/* ═══════════════════════════════════════════════
   Oscar Printing Bangkok — styles.css v2
   Design: Bold Editorial / Modern Professional
   Fonts: DM Serif Display + DM Sans
   ═══════════════════════════════════════════════ */

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors */
  --ink: #111111;
  --ink-soft: #2d2d2d;
  --ink-muted: #666666;
  --ink-faint: #9a9a9a;
  --surface: #ffffff;
  --surface-2: #f7f6f3;
  --surface-3: #edeae5;
  --dark: #0e0e0e;
  --dark-2: #181818;
  --dark-3: #222222;
  --accent: #c07d25;
  --accent-hover: #a5671a;
  --accent-light: #fef5e7;
  --accent-muted: rgba(192, 125, 37, 0.12);
  --border: #e5e2dd;
  --border-soft: #eeebe6;

  /* Typography */
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;

  /* Spacing */
  --section-gap: 120px;
  --container: 1160px;
  --nav-h: 72px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-xs: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-md: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.16);
}

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

body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.65;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.08;
  font-kerning: auto;
  text-rendering: optimizeLegibility;
}
h4, h5, h6 { font-family: var(--sans); font-weight: 600; line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── CONTAINER ─── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.22s var(--ease);
  border: none;
  white-space: nowrap;
}
.btn svg { transition: transform 0.22s var(--ease); flex-shrink: 0; }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover {
  background: var(--dark-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--surface-2);
  transform: translateY(-1px);
}

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

/* ─── SECTION LABELS ─── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
  background: var(--accent-light);
  border: 1px solid rgba(192, 125, 37, 0.18);
  padding: 4px 12px 4px 10px;
  border-radius: 100px;
}
.section-label::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.75;
}

.section-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: -0.04em;
  line-height: 1.03;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--ink-muted);
  line-height: 1.8;
  max-width: 540px;
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-header .section-label {
  justify-content: center;
}
.section-header .section-label::before {
  display: block;
}
.section-header .section-desc { margin: 0 auto; }

.section { padding: var(--section-gap) 0; }


/* ═══════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════ */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav-header.scrolled {
  border-color: var(--border);
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,0.05);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px; height: 40px;
  background: var(--ink);
  color: #fff;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 1.25rem;
  flex-shrink: 0;
  letter-spacing: -0.03em;
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 2px;
  pointer-events: none;
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-primary {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: -0.03em;
}
.logo-secondary {
  font-size: 0.6rem;
  color: var(--ink-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-muted);
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a.active-nav { color: var(--ink); }
.nav-links .nav-cta {
  background: var(--ink);
  color: #fff;
  padding: 10px 22px;
  border-radius: 6px;
  font-size: 0.85rem;
  transition: all 0.22s var(--ease);
}
.nav-links .nav-cta:hover {
  background: var(--dark-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav-controls { display: flex; align-items: center; gap: 12px; }

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.2s;
  font-family: var(--sans);
}
.lang-toggle:hover { border-color: var(--ink); background: var(--surface-3); }
.lang-en, .lang-ja { color: var(--ink-faint); transition: color 0.2s; }
.lang-en.active, .lang-ja.active { color: var(--ink); }
.lang-divider { color: var(--border); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px; height: 40px;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  gap: 5px;
  transition: border-color 0.2s;
}
.hamburger:hover { border-color: var(--ink); }
.hamburger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.25s var(--ease);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 20px 40px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s var(--ease);
  z-index: 999;
  box-shadow: var(--shadow-md);
}
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 11px 0;
  border-bottom: 1px solid var(--border-soft);
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--ink); }
.mobile-cta {
  margin-top: 12px;
  background: var(--ink);
  color: #fff;
  padding: 14px 24px;
  border-radius: 6px;
  text-align: center;
  font-weight: 600;
  border-bottom: none;
}
.mobile-cta:hover { background: var(--dark-2); color: #fff; }


/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(192,125,37,0.16) 0%, transparent 70%);
  top: -150px; right: -80px;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(192,125,37,0.09) 0%, transparent 70%);
  bottom: -100px; left: -60px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 40px 100px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 7px 14px;
  font-size: 0.68rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.badge-icon {
  color: var(--accent);
  flex-shrink: 0;
  opacity: 0.9;
}

.hero-title {
  font-size: clamp(3.4rem, 9vw, 7.5rem);
  color: #ffffff;
  letter-spacing: -0.05em;
  line-height: 0.92;
  margin-bottom: 40px;
  max-width: 900px;
}
.title-line { display: block; }
.title-accent {
  color: var(--accent);
  font-style: italic;
}

.hero-sub {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: rgba(255,255,255,0.62);
  line-height: 1.82;
  max-width: 480px;
  margin-bottom: 48px;
  font-weight: 400;
  border-left: 1.5px solid rgba(255,255,255,0.1);
  padding-left: 20px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}
.hero-actions .btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 16px 32px;
  font-size: 0.95rem;
  border-radius: 6px;
}
.hero-actions .btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(192,125,37,0.35);
}
.hero-actions .btn-ghost {
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.18);
  border-radius: 6px;
}
.hero-actions .btn-ghost:hover {
  border-color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.07);
  transform: translateY(-1px);
}

.hero-trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  width: 100%;
  max-width: 580px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding-right: 28px;
}
.trust-icon {
  width: 14px; height: 14px;
  color: rgba(255,255,255,0.45);
  flex-shrink: 0;
}
.trust-divider {
  width: 1px; height: 20px;
  background: rgba(255,255,255,0.1);
  margin-right: 28px;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-label {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
}
.scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.28), transparent);
  animation: scrollAnim 2.4s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}


/* ═══════════════════════════════════════════════
   STATS BAR
   ═══════════════════════════════════════════════ */
.stats-bar {
  background: var(--surface);
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--border);
}
.stats-bar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: stretch;
}
.stat-bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 0;
  flex: 1;
  border-right: 1px solid var(--border);
  gap: 5px;
  position: relative;
}
.stat-bar-item:first-child { border-left: 1px solid var(--border); }
.stat-bar-num {
  font-family: var(--serif);
  font-size: 2.3rem;
  color: var(--ink);
  letter-spacing: -0.04em;
  line-height: 1;
  font-kerning: auto;
}
.stat-bar-num sup {
  font-size: 0.55em;
  color: var(--accent);
  vertical-align: super;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0;
}
.stat-bar-label {
  font-size: 0.72rem;
  color: var(--ink-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: center;
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════ */
.services { background: var(--surface); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--border);
  transition: background 0.3s var(--ease);
}
.service-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}
.service-card:hover::before { background: var(--accent); }

.service-card-feature {
  border-color: var(--accent);
  background: linear-gradient(140deg, #fff 0%, var(--accent-light) 100%);
}
.service-card-feature::before { background: var(--accent); }
.service-card-feature:hover {
  box-shadow: 0 20px 64px rgba(192,125,37,0.2);
}

.service-icon {
  width: 48px; height: 48px;
  color: var(--ink-soft);
  margin-bottom: 24px;
  flex-shrink: 0;
}
.service-card-feature .service-icon { color: var(--accent-hover); }

.service-content h3 {
  font-size: 1.45rem;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
  color: var(--ink);
}
.service-content p {
  font-size: 0.915rem;
  color: var(--ink-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.service-link {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  transition: color 0.2s, gap 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}
.service-link:hover { color: var(--accent); gap: 10px; }
.service-card-feature .service-link { color: var(--accent-hover); }

.service-tag {
  position: absolute;
  top: 22px; right: 22px;
  background: var(--ink);
  color: #fff;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 4px;
}
.service-tag-alt {
  background: var(--accent);
}

/* Mid CTA */
.mid-cta {
  margin-top: 48px;
  background: var(--dark);
  border-radius: 12px;
  padding: 52px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.mid-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.mid-cta-content {
  position: relative;
  z-index: 1;
}
.mid-cta-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 480px;
  line-height: 1.7;
}
.mid-cta-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.mid-cta .btn-primary {
  background: var(--accent);
  color: #fff;
}
.mid-cta .btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 12px 40px rgba(192,125,37,0.35);
}
.mid-cta-trust {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* Secondary Services */
.secondary-header {
  margin: 64px 0 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.secondary-header h3 {
  font-size: 0.78rem;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
}
.secondary-header::before,
.secondary-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.secondary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.secondary-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  transition: all 0.25s var(--ease);
}
.secondary-card:hover {
  background: var(--surface);
  border-color: var(--ink);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.secondary-icon { font-size: 1.75rem; margin-bottom: 14px; }
.secondary-card h4 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--ink);
}
.secondary-card p {
  font-size: 0.855rem;
  color: var(--ink-muted);
  line-height: 1.7;
}


/* ═══════════════════════════════════════════════
   WHY US — Dark Section
   ═══════════════════════════════════════════════ */
.why {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.why::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.why-left .section-label {
  color: var(--accent);
  background: rgba(192, 125, 37, 0.12);
  border-color: rgba(192, 125, 37, 0.25);
}
.why-left .section-title { color: #fff; }
.why-left .section-desc {
  color: rgba(255,255,255,0.45);
  max-width: 400px;
}

.why-stat-row {
  display: flex;
  gap: 56px;
  margin-top: 52px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.why-stat { display: flex; flex-direction: column; gap: 8px; }
.stat-num {
  font-family: var(--serif);
  font-size: 3.8rem;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-plus { color: var(--accent); font-size: 2rem; }
.stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  font-weight: 500;
  letter-spacing: 0.04em;
  max-width: 110px;
  line-height: 1.5;
}

.why-right { display: flex; flex-direction: column; }
.why-feature {
  display: flex;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: padding-left 0.25s var(--ease);
}
.why-feature:first-child { border-top: 1px solid rgba(255,255,255,0.06); }
.why-feature:hover { padding-left: 10px; }
.feature-num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--accent);
  min-width: 36px;
  font-style: italic;
  padding-top: 3px;
  flex-shrink: 0;
}
.feature-body h4 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 8px;
  font-weight: 600;
}
.feature-body p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.75;
}


/* ═══════════════════════════════════════════════
   HOW IT WORKS
   ═══════════════════════════════════════════════ */
.how { background: var(--surface-2); }

.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}

.step {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
  transition: all 0.3s var(--ease);
}
.step:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.step-num {
  font-family: var(--serif);
  font-size: 4.5rem;
  color: var(--surface-3);
  line-height: 0.9;
  margin-bottom: 20px;
  letter-spacing: -0.05em;
  display: block;
}
.step-body h4 {
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 10px;
  font-weight: 600;
}
.step-body p {
  font-size: 0.875rem;
  color: var(--ink-muted);
  line-height: 1.75;
}

.step-connector {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0 8px;
  padding-top: 56px;
  flex-shrink: 0;
}
.step-connector::after {
  content: '→';
  font-size: 1.3rem;
  color: var(--accent);
  opacity: 0.4;
  font-weight: 300;
}


/* ═══════════════════════════════════════════════
   QUOTE FORM
   ═══════════════════════════════════════════════ */
.quote { background: var(--surface); }

.quote-inner {
  display: grid;
  grid-template-columns: 1fr 1.45fr;
  gap: 80px;
  align-items: start;
}
.quote-left .section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}
.quote-reassurance {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.reassure-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.reassure-item svg { color: var(--accent); flex-shrink: 0; }

/* Form Card */
.quote-form {
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 48px;
}
.form-row { display: flex; gap: 16px; }
.form-row-2 > * { flex: 1; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 20px;
}
.form-group label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  width: 100%;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(17,17,17,0.06);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--ink-faint);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.file-upload {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--surface);
}
.file-upload:hover { border-color: var(--ink); background: var(--surface-2); }
.file-upload svg { color: var(--ink-muted); }
.file-upload span { font-size: 0.88rem; color: var(--ink-soft); }
.file-note { font-size: 0.78rem !important; color: var(--ink-faint) !important; }
.file-upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0 20px;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.form-divider span {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
}

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 16px;
  line-height: 1.6;
}

.form-success {
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 80px 48px;
  text-align: center;
}
.success-icon {
  width: 64px; height: 64px;
  background: var(--ink);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 24px;
}
.form-success h3 { font-size: 2rem; margin-bottom: 12px; }
.form-success p { color: var(--ink-muted); }


/* ═══════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════ */
.contact { background: var(--surface-2); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 48px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  flex-shrink: 0;
}
.contact-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.contact-value {
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-weight: 500;
  transition: color 0.2s;
}
a.contact-value:hover { color: var(--accent); }

.contact-cta-card {
  background: var(--dark);
  border-radius: 16px;
  padding: 48px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  overflow: hidden;
}
.contact-cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.contact-cta-card h3 {
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 1;
}
.contact-cta-card p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}
.contact-cta-card .btn-primary {
  background: var(--accent);
  color: #fff;
  width: 100%;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.contact-cta-card .btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 12px 40px rgba(192,125,37,0.35);
}
.contact-cta-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  position: relative;
  z-index: 1;
}


/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding: 80px 0 60px;
  position: relative;
  z-index: 1;
}

.footer-brand .nav-logo { margin-bottom: 20px; }
.footer-brand .logo-mark { background: rgba(255,255,255,0.1); color: #fff; }
.footer-brand .logo-primary { color: #fff; }
.footer-brand .logo-secondary { color: rgba(255,255,255,0.35); }
.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.3);
  line-height: 1.85;
}

.footer-nav { display: flex; flex-direction: column; gap: 14px; }
.footer-nav h5 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 4px;
}
.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.3);
  transition: color 0.2s;
  line-height: 1;
}
.footer-nav a:hover { color: rgba(255,255,255,0.8); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.22);
}


/* ═══════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.45s; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }


/* ─── REGISTRATION MARKS (printing industry detail) ─── */
.hero-marks {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.hero-mark {
  position: absolute;
  color: rgba(255,255,255,0.1);
}
.hero-mark-tr {
  top: calc(var(--nav-h) + 28px);
  right: 44px;
}
.hero-mark-bl {
  bottom: 100px;
  left: 44px;
}
.hero-mark-br {
  bottom: 44px;
  right: 44px;
  opacity: 0.55;
}

/* ─── NAV ACTIVE LINK ─── */
.nav-links a.active-nav {
  color: var(--ink);
  position: relative;
}
.nav-links a.active-nav::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 1.5px;
  background: var(--accent);
  border-radius: 1px;
}

/* ═══════════════════════════════════════════════
   SMART QUOTE FORM
   ═══════════════════════════════════════════════ */

/* ─── Quote left step guide ─── */
.quote-step-guide {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 28px 0 32px;
}
.qsg-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.qsg-num {
  width: 24px;
  height: 24px;
  background: var(--surface-3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
  flex-shrink: 0;
}

/* ─── Smart form container ─── */
.smart-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

/* ─── Progress bar ─── */
.sf-progress {
  padding: 20px 28px 0;
  background: var(--surface);
}
.sf-prog-track {
  height: 3px;
  background: var(--surface-3);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 12px;
}
.sf-prog-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.4s var(--ease);
  width: 0%;
}
.sf-prog-steps {
  display: flex;
  gap: 0;
  justify-content: space-between;
  padding-bottom: 4px;
}
.sf-prog-step {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface-3);
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s var(--ease);
}
.sf-prog-step.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(192,125,37,0.18);
}
.sf-prog-step.done {
  background: var(--ink);
  color: #fff;
}

/* ─── Panes ─── */
.sf-pane {
  padding: 24px 28px 28px;
  animation: sfFadeIn 0.28s var(--ease-out) both;
}
.sf-pane-hidden { display: none !important; }
@keyframes sfFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sf-pane-header {
  margin-bottom: 20px;
}
.sf-pane-header h3 {
  font-family: var(--serif);
  font-size: 1.45rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.sf-pane-header p {
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.sf-pane-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  gap: 12px;
}
.sf-back-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--ink-muted);
  font-family: var(--sans);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.sf-back-btn:hover { border-color: var(--ink-soft); color: var(--ink); }
.sf-next-btn {
  background: var(--ink);
  border: none;
  color: #fff;
  font-family: var(--sans);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  margin-left: auto;
}
.sf-next-btn:hover { background: var(--dark-2); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* ─── Category grid ─── */
.sf-category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.sf-cat-tile {
  background: var(--surface-2);
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 20px 16px;
  text-align: left;
  cursor: pointer;
  transition: all 0.22s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sf-cat-tile:hover { background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.sf-cat-tile.active { border-color: var(--accent); background: var(--accent-light); }
.sf-cat-icon svg { width: 40px; height: 40px; color: var(--accent); }
.sf-cat-label { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); display: block; }
.sf-cat-desc   { font-size: 0.78rem; color: var(--ink-muted); line-height: 1.4; display: block; }

/* ─── Product grid ─── */
.sf-product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.sf-prod-tile {
  background: var(--surface-2);
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 16px 14px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sf-prod-tile:hover { background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-xs); transform: translateY(-1px); }
.sf-prod-tile.active { border-color: var(--accent); background: var(--accent-light); }
.sf-prod-icon svg { width: 32px; height: 32px; color: var(--accent); }
.sf-prod-label { font-size: 0.9rem; font-weight: 600; color: var(--ink); display: block; }
.sf-prod-desc  { font-size: 0.75rem; color: var(--ink-muted); line-height: 1.4; display: block; }

/* ─── Option blocks ─── */
.sf-opt-block { margin-bottom: 24px; }
.sf-opt-block:last-child { margin-bottom: 0; }
.sf-opt-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 10px;
}
.sf-opt-optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-faint);
  font-size: 0.72rem;
}

/* ─── Size visual picker ─── */
.sf-size-picker {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.sf-size-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: none;
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 14px 12px 12px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  min-width: 72px;
}
.sf-size-card:hover { border-color: var(--ink-soft); background: var(--surface-2); }
.sf-size-card.active { border-color: var(--accent); background: var(--accent-light); }
.sf-size-vis {
  display: block;
  background: var(--ink);
  border-radius: 2px;
  opacity: 0.18;
  transition: opacity 0.2s;
  min-width: 20px;
  min-height: 28px;
}
.sf-size-card.active .sf-size-vis { opacity: 0.55; background: var(--accent); }
.sf-size-card:hover .sf-size-vis  { opacity: 0.28; }
.sf-size-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
}
.sf-size-dim {
  font-size: 0.68rem;
  color: var(--ink-muted);
  text-align: center;
  line-height: 1.3;
}
.sf-size-hint {
  font-size: 0.65rem;
  color: var(--ink-faint);
  text-align: center;
  line-height: 1.3;
}

/* ─── Toggle buttons ─── */
.sf-toggle-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.sf-toggle-btn {
  flex: 1;
  min-width: 120px;
  border: 2px solid var(--border);
  background: var(--surface-2);
  border-radius: 8px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.sf-toggle-btn:hover { border-color: var(--ink-soft); background: var(--surface); }
.sf-toggle-btn.active { border-color: var(--accent); background: var(--accent-light); }
.sf-toggle-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  display: block;
}
.sf-toggle-detail {
  font-size: 0.74rem;
  color: var(--ink-muted);
  display: block;
}

/* ─── Card picker ─── */
.sf-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}
.sf-opt-card {
  border: 2px solid var(--border);
  background: var(--surface-2);
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.sf-opt-card:hover { border-color: var(--ink-soft); background: var(--surface); }
.sf-opt-card.active { border-color: var(--accent); background: var(--accent-light); }
.sf-card-name {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink);
  display: block;
}
.sf-card-detail {
  font-size: 0.73rem;
  color: var(--ink-muted);
  display: block;
  line-height: 1.35;
}
.sf-card-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  margin-left: 6px;
  vertical-align: middle;
}

/* ─── Box style tiles ─── */
.sf-box-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}
.sf-box-tile {
  border: 2px solid var(--border);
  background: var(--surface-2);
  border-radius: 8px;
  padding: 14px 12px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.sf-box-tile:hover { border-color: var(--ink-soft); background: var(--surface); transform: translateY(-1px); box-shadow: var(--shadow-xs); }
.sf-box-tile.active { border-color: var(--accent); background: var(--accent-light); }
.sf-box-icon svg { width: 48px; height: 48px; color: var(--ink-soft); }
.sf-box-tile.active .sf-box-icon svg { color: var(--accent); }
.sf-box-name { font-size: 0.82rem; font-weight: 600; color: var(--ink); }
.sf-box-detail { font-size: 0.7rem; color: var(--ink-muted); line-height: 1.35; }

/* ─── Quantity pills ─── */
.sf-qty-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.sf-qty-pill {
  padding: 9px 18px;
  border: 2px solid var(--border);
  background: var(--surface-2);
  border-radius: 40px;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.18s var(--ease);
}
.sf-qty-pill:hover { border-color: var(--ink-soft); background: var(--surface); }
.sf-qty-pill.active { border-color: var(--accent); background: var(--accent); color: #fff; }

/* ─── Estimated price bar ─── */
.sf-price-bar {
  border-top: 1px solid var(--border);
  padding: 16px 28px;
  background: var(--dark);
  transition: all 0.3s var(--ease);
}
.sf-price-bar.sf-price-bar-hidden { display: none; }
.sf-price-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.sf-price-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  flex-shrink: 0;
}
.sf-price-value {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: #fff;
  letter-spacing: -0.02em;
  flex: 1;
}
.sf-price-note {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.28);
  text-align: right;
  line-height: 1.35;
  max-width: 130px;
}

/* ─── Spec summary (step 5) ─── */
.sf-summary {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}
.sf-sum-header {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.sf-sum-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 4px 0;
  color: var(--ink-muted);
}
.sf-sum-key { color: var(--ink-faint); }
.sf-sum-val { font-weight: 500; color: var(--ink-soft); text-align: right; }
.sf-sum-price {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--ink-muted);
}
.sf-sum-price strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--accent);
}

/* ─── File upload (step 5) ─── */
.file-upload {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  background: var(--surface-2);
}
.file-upload:hover, .file-upload.drag-over {
  border-color: var(--accent);
  background: var(--accent-light);
}
.file-upload.has-file {
  border-style: solid;
  border-color: var(--ink);
  background: var(--surface);
}
.file-upload svg { color: var(--ink-faint); }
.file-upload span:not(.file-note) { font-size: 0.84rem; color: var(--ink-muted); }
.file-upload .file-note { font-size: 0.72rem; color: var(--ink-faint); }

/* ─── Success ─── */
.sf-success {
  padding: 48px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  animation: sfFadeIn 0.4s var(--ease-out) both;
}
.sf-success-icon { color: #4caf6e; }
.sf-success h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--ink);
}
.sf-success p {
  font-size: 0.88rem;
  color: var(--ink-muted);
  max-width: 320px;
  line-height: 1.65;
}

/* ─── Contact form in step 5 ─── */
.field-err {
  border-color: #d03a2f !important;
  background: #fff8f7 !important;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --section-gap: 90px; }
  .why-inner { gap: 52px; }
  .quote-inner { gap: 52px; }
  .contact-inner { gap: 52px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .step-connector { display: none; }
  .mid-cta { padding: 40px 44px; }
}

@media (max-width: 768px) {
  :root { --section-gap: 72px; }
  .container { padding: 0 24px; }
  .nav-inner { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { padding: 20px 24px 28px; }

  .hero-inner { padding: 60px 24px 80px; }
  .hero-trust { gap: 0; }
  .trust-divider { margin-right: 20px; }
  .trust-item { padding-right: 20px; font-size: 0.78rem; }

  .stats-bar-inner { flex-wrap: wrap; }
  .stat-bar-item {
    flex: 1 1 calc(50% - 1px);
    padding: 22px 16px;
  }

  .services-grid { grid-template-columns: 1fr; }
  .secondary-grid { grid-template-columns: 1fr; }
  .mid-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 28px;
  }

  .why-inner { grid-template-columns: 1fr; gap: 48px; }
  .why-stat-row { gap: 36px; }

  .steps { grid-template-columns: 1fr; gap: 12px; }

  .quote-inner { grid-template-columns: 1fr; gap: 40px; }
  .form-row-2 { flex-direction: column; }

  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-cta-card { position: static; padding: 36px 28px; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 56px 0 40px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 768px) {
  .sf-category-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-product-grid  { grid-template-columns: repeat(2, 1fr); }
  .sf-pane { padding: 20px 20px 24px; }
  .sf-progress { padding: 16px 20px 0; }
  .sf-price-bar { padding: 14px 20px; }
  .sf-price-inner { flex-wrap: wrap; gap: 8px; }
  .sf-price-note { max-width: 100%; text-align: left; }
  .sf-size-picker { gap: 8px; }
  .sf-size-card { min-width: 60px; padding: 10px 8px 10px; }
  .sf-cards-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .sf-box-grid { grid-template-columns: repeat(3, 1fr); }
  .quote-step-guide { display: none; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-trust { flex-direction: column; gap: 12px; }
  .trust-divider { display: none; }
  .trust-item { padding: 0; }
  .stat-bar-item { flex: 1 1 100%; border-right: none !important; border-left: none !important; border-bottom: 1px solid var(--border); }
  .stat-bar-item:last-child { border-bottom: none; }

  .sf-category-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .sf-product-grid  { grid-template-columns: 1fr 1fr; gap: 8px; }
  .sf-box-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-toggle-btn { min-width: 100%; }
  .sf-size-picker { gap: 6px; }
}