/* ============================================================
   AMC Labs — Shared Stylesheet
   amc-group.fr
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&family=Syne:wght@400;600;700;800&display=swap');

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:       #050505;
  --bg-2:     #0a0a0a;
  --bg-3:     #0f0f0f;
  --green:    #00ff87;
  --cyan:     #00d4ff;
  --muted:    #3a3a3a;
  --text:     #c8c8c8;
  --text-dim: #606060;
  --border:   #1a1a1a;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-head: 'Syne', sans-serif;
  --max-w:    1100px;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Grid overlay on body */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

main {
  flex: 1;
  position: relative;
  z-index: 1;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--green);
}

img { display: block; max-width: 100%; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem);  font-weight: 700; }
h3 { font-size: clamp(1rem, 2vw, 1.25rem); font-weight: 600; }

p { color: var(--text); }

.label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
}

/* ── Layout helpers ───────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 48px;
}

.section-header .label {
  display: block;
  margin-bottom: 12px;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .logo-bracket {
  color: var(--green);
}

.logo-sub {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 300;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--green);
  transition: width var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--green);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: all var(--transition);
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 11px;
  color: var(--text-dim);
}

.footer-copy span {
  color: var(--green);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links a:hover {
  color: var(--cyan);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: #050505;
  border-color: var(--green);
}

.btn-primary:hover {
  background: transparent;
  color: var(--green);
}

.btn-outline {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
}

.btn-outline:hover {
  background: var(--cyan);
  color: #050505;
}

/* ── Blinking cursor ──────────────────────────────────────── */
.cursor {
  display: inline-block;
  width: 10px;
  height: 1.2em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Terminal prompt prefix ───────────────────────────────── */
.prompt::before {
  content: '> ';
  color: var(--green);
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ── Status badge ─────────────────────────────────────────── */
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 2px;
}

.status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-live {
  color: var(--green);
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.2);
}

.status-live::before {
  background: var(--green);
  box-shadow: 0 0 4px var(--green);
  animation: pulse 1.5s ease-in-out infinite;
}

.status-dev {
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.status-dev::before {
  background: var(--cyan);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Scanline effect ──────────────────────────────────────── */
@keyframes scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* ── Page hero ────────────────────────────────────────────── */
.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
}

.page-hero .label {
  display: block;
  margin-bottom: 16px;
}

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--muted);
  box-shadow: 0 0 20px rgba(0, 255, 135, 0.04);
}

/* ── Form elements ────────────────────────────────────────── */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 16px;
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  section { padding: 56px 0; }

  .site-nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
  }

  .site-nav.open { display: flex; }

  .site-nav a { font-size: 13px; }

  .nav-toggle { display: flex; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}