/* Torevo — Material 3 design tokens & utilities */
/* v0.1 — May 2026 */

:root {
  /* Brand primary (Torevo signature — deep emerald) */
  --m3-primary: #1A4D3E;
  --m3-on-primary: #FFFFFF;
  --m3-primary-container: #B5EBD2;
  --m3-on-primary-container: #002113;

  /* Secondary — warm saffron accent (India touch) */
  --m3-secondary: #B45309;
  --m3-on-secondary: #FFFFFF;
  --m3-secondary-container: #FEF3C7;
  --m3-on-secondary-container: #451A03;

  /* Surfaces (M3 elevation) */
  --m3-surface: #FBFDF9;
  --m3-surface-dim: #DBDDD8;
  --m3-surface-bright: #FBFDF9;
  --m3-surface-container-lowest: #FFFFFF;
  --m3-surface-container-low: #F5F7F3;
  --m3-surface-container: #EFF1ED;
  --m3-surface-container-high: #E9EBE7;
  --m3-surface-container-highest: #E3E5E2;
  --m3-on-surface: #181D1B;
  --m3-on-surface-variant: #404944;
  --m3-outline: #707974;
  --m3-outline-variant: #C0C9C3;

  /* States */
  --m3-error: #BA1A1A;
  --m3-success: #1A7F37;

  /* Per-product accents */
  --product-karya: #1565C0;     /* HR — structured blue */
  --product-rasa: #E76F51;      /* F&B — warm saffron-coral */
  --product-mise: #0F766E;      /* ERP — operations teal */
  --product-lekha: #6750A4;     /* Tax — precision purple */
  --product-pulse: #DB2777;     /* CRM — relationships pink */
  --product-drishti: #4338CA;   /* Insight — indigo */

  /* Typography */
  --font-display: 'Inter', 'Roboto Flex', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Shape (M3) */
  --shape-xs: 4px;
  --shape-sm: 8px;
  --shape-md: 12px;
  --shape-lg: 16px;
  --shape-xl: 28px;
  --shape-full: 9999px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--m3-surface);
  color: var(--m3-on-surface);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* === Typography (M3 scale) === */
.display-lg { font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1.05; letter-spacing: -0.025em; font-weight: 600; }
.display-md { font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.1; letter-spacing: -0.02em; font-weight: 600; }
.headline-lg { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; letter-spacing: -0.015em; font-weight: 600; }
.headline-md { font-size: 1.5rem; line-height: 1.25; font-weight: 600; }
.title-lg { font-size: 1.125rem; font-weight: 600; line-height: 1.4; }
.title-md { font-size: 1rem; font-weight: 600; line-height: 1.4; }
.body-lg { font-size: 1.0625rem; line-height: 1.6; }
.body-md { font-size: 1rem; line-height: 1.55; }
.label-md { font-size: 0.875rem; font-weight: 500; letter-spacing: 0.01em; }
.label-sm { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }

/* === Layout === */
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container-sm { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 24px; }

.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
@media (max-width: 768px) { .section { padding: 64px 0; } .section-sm { padding: 48px 0; } }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* === Navbar === */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 253, 249, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--m3-outline-variant);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.125rem; letter-spacing: -0.01em; }
.nav-brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--m3-primary) 0%, #2E7D5B 100%);
  display: inline-flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.875rem;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 0.9375rem; color: var(--m3-on-surface-variant); transition: color 0.15s; }
.nav-links a:hover { color: var(--m3-on-surface); }
.nav-mobile-btn { display: none; background: none; border: none; padding: 8px; cursor: pointer; }
@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-mobile-btn { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 64px; left: 0; right: 0; background: var(--m3-surface);
    padding: 24px; gap: 16px; border-bottom: 1px solid var(--m3-outline-variant);
  }
}

/* === Buttons (M3) === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--shape-full);
  font-size: 0.9375rem; font-weight: 500; letter-spacing: 0.01em;
  border: none; cursor: pointer; transition: all 0.2s;
  font-family: inherit; text-decoration: none; white-space: nowrap;
}
.btn-filled { background: var(--m3-primary); color: var(--m3-on-primary); }
.btn-filled:hover { background: #14402F; box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); }
.btn-tonal { background: var(--m3-primary-container); color: var(--m3-on-primary-container); }
.btn-tonal:hover { background: #A1DEC2; }
.btn-outlined { background: transparent; color: var(--m3-primary); border: 1px solid var(--m3-outline); }
.btn-outlined:hover { background: var(--m3-surface-container); }
.btn-text { background: transparent; color: var(--m3-primary); padding: 12px 16px; }
.btn-text:hover { background: var(--m3-surface-container); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

/* === Cards === */
.card {
  background: var(--m3-surface-container-low);
  border-radius: var(--shape-lg);
  padding: 28px;
  border: 1px solid var(--m3-outline-variant);
  transition: all 0.2s;
}
.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  border-color: var(--m3-outline);
}
.card-elevated {
  background: var(--m3-surface-container-lowest);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  border: none;
}

/* === Hero === */
.hero { padding: 96px 0 64px; position: relative; overflow: hidden; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: var(--shape-full);
  background: var(--m3-primary-container);
  color: var(--m3-on-primary-container);
  font-size: 0.8125rem; font-weight: 500; margin-bottom: 24px;
}
.hero-title { margin: 0 0 24px; max-width: 880px; }
.hero-sub { font-size: 1.25rem; color: var(--m3-on-surface-variant); max-width: 680px; margin-bottom: 40px; line-height: 1.55; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 768px) { .hero-sub { font-size: 1.0625rem; } }

/* === Product card (homepage grid) === */
.product-card {
  background: var(--m3-surface-container-lowest);
  border-radius: var(--shape-lg);
  padding: 32px;
  border: 1px solid var(--m3-outline-variant);
  display: flex; flex-direction: column; gap: 16px;
  transition: all 0.2s; height: 100%;
}
.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
  border-color: transparent;
}
.product-card-mark {
  width: 48px; height: 48px; border-radius: var(--shape-md);
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 1.125rem;
}
.product-card-tagline { color: var(--m3-on-surface-variant); font-size: 0.9375rem; flex-grow: 1; }
.product-card-cta { display: inline-flex; align-items: center; gap: 6px; color: var(--m3-primary); font-weight: 500; font-size: 0.9375rem; }
.product-card-cta::after { content: '→'; transition: transform 0.2s; }
.product-card:hover .product-card-cta::after { transform: translateX(4px); }
.product-card-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; font-weight: 500; padding: 4px 10px;
  border-radius: var(--shape-full); background: var(--m3-surface-container);
  color: var(--m3-on-surface-variant); align-self: flex-start;
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* === Feature list === */
.feature-list { display: grid; gap: 20px; margin: 0; padding: 0; list-style: none; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-check {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  background: var(--m3-primary-container);
  color: var(--m3-on-primary-container);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem; font-weight: 700;
}

/* === Pricing === */
.pricing-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; } }
.pricing-card {
  background: var(--m3-surface-container-lowest);
  border-radius: var(--shape-lg);
  padding: 32px;
  border: 1px solid var(--m3-outline-variant);
  display: flex; flex-direction: column; gap: 16px;
}
.pricing-card.featured {
  border: 2px solid var(--m3-primary);
  position: relative;
}
.pricing-card.featured::before {
  content: 'Most popular';
  position: absolute; top: -12px; left: 32px;
  background: var(--m3-primary); color: white;
  padding: 4px 12px; border-radius: var(--shape-full);
  font-size: 0.75rem; font-weight: 500;
}
.pricing-price { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.pricing-period { font-size: 1rem; color: var(--m3-on-surface-variant); font-weight: 400; }
.pricing-features { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 12px; }
.pricing-features li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9375rem; }
.pricing-features li::before { content: '✓'; color: var(--m3-primary); font-weight: 700; flex-shrink: 0; }

/* === Footer === */
.footer { background: var(--m3-surface-container); padding: 64px 0 32px; margin-top: 96px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--m3-on-surface-variant); margin: 0 0 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { font-size: 0.9375rem; color: var(--m3-on-surface-variant); transition: color 0.15s; }
.footer-col a:hover { color: var(--m3-on-surface); }
.footer-bottom { border-top: 1px solid var(--m3-outline-variant); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 0.875rem; color: var(--m3-on-surface-variant); }

/* === Utility === */
.text-center { text-align: center; }
.text-muted { color: var(--m3-on-surface-variant); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.mt-0 { margin-top: 0; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* === Product-tinted backgrounds === */
.bg-karya-tint { background: linear-gradient(180deg, rgba(21,101,192,0.06) 0%, transparent 100%); }
.bg-rasa-tint { background: linear-gradient(180deg, rgba(231,111,81,0.06) 0%, transparent 100%); }
.bg-mise-tint { background: linear-gradient(180deg, rgba(15,118,110,0.06) 0%, transparent 100%); }
.bg-lekha-tint { background: linear-gradient(180deg, rgba(103,80,164,0.06) 0%, transparent 100%); }
.bg-pulse-tint { background: linear-gradient(180deg, rgba(219,39,119,0.06) 0%, transparent 100%); }
.bg-drishti-tint { background: linear-gradient(180deg, rgba(67,56,202,0.06) 0%, transparent 100%); }