/* Torre Inteligente SOS — landing page styles (shared by / and /etapas). */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --red: #ab0000;
  --red-hi: #d10f0f;
  --red-soft: rgba(171, 0, 0, 0.14);
  --black: #070707;
  --ink-900: #0f0f0f;
  --ink-800: #141414;
  --ink-700: #1a1a1a;
  --ink-600: #262626;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f4f4f4;
  --text-dim: #a3a3a3;
  --text-mute: #737373;
  --paper: #f4f4f4;
  --paper-ink: #070707;
  --paper-dim: #525252;
  --ok: #33d17a;
  --radius: 14px;
  --radius-lg: 22px;
  --wrap: 1180px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--black);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.section { padding: 96px 0; position: relative; }
.section--paper { background: var(--paper); color: var(--paper-ink); }
.section--ink { background: var(--ink-900); }
.grid-bg {
  background-image:
    linear-gradient(rgba(171, 0, 0, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(171, 0, 0, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--red-hi);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.section--paper .eyebrow { color: var(--red); }

.h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; margin-top: 14px; }
.h2 em { font-style: normal; color: var(--red-hi); }
.section--paper .h2 em { color: var(--red); }
.lead { font-size: 18px; color: var(--text-dim); margin-top: 16px; max-width: 680px; }
.section--paper .lead { color: var(--paper-dim); }
.head-center { text-align: center; margin: 0 auto 56px; max-width: 760px; }
.head-center .lead { margin-left: auto; margin-right: auto; }

/* ---------- buttons ---------- */
.btn {
  appearance: none; border: 0; cursor: pointer; font: inherit;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 26px; border-radius: 10px;
  font-weight: 700; font-size: 16px; text-decoration: none;
  color: #fff; background: var(--red);
  box-shadow: 0 10px 30px rgba(171, 0, 0, 0.35);
  transition: background .15s ease, transform .08s ease, box-shadow .15s ease;
}
.btn:hover { background: var(--red-hi); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.btn:disabled { opacity: .6; cursor: progress; }
.btn--block { width: 100%; }
.btn--ghost { background: transparent; border: 1px solid var(--line); box-shadow: none; }
.btn--ghost:hover { background: rgba(255,255,255,.06); }
.btn svg { width: 18px; height: 18px; flex: none; }

/* ---------- header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(7, 7, 7, 0.82);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.topbar img { height: 40px; width: auto; }
.topbar .btn { padding: 10px 18px; font-size: 14px; box-shadow: none; }

/* ---------- hero ---------- */
.hero { position: relative; padding: 72px 0 88px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 60% at 85% 10%, rgba(171, 0, 0, 0.28), transparent 70%),
    radial-gradient(40% 50% at 0% 100%, rgba(171, 0, 0, 0.14), transparent 70%);
  pointer-events: none;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5vw, 58px); font-weight: 800; margin-top: 18px; }
.hero h1 em { font-style: normal; color: var(--red-hi); }
.hero .lead { font-size: 19px; }
.hero-visual { display: grid; grid-template-columns: 150px 1fr; gap: 28px; align-items: center; margin-top: 32px; }
.hero-visual img { width: 150px; height: auto; filter: drop-shadow(0 20px 40px rgba(171,0,0,.25)); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 999px;
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  font-size: 14px; font-weight: 500; color: var(--text);
}
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--red-hi); }
.trust { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 28px; color: var(--text-dim); font-size: 14px; }
.trust strong { color: var(--text); }

/* ---------- lead form card ---------- */
.form-card {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  position: relative;
  scroll-margin-top: 90px;
}
.form-card::before {
  content: ""; position: absolute; left: 32px; right: 32px; top: -1px; height: 3px;
  background: var(--red); border-radius: 0 0 4px 4px;
}
.form-card h2 { font-size: 24px; font-weight: 800; }
.form-card .sub { color: var(--text-dim); margin-top: 6px; font-size: 15px; }
.form-badge {
  display: inline-flex; gap: 6px; align-items: center; margin-top: 14px;
  font-size: 13px; font-weight: 600; color: var(--ok);
}
.form { display: grid; gap: 14px; margin-top: 22px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; }
.field label .opt { font-weight: 400; color: var(--text-mute); }
.field input, .field select {
  width: 100%; font: inherit; font-size: 16px; color: var(--text);
  background: var(--ink-900); border: 1px solid var(--ink-600); border-radius: 10px;
  padding: 13px 14px; outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23a3a3a3' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px; padding-right: 40px; }
.field select:invalid { color: var(--text-mute); }
.field option { color: #111; }
.field input::placeholder { color: var(--text-mute); }
.field input:focus, .field select:focus { border-color: var(--red-hi); box-shadow: 0 0 0 4px rgba(209, 15, 15, 0.18); }
.field.is-invalid input, .field.is-invalid select { border-color: #ff5c5c; }
.field .msg { display: none; font-size: 13px; color: #ff7a7a; margin-top: 6px; }
.field.is-invalid .msg { display: block; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.consent { font-size: 12px; color: var(--text-mute); line-height: 1.5; }
.consent a { color: var(--text-dim); }
.form-error { display: none; font-size: 14px; color: #ff7a7a; }
.form-error.is-on { display: block; }

/* ---------- step form ---------- */
.steps-progress { height: 6px; border-radius: 99px; background: var(--ink-600); overflow: hidden; margin-top: 22px; }
.steps-progress span { display: block; height: 100%; width: 0; background: var(--red-hi); transition: width .3s ease; }
.steps-count { font-size: 12px; color: var(--text-mute); margin-top: 8px; font-weight: 600; letter-spacing: .04em; }
.step { display: none; margin-top: 18px; }
.step.is-on { display: block; animation: stepIn .25s ease; }
@keyframes stepIn { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .step.is-on { animation: none; } }
.step h3 { font-size: 20px; font-weight: 700; margin-bottom: 16px; }
.step .field label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.option {
  appearance: none; font: inherit; cursor: pointer; text-align: left;
  padding: 14px; border-radius: 10px; color: var(--text);
  background: var(--ink-900); border: 1px solid var(--ink-600);
  font-weight: 600; transition: border-color .15s ease, background .15s ease;
}
.option:hover { border-color: var(--red-hi); }
.option[aria-pressed="true"] { border-color: var(--red-hi); background: var(--red-soft); }
.step-nav { display: flex; gap: 10px; margin-top: 16px; }
.step-nav .btn { flex: 1; }
.step-nav .btn--ghost { flex: 0 0 auto; }
.skip { appearance: none; background: none; border: 0; color: var(--text-dim); font: inherit; font-size: 14px; text-decoration: underline; cursor: pointer; margin-top: 12px; padding: 4px 0; }

/* ---------- cards ---------- */
.cards { display: grid; gap: 18px; grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--ink-800); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px;
}
.section--paper .card { background: #fff; border-color: #e5e5e5; }
.card h3 { font-size: 18px; font-weight: 700; margin-top: 16px; }
.card p { color: var(--text-dim); margin-top: 8px; font-size: 15px; }
.section--paper .card p { color: var(--paper-dim); }
.icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--red-soft); color: var(--red-hi);
}
.section--paper .icon { color: var(--red); background: rgba(171,0,0,.08); }
.icon svg { width: 24px; height: 24px; }

/* ---------- product (tower + callouts) ---------- */
.product { display: grid; grid-template-columns: 1fr 380px 1fr; gap: 32px; align-items: center; }
.product-tower img { width: 100%; height: auto; }
.callouts { display: grid; gap: 18px; }
.callout { display: grid; grid-template-columns: 46px 1fr; gap: 14px; align-items: start; }
.callout h3 { font-size: 17px; font-weight: 700; }
.callout p { color: var(--text-dim); font-size: 15px; margin-top: 4px; }
.callouts--left { text-align: right; }
.callouts--left .callout { grid-template-columns: 1fr 46px; }
.callouts--left .callout .icon { order: 2; }

/* ---------- layers (feature rows) ---------- */
.layers { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.layer-list { display: grid; gap: 14px; }
.layer {
  display: grid; grid-template-columns: 56px 1fr; gap: 16px; align-items: start;
  padding: 20px; border-radius: var(--radius); background: var(--ink-800); border: 1px solid var(--line);
}
.layer .num { font-size: 13px; font-weight: 800; color: var(--red-hi); letter-spacing: .08em; padding-top: 2px; }
.layer h3 { font-size: 17px; font-weight: 700; }
.layer p { color: var(--text-dim); font-size: 15px; margin-top: 4px; }
.photo { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: var(--ink-800); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo--tall { aspect-ratio: 4 / 5; }
.photo--wide { aspect-ratio: 16 / 10; }

/* ---------- flow ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.flow .card { position: relative; }
.flow .card::after {
  content: ""; position: absolute; right: -14px; top: 48px; width: 10px; height: 10px;
  border-top: 2px solid var(--red-hi); border-right: 2px solid var(--red-hi); transform: rotate(45deg);
}
.flow .card:last-child::after { display: none; }
.flow .tag { font-size: 12px; font-weight: 800; letter-spacing: .14em; color: var(--red-hi); }
.flow h3 { margin-top: 10px; }

/* ---------- central ---------- */
.central { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.central-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.central-photos .photo:first-child { grid-column: 1 / -1; }
.checklist { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.checklist li { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; }
.checklist li::before {
  content: ""; width: 22px; height: 22px; border-radius: 50%; margin-top: 2px;
  background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5'/%3E%3C/svg%3E") center / 14px no-repeat;
}

/* ---------- compare ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 960px; margin: 0 auto; }
.compare .col { border-radius: var(--radius-lg); padding: 30px; border: 1px solid #e5e5e5; background: #fff; }
.compare .col--sos { background: var(--black); color: var(--text); border-color: var(--black); position: relative; }
.compare .col--sos::before { content: "RECOMENDADO"; position: absolute; top: -12px; left: 30px; background: var(--red); color: #fff; font-size: 11px; font-weight: 800; letter-spacing: .12em; padding: 5px 10px; border-radius: 6px; }
.compare h3 { font-size: 20px; font-weight: 800; }
.compare ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.compare li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 15px; }
.compare .col--old li { color: var(--paper-dim); }
.compare .col--old li::before { content: "✕"; color: #a3a3a3; font-weight: 700; }
.compare .col--sos li::before { content: "✓"; color: var(--red-hi); font-weight: 800; }

/* ---------- testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.quote { display: flex; flex-direction: column; justify-content: space-between; }
.quote blockquote { margin: 0; font-size: 16px; color: var(--text); line-height: 1.65; }
.quote blockquote::before { content: "“"; display: block; font-size: 52px; line-height: .8; color: var(--red-hi); font-weight: 800; margin-bottom: 6px; }
.quote figcaption { margin-top: 20px; font-size: 14px; color: var(--text-dim); }
.quote figcaption strong { display: block; color: var(--text); font-size: 14px; letter-spacing: .04em; }

/* ---------- process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.process .num {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: var(--red); color: #fff; font-weight: 800;
}

/* ---------- faq ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid #e5e5e5; border-radius: var(--radius); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; font-weight: 700; font-size: 17px; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 24px; font-weight: 400; color: var(--red);
}
.faq details[open] summary::after { content: "–"; }
.faq summary:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; border-radius: var(--radius); }
.faq .answer { padding: 0 22px 20px; color: var(--paper-dim); }

/* ---------- final cta ---------- */
.final { text-align: center; padding: 96px 0; position: relative; overflow: hidden; }
.final::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 70% at 50% 100%, rgba(171,0,0,.35), transparent 70%); }
.final .wrap { position: relative; }
.final .h2 { max-width: 760px; margin: 14px auto 0; }
.final .lead { margin: 16px auto 32px; }

/* ---------- footer ---------- */
.footer { background: var(--black); border-top: 1px solid var(--line); padding: 56px 0 28px; color: var(--text-dim); font-size: 14px; }
.footer .cols { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
.footer img { height: 44px; width: auto; }
.footer h4 { color: var(--text); font-size: 14px; margin: 0 0 12px; }
.footer p + p { margin-top: 6px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--text); }
.footer .legal { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--text-mute); font-size: 13px; }

/* ---------- mobile sticky cta ---------- */
.sticky-cta {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 50;
  display: none; transform: translateY(120%); transition: transform .25s ease;
}
.sticky-cta.is-on { transform: none; }
.sticky-cta .btn { width: 100%; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .cards, .flow, .process { grid-template-columns: repeat(2, 1fr); }
  .flow .card::after { display: none; }
  .product { grid-template-columns: 1fr 1fr; }
  .product-tower { grid-column: 1 / -1; grid-row: 1; max-width: 300px; margin: 0 auto; }
  .callouts--left { text-align: left; }
  .callouts--left .callout { grid-template-columns: 46px 1fr; }
  .callouts--left .callout .icon { order: 0; }
}
@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .hero { padding: 40px 0 64px; }
  .hero .wrap, .layers, .central, .compare { grid-template-columns: 1fr; }
  .hero .wrap { gap: 36px; }
  .quotes { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr; }
  .sticky-cta { display: block; }
  body { padding-bottom: 76px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .cards, .flow, .process, .product, .options { grid-template-columns: 1fr; }
  .row-2 { grid-template-columns: 1fr; }
  .form-card { padding: 24px 18px; }
  .form-card::before { left: 18px; right: 18px; }
  .hero-visual { grid-template-columns: 96px 1fr; gap: 16px; }
  .hero-visual img { width: 96px; }
  .topbar img { height: 34px; }
  .lead, .hero .lead { font-size: 17px; }
}