/* ============================================================
   3DFORGE PARIS — atelier d'impression · Île-de-France
   Design tokens + base styles
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-1: #0e0e10;
  --bg-2: #131316;
  --surface: rgba(255, 255, 255, 0.025);
  --surface-2: rgba(255, 255, 255, 0.045);
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.24);

  --fg: #fafafa;
  --fg-2: #d4d4d4;
  --muted: #8a8a8a;
  --muted-2: #5e5e62;

  --violet: #8b5cf6;
  --violet-2: #a78bfa;
  --cyan: #06b6d4;
  --cyan-2: #22d3ee;
  --grad: linear-gradient(120deg, #8b5cf6 0%, #06b6d4 100%);
  --grad-soft: linear-gradient(120deg, rgba(139, 92, 246, 0.18), rgba(6, 182, 212, 0.18));
  --grad-text: linear-gradient(120deg, #c4b5fd 0%, #67e8f9 100%);

  --ok: #4ade80;
  --warn: #f59e0b;

  --font-sans: "Geist", "Geist Sans", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-display: "Space Grotesk", "Geist", sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", "SF Mono", "Menlo", monospace;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --max: 1280px;
  --pad-x: clamp(20px, 4vw, 56px);

  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
}

[data-theme="light"] {
  --bg: #f5f5f4;
  --bg-1: #efeeec;
  --bg-2: #e8e7e4;
  --surface: rgba(0, 0, 0, 0.025);
  --surface-2: rgba(0, 0, 0, 0.04);
  --line: rgba(0, 0, 0, 0.09);
  --line-2: rgba(0, 0, 0, 0.16);
  --line-strong: rgba(0, 0, 0, 0.28);
  --fg: #0a0a0a;
  --fg-2: #2a2a2a;
  --muted: #6b6b6b;
  --muted-2: #9c9c9c;
  --grad-text: linear-gradient(120deg, #6d28d9 0%, #0891b2 100%);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}
body {
  min-height: 100vh;
  overflow-x: hidden;
}

::selection { background: rgba(139, 92, 246, 0.4); color: #fff; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

/* ---- Typography ---------------------------------------- */

.font-mono { font-family: var(--font-mono); }
.font-display { font-family: var(--font-display); letter-spacing: -0.025em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.eyebrow .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grad);
  margin-right: 10px;
  vertical-align: middle;
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.7);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.02;
}

.h-display {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 124px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
}
.h-section {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
}
.h-card {
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
/* Section h2 inside a SectionHead: smaller than the page-hero h1 to avoid title duplication */
.section-head .h-section {
  font-size: clamp(26px, 3.5vw, 42px);
}

/* Route-aware body lock: home is locked on desktop only, devis modal always locks */
body[data-route="home"] { overflow: hidden; height: 100vh; }
body[data-route="devis"] { overflow: hidden; }
@media (max-width: 999px) {
  body[data-route="home"] { overflow: auto; height: auto; }
}

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---- Layout primitives --------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

section {
  position: relative;
  padding-block: clamp(80px, 10vw, 140px);
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 56px;
  align-items: end;
}
@media (min-width: 900px) {
  .section-head { grid-template-columns: 1.2fr 1fr; gap: 64px; }
}
.section-head .lead {
  color: var(--muted);
  font-size: 16px;
  max-width: 44ch;
  text-wrap: pretty;
}

.rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.1em;
}

/* ---- Buttons ------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 200ms var(--ease-out), border-color 200ms, background 200ms, color 200ms, box-shadow 200ms;
  white-space: nowrap;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--grad);
  color: #0a0a0a;
  font-weight: 600;
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.5), 0 10px 30px -10px rgba(139, 92, 246, 0.55), 0 20px 50px -20px rgba(6, 182, 212, 0.4);
}
.btn-primary:hover {
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.7), 0 14px 40px -8px rgba(139, 92, 246, 0.7), 0 25px 60px -20px rgba(6, 182, 212, 0.6);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--fg);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--line-2); }

.btn-outline {
  border-color: var(--line-2);
  color: var(--fg);
}
.btn-outline:hover { border-color: var(--fg); background: var(--surface); }

.btn-sm { padding: 8px 14px; font-size: 12.5px; }

.arrow { transition: transform 200ms var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---- Card --------------------------------------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color 250ms, background 250ms, transform 300ms var(--ease-out);
}
.card:hover { border-color: var(--line-2); }

.card-pad { padding: 28px; }
@media (min-width: 700px) { .card-pad { padding: 36px; } }

.card-glow {
  position: relative;
}
.card-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 250ms;
  pointer-events: none;
}
.card-glow:hover::before { opacity: 0.6; }

/* ---- Tag / chip --------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  background: var(--bg-1);
}
.tag-accent {
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.12), rgba(6, 182, 212, 0.12));
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--cyan-2);
}

/* ---- Grid lines / rails ------------------------------- */

.bg-grid {
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
}
.bg-dots {
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}

.divider {
  height: 1px;
  background: var(--line);
  width: 100%;
}

/* ---- Marquee ------------------------------------------ */

.marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 64px;
  width: max-content;
  animation: marquee 38s linear infinite;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---- Scroll reveal ------------------------------------
   Keep content visible by default (SEO, no-JS, social scrapers,
   screen readers) — only animate the transform.
   --------------------------------------------------------- */

.reveal {
  opacity: 1;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
/* Only fade-in when JS has booted (html.has-js) AND element hasn't intersected yet */
html.has-js .reveal:not(.in) {
  opacity: 0;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal,
  html.has-js .reveal:not(.in) {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---- Misc --------------------------------------------- */

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.95 0 0 0 0 0.95 0 0 0 0 0.95 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' /></svg>");
  mix-blend-mode: overlay;
}

/* ---- Focus ring ---------------------------------------- */

button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [role="button"]:focus-visible {
  outline: 2px solid var(--violet-2);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---- Forms: force dark inputs everywhere ------------- */

input, textarea, select {
  color-scheme: dark;
}

/* Base styles for all form inputs in our app — global so they
   apply on every page (Contact, devis modal, future forms). */
.qf-input,
.qf-textarea,
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: border-color 180ms, background 180ms, box-shadow 180ms;
  resize: vertical;
  -webkit-appearance: none;
  appearance: none;
}
.qf-input:hover, .qf-textarea:hover { border-color: var(--line-2); }
.qf-input:focus, .qf-textarea:focus {
  outline: none;
  border-color: var(--violet);
  background: var(--bg-2);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

/* Kill the white background WebKit forces on autofilled fields */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-text-fill-color: var(--fg) !important;
  -webkit-box-shadow: 0 0 0 1000px var(--bg-1) inset !important;
  box-shadow: 0 0 0 1000px var(--bg-1) inset !important;
  caret-color: var(--fg);
  transition: background-color 5000s ease-in-out 0s;
}
input::placeholder,
textarea::placeholder { color: var(--muted-2); opacity: 1; }

/* ---- Custom scrollbar --------------------------------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }