/* ============================================================
   MATHIOPIA LABS — STYLESHEET v2.0
   Spectral + Inter + DM Mono
   Design System: Unorthodox. Engineered for professionals.
   ============================================================ */

/* ── IMPORTS ── */
@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Inter:wght@300;400;500&family=DM+Mono:wght@300;400&display=swap');

/* ── TOKENS ── */
:root {
  /* Dark layers */
  --layer-0: #090909;
  --layer-1: #0e0e0e;
  --layer-2: #131313;
  --layer-3: #181818;
  --layer-4: #1f1f1f;

  /* Green system */
  --green:        #1e6b45;
  --green-bright: #256b47;
  --green-dim:    rgba(30,107,69,0.12);
  --green-border: rgba(30,107,69,0.25);

  /* Border */
  --border:     rgba(255,255,255,0.06);
  --border-mid: rgba(255,255,255,0.10);
  --border-hi:  rgba(255,255,255,0.16);

  /* Type colors — contrast safe */
  --white:          #ffffff;
  --offwhite:       #f4f3ef;
  --text-primary:   #f4f3ef;
  --text-body:      rgba(244,243,239,0.80);
  --text-secondary: rgba(244,243,239,0.55);
  --text-ghost:     rgba(244,243,239,0.20);

  /* Fonts */
  --font-serif: 'Spectral', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;
  --font-mono:  'DM Mono', 'Courier New', monospace;

  /* Spacing */
  --nav-h: 60px;
  --section-pad: 120px 64px;
  --section-pad-sm: 80px 32px;
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; }
a { text-decoration: none; color: inherit; }

/* ── BASE ── */
body {
  background: var(--layer-1);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── GRID BACKGROUND ── */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  pointer-events: none;
  z-index: 0;
}

.grid-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(30,107,69,0.18) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
  z-index: 0;
}

.glow-main {
  position: absolute;
  top: -100px;
  right: -60px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(30,107,69,0.13) 0%, rgba(30,107,69,0.04) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.glow-secondary {
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30,107,69,0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ── NAVIGATION ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(9,9,9,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 48px;
  gap: 48px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-logo-name {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
}

.nav-logo-name span {
  color: var(--green-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0 20px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: color 0.2s;
  border-left: 1px solid var(--border);
}
.nav-link:last-of-type { border-right: 1px solid var(--border); }
.nav-link:hover { color: var(--white); }
.nav-link.active { color: var(--white); }

.nav-cta {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--white);
  background: var(--green);
  padding: 10px 22px;
  margin-left: 32px;
  transition: background 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--green-bright); }

/* ── TYPE SCALE ── */

/* Labels — DM Mono */
.label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-bright);
  display: flex;
  align-items: center;
  gap: 12px;
}
.label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--green-bright);
  flex-shrink: 0;
}
.label.no-line::before { display: none; }

/* Display */
.t-display {
  font-family: var(--font-serif);
  font-size: clamp(54px, 6.5vw, 86px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--white);
}
.t-display em {
  font-style: italic;
  color: var(--text-secondary);
}

/* H1 */
.t-h1 {
  font-family: var(--font-serif);
  font-size: clamp(38px, 4.5vw, 58px);
  font-weight: 300;
  line-height: 1.10;
  letter-spacing: -0.018em;
  color: var(--white);
}
.t-h1 em { font-style: italic; color: var(--text-secondary); }

/* H2 */
.t-h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--white);
}

/* H3 */
.t-h3 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.008em;
  color: var(--white);
}

/* Body Large */
.t-body-lg {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-body);
}
.t-body-lg strong { font-weight: 400; color: var(--offwhite); }

/* Body */
.t-body {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.80;
  color: var(--text-body);
}
.t-body strong { font-weight: 400; color: var(--offwhite); }

/* Small */
.t-small {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* Mono detail */
.t-mono {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 15px 30px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--green-bright);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.05em;
  padding: 14px 29px;
  border: 1px solid var(--border-mid);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-ghost:hover {
  border-color: var(--border-hi);
  color: var(--white);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}
.btn-text:hover { color: var(--white); }

/* ── BADGES ── */
.badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 11px;
  display: inline-block;
}
.badge-live {
  background: var(--green-dim);
  color: var(--green-bright);
  border: 1px solid var(--green-border);
}
.badge-next {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-mid);
}
.badge-planned {
  background: transparent;
  color: var(--text-ghost);
  border: 1px solid var(--border);
}

/* ── SECTIONS ── */
.section {
  padding: var(--section-pad);
  position: relative;
}

.section-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 72px;
}

.section-header .label {
  margin-bottom: 24px;
}

/* ── DIVIDER ── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 100px) 64px 100px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 840px;
}

.hero-label {
  margin-bottom: 36px;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(54px, 6.5vw, 86px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--white);
  margin-bottom: 28px;
}
.hero-headline em {
  font-style: italic;
  color: var(--text-secondary);
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-body);
  max-width: 480px;
  margin-bottom: 52px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-stamp {
  position: absolute;
  bottom: 52px;
  right: 64px;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.06em;
  color: var(--text-ghost);
  z-index: 1;
}

/* ── CARDS ── */
.card {
  background: var(--layer-3);
  border: 1px solid var(--border);
  padding: 44px 40px;
  transition: background 0.25s, border-color 0.25s;
}
.card:hover {
  background: var(--layer-4);
  border-color: var(--border-mid);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-ghost);
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 300;
  letter-spacing: -0.008em;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.2;
}

.card-body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.78;
  color: var(--text-body);
  margin-bottom: 28px;
}

/* ── PILLAR CARDS ── */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.pillar {
  background: var(--layer-2);
  padding: 52px 44px;
  transition: background 0.25s;
}
.pillar:hover { background: var(--layer-3); }

.pillar-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  color: var(--green-bright);
  margin-bottom: 24px;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.pillar-body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.78;
  color: var(--text-body);
}

/* ── PRODUCT BLOCK ── */
.product-block {
  background: var(--layer-2);
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: 500px;
}

.product-block-main {
  padding: 64px 56px;
  border-right: 1px solid var(--border);
}

.product-block-side {
  padding: 64px 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--layer-3);
}

.product-series {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--green-bright);
  margin-bottom: 20px;
}

.product-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 300;
  letter-spacing: -0.015em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}

.product-desc {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.80;
  color: var(--text-body);
  max-width: 520px;
  margin-bottom: 40px;
}

.product-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.product-stat-value {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  letter-spacing: -0.015em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}

.product-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.product-price {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}

.product-price-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ── ROADMAP ── */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.roadmap-card {
  background: var(--layer-2);
  padding: 44px 36px;
  transition: background 0.25s;
}
.roadmap-card:hover { background: var(--layer-3); }
.roadmap-card.active { background: var(--layer-3); border-left: 2px solid var(--green); }

.roadmap-series {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--text-ghost);
  margin-bottom: 16px;
}

.roadmap-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 12px;
}

.roadmap-desc {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ── SECTIONS LIST ── */
.sections-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.section-item {
  background: var(--layer-2);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  align-items: start;
  transition: background 0.25s;
}
.section-item:hover { background: var(--layer-3); }

.section-item-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-bright);
  padding-top: 4px;
}

.section-item-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: -0.005em;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 8px;
}

.section-item-body {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-body);
}

/* ── DELIVERABLES ── */
.deliverables {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 1px;
}

.deliverable {
  background: var(--layer-3);
  padding: 44px 40px;
}

.deliverable-icon {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--green-bright);
  margin-bottom: 20px;
}

.deliverable-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 300;
  letter-spacing: -0.008em;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 12px;
}

.deliverable-body {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-body);
}

.deliverable-full {
  background: var(--layer-3);
  border: 1px solid var(--border);
  padding: 44px 40px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: center;
}

/* ── STORY SECTION ── */
.story-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.story-grid:last-child { border-bottom: none; }

.story-label {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--white);
  line-height: 1.15;
  padding-top: 4px;
}

.story-body {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-body);
  max-width: 580px;
}

/* ── CONTACT CARDS ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 1px;
}

.contact-card {
  background: var(--layer-2);
  padding: 52px 48px;
  transition: background 0.25s;
}
.contact-card:hover { background: var(--layer-3); }

.contact-card-type {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--green-bright);
  margin-bottom: 20px;
}

.contact-card-value {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 12px;
}

.contact-card-desc {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-secondary);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.info-item {
  background: var(--layer-2);
  padding: 40px 44px;
}

.info-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-ghost);
  margin-bottom: 14px;
}

.info-value {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-body);
}

/* ── FOOTER ── */
.footer {
  padding: 60px 64px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
}
.footer-name span { color: var(--green-bright); }

.footer-tagline {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--text-ghost);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--white); }

.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  color: var(--text-ghost);
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  grid-column: 1 / -1;
}

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }
.fade-up.delay-5 { transition-delay: 0.5s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .product-block { grid-template-columns: 1fr; }
  .product-block-main { border-right: none; border-bottom: 1px solid var(--border); }
  .product-block-side { padding: 48px 40px; }
  .pillars { grid-template-columns: 1fr; }
  .sections-list { grid-template-columns: 1fr; }
  .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
  .deliverables { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 72px 24px; }

  .nav { padding: 0 24px; gap: 0; }
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }

  .hero { padding: calc(var(--nav-h) + 64px) 24px 72px; }
  .hero-stamp { display: none; }

  .roadmap-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; gap: 24px; }

  .footer { grid-template-columns: 1fr; gap: 24px; }
  .footer-links { flex-wrap: wrap; gap: 20px; }

  .product-stats { flex-wrap: wrap; gap: 24px; }
}