/* ═══════════════════════════════════════════════
   GRIMOIRE KIT — Base Styles
   Reset · Layout · Nav · Footer · Typography
   Buttons · Cards · Surfaces · Common components
   ═══════════════════════════════════════════════ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Ambient glow — source unique ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: radial-gradient(ellipse 60% 40% at 18% 8%, rgba(255,107,61,0.05) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

/* ── Blueprint grid ── */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none; z-index: 0;
  mask-image: linear-gradient(to bottom, transparent 0%, black 8%, black 92%, transparent 100%);
}

/* ── Selection ── */
::selection { background: var(--accent-soft); color: var(--ink); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--elev-1); }
::-webkit-scrollbar-thumb { background: var(--ink-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Focus ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Skip link ── */
.skip-link {
  position: absolute; top: -999px; left: 16px;
  background: var(--accent); color: var(--bg);
  font-family: var(--font-mono); font-size: var(--text-sm);
  padding: 8px 16px; border-radius: var(--r-sm);
  z-index: 9999; text-decoration: none;
}
.skip-link:focus { top: 8px; }

/* ── Container ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
  position: relative; z-index: 1;
}

/* ── Navigation ── */
#forge-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: 56px;
  background: rgba(11,12,14,0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 900;
  transition: background 300ms, border-color 300ms;
}
#forge-nav.scrolled {
  background: rgba(18,20,24,0.95);
  border-bottom-color: var(--line-strong);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600;
  color: var(--ink); text-decoration: none; letter-spacing: 0.04em;
}
.nav-logo .logo-accent { color: var(--accent); transition: color 300ms; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-muted);
  text-decoration: none; letter-spacing: 0.06em;
  transition: color 200ms; padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--accent); border-bottom-color: var(--accent); }
.nav-cta {
  font-family: var(--font-mono); font-size: 0.72rem;
  padding: 7px 18px;
  border: 1px solid var(--accent); color: var(--accent);
  border-radius: var(--r-sm); text-decoration: none;
  transition: background 200ms, color 200ms;
}
.nav-cta:hover { background: var(--accent); color: var(--bg); }
@media (max-width: 640px) { .nav-links { display: none; } }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.06em; text-decoration: none;
  border-radius: var(--r-sm); padding: 12px 24px;
  cursor: pointer; border: none;
  transition: all 200ms;
  position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: var(--bg);
  box-shadow: 0 0 32px -8px var(--accent-glow);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost {
  background: transparent; color: var(--ink-soft);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--line-strong); color: var(--ink); }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-sans); font-weight: 700;
  line-height: var(--lh-title); letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, var(--text-5xl)); }
h2 { font-size: clamp(1.6rem, 3.2vw, var(--text-4xl)); }
h3 { font-size: clamp(1rem, 1.8vw, var(--text-xl)); font-weight: 600; }

.eyebrow {
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted);
  display: flex; align-items: center; gap: 10px;
}
.eyebrow .num { color: var(--accent); }

.grad-text {
  background: linear-gradient(135deg, var(--ink) 30%, var(--ink-soft) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section ── */
section { padding: 120px 0; position: relative; }
section.dense { padding: 80px 0; }
@media (max-width: 640px) { section { padding: 80px 0; } }

/* ── Status dot ── */
.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
  display: inline-block;
}

/* ── Proof bar ── */
#proof-bar {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative; z-index: 1;
}
.proof-inner {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 0;
}
.proof-item {
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--ink-muted); padding: 0 24px;
  letter-spacing: 0.06em; white-space: nowrap;
}
.proof-sep { color: var(--line-strong); font-size: 0.8rem; }

/* ── Manifeste ── */
.manifeste-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--gap); margin-top: 52px;
}
@media (max-width: 960px) { .manifeste-grid { grid-template-columns: 1fr; } }

.manifeste-block {
  padding: 32px; background: var(--elev-1);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}
.manifeste-num {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--accent); letter-spacing: 0.1em; margin-bottom: 18px;
}
.manifeste-block h3 { font-size: 1.05rem; margin-bottom: 10px; }
.manifeste-block p { font-size: var(--text-sm); color: var(--ink-soft); line-height: var(--lh-body); }

/* ── Surface cards ── */
.surfaces-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--gap); margin-top: 52px;
}
@media (max-width: 960px) { .surfaces-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .surfaces-grid { grid-template-columns: 1fr; } }

.surface-card {
  background: var(--elev-1); border: 1px solid var(--line);
  border-radius: var(--r-md); overflow: hidden;
  position: relative; transition: border-color var(--dur-base);
}
.surface-card::before {
  content: ''; position: absolute; inset: -1px; border-radius: var(--r-md);
  background: conic-gradient(from var(--sweep-angle, 0deg), var(--accent), transparent 40%);
  opacity: 0; pointer-events: none; z-index: 0;
  transition: opacity var(--dur-base);
}
.surface-card-inner {
  position: relative; z-index: 1;
  background: var(--elev-1); margin: 1px; border-radius: 7px; height: calc(100% - 2px);
}
.surface-card-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 20px 20px 0;
}
.surface-badge {
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.1em;
  color: var(--ink-muted); background: var(--elev-2); padding: 3px 7px; border-radius: 2px;
}
.surface-status {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 0.58rem; color: var(--ink-muted);
}
.surface-status .dot { width: 5px; height: 5px; border-radius: 50%; }
.surface-status.live   .dot { background: var(--data-green); box-shadow: 0 0 5px var(--data-green); }
.surface-status.partial .dot { background: var(--data-amber); }
.surface-status.roadmap .dot { background: var(--ink-muted); }
.surface-status.live   { color: var(--data-green); }
.surface-status.partial { color: var(--data-amber); }

.surface-body { padding: 16px 20px 20px; }
.surface-body h3 { font-size: 0.95rem; margin-bottom: 6px; }
.surface-body p  { font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 12px; line-height: 1.55; }
.surface-meta {
  font-family: var(--font-mono); font-size: 0.6rem; color: var(--ink-muted); letter-spacing: 0.04em;
}
.surface-preview {
  margin: 0 20px 20px;
  background: var(--elev-2); border: 1px solid var(--line);
  border-radius: var(--r-sm); height: 100px; overflow: hidden; position: relative;
}

/* ── Feature grid ── */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--gap); margin-top: 52px;
}
@media (max-width: 960px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--elev-1); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 26px;
  transition: border-color 200ms, background 200ms;
  position: relative;
}
.feature-card:hover { border-color: rgba(255,107,61,0.28); background: var(--elev-2); }
.feature-badge {
  position: absolute; top: 16px; right: 16px;
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.1em;
  color: var(--accent); opacity: 0.6;
}
.feature-icon { width: 28px; height: 28px; color: var(--accent); margin-bottom: 16px; }
.feature-card h3 { font-size: 0.92rem; margin-bottom: 8px; }
.feature-card p  { font-size: 0.78rem; color: var(--ink-soft); line-height: 1.6; margin-bottom: 14px; }
.feature-link {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-muted);
  text-decoration: none; letter-spacing: 0.06em;
  border-bottom: 1px solid transparent;
  transition: color 200ms, border-color 200ms;
}
.feature-link:hover { color: var(--accent); border-color: var(--accent); }

/* ── Preuves / Metrics ── */
.metric-value {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, var(--text-3xl));
  font-weight: 600; line-height: 1; margin-bottom: 8px;
}
.metric-value .a { color: var(--accent); }
.metric-label {
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--ink-muted); letter-spacing: 0.1em; text-transform: uppercase;
}

/* ── Quote ── */
.quote-block {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}
.quote-text {
  font-size: 0.92rem; color: var(--ink-soft);
  line-height: 1.7; font-style: italic; margin-bottom: 14px;
}
.quote-author {
  font-family: var(--font-mono); font-size: 0.62rem;
  color: var(--ink-muted); letter-spacing: 0.1em;
}

/* ── CTA final ── */
#cta-final {
  padding: 160px 0; background: var(--elev-2);
  text-align: center; position: relative; overflow: hidden;
}
#cta-final::before {
  content: ''; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64'%3E%3Cpath d='M64,0 L0,0 0,64' fill='none' stroke='%23FF6B3D' stroke-width='0.5' opacity='0.06'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ── Footer ── */
#forge-footer {
  padding: 60px 0 36px;
  border-top: 1px solid var(--line);
  position: relative; z-index: 1;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 40px;
}
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand-name {
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600;
  color: var(--ink); letter-spacing: 0.04em; margin-bottom: 10px;
}
.footer-brand-name span { color: var(--accent); }
.footer-desc {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-muted);
  line-height: 1.7; max-width: 240px;
}
.footer-col h4 {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft);
  text-decoration: none; border-bottom: 1px solid transparent;
  transition: color 200ms, border-color 200ms;
}
.footer-col a:hover { color: var(--ink); border-color: var(--ink); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 20px; border-top: 1px solid var(--line);
}
.footer-bottom p {
  font-family: var(--font-mono); font-size: 0.62rem; color: var(--ink-muted);
}

/* ── Cockpit frame ── */
.cockpit-frame {
  background: var(--elev-1); border: 1px solid var(--line);
  border-radius: var(--r-md); overflow: hidden;
}
.cockpit-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 13px; background: var(--elev-2);
  border-bottom: 1px solid var(--line);
}
.ctl-dot { width: 8px; height: 8px; border-radius: 50%; }
.ctl-dot.r { background: #FF5F57; }
.ctl-dot.y { background: #FFBD2E; }
.ctl-dot.g { background: #28C840; }
.cockpit-label {
  font-family: var(--font-mono); font-size: 0.62rem;
  color: var(--ink-muted); margin-left: 6px; letter-spacing: 0.06em;
}
.cockpit-body { padding: 14px; position: relative; }
.term { font-family: var(--font-mono); font-size: 0.62rem; line-height: 1.8; }
.term .p { color: var(--accent); }
.term .v { color: var(--ink); }
.term .d { color: var(--ink-muted); }
.term .ok { color: var(--data-green); }
.term .wn { color: var(--data-amber); }
.agent-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 7px 14px;
  background: var(--elev-2); border-top: 1px solid var(--line);
}
.agent-pill {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 0.58rem; color: var(--ink-muted);
}
.agent-pill .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--ink-muted); }
.agent-pill.on .dot { background: var(--data-green); }
.agent-pill.on { color: var(--ink-soft); }

/* ── Timeline ── */
.timeline-track {
  position: relative; height: 2px; background: var(--ink-muted);
  margin: 0 0 44px; overflow: hidden; border-radius: 1px;
}
.timeline-track-fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 0%; background: var(--accent);
}
.timeline-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
@media (max-width: 640px) { .timeline-steps { grid-template-columns: 1fr 1fr; gap: 32px; } }
.timeline-step { padding-right: 24px; position: relative; }
.timeline-dot {
  position: absolute; top: -50px; left: 0;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink-muted); border: 2px solid var(--elev-1);
}
.timeline-step-num { font-family: var(--font-mono); font-size: 0.62rem; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 10px; }
.timeline-step h3 { font-size: 0.9rem; margin-bottom: 7px; }
.timeline-step p  { font-size: 0.78rem; color: var(--ink-soft); line-height: 1.6; }