:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7.5rem);

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem; --space-5: 1.25rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;
  --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --color-bg: #f6f4ee;
  --color-surface: #ffffff;
  --color-surface-offset: #ece8de;
  --color-border: oklch(0.3 0.03 250 / 0.12);
  --color-text: #13202e;
  --color-text-muted: #56606b;
  --color-primary: #0b4f8c;
  --color-primary-hover: #083d6d;
  --color-primary-deep: #072a4a;
  --color-accent: #f4c430;
  --color-accent-hover: #e3b116;
  --color-zone: #e8d94a;

  --radius-sm: .375rem; --radius-md: .625rem; --radius-lg: 1rem; --radius-xl: 1.5rem; --radius-full: 999px;
  --shadow-sm: 0 1px 2px oklch(0.25 0.04 250 / .08);
  --shadow-md: 0 8px 24px -8px oklch(0.25 0.05 250 / .18);

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --wrap: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: var(--text-base); line-height: 1.6; color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; background: var(--color-surface-offset); }
a { color: var(--color-primary); }
h1, h2, h3 { margin: 0; line-height: 1.05; }
h2 { font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); letter-spacing: -0.02em; max-width: 18ch; }
h3 { font-size: var(--text-lg); font-weight: 700; line-height: 1.2; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

.wrap { width: min(100% - 2 * clamp(var(--space-5), 4vw, var(--space-12)), var(--wrap)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: var(--space-2); background: var(--color-text); color: #fff; padding: var(--space-2) var(--space-4); z-index: 100; border-radius: var(--radius-sm); }
.skip:focus { left: var(--space-2); }
.muted { color: var(--color-text-muted); font-size: var(--text-sm); }
.eyebrow { font-size: var(--text-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-4); }
.eyebrow--dark { color: var(--color-primary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: 48px; padding: 0 var(--space-6); border-radius: var(--radius-full); font-weight: 700; font-size: var(--text-sm); text-decoration: none; background: var(--color-primary); color: #fff; border: 2px solid transparent; transition: background .2s var(--ease), transform .2s var(--ease); white-space: nowrap; }
.btn:hover { background: var(--color-primary-hover); }
.btn:active { transform: translateY(1px); }
.btn--small { min-height: 44px; padding: 0 var(--space-5); }
.btn--accent { background: var(--color-accent); color: var(--color-primary-deep); }
.btn--accent:hover { background: var(--color-accent-hover); }
.btn--ghost { background: transparent; color: #fff; border-color: oklch(1 0 0 / .55); }
.btn--ghost:hover { background: oklch(1 0 0 / .12); }

/* Brand */
.brand { display: inline-flex; align-items: center; text-decoration: none; flex: none; border-radius: 6px; transition: transform .2s var(--ease), filter .2s var(--ease); }
.brand img { display: block; height: 42px; width: auto; background: transparent; border-radius: 0; filter: drop-shadow(0 1px 1px oklch(0.3 0.08 250 / .18)); }
.brand:hover { transform: translateY(-1px); }
.brand--light img { height: 46px; filter: none; opacity: .95; }
.brand--light:hover img { opacity: 1; }
@media (max-width: 560px) { .brand img { height: 36px; } }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: oklch(0.97 0.008 90 / .9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.header__inner { display: flex; align-items: center; gap: var(--space-8); height: 72px; }
.nav { display: flex; gap: var(--space-6); margin-left: auto; }
.nav a { color: var(--color-text); text-decoration: none; font-weight: 500; font-size: var(--text-sm); padding: var(--space-2) 0; position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav a:hover::after { transform: scaleX(1); }
.menu-btn { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; padding: 10px; }
.menu-btn span { display: block; height: 2px; background: var(--color-text); margin: 6px 0; transition: transform .25s var(--ease); }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile-nav { display: grid; gap: var(--space-1); padding: var(--space-4) clamp(var(--space-5), 4vw, var(--space-12)) var(--space-6); border-top: 1px solid var(--color-border); }
.mobile-nav[hidden] { display: none; }
.mobile-nav a:not(.btn) { color: var(--color-text); text-decoration: none; font-weight: 600; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
.mobile-nav .btn { margin-top: var(--space-4); }
@media (max-width: 860px) {
  .nav, .header__inner > .btn { display: none; }
  .menu-btn { display: block; }
}

/* Hero */
.hero { position: relative; min-height: min(88vh, 860px); display: flex; flex-direction: column; justify-content: flex-end; color: #fff; overflow: hidden; isolation: isolate; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; z-index: -2; }
.hero__shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, oklch(0.2 0.06 250 / .82) 0%, oklch(0.2 0.06 250 / .55) 42%, oklch(0.2 0.06 250 / 0) 75%), linear-gradient(0deg, oklch(0.18 0.06 250 / .7) 0%, transparent 40%); }
.hero__content { padding-top: var(--space-24); }
.hero h1 { font-family: var(--font-display); font-weight: 800; font-size: var(--text-hero); letter-spacing: -0.035em; line-height: .92; }
.hero__lede { margin-top: var(--space-6); max-width: 44ch; font-size: var(--text-base); color: oklch(1 0 0 / .9); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.facts { list-style: none; padding: 0; margin-top: clamp(var(--space-12), 7vw, var(--space-20)); margin-bottom: clamp(var(--space-6), 3vw, var(--space-10)); display: grid; grid-template-columns: repeat(4, 1fr); background: oklch(1 0 0 / .1); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid oklch(1 0 0 / .2); border-radius: var(--radius-lg); }
.facts li { display: grid; gap: 2px; padding: var(--space-5) var(--space-6); border-left: 1px solid oklch(1 0 0 / .18); }
.facts li:first-child { border-left: 0; }
.facts__k { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .12em; color: var(--color-accent); font-weight: 700; }
.facts__v { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); }
.facts__s { font-size: var(--text-xs); color: oklch(1 0 0 / .8); }
.facts__s a { color: #fff; }
@media (max-width: 860px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li:nth-child(3) { border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid oklch(1 0 0 / .18); }
  .hero__shade { background: linear-gradient(0deg, oklch(0.18 0.06 250 / .92) 0%, oklch(0.2 0.06 250 / .6) 60%, oklch(0.2 0.06 250 / .35) 100%); }
}

/* Sections */
.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }

/* Rates */
.rates__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(var(--space-10), 6vw, var(--space-24)); align-items: center; }
.rates__text p { margin-top: var(--space-6); max-width: 46ch; }
.tariff { margin: var(--space-8) 0 0; display: grid; gap: 0; border-top: 1px solid var(--color-border); }
.tariff div { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-4); padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border); }
.tariff dt { color: var(--color-text-muted); }
.tariff dd { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: var(--color-primary); }
.calc { background: var(--color-primary-deep); color: #fff; border-radius: var(--radius-xl); padding: clamp(var(--space-6), 4vw, var(--space-12)); box-shadow: var(--shadow-md); }
.calc h3 { margin-bottom: var(--space-6); }
.calc__label { display: block; font-size: var(--text-sm); color: oklch(1 0 0 / .8); margin-bottom: var(--space-3); }
.calc__label output { color: #fff; font-weight: 700; }
.calc input[type=range] { width: 100%; height: 44px; -webkit-appearance: none; appearance: none; background: transparent; cursor: pointer; }
.calc input[type=range]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(to right, var(--color-accent) var(--fill, 10%), oklch(1 0 0 / .2) var(--fill, 10%)); }
.calc input[type=range]::-moz-range-track { height: 6px; border-radius: 3px; background: oklch(1 0 0 / .2); }
.calc input[type=range]::-moz-range-progress { height: 6px; border-radius: 3px; background: var(--color-accent); }
.calc input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; border-radius: 50%; background: #fff; border: 4px solid var(--color-accent); margin-top: -10px; }
.calc input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid var(--color-accent); }
.calc__ticks { display: flex; justify-content: space-between; font-size: var(--text-xs); color: oklch(1 0 0 / .6); }
.calc__total { margin-top: var(--space-8); font-family: var(--font-display); font-weight: 800; font-size: var(--text-hero); line-height: 1; letter-spacing: -0.03em; display: flex; align-items: baseline; gap: var(--space-3); }
.calc__total span { font-size: var(--text-xl); color: var(--color-accent); }
.calc__total output { display: inline-block; transition: transform .25s var(--ease); }
.calc__total output.bump { transform: translateY(-4px); }
.calc__note { margin-top: var(--space-4); font-size: var(--text-xs); color: oklch(1 0 0 / .7); }
@media (max-width: 860px) { .rates__grid { grid-template-columns: 1fr; } }

/* Pay */
.pay { background: var(--color-surface); }
.pay h2 { margin-bottom: clamp(var(--space-8), 5vw, var(--space-16)); }
.pay__feature { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.pay__feature-img { border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 4 / 5; }
.pay__feature-img img { width: 100%; height: 100%; object-fit: cover; }
.pay__feature-text h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; margin: var(--space-4) 0 var(--space-4); }
.pay__feature-text > p { max-width: 52ch; }
.tag { display: inline-block; font-size: var(--text-xs); font-weight: 700; background: var(--color-accent); color: var(--color-primary-deep); padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); }
.ticks { list-style: none; padding: 0; margin: var(--space-6) 0 0; display: grid; gap: var(--space-3); }
.ticks li { position: relative; padding-left: var(--space-8); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%; background: var(--color-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 11px no-repeat; }
.app-badge { margin-top: var(--space-8); display: flex; align-items: center; gap: var(--space-4); padding: var(--space-3); padding-right: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-lg); max-width: 440px; }
.app-badge img { border-radius: var(--radius-md); background: transparent; }
.app-badge div { display: grid; flex: 1; line-height: 1.3; }
.app-badge span { font-size: var(--text-xs); color: var(--color-text-muted); }
.pay__duo { margin-top: clamp(var(--space-12), 7vw, var(--space-24)); display: grid; grid-template-columns: 7fr 5fr; gap: var(--space-6); }
.pay__card { background: var(--color-bg); border-radius: var(--radius-xl); overflow: hidden; display: flex; flex-direction: column; }
.pay__card > img { aspect-ratio: 1024 / 560; object-fit: cover; width: 100%; }
.pay__card-body { padding: clamp(var(--space-6), 3vw, var(--space-10)); display: grid; gap: var(--space-4); align-content: start; }
.mini { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); padding: var(--space-4) 0; border-block: 1px solid var(--color-border); }
.mini dt { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.mini dd { margin: var(--space-1) 0 0; font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: var(--color-primary); line-height: 1.2; }
.mini small { display: block; font-family: var(--font-body); font-size: var(--text-xs); font-weight: 500; color: var(--color-text-muted); }
.pay__card--coins { background: var(--color-primary); color: #fff; }
.pay__card--coins .muted { color: oklch(1 0 0 / .75); }
.coins-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .12em; font-weight: 700; color: var(--color-accent); margin-top: var(--space-4); }
.coins { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--space-3); }
.coins li { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: 700; color: oklch(1 0 0 / .85); transition: transform .3s var(--ease); }
.coins img { --s: 76px; width: var(--s); height: var(--s); object-fit: contain; background: transparent; filter: drop-shadow(0 6px 10px oklch(0 0 0 / .35)); }
.coins li:nth-child(3) img { --s: 64px; }
.coins li:nth-child(4) img { --s: 58px; }
.coins li:nth-child(5) img { --s: 52px; }
.coins li:hover { transform: translateY(-4px) rotate(-6deg); }
.footer__credit { font-size: var(--text-xs); opacity: .7; }
.footer__credit a { color: inherit; text-decoration: underline; }
@media (max-width: 860px) {
  .pay__feature, .pay__duo { grid-template-columns: 1fr; }
  .pay__feature-img { aspect-ratio: 4 / 5; }
}

/* Zones */
.zones__head { display: flex; justify-content: space-between; align-items: end; gap: var(--space-8); flex-wrap: wrap; margin-bottom: var(--space-10); }
.zones__head p:not(.eyebrow) { margin-top: var(--space-4); max-width: 50ch; color: var(--color-text-muted); }
.tabs { display: inline-flex; padding: var(--space-1); background: var(--color-surface-offset); border-radius: var(--radius-full); }
.tabs button { font: inherit; font-weight: 700; font-size: var(--text-sm); border: 0; background: transparent; color: var(--color-text-muted); padding: 0 var(--space-6); min-height: 44px; border-radius: var(--radius-full); cursor: pointer; transition: background .25s var(--ease), color .25s var(--ease); }
.tabs button[aria-selected="true"] { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.zone { margin: 0; border-radius: var(--radius-xl); overflow: hidden; position: relative; background: var(--color-primary-deep); animation: fade .45s var(--ease); }
.zone img { width: 100%; max-height: 680px; object-fit: cover; }
.zone figcaption { position: absolute; left: var(--space-5); bottom: var(--space-5); background: oklch(1 0 0 / .94); color: var(--color-text); padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 600; display: flex; align-items: center; gap: var(--space-2); }
.swatch { width: 14px; height: 14px; border-radius: 3px; background: var(--color-zone); border: 1px solid oklch(0.5 0.1 100 / .6); }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Enforcement */
.enforce { background: var(--color-primary-deep); color: #fff; }
.enforce__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(var(--space-8), 6vw, var(--space-24)); align-items: start; }
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.steps li { counter-increment: s; position: relative; padding: var(--space-6) 0 var(--space-6) var(--space-16); border-top: 1px solid oklch(1 0 0 / .15); color: oklch(1 0 0 / .85); }
.steps li::before { content: "0" counter(s); position: absolute; left: 0; top: var(--space-5); font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); color: var(--color-accent); line-height: 1; }
.steps strong { display: block; color: #fff; font-size: var(--text-lg); margin-bottom: var(--space-1); }
.steps a { color: var(--color-accent); }
@media (max-width: 860px) { .enforce__grid { grid-template-columns: 1fr; } }

/* FAQ */
.faq__grid { display: grid; grid-template-columns: 4fr 7fr; gap: clamp(var(--space-8), 6vw, var(--space-24)); }
.faq__grid > div:first-child p { margin-top: var(--space-4); }
.faq__list { border-top: 1px solid var(--color-border); }
details { border-bottom: 1px solid var(--color-border); }
summary { cursor: pointer; list-style: none; padding: var(--space-5) var(--space-10) var(--space-5) 0; font-weight: 700; position: relative; min-height: 44px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: ""; position: absolute; right: var(--space-2); top: 50%; width: 12px; height: 12px; border-right: 2px solid var(--color-primary); border-bottom: 2px solid var(--color-primary); transform: translateY(-75%) rotate(45deg); transition: transform .3s var(--ease); }
details[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
details p { padding: 0 var(--space-10) var(--space-6) 0; color: var(--color-text-muted); max-width: 62ch; }
@media (max-width: 860px) { .faq__grid { grid-template-columns: 1fr; } }

/* Contact */
.contact { background: var(--color-accent); padding-block: clamp(var(--space-12), 7vw, var(--space-24)); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-10); align-items: center; }
.contact h2 { color: var(--color-primary-deep); }
.contact__links { display: grid; gap: var(--space-3); }
.contact__item { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); background: var(--color-primary-deep); color: #fff; text-decoration: none; padding: var(--space-5) var(--space-6); border-radius: var(--radius-lg); transition: transform .25s var(--ease), background .25s var(--ease); }
.contact__item:hover { background: var(--color-primary); transform: translateX(4px); }
.contact__item span { color: oklch(1 0 0 / .75); font-size: var(--text-sm); }
.contact__item strong { font-family: var(--font-display); font-size: var(--text-lg); }
.faq__group { font-family: var(--font-display); font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .1em; color: var(--color-primary); padding: var(--space-8) 0 var(--space-2); border-bottom: 1px solid var(--color-border); }
.faq__list > .faq__group:first-child { padding-top: var(--space-4); }
.faq__list { border-top: 0; }
.contact__form { grid-column: 1 / -1; background: #fff; border-radius: var(--radius-xl); padding: clamp(var(--space-6), 4vw, var(--space-10)); display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4) var(--space-6); color: var(--color-text); }
.contact__form h3 { grid-column: 1 / -1; font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-primary-deep); }
.contact__form .field:nth-of-type(3), .contact__form .btn, .contact__note { grid-column: 1 / -1; }
.contact__form .btn { justify-self: start; }
.field { display: grid; gap: var(--space-2); }
.field label { font-weight: 700; font-size: var(--text-sm); }
.field small { font-weight: 400; color: var(--color-text-muted); }
.field input, .field textarea { font: inherit; padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg); min-height: 44px; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; border-color: transparent; }
.contact__note { font-size: var(--text-xs); color: var(--color-text-muted); }
@media (max-width: 860px) { .contact__form { grid-template-columns: 1fr; } }
@media (max-width: 860px) { .contact__grid { grid-template-columns: 1fr; } .contact__item { flex-direction: column; align-items: flex-start; gap: var(--space-1); } }

/* Footer */
.footer { background: var(--color-primary-deep); color: oklch(1 0 0 / .7); padding-block: var(--space-10); font-size: var(--text-xs); }
.footer__inner { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); flex-wrap: wrap; }
.pay__card--coins .pay__card-body { flex: 1; align-content: center; }
a[href^="tel:"] { white-space: nowrap; }