/* responsive.css
   Mobile-first responsive improvements for Blaze Studio
   Breakpoints: 320 · 375 · 390 · 540 · 768 · 850 · 1024 · 1440
   ─────────────────────────────────────────────────────────────
   Covers: overflow, spacing, typography, navigation, buttons,
   section layouts, hero, features, process, footer, about page.
   No colour, branding, or content changes.
*/

/* ═══════════════════════════════════════════════════════
   GLOBAL — prevent horizontal scroll site-wide
═══════════════════════════════════════════════════════ */
html { overflow-x: hidden; }

/* ═══════════════════════════════════════════════════════
   PERFORMANCE — GPU-composite reveal animations
═══════════════════════════════════════════════════════ */
.reveal { will-change: opacity, transform; }

/* ═══════════════════════════════════════════════════════
   ACCESSIBILITY — respect reduced-motion preference
═══════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ═══════════════════════════════════════════════════════
   NAV — positioning context & 44px touch target
═══════════════════════════════════════════════════════ */
header.nav {
  /* Gives the absolute-positioned mobile dropdown a proper
     anchor so it doesn't drift when the user scrolls. */
  position: relative;
}

.menu {
  min-width: 44px;
  min-height: 44px;
  display: none;         /* overridden at ≤850px */
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0 8px;
  border-radius: 8px;
  line-height: 1;
}

/* ═══════════════════════════════════════════════════════
   ≤ 1440px — wide desktop (fine-tune spacing)
═══════════════════════════════════════════════════════ */
@media (max-width: 1440px) {
  .glow-one { right: -80px; }
}

/* ═══════════════════════════════════════════════════════
   ≤ 1024px — small laptop / large tablet landscape
═══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  /* Services: 2-column avoids orphaned 1-card rows */
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .crypto { grid-column: auto; }

  /* CTA heading: scale with viewport */
  .cta h2 { font-size: clamp(34px, 4vw, 44px); }

  /* Footer 5-column → 3-column already in footer.css;
     ensure brand logo col spans full width */
  .footer-brand { grid-column: 1 / -1; }
}

/* ═══════════════════════════════════════════════════════
   ≤ 850px — tablet breakpoint
═══════════════════════════════════════════════════════ */
@media (max-width: 850px) {
  /* Hamburger */
  .menu { display: flex; }

  /* ── Hero proof stats: 2 × 2 grid ── */
  .hero-proof {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 0;
    justify-items: start;
  }
  /* Remove all inherited flex borders/padding */
  .hero-proof > div + div { border-left: none; padding-left: 0; }
  /* Right column gets a left divider */
  .hero-proof > div:nth-child(even) {
    border-left: 1px solid #dce7f7;
    padding-left: 20px;
  }
  /* Bottom row gets a top divider */
  .hero-proof > div:nth-child(3),
  .hero-proof > div:nth-child(4) {
    border-top: 1px solid #dce7f7;
    padding-top: 14px;
  }

  /* ── Section heading sizes: fluid ── */
  .section-heading h2,
  .features h2,
  .process h2 { font-size: clamp(30px, 5.5vw, 44px); }
  .ai-content h2 { font-size: clamp(32px, 5.5vw, 46px); }

  /* ── AI section: hide right visual on narrow tablet ── */
  .ai-visual { min-height: 220px; overflow: hidden; }

  /* ── Showcase: scale for tablet ── */
  .showcase { height: 380px; }
}

/* ═══════════════════════════════════════════════════════
   ≤ 768px — portrait tablet
═══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Reduce section vertical padding */
  .section,
  .work,
  .testimonials { padding: 80px 0; }
  .features { padding-bottom: 80px; }
  .process { padding-bottom: 80px; }

  /* Showcase: tighten */
  .showcase { height: 330px; }
  .laptop { width: 62%; left: 19%; top: 48px; }
  .screen { height: 210px; }
  .screen-copy { font-size: 26px; }
}

/* ═══════════════════════════════════════════════════════
   ≤ 540px — phone (extends existing breakpoint)
═══════════════════════════════════════════════════════ */
@media (max-width: 540px) {
  /* ── Hero ── */
  /* Existing styles.css sets 51px — bring to fluid clamp */
  .hero h1 { font-size: clamp(36px, 10vw, 50px); }

  /* Action buttons: center-align & wrap cleanly */
  .actions { justify-content: center; }
  .button { white-space: nowrap; }

  /* ── Section headings ── */
  .section-heading h2,
  .features h2,
  .process h2 { font-size: clamp(26px, 8vw, 36px); }
  .ai-content h2 { font-size: clamp(28px, 9vw, 40px); }
  .cta h2 { font-size: clamp(26px, 8vw, 34px); }

  /* ── Logo strip: clip overflow ── */
  .logo-strip { overflow: hidden; }

  /* ── CTA: stack content cleanly ── */
  /* styles.css already switches to display:block at 540px;
     extend with better button alignment */
  .cta .button { display: inline-flex; }

  /* ── Testimonials: no min-height (let content breathe) ── */
  .quotes article { min-height: auto; }

  /* ── Timeline: consistent gap ── */
  .timeline { gap: 20px; }

  /* ── Footer: soften column layout ── */
  .footer-bottom { gap: 8px; }
}

/* ═══════════════════════════════════════════════════════
   ≤ 390px — modern flagship phones (iPhone 14, Pixel 7)
═══════════════════════════════════════════════════════ */
@media (max-width: 390px) {
  /* Tighter shell padding (from 32px to 24px) */
  .shell { width: min(100% - 24px, 1160px); }

  /* ── Nav dropdown: full viewport width ── */
  #primary-nav {
    left: 0;
    right: 0;
    border-radius: 0 0 12px 12px;
  }

  /* ── Hero ── */
  .hero h1 { font-size: clamp(30px, 9.5vw, 40px); }
  .hero-proof { gap: 10px 0; }
  .hero-proof > div:nth-child(3),
  .hero-proof > div:nth-child(4) { padding-top: 10px; }
  .hero-proof strong { font-size: 15px; }

  /* ── Features: 1-column ── */
  .feature-grid { grid-template-columns: 1fr; }

  /* ── Process timeline: 1-column ── */
  .timeline {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .timeline::before { display: none; }

  /* ── Section headings ── */
  .section-heading h2,
  .features h2,
  .process h2 { font-size: clamp(24px, 8vw, 32px); }
  .ai-content h2 { font-size: clamp(26px, 8.5vw, 34px); }
  .cta h2 { font-size: clamp(24px, 8vw, 30px); }

  /* ── About page: story pillars 1-column ── */
  .story-pillars { grid-template-columns: 1fr; }

  /* ── Showcase: no horizontal overflow ── */
  .tablet { left: -2%; }
  .project-phone { right: -2%; }
}

/* ═══════════════════════════════════════════════════════
   ≤ 375px — iPhone SE, Galaxy A-series, standard phones
═══════════════════════════════════════════════════════ */
@media (max-width: 375px) {
  /* ── Hero ── */
  .hero h1 { font-size: 30px; }
  .lead { font-size: 13.5px; }
  .hero-desc { font-size: 12.5px; }

  /* ── Section headings ── */
  .section-heading h2,
  .features h2,
  .process h2 { font-size: 24px; }
  .ai-content h2 { font-size: 28px; }
  .cta h2 { font-size: 24px; }

  /* ── CTA: tighter padding ── */
  .cta { padding: 34px 22px; }

  /* ── AI section: tighter padding ── */
  .ai-section { padding: 38px 20px; }

  /* ── Services: 1-column (cards breathe properly) ── */
  .services-grid { grid-template-columns: 1fr; }

  /* ── Logo strip: trim to 3 items max ── */
  .logo-strip div:nth-of-type(n+4) { display: none; }

  /* ── Testimonials ── */
  .quotes blockquote { font-size: 13px; }
  .quotes article { padding: 20px 16px; }

  /* ── About hero: compact ── */
  .about-hero { padding: 60px 0 40px; }

  /* ── Why section on about page ── */
  .why-section { padding: 44px 18px; }
}

/* ═══════════════════════════════════════════════════════
   ≤ 320px — very small phones (iPhone SE 1st gen, etc.)
═══════════════════════════════════════════════════════ */
@media (max-width: 320px) {
  /* Tightest shell */
  .shell { width: min(100% - 20px, 1160px); }

  /* ── Hero ── */
  .hero h1 { font-size: 26px; }
  .hero-desc { font-size: 12px; }
  .hero-proof strong { font-size: 14px; }

  /* ── Eyebrow labels ── */
  .eyebrow { font-size: 9.5px; }

  /* ── Section headings ── */
  .section-heading h2,
  .features h2,
  .process h2 { font-size: 22px; }
  .ai-content h2 { font-size: 24px; }
  .cta h2 { font-size: 22px; }

  /* ── Logo strip: 2 items max ── */
  .logo-strip div:nth-of-type(n+3) { display: none; }
  .logo-strip { gap: 12px; }

  /* ── Testimonials ── */
  .quotes blockquote { font-size: 12px; }
  .quotes article { padding: 16px 12px; }

  /* ── Nav ── */
  .nav { height: 72px; }

  /* ── Footer bottom: stack ── */
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* ── Buttons: allow wrapping at smallest size ── */
  .button { padding: 12px 14px; font-size: 12px; gap: 10px; }
  .button b { font-size: 14px; }

  /* ── CTA ── */
  .cta { padding: 28px 18px; }

  /* ── About page ── */
  .about-hero { padding: 50px 0 32px; }
  .why-section { padding: 36px 14px; }
}