/* Ringside: crystal blue brand. Poppins throughout. */
:root {
  --bg: #f3f9fe;
  --bg-2: #e7f4fd;
  --surface: rgba(255, 255, 255, .74);
  --surface-solid: #ffffff;
  --ink: #0a2440;
  --ink-2: #33506e;
  --muted: #587391;
  --line: #cfe5f4;
  --line-strong: #a9d3ee;
  --brand: #0a6eae;
  --brand-ink: #075a8f;
  --crystal-1: #e4f6ff;
  --crystal-2: #bde9fb;
  --crystal-3: #7fd2f5;
  --crystal-4: #38b6ec;
  --btn-from: #064f80;
  --btn-to: #0b78bb;
  --btn-ink: #ffffff;
  --glow: rgba(56, 182, 236, .28);
  --deep: #061a30;
  --deep-2: #0b2e52;
  --deep-ink: #eaf7ff;
  --deep-muted: #b3cfe6;
  --whatsapp: #128c4a;
  --radius: 18px;
  --shadow: 0 1px 1px rgba(10, 36, 64, .04), 0 12px 32px rgba(10, 110, 174, .08);
  --font: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #05111f;
    --bg-2: #081a2e;
    --surface: rgba(16, 42, 70, .55);
    --surface-solid: #0c2138;
    --ink: #e6f4ff;
    --ink-2: #bcd5ea;
    --muted: #8eabc6;
    --line: #17375a;
    --line-strong: #24507c;
    --brand: #7fd2f5;
    --brand-ink: #a6e1f9;
    --crystal-1: #0d2742;
    --crystal-2: #12406a;
    --crystal-3: #1f6fa6;
    --crystal-4: #38b6ec;
    --btn-from: #38b6ec;
    --btn-to: #8fdcfa;
    --btn-ink: #04203a;
    --glow: rgba(56, 182, 236, .22);
    --deep: #030b15;
    --deep-2: #0a2643;
    --whatsapp: #1fa85c;
    --shadow: 0 1px 1px rgba(0, 0, 0, .3), 0 14px 36px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--brand); }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; margin: 0; font-weight: 600; }
h1 { font-size: clamp(36px, 7vw, 66px); max-width: 15ch; font-weight: 700; }
h2 { font-size: clamp(27px, 4.2vw, 42px); max-width: 22ch; }
h3 { font-size: 19px; letter-spacing: -.01em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--crystal-4); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 16px; position: relative; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip-link { position: absolute; left: -9999px; top: 8px; background: var(--surface-solid); padding: 8px 12px; z-index: 100; }
.skip-link:focus { left: 8px; }

/* Gradient text for key words */
.shine { background: linear-gradient(100deg, var(--brand-ink) 0%, var(--crystal-4) 55%, var(--brand) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand-mark { width: 32px; height: 32px; flex: none; }
.brand-name { font-weight: 600; font-size: 20px; letter-spacing: -.02em; }
.brand-by { font-size: 12px; color: var(--muted); display: none; padding-left: 10px; border-left: 1px solid var(--line-strong); }
@media (min-width: 420px) { .brand-by { display: inline; } }
.site-nav { display: none; gap: 28px; }
.site-nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; font-weight: 500; }
.site-nav a:hover { color: var(--brand); }
@media (min-width: 900px) { .site-nav { display: flex; } }
.header-actions { display: flex; align-items: center; gap: 10px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lang-select { position: relative; display: inline-flex; }
.lang-select::after { content: ''; position: absolute; right: 13px; top: 50%; width: 6px; height: 6px; border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.lang-select select { appearance: none; -webkit-appearance: none; font: 500 14px var(--font); color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 999px; padding: 7px 32px 7px 14px; min-height: 40px; cursor: pointer; }
.lang-select select:hover { border-color: var(--brand); }
.header-actions .btn-small { display: none; }
@media (min-width: 560px) { .header-actions .btn-small { display: inline-flex; } }

/* Buttons */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 12px 26px; border-radius: 999px; border: 0; background: linear-gradient(135deg, var(--btn-from), var(--btn-to)); color: var(--btn-ink); font: 600 16px var(--font); text-decoration: none; cursor: pointer; box-shadow: 0 8px 24px var(--glow), inset 0 1px 0 rgba(255,255,255,.25); transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 32px var(--glow), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-small { min-height: 40px; padding: 8px 18px; font-size: 14px; }
.btn-ghost { background: var(--surface); color: var(--ink); border: 1px solid var(--line-strong); box-shadow: none; }
.btn-ghost:hover { box-shadow: none; border-color: var(--brand); }
.btn-block { width: 100%; }
.btn-whatsapp { background: var(--whatsapp); color: #fff; box-shadow: 0 8px 24px rgba(18, 140, 74, .25); }
.btn-whatsapp svg { width: 22px; height: 22px; }
.text-link { color: var(--ink-2); font-weight: 500; text-underline-offset: 5px; text-decoration-color: var(--crystal-3); }
.text-link:hover { color: var(--brand); }
.link-button { background: none; border: 0; padding: 0; color: inherit; font: inherit; text-decoration: underline; cursor: pointer; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 56px 0 72px; background:
  radial-gradient(700px 420px at 90% -10%, var(--crystal-2), transparent 65%),
  radial-gradient(520px 360px at 0% 100%, var(--crystal-1), transparent 70%),
  var(--bg); }
@media (min-width: 720px) { .hero { padding: 104px 0 120px; } }
.hero-inner { position: relative; z-index: 1; }
.hero-crystal { position: absolute; z-index: 0; right: -90px; top: -20px; width: 260px; opacity: .35; pointer-events: none; }
@media (min-width: 720px) { .hero-crystal { right: -40px; top: 40px; width: 520px; opacity: .9; } }
@media (min-width: 1100px) { .hero-crystal { right: 2%; } }
.hero-crystal svg { width: 100%; height: auto; animation: float 9s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-12px) rotate(1.5deg); } }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-ink); font-weight: 600; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 16px; }
.eyebrow::before { content: ''; width: 10px; height: 10px; transform: rotate(45deg); border-radius: 2px; background: linear-gradient(135deg, var(--crystal-3), var(--crystal-4)); }
.hero .eyebrow { background: var(--surface); border: 1px solid var(--line-strong); border-radius: 999px; padding: 6px 14px; backdrop-filter: blur(8px); }
.lead { font-size: clamp(16px, 2.1vw, 19px); color: var(--ink-2); max-width: 56ch; margin-top: 22px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 26px; margin-top: 34px; }
.hero-points { list-style: none; padding: 0; margin: 40px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 8px 14px; font-size: 14px; color: var(--ink-2); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }

/* Sections */
.section { position: relative; padding: 72px 0; }
@media (min-width: 720px) { .section { padding: 104px 0; } }
.section-alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.section-lead { color: var(--ink-2); max-width: 60ch; margin-top: 18px; font-size: 17px; }
.split { display: grid; gap: 28px; }
@media (min-width: 860px) { .split { grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; } }
.split > div > p:not(.eyebrow) { color: var(--ink-2); font-size: 17px; }

/* Glass cards */
.glass { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

.cards { display: grid; gap: 18px; margin-top: 40px; }
@media (min-width: 860px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card { position: relative; overflow: hidden; padding: 28px; display: flex; flex-direction: column; gap: 12px; transition: transform .2s, border-color .2s; }
.card::after { content: ''; position: absolute; right: -40px; top: -40px; width: 120px; height: 120px; transform: rotate(45deg); background: linear-gradient(135deg, var(--crystal-2), transparent 70%); opacity: .7; pointer-events: none; }
.card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.card > p { color: var(--ink-2); }
.card-icon { width: 48px; height: 48px; border-radius: 14px; background: linear-gradient(135deg, var(--crystal-1), var(--crystal-2)); border: 1px solid var(--line-strong); color: var(--brand-ink); display: grid; place-items: center; }
.card-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ticks { list-style: none; padding: 0; margin: 4px 0 0; display: grid; gap: 9px; }
.ticks li { position: relative; padding-left: 24px; color: var(--ink-2); font-size: 15px; }
.ticks li::before { content: ''; position: absolute; left: 3px; top: 9px; width: 8px; height: 8px; transform: rotate(45deg); border-radius: 1px; background: var(--crystal-4); }
.tag { margin-top: auto; font-size: 13px; color: var(--ink-2); background: var(--crystal-1); border: 1px dashed var(--line-strong); border-radius: 10px; padding: 8px 12px; }

.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 18px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { padding: 24px; }
.steps h3 { font-size: 18px; margin: 16px 0 8px; }
.steps p { color: var(--ink-2); font-size: 15px; }
.step-num { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; transform: rotate(45deg); background: linear-gradient(135deg, var(--btn-from), var(--btn-to)); color: var(--btn-ink); font-weight: 600; box-shadow: 0 6px 16px var(--glow); }
.step-num span { transform: rotate(-45deg); }

.chips { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { border: 1px solid var(--line-strong); background: var(--surface); border-radius: 999px; padding: 6px 16px; font-size: 14px; color: var(--ink-2); }

.proof-empty { margin-top: 32px; padding: 28px; display: flex; gap: 18px; align-items: flex-start; border-style: dashed; border-color: var(--line-strong); }
.proof-empty img { width: 40px; height: 40px; flex: none; }
.proof-empty p { color: var(--ink-2); font-size: 17px; max-width: 62ch; }
.proof-grid { display: grid; gap: 18px; margin-top: 32px; }
@media (min-width: 720px) { .proof-grid { grid-template-columns: 1fr 1fr; } }
.proof-card { margin: 0; padding: 24px; }
.proof-number { font-weight: 700; font-size: 38px; color: var(--brand); }

.pricing-box { position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 24px; padding: 30px; border-radius: 24px; background: linear-gradient(135deg, var(--crystal-1), var(--surface-solid) 60%); border: 1px solid var(--line-strong); box-shadow: var(--shadow); }
@media (min-width: 860px) { .pricing-box { flex-direction: row; align-items: center; justify-content: space-between; padding: 48px; } }
.price { font-weight: 600; font-size: clamp(19px, 2.4vw, 24px); line-height: 1.4; margin-top: 16px; max-width: 34ch; }
.muted { color: var(--muted); margin-top: 8px; font-size: 15px; }

/* Contact: deep crystal panel (same in both themes) */
.section-dark { color: var(--deep-ink); background:
  radial-gradient(600px 380px at 100% 0%, rgba(56, 182, 236, .35), transparent 70%),
  radial-gradient(500px 340px at 0% 100%, rgba(127, 210, 245, .18), transparent 70%),
  linear-gradient(160deg, var(--deep-2), var(--deep)); overflow: hidden; }
.section-dark .eyebrow { color: #9fe0fb; }
.section-dark .split > div > p:not(.eyebrow) { color: var(--deep-muted); margin-top: 18px; }
.contact-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 30px; }
.btn-outline-light { background: rgba(255, 255, 255, .06); color: var(--deep-ink); border: 1px solid rgba(159, 224, 251, .45); box-shadow: none; backdrop-filter: blur(8px); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); box-shadow: none; }
.btn-outline-light svg { width: 22px; height: 22px; }
@media (min-width: 480px) { .contact-actions { flex-direction: row; flex-wrap: wrap; } }
.contact-form { background: var(--surface-solid); color: var(--ink); border-radius: 22px; padding: 24px; display: grid; gap: 16px; box-shadow: 0 24px 60px rgba(0, 0, 0, .3); border: 1px solid var(--line); }
@media (min-width: 720px) { .contact-form { padding: 34px; } }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 500; color: var(--ink-2); }
.field input, .field textarea { width: 100%; font: 16px var(--font); color: var(--ink); background: var(--bg); border: 1px solid var(--line-strong); border-radius: 12px; padding: 12px 14px; }
.field input:focus, .field textarea:focus { outline: 3px solid var(--glow); outline-offset: 0; border-color: var(--crystal-4); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--muted); }
.form-error { font-size: 14px; color: #b42318; }
@media (prefers-color-scheme: dark) { .form-error { color: #ff8a80; } }

/* Footer */
.site-footer { background: var(--deep); color: var(--deep-muted); border-top: 1px solid rgba(127, 210, 245, .14); padding: 44px 0 130px; font-size: 13px; }
@media (min-width: 720px) { .site-footer { padding-bottom: 52px; } }
.footer-inner { display: grid; gap: 24px; }
@media (min-width: 860px) { .footer-inner { grid-template-columns: 1fr 1.4fr; } }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 20px; color: var(--deep-ink); margin-bottom: 8px; }
.footer-brand .brand-mark { width: 28px; height: 28px; }
.footer-brand span { font-weight: 400; font-size: 13px; color: var(--deep-muted); }
.footer-legal { display: grid; gap: 8px; }

/* Cookie banner */
.cookie-banner { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 50; max-width: 520px; margin-left: auto; background: var(--surface-solid); color: var(--ink); border: 1px solid var(--line-strong); border-radius: 16px; box-shadow: 0 16px 44px rgba(6, 26, 48, .22); padding: 14px 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; font-size: 14px; }
.cookie-banner[hidden] { display: none; }
.cookie-banner p { flex: 1 1 240px; }
.cookie-actions { display: flex; gap: 8px; }

/* Privacy page */
.legal-page { padding-top: 40px; }
@media (min-width: 720px) { .legal-page { padding-top: 64px; } }
.legal { max-width: 820px; margin: 0 auto; padding: 24px; }
@media (min-width: 720px) { .legal { padding: 48px; } }
.legal h1 { font-size: clamp(30px, 5vw, 44px); max-width: none; }
.legal h2 { font-size: 20px; max-width: none; margin: 32px 0 10px; }
.legal p, .legal li { color: var(--ink-2); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 20px; margin: 10px 0 0; display: grid; gap: 8px; }
.legal-updated { margin-top: 8px; font-size: 14px; color: var(--muted) !important; }
.legal > p:nth-of-type(3) { margin-top: 20px; }
.footer-link, .footer-legal a { color: var(--deep-ink); }
