/* ═══════════════════════════════════════════════════════════════════
   HOSPITALITY AGENTIC · styles.css
   Premium calm hospitality design system.
   Dark (ink) default theme, optional light (ivory) via html[data-theme].
   No external fonts, no glassmorphism, no AI gradients.
   ═══════════════════════════════════════════════════════════════════ */

/* ── 1. Design tokens ─────────────────────────────────────────────── */
:root {
  /* §2 palette — exactly these 8 */
  --ink: #0B1623;      /* deep navy, primary dark */
  --ivory: #F6F2EA;    /* warm light background */
  --olive: #66704A;    /* secondary accent */
  --gold: #B08D57;     /* muted gold accent */
  --slate: #52606D;    /* muted text */
  --white: #FFFFFF;
  --red: #9E3B32;      /* regulatory/alert only */
  --soft: #0F1E31;     /* subtle panel surface on ink */
}

/* ── 2. Fonts & base ──────────────────────────────────────────────── */
:root {
  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;

  /* semantic (dark default) */
  --bg: var(--ink);
  --surface: var(--soft);
  --text: var(--ivory);
  --text-strong: var(--white);
  --muted: #9FB0BE;          /* readable muted on ink (≥AA on ink) */
  --hairline: rgba(246, 242, 234, 0.14);
  --card-bg: rgba(255, 255, 255, 0.03);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.30);
}

html[data-theme="light"] {
  --bg: var(--ivory);
  --surface: var(--white);
  --text: var(--ink);
  --text-strong: #06101C;
  --muted: var(--slate);
  --hairline: rgba(11, 22, 35, 0.14);
  --card-bg: var(--white);
  --shadow: 0 18px 40px rgba(11, 22, 35, 0.10);
}

/* ── 3. Reset & base ──────────────────────────────────────────────── */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--gold); color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.15; color: var(--text-strong); letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1rem; }

/* ── 4. Layout primitives ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: clamp(64px, 10vw, 120px) 0;
}
.section--alt { background: var(--surface); }
.section--forms { background: var(--surface); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 0.6rem;
}

.section-sub {
  max-width: 620px;
  color: var(--muted);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* ── 5. Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  background: transparent;
  color: var(--text-strong);
}

.btn--gold {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.btn--gold:hover { background: #C2A476; border-color: #C2A476; text-decoration: none; color: var(--ink); }

.btn--ghost {
  border-color: var(--hairline);
  color: var(--text-strong);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); text-decoration: none; }

.btn:active { transform: translateY(1px); }

/* ── 6. Header ────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 72px;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 8px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo-text { font-family: var(--font-serif); font-size: 1.05rem; color: var(--text-strong); font-weight: 600; }
.logo-text--accent { color: var(--gold); }

.nav { margin-left: auto; }
.nav-list { display: flex; gap: 0.2rem; align-items: center; }
.nav-list a {
  color: var(--text);
  font-size: 0.9rem;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  font-weight: 500;
}
.nav-list a:hover { color: var(--text-strong); background: var(--card-bg); text-decoration: none; }

.lang-switch {
  position: relative;
  display: inline-block;
}
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: transparent;
  color: var(--text-strong);
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.lang-toggle:hover { border-color: var(--gold); }
.lang-globe { font-size: 1.05rem; line-height: 1; }
.lang-caret { font-size: 0.7rem; color: var(--muted); }
.lang-toggle[aria-expanded="true"] .lang-caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 0.35rem;
  z-index: 70;
  list-style: none;
  margin: 0;
}
.lang-menu[hidden] { display: none; }
.lang-menu .lang-btn {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
}
.lang-menu .lang-btn:hover { background: var(--card-bg); color: var(--text-strong); }
.lang-menu .lang-btn.is-active { background: var(--gold); color: var(--ink); font-weight: 600; }

.header-cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 42px; height: 42px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: transparent;
  padding: 10px;
}
.nav-toggle span { height: 2px; width: 100%; background: var(--text-strong); display: block; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--gold);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  z-index: 100;
  border-radius: 0 0 6px 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; text-decoration: none; }

/* ── 7. Hero ──────────────────────────────────────────────────────── */
.hero { position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-copy { max-width: 620px; }
.h1-em { display: block; color: var(--gold); }
.lede { font-size: 1.2rem; color: var(--text); margin: 1.2rem 0 0.75rem; }
.hero-sub { color: var(--muted); }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

/* device mockup */
.hero-device { margin: 0; }
.device-frame {
  max-width: 560px;
  margin: 0 auto;
  border-radius: 24px;
  padding: 12px;
  background: linear-gradient(160deg, rgba(176,141,87,0.25), rgba(11,22,35,0.4));
  box-shadow: var(--shadow);
}
.device-screen {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--ink);
  line-height: 0;
}
.device-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
  display: block;
  opacity: 1;
}

/* Agent UI chips sit BELOW the image (no overlap). */
.agent-ui {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0;
}
.agent-ui-chip {
  font-size: 0.85rem;
  color: var(--ivory);
  background: rgba(102,112,74,0.35);
  border: 1px solid rgba(102,112,74,0.6);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-weight: 500;
}
.agent-ui-chip--gold { background: rgba(176,141,87,0.35); border-color: rgba(176,141,87,0.7); }

.device-caption {
  display: block;
  text-align: center;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  border-top: 1px solid var(--hairline);
  padding-top: 2.5rem;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--gold);
  font-weight: 600;
}
.stat-label { display: block; color: var(--muted); font-size: 0.9rem; }

/* ── 8. About / panels / notes ────────────────────────────────────── */
.about-inner { max-width: 720px; }
.about-text { font-size: 1.1rem; margin-bottom: 1.5rem; }

.panel {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 1.5rem;
  background: var(--card-bg);
}
.panel.note { border-left: 4px solid var(--gold); }
.note p:last-child { margin-bottom: 0; }

/* ── 9. Grids & cards ─────────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.grid--3 { gap: 1.4rem; }
.grid--4 { gap: 1.4rem; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 1.6rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: rgba(176,141,87,0.55); }

.card--action {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--text);
  font-family: inherit;
}
.card--action:hover { transform: translateY(-3px); text-decoration: none; }
.card-tag { color: var(--gold); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; }
.card-more { margin-top: auto; color: var(--gold); font-size: 0.9rem; font-weight: 600; padding-top: 0.5rem; }

/* Module accordion (inline expandable descriptions) */
.module-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.module-img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--hairline);
  animation: module-float 6s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce) {
  .module-img { animation: none; }
}
@keyframes module-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.module-toggle {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  padding: 1.6rem;
  cursor: pointer;
}
.module-toggle:hover { text-decoration: none; }
.module-toggle .card-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.4rem;
}
.module-toggle .card-more::after {
  content: "▾";
  font-size: 0.8rem;
  transition: transform 0.2s ease;
}
.module-toggle[aria-expanded="true"] .card-more::after { transform: rotate(180deg); }
.module-panel {
  border-top: 1px solid var(--hairline);
  padding: 0 1.6rem 1.6rem;
  color: var(--text);
}
.module-panel[hidden] { display: none; }
.module-panel p:first-child { margin-top: 1.2rem; }
.module-panel .modal-points { margin: 0.8rem 0 1.2rem; }
.module-panel .btn { margin-top: 0.4rem; }

/* ── 10. Architecture diagram ─────────────────────────────────────── */
.arch-dia {
  max-width: 760px;
  margin: 2.5rem auto 0;
}
.arch-stack { display: flex; flex-direction: column; }
.arch-layer {
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--gold);
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
}
.arch-layer--core {
  border-left-color: var(--olive);
  background: color-mix(in srgb, var(--olive) 14%, var(--card-bg));
}
.arch-layer p:last-child { margin-bottom: 0; color: var(--muted); }
.arch-layer h3 { margin: 0.2rem 0 0.4rem; }
.arch-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
  font-weight: 600;
}
.arch-link {
  display: flex;
  justify-content: center;
  padding: 0.35rem 0;
  color: var(--slate);
}
.arch-note { text-align: center; color: var(--muted); font-size: 0.85rem; margin-top: 1.5rem; }

/* ── 11. Timeline ─────────────────────────────────────────────────── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.timeline-stage {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 1.6rem 1.6rem 1.6rem 4.2rem;
  background: var(--card-bg);
}
.timeline-num {
  position: absolute;
  left: 1.4rem; top: 1.4rem;
  width: 2rem; height: 2rem;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--font-serif);
}
.timeline-stage h3 { margin: 0 0 0.6rem; }
.timeline-col { margin-top: 0.6rem; }
.timeline-col ul { margin-top: 0.4rem; padding-left: 0.2rem; }
.timeline-col li {
  font-size: 0.92rem;
  color: var(--muted);
  padding: 0.15rem 0;
  list-style: none;
}
.chip {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.chip--agent { background: color-mix(in srgb, var(--olive) 30%, transparent); color: var(--ivory); border: 1px solid rgba(102,112,74,0.6); }
.chip--human { background: color-mix(in srgb, var(--gold) 26%, transparent); color: var(--ivory); border: 1px solid rgba(176,141,87,0.6); }

.journey-intro { color: var(--muted); }

/* ── 12. Hardware catalogue ───────────────────────────────────────── */
.hardware-table {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
.hardware-card {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
  background: var(--card-bg);
  min-width: 0; /* allow shrink inside the grid cell on small screens */
}
.hw-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.hw-head .h3 { margin: 0; }
.hw-role { color: var(--gold); font-weight: 600; margin-bottom: 0.4rem; }
.hw-body { color: var(--text); margin-bottom: 0.3rem; }
.hw-meta { color: var(--muted); font-size: 0.86rem; margin: 0; }
.hardware-note { margin-top: 1.5rem; color: var(--muted); font-size: 0.85rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid rgba(102,112,74,0.55);
  background: color-mix(in srgb, var(--olive) 22%, transparent);
  color: var(--ivory);
}
.badge--warn {
  background: color-mix(in srgb, var(--red) 24%, transparent);
  border-color: rgba(158,59,50,0.7);
  color: #F2C6C2;
}
html[data-theme="light"] .badge--warn { color: var(--red); }
html[data-theme="light"] .badge { color: var(--olive); }

/* ── 13. Vape section (restrained, subordinated) ──────────────────── */
.section--vape {
  background: color-mix(in srgb, var(--red) 8%, var(--bg));
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding-top: 72px;
  padding-bottom: 72px;
}
.vape-inner { max-width: 780px; }
.vape-head { margin-bottom: 0.75rem; }
.vape-head .badge { margin-bottom: 0.75rem; }
.vape-head h2 { margin: 0; }
.vape-scope, .vape-note { margin-top: 1.4rem; }
.vape-model { color: var(--muted); }
.vape-gate {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.6rem;
  align-items: flex-start;
}
.vape-hint { color: var(--muted); font-size: 0.85rem; margin-bottom: 0; }
.vape-disclaimer { font-weight: 600; }
.vape-explicit { color: var(--muted); font-size: 0.92rem; margin-bottom: 0; }

/* ── 14. Liga launch / pilot / gates ──────────────────────────────── */
.pilot-block { margin-top: 2.5rem; }
.pilot-steps {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 1rem;
}
.pilot-steps li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  background: var(--card-bg);
}
.step-num {
  color: var(--gold);
  font-family: var(--font-serif);
  font-weight: 700;
  flex-shrink: 0;
}
.pilot-steps small { display: block; color: var(--muted); margin-top: 0.15rem; }

.gates { margin-top: 1.6rem; }
.gates ul { margin-top: 0.8rem; }
.gates li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--muted);
}
.gates li:last-child { border-bottom: none; }
.gates strong { color: var(--text-strong); }
.gates-note { margin-top: 0.9rem; font-size: 0.85rem; color: var(--muted); margin-bottom: 0; }

/* ── 15. Financial ────────────────────────────────────────────────── */
.cat-title { font-weight: 600; margin-bottom: 1.2rem; }
.fin-disc { text-align: center; color: var(--muted); font-size: 0.88rem; margin-top: 2rem; }
.fin-cta { text-align: center; margin-top: 2.5rem; }
.fin-cta .h3 { margin-bottom: 1rem; }

/* ── 16. Risks ────────────────────────────────────────────────────── */
.risks-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
.risk-item {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
  background: var(--card-bg);
}
.risk-item .h3 { margin: 0 0 0.2rem; }
.risk-item p:last-child { margin-bottom: 0; }
.risk-cat {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

/* ── 17. Forms ────────────────────────────────────────────────────── */
.forms-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-top: 2rem;
}
.forms-intro { color: var(--muted); margin-bottom: 0; }

.form-card {
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--card-bg);
  padding: 1.8rem;
  box-shadow: var(--shadow);
}
.form-title { margin-top: 0; margin-bottom: 1.4rem; }

.field-group { margin-bottom: 1.1rem; }
.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-textarea { resize: vertical; min-height: 70px; }
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23B08D57' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.4rem;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold) 30%, transparent);
}
.form-input::placeholder,
.form-textarea::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }

.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--red);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--red) 30%, transparent);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--text);
}
.form-check input { margin-top: 0.28rem; accent-color: var(--gold); }
.form-consent { align-items: flex-start; }
.form-consent input { margin-top: 0.28rem; }

.error-text {
  display: none;
  color: #F2C6C2;
  font-size: 0.85rem;
  margin-top: 0.4rem;
  font-weight: 600;
}
.form-field-error .error-text,
.error-text:not([hidden]) { display: block; }
html[data-theme="light"] .error-text { color: var(--red); }

.success-box {
  display: none;
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  border-radius: 10px;
  border: 1px solid rgba(102,112,74,0.6);
  background: color-mix(in srgb, var(--olive) 22%, transparent);
  color: var(--ivory);
  font-weight: 600;
  gap: 0.5rem;
  align-items: flex-start;
}
.success-box:not([hidden]) { display: flex; flex-wrap: wrap; }
.success-check { color: #C9D8A8; font-weight: 700; }
.success-link { color: var(--ivory); text-decoration: underline; margin-left: auto; }
html[data-theme="light"] .success-box { color: var(--ink); }
html[data-theme="light"] .success-check { color: var(--olive); }
html[data-theme="light"] .success-link { color: var(--ink); }

.form-privacy { margin-top: 0.9rem; font-size: 0.82rem; color: var(--muted); margin-bottom: 0; }

/* honeypot — visually hidden, must not receive focus */
.hp {
  position: absolute !important;
  left: -9999px !important;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ── 18. CTA band ─────────────────────────────────────────────────── */
.cta-band {
  background: color-mix(in srgb, var(--gold) 14%, var(--bg));
  border-top: 1px solid var(--hairline);
  text-align: center;
  padding: clamp(56px, 9vw, 96px) 0;
}
.cta-band .h2 { margin-bottom: 0.75rem; }
.cta-sub { color: var(--muted); max-width: 520px; margin: 0 auto 1.75rem; }

/* ── 19. Footer ───────────────────────────────────────────────────── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-title { font-size: 1rem; margin: 0 0 1rem; }
.footer-about { color: var(--muted); margin: 1rem 0 0.4rem; max-width: 300px; }
.footer-credit { color: var(--muted); font-size: 0.85rem; }
.footer-designed { color: var(--muted); font-size: 0.85rem; margin: 0.15rem 0 0; }
.footer-list { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-list a { color: var(--text); }
.footer-list a:hover { color: var(--gold); }
.footer-note { color: var(--muted); font-size: 0.85rem; }
.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}
.footer-bottom p { color: var(--muted); font-size: 0.85rem; margin: 0; }

/* ── 20. Modals ───────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(6, 12, 20, 0.74);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5vh 20px 20px;
  overflow-y: auto;
}
html[data-theme="light"] .modal-backdrop { background: rgba(11, 22, 35, 0.5); }

.modal {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 2rem;
  width: 100%;
  max-width: 620px;
  position: relative;
  box-shadow: var(--shadow);
}
.modal h3 { margin-top: 0; padding-right: 2.2rem; }
.modal-close {
  position: absolute;
  top: 1.1rem; right: 1.1rem;
  width: 38px; height: 38px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: transparent;
  color: var(--text-strong);
  font-size: 1.3rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { border-color: var(--gold); color: var(--gold); }
.modal-points { margin: 1rem 0 1.4rem; display: flex; flex-direction: column; gap: 0.6rem; }
.modal-points li {
  padding-left: 1.3rem;
  position: relative;
  color: var(--text);
}
.modal-points li::before {
  content: "·";
  position: absolute;
  left: 0.3rem;
  color: var(--gold);
  font-weight: 700;
}
.modal-cta-text { color: var(--muted); }
.modal.is-open { animation: modal-in 0.22s ease; }

/* ── 21. Cookie banner (compact) ──────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.22);
  padding: 0.7rem 20px;
}
.cookie-banner:not([hidden]) { display: block; }
.cookie-banner .container {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.cookie-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-strong);
  white-space: nowrap;
}
.cookie-text {
  color: var(--muted);
  margin: 0;
  font-size: 0.85rem;
  flex: 1 1 240px;
  min-width: 200px;
}
.cookie-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-left: auto;
}
.cookie-actions .btn { padding: 0.5rem 1rem; font-size: 0.85rem; }
.cookie-link { font-size: 0.85rem; }

/* ── 22. Reveal on scroll ─────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ═══════════ RESPONSIVE (mobile-first) ═══════════ */
/* ≥ 640px — tablet-ish */
@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
  .grid--5 .card:nth-child(4),
  .grid--5 .card:nth-child(5) { grid-column: span 1; }

  .hardware-table { grid-template-columns: repeat(2, 1fr); }
  .risks-list { grid-template-columns: repeat(2, 1fr); }
  .checkbox-grid { grid-template-columns: repeat(2, 1fr); }
  .field-row { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ≥ 1024px — desktop */
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }

  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }

  .timeline-stage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 2rem;
  }
  .timeline-stage h3 { grid-column: 1 / -1; }

  .forms-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .pilot-steps { flex-direction: row; }
  .pilot-steps li { flex: 1; flex-direction: column; align-items: flex-start; gap: 0.4rem; }
}

/* Nav collapse below 1024px */
@media (max-width: 1023px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
    padding: 1rem 20px 1.5rem;
    box-shadow: var(--shadow);
  }
  .nav.is-open { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0.3rem; }
  .nav-list a { display: block; padding: 0.8rem 0.8rem; }
  .nav-toggle { display: flex; }
  .lang-switch { order: -1; }
  .header-cta { display: none; }
}

/* ═══════════ REDUCED MOTION ═══════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .modal.is-open { animation: none; }
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}