/* =========================================================================
   GLP1Choices.com — styles.css
   Project / operator: GLPNerd
   Clean, healthcare-appropriate, lightweight. No build step required.
   Palette: calm clinical teal + neutral surfaces (trust, health, clarity).
   ========================================================================= */

/* ---------- Tokens ---------- */
:root,
[data-theme="light"] {
  /* Type scale (fluid) */
  --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, 3.25rem);

  /* Spacing (4px base) */
  --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;

  /* Surfaces */
  --color-bg: #f6f8f8;
  --color-surface: #ffffff;
  --color-surface-2: #f0f4f4;
  --color-border: #d9e2e1;
  --color-divider: #e6ecec;

  /* Text */
  --color-text: #16302e;
  --color-text-muted: #5a6f6c;
  --color-text-faint: #9aa9a7;
  --color-text-inverse: #f6f8f8;

  /* Primary accent — clinical teal */
  --color-primary: #0f766e;
  --color-primary-hover: #0c5e57;
  --color-primary-active: #094a44;
  --color-primary-soft: #e3f1ef;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px rgba(16, 48, 46, 0.06);
  --shadow-md: 0 6px 20px rgba(16, 48, 46, 0.08);

  --content-narrow: 680px;
  --content-default: 1080px;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
}

[data-theme="dark"] {
  --color-bg: #0d1413;
  --color-surface: #131c1b;
  --color-surface-2: #18221f;
  --color-border: #25332f;
  --color-divider: #1d2826;
  --color-text: #dce7e5;
  --color-text-muted: #93a5a2;
  --color-text-faint: #5f706d;
  --color-text-inverse: #0d1413;
  --color-primary: #4fb3a8;
  --color-primary-hover: #66c4ba;
  --color-primary-active: #3d978d;
  --color-primary-soft: #15302c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0d1413; --color-surface: #131c1b; --color-surface-2: #18221f;
    --color-border: #25332f; --color-text: #dce7e5; --color-text-muted: #93a5a2;
    --color-primary: #4fb3a8; --color-primary-hover: #66c4ba; --color-primary-soft: #15302c;
  }
}

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

html {
  -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-color: var(--color-bg);
}

img, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

h1, h2, h3 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); font-weight: 500; }
p, li { text-wrap: pretty; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover { color: var(--color-primary-hover); }

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

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

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container.narrow { max-width: var(--content-narrow); }

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -3rem;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: top var(--transition-interactive);
  z-index: 100;
}
.skip-link:focus { top: var(--space-4); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); }
.brand-mark { flex: none; }
.brand-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.brand-accent { color: var(--color-primary); }

.site-nav { display: flex; align-items: center; gap: var(--space-6); }
.site-nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}
.site-nav a:hover { color: var(--color-text); }

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 2.25rem; height: 2.25rem;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive);
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(var(--space-16), 9vw, var(--space-24)); }
.hero-inner { max-width: 760px; }
.eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.hero h1 {
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
}
.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-8);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-6); }
.disclaimer-inline { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.trust-item { display: flex; flex-direction: column; gap: var(--space-1); }
.trust-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
}
.trust-label { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Sections ---------- */
.section { padding-block: clamp(var(--space-16), 7vw, var(--space-24)); }
.section-alt { background: var(--color-surface); }
.section-head { max-width: 60ch; margin-bottom: var(--space-10); }
.section-head h2 { font-size: var(--text-xl); margin-bottom: var(--space-3); letter-spacing: -0.01em; }
.section-head p { color: var(--color-text-muted); }
.note { margin-top: var(--space-5); font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- Compare table ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}
.compare-table th, .compare-table td {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-divider);
}
.compare-table thead th {
  background: var(--color-surface-2);
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-text);
}
.compare-table tbody th {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}
.compare-table td { color: var(--color-text-muted); }
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td { border-bottom: none; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.section-alt .card { background: var(--color-surface-2); }
.card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.card p { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: var(--space-4); }
.card-link { font-size: var(--text-sm); font-weight: 600; }

/* ---------- Checklist ---------- */
.checklist { display: grid; gap: var(--space-3); }
.checklist li {
  position: relative;
  padding-left: var(--space-8);
  color: var(--color-text);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.45em;
  width: 1.1rem; height: 1.1rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  border: 1.5px solid var(--color-primary);
}
.checklist li::after {
  content: "";
  position: absolute;
  left: 0.32rem; top: 0.62em;
  width: 0.45rem; height: 0.22rem;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

/* ---------- CTA ---------- */
.cta { padding-block: clamp(var(--space-16), 7vw, var(--space-24)); }
.cta-inner {
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-active));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-10), 6vw, var(--space-20)) var(--space-6);
}
.cta-inner h2 { font-size: var(--text-xl); margin-bottom: var(--space-3); color: #fff; }
.cta-inner p { color: rgba(255, 255, 255, 0.85); margin-bottom: var(--space-8); }
.cta-inner .btn-primary { background: #fff; color: var(--color-primary-active); }
.cta-inner .btn-primary:hover { background: rgba(255, 255, 255, 0.9); color: var(--color-primary-active); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-divider); background: var(--color-surface); }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  justify-content: space-between;
  padding-block: var(--space-12) var(--space-6);
}
.footer-tagline { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-2); }
.footer-nav { display: flex; gap: var(--space-6); align-items: flex-start; }
.footer-nav a { color: var(--color-text-muted); font-size: var(--text-sm); }
.footer-nav a:hover { color: var(--color-text); }
.footer-legal {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-6) var(--space-10);
}
.footer-legal p { font-size: var(--text-xs); color: var(--color-text-faint); max-width: 90ch; margin-bottom: var(--space-3); }
.copyright { color: var(--color-text-faint); }
.glpnerd { color: var(--color-text-muted); font-weight: 500; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .site-nav { gap: var(--space-4); }
  .site-nav a:not(.theme-toggle) { display: none; }
}