/* ==========================================================================
   Sovereign — landing page
   Swiss / International Typographic Style. White dominates, black structures,
   red (#E50914) is the only accent.
   ========================================================================== */

:root {
  --red: #E50914;
  --red-dark: #c40711;
  --black: #0A0A0A;
  --white: #FFFFFF;
  --grey-50: #F5F5F6;
  --grey-200: #E4E4E6;
  --grey-500: #6B6B70;
  --grey-700: #3D3D42;

  --font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --container: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --section-y: clamp(72px, 10vw, 128px);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--black); background: var(--white); line-height: 1.5; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
svg { display: block; }

:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }

.skip-link { position: absolute; left: 16px; top: -60px; background: var(--black); color: #fff; padding: 10px 16px; border-radius: 6px; z-index: 200; transition: top .2s; }
.skip-link:focus { top: 12px; }

/* ---------- Type ---------- */
.eyebrow { color: var(--red); font-size: 11px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; line-height: 1.9; margin-bottom: 28px; }
h1, h2, h3 { font-weight: 800; letter-spacing: -.035em; line-height: 1.02; }
h1 { font-size: clamp(52px, 7.4vw, 96px); letter-spacing: -.055em; line-height: .96; margin-bottom: 36px; }
h2 { font-size: clamp(34px, 4.4vw, 56px); letter-spacing: -.045em; line-height: 1.02; }
h3 { font-size: 19px; letter-spacing: -.02em; line-height: 1.2; }
.lede { max-width: 30em; font-size: clamp(16px, 1.4vw, 19px); line-height: 1.6; color: var(--grey-700); margin-bottom: 40px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 26px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; transition: background .2s, transform .2s var(--ease); }
.btn-red { background: var(--red); color: #fff; }
a.btn-red:hover { background: var(--red-dark); transform: translateY(-1px); }

.store-buttons { display: flex; flex-wrap: wrap; gap: 14px; }
.store-btn { display: inline-flex; align-items: center; gap: 12px; height: 56px; padding: 0 22px 0 18px; background: var(--black); color: #fff; border-radius: 10px; font-size: 19px; font-weight: 600; letter-spacing: -.02em; line-height: 1.05; transition: transform .2s var(--ease), background .2s; }
.store-btn:hover { background: #26262a; transform: translateY(-2px); }
.store-btn svg { width: 26px; height: 26px; flex: none; }
.store-btn small { display: block; font-size: 10.5px; font-weight: 500; letter-spacing: 0; opacity: .85; margin-bottom: 2px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid transparent; transition: border-color .25s; }
.site-header.scrolled { border-bottom-color: var(--grey-200); }
.nav { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 84px; }
.nav-cta { justify-self: end; height: 44px; padding-inline: 22px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 800; letter-spacing: -.03em; line-height: 1.02; }
.logo-mark { height: 42px; width: auto; flex: none; }
.nav-links { display: flex; gap: clamp(16px, 2.4vw, 36px); }
.nav-links a { position: relative; font-size: 13.5px; font-weight: 500; padding: 6px 0; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); align-items: center; gap: 24px; padding-top: clamp(32px, 5vw, 64px); padding-bottom: var(--section-y); min-height: 720px; }
.hero-copy > * { animation: rise .8s var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: .08s; }
.hero-copy > :nth-child(3) { animation-delay: .16s; }
.hero-copy > :nth-child(4) { animation-delay: .24s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.hero-phones { position: relative; height: 660px; }

/* ---------- Phones (app screenshots in a CSS device frame) ---------- */
.phone { position: absolute; background: #0d0d0f; border-radius: 46px; padding: 9px; box-shadow: inset 0 0 0 2px #3a3a3e, 0 40px 60px -30px rgba(0,0,0,.35); }
.phone-island { position: absolute; top: 18px; left: 50%; width: 88px; height: 24px; border-radius: 14px; background: #000; transform: translateX(-50%); z-index: 3; }
.screen { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; background: #111; border-radius: 38px; }
.phone-main { left: 0; top: 0; width: 300px; height: 628px; z-index: 2; animation: rise .9s .2s var(--ease) both; }
.phone-map { right: 0; top: 70px; width: 270px; height: 563px; z-index: 1; animation: rise .9s .35s var(--ease) both; }


/* Avatars (testimonial) */
.ava { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; font-size: 10px; font-weight: 700; color: #fff; flex: none; background: linear-gradient(135deg, #5b5b60, #2b2b2e); }
.ava.lg { width: 54px; height: 54px; font-size: 15px; }
.a1 { background: linear-gradient(135deg, #8a5a44, #4a2c20); }
.a2 { background: linear-gradient(135deg, #a9745a, #5c3526); }
.a3 { background: linear-gradient(135deg, #5a4436, #241611); }

/* ---------- Sections ---------- */
.features, .how, .community, .faq, .products, .contact { padding-bottom: var(--section-y); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 8vw, 120px); align-items: end; margin-bottom: clamp(48px, 6vw, 80px); }
.split-note { max-width: 27em; font-size: 17px; line-height: 1.6; color: var(--grey-700); padding-bottom: 4px; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--grey-200); }
.feature-grid li { padding: 40px 28px 8px 0; }
.feature-grid li + li { padding-left: 28px; border-left: 1px solid var(--grey-200); }
.feature-grid h3 { margin: 28px 0 10px; }
.feature-grid p { font-size: 15px; line-height: 1.55; color: var(--grey-500); max-width: 15em; }
.icon-disc { display: grid; place-items: center; width: 68px; height: 68px; border-radius: 50%; background: var(--black); color: #fff; transition: transform .35s var(--ease); }
.icon-disc.red { background: var(--red); }
.icon-disc svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.feature-grid li:hover .icon-disc { transform: translateY(-4px); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); counter-reset: s; border-top: 2px solid var(--black); }
.steps li { padding: 32px 32px 0 0; }
.steps li + li { padding-left: 32px; border-left: 1px solid var(--grey-200); }
.step-no { display: block; font-size: clamp(64px, 8vw, 112px); font-weight: 800; letter-spacing: -.06em; line-height: 1; color: var(--red); margin-bottom: 28px; }
.steps h3 { font-size: 24px; margin-bottom: 12px; }
.steps p { font-size: 16px; color: var(--grey-500); max-width: 20em; }

/* Community */
.community { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.community-photo { position: relative; aspect-ratio: 640 / 520; border-radius: var(--radius-md); overflow: hidden; background: #222; }
.community-photo svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.community-photo figcaption { position: absolute; left: clamp(24px, 4vw, 44px); bottom: clamp(24px, 4vw, 44px); color: #fff; font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; letter-spacing: -.04em; line-height: 1.05; }
.community-photo figcaption::after { content: ""; display: block; width: 44px; height: 3px; background: var(--red); margin-top: 22px; }

.quotes { min-height: 300px; }
.quote[hidden] { display: none; }
.quote.is-active { animation: fade .5s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }
blockquote { font-size: clamp(26px, 3vw, 38px); font-weight: 600; letter-spacing: -.035em; line-height: 1.16; margin-bottom: 40px; }
.quote figcaption { display: flex; align-items: center; gap: 16px; }
.quote figcaption b { display: block; font-size: 15px; }
.quote figcaption small { font-size: 14px; color: var(--grey-500); }
.quote-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 28px; }
.quote-count { font-size: 13px; color: var(--grey-500); }
.quote-count b { color: var(--black); }
.round-btn { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-left: 6px; border: 1px solid var(--grey-200); border-radius: 50%; transition: background .2s, color .2s, border-color .2s; }
.round-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.round-btn:hover { background: var(--black); border-color: var(--black); color: #fff; }

/* FAQ */
.faq-split { align-items: start; margin-bottom: 0; grid-template-columns: .8fr 1.2fr; }
.accordion { border-top: 2px solid var(--black); }
.acc-item { border-bottom: 1px solid var(--grey-200); }
.acc-btn { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 0; text-align: left; font-size: clamp(18px, 2vw, 22px); font-weight: 600; letter-spacing: -.02em; }
.acc-icon { position: relative; flex: none; width: 18px; height: 18px; }
.acc-icon::before, .acc-icon::after { content: ""; position: absolute; left: 0; top: 8px; width: 18px; height: 2px; background: var(--red); transition: transform .3s var(--ease); }
.acc-icon::after { transform: rotate(90deg); }
.acc-btn[aria-expanded="true"] .acc-icon::after { transform: rotate(0); }
.acc-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s var(--ease); }
.acc-panel > div { overflow: hidden; }
.acc-btn[aria-expanded="true"] + * , .acc-item.open .acc-panel { grid-template-rows: 1fr; }
.acc-panel p { max-width: 36em; padding-bottom: 28px; font-size: 16.5px; line-height: 1.6; color: var(--grey-700); }

/* Products */
.product-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--black); }
.product { padding: 36px 40px 8px 0; }
.product + .product { padding-left: 40px; border-left: 1px solid var(--grey-200); }
.product-kind { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--grey-500); margin-bottom: 20px; }
.tag { font-size: 10.5px; letter-spacing: .1em; color: #fff; background: var(--red); padding: 4px 10px; border-radius: 99px; }
.tag-dark { background: var(--black); }
.product h3 { font-size: clamp(30px, 3.4vw, 44px); letter-spacing: -.045em; margin-bottom: 18px; }
.product-desc { font-size: 17px; line-height: 1.6; color: var(--grey-700); max-width: 30em; margin-bottom: 26px; }
.ticks { display: grid; gap: 12px; margin-bottom: 32px; }
.ticks li { position: relative; padding-left: 30px; font-size: 15.5px; font-weight: 500; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--red); }
.ticks li::after { content: ""; position: absolute; left: 6px; top: 7px; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) scale(.9); }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; padding-bottom: 4px; border-bottom: 2px solid var(--red); transition: gap .25s var(--ease), color .2s; }
.text-link svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.text-link:hover { gap: 16px; color: var(--red); }
.product { padding-bottom: 40px; }

/* Company + contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 8vw, 120px); align-items: start; padding-top: var(--section-y); border-top: 1px solid var(--grey-200); }
.contact-note { max-width: 24em; margin: 24px 0 44px; font-size: 17px; line-height: 1.6; color: var(--grey-700); }
.company-facts { border-top: 2px solid var(--black); }
.company-facts div { display: flex; justify-content: space-between; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--grey-200); }
.company-facts dt { font-size: 13px; color: var(--grey-500); }
.company-facts dd { font-size: 15px; font-weight: 600; text-align: right; }
.contact-form { display: grid; gap: 22px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 13px; font-weight: 600; }
.field input, .field textarea { width: 100%; font: inherit; font-size: 16px; color: var(--black); background: #fff; border: 1px solid #cfcfd3; border-radius: var(--radius-sm); padding: 14px 16px; transition: border-color .2s, box-shadow .2s; resize: vertical; }
.field input:hover, .field textarea:hover { border-color: var(--grey-500); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(229,9,20,.16); }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--red); }
.contact-form .btn { justify-self: start; height: 52px; padding-inline: 32px; font-size: 15px; }
.contact-form .btn[disabled] { opacity: .6; cursor: progress; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.5em; font-size: 15px; font-weight: 500; }
.form-status.ok { color: #0a7a3d; }
.form-status.err { color: var(--red); }

/* CTA */
.cta { padding-bottom: var(--section-y); }
.cta-panel { position: relative; display: grid; grid-template-columns: 1fr minmax(240px, 34%); background: var(--grey-50); border-radius: var(--radius-lg); overflow: hidden; }
.cta-copy { padding: clamp(32px, 5vw, 64px); }
.cta-copy h2 { font-size: clamp(32px, 4vw, 52px); margin-bottom: 36px; max-width: 12em; }
.cta-visual { position: relative; min-height: 260px; }
.cta-visual > svg { position: absolute; inset: 0; width: 100%; height: 100%; filter: grayscale(1); }
.cta-arrow { position: absolute; left: 0; top: 50%; width: 132px; height: 150px; transform: translate(-50%, -50%); display: grid; place-items: center; background: var(--red); color: #fff; border-radius: 30px; transition: transform .3s var(--ease), background .2s; }
.cta-arrow svg { width: 44px; height: 44px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.cta-arrow:hover { background: var(--red-dark); transform: translate(-50%, -50%) scale(1.04); }

/* Footer */
.footer-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--grey-200); font-size: 12px; color: var(--grey-500); }
.site-footer { border-top: 1px solid var(--grey-200); padding: 56px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 32px; align-items: start; }
.footer-brand p { margin-top: 18px; font-size: 13px; color: var(--grey-500); }
.site-footer nav { display: flex; flex-direction: column; gap: 12px; }
.site-footer h4 { font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.site-footer nav a { font-size: 13px; color: var(--grey-500); transition: color .2s; }
.site-footer nav a:hover { color: var(--red); }
.footer-social { display: flex; flex-direction: column; align-items: flex-end; gap: 22px; text-align: right; }
.social { display: flex; gap: 20px; }
.social svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.social a:hover { color: var(--red); }
.footer-social p { font-size: 12px; color: var(--grey-500); }

/* ---------- Reveal (progressive enhancement: only hidden once JS runs) ---------- */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-phones { height: 660px; max-width: 620px; margin-inline: auto; width: 100%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid li:nth-child(3) { padding-left: 0; border-left: 0; }
  .feature-grid li:nth-child(n+3) { border-top: 1px solid var(--grey-200); margin-top: 32px; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand, .footer-social { grid-column: 1 / -1; }
  .footer-social { align-items: flex-start; text-align: left; flex-direction: row; justify-content: space-between; align-items: center; }
}

@media (max-width: 860px) {
  .nav { grid-template-columns: 1fr auto auto; height: 72px; gap: 12px; }
  .nav-toggle { display: grid; place-content: center; gap: 6px; width: 44px; height: 44px; }
  .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--black); transition: transform .3s var(--ease); }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav-links { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--grey-200); padding: 8px var(--gutter) 20px; display: none; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 16px 0; font-size: 17px; border-bottom: 1px solid var(--grey-200); }
  .nav-links a::after { display: none; }
  .split, .faq-split { grid-template-columns: 1fr; gap: 28px; }
  .product-grid, .contact-grid { grid-template-columns: 1fr; }
  .product, .product + .product { padding: 32px 0 12px; border-left: 0; }
  .product + .product { border-top: 1px solid var(--grey-200); }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding: 28px 0; border-left: 0; }
  .steps li + li { border-top: 1px solid var(--grey-200); }
  .step-no { margin-bottom: 14px; }
  .community { grid-template-columns: 1fr; }
  .quotes { min-height: 0; }
  .cta-panel { grid-template-columns: 1fr; }
  .cta-copy { padding-bottom: 76px; }
  .cta-visual { min-height: 200px; }
  .cta-arrow { left: auto; right: 24px; top: 0; width: 88px; height: 88px; border-radius: 22px; transform: translateY(-50%); }
  .cta-arrow:hover { transform: translateY(-50%) scale(1.04); }
  .cta-arrow svg { width: 32px; height: 32px; }
}

@media (max-width: 560px) {
  .nav-cta { display: none; }
  .nav { grid-template-columns: 1fr auto; }
  .hero-phones { height: 560px; }
  .phone-main { left: 0; width: 250px; height: 526px; }
  .phone-map { width: 220px; height: 462px; top: 90px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid li, .feature-grid li + li, .feature-grid li:nth-child(3) { padding: 32px 0 8px; border-left: 0; margin-top: 0; }
  .feature-grid li + li { border-top: 1px solid var(--grey-200); }
  .store-btn { flex: 1 1 auto; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}