/* ============================================================
   THEME.CSS — Typography, layout, and page structure
   Minimalist Cinema V4 — Asymmetric Hero
   Dynamic off-center layouts, electric blue accents
   ============================================================ */

/* --- Typography scale ------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-headline);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-charcoal);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h4 {
  font-size: 1.125rem;
  font-weight: 700;
}

h5 {
  font-size: 1rem;
  font-weight: 700;
}

h6 {
  font-size: 0.875rem;
  font-weight: 700;
}

p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  max-width: 65ch;
}

.lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 55ch;
}

small,
.text-sm {
  font-size: 0.875rem;
  line-height: 1.6;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-white {
  color: var(--color-white);
}

.text-terracotta {
  color: var(--color-terracotta);
}

/* --- Layout ------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--content-width);
}

.section {
  padding-block: var(--space-8);
}

.section--lg {
  padding-block: var(--space-9);
}

.section--sm {
  padding-block: var(--space-5);
}

/* --- Header ------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: var(--space-4);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--color-charcoal);
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.site-header__logo:hover {
  color: var(--color-electric_blue);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav a {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.site-header__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-electric_blue);
  transition: width var(--transition-base);
}

.site-header__nav a:hover::after,
.site-header__nav a[aria-current='page']::after {
  width: 100%;
}

.site-header__nav a[aria-current='page'] {
  color: var(--color-electric_blue);
}

/* --- Footer ------------------------------------------------- */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-white);
  padding-block: var(--space-7);
  margin-top: var(--space-8);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-5);
}

.site-footer__brand {
  max-width: 28ch;
}

.site-footer__brand p {
  color: rgb(255, 255, 255, 0.65);
  font-size: 0.9375rem;
  margin-top: var(--space-2);
}

.site-footer__brand .logo {
  font-family: var(--font-headline);
  color: var(--color-white);
  font-size: 1.375rem;
  font-weight: 800;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--space-5);
}

.site-footer__col h3 {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(255, 255, 255, 0.85);
  margin-bottom: var(--space-3);
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__col a {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: rgb(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__col a:hover {
  color: var(--color-white);
}

.site-footer__bottom {
  padding-top: var(--space-5);
  border-top: 1px solid rgb(255, 255, 255, 0.1);
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.site-footer__bottom p {
  font-size: 0.8125rem;
  color: rgb(255, 255, 255, 0.55);
  max-width: none;
}

/* --- Page header -------------------------------------------- */
.page-header {
  padding-block: var(--space-8) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.page-header__eyebrow {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-electric_blue);
  margin-bottom: var(--space-2);
}

.page-header h1 {
  max-width: 20ch;
}

.page-header .lead {
  margin-top: var(--space-3);
}

/* --- Hero --------------------------------------------------- */
.hero {
  padding-block: var(--space-9) var(--space-8);
}

.hero__eyebrow {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-electric_blue);
  margin-bottom: var(--space-3);
}

.hero__headline {
  font-size: clamp(2.75rem, 7vw, 5rem);
  line-height: 1.05;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.hero__subheadline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-5);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* --- Responsive --------------------------------------------- */
@media (width <= 768px) {
  :root {
    --gutter: var(--space-3);
    --space-8: 5rem;
    --space-9: 7rem;
  }

  .site-header__inner {
    height: 4rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header__nav {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 5rem 2rem 2rem;
    box-shadow: -4px 0 24px rgb(26, 26, 26, 0.15);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 150;
  }

  .site-header__nav.is-open {
    display: flex;
    transform: translateX(0);
  }

  .site-header__nav a {
    font-size: 1rem;
    padding: 0.75rem 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
    min-height: auto;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (width <= 480px) {
  :root {
    --gutter: var(--space-2);
  }

  .site-header__logo {
    font-size: 1.125rem;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}