/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #0a0a0a;
  --gray:       #6b7280;
  --gray-light: #9ca3af;
  --border:     #e5e7eb;
  --surface:    #f8f8f6;
  --green:      #3a7d44;
  --white:      #F2F2F2;

  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans:  'Satoshi', system-ui, sans-serif;
  --font-mono:  'Geist Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 20px;
}

.eyebrow-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}

.mantle-logo {
  height: 22px;
  width: auto;
  opacity: 0.75;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.section-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.section-sub { font-size: 1rem; color: var(--gray); max-width: 600px; line-height: 1.7; }
.text-green { color: var(--green); }

.inline-code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
}

/* ─── Buttons ───────────────────────────────────────────────────────────────── */
.btn-primary, .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: opacity 0.15s, background 0.15s, border-color 0.15s;
  cursor: pointer;
}

.btn-primary { background: var(--green); color: var(--white); border: 1px solid var(--green); }
.btn-primary:hover { opacity: 0.85; }

.btn-outline { background: transparent; color: var(--black); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--black); }

.btn-sm { padding: 7px 16px; font-size: 12px; }
.btn-lg { padding: 13px 28px; font-size: 14px; }

/* ─── Nav ───────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(240, 240, 240, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.logo-mark {
  height: 28px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--black);
  letter-spacing: 0.02em;
}

.nav-links { display: flex; align-items: center; gap: 32px; flex: 1; }

.nav-link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  transition: color 0.15s;
}
.nav-link:hover { color: var(--black); }

/* ─── Hero ──────────────────────────────────────────────────────────────────── */
.hero { padding: 80px 0 64px; border-bottom: 1px solid var(--border); }

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.hero-headline { font-size: clamp(2.8rem, 5vw, 4.2rem); line-height: 1.1; margin-bottom: 20px; }

.hero-sub { font-size: 1.05rem; color: var(--gray); line-height: 1.7; margin-bottom: 36px; max-width: 460px; }

.hero-stats {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 36px;
  max-width: 480px;
}

.stat { flex: 1; padding: 16px 20px; text-align: center; }
.stat:not(:last-child) { border-right: 1px solid var(--border); }

.stat-val {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--black);
  line-height: 1;
  margin-bottom: 5px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-actions { display: flex; align-items: center; gap: 12px; }

.hero-visual { display: flex; flex-direction: column; gap: 10px; }

.lottie-wrap {
  width: 115%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: transparent;
}

.hero-visual-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-light);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ─── Sections ──────────────────────────────────────────────────────────────── */
.section { padding: 100px 0; border-bottom: 1px solid var(--border); }
.section-tinted { background: var(--surface); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ─── How It Works ──────────────────────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: flex-start;
  margin-top: 56px;
  gap: 0;
}

.step {
  flex: 1;
  padding: 32px 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.step-title { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 400; margin-bottom: 10px; }
.step-desc { font-size: 0.875rem; color: var(--gray); line-height: 1.65; }

.step-arrow {
  width: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 56px;
}

.step-arrow::after {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--border);
}

/* ─── Returns ───────────────────────────────────────────────────────────────── */
.returns-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }

.plant-specs {
  margin-top: 36px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.spec-row { display: flex; gap: 16px; padding: 12px 20px; border-bottom: 1px solid var(--border); }
.spec-row:last-child { border-bottom: none; }

.spec-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  min-width: 140px;
  flex-shrink: 0;
  padding-top: 2px;
}

.spec-val { font-family: var(--font-mono); font-size: 13px; color: var(--black); }

.yield-card { border: 1px solid var(--border); border-radius: 6px; padding: 32px; }

.yc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }

.yc-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.yc-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.yc-bars { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.yc-bar-row { display: flex; align-items: center; gap: 12px; }

.yc-bar-label { font-family: var(--font-mono); font-size: 11px; color: var(--gray); min-width: 130px; flex-shrink: 0; }
.yc-bar-track { flex: 1; height: 5px; background: var(--border); border-radius: 3px; overflow: hidden; }
.yc-bar-fill { height: 100%; background: var(--black); border-radius: 3px; }
.yc-usdy { background: var(--green); opacity: 0.6; }
.yc-total { background: var(--green); }

.yc-bar-pct { font-family: var(--font-mono); font-size: 13px; font-weight: 500; min-width: 44px; text-align: right; }
.yc-total-row .yc-bar-label { color: var(--black); }

.yc-sep { height: 1px; background: var(--border); margin-bottom: 24px; }

.yc-sim-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.yc-sim-rows { display: flex; flex-direction: column; gap: 10px; }

.yc-sim-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray);
}

.yc-sim-val { color: var(--black); }
.yc-highlight .yc-sim-val { color: var(--green); }

/* ─── AI Agent ──────────────────────────────────────────────────────────────── */
.agent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 56px; }
.agent-states { display: flex; flex-direction: column; }

.agent-state {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.agent-state:first-child { border-top: 1px solid var(--border); }
.as-active { background: transparent; }

.as-num { font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--gray-light); min-width: 28px; flex-shrink: 0; padding-top: 2px; }
.as-body { flex: 1; }
.as-name { font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--black); margin-bottom: 4px; letter-spacing: 0.04em; }
.as-desc { font-size: 0.875rem; color: var(--gray); line-height: 1.6; }

.as-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
  align-self: flex-start;
  margin-top: 2px;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.agent-log {
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.al-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.al-title { font-family: var(--font-mono); font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }

.al-live { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 10px; color: var(--green); }

.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }

.al-feed { flex: 1; min-height: 280px; padding: 16px 18px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }

.al-placeholder { font-family: var(--font-mono); font-size: 12px; color: var(--gray-light); text-align: center; margin: auto; line-height: 1.6; }

.al-event {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.al-event-action { font-family: var(--font-mono); font-size: 12px; font-weight: 500; color: var(--green); margin-bottom: 2px; }
.al-event-meta { font-family: var(--font-mono); font-size: 11px; color: var(--gray-light); }

.al-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-light);
  line-height: 1.5;
  background: var(--surface);
}

/* ─── Contracts ─────────────────────────────────────────────────────────────── */
.contracts-table { margin-top: 48px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }

.ct-row {
  display: grid;
  grid-template-columns: 180px 1fr 130px 60px;
  padding: 13px 24px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  gap: 16px;
}

.ct-row:last-child { border-bottom: none; }

.ct-head {
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-light);
}

.ct-name { font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--black); }
.ct-desc { font-size: 13px; color: var(--gray); }
.ct-addr { font-family: var(--font-mono); font-size: 12px; color: var(--gray-light); }

.ct-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 3px 8px;
  border-radius: 3px;
  transition: background 0.15s, color 0.15s;
  text-align: center;
}

.ct-link:hover { background: var(--green); color: var(--white); }

.security-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.sec-item {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray);
  line-height: 1.5;
  border-right: 1px solid var(--border);
}

.sec-item:last-child { border-right: none; }

.sec-item::before {
  content: '';
  display: block;
  width: 14px;
  height: 2px;
  background: var(--green);
  margin-bottom: 8px;
}

/* ─── Roadmap ───────────────────────────────────────────────────────────────── */
.roadmap { display: flex; align-items: flex-start; margin-top: 56px; }

.rm-phase {
  flex: 1;
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.rm-active { border-color: var(--green); }

.rm-dot { width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--border); margin-bottom: 14px; }
.rm-dot-active { background: var(--green); border-color: var(--green); }

.rm-num { font-family: var(--font-mono); font-size: 10px; color: var(--gray-light); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; }
.rm-title { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 400; margin-bottom: 10px; }
.rm-desc { font-size: 0.875rem; color: var(--gray); line-height: 1.65; margin-bottom: 14px; }

.rm-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.rm-line { width: 28px; flex-shrink: 0; display: flex; align-items: center; margin-top: 52px; }
.rm-line::after { content: ''; display: block; width: 100%; height: 1px; background: var(--border); }

/* ─── CTA ───────────────────────────────────────────────────────────────────── */
.cta-section { background: var(--surface); }
.cta-box { max-width: 620px; margin: 0 auto; text-align: center; }
.cta-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.cta-sub { color: var(--gray); line-height: 1.7; margin-bottom: 36px; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 24px; }
.cta-disclaimer { font-family: var(--font-mono); font-size: 10px; color: var(--gray-light); letter-spacing: 0.04em; }

/* ─── Mega-footer (CTA + footer merged) ─────────────────────────────────────── */
/* Section height = image natural height: 2570 × 1343 px → ratio 1343/2570      */
.mega-footer {
  position: relative;
  overflow: hidden;
  aspect-ratio: 2570 / 1343;
}

/* footermain.png fills the entire section */
.mf-bg {
  position: absolute;
  inset: 0;
  background: url('/footermain.png') top center / cover no-repeat;
  z-index: 0;
}

/* shared base for both text layers */
.mf-behind,
.mf-front {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 820px;
  text-align: center;
  padding-left: 32px;
  padding-right: 32px;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

/* line 1 - behind the overlay */
.mf-behind {
  padding-top: 17%;
  z-index: 0;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.45), 0 1px 4px rgba(0,0,0,0.25);
}

/* sub + buttons - in front of the overlay.
   padding-top = 17% (same anchor) + 2.2em (skip both heading lines) */
.mf-front {
  padding-top: calc(17% + 2.2em);
  z-index: 2;
}


/* italic second line inside .mf-behind */
.mf-behind em {
  font-style: italic;
  color: rgba(255,255,255,0.92);
}

.mf-sub {
  font-family: var(--font-sans);
  font-size: clamp(0.75rem, 0.95vw, 0.875rem);
  letter-spacing: normal;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 8px rgba(0,0,0,0.35);
}

.mf-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.mf-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 26px;
  border-radius: 4px;
  background: #fff;
  color: var(--black);
  border: 1px solid #fff;
  transition: opacity 0.15s;
}
.mf-btn-primary:hover { opacity: 0.88; }

.mf-btn-outline {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 26px;
  border-radius: 4px;
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.35);
  transition: all 0.15s;
}
.mf-btn-outline:hover { border-color: #fff; color: #fff; }

/* overlay image: same position and size as the background, sits between bg and text */
.mf-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  z-index: 1;
  pointer-events: none;
  display: block;
}

/* bottom bar: anchored to section bottom */
.mf-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 48px 14px;
  background: #060c06;
  flex-wrap: wrap;
  gap: 12px;
  height: 44px;
  box-sizing: content-box;
}

.mf-bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.mf-socials {
  display: flex;
  align-items: center;
  gap: 18px;
}

.mf-icon {
  color: rgba(255,255,255,0.45);
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
.mf-icon:hover { color: #fff; }

.mf-mantle-logo {
  display: flex;
  align-items: center;
  opacity: 0.5;
  transition: opacity 0.15s;
}
.mf-mantle-logo img {
  height: 14px;
  width: auto;
}
.mf-mantle-logo:hover { opacity: 0.9; }

.mf-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.3);
}

.mf-bar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.mf-link {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: rgba(255,255,255,0.4);
  transition: color 0.15s;
}
.mf-link:hover { color: rgba(255,255,255,0.9); }

.mf-launch {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  padding: 7px 16px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.15s;
}
.mf-launch:hover { background: rgba(255,255,255,0.18); color: #fff; }

/* ─── Abstract Decorations ──────────────────────────────────────────────────── */
.hero    { position: relative; }
.section { position: relative; overflow: hidden; }

.hero-inner, .container { position: relative; z-index: 1; }

.section-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.deco-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
  z-index: 0;
}

/* Contracts: node pulse */
@keyframes nodeBlink {
  0%, 100% { opacity: 0.18; }
  50%       { opacity: 0.40; }
}
.node-pulse { animation: nodeBlink 3s ease-in-out infinite; }

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner, .returns-grid, .agent-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .steps, .roadmap { flex-direction: column; }
  .step-arrow, .rm-line { display: none; }
  .security-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero-stats { max-width: 100%; }
  .security-row { grid-template-columns: 1fr; }
  .ct-row { grid-template-columns: 1fr 1fr; }
  .ct-row .ct-addr, .ct-head span:nth-child(3) { display: none; }
}

/* ─── Scroll & Load Animations ─────────────────────────────────────────────── */
[data-anim] {
  opacity: 0;
  transition:
    opacity 0.72s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.72s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--anim-delay, 0ms);
  will-change: opacity, transform;
}
[data-anim="up"]    { transform: translateY(28px); }
[data-anim="fade"]  { transform: none; }
[data-anim="left"]  { transform: translateX(-28px); }
[data-anim="right"] { transform: translateX(28px); }
[data-anim="scale"] { transform: scale(0.94); }
[data-anim].in      { opacity: 1; transform: translate(0, 0) scale(1); }

@media (prefers-reduced-motion: reduce) {
  [data-anim] { opacity: 1 !important; transform: none !important; transition: none !important; }
}