/* garrettsmith.co — Base Styles */

/* ---- Self-Hosted Fonts ---- */

@font-face {
  font-family: 'DM Sans';
  src: url('/fonts/DM_Sans/DMSans-VariableFont_opsz,wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('/fonts/DM_Sans/DMSans-Italic-VariableFont_opsz,wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Newsreader';
  src: url('/fonts/Newsreader/Newsreader-VariableFont_opsz,wght.ttf') format('truetype');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Newsreader';
  src: url('/fonts/Newsreader/Newsreader-Italic-VariableFont_opsz,wght.ttf') format('truetype');
  font-weight: 200 800;
  font-style: italic;
  font-display: swap;
}

/* ---- Design Tokens ---- */

:root {
  --color-bg: #faefe6;
  --color-bg-alt: #f3f1ec;
  --color-text: #1a1a1a;
  --color-text-secondary: #5a5650;
  --color-accent: #5a7a5a;
  --color-accent-hover: #9a6630;
  --color-border: #d8d4cc;
  --color-border-light: #e8e5de;
  --color-white: #ffffff;

  --font-heading: 'Newsreader', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', Helvetica, sans-serif;

  --s: 8px;

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 1.0625rem);
  --text-base: clamp(1rem, 0.92rem + 0.35vw, 1.1875rem);
  --text-lg: clamp(1.0625rem, 0.95rem + 0.45vw, 1.3125rem);
  --text-xl: clamp(1.125rem, 1rem + 0.5vw, 1.4375rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  --text-3xl: clamp(2.25rem, 1.5rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1.6rem + 3vw, 4rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #141210;
    --color-bg-alt: #1c1a17;
    --color-text: #e8e5de;
    --color-text-secondary: #9a9590;
    --color-accent: #d4944a;
    --color-accent-hover: #e0a85e;
    --color-border: #2e2b26;
    --color-border-light: #252320;
    --color-white: #1c1a17;
  }
}

/* ---- Reset & Base ---- */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ---- Typography ---- */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: var(--text-3xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-2xl); letter-spacing: -0.01em; }
h3 { font-size: var(--text-xl); font-weight: 500; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

/* ---- Layout ---- */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

/* ---- Navigation ---- */

.site-nav {
  padding: calc(var(--s) * 2) 0 0;
}

.site-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-nav__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
}

.site-nav__name:hover {
  color: var(--color-accent);
}

.site-nav__links {
  display: flex;
  gap: calc(var(--s) * 3.5);
  list-style: none;
}

.site-nav__links a {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.site-nav__links a:hover {
  color: var(--color-text);
}

/* ---- Hero (text-only) ---- */
/*
  Photo column removed: no professional photo yet.
  To restore two-column layout when photos arrive, uncomment
  the PHOTO RESTORE blocks below and in the responsive section,
  then add <div class="hero__photo">...</div> back to the HTML.
*/

.hero {
  padding: calc(var(--s) * 2) 0;
}

/* PHOTO RESTORE: uncomment when adding photo column
.hero__layout {
  display: grid;
  grid-template-columns: 1fr clamp(260px, 24vw, 380px);
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}
*/

.hero__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: calc(var(--s) * 0.5);
}

.hero__name {
  font-size: var(--text-hero);
  margin-bottom: calc(var(--s) * 1.5);
  line-height: 1.05;
}

.hero__statement {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.65;
  color: var(--color-text-secondary);
  font-style: italic;
}

.hero__meta {
  display: flex;
  gap: calc(var(--s) * 3);
  margin-top: calc(var(--s) * 2);
  padding-top: calc(var(--s) * 2);
  border-top: 1px solid var(--color-border-light);
}

.hero__meta-item {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* PHOTO RESTORE: uncomment when adding photo column
.hero__photo-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
*/

/* ---- Sections ---- */

.section {
  padding: calc(var(--s) * 3) 0;
}

.section + .section {
  border-top: 1px solid var(--color-border-light);
}

.section__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0;
}

.section__heading {
  margin-bottom: calc(var(--s) * 1.5);
}

/* ---- Approach ---- */

.approach__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--s) * 2.5) calc(var(--s) * 4);
}

.approach__item h3 {
  margin-bottom: calc(var(--s) * 0.5);
}

.approach__item p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ---- Services ---- */

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--s) * 2);
}

.service-card {
  padding: calc(var(--s) * 2.5);
  border: 1px solid var(--color-border-light);
  transition: border-color 0.2s ease;
}

.service-card:hover {
  border-color: var(--color-accent);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  margin-bottom: calc(var(--s) * 0.5);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ---- CTA Band ---- */

.cta-band {
  padding: calc(var(--s) * 3) 0;
  text-align: center;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.cta-band h2 {
  margin-bottom: calc(var(--s) * 0.5);
}

.cta-band p {
  color: var(--color-text-secondary);
  margin-bottom: calc(var(--s) * 2);
  font-size: var(--text-sm);
}

.cta-button {
  display: inline-block;
  padding: calc(var(--s) * 1.75) calc(var(--s) * 5);
  background-color: var(--color-text);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.cta-button:hover {
  background-color: var(--color-accent);
  color: #fff;
}

/* ---- Contact ---- */

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--s) * 4);
}

.contact__detail h3 {
  margin-bottom: calc(var(--s) * 0.25);
}

.contact__detail p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.contact__detail a {
  color: var(--color-accent);
  font-weight: 500;
}

/* ---- Footer ---- */

.site-footer {
  padding: calc(var(--s) * 2) 0;
  border-top: 1px solid var(--color-border-light);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-footer__credential,
.site-footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* ---- Articles Index ---- */

.articles-header {
  padding: calc(var(--s) * 5) 0 calc(var(--s) * 3);
}

.articles-header h1 {
  margin-bottom: calc(var(--s) * 1.5);
}

.articles-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  max-width: 560px;
}

.article-list {
  padding-bottom: calc(var(--s) * 6);
  border-top: 1px solid var(--color-border-light);
}

.article-entry {
  padding: calc(var(--s) * 3.5) 0;
  border-bottom: 1px solid var(--color-border-light);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: calc(var(--s) * 4);
  align-items: start;
}

.article-entry__date {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  padding-top: 4px;
}

.article-entry__content h2 {
  font-size: var(--text-xl);
  margin-bottom: calc(var(--s) * 0.5);
}

.article-entry__content h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.article-entry__content h2 a:hover {
  color: var(--color-accent);
}

.article-entry__content p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ---- Article Page ---- */

.article-page {
  padding: calc(var(--s) * 5) 0 calc(var(--s) * 8);
}

.article-page .container {
  max-width: 760px;
}

.article-page__header {
  margin-bottom: calc(var(--s) * 4);
  padding-bottom: calc(var(--s) * 3);
  border-bottom: 1px solid var(--color-border-light);
}

.article-page__header .section__label {
  margin-bottom: calc(var(--s) * 1);
}

.article-page__header h1 {
  margin-bottom: calc(var(--s) * 1);
}

.article-page__meta {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.article-page__body {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: 1.85;
}

.article-page__body h2 {
  margin-top: calc(var(--s) * 5);
  margin-bottom: calc(var(--s) * 2);
  padding-bottom: calc(var(--s) * 1);
  border-bottom: 1px solid var(--color-border-light);
}

.article-page__body h3 {
  margin-top: calc(var(--s) * 3);
  margin-bottom: calc(var(--s) * 1.5);
}

.article-page__body h4 {
  font-size: var(--text-base);
  font-family: var(--font-body);
  font-weight: 600;
  margin-top: calc(var(--s) * 2.5);
  margin-bottom: calc(var(--s) * 1);
}

.article-page__body p {
  margin-bottom: 1.4em;
  font-family: var(--font-heading);
}

/* ---- Article Content: Callout Boxes ---- */
/* Ready for when protocol.html content is migrated into the article wrapper */

.protocol-box {
  background-color: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
  padding: calc(var(--s) * 2.5);
  margin: calc(var(--s) * 3) 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

.protocol-box p {
  font-family: var(--font-body);
  margin-bottom: 0.5em;
}

.protocol-box .dosing {
  margin-bottom: 0.5em;
}

.guardrails {
  background-color: #fff8f0;
  border-left: 3px solid var(--color-accent);
  padding: calc(var(--s) * 2.5);
  margin: calc(var(--s) * 3) 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

.guardrails h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: calc(var(--s) * 1.5);
}

.guardrails p {
  font-family: var(--font-body);
}

@media (prefers-color-scheme: dark) {
  .guardrails {
    background-color: #211c14;
  }
}

.labs {
  background-color: #f0f5ff;
  border-left: 3px solid #4a7aad;
  padding: calc(var(--s) * 2.5);
  margin: calc(var(--s) * 3) 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

.labs p {
  font-family: var(--font-body);
}

@media (prefers-color-scheme: dark) {
  .labs {
    background-color: #0f1a2a;
    border-left-color: #5a8fc5;
  }
}

figure {
  margin: calc(var(--s) * 3) 0;
}

figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  margin: 0 auto;
}

figcaption {
  font-style: italic;
  margin-top: calc(var(--s) * 1);
  font-size: var(--text-xs);
  text-align: center;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
}

/* ---- Article Table ---- */

.biohack-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  margin: calc(var(--s) * 2) 0;
}

.biohack-table th {
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: calc(var(--s) * 1.25);
  text-align: left;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.biohack-table td {
  padding: calc(var(--s) * 1);
  border-bottom: 1px solid var(--color-border-light);
}

.biohack-table tr:nth-child(even) td {
  background-color: var(--color-bg-alt);
}

.row-gain { background-color: #e6ffed !important; }
.row-loss { background-color: #fff1f0 !important; }
.row-metabolic { background-color: #e6f7ff !important; }

@media (prefers-color-scheme: dark) {
  .row-gain { background-color: #0a2010 !important; }
  .row-loss { background-color: #2a0a08 !important; }
  .row-metabolic { background-color: #0a1a2a !important; }
}

.caption-text {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: calc(var(--s) * 1);
  border-left: 2px solid var(--color-border);
  padding-left: calc(var(--s) * 1.5);
  font-family: var(--font-body);
}

.ref {
  color: var(--color-accent);
  font-weight: 500;
}

.ref:hover {
  text-decoration: underline;
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
  /* PHOTO RESTORE: uncomment when photo column is restored
  .hero__layout { grid-template-columns: 1fr; gap: calc(var(--s) * 3); }
  .hero__photo { order: -1; }
  .hero__photo-placeholder { max-width: 260px; aspect-ratio: 1 / 1; }
  */

  .approach__grid {
    grid-template-columns: 1fr;
    gap: calc(var(--s) * 2.5);
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .contact__layout {
    grid-template-columns: 1fr;
  }

  .article-entry {
    grid-template-columns: 1fr;
    gap: var(--s);
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 calc(var(--s) * 2);
  }

  .hero {
    padding: calc(var(--s) * 2) 0;
  }

  .section {
    padding: calc(var(--s) * 2.5) 0;
  }

  .hero__meta {
    flex-wrap: wrap;
    gap: calc(var(--s) * 1.5) calc(var(--s) * 3);
  }

  .site-nav__links {
    gap: calc(var(--s) * 2);
  }

  .site-footer .container {
    flex-direction: column;
    gap: var(--s);
    text-align: center;
  }
}