/* ==========================================================================
   AIOS — St. Moritz Buyer Review
   Self-hosted fonts (Lato 300/400/700, Poppins 300–700). No external requests.
   Accent: Primeheim blue #34497A (PHCH Visual-Identity Principle Set V1.3,
   D9.4) — NOT the legacy #9f0000 red used on en.primeheim.ch pre-V1.3.
   ========================================================================== */

@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../assets/fonts/lato-300.woff2') format('woff2');
}
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/lato-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../assets/fonts/lato-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../assets/fonts/poppins-300.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/poppins-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../assets/fonts/poppins-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../assets/fonts/poppins-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../assets/fonts/poppins-700.woff2') format('woff2');
}

:root {
  /* Ink scale (dark sections / text) */
  --ink-900: #111111;
  --ink-800: #1a1a1a;
  --ink-700: #2a2a2a;
  --ink-600: #3d3d3d;
  --ink-400: #6b6b6b;
  --ink-200: #b0b0b0;
  --ink-100: #d4d4d4;

  /* Warm neutrals */
  --canvas: #ffffff;
  --canvas-off: #f7f6f4;
  --canvas-warm: #f2f0ed;

  /* Accent — sole accent per V1.3 D9.4 */
  --accent: #34497a;
  --accent-dark: #283a63;
  --accent-tint: rgba(52, 73, 122, 0.07);
  --accent-tint-strong: rgba(52, 73, 122, 0.14);

  --font-display: 'Poppins', system-ui, sans-serif;
  --font-body: 'Lato', system-ui, sans-serif;

  --display-xl: clamp(2.5rem, 5vw, 4.5rem);
  --display-lg: clamp(2rem, 4vw, 3.5rem);
  --display-md: clamp(1.5rem, 3vw, 2.5rem);

  --measure: 66ch;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background-color: var(--canvas);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

p { margin: 0; }

a { color: inherit; }

img { max-width: 100%; display: block; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Visible keyboard focus — never removed, only restyled */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.rule {
  width: 40px;
  height: 2px;
  background-color: var(--accent);
  display: block;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.eyebrow__text {
  font-family: var(--font-body);
  font-weight: 400;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
}

/* Detail layer: numbered refs, captions, source lines — third type layer
   required everywhere by V1.3 density rules */
.detail {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink-400);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 768px) {
  .container { padding: 0 3rem; }
}
@media (min-width: 1100px) {
  .container { padding: 0 5rem; }
}

.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  background-color: var(--accent);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  padding: 0.85rem 1.75rem;
  transition: background-color 0.2s, opacity 0.2s, transform 0.05s;
}
.btn:hover { background-color: var(--accent-dark); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn--ghost {
  background-color: transparent;
  color: var(--canvas);
  border: 1px solid rgba(255,255,255,0.4);
}
.btn--ghost:hover { background-color: rgba(255,255,255,0.08); }

/* ── Sticky top bar ───────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(17,17,17,0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
}
@media (min-width: 768px) { .topbar__inner { padding: 0.75rem 3rem; } }
@media (min-width: 1100px) { .topbar__inner { padding: 0.75rem 5rem; } }
.topbar__logo img { height: 28px; width: auto; }
.topbar__chip {
  display: none;
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: #d8d8d8;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  white-space: nowrap;
}
@media (min-width: 640px) { .topbar__chip { display: inline-block; } }
.topbar__right { display: flex; align-items: center; gap: 1rem; margin-left: auto; }
.topbar .btn { padding: 0.6rem 1.1rem; font-size: 0.75rem; }

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero {
  background-color: var(--ink-900);
  color: var(--canvas);
  padding: 4rem 0 3.5rem;
}
.hero__eyebrow-text { color: rgba(255,255,255,0.7); }
.hero h1 {
  font-size: var(--display-xl);
  color: var(--canvas);
  max-width: 20ch;
  margin-bottom: 1.25rem;
}
.hero__sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.05rem;
  max-width: 52ch;
  color: #c8c8c8;
  margin-bottom: 2.5rem;
}
.factstrip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 1.75rem;
}
@media (min-width: 700px) {
  .factstrip { grid-template-columns: repeat(5, 1fr); }
}
.factstrip__item { min-width: 0; }
.factstrip__value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1rem, 2vw, 1.3rem);
  letter-spacing: -0.01em;
}
.factstrip__label {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-top: 0.3rem;
}

/* ── Section shell ────────────────────────────────────────────────────── */
.section {
  padding: 4rem 0;
}
.section--tight { padding: 3rem 0; }
.section--off { background-color: var(--canvas-off); }
.section--warm { background-color: var(--canvas-warm); }
.section--dark { background-color: var(--ink-900); color: var(--canvas); }
.section__head { max-width: 46ch; margin-bottom: 2.75rem; }
.section__head h2 {
  font-size: var(--display-md);
  margin-bottom: 0.75rem;
}
.section__head p {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--ink-600);
  font-size: 1rem;
}
.section--dark .section__head p { color: #c8c8c8; }

/* ── Mandate note box ─────────────────────────────────────────────────── */
.mandate {
  background-color: var(--canvas-off);
  border-left: 3px solid var(--accent);
  padding: 1.75rem 2rem;
  display: grid;
  gap: 0.65rem;
}
.mandate p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-700);
}
.mandate p strong { color: var(--ink-900); font-weight: 700; }
.mandate__label {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

/* ── Strength cards ───────────────────────────────────────────────────── */
.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards { grid-template-columns: repeat(4, 1fr); } }
.card {
  background-color: var(--canvas);
  border: 1px solid var(--ink-100);
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.card__index {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink-900);
}
.card__body {
  font-size: 0.9rem;
  color: var(--ink-600);
  line-height: 1.55;
}

/* ── Price / gauge section ────────────────────────────────────────────── */
.gauge-wrap { max-width: 720px; }
.gauge {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--canvas-warm) 0%, var(--accent-tint-strong) 55%, var(--accent-tint) 100%);
  border: 1px solid var(--ink-100);
  margin: 2.75rem 0 0.9rem;
}
.gauge__marker {
  position: absolute;
  top: 50%;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 3px solid var(--canvas);
  box-shadow: 0 0 0 1px var(--accent);
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), left 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.gauge.is-visible .gauge__marker {
  transform: translate(-50%, -50%) scale(1);
}
@media (prefers-reduced-motion: reduce) {
  .gauge__marker { transition: none; transform: translate(-50%, -50%) scale(1); }
}
.gauge__scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-400);
  text-transform: uppercase;
}
.gauge__callout {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink-900);
}
.gauge__source {
  margin-top: 0.6rem;
}
.price-copy {
  margin-top: 2.5rem;
  max-width: var(--measure);
  font-size: 0.95rem;
  color: var(--ink-700);
  line-height: 1.65;
}
.price-copy p + p { margin-top: 1rem; }
.price-copy em { font-style: italic; color: var(--ink-600); }

/* ── Numbered due-diligence list ──────────────────────────────────────── */
.dd-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink-100);
}
.dd-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--ink-100);
  align-items: baseline;
}
.dd-item__num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 0.01em;
}
.dd-item__text {
  font-size: 0.98rem;
  color: var(--ink-800);
  line-height: 1.55;
}
.dd-closing {
  margin-top: 2rem;
  font-style: italic;
  color: var(--ink-600);
  font-size: 0.92rem;
  max-width: var(--measure);
}

/* ── Withheld panel ───────────────────────────────────────────────────── */
.withheld {
  background-color: var(--ink-900);
  color: var(--canvas);
}
.withheld-grid {
  display: grid;
  gap: 1px;
  background-color: rgba(255,255,255,0.1);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) { .withheld-grid { grid-template-columns: repeat(2, 1fr); } }
.withheld-item {
  background-color: var(--ink-900);
  padding: 1.6rem 1.5rem;
  position: relative;
}
.withheld-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.6rem;
  bottom: 1.6rem;
  width: 2px;
  background-color: rgba(255,255,255,0.18);
}
.withheld-item__label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 0.5rem;
}
.withheld-item__text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.98rem;
  color: #d8d8d8;
  line-height: 1.55;
}

/* ── Form section ─────────────────────────────────────────────────────── */
.form-section { background-color: var(--canvas); }
.form-wrap { max-width: 640px; }
.form-wrap h2 { font-size: var(--display-md); margin-bottom: 1.75rem; }

.field { margin-bottom: 1.3rem; }
.field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-400);
  margin-bottom: 0.5rem;
}
.field label .req { color: var(--accent); }
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--ink-100);
  background-color: var(--canvas);
  padding: 0.8rem 1rem;
  font-size: 0.92rem;
  color: var(--ink-900);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  outline: none;
}
.field textarea { resize: vertical; min-height: 6rem; }
.field-row { display: grid; gap: 1.3rem; }
@media (min-width: 620px) { .field-row { grid-template-columns: 1fr 1fr; } }

.honeypot-field {
  position: absolute;
  left: -9999px;
  height: 0;
  width: 0;
  overflow: hidden;
}

.form-error {
  color: var(--accent-dark);
  font-size: 0.88rem;
  margin: 0.5rem 0 1rem;
}

.form-success {
  border: 1px solid var(--ink-100);
  padding: 3rem 2rem;
  text-align: center;
}
.form-success h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.form-success p { color: var(--ink-600); font-size: 0.95rem; }

.privacy-line {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.78rem;
  color: var(--ink-400);
  text-align: center;
  margin-top: 1.25rem;
}

/* ── Footer ───────────────────────────────────────────────────────────── */
.site-footer {
  background-color: var(--ink-900);
  color: var(--canvas);
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.site-footer__top {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (min-width: 700px) {
  .site-footer__top { flex-direction: row; align-items: center; }
}
.site-footer__logo img { height: 32px; width: auto; }
.site-footer__tag {
  font-size: 0.75rem;
  color: #c0c0c0;
}
.site-footer__tag strong { color: var(--canvas); font-weight: 700; }
.site-footer__disclosure {
  margin-top: 1.5rem;
  font-size: 0.72rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.45);
  max-width: 68ch;
}

/* ── Skip link (a11y) ─────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}