/* ============================================================
   ExoCert — Product Website · base styles — palette lives in theme.css / theme-brand.css
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-warm-white);
  color: var(--color-text);
  line-height: 1.65; font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-blue); text-decoration: none; }
a:hover { color: var(--color-blue-hover); }
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
section { padding: 110px 0; }

.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-blue); background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent-soft);
  border-radius: 999px; padding: 6px 16px; margin-bottom: 22px;
}
.eyebrow.on-dark {
  color: var(--color-link-on-dark);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-border-dark);
}
.lead { font-size: 1.18rem; color: var(--color-text-muted); max-width: 640px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-weight: 700; font-size: 1rem;
  padding: 15px 32px; border-radius: 12px; border: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary {
  background: var(--gradient-brand); color: var(--color-text-on-dark);
  box-shadow: 0 6px 20px rgba(184, 86, 60, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(184, 86, 60, 0.34); color: #fff; }
.btn-primary:active { background: var(--color-blue-active); }
.btn-ghost { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-ghost:hover { border-color: var(--color-border-hover); color: var(--color-text); }


/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 249, 247, 0.88); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; color: var(--color-text); }
.logo:hover { color: var(--color-text); }
.logo-img { height: 34px; width: auto; display: block; }
.logo-img-mark { height: 30px; }
.main-nav { display: flex; gap: 30px; }
.main-nav a { color: var(--color-text-muted); font-weight: 600; font-size: 0.95rem; }
.main-nav a:hover { color: var(--color-blue); }
@media (max-width: 860px) { .main-nav { display: none; } }
.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1.5px solid var(--color-border);
  font-weight: 700; font-size: 0.85rem; letter-spacing: 0.04em;
  color: var(--color-text-muted); transition: all .2s ease;
}
.lang-switch:hover { border-color: var(--color-blue); color: var(--color-blue); }

/* ============ Demo request form (dark CTA section) ============ */
.demo-form { margin-top: 46px; text-align: left; max-width: 720px; margin-left: auto; margin-right: auto; }
.demo-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-on-dark-muted, #B9B2A8); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 1rem; color: var(--color-text);
  background: #FFFFFF; border: 1.5px solid transparent; border-radius: 12px;
  padding: 13px 16px; width: 100%; transition: border-color .2s ease, box-shadow .2s ease;
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23797872' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-verify); box-shadow: 0 0 0 3px rgba(76, 122, 90, 0.25);
}
.field input::placeholder, .field textarea::placeholder { color: #A8A19A; }
.demo-form .hero-actions { margin-top: 26px; }
.form-status { margin-top: 16px; font-weight: 600; font-size: 0.95rem; min-height: 1.4em; }
.form-status.ok { color: #8FCB9F; }
.form-status.err { color: #E8A598; }
@media (max-width: 640px) { .demo-form-grid { grid-template-columns: 1fr; } }
/* Honeypot: hidden from humans, visible to bots */
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }

/* ---------- Hero ---------- */
.hero { padding: 130px 0 120px; background: var(--gradient-soft); text-align: center; }
.hero h1 em { font-style: italic; color: var(--color-blue); }
.hero .lead { margin: 26px auto 40px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-trust { margin-top: 60px; font-size: 0.85rem; color: var(--color-text-placeholder); letter-spacing: 0.05em; }

/* ---------- Problem (dark) ---------- */
.problem { background: var(--gradient-dark); color: var(--color-text-on-dark); }
.problem .lead { color: var(--color-text-on-dark-muted); }
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 56px; }
.problem-card { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: var(--radius); padding: 28px; }
.problem-card .icon { font-size: 1.6rem; margin-bottom: 14px; }
.problem-card h3 { color: var(--color-text-on-dark); font-size: 1.15rem; margin-bottom: 8px; }
.problem-card p { color: var(--color-text-on-dark-muted); font-size: 0.95rem; }

/* ---------- Paradigm shift ---------- */
.shift { background: var(--color-surface-soft); text-align: center; }
.shift blockquote {
  font-family: var(--font-heading); font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.3; max-width: 880px; margin: 0 auto; font-weight: 600;
}
.shift blockquote em { color: var(--color-blue); font-style: italic; }

/* ---------- Persona chapters ---------- */
.persona { border-top: 1px solid var(--color-border-light); }
.persona:nth-of-type(even) { background: var(--color-surface-soft); }
.persona.selected { background: var(--gradient-sand); }
.persona-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .persona-inner { grid-template-columns: 1fr; gap: 40px; } }
.persona-inner.flip { direction: rtl; }
.persona-inner.flip > * { direction: ltr; }
.persona-quote {
  font-family: var(--font-heading); font-style: italic; font-size: 1.25rem;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-violet);
  padding-left: 18px; margin: 20px 0 28px;
}
.persona-features { list-style: none; margin-bottom: 26px; }
.persona-features li {
  padding: 10px 0 10px 34px; position: relative;
  border-bottom: 1px solid var(--color-border-light);
}
.persona-features li::before {
  content: "✓"; position: absolute; left: 0; top: 10px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-verify-soft); color: var(--color-verify);
  font-size: 0.8rem; font-weight: 700; display: grid; place-items: center;
}
.eyebrow.verify {
  color: var(--color-verify-hover);
  background: var(--color-verify-subtle);
  border-color: var(--color-verify-soft);
}
.persona-outcome {
  display: inline-block; background: var(--color-verify-subtle);
  border: 1px solid var(--color-verify-soft); color: var(--color-verify-hover);
  font-weight: 700; font-size: 0.92rem; border-radius: 10px; padding: 10px 16px;
}
.persona-shot {
  border-radius: var(--radius); border: 1px solid var(--color-border);
  box-shadow: 0 24px 60px rgba(45, 41, 38, 0.12);
  overflow: hidden; background: var(--color-white);
}
.persona-shot img { width: 100%; display: block; }
.persona-shot figcaption {
  padding: 12px 18px; font-size: 0.85rem; color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-light);
}

/* ---------- Modules grid ---------- */
.modules-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-top: 56px; }
.module-card { flex: 1 1 240px; max-width: 300px; }
.module-card {
  background: var(--color-white); border: 1px solid var(--color-border-light);
  border-radius: var(--radius); padding: 30px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.module-card:hover { transform: translateY(-4px); border-color: var(--color-border-hover); box-shadow: 0 16px 40px rgba(45, 41, 38, 0.10); }
.module-card .icon { font-size: 1.7rem; margin-bottom: 16px; }
.module-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.module-card p { font-size: 0.95rem; color: var(--color-text-muted); }

/* ---------- Stats ---------- */
.stats { background: var(--color-surface-soft); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-top: 50px; text-align: center; }
.stat b { display: block; font-family: var(--font-heading); font-size: clamp(2.4rem, 4.5vw, 3.4rem); color: var(--color-blue); line-height: 1.1; }
.stat b.verify { color: var(--color-verify); }
.stat span { color: var(--color-text-muted); font-size: 0.95rem; }

/* ---------- Final CTA / footer ---------- */
.final-cta { background: var(--gradient-dark); color: var(--color-text-on-dark); text-align: center; }
.final-cta .lead { color: var(--color-text-on-dark-muted); margin: 20px auto 36px; }
.final-cta .btn-ghost { color: var(--color-text-on-dark); border-color: var(--color-border-dark); }
.final-cta .btn-ghost:hover { border-color: var(--color-link-on-dark); color: var(--color-link-on-dark); }

.site-footer { background: var(--color-bg-dark); color: var(--color-text-on-dark-muted); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.site-footer h4 { color: var(--color-text-on-dark); font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: var(--color-link-on-dark); font-size: 0.95rem; }
.site-footer a:hover { color: var(--color-text-on-dark); }
.footer-bar { margin-top: 56px; padding: 22px 0; background: var(--color-bg-dark-3); font-size: 0.85rem; text-align: center; }

/* ---------- Persona sticky nav ---------- */
.persona-nav {
  position: sticky; top: 72px; z-index: 40;
  background: var(--color-warm-white);
  border-bottom: 1px solid var(--color-border-light);
}
.persona-nav .container { display: flex; gap: 6px; overflow-x: auto; padding-top: 12px; padding-bottom: 12px; }
.persona-nav a {
  white-space: nowrap; font-size: 0.85rem; font-weight: 600;
  color: var(--color-text-muted); padding: 7px 15px;
  border-radius: 999px; border: 1px solid transparent;
}
.persona-nav a:hover { color: var(--color-blue); }
.persona-nav a.active { color: var(--color-badge-text); background: var(--color-accent-soft); border-color: var(--color-violet); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}