 0; font-weight: 900; }
.result-pill { border-radius: 22px; padding: 20px; background: linear-gradient(135deg, var(--navy), #27304a); color: var(--white); font-size: 1.35rem; font-weight: 900; box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }

.section-title { max-width: 860px; margin-bottom: 34px; }
.grid { display: grid; gap: 20px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.glass-card h3 { margin-top: 0; font-size: 1.35rem; }
.timeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; padding: 0; counter-reset: step; }
.timeline li { list-style: none; background: rgba(255,255,255,.78); border-radius: 22px; padding: 24px 20px; box-shadow: var(--shadow-card); border: 1px solid rgba(255,255,255,.8); position: relative; }
.timeline li::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), var(--purple)); color: var(--white); font-weight: 900; margin-bottom: 12px; }
.split { display: grid; grid-template-columns: 1fr minmax(300px, .8fr); gap: 30px; align-items: center; }
.cta-panel { padding: 30px; }

.offer-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.gold-card { position: relative; overflow: hidden; padding: 28px; min-height: 420px; border-radius: 34px; background: linear-gradient(135deg, #FFF6BF 0%, var(--gold) 28%, #D9A51B 53%, #FFE58A 78%, #FFF8D6 100%); border: 1px solid rgba(184,134,11,.48); box-shadow: 0 30px 70px rgba(184,134,11,.20), inset 0 1px 0 rgba(255,255,255,.6); color: var(--navy); transition: transform .22s ease, box-shadow .22s ease; }
.gold-card::after { content:""; position:absolute; inset:-40% auto auto -70%; width:70%; height:180%; transform: rotate(20deg); background: linear-gradient(90deg, transparent, rgba(255,255,255,.36), transparent); transition: left .6s ease; }
.gold-card:hover::after { left: 120%; }
.gold-card:hover { transform: translateY(-7px); box-shadow: 0 42px 90px rgba(184,134,11,.28); }
.gold-card.featured { transform: scale(1.04); }
.medal { font-size: 2.1rem; }
.offer-badge { display: inline-flex; margin-left: 10px; padding: 7px 11px; border-radius: 999px; background: rgba(255,255,255,.56); font-weight: 900; }
.price { font-size: 2.4rem; font-weight: 950; margin: 8px 0 10px; letter-spacing: -.05em; }
.gold-card ul { padding-left: 20px; min-height: 136px; }

.site-footer { text-align: center; padding: 50px 24px; background: rgba(21,27,46,.96); color: var(--white); }
.site-footer img { width: 76px; height: 76px; object-fit: contain; margin: 0 auto 16px; }
.site-footer nav { display:flex; flex-wrap:wrap; justify-content:center; gap: 16px; margin: 20px 0; }
.site-footer a { color: var(--white); }
.legal { color: rgba(255,255,255,.76); max-width: 850px; margin: 0 auto; }

.diagnostic-layout, .result-layout, .auth-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(340px, 1fr); gap: 34px; align-items: start; }
.auth-layout { grid-template-columns: minmax(320px, 560px); justify-content: center; }
.estimate-form, .auth-card { padding: 30px; }
fieldset { border: 0; padding: 0; margin: 0 0 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
legend { grid-column: 1/-1; font-weight: 900; margin-bottom: 8px; }
label { display: grid; gap: 8px; font-weight: 850; margin-bottom: 18px; }
.radio-card { border: 1px solid rgba(100,112,134,.18); border-radius: 18px; padding: 16px; background: rgba(246,250,255,.76); display: flex; align-items: center; gap: 10px; }
input, select, textarea { width: 100%; border: 1px solid rgba(100,112,134,.25); border-radius: 16px; padding: 13px 14px; background: rgba(255,255,255,.84); color: var(--navy); }
input[type="radio"], input[type="checkbox"] { width: auto; }
.check { display: flex; align-items: flex-start; gap: 10px; font-weight: 650; color: var(--graphite); }
.input-suffix { display: flex; align-items: center; gap: 8px; }
.input-suffix input { flex: 1; }
.input-suffix span { font-weight: 900; }
.hidden { display: none !important; }
.notice { padding: 14px 16px; border-radius: 18px; background: rgba(234,244,255,.8); border: 1px solid rgba(101,228,240,.32); }
.error { color: var(--danger); background: rgba(214,69,69,.08); border: 1px solid rgba(214,69,69,.18); padding: 12px; border-radius: 14px; }
.form-status { min-height: 24px; font-weight: 800; }
.surface-warning { color: var(--gold-dark); }
.preview-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.preview-item { position: relative; border-radius: 18px; overflow: hidden; min-height: 120px; background: var(--soft-blue); }
.preview-item img { width: 100%; height: 120px; object-fit: cover; }
.preview-item button { position: absolute; top: 8px; right: 8px; width: 32px; height: 32px; border-radius: 50%; border: 0; background: rgba(21,27,46,.82); color: white; cursor: pointer; }
.progress { height: 10px; background: var(--soft-blue); border-radius: 999px; overflow: hidden; margin: 10px 0; }
.progress span { display:block; height:100%; width:0; background: linear-gradient(90deg, var(--cyan), var(--purple)); transition: width .3s ease; }

.modal-backdrop { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 20px; background: rgba(21,27,46,.42); backdrop-filter: blur(10px); }
.modal-backdrop[hidden] { display: none; }
.modal-card { position: relative; width: min(560px, 100%); padding: 34px; border-radius: 32px; background: rgba(255,255,255,.88); border: 1px solid rgba(255,255,255,.9); box-shadow: 0 40px 100px rgba(21,27,46,.28), 0 0 70px rgba(155,92,246,.20); overflow: hidden; }
.modal-card h2 { font-size: clamp(1.25rem, 3vw, 1.85rem); line-height: 1.12; letter-spacing: -.03em; }
.modal-close { position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--soft-blue); cursor: pointer; font-size: 1.4rem; }
.success-icon { width: 54px; height: 54px; display: grid; place-items:center; border-radius: 50%; color: white; background: linear-gradient(135deg, var(--success), var(--cyan)); font-weight: 950; font-size: 1.7rem; box-shadow: 0 0 40px rgba(101,228,240,.48); }

.summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.result-card h1 { font-size: clamp(2rem, 5vw, 4rem); }
.locked-card { padding: 28px; }
.dashboard-grid { display: grid; gap: 20px; }
.claim-card .actions.small { margin-top: 14px; }
.faq { display:grid; gap: 12px; }
.faq-item { border-radius: 20px; overflow: hidden; background: rgba(255,255,255,.72); border: 1px solid rgba(100,112,134,.15); box-shadow: var(--shadow-card); }
.faq-item button { width:100%; text-align:left; border:0; background:transparent; padding: 18px 20px; font-weight:900; color: var(--navy); cursor:pointer; }
.faq-item div { padding: 0 20px 18px; color: var(--graphite); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; border: 1px solid rgba(100,112,134,.2); background: white; border-radius: 999px; padding: 10px 14px; font-weight: 900; }
  .main-nav { display: none; position: absolute; top: 82px; left: 18px; right: 18px; flex-direction: column; align-items: stretch; background: rgba(255,255,255,.96); border: 1px solid rgba(100,112,134,.18); border-radius: 22px; padding: 18px; box-shadow: var(--shadow-soft); }
  .main-nav.is-open { display: flex; }
  .hero, .split, .diagnostic-layout, .result-layout { grid-template-columns: 1fr; }
  .cards-3, .offer-grid, .summary-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .gold-card.featured { transform: none; }
}

@media (max-width: 560px) {
  fieldset, .preview-grid { grid-template-columns: 1fr; }
  .site-header { padding: 12px 16px; }
  .brand img { width: 46px; height: 46px; }
}