/* ============================================================
   Projefy — landing design system (2026-07-20 overhaul)
   Positioning: instrument, not offer. Empower the professional.
   Light + dark themes (toggle). Precision-premium, de-glassed.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ---------- TOKENS: light (default) ---------- */
:root {
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --surface-sunken: #EEF1F5;
  --ink: #0F1A2A;
  --ink-muted: #51607A;
  --line: #DDE3EC;
  --accent: #0E5A6E;
  --accent-strong: #0A4553;
  --accent-text: #0E5A6E;

  /* dark bands (hero / cta / footer) — constant across themes */
  --ink-bg: #0C1420;
  --ink-surface: #141F30;
  --ink-line: #26344A;
  --on-ink: #E8EDF4;
  --on-ink-muted: #9DB0C8;

  --radius-chip: 6px;
  --radius-btn: 8px;
  --radius-card: 12px;
  --radius-panel: 16px;
  --shadow-card: 0 1px 3px rgba(15,26,42,.06), 0 8px 24px -16px rgba(15,26,42,.14);
  --shadow-card-hover: 0 2px 6px rgba(15,26,42,.09), 0 14px 36px -18px rgba(15,26,42,.22);
  --maxw: 1200px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

/* ---------- TOKENS: dark ---------- */
:root[data-theme="dark"] {
  --bg: #0C1420;
  --surface: #141F30;
  --surface-sunken: #0F1A29;
  --ink: #E8EDF4;
  --ink-muted: #9DB0C8;
  --line: #26344A;
  --accent: #2E93AD;
  --accent-strong: #46A9C2;
  --accent-text: #6FC5DA;

  --ink-bg: #080E17;
  --ink-surface: #101a28;
  --shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 12px 30px -18px rgba(0,0,0,.6);
  --shadow-card-hover: 0 2px 8px rgba(0,0,0,.5), 0 18px 40px -18px rgba(0,0,0,.7);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .3s ease, color .3s ease;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; line-height: 1.12; margin: 0; color: var(--ink); text-wrap: balance; }
p { margin: 0; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }
.center { text-align: center; }

/* ---------- TYPE HELPERS ---------- */
.eyebrow { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--ink-muted); margin: 0 0 12px; }
.accent-text { color: var(--accent-text); }
.accent { color: var(--accent-text); }
.lead { font-size: clamp(1.06rem, 1.5vw, 1.25rem); color: var(--ink-muted); max-width: 68ch; }
.lead.center { margin-left: auto; margin-right: auto; }
.lead-strong { font-size: clamp(1.06rem, 1.5vw, 1.2rem); font-weight: 500; color: var(--ink); margin-top: 14px; }
.edge-oath {
  margin-top: 28px;
  padding: 15px 20px;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  border-radius: var(--radius-btn);
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}
.micro { font-size: .82rem; color: var(--ink-muted); margin-top: 16px; }
.section-note { font-size: .9rem; color: var(--ink-muted); margin-top: 22px; max-width: 70ch; }
.section-note.center { margin-left: auto; margin-right: auto; }
.section-sub { font-size: clamp(1rem, 1.4vw, 1.15rem); color: var(--ink-muted); margin-top: 10px; max-width: 60ch; }
.fineprint { font-size: .82em; color: var(--ink-muted); font-weight: 400; }

/* ---------- BETA ---------- */
.beta-strip {
  display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
  background: var(--accent); color: #fff; text-decoration: none;
  padding: 9px 18px; font-size: .88rem; text-align: center;
}
.beta-strip:hover { background: var(--accent-strong); }
.beta-tag {
  font-family: var(--font-mono); font-weight: 600; font-size: .72rem; letter-spacing: .08em;
  background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px; padding: 2px 9px;
}
.beta-strip-cta { font-weight: 600; white-space: nowrap; }

.beta-section { background: var(--surface-sunken); }
.beta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 24px 0 8px; }
.beta-point {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-card); padding: 16px 18px; box-shadow: var(--shadow-card);
}
.beta-point > span { font-size: 1.2rem; line-height: 1.3; }
.beta-point p { margin: 0; font-size: .95rem; color: var(--ink-muted); }
.beta-point strong { color: var(--ink); }

.beta-roadmap-title { font-size: 1.15rem; margin: 30px 0 12px; }
.beta-roadmap { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.beta-roadmap li {
  display: flex; gap: 16px; align-items: baseline;
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--line);
  border-radius: var(--radius-btn); padding: 12px 16px;
}
.beta-roadmap .rm-when {
  font-family: var(--font-mono); font-weight: 600; color: var(--accent-text);
  min-width: 82px; font-size: .9rem;
}
.beta-roadmap .rm-what { color: var(--ink-muted); font-size: .95rem; }
.beta-roadmap .rm-now { border-left-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--surface)); }
.beta-roadmap .rm-launch { border-left-color: #D9B45F; }
.beta-roadmap .rm-launch .rm-what { color: var(--ink); font-weight: 600; }

@media (max-width: 640px) {
  .beta-grid { grid-template-columns: 1fr; }
  .beta-roadmap li { flex-direction: column; gap: 4px; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-body); font-weight: 600; font-size: .95rem;
  padding: 11px 20px; border-radius: var(--radius-btn);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background .2s, border-color .2s, color .2s;
}
.btn:hover { text-decoration: none; }
.btn-lg { padding: 14px 26px; font-size: 1rem; }
.btn-block { display: flex; width: 100%; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 2px rgba(15,26,42,.12); }
.btn-primary:hover { background: var(--accent-strong); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { color: var(--accent-text); }
.btn-outline { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-text); }
.btn-outline-invert { background: transparent; color: var(--on-ink); border-color: rgba(255,255,255,.35); }
.btn-outline-invert:hover { border-color: var(--on-ink); color: var(--on-ink); }

/* ---------- NAV ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 66px; flex-wrap: wrap; row-gap: 8px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-logo { height: 30px; width: auto; }
.brand-name { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--ink-muted); font-size: .92rem; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; min-width: 0; }

.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: var(--radius-btn); border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; font-size: 1rem; }
.theme-toggle:hover { border-color: var(--accent); }
.theme-ico-sun { display: none; }
.theme-ico-moon { display: inline; }
:root[data-theme="dark"] .theme-ico-sun { display: inline; }
:root[data-theme="dark"] .theme-ico-moon { display: none; }

/* ---------- SECTION RHYTHM ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; border-bottom: 1px solid var(--line); }
.section.alt { background: var(--surface-sunken); }
.section-head { margin-bottom: 44px; }
.section-head .section-sub { margin-top: 12px; }

/* ---------- HERO (dark band) ---------- */
.hero { background: var(--ink-bg); color: var(--on-ink); padding: clamp(72px, 9vw, 120px) 0; }
.hero h1, .hero h2 { color: var(--on-ink); }
.hero .eyebrow { color: var(--on-ink-muted); }
.hero .lead { color: var(--on-ink-muted); }
.hero .lead-strong { color: var(--on-ink); }
.hero .micro { color: var(--on-ink-muted); }
.hero .accent { color: var(--accent-strong); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.7rem); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.center-cta { justify-content: center; }

.device-frame { margin: 0; }
.device-bar { background: var(--ink-surface); border: 1px solid var(--ink-line); border-bottom: none; border-radius: var(--radius-panel) var(--radius-panel) 0 0; padding: 9px 14px; }
.device-url { font-family: var(--font-mono); font-size: .78rem; color: var(--on-ink-muted); }
.device-screen { border: 1px solid var(--ink-line); border-top: none; border-radius: 0 0 var(--radius-panel) var(--radius-panel); min-height: 300px; position: relative; overflow: hidden; box-shadow: 0 24px 60px -30px rgba(0,0,0,.8); }
.device-shot { display: block; width: 100%; height: 100%; min-height: 300px; object-fit: cover; }
.device-map { background:
    radial-gradient(120% 120% at 30% 20%, rgba(46,147,173,.25), transparent 60%),
    repeating-linear-gradient(115deg, #16324a 0 2px, transparent 2px 26px),
    linear-gradient(160deg, #12283b, #0c1a29); }
.map-chip { position: absolute; left: 16px; bottom: 16px; font-family: var(--font-mono); font-size: .74rem; color: var(--on-ink); background: rgba(8,14,23,.6); border: 1px solid var(--ink-line); border-radius: var(--radius-chip); padding: 5px 10px; }
.device-cap { font-size: .74rem; color: var(--on-ink-muted); margin-top: 10px; text-align: right; }

/* ---------- CRED BAR ---------- */
.cred-bar { background: var(--surface); border-bottom: 1px solid var(--line); }
.cred-list { display: flex; flex-wrap: wrap; gap: 12px 34px; justify-content: center; padding: 18px 24px; font-size: .88rem; color: var(--ink-muted); }
.cred-list strong { color: var(--ink); }
.cred-mono { font-family: var(--font-mono); font-size: .82rem; }

/* ---------- PRINCIPLE ---------- */
.principle h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.principle .lead { margin-top: 18px; }

/* ---------- STEPS ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 28px; box-shadow: var(--shadow-card); }
.step-num { font-family: var(--font-mono); font-size: .9rem; color: var(--accent-text); font-weight: 500; }
.step h3 { font-size: 1.25rem; margin: 12px 0 8px; }
.step p { color: var(--ink-muted); font-size: .95rem; }

/* ---------- FEATURES ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 26px; box-shadow: var(--shadow-card); transition: border-color .2s, box-shadow .2s; }
.feature:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); box-shadow: var(--shadow-card-hover); }
.feature h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature p { color: var(--ink-muted); font-size: .93rem; }

/* ---------- PERSONAS ---------- */
.persona-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.persona { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 28px; box-shadow: var(--shadow-card); }
.persona h3 { font-size: 1.2rem; margin-bottom: 8px; }
.persona p { color: var(--ink-muted); }

/* ---------- REPORTS / BADGES ---------- */
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 26px 0 0; }
.tech-badge { font-family: var(--font-mono); font-size: .82rem; background: var(--surface-sunken); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius-chip); padding: 8px 12px; }
.tech-badge em { color: var(--ink-muted); font-style: normal; font-size: .74rem; margin-left: 6px; }

/* ---------- FOUNDER ---------- */
.founder-card { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius-panel); padding: 36px; box-shadow: var(--shadow-card); }
.founder-card h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.founder-sign { margin-top: 16px; font-family: var(--font-mono); font-size: .85rem; color: var(--ink-muted); }

/* ---------- PLANS ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.plan { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 28px; box-shadow: var(--shadow-card); display: flex; flex-direction: column; }
.plan-featured { border-color: var(--accent); box-shadow: var(--shadow-card-hover); }
.plan-top { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.plan-flag { position: absolute; top: -11px; left: 24px; background: var(--accent); color: #fff; font-size: .72rem; font-weight: 600; letter-spacing: .04em; padding: 4px 10px; border-radius: var(--radius-chip); }
.plan-name { font-size: 1.3rem; margin-bottom: 10px; }
.plan-price { margin: 0 0 4px; display: flex; align-items: baseline; gap: 2px; }
.plan-cur { font-size: 1rem; color: var(--ink-muted); font-weight: 600; }
.plan-amount { font-family: var(--font-display); font-size: 2.1rem; font-weight: 600; color: var(--ink); }
.plan-per { font-size: .9rem; color: var(--ink-muted); }
.plan-tag { font-size: .86rem; color: var(--ink-muted); margin: 0 0 16px; min-height: 40px; }
.plan-feats { list-style: none; margin: 0 0 22px; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: .92rem; color: var(--ink); }
.plan-feats li { padding-left: 20px; position: relative; }
.plan-feats li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }
.plan .btn { margin-top: auto; }
.pricing-note { text-align: center; font-size: .86rem; color: var(--ink-muted); margin-top: 26px; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq-item summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; padding: 18px 0; list-style: none; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--accent-text); font-weight: 500; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--ink-muted); padding: 0 0 20px; max-width: 72ch; }

/* ---------- CTA FINAL (dark band) ---------- */
.cta-final { background: var(--ink-bg); color: var(--on-ink); border-bottom: none; }
.cta-final h2 { color: var(--on-ink); font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.cta-final .lead { color: var(--on-ink-muted); margin-top: 14px; }
.cta-final .hero-cta { margin-top: 26px; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--ink-bg); color: var(--on-ink); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; padding: 56px 24px 28px; }
.site-footer .brand-name, .site-footer .brand { color: var(--on-ink); }
.footer-loc { color: var(--on-ink-muted); font-size: .88rem; margin-top: 10px; }
.footer-principle { color: var(--on-ink-muted); font-size: .84rem; margin-top: 12px; max-width: 42ch; }
.footer-links { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.footer-links a { color: var(--on-ink-muted); font-size: .9rem; }
.footer-links a:hover { color: var(--on-ink); }
.footer-bottom { border-top: 1px solid var(--ink-line); padding: 18px 24px; }
.footer-bottom p { color: var(--on-ink-muted); font-size: .82rem; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .steps, .feature-grid, .pricing-grid { grid-template-columns: 1fr 1fr; }
  .persona-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .steps, .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2rem, 8vw, 2.6rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}