:root,
[data-theme='light'] {
  --font-display: 'Switzer', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  --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-hero: clamp(3.5rem, 1rem + 9vw, 8.5rem);

  --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;

  --color-bg: #f7f6f2;
  --color-surface: #fbfbf9;
  --color-surface-2: #f0eee8;
  --color-border: #d4d1ca;
  --color-text: #171614;
  --color-muted: #696862;
  --color-faint: #a9a7a1;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-inverse: #f9f8f5;
  --color-error: #a12c7b;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --shadow: 0 20px 70px oklch(0.2 0.01 80 / 0.1);
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #10100f;
  --color-surface: #191917;
  --color-surface-2: #22211f;
  --color-border: #383734;
  --color-text: #eceae5;
  --color-muted: #aaa7a0;
  --color-faint: #686761;
  --color-primary: #66b5bd;
  --color-primary-hover: #8ed1d8;
  --color-inverse: #10100f;
  --color-error: #d163a7;
  --shadow: 0 20px 70px oklch(0 0 0 / 0.35);
}

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background:
    linear-gradient(120deg, color-mix(in oklab, var(--color-primary), transparent 94%), transparent 34rem),
    var(--color-bg);
}

svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input,
textarea {
  font: inherit;
}

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

a,
button,
input,
textarea {
  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

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

.skip-link {
  position: fixed;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  transform: translateY(-160%);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-text);
  color: var(--color-inverse);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  width: min(1120px, calc(100% - var(--space-8)));
  margin-inline: auto;
  padding-block: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-primary);
}

.theme-toggle {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  background: color-mix(in oklab, var(--color-surface), transparent 8%);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.theme-toggle svg {
  width: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.main-shell {
  width: min(1120px, calc(100% - var(--space-8)));
  margin-inline: auto;
}

.hero {
  min-height: clamp(30rem, 72vh, 46rem);
  display: grid;
  align-content: center;
  padding-block: var(--space-16);
}

.eyebrow {
  width: fit-content;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: var(--font-display);
  line-height: 0.98;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

h1 {
  max-width: 9ch;
  font-size: var(--text-hero);
  font-weight: 600;
}

h2 {
  max-width: 12ch;
  font-size: var(--text-xl);
  font-weight: 600;
}

.intro {
  max-width: 42rem;
  margin-top: var(--space-8);
  color: var(--color-muted);
  font-size: var(--text-lg);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-10);
}

.button {
  min-height: 2.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
}

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

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

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

.button-secondary {
  border-color: var(--color-border);
  color: var(--color-text);
  background: color-mix(in oklab, var(--color-surface), transparent 10%);
}

.button-secondary:hover {
  border-color: var(--color-primary);
}

.contact-card {
  margin-bottom: var(--space-20);
  padding: clamp(var(--space-6), 5vw, var(--space-12));
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(18rem, 1fr);
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  border: 1px solid color-mix(in oklab, var(--color-border), transparent 15%);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-surface), transparent 6%);
  box-shadow: var(--shadow);
}

.contact-copy p:last-child {
  margin-top: var(--space-5);
  max-width: 28rem;
  color: var(--color-muted);
}

.contact-form {
  display: grid;
  gap: var(--space-5);
}

.field {
  display: grid;
  gap: var(--space-2);
}

label {
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-faint);
}

input:focus,
textarea:focus {
  border-color: var(--color-primary);
}

textarea {
  resize: vertical;
  min-height: 9rem;
}

.form-submit {
  width: fit-content;
}

.form-status {
  min-height: 1.5rem;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.form-status[data-state='error'] {
  color: var(--color-error);
}

.site-footer {
  width: min(1120px, calc(100% - var(--space-8)));
  margin-inline: auto;
  padding-block: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

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

@media (max-width: 760px) {
  .site-header,
  .main-shell,
  .site-footer {
    width: min(100% - var(--space-6), 1120px);
  }

  .hero {
    min-height: auto;
    padding-block: var(--space-16);
  }

  h1 {
    font-size: clamp(3.25rem, 17vw, 5rem);
  }

  .intro {
    font-size: var(--text-base);
  }

  .actions,
  .button,
  .form-submit {
    width: 100%;
  }

  .contact-card {
    grid-template-columns: 1fr;
    margin-bottom: var(--space-12);
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}