:root {
  /* Primitives */
  --color-sand-50: #fcfbfa;
  --color-sand-100: #f5f3ed;
  --color-sand-200: #ede9e1;
  --color-sand-300: #e2ded6;
  --color-sand-400: #c9c3b8;
  --color-petroleum-700: #144a6b;
  --color-petroleum-800: #0d2c40;
  --color-petroleum-900: #041f33;
  --color-teal-400: #19c9b0;
  --color-teal-500: #00b49d;
  --color-teal-600: #009682;
  --color-lime-500: #76d275;
  --color-lime-400: #95e094;
  --color-white: #ffffff;
  --color-danger: #c43d3d;

  /* Semantic */
  --bg-canvas: var(--color-sand-200);
  --bg-surface: var(--color-white);
  --bg-sidebar: var(--color-sand-100);
  --bg-dark: var(--color-petroleum-900);

  --text-primary: var(--color-petroleum-800);
  --text-muted: #6e8594;
  --text-inverse: var(--color-white);
  --text-accent: var(--color-teal-500);

  --action-primary: var(--color-teal-500);
  --action-hover: var(--color-teal-600);
  --action-secondary: var(--color-lime-500);

  --border-subtle: var(--color-sand-300);
  --border-focus: var(--color-teal-500);

  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  --shadow-sm: 0 1px 2px rgba(13, 44, 64, 0.06);
  --shadow-md: 0 4px 16px rgba(13, 44, 64, 0.08);
  --shadow-lg: 0 16px 48px rgba(13, 44, 64, 0.12);
  --shadow-card: 0 1px 0 rgba(13, 44, 64, 0.04), 0 8px 24px rgba(13, 44, 64, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
  font-feature-settings: "tnum" 1;
}

.font-display {
  font-family: 'Inter';
  font-weight: 800;
  letter-spacing: -0.02em;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  transition: transform 160ms ease, background 200ms ease, box-shadow 200ms ease;
  white-space: nowrap;
  letter-spacing: -0.005em;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--action-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 16px rgba(0, 180, 157, 0.25);
}

.btn-primary:hover {
  background: var(--action-hover);
  box-shadow: 0 8px 24px rgba(0, 180, 157, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-subtle);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background: rgba(13, 44, 64, 0.03);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  padding: 10px 16px;
}

.btn-ghost:hover {
  color: var(--text-accent);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 17px;
}

.btn-xl {
  padding: 22px 44px;
  font-size: 18px;
}

/* ============ NAVBAR ============ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 243, 237, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--color-petroleum-900);
  border-radius: 8px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.logo-mark::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 2px solid var(--color-teal-500);
  border-radius: 2px;
  transform: rotate(45deg);
}

.logo-mark::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-lime-500);
  top: 6px;
  right: 6px;
  border-radius: 1px;
}

.nav-menu {
  display: flex;
  gap: 4px;
}

.nav-menu a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  transition: background 160ms ease;
}

.nav-menu a:hover {
  background: rgba(13, 44, 64, 0.05);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============ HERO ============ */
.hero {
  padding: 88px 0 96px;
  background: linear-gradient(180deg, var(--bg-canvas) 0%, var(--bg-sidebar) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 180, 157, 0.08), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0, 180, 157, 0.1);
  color: var(--text-accent);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--color-teal-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(36px, 4.8vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 24px 0 24px;
  text-wrap: balance;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 60%, rgba(118, 210, 117, 0.4) 60%);
  padding: 0 2px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.55;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-microcopy {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-microcopy span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-microcopy .check {
  color: var(--action-primary);
  font-weight: 700;
}

.trust-strip {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.trust-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: center;
}

.trust-logo {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-sand-400);
  letter-spacing: -0.01em;
  opacity: 0.85;
  transition: color 200ms;
}

.trust-logo:hover {
  color: var(--text-muted);
}

/* Hero card preview */
.hero-card-wrap {
  position: relative;
}

.portfolio-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.portfolio-card.tilt {
  transform: perspective(1200px) rotateY(-6deg) rotateX(2deg);
  transform-origin: center;
}

.pc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.pc-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  background: var(--color-sand-100);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.pc-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 8px;
  background: rgba(0, 180, 157, 0.1);
  color: var(--text-accent);
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
}

.pc-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}

.pc-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pc-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pc-divider {
  border: none;
  border-top: 1px dashed var(--border-subtle);
  margin: 16px 0;
}

.pc-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  font-size: 13px;
}

.pc-row .label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.pc-row .value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 16px;
}

.pc-row .value.lime {
  color: var(--color-lime-500);
  font-weight: 700;
}

.pc-row .value.profit {
  color: var(--text-primary);
}

.pc-row .value.big {
  font-size: 22px;
}

.pc-foot {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.pc-foot-left {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.pc-foot-actions {
  display: flex;
  gap: 8px;
}

.pc-btn {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.pc-btn-primary {
  background: var(--action-primary);
  color: white;
}

.pc-btn-ghost {
  background: var(--color-sand-100);
  color: var(--text-primary);
}

/* Switch */
.switch {
  width: 48px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-sand-200);
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 2px;
  transition: background 200ms;
  cursor: pointer;
  border: none;
}

.switch.on {
  background: var(--color-teal-500);
}

.switch::after {
  content: '';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  transition: transform 200ms;
}

.switch.on::after {
  transform: translateX(24px);
}

/* Floating stat above card */
.float-stat {
  position: absolute;
  background: var(--color-petroleum-900);
  color: white;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.float-stat-roi {
  top: -24px;
  right: -16px;
}

.float-stat-roi .big {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-lime-500);
}

.float-stat-roi .lbl {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.float-stat-eq {
  bottom: -20px;
  left: -24px;
  background: white;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.float-stat-eq .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-lime-500);
  box-shadow: 0 0 0 4px rgba(118, 210, 117, 0.25);
  animation: pulse 1.6s infinite;
}

/* ============ SECTION SCAFFOLD ============ */
.section {
  padding: 96px 0;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

.section h2 {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 16px 0 16px;
  text-wrap: balance;
}

.section-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.55;
}

.section-sub.left {
  margin-left: 0;
}

.kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.kicker::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--text-accent);
}

/* ============ CONTRAST SECTION ============ */
.contrast {
  background: var(--bg-surface);
}

.contrast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 24px;
}

.contrast-col {
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.contrast-col.before {
  background: var(--color-sand-100);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.contrast-col.after {
  background: var(--color-petroleum-900);
  color: var(--text-inverse);
}

.contrast-col.after::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(118, 210, 117, 0.15), transparent 70%);
}

.contrast-label {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.contrast-col.before .contrast-label {
  background: rgba(13, 44, 64, 0.08);
  color: var(--text-primary);
}

.contrast-col.after .contrast-label {
  background: rgba(118, 210, 117, 0.15);
  color: var(--color-lime-500);
}

.contrast-col h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 24px;
  letter-spacing: -0.015em;
}

.contrast-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contrast-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid;
  font-size: 15px;
  line-height: 1.4;
}

.contrast-col.before .contrast-list li {
  border-color: var(--border-subtle);
}

.contrast-col.after .contrast-list li {
  border-color: rgba(255, 255, 255, 0.08);
}

.contrast-list li:last-child {
  border-bottom: none;
}

.contrast-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-top: 1px;
}

.contrast-col.before .contrast-icon {
  background: rgba(196, 61, 61, 0.12);
  color: var(--color-danger);
}

.contrast-col.after .contrast-icon {
  background: rgba(118, 210, 117, 0.2);
  color: var(--color-lime-500);
}

.contrast-icon svg {
  width: 12px;
  height: 12px;
}

.contrast-final {
  text-align: center;
  max-width: 600px;
  margin: 40px auto 0;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.contrast-final strong {
  color: var(--text-main);
  font-style: normal;
  font-weight: 600;
}

.contrast-image-wrapper {
  margin-top: 40px;
  text-align: center;
  position: relative;
}

.contrast-dashboard-img {
  width: 100%;
  max-width: 1000px;
  height: auto;
  display: inline-block;
  /* Keep optional slight hover or just display normally */
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.contrast-image-wrapper:hover .contrast-dashboard-img {
  transform: scale(1.02);
}

/* ============ HOW IT WORKS ============ */
.how {
  background: var(--bg-surface);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.step {
  background: var(--bg-canvas);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  position: relative;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 60px;
  font-weight: 700;
  color: var(--text-accent);
  line-height: 1;
  letter-spacing: -0.04em;
  opacity: 0.95;
}

.step-icon {
  margin: 24px 0 20px;
  width: 56px;
  height: 56px;
  background: white;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  color: var(--text-accent);
}

.step-icon svg {
  width: 28px;
  height: 28px;
}

.step h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.55;
}

.step-connector {
  position: absolute;
  top: 70px;
  right: -16px;
  width: 32px;
  height: 1px;
  background: var(--border-subtle);
  display: none;
}

.step:not(:last-child) .step-connector {
  display: block;
}

/* ============ FEATURES ============ */
.features {
  background: var(--bg-canvas);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 32px;
  border-radius: var(--radius-lg);
  transition: border-color 200ms, transform 200ms;
}

.feature:hover {
  border-color: var(--color-teal-400);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 180, 157, 0.1);
  color: var(--action-primary);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
}

/* ============ CALCULATOR DEMO ============ */
.demo {
  background: var(--bg-surface);
}

.demo-wrap {
  background: var(--bg-canvas);
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
}

.demo-inputs h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 20px;
  font-family: 'JetBrains Mono', monospace;
}

.input-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: 16px;
}

.input-row label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  flex-shrink: 0;
}

.input-row .input-wrap {
  display: flex;
  align-items: center;
  background: white;
  border: 1.5px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0 4px 0 12px;
  flex: 1;
  max-width: 200px;
  transition: border-color 160ms;
}

.input-row .input-wrap:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 180, 157, 0.12);
}

.input-row .prefix {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 4px;
}

.input-row input {
  flex: 1;
  border: none;
  outline: none;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
  background: transparent;
  text-align: right;
  padding: 12px 8px;
  width: 100%;
  min-width: 0;
}

.input-row input::-webkit-outer-spin-button,
.input-row input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-row input[type=number] {
  -moz-appearance: textfield;
}

.demo-output {
  background: var(--color-petroleum-900);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.demo-output::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(0, 180, 157, 0.18), transparent 70%);
  pointer-events: none;
}

.donut-row {
  display: flex;
  align-items: center;
  gap: 24px;
}

.donut-svg {
  flex-shrink: 0;
}

.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
  flex: 1;
}

.donut-legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.donut-legend-item .left {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.85);
}

.donut-legend-item .dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.donut-legend-item .pct {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: white;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.metric-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.metric-value.lime {
  color: var(--color-lime-500);
}

.metric-value.teal {
  color: var(--color-teal-400);
}

.metric-value.danger {
  color: #ff8a8a;
}

.demo-foot {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}

.demo-foot strong {
  color: var(--text-primary);
  font-weight: 600;
}

.demo-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.demo-status .pulse {
  width: 8px;
  height: 8px;
  background: var(--color-lime-500);
  border-radius: 50%;
  animation: pulse 1.6s infinite;
}

/* ============ SOCIAL PROOF ============ */
.social {
  background: var(--bg-sidebar);
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 64px;
  padding: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.metric-big {
  text-align: center;
  padding: 8px 16px;
  border-right: 1px solid var(--border-subtle);
}

.metric-big:last-child {
  border-right: none;
}

.metric-big .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.metric-big .num .accent {
  color: var(--color-lime-500);
}

.metric-big .lbl {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: -0.005em;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}

.testimonial-quote {
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-primary);
  margin: 0 0 24px;
  letter-spacing: -0.005em;
}

.testimonial-quote::before {
  content: '"';
  font-size: 40px;
  font-weight: 800;
  color: var(--color-teal-400);
  display: block;
  line-height: 0.5;
  margin-bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-petroleum-900);
  color: white;
  display: grid;
  place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 13px;
}

.author-info {
  font-size: 13px;
  line-height: 1.4;
}

.author-info .name {
  font-weight: 600;
  color: var(--text-primary);
}

.author-info .role {
  color: var(--text-muted);
  font-size: 12px;
}

/* ============ PRICING ============ */
.pricing {
  background: var(--bg-surface);
}

.billing-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--bg-canvas);
  padding: 4px;
  border-radius: var(--radius-full);
  margin: 24px auto 56px;
  border: 1px solid var(--border-subtle);
}

.billing-toggle button {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 200ms;
}

.billing-toggle button.active {
  background: var(--color-petroleum-900);
  color: white;
}

.billing-toggle .save {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--color-lime-500);
  margin-left: 6px;
  padding: 2px 6px;
  background: rgba(118, 210, 117, 0.15);
  border-radius: 4px;
}

.billing-toggle button.active .save {
  background: rgba(118, 210, 117, 0.25);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: stretch;
}

.plan {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan.featured {
  border: 2px solid var(--action-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
  background: linear-gradient(180deg, rgba(0, 180, 157, 0.03), white 30%);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--action-primary);
  color: white;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(0, 180, 157, 0.3);
}

.plan-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.plan.featured .plan-name {
  color: var(--text-accent);
}

.plan-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 24px;
  line-height: 1.45;
  min-height: 40px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}

.plan-price .currency {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 600;
}

.plan-price .amount {
  font-family: 'JetBrains Mono', monospace;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.plan-price .period {
  font-size: 14px;
  color: var(--text-muted);
}

.plan-period-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 18px;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  flex: 1;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-primary);
}

.plan-features .check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 180, 157, 0.12);
  color: var(--action-primary);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  margin-top: 1px;
}

.plan.featured .plan-features .check {
  background: var(--action-primary);
  color: white;
}

.plan-cta {
  width: 100%;
}

.pricing-foot {
  text-align: center;
  margin-top: 40px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ============ FAQ ============ */
.faq {
  background: var(--bg-canvas);
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color 200ms;
}

.faq-item.open {
  border-color: var(--color-teal-400);
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.faq-toggle {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: rgba(0, 180, 157, 0.1);
  color: var(--action-primary);
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 600;
  transition: transform 200ms;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: all 400ms cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 24px;
  opacity: 0;
}

.faq-item.open .faq-a {
  max-height: 400px;
  padding-bottom: 20px;
  opacity: 1;
}

.faq-a p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}

.faq-a strong {
  color: var(--text-primary);
}

/* ============ FINAL CTA ============ */
.final-cta {
  background: var(--color-petroleum-900);
  color: var(--text-inverse);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: conic-gradient(from 0deg, var(--color-teal-500) 0deg, transparent 90deg, var(--color-lime-500) 180deg, transparent 270deg);
  border-radius: 50%;
  opacity: 0.08;
  filter: blur(40px);
}

.final-cta-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.final-cta h2 {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 24px;
  color: var(--text-inverse);
  text-wrap: balance;
}

.final-cta h2 em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 180, 157, 0.4) 60%);
  padding: 0 4px;
}

.final-cta p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 32px;
  max-width: 560px;
}

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

.final-cta .btn-primary {
  font-size: 17px;
  padding: 20px 32px;
}

.final-cta-microcopy {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.final-cta-microcopy a {
  color: var(--color-teal-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.final-cta-donut {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
  max-width: 400px;
  margin-left: auto;
}

.final-cta-donut svg {
  width: 100%;
  height: 100%;
}

.footer {
  background: var(--color-petroleum-900);
  color: var(--text-inverse);
  padding: 80px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 64px;
}

.footer-brand {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  max-width: 280px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  padding: 4px 0;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  transition: color 200ms;
}

.footer-col a:hover {
  color: var(--color-teal-400);
}

.telemetry {
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
  padding: 16px 0;
  margin: 16px 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

.telemetry .item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.telemetry .lbl {
  color: rgba(255, 255, 255, 0.4);
}

.telemetry .val {
  color: var(--color-lime-500);
}

.telemetry .pulse {
  width: 6px;
  height: 6px;
  background: var(--color-lime-500);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(118, 210, 117, 0.2);
  animation: pulse 1.6s infinite;
}

.footer-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  transition: opacity 200ms;
}

.footer-social a:hover {
  opacity: 0.7;
}

.footer-social svg {
  width: 32px;
  height: 32px;
  fill: white;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .hero-grid,
  .contrast-grid,
  .demo-wrap,
  .final-cta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps-grid,
  .features-grid,
  .testimonials,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .metric-big {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-menu {
    display: none;
  }

  .section {
    padding: 64px 0;
  }

  .plan.featured {
    transform: none;
  }

  .float-stat-roi {
    right: 0;
  }

  .float-stat-eq {
    left: 0;
  }

  .demo-wrap {
    padding: 24px;
  }
}

@media (max-width: 540px) {
  .metrics-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-microcopy {
    flex-direction: column;
    gap: 8px;
  }

  .contrast-col {
    padding: 28px 24px;
  }
}