/* SID TECH CONSULTING — feuille de style principale */

:root {
  --bg: #0b0f14;
  --bg-alt: #10161d;
  --surface: #161d26;
  --border: #232c38;
  --text: #e8edf3;
  --text-muted: #93a1b3;
  --accent: #3ea6ff;
  --accent-dim: #1c4a6e;
  --mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #061018;
}

.btn-primary:hover {
  background: #5ab6ff;
  text-decoration: none;
}

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

.btn-outline:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 100px 24px 80px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.hero .container {
  max-width: 780px;
}

.hero .eyebrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 2.75rem;
  line-height: 1.15;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin-bottom: 32px;
  max-width: 620px;
}

.hero .cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Sections */
section {
  padding: 72px 24px;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-header .eyebrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Grid of cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.card .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card ul {
  margin-top: 14px;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.card ul li { margin-bottom: 6px; }

/* Stack / tags */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tag {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 5px;
}

/* Process steps */
.steps {
  counter-reset: step;
  display: grid;
  gap: 20px;
}

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-number {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
  min-width: 32px;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* About page */
.about-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.about-block p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.stat {
  border-left: 2px solid var(--accent);
  padding-left: 16px;
}

.stat .num {
  font-family: var(--mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
}

.stat .label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Contact form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 640px;
}

form {
  display: grid;
  gap: 18px;
}

label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

input, textarea, select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

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

.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.form-status {
  padding: 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.form-status.success {
  background: rgba(62, 166, 255, 0.1);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
}

.form-status.error {
  background: rgba(255, 92, 92, 0.1);
  border: 1px solid #7a2e2e;
  color: #ff8a8a;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Responsive */
@media (min-width: 860px) {
  .about-block {
    grid-template-columns: 2fr 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr 1fr;
    max-width: none;
  }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 64px 24px 48px; }
}