@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-ExtraLight.ttf') format('truetype'); font-weight: 200; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-Light.ttf') format('truetype'); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-Regular.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-Medium.ttf') format('truetype'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-DemiBold.ttf') format('truetype'); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-Bold.ttf') format('truetype'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-ExtraBold.ttf') format('truetype'); font-weight: 800; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-Black.ttf') format('truetype'); font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'TT Firs Neue'; src: url('fonts/TTFirsNeue-Italic.ttf') format('truetype'); font-weight: 400; font-style: italic; font-display: swap; }


:root {
  /* Color — palette from augment.org */
  --black: #000000;
  --ink: #1a1a1a;
  --ink-soft: #595959;
  --muted: #afb0b1;
  --line: rgba(26, 26, 26, 0.15);
  --surface: #f3f4f6;
  --surface-2: #f5f5f5;
  --white: #ffffff;
  --accent: #d6fd3a;          /* lime — primary CTA, highlights */
  --accent-hover: #e4ff6b;
  --accent-ink: #000000;

  /* Glass */
  --glass-dark-bg: rgba(255, 255, 255, 0.07);
  --glass-dark-border: rgba(255, 255, 255, 0.16);
  --glass-light-bg: rgba(255, 255, 255, 0.55);
  --glass-light-border: rgba(255, 255, 255, 0.8);
  --glass-blur: 22px;

  /* Type */
  --font-display: 'TT Firs Neue', 'Helvetica Neue', Arial, sans-serif;
  --font-sans: 'TT Firs Neue', 'Helvetica Neue', Arial, sans-serif;

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 28px;
  --r-pill: 56px;

  /* Spacing (4px base) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px;

  --container: 1200px;
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.18);
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body { margin: 0; font-family: var(--font-sans); color: var(--ink); background: var(--white); line-height: 1.5; }

/* Type scale */
.display { font-family: var(--font-display); font-weight: 600; text-transform: uppercase; font-size: clamp(52px, 8vw, 104px); line-height: .95; letter-spacing: -0.02em; }
.h1 { font-family: var(--font-sans); font-weight: 400; font-size: clamp(40px, 6vw, 68px); line-height: 1.2; letter-spacing: -0.03em; }
.h2 { font-weight: 400; font-size: clamp(32px, 4vw, 44px); line-height: 1.18; letter-spacing: -0.03em; }
.h3 { font-weight: 500; font-size: 24px; line-height: 1.25; letter-spacing: -0.02em; }
.lead { font-size: 20px; line-height: 1.4; }
.body { font-size: 16px; }
.small { font-size: 14px; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 16px 28px; border-radius: var(--r-pill); border: 1px solid var(--black); font: 500 14px var(--font-sans); text-transform: uppercase; letter-spacing: .06em; cursor: pointer; text-decoration: none; transition: transform .15s, background .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--black); color: var(--accent); border-color: var(--black); }
.dark .btn-primary:hover, .header .btn-primary:hover, .hero .btn-primary:hover, .mission .btn-primary:hover, .glass-dark .btn-primary:hover { background: var(--white); color: var(--black); border-color: var(--white); }
.btn-secondary { background: var(--white); color: var(--black); }
.btn-secondary:hover { background: var(--accent); }
.btn-ghost-dark { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-ghost-dark:hover { background: var(--white); color: var(--black); border-color: var(--white); }
.btn-glass { background: var(--glass-dark-bg); color: var(--white); border-color: var(--glass-dark-border); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); }
.btn-glass:hover { background: var(--accent); color: var(--black); border-color: var(--accent); }

/* Glass surfaces */
.glass-dark { background: var(--glass-dark-bg); border: 1px solid var(--glass-dark-border); backdrop-filter: blur(var(--glass-blur)) saturate(140%); -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%); border-radius: var(--r-lg); color: var(--white); }
.glass-light { background: var(--glass-light-bg); border: 1px solid var(--glass-light-border); backdrop-filter: blur(var(--glass-blur)) saturate(160%); -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%); border-radius: var(--r-lg); color: var(--ink); }

/* Cards */
.card { background: var(--surface); border-radius: var(--r-lg); padding: var(--s-6); }

/* Badge */
.badge { display: inline-flex; padding: 6px 12px; border-radius: var(--r-pill); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.badge-accent { background: var(--accent); color: var(--black); }
.badge-outline { border: 1px solid currentColor; }

/* Input */
.input { width: 100%; padding: 16px 20px; border-radius: var(--r-pill); border: 1px solid var(--line); background: var(--white); font: 400 16px var(--font-sans); color: var(--ink); }
.input:focus { outline: 2px solid var(--accent); outline-offset: 2px; border-color: var(--black); }
.input-glass { background: rgba(255,255,255,.08); border-color: var(--glass-dark-border); color: var(--white); }
.input-glass::placeholder { color: rgba(255,255,255,.55); }