/* ============================================ */
/* shared-styles.css — Mockups Acora            */
/* Direction artistique : "Industrial Clean"     */
/* ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Poppins:wght@600;700;800&display=swap');

/* ---- Variables DA (section 8) ---- */
:root {
  --color-primary:      #D63F28;
  --color-primary-dark: #B83420;
  --color-dark:         #1A1D20;
  --color-dark-bg:      #1E2A2F;
  --color-text:         #5C6670;
  --color-bg:           #FFFFFF;
  --color-bg-alt:       #F4F5F7;
  --color-border:       #E2E8F0;

  --font-heading: 'Poppins', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm: 2px;
  --radius-md: 3px;

  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  40px;
  --space-xl:  64px;
  --space-2xl: 96px;

  --shadow-card:       0 2px 12px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 4px 20px rgba(0,0,0,0.10);

  --max-width: 1280px;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
}
h1 { font-size: 48px; font-weight: 800; }
h2 { font-size: 34px; font-weight: 700; margin-bottom: var(--space-sm); }
h3 { font-size: 22px; font-weight: 600; }
p  { margin-bottom: var(--space-sm); }

.section-subtitle {
  font-size: 16px;
  color: var(--color-text);
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--space-2xl) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--color-dark-bg);
}
.section--dark h2,
.section--dark h3 { color: #FFFFFF; }
.section--dark p,
.section--dark .section-subtitle { color: rgba(255,255,255,0.65); }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
  border: 2px solid transparent;
  text-align: center;
}

.btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  padding: 10px 22px;
  font-size: 14px;
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--secondary {
  background: transparent;
  border-color: var(--color-dark);
  color: var(--color-dark);
  padding: 10px 22px;
  font-size: 14px;
}
.btn--secondary:hover {
  background: var(--color-dark);
  color: #fff;
}

.btn--secondary-light {
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: #fff;
  padding: 10px 22px;
  font-size: 14px;
}
.btn--secondary-light:hover {
  background: #fff;
  color: var(--color-dark);
  border-color: #fff;
}

.btn--lg { padding: 14px 32px; font-size: 16px; }
.btn--sm { padding: 7px 16px;  font-size: 13px; }

/* ---- Cards ---- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

/* ---- Badges / Tags ---- */
.badge {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-dark);
  border: 1px solid #DDE1E4;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.badge--accent {
  border-left: 3px solid var(--color-primary);
}

.tag {
  display: inline-block;
  background: var(--color-bg-alt);
  border: 1px solid #DDE1E4;
  font-size: 11px;
  color: var(--color-text);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  margin: 2px 3px 2px 0;
}

/* ---- Image placeholder ---- */
.img-placeholder {
  background: #E8E9EB;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9AA2AB;
  font-size: 13px;
  font-style: italic;
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* ---- Header / Navigation (sombre) ---- */
.site-header {
  background: var(--color-dark);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: var(--space-md);
}

.site-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}
.site-logo span {
  color: var(--color-primary);
}
.site-logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}

.main-nav a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.78);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  border-bottom-color: var(--color-primary);
}

.header-cta {
  margin-left: var(--space-sm);
  flex-shrink: 0;
}

/* Hamburger */
.nav-toggle { display: none; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ---- CTA Band (global) ---- */
.cta-band {
  background: var(--color-dark-bg);
  padding: var(--space-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band h2 {
  color: #fff;
  margin-bottom: var(--space-sm);
}
.cta-band > .container > p {
  color: rgba(255,255,255,0.65);
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}
.cta-band-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}
.cta-band-sub {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-md);
  max-width: 500px;
  margin: 0 auto;
}
.cta-band-sub p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-sm);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.65);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: var(--space-sm);
}

.footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-xs);
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.15s;
}
.footer-col ul li a:hover { color: #fff; }

.footer-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  display: inline-block;
  margin-bottom: var(--space-sm);
}
.footer-logo span { color: var(--color-primary); }
.footer-logo-img {
  height: 44px;
  width: auto;
  display: block;
  margin-bottom: var(--space-sm);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a {
  color: rgba(255,255,255,0.35);
  margin-left: var(--space-md);
  transition: color 0.15s;
}
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  h1 { font-size: 40px; }
  h2 { font-size: 30px; }
  .section { padding: var(--space-xl) 0; }
}

@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  h3 { font-size: 18px; }
  .section { padding: var(--space-xl) 0; }

  /* Mobile nav */
  .hamburger { display: flex; }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-dark);
    flex-direction: column;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    gap: 0;
    z-index: 99;
  }
  .main-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    width: 100%;
  }
  .main-nav a:last-child { border-bottom: none; }

  .nav-toggle:checked ~ .main-nav { display: flex; }

  .nav-toggle:checked ~ .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .header-cta { display: none; }

  /* CTA band */
  .cta-band { padding: var(--space-xl) 0; }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
  .footer-bottom a { margin-left: 0; margin: 0 var(--space-xs); }
}