/* =========================================================================
   gigasphere.io — master-brand landing
   Dark theme. Premium. Building-in-public energy.
   Palette: #0A0E17 base · #1A1A2E surface · amber accent #E8A020 / #FFB740
   ========================================================================= */

:root {
  --c-bg: #0a0e17;
  --c-bg-2: #0d1322;
  --c-surface: #14182a;
  --c-surface-2: #1a1a2e;
  --c-surface-3: #232342;
  --c-border: rgba(255, 255, 255, 0.08);
  --c-border-strong: rgba(255, 255, 255, 0.14);

  --c-text: #f5f3ee;
  --c-text-strong: #ffffff;
  --c-text-muted: #8993a8;
  --c-text-faint: #5b647a;

  --c-amber: #e8a020;
  --c-amber-bright: #ffb740;
  --c-amber-soft: rgba(232, 160, 32, 0.16);
  --c-violet: #6b5cff;
  --c-cyan: #5ee3ff;

  --c-success: #22c55e;

  --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-display: var(--font-system);
  --font-body: var(--font-system);
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Monaco,
               'Cascadia Mono', 'Roboto Mono', Consolas, 'Courier New', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04) inset,
                 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow-amber: 0 0 0 1px rgba(232, 160, 32, 0.35),
                       0 12px 48px rgba(232, 160, 32, 0.18);

  --max-w: 1180px;
  --pad-x: clamp(20px, 4vw, 40px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-weight: 400;
  font-style: normal;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--c-text);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-amber-bright);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-amber);
  color: #111;
  padding: 8px 12px;
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ---------- NAV ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px var(--pad-x);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(10, 14, 23, 0.7);
  border-bottom: 1px solid var(--c-border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--c-text-strong);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
  border: 1px solid var(--c-border);
}
.brand-mark.sm {
  width: 26px;
  height: 26px;
}

.brand-os {
  color: var(--c-amber);
}

.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
  font-size: 14px;
  color: var(--c-text-muted);
}
.nav-links a {
  color: var(--c-text-muted);
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover {
  color: var(--c-text);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  background: var(--c-amber);
  color: #14110a;
  font-weight: 600;
  font-size: 14px;
  border-radius: 999px;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.nav-cta:hover {
  background: var(--c-amber-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(232, 160, 32, 0.25);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: clamp(72px, 12vw, 140px) var(--pad-x) clamp(56px, 10vw, 120px);
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero-bg .grid {
  position: absolute;
  inset: -10% -5%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 40%, transparent 80%);
  opacity: 0.7;
}

.hero-bg .glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}
.hero-bg .glow-amber {
  width: 520px;
  height: 520px;
  left: 50%;
  top: -180px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(232, 160, 32, 0.45), transparent 70%);
}
.hero-bg .glow-violet {
  width: 460px;
  height: 460px;
  right: -120px;
  top: 80px;
  background: radial-gradient(closest-side, rgba(107, 92, 255, 0.35), transparent 70%);
}

.hero-inner {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--c-border-strong);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
  text-transform: none;
  margin-bottom: 28px;
}
.badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-success);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18); }
  50%      { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.06); }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 9vw, 6.4rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  color: var(--c-text-strong);
}
.hero-title .word {
  display: inline-block;
  white-space: nowrap;
}
.hero-title .amber {
  background: linear-gradient(135deg, #ffd089 0%, #e8a020 50%, #c47a00 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-left: 0.18em;
}

.hero-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.8vw, 1.85rem);
  line-height: 1.25;
  margin: 0 auto 12px;
  max-width: 720px;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
.hero-tagline .hl {
  color: var(--c-amber-bright);
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: var(--c-text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.2s ease, box-shadow 0.2s ease,
              border-color 0.2s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--c-amber);
  color: #14110a;
  box-shadow: 0 10px 32px rgba(232, 160, 32, 0.28);
}
.btn-primary:hover {
  background: var(--c-amber-bright);
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(255, 183, 64, 0.35);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--c-text);
  border-color: var(--c-border-strong);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.22);
}
.btn-wide {
  padding-left: 28px;
  padding-right: 28px;
}

.hero-meta {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  border-top: 1px solid var(--c-border);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.hero-meta li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 16px 8px 4px;
}
.meta-k {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  color: var(--c-text-strong);
}
.meta-v {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-faint);
}
@media (max-width: 560px) {
  .hero-meta {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- SECTION COMMONS ---------- */
.section {
  padding: clamp(64px, 9vw, 120px) 0;
  position: relative;
}
.section + .section {
  border-top: 1px solid var(--c-border);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin: 0 0 14px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4.6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  color: var(--c-text-strong);
  max-width: 880px;
}
.section-lede {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: var(--c-text-muted);
  max-width: 760px;
  margin: 0 0 48px;
}

/* ---------- PROBLEM ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 900px) {
  .problem-grid { grid-template-columns: 1fr; }
}

.problem-card {
  position: relative;
  padding: 28px 26px 26px;
  background: linear-gradient(180deg, var(--c-surface), var(--c-bg-2));
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.3s ease;
}
.problem-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-border-strong);
}
.problem-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-amber);
  margin-bottom: 16px;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--c-text-strong);
}
.problem-card p {
  margin: 0;
  font-size: 15px;
  color: var(--c-text-muted);
  line-height: 1.6;
}

/* ---------- ECOSYSTEM / PRODUCT CARDS ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 1080px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px)  { .product-grid { grid-template-columns: 1fr; } }

.product-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  background: linear-gradient(180deg, #15182a 0%, #0e1220 100%);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.product-card:hover {
  transform: translateY(-2px);
  border-color: rgba(232, 160, 32, 0.3);
}
.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}
.product-id { display: flex; flex-direction: column; gap: 6px; }
.product-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--c-text-faint);
  text-transform: uppercase;
}
.product-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--c-text-strong);
}
.product-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--c-border-strong);
  color: var(--c-text-muted);
  white-space: nowrap;
}
.product-status.status-live {
  color: #b8efc7;
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.08);
}
.product-pitch {
  margin: 8px 0 18px;
  font-size: 14.5px;
  color: var(--c-text-muted);
  line-height: 1.55;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-amber-bright);
}
.product-link:hover { text-decoration: underline; }

.product-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.product-actions .product-link { margin-top: 0; }

.product-demo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  background: var(--c-amber);
  color: #14110a;
  border: 1px solid rgba(232, 160, 32, 0.55);
  box-shadow: 0 6px 18px rgba(232, 160, 32, 0.22);
  text-decoration: none;
  transition: transform 0.12s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.product-demo:hover {
  background: var(--c-amber-bright);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(255, 183, 64, 0.32);
}

/* Browser frame mock */
.browser-frame {
  background: #0a0d18;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 4px;
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--c-border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-text-faint);
}
.browser-bar .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2a2f3f;
}
.browser-bar .dot.r { background: #f87171; opacity: 0.6; }
.browser-bar .dot.y { background: #fbbf24; opacity: 0.6; }
.browser-bar .dot.g { background: #34d399; opacity: 0.6; }
.browser-bar .url {
  margin-left: 6px;
  flex: 1;
  text-align: center;
  letter-spacing: 0.02em;
}

.browser-body {
  height: 220px;
  position: relative;
  padding: 14px;
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(232, 160, 32, 0.06), transparent 60%),
    linear-gradient(180deg, #0d1322 0%, #0a0d18 100%);
}

/* Fleet mock */
.fleet-mock { display: grid; grid-template-columns: 56px 1fr; gap: 10px; padding: 12px; }
.mock-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 6px;
  background: rgba(255, 255, 255, 0.025);
  border-radius: 6px;
  border: 1px solid var(--c-border);
}
.mock-logo {
  width: 22px; height: 22px; border-radius: 6px;
  background: linear-gradient(135deg, #ffb740, #e8a020);
  margin: 0 auto 6px;
}
.mock-nav-item {
  height: 8px; border-radius: 4px; background: rgba(255, 255, 255, 0.06);
}
.mock-nav-item.active { background: rgba(232, 160, 32, 0.5); }
.mock-main { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.mock-row { height: 10px; border-radius: 4px; background: rgba(255, 255, 255, 0.06); }
.mock-row-title { width: 60%; height: 14px; }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mock-stat {
  height: 38px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-border);
}
.mock-stat.amber {
  background: linear-gradient(180deg, rgba(232, 160, 32, 0.22), rgba(232, 160, 32, 0.05));
  border-color: rgba(232, 160, 32, 0.4);
}
.mock-list { display: flex; flex-direction: column; gap: 4px; margin-top: 2px; }
.mock-list-row {
  display: flex; align-items: center; gap: 6px;
  height: 14px; padding: 0 6px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  border: 1px solid var(--c-border);
}
.dot-amber, .dot-cyan {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
}
.dot-amber { background: var(--c-amber); }
.dot-cyan  { background: var(--c-cyan); opacity: 0.7; }

/* Books mock */
.books-mock { display: flex; flex-direction: column; gap: 12px; padding: 16px; }
.mock-hero { display: flex; flex-direction: column; gap: 6px; }
.mock-h-num {
  width: 50%; height: 22px; border-radius: 6px;
  background: linear-gradient(90deg, var(--c-amber-bright), transparent);
}
.mock-h-sub { width: 70%; height: 9px; border-radius: 4px; background: rgba(255, 255, 255, 0.08); }
.mock-chart { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; align-items: end; height: 80px; }
.mock-chart .bar {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px 3px 0 0;
}
.mock-chart .bar.amber {
  background: linear-gradient(180deg, var(--c-amber-bright), var(--c-amber));
  box-shadow: 0 0 16px rgba(255, 183, 64, 0.35);
}
.mock-pillrow { display: flex; gap: 6px; }
.mock-pill {
  height: 16px; flex: 1; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-border);
}
.mock-pill.amber {
  background: rgba(232, 160, 32, 0.25);
  border-color: rgba(232, 160, 32, 0.5);
}

/* Chat mock */
.chat-mock { display: flex; flex-direction: column; gap: 6px; padding: 12px; }
.chat-bubble {
  display: flex; flex-direction: column; gap: 4px;
  padding: 8px 10px;
  border-radius: 10px;
  max-width: 75%;
}
.chat-bubble.bot {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-border);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
}
.chat-bubble.user {
  background: linear-gradient(180deg, rgba(232, 160, 32, 0.22), rgba(232, 160, 32, 0.1));
  border: 1px solid rgba(232, 160, 32, 0.4);
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}
.chat-line { height: 6px; border-radius: 3px; background: rgba(255, 255, 255, 0.18); }
.chat-line.short { width: 60%; }
.chat-bubble.user .chat-line { background: rgba(255, 255, 255, 0.55); width: 110px; }
.chat-input {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  color: var(--c-text-faint);
  font-size: 12px;
}
.chat-input .send {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--c-amber);
}

/* ---------- CO-BRAND CALLOUT ---------- */
.cobrand-callout {
  margin: 36px auto 0;
  max-width: 900px;
  padding: 28px clamp(20px, 4vw, 40px);
  text-align: center;
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(232, 160, 32, 0.14), transparent 60%),
    rgba(232, 160, 32, 0.08);
  border: 1.5px solid var(--c-amber);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 0 1px rgba(232, 160, 32, 0.25),
    0 18px 50px rgba(232, 160, 32, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.cobrand-badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 18px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-amber-bright);
  background: rgba(13, 31, 53, 0.55);
  border: 1px solid rgba(232, 160, 32, 0.55);
  border-radius: 999px;
  text-shadow: 0 0 18px rgba(232, 160, 32, 0.45);
}
.cobrand-copy {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-text);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.cobrand-copy em {
  font-style: normal;
  font-weight: 600;
  color: var(--c-amber-bright);
}
@media (max-width: 720px) {
  .cobrand-callout { margin-top: 28px; padding: 22px 18px; }
  .cobrand-copy { font-size: 15.5px; }
  .cobrand-badge { font-size: 12.5px; padding: 7px 14px; }
}

/* ---------- WORM ---------- */
.section-worm {
  background:
    radial-gradient(60% 50% at 80% 20%, rgba(107, 92, 255, 0.12), transparent 70%),
    radial-gradient(50% 40% at 0% 100%, rgba(232, 160, 32, 0.08), transparent 70%);
}
.worm-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 920px) { .worm-grid { grid-template-columns: 1fr; gap: 40px; } }

.worm-points {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.worm-points li {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--c-border);
  border-left: 2px solid var(--c-amber);
  border-radius: 10px;
  font-size: 14.5px;
  color: var(--c-text-muted);
  line-height: 1.6;
}
.worm-points strong {
  color: var(--c-text);
  font-weight: 600;
  margin-right: 4px;
}

.worm-vis {
  background: linear-gradient(180deg, #14182a 0%, #0c1020 100%);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-card);
}
.ledger {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.ledger-row {
  position: relative;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}
.ledger-row.sealed {
  border-color: rgba(232, 160, 32, 0.4);
  background: linear-gradient(180deg, rgba(232, 160, 32, 0.08), rgba(232, 160, 32, 0));
  box-shadow: 0 0 24px rgba(232, 160, 32, 0.12) inset;
}
.ledger-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 10.5px;
  color: var(--c-text-faint);
  letter-spacing: 0.04em;
}
.ledger-tag {
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  text-transform: uppercase;
}
.ledger-tag.amber {
  color: #ffd089;
  background: rgba(232, 160, 32, 0.18);
  border-color: rgba(232, 160, 32, 0.5);
}
.ledger-body {
  color: var(--c-text);
  font-size: 13px;
  letter-spacing: 0.01em;
}
.ledger-hash {
  font-size: 10.5px;
  color: var(--c-text-faint);
}
.ledger-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--c-text-muted);
}
.ledger-foot .lock {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 6px;
  background: rgba(34, 197, 94, 0.14);
  color: #b8efc7;
}

/* ---------- NUMBERS ---------- */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 980px) { .numbers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .numbers-grid { grid-template-columns: 1fr; } }

.number-tile {
  padding: 26px 22px;
  background: linear-gradient(180deg, #15182a, #0c1020);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.number-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 100% 0%, rgba(232, 160, 32, 0.08), transparent 60%);
  pointer-events: none;
}
.number-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(140deg, #ffd089 0%, #e8a020 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
}
.number-value .suf {
  font-size: 0.5em;
  color: var(--c-text-muted);
  -webkit-text-fill-color: var(--c-text-muted);
  margin-left: 2px;
}
.number-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--c-text-strong);
  margin-bottom: 6px;
}
.number-foot {
  font-size: 12.5px;
  color: var(--c-text-faint);
  line-height: 1.5;
}

/* ---------- NEWSLETTER ---------- */
.section-newsletter {
  background:
    radial-gradient(60% 50% at 20% 0%, rgba(232, 160, 32, 0.08), transparent 60%),
    radial-gradient(50% 40% at 100% 100%, rgba(107, 92, 255, 0.08), transparent 70%);
}

.newsletter-card {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(36px, 6vw, 56px) clamp(28px, 5vw, 56px);
  text-align: center;
  background: linear-gradient(180deg, #0d1f35 0%, #0a1628 100%);
  border: 1px solid rgba(232, 160, 32, 0.25);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card),
              0 0 0 1px rgba(232, 160, 32, 0.06) inset;
  overflow: hidden;
}
.newsletter-card::before {
  content: '';
  position: absolute;
  inset: -1px -1px auto -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-amber), transparent);
  opacity: 0.7;
}

.newsletter-card .eyebrow {
  margin-bottom: 16px;
}
.newsletter-card .section-title {
  margin-left: auto;
  margin-right: auto;
  max-width: 600px;
}
.newsletter-card .section-lede {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 32px;
  max-width: 600px;
}

.newsletter-card .section-title {
  margin-bottom: 28px;
}

.newsletter-preview {
  position: relative;
  max-width: 620px;
  margin: 0 auto 24px;
  padding: 22px 24px 20px;
  text-align: left;
  background: rgba(8, 18, 34, 0.6);
  border: 1px solid rgba(232, 160, 32, 0.22);
  border-left: 3px solid var(--c-amber);
  border-radius: var(--radius-md);
}

.newsletter-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.newsletter-preview-tag {
  display: inline-block;
  padding: 3px 8px;
  background: var(--c-amber-soft);
  color: var(--c-amber-bright);
  border-radius: 4px;
  font-weight: 700;
}
.newsletter-preview-date {
  color: var(--c-text-faint);
  font-weight: 600;
}

.newsletter-preview-body {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--c-text);
}
.newsletter-preview-body p {
  margin: 0 0 10px;
}
.newsletter-preview-body p:last-child {
  margin-bottom: 0;
}
.newsletter-preview-kicker {
  font-weight: 700;
  color: var(--c-text-strong);
  letter-spacing: 0.01em;
}
.newsletter-preview-source {
  font-size: 13px;
  color: var(--c-text-muted);
  font-style: italic;
}

.newsletter-pitch {
  margin: 0 auto 24px;
  max-width: 600px;
  font-size: 15px;
  color: var(--c-text-muted);
}

.newsletter-ctas {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.newsletter-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-amber-bright);
}
.newsletter-link:hover {
  text-decoration: underline;
}

/* ---------- DEMO / CONTACT ---------- */
.section-demo {
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(232, 160, 32, 0.1), transparent 60%);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px;
  background: linear-gradient(180deg, #15182a, #0c1020);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s ease, transform 0.15s ease;
}
.contact-card:hover {
  border-color: rgba(232, 160, 32, 0.35);
  transform: translateY(-2px);
}

.contact-avatar {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #ffd089 0%, #e8a020 100%);
  color: #14110a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-glow-amber);
}
.contact-avatar.avatar-alt {
  background: linear-gradient(135deg, #c9b8ff 0%, #6b5cff 100%);
  color: #1a1437;
  box-shadow: 0 0 0 1px rgba(107, 92, 255, 0.4),
              0 12px 36px rgba(107, 92, 255, 0.18);
}

.contact-body { min-width: 0; }
.contact-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin: 0 0 2px;
  color: var(--c-text-strong);
}
.contact-title {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--c-text-muted);
}
.contact-email {
  display: inline-block;
  font-size: 14.5px;
  color: var(--c-amber-bright);
  word-break: break-all;
}
.contact-email:hover { text-decoration: underline; }

.whatsapp { display: flex; justify-content: center; }

/* ---------- FOOTER ---------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding: 36px 0 44px;
  background: var(--c-bg-2);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
  color: var(--c-text-muted);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-links a {
  color: var(--c-text-muted);
}
.footer-links a:hover {
  color: var(--c-text);
  text-decoration: underline;
}
.footer-meta {
  font-size: 12.5px;
  color: var(--c-text-faint);
}

.footer-legal {
  flex-basis: 100%;
  margin: 12px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-border);
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--c-text-faint);
}

/* ---------- REVEAL ANIMATION ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- MOBILE OVERRIDES ---------- */
@media (max-width: 768px) {
  /* Force upright type at small sizes — prevents iOS Safari italic blur */
  .hero-title,
  .hero-tagline,
  .section-title,
  .number-value,
  .meta-k,
  .product-card h3,
  .problem-card h3,
  .contact-card h3 {
    font-style: normal;
  }

  /* Nav: keep only logo + CTA, tighten spacing, prevent wrap */
  .site-nav {
    gap: 12px;
    padding: 12px var(--pad-x);
  }
  .nav-cta {
    margin-left: auto;
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .brand {
    font-size: 0.9375rem;
    white-space: nowrap;
    min-width: 0;
  }
  .brand-text {
    white-space: nowrap;
  }

  /* Section spacing — more breathing room */
  .section {
    padding: 72px 0;
  }

  /* Hero — fits 375px without overflow */
  .hero {
    padding: 64px var(--pad-x) 56px;
  }
  .hero-title {
    font-size: clamp(2rem, 11vw, 3.2rem);
    line-height: 1;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
  }
  .hero-tagline {
    font-size: 1.2rem;
    line-height: 1.3;
    font-weight: 700;
  }
  .hero-sub {
    font-size: 1rem;
    margin-bottom: 28px;
  }
  .hero-ctas {
    margin-bottom: 44px;
  }
  .hero-meta {
    padding-top: 18px;
    gap: 4px;
  }
  .hero-meta li {
    padding: 14px 6px 4px;
  }
  .meta-k {
    font-size: 1.35rem;
    font-weight: 800;
  }

  /* Section titles — tighter, crisper */
  .section-title {
    font-size: 1.75rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
  }
  .section-lede {
    font-size: 1rem;
    margin-bottom: 36px;
  }

  /* Problem cards — keep rhythm */
  .problem-grid { gap: 16px; }
  .problem-card { padding: 26px 22px 24px; }

  /* Product cards — tighter padding, browser frame stays readable */
  .product-grid { gap: 18px; }
  .product-card { padding: 22px 20px; }
  .browser-body { height: 200px; }

  /* WORM ledger */
  .worm-grid { gap: 32px; }
  .worm-vis { padding: 18px; }

  /* Numbers / Stat tiles — solid color (not gradient) for crisp rendering */
  .numbers-grid { gap: 16px; }
  .number-tile {
    padding: 28px 24px;
  }
  .number-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    color: var(--c-amber-bright);
    -webkit-text-fill-color: var(--c-amber-bright);
    margin-bottom: 10px;
  }
  .number-value .suf {
    font-size: 0.55em;
    -webkit-text-fill-color: var(--c-text-muted);
    color: var(--c-text-muted);
  }
  .number-label { font-size: 1rem; }

  /* Newsletter card */
  .newsletter-card { padding: 36px 24px; }

  /* Team / contact cards — extra padding */
  .contact-grid { gap: 16px; }
  .contact-card {
    padding: 26px 22px;
    gap: 16px;
  }
  .contact-avatar {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    font-size: 1rem;
  }
  .contact-card h3 { font-size: 1.1rem; }

  /* Footer — stack cleanly */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

/* Very small phones (≤380px) — extra tightening to prevent any overflow */
@media (max-width: 380px) {
  .hero-title { font-size: 2rem; }
  .hero-tagline { font-size: 1.1rem; }
  .section-title { font-size: 1.55rem; }
  .number-value { font-size: 2.25rem; }
  .brand-os { display: inline; }
}

/* =========================================================================
   MODULES, CALCULATOR, AND BRAND COMPARISON SECTIONS
   Brand colors: navy #0d1f35, gold #e8a020, white #ffffff
   ========================================================================= */

:root {
  --navy: #0d1f35;
  --gold: #e8a020;
  --gold-bright: #ffb740;
}

/* ---- Section 1: Product Module Cards ---- */
.section-modules {
  background:
    radial-gradient(900px 500px at 80% 0%, rgba(232, 160, 32, 0.06), transparent 60%),
    var(--c-bg);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.module-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 20px;
  background: var(--navy);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.module-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s ease;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 160, 32, 0.4);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55),
              0 0 0 1px rgba(232, 160, 32, 0.18);
}

.module-card:hover::before {
  transform: scaleX(1);
}

.module-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(232, 160, 32, 0.2), rgba(232, 160, 32, 0.05));
  color: var(--gold-bright);
  font-weight: 800;
  font-size: 1.1rem;
  border: 1px solid rgba(232, 160, 32, 0.3);
}

.module-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-text-strong);
  margin: 0;
  letter-spacing: -0.01em;
}

.module-desc {
  color: var(--c-text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

.module-note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin: 4px 0 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--c-text-faint);
  font-style: italic;
}

.module-note-icon {
  font-size: 0.8rem;
  line-height: 1.3;
  flex-shrink: 0;
}

.module-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--c-border);
}

.module-price {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.01em;
}

.module-status {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.m-status-live {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.m-status-building {
  background: rgba(232, 160, 32, 0.12);
  color: var(--gold-bright);
  border: 1px solid rgba(232, 160, 32, 0.35);
}

.m-status-soon {
  background: rgba(137, 147, 168, 0.12);
  color: var(--c-text-muted);
  border: 1px solid rgba(137, 147, 168, 0.25);
}

/* ---- Section 2: Pricing Calculator ---- */
.section-calculator {
  background:
    radial-gradient(800px 500px at 10% 100%, rgba(232, 160, 32, 0.06), transparent 60%),
    var(--c-bg);
}

.calc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
  gap: 24px;
  margin-top: 36px;
  align-items: stretch;
}

.calc-left {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.calc-sub {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  margin: 0 0 14px;
}

.calc-freight {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--c-border);
}

.calc-freight-select {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  font-weight: 600;
}

.calc-freight-hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--c-text-muted);
  line-height: 1.5;
}

.calc-modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.calc-mod {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-md);
  color: var(--c-text);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
  font-family: inherit;
}

.calc-mod:hover {
  border-color: rgba(232, 160, 32, 0.45);
  background: rgba(232, 160, 32, 0.04);
}

.calc-mod.is-active {
  border-color: var(--gold);
  background: rgba(232, 160, 32, 0.1);
  box-shadow: 0 0 0 1px rgba(232, 160, 32, 0.4);
}

.calc-mod-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(232, 160, 32, 0.18);
  color: var(--gold-bright);
  font-weight: 800;
  font-size: 0.85rem;
  border: 1px solid rgba(232, 160, 32, 0.3);
}

.calc-mod-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--c-text-strong);
}

.calc-mod-price {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-text-muted);
}

.calc-mod.is-active .calc-mod-price {
  color: var(--gold);
}

.calc-controls {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 20px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--c-border);
}

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

.calc-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-muted);
}

.calc-trucks-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--gold);
}

#calc-trucks {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--gold) 0%,
    var(--gold) var(--calc-fill, 10%),
    rgba(255, 255, 255, 0.08) var(--calc-fill, 10%),
    rgba(255, 255, 255, 0.08) 100%
  );
  outline: none;
}

#calc-trucks::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold-bright);
  border: 3px solid var(--navy);
  cursor: pointer;
  box-shadow: 0 0 0 1px var(--gold), 0 4px 12px rgba(232, 160, 32, 0.4);
}

#calc-trucks::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold-bright);
  border: 3px solid var(--navy);
  cursor: pointer;
  box-shadow: 0 0 0 1px var(--gold), 0 4px 12px rgba(232, 160, 32, 0.4);
}

.calc-range-scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-text-faint);
}

.calc-select {
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-md);
  color: var(--c-text-strong);
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.calc-select:hover,
.calc-select:focus {
  border-color: var(--gold);
  outline: none;
}

.calc-right {
  background: var(--navy);
  border: 1px solid rgba(232, 160, 32, 0.25);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.calc-right::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
}

.calc-total-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-muted);
  margin: 0;
}

.calc-total {
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--gold);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 4px 0 0;
}

.calc-total-sub {
  color: var(--c-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

.calc-breakdown {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-text);
}

.calc-breakdown .calc-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.calc-breakdown .calc-line span:last-child {
  color: var(--gold);
}

.calc-cta {
  margin-top: 8px;
  justify-content: center;
}

.calc-foot {
  font-size: 0.75rem;
  color: var(--c-text-faint);
  margin: 0;
  text-align: center;
}

.calc-payment {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-payment-label {
  display: block;
}

.calc-payment-toggle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 4px;
}

.calc-pay-opt {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 10px 8px;
  background: transparent;
  border: 1.5px solid transparent;
  border-radius: 8px;
  color: var(--c-text);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  font-family: inherit;
}

.calc-pay-opt:hover {
  background: rgba(232, 160, 32, 0.05);
}

.calc-pay-opt.is-active {
  background: rgba(232, 160, 32, 0.12);
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(232, 160, 32, 0.4);
}

.calc-pay-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--c-text-strong);
}

.calc-pay-opt.is-active .calc-pay-name {
  color: var(--gold-bright);
}

.calc-pay-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-text-muted);
}

.calc-pay-opt.is-active .calc-pay-sub {
  color: var(--gold);
}

.calc-savings {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-bright);
  font-family: var(--font-mono);
}

.calc-guarantee {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--c-text-muted);
  line-height: 1.4;
}

.calc-guarantee-icon {
  font-size: 0.9rem;
  line-height: 1;
}

@media (max-width: 880px) {
  .calc-shell { grid-template-columns: 1fr; }
  .calc-controls { grid-template-columns: 1fr; }
  .calc-payment-toggle { grid-template-columns: 1fr; }
}

/* ---- Section 3: Two-Brand Comparison ---- */
.section-brands {
  background:
    radial-gradient(900px 500px at 50% 100%, rgba(232, 160, 32, 0.05), transparent 60%),
    var(--c-bg);
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.brand-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.brand-card:hover {
  transform: translateY(-3px);
}

.brand-card.brand-os {
  background: var(--navy);
  color: var(--c-text-strong);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.brand-card.brand-ai {
  background: var(--navy);
  color: var(--c-text-strong);
  border: 1.5px solid var(--gold);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 4px rgba(232, 160, 32, 0.08);
}

.brand-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brand-pill {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border-radius: 999px;
}

.brand-pill-os {
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-text-strong);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.brand-pill-ai {
  background: rgba(232, 160, 32, 0.15);
  color: var(--gold-bright);
  border: 1px solid rgba(232, 160, 32, 0.5);
}

.brand-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}

.brand-card.brand-os .brand-title { color: var(--c-text-strong); }
.brand-card.brand-ai .brand-title { color: var(--c-text-strong); }

.brand-tag {
  margin: 4px 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.brand-card.brand-os .brand-tag { color: var(--c-text-muted); }
.brand-card.brand-ai .brand-tag { color: var(--c-text-muted); }

.brand-features {
  list-style: none;
  margin: 0;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.brand-card.brand-os .brand-features {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-card.brand-ai .brand-features {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.brand-card.brand-os .brand-features li { color: var(--c-text); }
.brand-card.brand-ai .brand-features li { color: var(--c-text); }

.brand-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  background: var(--gold);
  color: var(--navy);
  margin-top: 1px;
}

.brand-cta {
  align-self: stretch;
  justify-content: center;
}

.brand-card.brand-os .brand-cta {
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-text-strong);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: none;
}

.brand-card.brand-os .brand-cta:hover {
  background: rgba(255, 255, 255, 0.14);
}