/* style.css — AZ Laser Restoration design system + components */

/* === DESIGN TOKENS === */

: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);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* 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;

  /* Industrial Clean Palette */
  --color-bg: #f4f5f6;
  --color-surface: #ffffff;
  --color-surface-2: #f9fafb;
  --color-surface-offset: #ebedef;
  --color-surface-offset-2: #e2e4e7;
  --color-surface-dynamic: #d8dbdf;
  --color-divider: #d1d4d8;
  --color-border: #c8ccd0;

  --color-text: #1a1d1e;
  --color-text-muted: #5a6066;
  --color-text-faint: #9ba1a7;
  --color-text-inverse: #f4f5f6;

  /* Primary — Deep Teal (industrial, laser-inspired) */
  --color-primary: #015d5d;
  --color-primary-hover: #014848;
  --color-primary-active: #013535;
  --color-primary-highlight: #c5e0e0;

  /* Safety Orange — for safety warnings only */
  --color-safety: #c4501c;
  --color-safety-highlight: #f5e0d5;

  /* Warning/Error */
  --color-warning: #964219;
  --color-warning-highlight: #ddcfc6;
  --color-error: #a12c7b;
  --color-error-highlight: #e0ced7;
  --color-success: #437a22;
  --color-success-highlight: #d4dfcc;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — cool-toned for industrial palette */
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 240 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 240 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 240 / 0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

/* DARK MODE */
[data-theme='dark'] {
  --color-bg: #121416;
  --color-surface: #1a1d1f;
  --color-surface-2: #1e2224;
  --color-surface-offset: #222628;
  --color-surface-offset-2: #262a2c;
  --color-surface-dynamic: #2e3236;
  --color-divider: #2a2d30;
  --color-border: #363a3d;

  --color-text: #d4d8da;
  --color-text-muted: #8a8f94;
  --color-text-faint: #5a5f64;
  --color-text-inverse: #1a1d1e;

  --color-primary: #3da3a3;
  --color-primary-hover: #2a8585;
  --color-primary-active: #1d6767;
  --color-primary-highlight: #1a2e2e;

  --color-safety: #e07a4a;
  --color-safety-highlight: #3a2a22;

  --color-warning: #bb653b;
  --color-warning-highlight: #4a3a30;
  --color-error: #d163a7;
  --color-error-highlight: #4c3d46;
  --color-success: #6daa45;
  --color-success-highlight: #2a3a22;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

/* === LAYOUT === */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* === HEADER / NAV === */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: box-shadow var(--transition-interactive);
}

.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.nav-brand-logo {
  flex-shrink: 0;
}

/* Logo light/dark switching */
.brand-logo {
  display: block;
  height: 140px;
  width: auto;
}

@media (max-width: 768px) {
  .brand-logo {
    height: 110px;
  }
}

.logo-dark {
  display: none;
}

[data-theme='dark'] .logo-dark {
  display: block;
}

[data-theme='dark'] .logo-light {
  display: none;
}

/* Footer logo */
.footer-brand .brand-logo {
  height: 110px;
}

@media (max-width: 768px) {
  .footer-brand .brand-logo {
    height: 80px;
  }
}

.nav-brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.nav-brand-text small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
}

.nav-links a:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.nav-links a[aria-current='page'] {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

[data-theme-toggle] {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
}

[data-theme-toggle]:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.btn-nav {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-nav:hover {
  background: var(--color-primary-hover);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3);
    gap: var(--space-1);
    box-shadow: var(--shadow-lg);
  }

  .nav-links--open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    width: 100%;
  }

  .nav-toggle {
    display: flex;
  }

  .btn-nav {
    display: none;
  }
}

/* === BUTTONS === */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  min-height: 44px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: oklch(from var(--color-text) l c h / 0.12);
}

.btn-secondary:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-offset);
}

.btn-ghost {
  color: var(--color-primary);
  padding-inline: var(--space-2);
}

.btn-ghost:hover {
  color: var(--color-primary-hover);
}

/* === SECTIONS === */

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

.section-sm {
  padding-block: clamp(var(--space-8), 4vw, var(--space-16));
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.section-text {
  color: var(--color-text-muted);
  max-width: 65ch;
  line-height: 1.7;
}

/* === HERO === */

.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-12);
  }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-5);
}

.hero p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-8);
  max-width: 50ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-surface-offset);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* === STAT BAR === */

.stat-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
}

@media (min-width: 640px) {
  .stat-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-1);
}

/* === SERVICE GRID === */

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-text) l c h / 0.16);
}

.service-card-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === PROCESS STEPS === */

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  position: relative;
}

.process-step-number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.process-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === CTA SECTION === */

.cta-section {
  text-align: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.cta-section p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 50ch;
  margin-inline: auto;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* === FOOTER === */

.site-footer {
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.08);
  padding-block: var(--space-12) var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.footer-brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
}

.footer-brand-text small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 40ch;
}

.footer-links h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.06);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* === PAGE HEADER === */

.page-header {
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.page-header p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* === APPLICATION CARDS (Services page) === */

.app-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .app-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.app-card {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.app-card:hover {
  box-shadow: var(--shadow-sm);
  border-color: oklch(from var(--color-text) l c h / 0.14);
}

.app-card-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.app-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.app-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === INDUSTRIES LIST === */

.industries-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .industries-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.industry-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-md);
}

.industry-item svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}

.industry-item h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.industry-item p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* === SAFETY CALLOUT === */

.safety-callout {
  background: var(--color-safety-highlight);
  border: 1px solid oklch(from var(--color-safety) l c h / 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.safety-callout-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-safety);
}

.safety-callout h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.safety-callout p {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
}

/* === LASER SETTINGS TOOL === */

.tool-section {
  padding-block: clamp(var(--space-8), 5vw, var(--space-16));
}

.tool-disclaimer {
  background: var(--color-safety-highlight);
  border: 1px solid oklch(from var(--color-safety) l c h / 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.tool-disclaimer strong {
  color: var(--color-safety);
}

.tool-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
  .tool-form {
    grid-template-columns: 1fr 1fr;
  }
}

.tool-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.tool-field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.tool-field select {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--color-text);
  min-height: 44px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6066' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-8);
}

.tool-field select:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  min-height: 44px;
  width: 100%;
}

@media (min-width: 640px) {
  .tool-btn {
    width: auto;
  }
}

.tool-btn:hover {
  background: var(--color-primary-hover);
}

/* Results */
.tool-results {
  display: none;
}

.tool-results--visible {
  display: block;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.result-card {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-md);
}

.result-card-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.result-card-value {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.result-notes {
  padding: var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.7;
}

.result-notes h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.result-notes ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.result-notes ul li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}

.result-notes ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* Safety Checklist */
.safety-checklist {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.safety-checklist h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-safety);
}

.safety-checklist-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .safety-checklist-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.safety-checklist-section h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.safety-checklist-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.safety-checklist-section li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  padding-left: var(--space-5);
  position: relative;
}

.safety-checklist-section li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border: 1.5px solid var(--color-safety);
  border-radius: 1px;
}

/* === CONTACT FORM === */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-12);
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-size: var(--text-sm);
  font-weight: 600;
}

.form-field input,
.form-field textarea,
.form-field select {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--color-text);
  min-height: 44px;
  width: 100%;
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-text-faint);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.file-upload-area {
  border: 2px dashed oklch(from var(--color-text) l c h / 0.16);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}

.file-upload-area:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-offset);
}

.file-upload-area input[type='file'] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
}

.file-upload-icon {
  width: 32px;
  height: 32px;
  color: var(--color-text-muted);
  margin: 0 auto var(--space-2);
}

.file-upload-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.file-upload-text strong {
  color: var(--color-primary);
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
}

.file-item button {
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.form-submit {
  align-self: flex-start;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info-card {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-md);
}

.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.contact-info-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.contact-info-card a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.contact-info-card a:hover {
  color: var(--color-primary-hover);
}

/* === SERVICE AREA === */

.service-area-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 768px) {
  .service-area-section {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.area-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.area-tag {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-full);
  color: var(--color-text);
}

/* === ABOUT SECTION === */

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.about-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.about-content p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.feature-list svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 1px;
}

/* === UTILITY === */

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.divider {
  height: 1px;
  background: oklch(from var(--color-text) l c h / 0.06);
  border: none;
}

/* === QUICK CONTACT === */
.quick-contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  font-weight: 600;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-text);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--color-text);
  color: var(--color-surface);
}

.quick-contact-note {
  font-size: var(--text-sm);
  color: oklch(from var(--color-text) l c h / 0.65);
  margin-top: var(--space-4);
}
.quick-contact-note a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-divider {
  text-align: center;
  margin-bottom: var(--space-8);
  position: relative;
}
.form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: oklch(from var(--color-text) l c h / 0.15);
}
.form-divider span {
  background: var(--color-bg);
  padding: 0 var(--space-4);
  position: relative;
  font-size: var(--text-sm);
  color: oklch(from var(--color-text) l c h / 0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* === TOOL WARNING === */
.tool-warning {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  background: oklch(from #d97706 l c h / 0.08);
  border: 2px solid #d97706;
  border-radius: var(--radius-lg);
}

.tool-warning-icon {
  flex-shrink: 0;
  color: #d97706;
  padding-top: var(--space-1);
}

.tool-warning-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  margin: 0 0 var(--space-3) 0;
  letter-spacing: -0.01em;
}

.tool-warning-content p {
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  margin: 0;
}

.tool-warning-content a {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 600;
}

[data-theme="dark"] .tool-warning {
  background: oklch(from #fbbf24 l c h / 0.1);
  border-color: #fbbf24;
}
[data-theme="dark"] .tool-warning-icon {
  color: #fbbf24;
}

@media (max-width: 640px) {
  .tool-warning {
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-5);
  }
  .tool-warning-content h2 {
    font-size: var(--text-xl);
  }
}

/* === TOOL TABS === */
.tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--color-surface-offset);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}
.tool-tab {
  flex: 1;
  min-width: 100px;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: oklch(from var(--color-text) l c h / 0.7);
  cursor: pointer;
  transition: all 0.15s ease;
  letter-spacing: 0.01em;
}
.tool-tab:hover {
  color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.04);
}
.tool-tab.active {
  background: var(--color-bg);
  color: var(--color-primary);
  box-shadow: 0 1px 2px oklch(from var(--color-text) l c h / 0.06);
}
[data-theme="dark"] .tool-tab.active {
  background: oklch(from var(--color-bg) calc(l + 0.04) c h);
}

.tool-panel { display: none; }
.tool-panel.active { display: block; }
.tool-panel[hidden] { display: none !important; }

/* === TOOL CONTENT CARDS === */
.tool-content-card {
  padding: var(--space-8);
  background: var(--color-surface-offset);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
}
.tool-content-card h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-3) 0;
  letter-spacing: -0.01em;
}
.tool-content-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--space-6) 0 var(--space-3) 0;
  letter-spacing: -0.005em;
}
.tool-content-card h3:first-of-type {
  margin-top: var(--space-4);
}
.tool-content-lede {
  font-size: var(--text-base);
  line-height: 1.6;
  color: oklch(from var(--color-text) l c h / 0.75);
  margin: 0 0 var(--space-4) 0;
}
.tool-content-list {
  padding-left: var(--space-5);
  margin: 0 0 var(--space-4) 0;
}
.tool-content-list li {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.tool-content-list li strong {
  color: var(--color-text);
  font-weight: 600;
}
.tool-content-card p {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  margin: 0 0 var(--space-4) 0;
}
.tool-callout {
  padding: var(--space-4);
  background: oklch(from var(--color-primary) l c h / 0.08);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}
.tool-callout strong { color: var(--color-primary); }

.tool-link-box {
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.5;
}
.tool-link-box strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-text);
  font-weight: 600;
}
.tool-link-box a {
  color: var(--color-primary);
  word-break: break-all;
  font-family: var(--font-mono, monospace);
  font-size: 0.85em;
}
.tool-note {
  font-size: var(--text-sm);
  color: oklch(from var(--color-text) l c h / 0.65);
  line-height: 1.5;
  margin-top: var(--space-5);
  font-style: italic;
}

/* === LEARN SUB-TABS === */
.tool-subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-4) 0 var(--space-6) 0;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.1);
}
.tool-subtab {
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 1px solid oklch(from var(--color-text) l c h / 0.15);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  color: oklch(from var(--color-text) l c h / 0.7);
  cursor: pointer;
  transition: all 0.15s ease;
}
.tool-subtab:hover {
  color: var(--color-text);
  border-color: oklch(from var(--color-text) l c h / 0.3);
}
.tool-subtab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}
.tool-edu-section { display: none; }
.tool-edu-section.active { display: block; }
.tool-edu-section[hidden] { display: none !important; }

@media (max-width: 640px) {
  .tool-tab {
    min-width: unset;
    flex: 1 1 45%;
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
  }
  .tool-content-card {
    padding: var(--space-5);
  }
  .tool-content-card h2 { font-size: var(--text-xl); }
}