:root,
[data-theme="light"] {
  --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);

  --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;

  --color-bg: #f7f6f2;
  --color-surface: #f9f8f5;
  --color-surface-2: #ffffff;
  --color-surface-offset: #efebe6;
  --color-border: rgba(26, 24, 22, 0.12);
  --color-divider: rgba(26, 24, 22, 0.08);
  --color-text: #191919;
  --color-text-muted: #5f5f5f;
  --color-text-faint: #8c8c8c;
  --color-text-inverse: #f7f6f2;
  --color-primary: #b42318;
  --color-primary-hover: #8f1d14;
  --color-accent: #151515;
  --color-accent-soft: rgba(180, 35, 24, 0.08);

  --shadow-sm: 0 1px 2px rgba(18, 18, 18, 0.08);
  --shadow-md: 0 12px 28px rgba(18, 18, 18, 0.1);
  --shadow-lg: 0 20px 48px rgba(18, 18, 18, 0.16);

  --radius-sm: 0.5rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --radius-full: 9999px;

  --font-display: 'General Sans', 'Inter', sans-serif;
  --font-body: 'General Sans', 'Inter', sans-serif;
  --content-default: 1180px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #0d0d0f;
  --color-surface: #151518;
  --color-surface-2: #1c1c20;
  --color-surface-offset: #101114;
  --color-border: rgba(255, 255, 255, 0.11);
  --color-divider: rgba(255, 255, 255, 0.08);
  --color-text: #f4f1eb;
  --color-text-muted: #b3ada5;
  --color-text-faint: #7f7a73;
  --color-text-inverse: #111214;
  --color-primary: #e34133;
  --color-primary-hover: #ff5d4f;
  --color-accent: #f4f1eb;
  --color-accent-soft: rgba(227, 65, 51, 0.12);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 24px 52px rgba(0, 0, 0, 0.4);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(circle at top right, rgba(227, 65, 51, 0.13), transparent 26%),
    radial-gradient(circle at bottom left, rgba(227, 65, 51, 0.08), transparent 24%),
    var(--color-bg);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 2rem), var(--content-default));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  border-bottom: 1px solid var(--color-divider);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark-old {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.9rem;
  border: 1px solid var(--color-border);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    color-mix(in srgb, var(--color-primary) 40%, black)
  );
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  color: white;
}

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.9rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
}

.brand-mark svg {
  width: 1.45rem;
  height: 1.45rem;
}

.brand-mark-image {
  width: 1.45rem;
  height: 1.45rem;
  object-fit: contain;
}

.brand-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-text span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle,
.menu-toggle {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
  transition:
    transform var(--transition-interactive),
    border-color var(--transition-interactive),
    background var(--transition-interactive);
}

.theme-toggle:hover,
.menu-toggle:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--color-primary) 50%, var(--color-border));
}

.menu-toggle {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 2.9rem;
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  transition:
    transform var(--transition-interactive),
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive);
}

.btn:hover {
  transform: translateY(-1px);
}

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

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

.btn-secondary {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

main section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}