/* ==========================================================================
   jasonemartin.info — Studio teal
   Design tokens
   ========================================================================== */

:root {
  color-scheme: light dark;

  /* Color: accent sampled from the portrait's teal background */
  --bg: #F7F6F3;
  --text: #182B31;
  --muted: #46595F;
  --accent: #1E4A57;
  --accent-strong: #163A44;
  --accent-contrast: #F7F9FA;
  --surface: #FFFFFF;
  --hairline: #DBD8CF;

  /* Spacing */
  --s1: 0.25rem;
  --s2: 0.5rem;
  --s3: 0.75rem;
  --s4: 1rem;
  --s5: 1.5rem;
  --s6: 2rem;
  --s7: 3rem;
  --s8: 4.5rem;

  /* Type */
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
          Roboto, "Helvetica Neue", Arial, sans-serif;
  --step-0: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --step-1: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --step-2: clamp(2rem, 1.5rem + 2.8vw, 3.25rem);

  --radius: 12px;
  --radius-lg: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F1B20;
    --text: #E6ECEE;
    --muted: #9FB3BA;
    --accent: #8CC3D3;
    --accent-strong: #A8D4E1;
    --accent-contrast: #0F1B20;
    --surface: #16262C;
    --hairline: #24343B;
  }
}

/* ==========================================================================
   Base
   ========================================================================== */

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

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

h1,
h2,
p,
ul {
  margin: 0;
}

p {
  text-wrap: pretty;
}

h1,
.headline {
  text-wrap: balance;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent-strong);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.container {
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2rem);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s6);
  padding-block: var(--s7) var(--s6);
  text-align: center;
}

.hero-photo {
  width: min(72vw, 300px);
}

.hero-photo img {
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgb(15 27 32 / 0.12), 0 12px 32px -12px rgb(15 27 32 / 0.28);
}

.hero-text h1 {
  font-size: var(--step-2);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.headline {
  margin-top: var(--s2);
  font-size: var(--step-1);
  font-weight: 500;
  color: var(--muted);
}

.intro {
  margin-top: var(--s4);
  max-width: 46ch;
  margin-inline: auto;
  text-wrap: balance;
}

.actions {
  margin-top: var(--s5);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s3);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  min-height: 48px;
  padding: var(--s3) var(--s5);
  border: 1.5px solid transparent;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

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

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

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

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

.icon {
  width: 1.1em;
  height: 1.1em;
  flex: none;
}

/* ==========================================================================
   Sections
   ========================================================================== */

main section:not(.hero) {
  border-top: 1px solid var(--hairline);
  padding-block: var(--s6);
  max-width: 46rem;
  margin-inline: auto;
}

main section h2 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--s4);
}

main section p {
  max-width: 62ch;
}

.link-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
}

.link-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  min-height: 44px;
  padding: var(--s2) var(--s4);
  border: 1.5px solid var(--hairline);
  border-radius: 999px;
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
  transition: border-color 150ms ease, color 150ms ease;
}

.link-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.link-chip .icon {
  color: var(--accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  border-top: 1px solid var(--hairline);
  padding-block: var(--s6);
  text-align: center;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* ==========================================================================
   Layout: split hero from 800px up
   ========================================================================== */

@media (min-width: 800px) {
  .hero {
    display: grid;
    grid-template-columns: minmax(225px, 300px) 1fr;
    gap: var(--s7);
    align-items: center;
    padding-block: var(--s8);
    text-align: left;
  }

  .hero-photo {
    width: 100%;
  }

  .intro {
    margin-inline: 0;
  }

  .actions {
    justify-content: flex-start;
  }

  main section:not(.hero) {
    margin-inline: 0;
  }
}

@media (min-width: 800px) {
  .hero.hero-single {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-single .actions {
    justify-content: center;
  }

  .hero-single .intro {
    margin-inline: auto;
  }
}

@media (min-width: 1200px) {
  .hero {
    grid-template-columns: minmax(240px, 315px) 1fr;
    gap: var(--s8);
  }
}

/* ==========================================================================
   Preferences
   ========================================================================== */

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

@media print {
  :root {
    --bg: #FFFFFF;
    --text: #000000;
    --muted: #333333;
    --hairline: #999999;
    --accent: #163A44;
    --accent-strong: #163A44;
    --accent-contrast: #FFFFFF;
    --surface: #FFFFFF;
  }

  .button {
    border: 1px solid #000000;
    background: none;
    color: #000000;
  }

  .link-chip::after,
  .button[href^="https://"]::after,
  .button[href^="mailto:"]::after {
    content: " (" attr(href) ")";
    font-weight: 400;
  }
}