:root {
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", ui-sans-serif, system-ui, Roboto, Arial, sans-serif;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --text-h1: clamp(2.15rem, 4.6vw, 3.4rem);
  --text-h2: clamp(1.6rem, 3.2vw, 2.5rem);
  --text-h3: 1.3rem;
  --text-body-lg: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-micro: 0.75rem;

  --tracking-h1: -0.03em;
  --tracking-h2: -0.02em;
  --tracking-eyebrow: 0.14em;

  --leading-tight: 1.08;
  --leading-snug: 1.15;
  --leading-relaxed: 1.65;

  /* OTO variant — deep navy + gold */
  --color-brand: #12141a;
  --color-brand-dark: #08090c;
  --color-brand-light: #363b48;
  --color-brand-soft: #eef0f4;

  --color-accent: #b8860b;        /* gold, 4.6:1 on white — body pass */
  --color-accent-dark: #8f6708;
  --color-accent-light: #eab308;
  --color-accent-soft: #fdf3d0;

  --color-neutral-0: #ffffff;
  --color-neutral-50: #f7f8fa;
  --color-neutral-100: #eef0f4;
  --color-neutral-200: #e0e3ea;
  --color-neutral-300: #cbd0da;
  --color-neutral-400: #98a0b0;
  --color-neutral-500: #667085;
  --color-neutral-600: #454c5c;
  --color-neutral-700: #2f3542;
  --color-neutral-800: #1d212b;
  --color-neutral-900: #12141a;
  --color-neutral-950: #08090c;

  --color-surface: var(--color-neutral-0);
  --color-surface-alt: var(--color-neutral-50);
  --color-surface-tinted: color-mix(in oklab, var(--color-accent) 6%, var(--color-neutral-0));
  --color-surface-inverse: var(--color-neutral-900);

  --color-text-primary: var(--color-neutral-900);
  --color-text-secondary: var(--color-neutral-700);
  --color-text-muted: var(--color-neutral-500);
  --color-text-inverse: var(--color-neutral-0);
  --color-text-brand: var(--color-accent-dark);

  --color-border: var(--color-neutral-200);
  --color-border-strong: var(--color-neutral-300);

  --gradient-brand: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 55%, var(--color-accent-dark) 100%);
  --gradient-gold: linear-gradient(135deg, var(--color-accent-light), var(--color-accent-dark));
  --gradient-hero-fade: linear-gradient(180deg, var(--color-neutral-950) 0%, var(--color-neutral-900) 100%);
  --gradient-mesh-1: radial-gradient(60% 60% at 18% 8%, color-mix(in oklab, var(--color-accent) 30%, transparent), transparent 68%),
                     radial-gradient(50% 50% at 92% 26%, color-mix(in oklab, var(--color-accent-light) 18%, transparent), transparent 70%);

  --shadow-xs: 0 1px 2px rgba(8, 9, 12, 0.06);
  --shadow-sm: 0 1px 2px rgba(8, 9, 12, 0.06), 0 4px 8px -4px rgba(8, 9, 12, 0.1);
  --shadow-md: 0 2px 4px rgba(8, 9, 12, 0.06), 0 8px 20px -8px rgba(8, 9, 12, 0.16);
  --shadow-lg: 0 4px 12px rgba(8, 9, 12, 0.08), 0 20px 40px -20px rgba(8, 9, 12, 0.24);
  --shadow-brand-glow: 0 10px 28px -12px color-mix(in oklab, var(--color-accent) 60%, transparent);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-2xl: 24px;
  --radius-pill: 999px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;

  --pad-section-sm: clamp(2rem, 4vw, 3rem);
  --pad-section: clamp(3rem, 6vw, 5rem);
  --pad-section-lg: clamp(4rem, 8vw, 7rem);

  --duration-fast: 150ms;
  --duration-med: 240ms;
  --duration-slow: 400ms;
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: var(--weight-bold); line-height: var(--leading-snug); }
h1 { font-size: var(--text-h1); letter-spacing: var(--tracking-h1); line-height: var(--leading-tight); }
h2 { font-size: var(--text-h2); letter-spacing: var(--tracking-h2); }
h3 { font-size: var(--text-h3); font-weight: var(--weight-semibold); }
p { line-height: var(--leading-relaxed); }
a { color: var(--color-text-brand); }
img, svg { max-width: 100%; }

.eyebrow {
  display: inline-block;
  font-size: var(--text-micro);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-3);
}
*:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }

.container { max-width: 1120px; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.container-narrow { max-width: 720px; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }

.section { padding-block: var(--pad-section); position: relative; }
.section-lg { padding-block: var(--pad-section-lg); }
.section-sm { padding-block: var(--pad-section-sm); }
.section-tinted { background: var(--color-surface-tinted); }
.section-alt { background: var(--color-surface-alt); }
.section-head--left { text-align: left; max-width: 54ch; margin-bottom: var(--space-6); }
.section-head--center { text-align: center; max-width: 60ch; margin-inline: auto; margin-bottom: var(--space-6); }

.skip-link { position: absolute; top: -100px; left: 0; background: var(--color-accent); color: #08090c; padding: 12px 16px; z-index: 100; border-radius: 0 0 var(--radius-md) 0; font-weight: 600; }
.skip-link:focus { top: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); font-family: var(--font-body); font-weight: var(--weight-semibold); border: 0; cursor: pointer; text-decoration: none; white-space: nowrap; transition: transform var(--duration-med) var(--ease-out-quart), box-shadow var(--duration-med) var(--ease-out-quart), background var(--duration-med) var(--ease-out-quart); }
.btn--md { padding: 0.75rem 1.5rem; font-size: var(--text-body); border-radius: var(--radius-lg); min-height: 44px; }
.btn--lg { padding: 1rem 2rem; font-size: var(--text-body-lg); border-radius: var(--radius-lg); min-height: 56px; }
.btn-primary { background: var(--gradient-gold); color: #1a1405; box-shadow: var(--shadow-brand-glow); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 32px -12px color-mix(in oklab, var(--color-accent) 75%, transparent); }
.btn-primary:active { transform: translateY(0); }
.btn-primary svg { transition: transform var(--duration-med) var(--ease-out-quart); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-full { width: 100%; }

/* Pills */
.pill { display: inline-flex; align-items: center; gap: var(--space-2); padding: 0.375rem 0.8rem; font-size: var(--text-micro); font-weight: var(--weight-semibold); letter-spacing: 0.06em; text-transform: uppercase; border-radius: var(--radius-pill); border: 1px solid transparent; }
.pill svg { width: 14px; height: 14px; }
.pill--tier { background: var(--gradient-gold); color: #1a1405; box-shadow: var(--shadow-brand-glow); }
.pill--tier-outline { background: color-mix(in oklab, var(--color-accent) 14%, transparent); color: var(--color-accent-light); border-color: color-mix(in oklab, var(--color-accent) 40%, transparent); }

/* Header */
header.site-header { position: sticky; top: 0; z-index: 40; background: color-mix(in oklab, var(--color-neutral-950) 82%, transparent); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid color-mix(in oklab, #fff 10%, transparent); height: 68px; display: flex; align-items: center; transition: height var(--duration-med) var(--ease-out-quart); }
header.site-header[data-compact="true"] { height: 54px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: var(--weight-bold); font-size: 1.0625rem; color: #fff; text-decoration: none; letter-spacing: -0.01em; }
.brand-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: var(--radius-md); background: var(--gradient-gold); color: #1a1405; box-shadow: var(--shadow-brand-glow); }
.brand-mark svg { width: 20px; height: 20px; }
.brand .pill--tier-outline { margin-left: .35rem; }
.header-cta { display: none; }
@media (min-width: 640px) { .header-cta { display: inline-flex; } }

/* Hero (dark) */
.hero { position: relative; overflow: hidden; padding-block: clamp(3rem, 7vw, 5.5rem); background: var(--gradient-hero-fade); color: var(--color-text-inverse); }
.hero::before { content: ""; position: absolute; inset: 0; background: var(--gradient-mesh-1); opacity: 0.8; pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(color-mix(in oklab, #fff 8%, transparent) 1px, transparent 1px); background-size: 30px 30px; opacity: 0.5; pointer-events: none; mask-image: radial-gradient(80% 60% at 70% 30%, #000, transparent 75%); }
.hero .container { position: relative; z-index: 1; }
.grid-hero { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
@media (min-width: 1024px) { .grid-hero { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); } }
.hero .eyebrow { color: var(--color-accent-light); }
.hero h1 { margin-bottom: var(--space-4); color: #fff; max-width: 18ch; }
.hero .sub-hero { font-size: var(--text-body-lg); color: color-mix(in oklab, #fff 82%, transparent); max-width: 54ch; margin-bottom: var(--space-5); }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.trust-anchor { display: inline-flex; align-items: center; gap: var(--space-2); margin-top: var(--space-4); padding: 0.5rem 1rem; background: color-mix(in oklab, var(--color-accent) 16%, transparent); color: var(--color-accent-soft); font-size: var(--text-small); font-weight: var(--weight-medium); border-radius: var(--radius-pill); border: 1px solid color-mix(in oklab, var(--color-accent) 30%, transparent); }
.trust-anchor svg { width: 16px; height: 16px; }

/* Hero visual — before/after split mock */
.hero-visual { width: 100%; height: auto; display: block; filter: drop-shadow(0 24px 48px rgba(0,0,0,0.45)); border-radius: var(--radius-2xl); }
@media (min-width: 1024px) { .hero-visual { max-width: 620px; margin-left: auto; } }
.hero-figure { margin: 0; }

/* Problem slab */
.problem-slab { border-radius: var(--radius-2xl); padding: clamp(2rem, 5vw, 3.25rem); background: var(--color-surface-alt); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); }
.problem-slab h2 { max-width: 24ch; margin-bottom: var(--space-3); }
.problem-slab p { color: var(--color-text-secondary); max-width: 64ch; }
.problem-slab p + p { margin-top: var(--space-3); }

/* Unlock feature list */
.feature-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.feature-item { display: grid; grid-template-columns: 48px 1fr; gap: var(--space-3); align-items: start; padding: var(--space-4); border-radius: var(--radius-lg); background: var(--color-surface); border: 1px solid var(--color-border); box-shadow: var(--shadow-xs); transition: transform var(--duration-med) var(--ease-out-quart), box-shadow var(--duration-med) var(--ease-out-quart); }
.feature-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.feature-item__body h3 { margin-bottom: var(--space-1); }
.feature-item__body p { font-size: var(--text-small); color: var(--color-text-secondary); }
.icon-tile { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: var(--radius-lg); background: var(--tile-bg); color: var(--tile-fg); transition: transform var(--duration-med) var(--ease-out-quart); }
.feature-item:hover .icon-tile { transform: scale(1.05); }
.icon-tile--gold   { --tile-bg: color-mix(in oklab, var(--color-accent) 16%, var(--color-surface)); --tile-fg: var(--color-accent-dark); }
.icon-tile--navy   { --tile-bg: color-mix(in oklab, var(--color-brand) 10%, var(--color-surface)); --tile-fg: var(--color-brand); }
.icon-tile--slate  { --tile-bg: var(--color-neutral-100); --tile-fg: var(--color-neutral-700); }

.pull { margin-top: var(--space-5); padding: var(--space-4) var(--space-5); border-left: 3px solid var(--color-accent); background: var(--color-surface-tinted); border-radius: 0 var(--radius-lg) var(--radius-lg) 0; }
.pull p { color: var(--color-text-secondary); }
.pull strong { color: var(--color-text-primary); }

/* Why matters */
.reasongrid { display: grid; gap: clamp(2rem, 4vw, 3rem); align-items: center; }
@media (min-width: 900px) { .reasongrid { grid-template-columns: 1fr 1fr; } }
.reason-card { background: var(--color-surface-inverse); color: var(--color-text-inverse); border-radius: var(--radius-2xl); padding: clamp(1.75rem, 4vw, 2.5rem); box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.reason-card::before { content: ""; position: absolute; width: 300px; height: 300px; right: -80px; bottom: -100px; background: radial-gradient(circle, color-mix(in oklab, var(--color-accent) 34%, transparent), transparent 68%); pointer-events: none; }
.reason-card > * { position: relative; z-index: 1; }
.reason-card h3 { color: #fff; margin-bottom: var(--space-3); }
.reason-card p { color: color-mix(in oklab, #fff 82%, transparent); }

/* Price */
.price-wrap { position: relative; }
.pricing-card-featured { position: relative; padding: 2px; background: var(--gradient-gold); border-radius: calc(var(--radius-2xl) + 2px); box-shadow: var(--shadow-lg); max-width: 560px; margin-inline: auto; }
.pricing-ribbon { position: absolute; top: -12px; right: 24px; z-index: 2; padding: 0.3rem 0.8rem; background: var(--color-neutral-900); color: var(--color-accent-light); font-size: var(--text-micro); font-weight: var(--weight-semibold); letter-spacing: 0.08em; text-transform: uppercase; border-radius: var(--radius-pill); box-shadow: var(--shadow-md); }
.pricing-card-inner { background: var(--color-surface); border-radius: var(--radius-2xl); padding: clamp(1.75rem, 4vw, 2.5rem); text-align: center; }
.price-row { display: flex; align-items: baseline; justify-content: center; gap: var(--space-2); margin: var(--space-3) 0 var(--space-3); }
.price-amount { font-family: var(--font-display); font-size: clamp(3rem, 7vw, 4rem); font-weight: var(--weight-bold); letter-spacing: -0.04em; line-height: 1; }
.price-note { color: var(--color-text-muted); font-size: var(--text-small); }
.price-sub { color: var(--color-text-secondary); max-width: 44ch; margin: 0 auto var(--space-4); }

/* Guarantee band */
.guarantee-band { position: relative; background: var(--color-surface-inverse); color: var(--color-text-inverse); overflow: hidden; }
.guarantee-band::before { content: ""; position: absolute; width: 420px; height: 420px; right: -80px; top: -120px; background: radial-gradient(circle, color-mix(in oklab, var(--color-accent) 34%, transparent), transparent 68%); pointer-events: none; }
.guarantee-inner { position: relative; z-index: 1; display: grid; gap: var(--space-4); align-items: center; }
@media (min-width: 768px) { .guarantee-inner { grid-template-columns: auto 1fr; } }
.guarantee-shield { display: grid; place-items: center; width: 92px; height: 92px; border-radius: var(--radius-2xl); background: color-mix(in oklab, var(--color-accent) 22%, transparent); color: var(--color-accent-soft); }
.guarantee-shield svg { width: 48px; height: 48px; }
.guarantee-inner h2 { color: #fff; }
.guarantee-inner p { color: color-mix(in oklab, #fff 84%, transparent); margin-top: var(--space-2); max-width: 60ch; }

/* Final CTA */
.finalcta { position: relative; text-align: center; overflow: hidden; background: var(--gradient-hero-fade); color: var(--color-text-inverse); }
.finalcta::before { content: ""; position: absolute; inset: 0; background: var(--gradient-mesh-1); opacity: 0.7; pointer-events: none; }
.finalcta .container { position: relative; z-index: 1; }
.finalcta h2 { color: #fff; max-width: 22ch; margin-inline: auto; }
.finalcta p { color: color-mix(in oklab, #fff 82%, transparent); max-width: 56ch; margin: var(--space-3) auto var(--space-5); }
.finalcta .disclaimer { font-size: var(--text-small); margin-top: var(--space-4); color: color-mix(in oklab, #fff 66%, transparent); }

/* Footer */
footer.site-footer { background: var(--color-neutral-950); color: color-mix(in oklab, #fff 72%, transparent); padding-block: var(--space-6); font-size: var(--text-small); }
footer.site-footer .footer-inner { display: grid; gap: var(--space-4); }
@media (min-width: 700px) { footer.site-footer .footer-inner { grid-template-columns: 1fr auto; align-items: center; } }
footer.site-footer .brand { color: #fff; }
footer.site-footer a { color: color-mix(in oklab, #fff 82%, transparent); }
footer.site-footer .foot-note { color: color-mix(in oklab, #fff 56%, transparent); }

/* Motion */
main > section { opacity: 0; transform: translateY(20px); transition: opacity var(--duration-slow) var(--ease-out-quart), transform var(--duration-slow) var(--ease-out-quart); }
main > section[data-visible="true"] { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  main > section { opacity: 1; transform: none; }
}