/* ======= Global reset & base styles ======= */
* {
  box-sizing: border-box;
}
html:focus-within {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}

/* ======= Color variables (dark by default) ======= */
:root {
  --brand: #0ea5e9;
  --brand-600: #0284c7;
  --bg: #0b0c0e;
  --fg: #e7e9ee;
  --header-fg:#e7e9ee;
  --muted: #aab4bc;
  --muted-nav:#aab0bc;
  --card: #131419;
  --card-border: #1f2127;
  --alt: #0e0f13;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Light mode if user prefers */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --fg: #0b0c0e;
    --header-fg:#c6c8ce;
    --muted: #5b6270;
    --muted-nav:#8e8f8f;
    --card: #ffffff;
    --card-border: #e6e8ee;
    --alt: #f8fafc;
  }
}

/* Dark class toggled via script */
.dark {
  --bg: #0b0c0e;
  --fg: #e7e9ee;
  --header-fg:#e7e9ee;
  --muted: #aab0bc;
  --muted-nav:#aab0bc;
  --card: #131419;
  --card-border: #1f2127;
  --alt: #0e0f13;
}

/* Container utility */
.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

/* Sections */
.section {
  padding: clamp(3rem, 4vw, 5rem) 0;
}
.section.alt {
  background: var(--alt);
}
.section-title {
  font-size: clamp(1.6rem, 2.3vw, 2.2rem);
  margin: 0 0 0.5rem;
}
.section-subtitle {
  color: var(--muted);
  margin: 0 0 2rem;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: #fff;
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(140, 20, 20, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
  color: var(--header-fg)
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.20rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
}
.logo img {
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.2));
}
.brand {
  font-size: 1.05rem;
  letter-spacing: 0.2px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.nav a {
  padding: 0.4rem 0.6rem;
  border-radius: 0.5rem;
  color: var(--muted-nav);
}
.nav a:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.06);
}
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--card-border);
  padding: 0.35rem 0.5rem;
  border-radius: 0.5rem;
  color: var(--fg);
}
.theme-toggle {
  background: none;
  border: 1px solid var(--card-border);
  padding: 0.35rem 0.5rem;
  border-radius: 0.5rem;
  color: var(--fg);
}

/* Mobile nav */
@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
  }
  .nav {
    position: absolute;
    right: 1rem;
    top: 64px;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--card-border);
    padding: 0.6rem;
    border-radius: 0.8rem;
    box-shadow: var(--shadow);
    display: none;
  }
  .nav.open {
    display: flex;
  }
}

/* Hero */
.hero {
  background: radial-gradient(1200px 600px at 10% -10%, rgba(14, 165, 233, 0.18), transparent 60%), radial-gradient(900px 500px at 100% 10%, rgba(14, 165, 233, 0.12), transparent 60%);
  border-bottom: 1px solid var(--card-border);
}
.hero-inner {
  padding: clamp(3rem, 5vw, 6rem) 0;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
}
.hero-copy h1 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.15;
  margin: 0 0 0.8rem;
}
.lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.4vw, 1.15rem);
  margin: 0 0 1.2rem;
}
.hero-cta {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin-bottom: 1rem;
}
.trust {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
}
.hero-media {
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .trust {
    grid-template-columns: 1fr;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--card-border);
  transition: transform 0.05s ease, background 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--brand);
  color: white;
  border-color: transparent;
}
.btn-primary:hover {
  background: var(--brand-600);
}
.btn-outline {
  background: transparent;
  color: var(--fg);
}

/* Grid utilities */
.grid {
  display: grid;
  gap: 1rem;
}
.cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 980px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
}
.card .icon {
  width: 48px;
  height: 48px;
  color: var(--brand);
  background: rgba(14, 165, 233, 0.12);
  display: inline-grid;
  place-items: center;
  border-radius: 0.8rem;
  margin-bottom: 0.6rem;
}

/* About section */
.about {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}
@media (max-width: 980px) {
  .about {
    grid-template-columns: 1fr;
  }
}
.bullets {
  margin: 0;
  padding-left: 1.1rem;
}

/* Portfolio */
.portfolio {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 980px) {
  .portfolio {
    grid-template-columns: 1fr;
  }
}
.work {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.work figcaption {
  padding: 0.9rem 1rem;
}

/* Forms */
.form {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: var(--shadow);
  max-width: 680px;
}
.field {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 0.8rem;
}
input, textarea {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--card-border);
  border-radius: 0.6rem;
  padding: 0.7rem 0.9rem;
}
input:focus, textarea:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}
.hp {
  display: none !important;
}
.form-msg {
  margin-top: 0.5rem;
  color: var(--muted);
  min-height: 1.2em;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 1.2rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}
.footer-nav {
  display: flex;
  gap: 0.8rem;
}

/* Utility for screen reader */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ======= Theme colors for quick niche changes ======= */
/*
  Pour décliner ce template sur d'autres niches, changez simplement la variable --brand et --brand-600 ici.
  Exemples:
  --brand: #10b981; --brand-600: #059669;  // Vert
  --brand: #8b5cf6; --brand-600: #7c3aed;  // Violet
  --brand: #f59e0b; --brand-600: #d97706;  // Orange
*/