: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(2.25rem, 5vw, 3.75rem);
  --text-h2: clamp(1.75rem, 3.5vw, 2.6rem);
  --text-h3: 1.375rem;
  --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-h3: -0.01em; --tracking-eyebrow: 0.14em;
  --leading-tight: 1.05; --leading-snug: 1.15; --leading-normal: 1.5; --leading-relaxed: 1.65;

  /* OTO variant — deep navy + gold */
  --color-brand: #12141a;
  --color-brand-dark: #08090c;
  --color-brand-light: #363b48;
  --color-brand-soft: #e8eaf0;

  --color-accent: #e0a815;         /* gold — page signature */
  --color-accent-dark: #a97907;    /* 4.6:1 on white — large/UI pass */
  --color-accent-bright: #f5c542;
  --color-accent-soft: #fbeec4;

  --color-accent-blue: #4d8ff0;
  --color-accent-teal: #2bb6a8;
  --color-accent-coral: #f2795f;
  --color-accent-amber: #e0a815;
  --color-accent-violet: #9a76f0;
  --color-accent-emerald: #34c07f;

  --color-neutral-0: #ffffff;
  --color-neutral-50: #f6f7f9;
  --color-neutral-100: #eef0f4;
  --color-neutral-200: #e0e3ea;
  --color-neutral-300: #c7ccd6;
  --color-neutral-400: #99a1b1;
  --color-neutral-500: #6b7385;
  --color-neutral-600: #474d5c;
  --color-neutral-700: #2f3440;
  --color-neutral-800: #1c2029;
  --color-neutral-900: #12141a;
  --color-neutral-950: #08090c;

  --color-surface: #ffffff;
  --color-surface-alt: var(--color-neutral-50);
  --color-surface-tinted: color-mix(in oklab, var(--color-accent) 7%, var(--color-neutral-0));
  --color-surface-dark: #12141a;
  --color-surface-dark-2: #1c2029;

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

  --color-border: var(--color-neutral-200);
  --color-border-strong: var(--color-neutral-300);
  --color-border-dark: rgba(255,255,255,0.12);

  --gradient-brand: linear-gradient(135deg, var(--color-accent-bright) 0%, var(--color-accent) 55%, var(--color-accent-dark) 100%);
  --gradient-hero-fade: linear-gradient(180deg, #12141a 0%, #1c2029 100%);
  --gradient-mesh-1: radial-gradient(60% 60% at 15% 10%, color-mix(in oklab, var(--color-accent) 30%, transparent), transparent 68%),
                     radial-gradient(50% 50% at 88% 25%, color-mix(in oklab, #4d8ff0 22%, 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, 0.10);
  --shadow-md: 0 2px 4px rgba(8, 9, 12, 0.06), 0 8px 20px -8px rgba(8, 9, 12, 0.18);
  --shadow-lg: 0 4px 12px rgba(8, 9, 12, 0.10), 0 20px 40px -20px rgba(8, 9, 12, 0.28);
  --shadow-xl: 0 8px 24px rgba(8, 9, 12, 0.12), 0 32px 64px -32px rgba(8, 9, 12, 0.35);
  --shadow-gold-glow: 0 10px 28px -12px color-mix(in oklab, var(--color-accent) 65%, 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; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: var(--text-body); line-height: var(--leading-normal); color: var(--color-text-primary); background: var(--color-surface); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: var(--weight-bold); line-height: var(--leading-snug); margin: 0 0 var(--space-3); }
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); letter-spacing: var(--tracking-h3); font-weight: var(--weight-semibold); }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-text-brand); }

.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: 1200px; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.container-narrow { max-width: 720px; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }

.skip-link { position: absolute; top: -100px; left: 0; background: var(--color-accent); color: #12141a; padding: 12px 16px; z-index: 100; 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; min-width: 240px; }
.btn-primary { background: var(--gradient-brand); color: #12141a; box-shadow: var(--shadow-gold-glow); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 34px -12px color-mix(in oklab, var(--color-accent) 80%, 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-primary:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 40; background: color-mix(in oklab, #12141a 90%, transparent); backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--color-border-dark); height: 68px; transition: height var(--duration-med) var(--ease-out-quart); }
.site-header[data-compact="true"] { height: 54px; }
.site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: var(--weight-bold); font-size: 1.02rem; color: #fff; text-decoration: none; }
.brand-mark { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: var(--radius-md); background: var(--gradient-brand); color: #12141a; }
.brand-mark svg { width: 17px; height: 17px; }
.brand-pill { display: inline-flex; align-items: center; padding: 0.2rem 0.6rem; margin-left: 0.3rem; font-size: 0.62rem; font-weight: var(--weight-bold); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent-bright); border: 1px solid color-mix(in oklab, var(--color-accent) 45%, transparent); border-radius: var(--radius-pill); }
.header-cta-wrap { display: none; }
.site-header .btn { padding: 0.5rem 1.1rem; min-height: 38px; font-size: var(--text-small); }
@media (min-width: 620px) { .header-cta-wrap { display: inline-flex; } }

/* Hero (dark) */
.hero { position: relative; overflow: hidden; padding-block: clamp(2.75rem, 6vw, 5.5rem); background: var(--gradient-hero-fade); color: #fff; }
.hero::before { content: ""; position: absolute; inset: -10% -5% auto -5%; height: 130%; background: var(--gradient-mesh-1); opacity: 0.9; pointer-events: none; }
.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 h1 { color: #fff; max-width: 17ch; }
.hero .eyebrow { color: var(--color-accent-bright); }
.sub-hero { font-size: var(--text-body-lg); color: color-mix(in oklab, #fff 82%, transparent); max-width: 48ch; margin-bottom: var(--space-4); line-height: var(--leading-relaxed); }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.hero-price-note { font-size: var(--text-small); color: color-mix(in oklab, #fff 65%, transparent); margin: var(--space-3) 0 0; }
.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) 32%, transparent); }
.trust-anchor svg { width: 16px; height: 16px; }
.hero-visual { width: 100%; height: auto; display: block; filter: drop-shadow(0 24px 48px rgba(0,0,0,0.4)); border-radius: var(--radius-2xl); }
.hero-figure { margin: 0; position: relative; }
.hero-figure .mock-label { position: absolute; right: 14px; bottom: 14px; padding: 0.3rem 0.7rem; font-size: var(--text-micro); font-weight: var(--weight-bold); letter-spacing: 0.08em; text-transform: uppercase; color: #12141a; background: var(--color-accent-bright); border-radius: var(--radius-pill); box-shadow: var(--shadow-md); }
@media (min-width: 1024px) { .hero-visual { max-width: 620px; margin-left: auto; } }

/* Sections */
main > section { padding-block: var(--pad-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); }
.no-js main > section { opacity: 1; transform: none; }
.section-tinted { background: var(--color-surface-tinted); }
.section-alt { background: var(--color-surface-alt); }
.section-head { margin-bottom: var(--space-5); }
.section-head--center { text-align: center; max-width: 60ch; margin-inline: auto; }
.section-head--left { text-align: left; max-width: 54ch; }
.lead { font-size: var(--text-body-lg); color: var(--color-text-secondary); line-height: var(--leading-relaxed); }

.prose-block { max-width: 62ch; }
.prose-block p { color: var(--color-text-secondary); line-height: var(--leading-relaxed); font-size: var(--text-body-lg); }
.prose-block .pullout { font-family: var(--font-display); font-weight: var(--weight-semibold); font-size: clamp(1.2rem, 2.2vw, 1.5rem); color: var(--color-text-primary); line-height: var(--leading-snug); padding-left: var(--space-4); border-left: 3px solid var(--color-accent); }

/* Feature grid */
.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; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); 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: 0 0 var(--space-1); font-size: 1.075rem; }
.feature-item__body p { margin: 0; color: var(--color-text-muted); font-size: var(--text-small); line-height: var(--leading-normal); }
.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--blue { --tile-bg: color-mix(in oklab, var(--color-accent-blue) 15%, var(--color-surface)); --tile-fg: #2563eb; }
.icon-tile--teal { --tile-bg: color-mix(in oklab, var(--color-accent-teal) 15%, var(--color-surface)); --tile-fg: #0d7d72; }
.icon-tile--coral { --tile-bg: color-mix(in oklab, var(--color-accent-coral) 15%, var(--color-surface)); --tile-fg: #d1492f; }
.icon-tile--amber { --tile-bg: color-mix(in oklab, var(--color-accent-amber) 18%, var(--color-surface)); --tile-fg: var(--color-accent-dark); }
.icon-tile--violet { --tile-bg: color-mix(in oklab, var(--color-accent-violet) 15%, var(--color-surface)); --tile-fg: #6d3ff0; }
.icon-tile--emerald { --tile-bg: color-mix(in oklab, var(--color-accent-emerald) 15%, var(--color-surface)); --tile-fg: #0f9d5b; }

/* Interest wall + list */
.wall { display: grid; gap: var(--space-4); }
@media (min-width: 900px) { .wall { grid-template-columns: 1fr 1fr; align-items: center; } }
.wall-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-3); }
.wall-list li { display: grid; grid-template-columns: 24px 1fr; gap: var(--space-3); align-items: start; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); box-shadow: var(--shadow-xs); color: var(--color-text-secondary); }
.wall-list svg { width: 22px; height: 22px; color: var(--color-accent-dark); margin-top: 1px; }

/* Action / pricing */
.action { background: var(--color-surface-dark); color: #fff; position: relative; overflow: hidden; }
.action::before { content: ""; position: absolute; width: 460px; height: 460px; right: -140px; top: -160px; background: radial-gradient(circle, color-mix(in oklab, var(--color-accent) 32%, transparent), transparent 70%); pointer-events: none; }
.action .container { position: relative; }
.action .section-head--center h2, .action .eyebrow { color: #fff; }
.action .eyebrow { color: var(--color-accent-bright); }
.price-card { max-width: 520px; margin: 0 auto; background: #1c2029; border: 1px solid var(--color-border-dark); border-radius: var(--radius-2xl); padding: clamp(1.75rem, 4vw, 2.75rem); text-align: center; box-shadow: var(--shadow-xl); position: relative; }
.price-card::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius-2xl); padding: 1.5px; background: var(--gradient-brand); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.price-amount { font-family: var(--font-display); font-weight: var(--weight-bold); font-size: clamp(3rem, 7vw, 4.25rem); letter-spacing: -0.04em; line-height: 1; color: #fff; }
.price-amount .price-cur { font-size: 0.45em; vertical-align: super; color: var(--color-accent-bright); }
.price-term { color: color-mix(in oklab, #fff 65%, transparent); font-size: var(--text-small); margin-bottom: var(--space-4); }
.price-list { list-style: none; padding: 0; margin: 0 auto var(--space-5); max-width: 380px; text-align: left; display: grid; gap: var(--space-2); }
.price-list li { display: grid; grid-template-columns: 22px 1fr; gap: var(--space-2); align-items: start; color: color-mix(in oklab, #fff 85%, transparent); font-size: var(--text-small); }
.price-list svg { width: 20px; height: 20px; color: var(--color-accent-bright); margin-top: 2px; }
.price-card .btn { width: 100%; }
.price-subnote { margin-top: var(--space-3); font-size: var(--text-small); color: color-mix(in oklab, #fff 62%, transparent); }

/* Guarantee band */
.guarantee { background: var(--color-surface-alt); }
.guarantee .container { display: grid; gap: var(--space-5); align-items: center; }
@media (min-width: 820px) { .guarantee .container { grid-template-columns: 110px 1fr; } }
.guarantee-shield { display: grid; place-items: center; width: 96px; height: 96px; border-radius: var(--radius-2xl); background: color-mix(in oklab, var(--color-accent) 16%, var(--color-surface)); color: var(--color-accent-dark); }
.guarantee-shield svg { width: 52px; height: 52px; }
.guarantee p { color: var(--color-text-secondary); max-width: 60ch; line-height: var(--leading-relaxed); margin-bottom: 0; }

/* FAQ */
.faq-list { max-width: 720px; margin: var(--space-5) auto 0; display: grid; gap: var(--space-2); }
.faq-list details { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); overflow: hidden; }
.faq-list details[open] { box-shadow: var(--shadow-md); }
.faq-list summary { cursor: pointer; list-style: none; padding: var(--space-4); font-weight: var(--weight-semibold); display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .chev { flex: none; width: 20px; height: 20px; color: var(--color-accent-dark); transition: transform var(--duration-med) var(--ease-out-quart); }
.faq-list details[open] summary .chev { transform: rotate(180deg); }
.faq-body { padding: 0 var(--space-4) var(--space-4); color: var(--color-text-secondary); line-height: var(--leading-relaxed); }
.faq-body p { margin: 0; }

/* Final CTA */
.final-cta { background: var(--gradient-hero-fade); color: #fff; text-align: center; position: relative; overflow: hidden; }
.final-cta::before { content: ""; position: absolute; inset: 0; background: var(--gradient-mesh-1); opacity: 0.7; pointer-events: none; }
.final-cta .container { position: relative; }
.final-cta h2 { color: #fff; }
.final-cta p { max-width: 54ch; margin-inline: auto; color: color-mix(in oklab, #fff 82%, transparent); }
.final-cta .final-guarantee { margin: var(--space-4) 0; font-size: var(--text-small); color: color-mix(in oklab, #fff 70%, transparent); }

/* Footer */
.site-footer { background: var(--color-surface-dark); color: color-mix(in oklab, #fff 70%, transparent); padding-block: var(--space-6); border-top: 1px solid var(--color-border-dark); }
.site-footer .brand { margin-bottom: var(--space-3); }
.site-footer p { font-size: var(--text-small); margin: 0 0 var(--space-2); }
.site-footer a { color: var(--color-accent-bright); }
.footer-legal { font-size: var(--text-micro); color: color-mix(in oklab, #fff 50%, transparent); margin-top: var(--space-4); }

/* Sticky CTA */
.sticky-cta { position: fixed; bottom: 0; left: 0; right: 0; padding: 12px 16px; background: color-mix(in oklab, #12141a 94%, transparent); backdrop-filter: blur(8px); border-top: 1px solid var(--color-border-dark); z-index: 50; transform: translateY(100%); transition: transform var(--duration-med) var(--ease-out-quart); }
.sticky-cta .btn { width: 100%; }
.sticky-cta[data-visible="true"] { transform: translateY(0); }
@media (min-width: 768px) { .sticky-cta { display: none; } }

@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; }
  .sticky-cta { transition: none; }
}