/* ===== Emrys Technologies LLC — base + tokens ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

:root {
  --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-3xl: clamp(2.5rem, 1rem + 4vw, 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; --space-32: 8rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 860px;
  --content-wide: 1180px;

  --font-display: 'Cabinet Grotesk', 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Segoe UI', sans-serif;
}

:root, [data-theme='light'] {
  --color-bg: #fbfcfb;
  --color-surface: #ffffff;
  --color-surface-2: #f5f7f6;
  --color-surface-offset: #eef2f0;
  --color-divider: #e2e7e4;
  --color-border: #d7ddda;

  --color-text: #10201b;
  --color-text-muted: #526059;
  --color-text-faint: #8b978f;
  --color-text-inverse: #f7faf8;

  --color-primary: #0c453b;
  --color-primary-hover: #0a5e4d;
  --color-primary-active: #062e27;
  --color-primary-highlight: #dcece5;

  --color-accent: #1f8668;
  --color-accent-soft: #4db882;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 160 / 0.06);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 160 / 0.08);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 160 / 0.12);
}

[data-theme='dark'] {
  --color-bg: #0c1512;
  --color-surface: #101d18;
  --color-surface-2: #13201b;
  --color-surface-offset: #16241e;
  --color-divider: #223330;
  --color-border: #2c3f38;

  --color-text: #e6ece8;
  --color-text-muted: #a2b2ab;
  --color-text-faint: #647a71;
  --color-text-inverse: #0c1512;

  --color-primary: #4db882;
  --color-primary-hover: #6fcb9a;
  --color-primary-active: #3a9a6a;
  --color-primary-highlight: #1a3229;

  --color-accent: #4db882;
  --color-accent-soft: #6fcb9a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.45);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); color: var(--color-text); }
: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;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
a, button, [role='button'], input { transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

/* ===== Layout ===== */
.wrap { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-6); }
.wrap--prose { max-width: var(--content-default); }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-4); }
.brand { display: flex; align-items: center; gap: var(--space-2); text-decoration: none; }
.brand img { height: 32px; width: auto; }
.nav { display: flex; align-items: center; gap: var(--space-8); }
.nav__links { display: flex; gap: var(--space-6); }
.nav a {
  color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); font-weight: 500;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--color-primary); }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-full);
  color: var(--color-text-muted); border: 1px solid var(--color-border);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }
.nav-toggle { display: none; }

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: var(--radius-md); color: var(--color-text);
  }
  .nav__links.open {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-surface); border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4) var(--space-6); gap: var(--space-4); box-shadow: var(--shadow-md);
  }
}

/* ===== Hero ===== */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32)) clamp(var(--space-12), 8vw, var(--space-24));
  text-align: left;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: var(--space-6);
}
.hero__eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent-soft);
}
.hero h1 { font-size: var(--text-3xl); font-weight: 650; max-width: 16ch; letter-spacing: -0.01em; }
.hero p.lead {
  font-size: var(--text-lg); color: var(--color-text-muted); max-width: 46ch; margin-top: var(--space-6);
  font-family: var(--font-body); font-weight: 400;
}
.hero__actions { display: flex; gap: var(--space-4); margin-top: var(--space-10); flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none;
}
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--ghost { border: 1px solid var(--color-border); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ===== Sections ===== */
.section { padding-block: clamp(var(--space-12), 8vw, var(--space-24)); border-top: 1px solid var(--color-divider); }
.section__label {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-text-faint); margin-bottom: var(--space-4);
}
.section h2 { font-size: var(--text-xl); font-weight: 600; max-width: 28ch; }
.section p.section-lead { color: var(--color-text-muted); max-width: 60ch; margin-top: var(--space-4); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-top: var(--space-10); }
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  padding: var(--space-8); box-shadow: var(--shadow-sm);
}
.card__icon {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: var(--color-primary-highlight); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-4);
}
.card h3 { font-size: var(--text-lg); font-weight: 600; margin-bottom: var(--space-2); font-family: var(--font-body); }
.card p { color: var(--color-text-muted); font-size: var(--text-sm); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: start; margin-top: var(--space-10); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.product-list { display: flex; flex-direction: column; gap: var(--space-6); }
.product {
  padding: var(--space-6); border: 1px solid var(--color-divider); border-radius: var(--radius-lg); background: var(--color-surface);
}
.product__status {
  display: inline-block; font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-accent); background: var(--color-primary-highlight); padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full); margin-bottom: var(--space-3);
}
.product h3 { font-size: var(--text-lg); font-weight: 600; font-family: var(--font-body); margin-bottom: var(--space-2); }
.product p { color: var(--color-text-muted); font-size: var(--text-sm); }

.notice {
  background: var(--color-surface-offset); border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  padding: var(--space-6); margin-top: var(--space-10);
}
.notice p { color: var(--color-text-muted); font-size: var(--text-sm); }
.notice strong { color: var(--color-text); }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--color-divider); padding-block: var(--space-12); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-8); align-items: center; }
.footer__brand { display: flex; align-items: center; gap: var(--space-3); }
.footer__brand img { height: 24px; }
.footer__brand span { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer__links { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer__links a { font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; }
.footer__links a:hover { color: var(--color-primary); }
.footer__meta { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-6); }

/* ===== Legal pages ===== */
.legal-header { padding-block: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-8); border-bottom: 1px solid var(--color-divider); }
.legal-header h1 { font-size: var(--text-2xl); font-weight: 650; }
.legal-header .updated { color: var(--color-text-faint); font-size: var(--text-sm); margin-top: var(--space-3); }

.legal-body { padding-block: clamp(var(--space-10), 6vw, var(--space-16)); }
.legal-body h2 { font-size: var(--text-lg); font-weight: 650; margin-top: var(--space-12); margin-bottom: var(--space-4); }
.legal-body h2:first-child { margin-top: 0; }
.legal-body h3 { font-size: var(--text-base); font-weight: 650; margin-top: var(--space-8); margin-bottom: var(--space-3); }
.legal-body p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.legal-body ul, .legal-body ol { margin-bottom: var(--space-4); padding-left: var(--space-6); color: var(--color-text-muted); }
.legal-body li { margin-bottom: var(--space-2); }
.legal-body a { color: var(--color-primary); text-decoration: underline; text-decoration-color: color-mix(in oklab, var(--color-primary) 40%, transparent); }
.legal-body strong { color: var(--color-text); }

.toc {
  background: var(--color-surface-2); border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  padding: var(--space-6); margin-bottom: var(--space-10);
}
.toc p { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-3); }
.toc ol { list-style: decimal; padding-left: var(--space-5); margin-bottom: 0; }
.toc a { color: var(--color-text); text-decoration: none; font-size: var(--text-sm); }
.toc a:hover { color: var(--color-primary); }

/* ===== Contact ===== */
.contact-card {
  background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  padding: var(--space-10); max-width: var(--content-narrow); margin-top: var(--space-8);
}
.contact-card a.email { font-size: var(--text-xl); font-weight: 650; color: var(--color-primary); text-decoration: none; font-family: var(--font-display); }
.contact-card a.email:hover { color: var(--color-primary-hover); }
.contact-card p { color: var(--color-text-muted); margin-top: var(--space-4); }