/**
 * KM Technolabs Design System ? Typography
 * Primary: Poppins | Fallback: Montserrat
 */

:root {
  --font-primary: "Poppins", "Montserrat", system-ui, -apple-system, sans-serif;
  --font-display: "Poppins", "Montserrat", system-ui, sans-serif;

  /* Scale */
  --text-xs: 0.75rem;     /* 12 */
  --text-sm: 0.875rem;    /* 14 */
  --text-base: 1rem;      /* 16 */
  --text-lg: 1.125rem;    /* 18 */
  --text-xl: 1.25rem;     /* 20 */
  --text-2xl: 1.5rem;     /* 24 */
  --text-3xl: 1.875rem;   /* 30 */
  --text-4xl: 2.25rem;    /* 36 */
  --text-5xl: 3rem;       /* 48 */
  --text-6xl: 3.75rem;    /* 60 */
  --text-7xl: 4.5rem;     /* 72 */

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.04em;
  --tracking-wider: 0.08em;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Radius */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 30px;
  --radius-full: 9999px;

  /* Layout */
  --container: 1180px;
  --container-wide: 1320px;
  --header-h: 80px;
  --section-y: clamp(64px, 8vw, 112px);
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
  margin: 0;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 600; }
h6 { font-size: var(--text-base); font-weight: 600; }

p {
  margin: 0;
  color: var(--text-light);
  line-height: var(--leading-relaxed);
}

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

a:hover { color: var(--primary-dark); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--primary);
}

.lead {
  font-size: var(--text-lg);
  color: var(--text-light);
  max-width: 640px;
  line-height: var(--leading-relaxed);
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-green { color: var(--primary); }
.text-indigo { color: var(--secondary); }
.text-white { color: var(--text-inverse); }
.text-muted { color: var(--text-muted); }

.fw-300 { font-weight: 300; }
.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }