/* ============================================================
   THIRD AXIS PRINT — Brand Design System v2
   Deep Space Navy + Axis Cyan
   ============================================================ */

:root, [data-theme="light"] {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* Spacing */
  --space-1:  0.25rem;  --space-2:  0.5rem;  --space-3:  0.75rem;
  --space-4:  1rem;     --space-5:  1.25rem; --space-6:  1.5rem;
  --space-8:  2rem;     --space-10: 2.5rem;  --space-12: 3rem;
  --space-16: 4rem;     --space-20: 5rem;    --space-24: 6rem;
  --space-32: 8rem;

  /* BRAND PALETTE — Light Mode */
  --color-bg:               #EFF3FB;
  --color-surface:          #F5F8FF;
  --color-surface-2:        #FFFFFF;
  --color-surface-offset:   #E8EDF8;
  --color-surface-offset-2: #DDE4F5;
  --color-surface-dynamic:  #D4DCF0;
  --color-divider:          #C8D2E8;
  --color-border:           #BDC8E0;

  --color-text:         #070D1F;
  --color-text-muted:   #3D4F78;
  --color-text-faint:   #8899BB;
  --color-text-inverse: #F0F4FF;

  /* Axis Cyan — Primary Accent */
  --color-primary:           #007A8A;
  --color-primary-hover:     #005F6D;
  --color-primary-active:    #004552;
  --color-primary-highlight: #C8EEF3;

  /* Brand vivid cyan — for glows, badges, icons on light */
  --color-accent:       #00A3BB;
  --color-accent-faint: #E0F6FA;
  --color-accent-vivid: #00C8E0;

  --color-success:   #15803d;
  --color-warning:   #b45309;
  --color-error:     #b91c1c;

  --radius-sm:   0.375rem; --radius-md: 0.5rem;
  --radius-lg:   0.75rem;  --radius-xl: 1rem;
  --radius-2xl:  1.5rem;   --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(7,13,31,0.06);
  --shadow-md: 0 4px 12px rgba(7,13,31,0.09);
  --shadow-lg: 0 12px 32px rgba(7,13,31,0.13);
  --shadow-xl: 0 24px 64px rgba(7,13,31,0.18);

  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;
  --font-mono:    'DM Mono', monospace;
}

[data-theme="dark"] {
  --color-bg:               #070D1F;
  --color-surface:          #0D1630;
  --color-surface-2:        #111B38;
  --color-surface-offset:   #0F1A34;
  --color-surface-offset-2: #131F3C;
  --color-surface-dynamic:  #1A2848;
  --color-divider:          #1E2D52;
  --color-border:           #243258;

  --color-text:         #F0F4FF;
  --color-text-muted:   #7A8BAA;
  --color-text-faint:   #3D4F78;
  --color-text-inverse: #070D1F;

  --color-primary:           #00C8E0;
  --color-primary-hover:     #00A3BB;
  --color-primary-active:    #007A8A;
  --color-primary-highlight: #0A2030;

  --color-accent:       #00C8E0;
  --color-accent-faint: #071828;
  --color-accent-vivid: #00E0FF;

  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-error:   #f87171;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.35);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.65);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.75);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:               #070D1F;
    --color-surface:          #0D1630;
    --color-surface-2:        #111B38;
    --color-surface-offset:   #0F1A34;
    --color-surface-offset-2: #131F3C;
    --color-surface-dynamic:  #1A2848;
    --color-divider:          #1E2D52;
    --color-border:           #243258;
    --color-text:         #F0F4FF;
    --color-text-muted:   #7A8BAA;
    --color-text-faint:   #3D4F78;
    --color-text-inverse: #070D1F;
    --color-primary:           #00C8E0;
    --color-primary-hover:     #00A3BB;
    --color-primary-active:    #007A8A;
    --color-primary-highlight: #0A2030;
    --color-accent:       #00C8E0;
    --color-accent-faint: #071828;
    --color-accent-vivid: #00E0FF;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.35);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.65);
  }
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container       { max-width: var(--content-wide);   margin-inline: auto; padding-inline: var(--space-6); }
.container--narrow  { max-width: var(--content-narrow);  margin-inline: auto; padding-inline: var(--space-6); }
.container--default { max-width: var(--content-default); margin-inline: auto; padding-inline: var(--space-6); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.9);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-slow);
}
.site-header--scrolled { box-shadow: var(--shadow-md); }

.nav {
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}

.nav__logo {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; color: var(--color-text);
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: 800; letter-spacing: -0.03em;
}
.nav__logo-icon { color: var(--color-primary); flex-shrink: 0; }

.nav__links { display: flex; align-items: center; gap: var(--space-8); list-style: none; }
.nav__links a {
  text-decoration: none; font-size: var(--text-sm); font-weight: 500;
  color: var(--color-text-muted); letter-spacing: 0.01em;
}
.nav__links a:hover { color: var(--color-text); }

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

.nav__cta {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary); color: var(--color-text-inverse) !important;
  border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 600;
  text-decoration: none;
  transition: background var(--transition-interactive), transform 100ms ease;
}
.nav__cta:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.nav__cta:active { transform: translateY(0); }

.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-full);
  color: var(--color-text-muted); background: transparent;
  border: 1px solid var(--color-border); cursor: pointer;
}
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

.nav__hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 36px; height: 36px; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); cursor: pointer;
}
.nav__hamburger span { display: block; width: 18px; height: 2px; background: var(--color-text); border-radius: 2px; }

.nav__mobile {
  display: none; flex-direction: column; gap: var(--space-4);
  padding: var(--space-6); border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  text-decoration: none; font-size: var(--text-base); font-weight: 500;
  color: var(--color-text-muted); padding: var(--space-2) 0;
}
.nav__mobile a:hover { color: var(--color-text); }

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__cta.desktop-only { display: none; }
  .nav__hamburger { display: flex; }
}

/* ============================================================
   HERO — Full dark immersive with background image
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  min-height: 92vh;
  display: flex; align-items: center;
  background: var(--color-bg);
}

.hero__bg-img {
  position: absolute; inset: 0;
  background-image: url('./assets/hero-print.png');
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 0.6s ease;
}

/* Show image only in dark mode */
[data-theme="dark"] .hero__bg-img,
:root:not([data-theme]) .hero__bg-img {
  opacity: 1;
}

.hero__bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    oklch(from var(--color-bg) l c h / 0.96) 0%,
    oklch(from var(--color-bg) l c h / 0.8) 50%,
    oklch(from var(--color-bg) l c h / 0.92) 100%
  );
}

.hero__bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, oklch(from var(--color-primary) l c h / 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(from var(--color-primary) l c h / 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 20%, transparent 100%);
}

.hero__glow {
  position: absolute;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, oklch(from var(--color-primary) l c h / 0.12) 0%, transparent 70%);
  top: -200px; right: -200px; pointer-events: none;
}

.hero__content {
  position: relative; z-index: 2;
  width: 100%; padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.hero__inner {
  max-width: 780px;
}

.hero__badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: var(--color-accent-faint);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.35);
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-family: var(--font-mono); font-weight: 500;
  color: var(--color-primary); margin-bottom: var(--space-8);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.hero__badge-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.05;
  color: var(--color-text); margin-bottom: var(--space-6);
}
.hero__title em { font-style: normal; color: var(--color-primary); }

.hero__subtitle {
  font-size: var(--text-lg); color: var(--color-text-muted);
  line-height: 1.7; max-width: 560px; margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex; gap: var(--space-4); flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

.btn-primary {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--color-primary); color: var(--color-text-inverse);
  border-radius: var(--radius-full); font-size: var(--text-base); font-weight: 600;
  text-decoration: none; border: none; cursor: pointer;
  transition: background var(--transition-interactive), transform 100ms ease, box-shadow var(--transition-interactive);
}
.btn-primary:hover {
  background: var(--color-primary-hover); transform: translateY(-2px);
  box-shadow: 0 8px 24px oklch(from var(--color-primary) l c h / 0.4);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: transparent; color: var(--color-text);
  border-radius: var(--radius-full); font-size: var(--text-base); font-weight: 500;
  text-decoration: none; border: 1px solid var(--color-border); cursor: pointer;
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
}
.btn-secondary:hover { background: var(--color-surface-offset); border-color: var(--color-text-muted); }

/* Stats strip */
.hero__stats {
  display: flex; gap: var(--space-12); flex-wrap: wrap;
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}
.hero__stat {}
.hero__stat-value {
  font-family: var(--font-display); font-size: var(--text-xl);
  font-weight: 800; color: var(--color-text); letter-spacing: -0.04em;
}
.hero__stat-label {
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--color-text-muted); text-transform: uppercase;
  letter-spacing: 0.08em; margin-top: var(--space-1);
}

/* ============================================================
   SECTION SCAFFOLDING
   ============================================================ */
.section-label {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  color: var(--color-primary); text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: var(--space-4);
}
.section-label::before {
  content: ''; display: block; width: 20px; height: 2px;
  background: var(--color-primary); border-radius: 2px;
}

.section-title {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.1;
  color: var(--color-text); margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-base); color: var(--color-text-muted);
  line-height: 1.7; max-width: 55ch;
}

/* ============================================================
   PRINTERS
   ============================================================ */
.printers {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.printers__header { margin-bottom: var(--space-12); }

.printers__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: var(--space-6);
}

.printer-card {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8);
  position: relative; overflow: hidden;
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.printer-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

.printer-card__accent {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.printer-card__type {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-faint); color: var(--color-primary);
  border-radius: var(--radius-full); font-size: var(--text-xs);
  font-family: var(--font-mono); font-weight: 500;
  letter-spacing: 0.06em; margin-bottom: var(--space-4); text-transform: uppercase;
}

.printer-card__name {
  font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700;
  letter-spacing: -0.03em; color: var(--color-text); margin-bottom: var(--space-2);
}
.printer-card__desc {
  font-size: var(--text-sm); color: var(--color-text-muted);
  line-height: 1.65; margin-bottom: var(--space-6);
}

.printer-card__specs { display: flex; flex-direction: column; gap: var(--space-2); }
.printer-spec {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-2) 0; border-top: 1px solid var(--color-border); font-size: var(--text-xs);
}
.printer-spec__key { color: var(--color-text-muted); font-weight: 500; }
.printer-spec__val { font-family: var(--font-mono); color: var(--color-text); font-weight: 500; }

/* ============================================================
   CAPABILITIES
   ============================================================ */
.capabilities {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}
.capabilities__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-6); margin-top: var(--space-12);
}
@media (max-width: 768px) { .capabilities__grid { grid-template-columns: 1fr; } }

.cap-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-4);
  transition: box-shadow var(--transition-slow);
}
.cap-card:hover { box-shadow: var(--shadow-md); }

.cap-card__icon {
  width: 48px; height: 48px; border-radius: var(--radius-lg);
  background: var(--color-accent-faint);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); flex-shrink: 0;
}
.cap-card__title {
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: 700; color: var(--color-text); letter-spacing: -0.02em;
}
.cap-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }

.cap-card__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: auto; padding-top: var(--space-2); }
.tag {
  display: inline-flex; align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-offset); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); font-size: var(--text-xs);
  color: var(--color-text-muted); font-weight: 500;
}

/* ============================================================
   RESIN SHOWCASE — image callout
   ============================================================ */
.resin-callout {
  position: relative; overflow: hidden;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.resin-callout__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 520px;
}
@media (max-width: 768px) {
  .resin-callout__inner { grid-template-columns: 1fr; }
}
.resin-callout__img {
  background-image: url('./assets/resin-print.png');
  background-size: cover; background-position: center top;
  min-height: 360px;
}
.resin-callout__content {
  padding: clamp(var(--space-10), 6vw, var(--space-20));
  background: var(--color-surface);
  display: flex; flex-direction: column; justify-content: center; gap: var(--space-6);
}
.resin-callout__spec-list {
  display: flex; flex-direction: column; gap: var(--space-3);
  list-style: none; padding: 0;
}
.resin-callout__spec {
  display: flex; align-items: center; gap: var(--space-3);
  font-size: var(--text-sm); color: var(--color-text-muted);
}
.resin-callout__spec::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-primary); flex-shrink: 0;
}
.resin-callout__spec strong { color: var(--color-text); font-weight: 600; }

/* ============================================================
   QUOTE SECTION
   ============================================================ */
.quote-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.quote-section__header { max-width: var(--content-narrow); margin-bottom: var(--space-12); }

.quote-form {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl); padding: var(--space-10);
  max-width: 860px; box-shadow: var(--shadow-md);
}
@media (max-width: 640px) { .quote-form { padding: var(--space-6); border-radius: var(--radius-xl); } }

/* Step Indicators */
.form-steps {
  display: flex; align-items: center; gap: var(--space-2);
  margin-bottom: var(--space-8); overflow-x: auto; padding-bottom: var(--space-2);
}
.form-step { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.form-step__num {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-xs); font-weight: 700; font-family: var(--font-mono);
  background: var(--color-surface-offset); color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.form-step__num.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.form-step__num.done { background: var(--color-success); color: white; border-color: var(--color-success); }
.form-step__label { font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 500; white-space: nowrap; }
.form-step__label.active { color: var(--color-text); }
.form-step__divider { flex: 1; min-width: 20px; height: 1px; background: var(--color-border); }

/* Form Panels */
.form-panel { display: none; }
.form-panel.active { display: block; }
.form-panel__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-2); letter-spacing: -0.02em; }
.form-panel__desc { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-8); }

/* File Upload Zone */
.upload-zone {
  border: 2px dashed var(--color-border); border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8); text-align: center; cursor: pointer;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
  background: var(--color-surface-offset); position: relative;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--color-primary); background: var(--color-accent-faint);
}
.upload-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; cursor: pointer;
}
.upload-zone__icon { color: var(--color-primary); margin-inline: auto; margin-bottom: var(--space-4); }
.upload-zone__title { font-size: var(--text-base); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); }
.upload-zone__hint { font-size: var(--text-sm); color: var(--color-text-muted); }
.upload-zone__formats { display: flex; gap: var(--space-2); justify-content: center; flex-wrap: wrap; margin-top: var(--space-4); }
.upload-zone__file-selected {
  display: none; align-items: center; gap: var(--space-3); margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2); border: 1px solid var(--color-success);
  border-radius: var(--radius-lg); font-size: var(--text-sm); color: var(--color-success);
}

/* Print Type Cards */
.print-types {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr));
  gap: var(--space-4); margin-bottom: var(--space-8);
}
.print-type-card {
  border: 2px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-5); cursor: pointer;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
  background: var(--color-surface-offset);
}
.print-type-card:hover { border-color: var(--color-primary); }
.print-type-card.selected { border-color: var(--color-primary); background: var(--color-accent-faint); }
.print-type-card input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.print-type-card__icon { color: var(--color-primary); margin-bottom: var(--space-3); }
.print-type-card__name { font-size: var(--text-sm); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-1); }
.print-type-card__desc { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.6; }

/* Material Options */
.material-section { display: none; margin-bottom: var(--space-8); }
.material-section.visible { display: block; }
.material-section__title { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-4); }

.material-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(160px, 100%), 1fr));
  gap: var(--space-3);
}
.material-option {
  border: 2px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-4); cursor: pointer; background: var(--color-surface-offset);
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.material-option:hover { border-color: var(--color-primary); }
.material-option.selected { border-color: var(--color-primary); background: var(--color-accent-faint); }
.material-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.material-option__name { font-size: var(--text-sm); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-1); }
.material-option__desc { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; }

/* Color Picker */
.color-picker-section { margin-bottom: var(--space-8); }
.color-picker-section__title { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-4); }
.color-swatches { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-4); }
.color-swatch {
  width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
  border: 3px solid transparent;
  transition: transform 100ms ease, box-shadow 100ms ease;
}
.color-swatch:hover { transform: scale(1.15); box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-primary); }
.color-swatch.selected { box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-primary); }
.color-custom { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); }
.color-custom input[type="color"] { width: 36px; height: 36px; border-radius: 50%; border: none; padding: 0; cursor: pointer; background: none; }

/* Form Fields */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-group:last-child { margin-bottom: 0; }
.form-label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); display: flex; align-items: center; gap: var(--space-2); }
.form-label .required { color: var(--color-error); font-size: var(--text-xs); }

.form-input, .form-textarea, .form-select {
  width: 100%; padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-faint); }
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237A8BAA' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}
.form-hint { font-size: var(--text-xs); color: var(--color-text-muted); }

.form-checkbox-group { display: flex; align-items: flex-start; gap: var(--space-3); margin-top: var(--space-4); }
.form-checkbox-group input[type="checkbox"] { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--color-primary); flex-shrink: 0; cursor: pointer; }
.form-checkbox-group label { font-size: var(--text-sm); color: var(--color-text-muted); cursor: pointer; }

/* Form Nav */
.form-nav {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-4); margin-top: var(--space-8); padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.form-nav--right { margin-left: auto; }

.btn-form-next, .btn-form-submit {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6); background: var(--color-primary);
  color: white; border-radius: var(--radius-full); font-size: var(--text-sm);
  font-weight: 600; border: none; cursor: pointer;
  transition: background var(--transition-interactive), transform 100ms ease, box-shadow var(--transition-interactive);
}
.btn-form-next:hover, .btn-form-submit:hover {
  background: var(--color-primary-hover); transform: translateY(-1px);
  box-shadow: 0 4px 16px oklch(from var(--color-primary) l c h / 0.4);
}

.btn-form-back {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-5); background: transparent;
  color: var(--color-text-muted); border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 500; border: 1px solid var(--color-border);
  cursor: pointer; transition: all var(--transition-interactive);
}
.btn-form-back:hover { background: var(--color-surface-offset); color: var(--color-text); }

/* Success State */
.form-success { display: none; text-align: center; padding: var(--space-12) var(--space-8); }
.form-success__icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: oklch(from var(--color-success) l c h / 0.1);
  display: flex; align-items: center; justify-content: center;
  margin-inline: auto; margin-bottom: var(--space-6); color: var(--color-success);
}
.form-success__title { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-3); }
.form-success__desc { font-size: var(--text-base); color: var(--color-text-muted); max-width: 45ch; margin-inline: auto; }

/* ============================================================
   PROCESS
   ============================================================ */
.process { padding-block: clamp(var(--space-12), 6vw, var(--space-24)); }
.process__steps {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: var(--space-6); margin-top: var(--space-12);
}
.process-step { display: flex; flex-direction: column; gap: var(--space-4); }
.process-step__number { font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 700; color: var(--color-primary); letter-spacing: 0.1em; text-transform: uppercase; }
.process-step__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-text); letter-spacing: -0.02em; }
.process-step__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-surface); border-top: 1px solid var(--color-border);
  padding-block: var(--space-10);
}
.footer__inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--space-4);
}
.footer__brand {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; color: var(--color-text);
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-base);
  letter-spacing: -0.02em;
}
.footer__copy { font-size: var(--text-xs); color: var(--color-text-muted); }
.footer__links { display: flex; gap: var(--space-6); list-style: none; }
.footer__links a {
  font-size: var(--text-xs); color: var(--color-text-muted);
  text-decoration: none; transition: color var(--transition-interactive);
}
.footer__links a:hover { color: var(--color-text); }