/* ==========================================================================
   layout.css — Page-level structural layout
   ========================================================================== */

.container {
  width: min(var(--width-wide), 100% - 2 * var(--spacing-lg));
  margin-inline: auto;
}

.container--narrow {
  width: min(var(--width-content), 100% - 2 * var(--spacing-lg));
  margin-inline: auto;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease,
              backdrop-filter 0.4s ease,
              -webkit-backdrop-filter 0.4s ease,
              border-color 0.3s ease,
              box-shadow 0.3s ease,
              min-height 0.3s ease,
              padding 0.3s ease;
}

[data-mode="arcade"] .site-header {
  background: transparent;
}

.site-header.is-scrolled {
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

[data-mode="arcade"] .site-header.is-scrolled {
  background: rgba(8, 8, 16, 0.85);
}

.site-header.is-compact {
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

[data-mode="arcade"] .site-header.is-compact {
  background: rgba(8, 8, 16, 0.92);
}

.site-header.is-compact .header__inner {
  min-height: 48px;
  padding-top: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
}

.site-header.is-compact .brand {
  font-size: var(--font-size-base);
}

[data-theme="light"] .site-header.is-scrolled {
  background: rgba(244, 245, 247, 0.88);
}

[data-theme="light"] .site-header.is-compact {
  background: rgba(244, 245, 247, 0.94);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  min-height: 64px;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 2px solid var(--color-secondary);
  box-shadow: 0 2px 12px 0 color-mix(in srgb, var(--color-secondary) 40%, transparent);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 4;
  display: grid;
  gap: var(--spacing-lg);
  padding: var(--spacing-3xl) 0;
}

/* ── Sections ── */
.section {
  padding: var(--spacing-3xl) 0;
}

.section--alt {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* ── About Layout ── */
.about__grid {
  display: grid;
  gap: var(--spacing-2xl);
  align-items: start;
}

/* ── Services Grid ── */
.services__grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

/* ── Portfolio Grid ── */
#portfolio {
  position: relative;
  overflow: hidden;
}

#portfolio > .container {
  position: relative;
  z-index: 1;
}

.portfolio__grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
}

/* ── Process (Space Theme) ── */
#process {
  position: relative;
  overflow: hidden;
  clip-path: inset(0);
}

#process > .container {
  position: relative;
  z-index: 1;
}

.process__cosmos {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.process__stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.process__timeline {
  display: grid;
  gap: var(--spacing-xl);
  max-width: 680px;
  margin-inline: auto;
  position: relative;
  padding-left: 56px;
}

/* Orbital path — glowing gradient line */
.process__timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(
    180deg,
    hsl(var(--hue-primary) var(--sat-primary) 60%) 0%,
    hsl(var(--hue-secondary) var(--sat-secondary) 60%) 40%,
    hsl(var(--hue-primary) var(--sat-primary) 55%) 70%,
    hsl(var(--hue-primary) var(--sat-primary) 35% / 0.2) 100%
  );
  border-radius: var(--radius-full);
  box-shadow:
    0 0 6px hsl(var(--hue-primary) var(--sat-primary) 55% / 0.4),
    0 0 16px hsl(var(--hue-primary) var(--sat-primary) 55% / 0.2),
    0 0 32px hsl(var(--hue-secondary) var(--sat-secondary) 50% / 0.1);
  opacity: 0;
  transition: opacity 1.2s ease;
}

#process.is-in-view .process__timeline::before {
  opacity: 1;
}

/* ── Testimonials Grid ── */
.testimonials__grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

/* ── CTA Band ── */
.cta-band {
  background: var(--gradient-hero);
  text-align: center;
}

/* ── Intake Page ── */
.intake-page {
  padding-top: var(--spacing-4xl);
}

/* ── Contact Layout ── */
.contact__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--spacing-2xl);
}

/* ── Footer Layout ── */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  gap: var(--spacing-2xl);
  grid-template-columns: 1fr;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

/* ── Form Row (two-column) ── */
.form-row {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
  margin-bottom: var(--spacing-xs);
}

/* ── Responsive ── */
@media (min-width: 480px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 768px) {
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
  }

  .hero__inner {
    padding: var(--spacing-4xl) 0;
  }

  .section {
    padding: var(--spacing-4xl) 0;
  }

  .about__grid {
    grid-template-columns: 1.5fr 1fr;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__grid {
    grid-template-columns: 1.5fr 1fr;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process__timeline {
    max-width: 720px;
    gap: var(--spacing-2xl);
  }

  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1.5fr 1fr;
  }
}

@media (min-width: 1280px) {
  .hero__inner {
    padding: var(--spacing-5xl) 0;
  }
}

/* ── Extra-small screen fixes (320px) ── */
@media (max-width: 359px) {
  .container {
    width: min(var(--width-wide), 100% - 2 * var(--spacing-md));
  }

  .container--narrow {
    width: min(var(--width-content), 100% - 2 * var(--spacing-md));
  }

  .hero__inner {
    padding: var(--spacing-2xl) 0;
  }

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

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}