/* ============================================
   Clay Design System — alfon.net
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');

:root {
  --color-black: #000000;
  --color-white: #ffffff;
  --color-cream: #faf9f7;

  --matcha-300: #84e7a5;
  --matcha-600: #078a52;
  --matcha-800: #02492a;

  --slushie-500: #3bd3fd;
  --slushie-800: #0089ad;

  --lemon-400: #f8cc65;
  --lemon-500: #fbbd41;
  --lemon-700: #d08a11;
  --lemon-800: #9d6a09;

  --ube-300: #c1b0ff;
  --ube-800: #43089f;
  --ube-900: #32037d;

  --pomegranate-400: #fc7981;
  --blueberry-800: #01418d;

  --warm-silver: #9f9b93;
  --warm-charcoal: #55534e;
  --dark-charcoal: #333333;

  --border-oat: #dad4c8;
  --border-oat-light: #eee9df;
  --border-dark: #525a69;

  --shadow-clay:
    rgba(0,0,0,0.1) 0px 1px 1px,
    rgba(0,0,0,0.04) 0px -1px 1px inset,
    rgba(0,0,0,0.05) 0px -0.5px 1px;
  --shadow-hard: rgb(0,0,0) -7px 7px;

  --font-primary: 'Roobert', Arial, sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius-sharp: 4px;
  --radius-standard: 8px;
  --radius-badge: 11px;
  --radius-card: 12px;
  --radius-feature: 24px;
  --radius-section: 40px;
  --radius-pill: 1584px;
}

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

/* --- Base --- */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-feature-settings: "ss03", "ss10", "ss11", "ss12";
  background-color: var(--color-cream);
  color: var(--color-black);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- Typography --- */
.t-display-hero {
  font-size: 5rem;
  font-weight: 600;
  line-height: 1.00;
  letter-spacing: -3.2px;
  font-feature-settings: "ss01", "ss03", "ss10", "ss11", "ss12";
}

.t-display-secondary {
  font-size: 3.75rem;
  font-weight: 600;
  line-height: 1.00;
  letter-spacing: -2.4px;
  font-feature-settings: "ss01", "ss03", "ss10", "ss11", "ss12";
}

.t-section-heading {
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 1.10;
  letter-spacing: -1.32px;
  font-feature-settings: "ss01", "ss03", "ss10", "ss11", "ss12";
}

.t-card-heading {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.10;
  letter-spacing: -0.64px;
  font-feature-settings: "ss01", "ss03", "ss10", "ss11", "ss12";
}

.t-feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.40;
  letter-spacing: -0.4px;
  font-feature-settings: "ss01", "ss03", "ss10", "ss11", "ss12";
}

.t-sub-heading {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.50;
  letter-spacing: -0.16px;
}

.t-body-large {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.40;
}

.t-body {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.60;
  letter-spacing: -0.36px;
}

.t-body-standard {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.50;
}

.t-body-medium {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.40;
  letter-spacing: -0.16px;
}

.t-caption {
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: -0.14px;
}

.t-small {
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.50;
}

.t-uppercase-label {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.20;
  letter-spacing: 1.08px;
  text-transform: uppercase;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--border-oat);
  padding: 0 2rem;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-brand {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-brand img {
  height: 18px;
  display: inline-block;
}

.nav-brand .sep {
  color: var(--warm-silver);
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.60;
  color: var(--warm-charcoal);
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--color-black);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.50;
  letter-spacing: -0.16px;
  font-feature-settings: "ss03", "ss10", "ss11", "ss12";
  border: none;
  cursor: pointer;
  transition:
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    background-color 0.25s,
    color 0.25s,
    border-color 0.25s,
    box-shadow 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn:focus-visible {
  outline: rgb(20, 110, 245) solid 2px;
  outline-offset: 2px;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-white {
  background: var(--color-white);
  color: var(--color-black);
  border-radius: var(--radius-card);
  padding: 10px 20px;
  box-shadow: var(--shadow-clay);
}

.btn-white:hover {
  background: var(--lemon-500);
  transform: rotateZ(-8deg) translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.btn-pill {
  background: var(--color-white);
  color: var(--color-black);
  border-radius: var(--radius-pill);
  padding: 8px 20px;
  box-shadow: var(--shadow-clay);
}

.btn-pill:hover {
  background: var(--pomegranate-400);
  color: var(--color-white);
  transform: rotateZ(-8deg) translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-sharp);
  padding: 10px 20px;
}

.btn-ghost:hover {
  background: var(--pomegranate-400);
  color: var(--color-white);
  border-color: var(--pomegranate-400);
  transform: rotateZ(-8deg) translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.btn-ghost-dark {
  background: transparent;
  color: var(--color-black);
  border: 1px solid #717989;
  border-radius: var(--radius-sharp);
  padding: 10px 20px;
}

.btn-ghost-dark:hover {
  background: var(--pomegranate-400);
  color: var(--color-white);
  border-color: var(--pomegranate-400);
  transform: rotateZ(-8deg) translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.btn-dark {
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 10px 20px;
}

.btn-dark:hover {
  background: var(--slushie-800);
  transform: rotateZ(-8deg) translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.btn-lg {
  font-size: 1.5rem;
  font-weight: 400;
  padding: 12px 28px;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border: 1px solid var(--border-oat);
  border-radius: var(--radius-feature);
  box-shadow: var(--shadow-clay);
  padding: 2rem;
}

.card--dashed {
  border-style: dashed;
}

.card--interactive {
  transition:
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.card--interactive:hover {
  transform: rotateZ(-2deg) translateY(-4px);
  box-shadow: var(--shadow-hard);
}

/* --- Sections --- */
.section {
  padding: 6rem 2rem;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section--rounded {
  border-radius: var(--radius-section);
  margin-left: 1rem;
  margin-right: 1rem;
}

/* --- Badge --- */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.20;
  letter-spacing: 1.08px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-badge);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
}

.badge--blue {
  background: #f0f8ff;
  color: #3859f9;
  border-color: transparent;
}

/* --- Footer --- */
.footer {
  background: var(--color-white);
  border: 1px solid var(--border-oat);
  border-radius: var(--radius-section);
  margin: 2rem;
  padding: 2.5rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer a {
  color: var(--warm-silver);
  font-size: 0.875rem;
  font-weight: 400;
  transition: color 0.2s;
}

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

.footer .copy {
  color: var(--border-oat);
  font-size: 0.75rem;
}

/* --- Utility --- */
.text-silver { color: var(--warm-silver); }
.text-charcoal { color: var(--warm-charcoal); }
.text-white { color: var(--color-white); }

/* --- Responsive --- */
@media (max-width: 991px) {
  .t-display-hero {
    font-size: 3.75rem;
    letter-spacing: -2.4px;
  }
  .t-section-heading {
    font-size: 2.25rem;
    letter-spacing: -0.88px;
  }
}

@media (max-width: 767px) {
  .t-display-hero {
    font-size: 2.75rem;
    letter-spacing: -1.32px;
  }
  .t-display-secondary {
    font-size: 2.25rem;
    letter-spacing: -1.32px;
  }
  .t-section-heading {
    font-size: 2rem;
    letter-spacing: -0.88px;
  }
  .t-card-heading {
    font-size: 1.5rem;
    letter-spacing: -0.4px;
  }
  .nav { padding: 0 1.25rem; }
  .section { padding: 4rem 1.25rem; }
  .footer { margin: 1rem; padding: 2rem 1.25rem; }
  .section--rounded { margin-left: 0.5rem; margin-right: 0.5rem; }

  .nav-links { gap: 1rem; }
  .nav-link { font-size: 0.85rem; }
}

@media (max-width: 479px) {
  .t-display-hero {
    font-size: 2.25rem;
    letter-spacing: -0.88px;
  }
  .section { padding: 3rem 1rem; }
  .footer { margin: 0.75rem; gap: 1rem; }
}