/* UniADV — landing page
   ------------------------------------------------------------ */
:root {
  --navy-950: #071a33;
  --navy-900: #0b1f3a;
  --navy-800: #11305a;
  --blue-600: #1d4ed8;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --sky-300: #7dd3fc;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f6f8fc;
  --wa: #25d366;
  --radius: 16px;
  --shadow: 0 10px 30px -12px rgba(11, 31, 58, .25);
  --shadow-lg: 0 30px 60px -20px rgba(11, 31, 58, .35);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
  line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.02em; color: var(--ink); }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 2px; border-radius: 6px; }

.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.container--narrow { max-width: 820px; }
.rounded { border-radius: var(--radius); }

.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 999; }
.skip:focus { left: 1rem; top: 1rem; }

/* Buttons --------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7rem 1.25rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1.5px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--lg { padding: .9rem 1.6rem; font-size: 1.02rem; }
.btn--primary { background: linear-gradient(135deg, var(--blue-600), var(--blue-400)); color: #fff; box-shadow: 0 8px 20px -8px rgba(37, 99, 235, .7); }
.btn--primary:hover { box-shadow: 0 12px 26px -8px rgba(37, 99, 235, .8); }
.btn--outline { border-color: var(--blue-500); color: var(--blue-600); background: #fff; }
.btn--outline:hover { background: #eff6ff; }
.btn--ghost { color: var(--ink-2); }
.btn--ghost:hover { background: #f1f5f9; }
.btn--light { background: #fff; color: var(--navy-900); box-shadow: var(--shadow); }
.btn--ghost-light { color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn--ghost-light:hover { background: rgba(255, 255, 255, .1); }

.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue-600); background: #eaf1ff; padding: .35rem .8rem; border-radius: 999px; margin-bottom: 1rem;
}
.eyebrow--light { color: var(--sky-300); background: rgba(125, 211, 252, .12); }
.tag { display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; background: #fef3c7; color: #92400e; padding: .15rem .5rem; border-radius: 999px; vertical-align: middle; margin-left: .35rem; }

/* Header ---------------------------------------------------- */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s;
}
.header.is-scrolled { border-color: var(--line); box-shadow: 0 6px 20px -16px rgba(0, 0, 0, .3); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand img { width: 150px; height: auto; }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav > a { color: var(--ink-2); font-weight: 500; font-size: .95rem; }
.nav > a:hover { color: var(--blue-600); text-decoration: none; }
.nav__cta { display: flex; gap: .5rem; margin-left: .5rem; }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; flex-direction: column; justify-content: space-between; }
.burger span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

/* Hero ------------------------------------------------------ */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(59, 130, 246, .35), transparent 60%),
              linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--blue-600) 130%);
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(4rem, 8vw, 7rem);
}
.hero__glow { position: absolute; inset: auto -20% -40% -20%; height: 60%; background: radial-gradient(closest-side, rgba(125, 211, 252, .18), transparent); pointer-events: none; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; position: relative; }
.hero h1 { color: #fff; }
.hero .grad { background: linear-gradient(90deg, var(--sky-300), #bfdbfe); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .eyebrow { color: var(--sky-300); background: rgba(125, 211, 252, .12); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: #cbd5e1; max-width: 56ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.6rem 0 1.4rem; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 1.1rem; color: #cbd5e1; font-size: .9rem; }
.hero__trust li::before { content: "✓"; color: var(--sky-300); font-weight: 800; margin-right: .4rem; }

.hero__media { position: relative; }
.browser { background: #0f172a; border-radius: 14px; box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid rgba(255, 255, 255, .08); }
.browser__bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: #1e293b; }
.browser__bar i { width: 10px; height: 10px; border-radius: 50%; background: #475569; }
.browser__bar i:nth-child(1) { background: #f87171; } .browser__bar i:nth-child(2) { background: #fbbf24; } .browser__bar i:nth-child(3) { background: #34d399; }
.browser__bar span { margin-left: auto; margin-right: auto; font-size: .72rem; color: #94a3b8; background: #0f172a; padding: 2px 12px; border-radius: 6px; }
.hero__float {
  position: absolute; background: #fff; color: var(--ink); border-radius: 12px; padding: .65rem .9rem;
  box-shadow: var(--shadow-lg); display: grid; gap: .1rem; font-size: .8rem; max-width: 210px;
  animation: float 6s ease-in-out infinite;
}
.hero__float strong { color: var(--blue-600); font-size: .85rem; }
.hero__float span { color: var(--muted); }
.hero__float--a { left: -1.2rem; bottom: 18%; }
.hero__float--b { right: -1rem; top: 12%; animation-delay: -3s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* Strip ----------------------------------------------------- */
.strip { background: #fff; border-bottom: 1px solid var(--line); }
.strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; padding: 1.6rem 0; }
.strip__grid > div { display: grid; gap: .15rem; padding-left: 1rem; border-left: 3px solid var(--blue-400); }
.strip b { color: var(--ink); font-size: .98rem; }
.strip span { color: var(--muted); font-size: .88rem; }

/* Sections -------------------------------------------------- */
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: linear-gradient(160deg, var(--navy-950), var(--navy-800)); color: #cbd5e1; }
.section--dark h2 { color: #fff; }
.section__head { max-width: 680px; margin: 0 auto 3rem; text-align: center; }
.section__head p { color: var(--muted); font-size: 1.05rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split--rev .split__copy { order: 1; }
.split--rev .split__media { order: 2; }
.split__copy p { color: var(--ink-2); }
.section--dark .split__copy p { color: #cbd5e1; }
.split__media img { box-shadow: var(--shadow-lg); }
.section--dark .split__media img { box-shadow: none; filter: drop-shadow(0 30px 40px rgba(0, 0, 0, .45)); }

.checks { display: grid; gap: .55rem; margin: 1.2rem 0 1.6rem; }
.checks li { position: relative; padding-left: 1.7rem; color: var(--ink-2); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .35rem; width: 1.1rem; height: 1.1rem; border-radius: 50%;
  background: #dbeafe url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d4ed8' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 60% no-repeat;
}

/* Features -------------------------------------------------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe0ff; }
.feature__icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 12%, #fff); margin-bottom: 1rem; }
.feature__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--c); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { font-size: 1.02rem; margin-bottom: .35rem; }
.feature p { color: var(--muted); font-size: .92rem; margin: 0; }

/* Tabs / gallery -------------------------------------------- */
.tabs__list { display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem; margin-bottom: 1.5rem; }
.tabs__list [role="tab"] {
  background: #fff; border: 1px solid var(--line); color: var(--ink-2); border-radius: 999px; padding: .5rem 1rem; font-weight: 600; font-size: .9rem;
}
.tabs__list [role="tab"][aria-selected="true"] { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }
.tab figure { margin: 0; }
.zoom { background: none; border: 0; padding: 0; display: block; width: 100%; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--line); }
.zoom img { width: 100%; transition: transform .3s ease; }
.zoom:hover img { transform: scale(1.015); }
.tab figcaption { text-align: center; color: var(--muted); margin-top: 1rem; font-size: .95rem; }
.tab figcaption strong { color: var(--ink); }

/* Pillars --------------------------------------------------- */
.pillars { display: grid; gap: 1rem; margin-top: 1.5rem; }
.pillar { display: flex; gap: .9rem; align-items: center; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08); border-radius: 12px; padding: .9rem 1rem; }
.pillar img { width: 48px; height: 48px; border-radius: 10px; background: #fff; padding: 6px; }
.pillar b { display: block; color: #fff; }
.pillar span { font-size: .9rem; color: #cbd5e1; }

/* Quote ----------------------------------------------------- */
.quote { max-width: 820px; margin: 0 auto; text-align: center; padding: 2.4rem; border-radius: var(--radius); background: var(--bg-alt); border: 1px solid var(--line); }
.quote p { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; color: var(--ink); line-height: 1.5; }
.quote footer { color: var(--muted); font-size: .9rem; }

/* Plans ----------------------------------------------------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; align-items: stretch; }
.plan { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; display: flex; flex-direction: column; }
.plan h3 { font-size: 1.35rem; margin-bottom: .2rem; }
.plan__for { color: var(--muted); margin-bottom: 1rem; }
.plan .checks { flex: 1; }
.plan--featured { border-color: var(--blue-500); box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.plan__badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--blue-600); color: #fff; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: .3rem .8rem; border-radius: 999px; }
.plans__note { text-align: center; color: var(--muted); margin-top: 2rem; }

/* FAQ ------------------------------------------------------- */
.faq { display: grid; gap: .6rem; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 1.2rem; }
.faq summary { list-style: none; cursor: pointer; padding: 1rem 0; font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--blue-600); font-weight: 400; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); padding-bottom: 1rem; margin: 0; }

/* CTA ------------------------------------------------------- */
.cta { background: linear-gradient(135deg, var(--blue-600), var(--navy-900)); color: #fff; padding: clamp(3rem, 6vw, 4.5rem) 0; }
.cta__inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.cta h2 { color: #fff; margin-bottom: .3rem; }
.cta p { color: #dbeafe; margin: 0; }
.cta__actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* Contact --------------------------------------------------- */
.contacts { display: grid; gap: .7rem; margin: 1.2rem 0; }
.contacts a { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); font-weight: 600; }
.ico { width: 34px; height: 34px; border-radius: 10px; display: inline-grid; place-items: center; background: #eaf1ff; }
.ico--wa { background: #dcfce7 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2316a34a'%3E%3Cpath d='M12 2a10 10 0 0 0-8.6 15.1L2 22l5-1.3A10 10 0 1 0 12 2zm0 18.2a8.2 8.2 0 0 1-4.2-1.2l-.3-.2-3 .8.8-2.9-.2-.3A8.2 8.2 0 1 1 12 20.2zm4.5-6.1c-.2-.1-1.5-.7-1.7-.8-.2-.1-.4-.1-.6.1l-.8.9c-.1.2-.3.2-.5.1a6.7 6.7 0 0 1-3.3-2.9c-.3-.4.2-.4.7-1.3.1-.2 0-.3 0-.4l-.8-1.8c-.2-.5-.4-.4-.6-.4h-.5c-.2 0-.5.1-.7.3-.2.3-.9.9-.9 2.2s.9 2.5 1.1 2.7c.1.2 1.9 2.8 4.5 3.9 1.7.7 2.3.7 3.1.6.5-.1 1.5-.6 1.7-1.2.2-.6.2-1.1.1-1.2l-.5-.3z'/%3E%3C/svg%3E") center / 20px no-repeat; }
.ico--mail { background: #eaf1ff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d4ed8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='M3 7l9 6 9-6'/%3E%3C/svg%3E") center / 20px no-repeat; }
.social { display: flex; gap: .6rem; flex-wrap: wrap; }
.social a { font-size: .85rem; font-weight: 600; color: var(--ink-2); border: 1px solid var(--line); padding: .35rem .8rem; border-radius: 999px; }
.social a:hover { border-color: var(--blue-400); color: var(--blue-600); text-decoration: none; }

.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow); display: grid; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field label { font-weight: 600; font-size: .9rem; }
.field input, .field textarea {
  font: inherit; width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: .7rem .9rem; background: #fff; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(37, 99, 235, .12); }
.field textarea { resize: vertical; min-height: 120px; }
.form__err { color: #b91c1c; font-size: .9rem; margin: 0; }
.form__actions { display: flex; gap: .6rem; flex-wrap: wrap; }

/* Footer ---------------------------------------------------- */
.footer { background: var(--navy-950); color: #94a3b8; padding: 2.5rem 0; }
.footer__inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 1.5rem; align-items: center; }
.footer__brand p { margin: .6rem 0 0; font-size: .9rem; }
.footer__brand img { filter: brightness(0) invert(1); opacity: .9; }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: flex-end; }
.footer__links a { color: #cbd5e1; font-size: .9rem; }
.footer__copy { grid-column: 1 / -1; margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .82rem; }

/* WhatsApp float -------------------------------------------- */
.wa-float {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 60; width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); display: grid; place-items: center; box-shadow: 0 12px 28px -8px rgba(37, 211, 102, .7);
  transition: transform .15s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* Lightbox -------------------------------------------------- */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(2, 6, 23, .9); display: grid; place-items: center; padding: 2rem; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(1400px, 100%); max-height: 90vh; width: auto; border-radius: 10px; box-shadow: var(--shadow-lg); }
.lightbox__close { position: absolute; top: 1rem; right: 1.2rem; background: none; border: 0; color: #fff; font-size: 2.4rem; line-height: 1; }

/* Reveal ---------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__float { animation: none; }
  html { scroll-behavior: auto; }
}

/* Responsive ------------------------------------------------ */
@media (max-width: 1024px) {
  .features { grid-template-columns: repeat(3, 1fr); }
  .strip__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hero__grid, .split, .footer__inner { grid-template-columns: 1fr; }
  .split--rev .split__copy, .split--rev .split__media { order: initial; }
  .split__media { max-width: 620px; margin: 0 auto; }
  .hero__media { margin-top: 1rem; }
  .hero__float--a { left: 0; bottom: -1.2rem; }
  .hero__float--b { right: 0; top: -1.2rem; }
  .plans { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .plan--featured { transform: none; }
  .footer__links { justify-content: flex-start; }

  .burger { display: flex; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1.25rem 1rem; display: none;
    box-shadow: 0 20px 30px -20px rgba(0, 0, 0, .3);
  }
  .nav.is-open { display: flex; }
  .nav > a { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav__cta { margin: 1rem 0 0; flex-direction: column; }
}
@media (max-width: 640px) {
  .features { grid-template-columns: 1fr; }
  .strip__grid { grid-template-columns: 1fr; gap: 1rem; }
  .hero__actions .btn { width: 100%; }
  .cta__actions, .form__actions { width: 100%; }
  .cta__actions .btn, .form__actions .btn { flex: 1; }
  .hero__float { display: none; }
}

/* Phone mockup (transparent) */
.phone-img { max-height: 560px; width: auto; margin: 0 auto; }