/* GRUVAS brand tokens, extracted from gruvas.com live stylesheet */
:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.3vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.1vw, 2.1rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.4vw, 3.4rem);
  --text-3xl: clamp(2.5rem, 1.3rem + 3.6vw, 4.25rem);

  /* 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;
  --space-32: 8rem;

  /* Radius - squared to match gruvas.com */
  --radius-sm: 0px; --radius-md: 0px; --radius-lg: 2px;
  --radius-xl: 3px;  --radius-full: 9999px;

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1080px;
  --content-wide: 1440px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: 'Montserrat', 'Helvetica Neue', system-ui, sans-serif;
  --font-body: 'Montserrat', 'Helvetica Neue', system-ui, sans-serif;

  --shadow-sm: 0 1px 2px rgba(15, 35, 56, 0.06);
  --shadow-md: 0 6px 20px rgba(15, 35, 56, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 35, 56, 0.13);
}

/* ---------- LIGHT MODE (gruvas.com palette) ---------- */
:root, [data-theme="light"] {
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #f7f9fb;
  --color-surface-offset: #eef2f5;
  --color-divider: #e2e8ee;
  --color-border: #d5dde5;

  --color-text: #0d1b2a;         /* GRUVAS navy */
  --color-text-muted: #4a5a6a;
  --color-text-faint: #8394a3;
  --color-text-inverse: #f3f7fc;

  --color-primary: #30657b;       /* GRUVAS teal */
  --color-primary-hover: #27546a;
  --color-primary-active: #1f4353;
  --color-primary-soft: #e6eef2;

  --color-navy: #0d1b2a;          /* GRUVAS deep navy */
  --color-navy-2: #12283c;

  --color-verified: #2e7d5b;
  --color-verified-soft: #e2f2ea;
  --color-progress: #b8860b;
  --color-progress-soft: #f7efd8;
  --color-research: #5b6672;
  --color-research-soft: #eceff3;
}

/* ---------- DARK MODE ---------- */
[data-theme="dark"] {
  --color-bg: #0b1622;
  --color-surface: #10202f;
  --color-surface-2: #142838;
  --color-surface-offset: #16304b;
  --color-divider: #1d344b;
  --color-border: #26425e;

  --color-text: #dce6f1;
  --color-text-muted: #94a7bc;
  --color-text-faint: #64788e;
  --color-text-inverse: #0b1622;

  --color-primary: #5f9fb8;
  --color-primary-hover: #7db3c8;
  --color-primary-active: #9ac7d7;
  --color-primary-soft: #16303c;

  --color-navy: #060f18;
  --color-navy-2: #0d1b2a;

  --color-verified: #5cbf93;
  --color-verified-soft: #16352a;
  --color-progress: #e0b64a;
  --color-progress-soft: #35300f;
  --color-research: #9aa8b8;
  --color-research-soft: #1a2c3d;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 48px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0b1622; --color-surface: #10202f; --color-surface-2: #142838;
    --color-surface-offset: #16304b; --color-divider: #1d344b; --color-border: #26425e;
    --color-text: #dce6f1; --color-text-muted: #94a7bc; --color-text-faint: #64788e;
    --color-text-inverse: #0b1622; --color-primary: #5f9fb8; --color-primary-hover: #7db3c8;
    --color-primary-active: #9ac7d7; --color-primary-soft: #16303c; --color-navy: #060f18;
    --color-navy-2: #0d1b2a; --color-verified: #5cbf93; --color-verified-soft: #16352a;
    --color-progress: #e0b64a; --color-progress-soft: #35300f; --color-research: #9aa8b8;
    --color-research-soft: #1a2c3d;
  }
}

/* ============================================================
   BASE
   ============================================================ */
*, *::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;
  scroll-padding-top: 6rem;
}

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);
  transition: background-color .3s ease, color .3s ease;
}

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

h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.15; color: var(--color-text); letter-spacing: 0; font-weight: 600; }
p, li { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }

::selection { background: rgba(48,101,123,0.25); 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: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

a, button, [role="button"], input, textarea, select {
  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:0; }

/* ============================================================
   LAYOUT
   ============================================================ */
.wrap { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-6); }
.wrap--default { max-width: var(--content-default); }
.wrap--narrow { max-width: var(--content-narrow); }
section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section-tight { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }

.eyebrow {
  display: inline-block; font-size: var(--text-xs); font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-primary);
  margin-bottom: var(--space-4);
}
/* gruvas.com centered "- LABEL -" eyebrow treatment */
.eyebrow--dashed::before { content: "– "; }
.eyebrow--dashed::after { content: " –"; }
.section-head { max-width: 52rem; margin-bottom: var(--space-12); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: var(--text-2xl); font-family: var(--font-display); font-weight: 600; }
.section-head p { margin-top: var(--space-4); font-size: var(--text-lg); color: var(--color-text-muted); }
.lede { font-size: var(--text-lg); color: var(--color-text-muted); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-4) var(--space-8); border-radius: 0;
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  border: 1.5px solid transparent; white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn--primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }