/* ═══════════════════════════════════════════════════════
   Kontinua Landing Page — Design System & Styles
   Open-Core Physics AI Platform · Dark Glassmorphism
═══════════════════════════════════════════════════════ */

/* ─── Custom Properties ─────────────────────────────── */
:root {
  --bg:           #050811;
  --bg-1:         #080d1c;
  --bg-2:         #0c1326;
  --surface:      rgba(255,255,255,0.04);
  --surface-1:    rgba(255,255,255,0.07);
  --surface-2:    rgba(255,255,255,0.11);
  --border:       rgba(255,255,255,0.08);
  --border-1:     rgba(255,255,255,0.14);
  --border-focus: rgba(79,142,255,0.4);

  --accent:       #4f8eff;
  --accent-2:     #7b5fff;
  --accent-glow:  rgba(79,142,255,0.28);
  --teal:         #00d4aa;
  --teal-glow:    rgba(0,212,170,0.25);
  --gold:         #f5c842;
  --gold-glow:    rgba(245,200,66,0.25);
  --danger:       #ff5555;

  --text:         #e8edf8;
  --text-muted:   #8293b0;
  --text-dim:     #4c5c7d;

  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    22px;
  --radius-xl:    32px;

  --ease-spring:  cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:      cubic-bezier(0.7, 0, 0.84, 0);

  --shadow-card:  0 8px 32px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.08) inset;
  --shadow-glow:  0 0 60px rgba(79,142,255,0.18);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; }

/* ─── Layout & Container ─────────────────────────────── */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section__header {
  text-align: center;
  margin-bottom: 56px;
}

.section__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.25);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 16px;
}

.section__sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ─── Scroll-driven reveal ───────────────────────────── */
.reveal {
  opacity: 0;
  translate: 0 28px;
  transition:
    opacity 0.7s var(--ease-out),
    translate 0.7s var(--ease-out);
  transition-delay: var(--delay, 0ms);
}

.reveal.visible {
  opacity: 1;
  translate: 0 0;
}

/* ─── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition:
    background 0.2s,
    box-shadow 0.2s,
    transform 0.15s var(--ease-spring),
    border-color 0.2s,
    opacity 0.2s;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn--primary:hover {
  box-shadow: 0 4px 28px var(--accent-glow), 0 1px 0 rgba(255,255,255,0.2) inset;
}

.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: var(--surface-1);
  border-color: var(--border-1);
  color: #fff;
}

.btn--github {
  background: rgba(255,255,255,0.07);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(12px);
}
.btn--github:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.btn__star-count {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,0.12);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 500;
  margin-left: 2px;
}

.btn--lg {
  padding: 15px 30px;
  font-size: 1rem;
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ─── Navigation ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s, padding 0.3s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(5, 8, 17, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}

.nav__logo-icon {
  color: var(--teal);
  font-size: 1.4rem;
  line-height: 1;
}

.nav__badge {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(0,212,170,0.12);
  color: var(--teal);
  border: 1px solid rgba(0,212,170,0.3);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav__links a:hover { color: #fff; }

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

/* ─── Hero Section ───────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 80px;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.hero__glow--1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(79,142,255,0.14) 0%, transparent 70%);
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.hero__glow--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,212,170,0.1) 0%, transparent 70%);
  top: 30%;
  right: 15%;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero__headline {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 24px;
}

.hero__headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--teal) 0%, var(--accent) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subline {
  font-size: clamp(1rem, 2vw, 1.22rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 760px;
  margin: 0 auto 28px;
}

/* Install Bar */
.hero__install-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 36px;
}

.install-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(8, 13, 28, 0.85);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 8px 16px 8px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
}

.install-pill__prefix {
  color: var(--teal);
  font-family: var(--font-mono);
  font-weight: 700;
}

.install-pill__code {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #fff;
}

.install-pill__copy {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  position: relative;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.install-pill__copy:hover {
  background: rgba(255,255,255,0.16);
  color: #fff;
  border-color: var(--border-1);
}

.install-pill__copied {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: #050811;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}

.install-pill__copied.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  padding: 28px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  max-width: 900px;
  margin: 0 auto;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat__value {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1;
}

.stat__unit {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--teal);
}

.stat__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat__divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.5;
}

.hero__scroll-line {
  width: 2px;
  height: 28px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  border-radius: 2px;
  animation: scroll-bob 2s infinite;
}

@keyframes scroll-bob {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ─── Logos / Social Proof ───────────────────────────── */
.logos {
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.logos__label {
  text-align: center;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.logos__track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.logos__item {
  color: #9ab0d3;
}

.logos__sep {
  color: var(--text-dim);
}

/* ─── Quickstart / Code Box ──────────────────────────── */
.code-box {
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  max-width: 960px;
  margin: 0 auto;
}

.code-box__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(0,0,0,0.35);
  border-bottom: 1px solid var(--border);
  gap: 16px;
}

.code-box__dots {
  display: flex;
  gap: 6px;
}

.code-box__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-1);
}
.code-box__dots span:nth-child(1) { background: #ff5f56; }
.code-box__dots span:nth-child(2) { background: #ffbd2e; }
.code-box__dots span:nth-child(3) { background: #27c93f; }

.code-box__tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
}

.code-tab {
  background: transparent;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s;
}

.code-tab:hover {
  color: #fff;
  background: var(--surface);
}

.code-tab.active {
  color: #fff;
  background: rgba(79,142,255,0.18);
  border: 1px solid rgba(79,142,255,0.35);
}

.code-box__copy {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}

.code-box__copy:hover {
  background: var(--surface-1);
  color: #fff;
}

.code-panel {
  display: none;
  padding: 24px;
  overflow-x: auto;
  background: #03050c;
}

.code-panel.active {
  display: block;
}

.code-panel pre {
  margin: 0;
}

.code-panel code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.7;
  color: #c9d6ea;
}

/* Syntax Highlighting */
.tok-kw { color: #ff7b72; font-weight: 600; }
.tok-str { color: #a5d6ff; }
.tok-val { color: #7ee787; }
.tok-num { color: #79c0ff; }
.tok-comment { color: #6e7681; font-style: italic; }
.tok-best { color: var(--teal); font-weight: 700; }

/* ─── Simulation Playground ──────────────────────────── */
.sim-card {
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px;
  max-width: 1100px;
  margin: 0 auto;
}

.sim-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.sim-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sim-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.sim-pill--active {
  background: rgba(79,142,255,0.12);
  border-color: rgba(79,142,255,0.3);
  color: #92baff;
}

.sim-pill--gold {
  background: rgba(245,200,66,0.12);
  border-color: rgba(245,200,66,0.3);
  color: var(--gold);
}

.sim-card__controls {
  display: flex;
  gap: 10px;
}

.sim-display {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  margin-bottom: 24px;
}

.sim-view {
  background: #020409;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sim-view--ai {
  border-color: rgba(0,212,170,0.3);
  box-shadow: 0 0 24px rgba(0,212,170,0.08);
}

.sim-view__tag {
  padding: 8px 14px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid var(--border);
}

.sim-view__tag--hpc { color: #f28b82; }
.sim-view__tag--ai { color: var(--teal); background: rgba(0,212,170,0.1); }

.sim-canvas {
  width: 100%;
  height: 240px;
  display: block;
  background: #000;
}

.sim-view__footer {
  display: flex;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255,255,255,0.02);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sim-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-divider__vs {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-dim);
  padding: 8px;
  border-radius: 50%;
  background: var(--surface-1);
  border: 1px solid var(--border);
}

.sim-timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-timeline__label {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.sim-scrubber {
  width: 100%;
  accent-color: var(--teal);
  cursor: pointer;
}

/* ─── Models Zoo ─────────────────────────────────────── */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.model-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
  transition: transform 0.25s var(--ease-spring), border-color 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}

.model-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-1);
  box-shadow: var(--shadow-card);
}

.model-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
}

.model-card__badge--top {
  background: rgba(245,200,66,0.15);
  border: 1px solid rgba(245,200,66,0.35);
  color: var(--gold);
}

.model-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.model-card__name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.model-card__type {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.model-card__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 18px;
}

.model-metric {
  display: flex;
  flex-direction: column;
}

.model-metric__label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
}

.model-metric__value {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-mono);
}

.model-metric__value--best {
  color: var(--teal);
}

.model-card__domains {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.model-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.model-card__link:hover { color: var(--teal); }

/* ─── Matrix (OSS vs Cloud) ──────────────────────────── */
.matrix-table-wrap {
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.matrix-table th, .matrix-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

.matrix-table th {
  background: rgba(0,0,0,0.3);
  font-weight: 700;
  color: #fff;
}

.matrix-table__col-oss {
  color: var(--teal) !important;
}

.matrix-table__col-cloud {
  color: var(--accent) !important;
}

.matrix-table tr:last-child td {
  border-bottom: none;
}

.matrix-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.badge-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
}

.badge-tag--green {
  background: rgba(0,212,170,0.12);
  color: var(--teal);
  border: 1px solid rgba(0,212,170,0.25);
}

.badge-tag--blue {
  background: rgba(79,142,255,0.12);
  color: var(--accent);
  border: 1px solid rgba(79,142,255,0.25);
}

.check-icon {
  color: var(--teal);
  font-weight: 800;
  margin-right: 6px;
}

/* ─── ROI Calculator ─────────────────────────────────── */
.calc-box {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
  max-width: 1040px;
  margin: 0 auto;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.calc-val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--teal);
}

.calc-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.calc-results {
  background: #03060f;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.calc-metric__title {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
}

.calc-metric__number {
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

.calc-metric__number--old { color: #f28b82; }
.calc-metric__number--new { color: var(--accent); }
.calc-metric__number--save { color: var(--teal); font-size: 1.6rem; }
.calc-metric__number--time { color: var(--gold); }

.calc-divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}

/* ─── Pricing ────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.pricing-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--ease-spring), border-color 0.25s, box-shadow 0.25s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-1);
  box-shadow: var(--shadow-card);
}

.pricing-card--featured {
  border-color: rgba(79,142,255,0.4);
  background: linear-gradient(180deg, rgba(79,142,255,0.06) 0%, var(--bg-1) 100%);
  box-shadow: 0 0 40px rgba(79,142,255,0.12);
}

.pricing-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--accent);
  color: #fff;
}

.pricing-card__badge--oss {
  background: rgba(0,212,170,0.15);
  border: 1px solid rgba(0,212,170,0.35);
  color: var(--teal);
}

.pricing-card__tier {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 12px;
}

.pricing-card__amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.03em;
}

.pricing-card__period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.pricing-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
  min-height: 40px;
}

.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text);
}

.check {
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
}

/* Overage Addons */
.pricing-overage {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.pricing-overage h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.overage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.overage-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.overage-item__label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.overage-item__price {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--teal);
}

/* ─── Leaderboard / Benchmark ────────────────────────── */
.bench-table-wrap {
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.bench-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  color: #fff;
}

.bench-table {
  display: flex;
  flex-direction: column;
}

.bench-row {
  display: grid;
  grid-template-columns: 80px 1.8fr 1fr 1.2fr 1.2fr 100px;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

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

.bench-row--head {
  background: rgba(255,255,255,0.02);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.bench-row--gold {
  background: rgba(245,200,66,0.04);
  border-color: rgba(245,200,66,0.15);
}

.bench-best {
  color: var(--teal);
  font-weight: 700;
  font-family: var(--font-mono);
}

.bench-badge {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(0,212,170,0.15);
  color: var(--teal);
  border: 1px solid rgba(0,212,170,0.3);
  margin-left: 6px;
}

.badge-pill {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ─── Waitlist / Cloud Early Access ──────────────────── */
.waitlist {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-1) 100%);
  position: relative;
  overflow: hidden;
}

.waitlist__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79,142,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.waitlist__inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.waitlist__title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}

.waitlist__sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
}

.waitlist__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.waitlist__fields {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.waitlist__input {
  flex: 1;
  min-width: 200px;
  padding: 14px 18px;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border-1);
  border-radius: 100px;
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.waitlist__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,142,255,0.2);
}

.waitlist__select {
  cursor: pointer;
}

.waitlist__select option {
  background: #080d1c;
  color: #fff;
}

.waitlist__form-note {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.waitlist__success {
  background: rgba(0,212,170,0.12);
  border: 1px solid rgba(0,212,170,0.3);
  color: var(--teal);
  padding: 14px 20px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ─── Footer ─────────────────────────────────────────── */
.footer {
  background: #02040a;
  border-top: 1px solid var(--border);
  padding: 80px 0 36px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer__brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 16px 0 12px;
}

.footer__cite {
  font-size: 0.8rem;
  color: var(--text-dim) !important;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer__col h4 {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer__col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer__col a:hover {
  color: var(--teal);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

.footer__bottom a {
  color: var(--text-muted);
}
.footer__bottom a:hover {
  color: #fff;
}

.footer__legal {
  display: flex;
  gap: 20px;
}

/* ─── Responsive Media Queries ───────────────────────── */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .sim-display { grid-template-columns: 1fr; }
  .sim-divider { display: none; }
  .calc-box { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
  .bench-row { grid-template-columns: 50px 1.5fr 1fr 1fr; }
  .bench-row span:nth-child(4), .bench-row span:nth-child(6) { display: none; }
}

@media (max-width: 600px) {
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__stats { flex-direction: column; gap: 20px; }
  .stat__divider { width: 60px; height: 1px; }
  .waitlist__fields { flex-direction: column; }
  .footer__links { grid-template-columns: 1fr; }
}