:root {
  --purple: #6e04e3;
  --purple-light: #cc9eff;
  --black: #000000;
  --charcoal: #2e2b2b;
  --offwhite: #f2f1eb;
  --white: #ffffff;
  --green: #16b844;
  --muted: #bcb8c3;
  --container: 1180px;
  --radius: 24px;
  --shadow: 0 30px 70px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 9999;
  padding: 10px 14px;
  background: var(--white);
  color: var(--black);
  border-radius: 8px;
}
.skip-link:focus { top: 12px; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 920px); }
section { position: relative; overflow: hidden; }
.section-dark { background: var(--black); }

h1, h2 {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Narrow", sans-serif;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0;
}
h1 { font-size: clamp(3rem, 5.4vw, 5.1rem); line-height: .98; text-transform: uppercase; }
h2 { font-size: clamp(2.55rem, 4vw, 4.25rem); line-height: 1.02; }
h3 { margin: 0 0 12px; font-size: 1.18rem; line-height: 1.35; }
p { margin: 0; }

.eyebrow {
  margin: 34px 0 14px;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .16em;
  color: var(--purple-light);
}
.eyebrow.dark { color: var(--purple); }

.btn {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  padding: 15px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: .015em;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn:focus-visible { outline: 3px solid var(--purple-light); outline-offset: 4px; }
.btn-primary { background: var(--purple); color: var(--white); box-shadow: 0 16px 36px rgba(110, 4, 227, .32); }
.btn-buy { background: var(--green); color: var(--white); width: min(100%, 420px); font-size: 1.05rem; box-shadow: 0 16px 36px rgba(22, 184, 68, .22); }
.btn-whatsapp { background: var(--green); color: var(--white); }

/* HERO */
.hero { padding: 56px 0 72px; min-height: 720px; }
.hero::before {
  content: "";
  position: absolute;
  inset: auto -15% -45% 45%;
  height: 520px;
  background: radial-gradient(circle, rgba(110, 4, 227, .24), transparent 64%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 70px; }
.brand { display: block; width: 116px; }
.brand img { width: 100%; height: auto; }
.hero h1 span { color: var(--purple-light); }
.hero h1 u { text-decoration-thickness: 5px; text-underline-offset: 6px; }
.hero-text { margin: 28px 0 34px; max-width: 650px; font-size: 1.15rem; color: #eeeeee; }
.hero-product { position: relative; min-height: 610px; display: grid; place-items: center; }
.product-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 30%, rgba(204, 158, 255, .42), rgba(110, 4, 227, .24) 42%, transparent 70%);
  filter: blur(1px);
}
.device-frame {
  position: relative;
  width: min(75%, 390px);
  padding: 14px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255,255,255,.18), rgba(255,255,255,.045));
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}
.device-frame img { border-radius: 10px; width: 100%; height: auto; }

/* PAIN */
.section-photo { background-image: url('../images/bg-laboratorio-veterinario.jpg'); background-size: cover; background-position: center; }
.pain-section { padding: 100px 0 110px; text-align: center; }
.photo-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, .76); }
.pain-section .container { position: relative; }
.pain-section h2 { max-width: 980px; margin: 0 auto 28px; }
.lead { font-size: 1.15rem; color: #f5f5f5; margin: 0 auto 34px; max-width: 720px; }
.pain-card {
  margin: 0 auto 26px;
  max-width: 820px;
  padding: 32px 38px;
  border-radius: 18px;
  background: var(--purple);
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
  font-size: 1.14rem;
}
.pain-after { color: #f2f2f2; margin-top: 18px; font-size: 1.06rem; }
.pain-emphasis { max-width: 700px; margin: 36px auto 0; font-size: 1.28rem; line-height: 1.4; font-weight: 800; font-style: italic; }

/* PROBLEMS */
.problems { padding: 96px 0; }
.split-card { display: grid; grid-template-columns: .9fr 1.1fr; max-width: 1040px; min-height: 590px; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); }
.portrait-panel { position: relative; min-height: 580px; background: #141414; }
.portrait-panel::before { content: ""; position: absolute; inset: 15% 8% 4% 10%; border-radius: 90px 90px 28px 28px; background: var(--purple); opacity: .28; }
.portrait-mask { position: absolute; inset: 8% 8% 0 8%; border-radius: 90px 90px 0 0; overflow: hidden; }
.portrait-mask img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.problem-panel { background: var(--white); color: var(--black); padding: 72px 66px 56px; display: flex; flex-direction: column; }
.problem-panel h2 { color: var(--charcoal); font-size: clamp(2.2rem, 3vw, 3.5rem); font-style: italic; margin-bottom: 30px; }
.problem-list { margin: 0; padding: 0 0 0 22px; display: grid; gap: 20px; font-size: 1.03rem; }
.problem-list li::marker { color: var(--purple); font-size: 1.25em; }
.purple-callout { margin-top: auto; padding: 22px 24px; border-radius: 14px; background: var(--purple); color: var(--white); font-size: 1.06rem; }

/* FEATURES */
.features { padding: 96px 0 105px; background: var(--charcoal); }
.features h2 { text-align: center; margin-bottom: 54px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  min-height: 290px;
  padding: 28px 24px 30px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 22px;
  background: rgba(0,0,0,.22);
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.feature-icon {
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--purple-light);
  color: var(--black);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: 1.6rem;
  letter-spacing: .02em;
}
.feature-card p { color: #f7f7f7; font-size: .98rem; }
.center-cta { display: flex; justify-content: center; margin-top: 46px; }

/* DIFFERENCE */
.section-photo-alt { background-image: url('../images/bg-pericia.jpg'); background-position: center; padding: 100px 0; }
.photo-overlay.light { background: rgba(0,0,0,.54); }
.section-photo-alt .container { position: relative; }
.difference-box { background: rgba(255,255,255,.97); color: var(--black); border-radius: 28px; padding: 66px; display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: center; box-shadow: var(--shadow); }
.difference-title h2 { color: var(--purple); font-size: clamp(2.6rem, 4vw, 4rem); }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 24px; font-size: 1.08rem; }
.check-list li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; }
.check-list span { color: var(--purple); font-weight: 900; }

/* AUTHOR */
.author { padding: 98px 0 108px; }
.author h2 { margin-bottom: 48px; }
.author-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 72px; align-items: center; }
.author-copy { display: grid; gap: 22px; }
.author-name { font-size: 1.24rem; }
.approval-list { list-style: none; padding: 0; margin: -2px 0 2px; display: grid; gap: 12px; color: #f1f1f1; }
.approval-list li { position: relative; padding-left: 24px; }
.approval-list li::before { content: "◆"; position: absolute; left: 0; top: 2px; color: var(--purple-light); font-size: .78rem; }
.author-copy .btn { margin-top: 8px; width: fit-content; }
.author-card { border-radius: 28px; background: var(--offwhite); color: var(--black); overflow: hidden; box-shadow: var(--shadow); }
.author-photo { min-height: 390px; display: grid; place-items: end center; background: linear-gradient(180deg, #f2f1eb, #ddd9d1); }
.author-photo img { width: 92%; height: auto; }
.author-note { padding: 28px 30px 32px; color: var(--purple); font-size: 1.12rem; line-height: 1.45; }

/* OFFER */
.offer { background: var(--charcoal); padding: 82px 0 100px; }
.offer h2 { text-align: center; margin-bottom: 48px; }
.offer-box { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; align-items: center; max-width: 980px; margin: 0 auto; padding: 46px 56px; border-radius: 28px; background: #211f1f; border: 1px solid rgba(255,255,255,.09); box-shadow: var(--shadow); }
.offer-product { display: flex; justify-content: center; }
.offer-product img { width: min(100%, 310px); border-radius: 8px; box-shadow: 0 25px 50px rgba(0,0,0,.35); }
.offer-content { display: flex; flex-direction: column; align-items: flex-start; }
.offer-list { margin: 0 0 34px; padding-left: 22px; display: grid; gap: 13px; font-size: 1.04rem; }
.offer-list li::marker { color: var(--purple-light); }
.price-block { margin-bottom: 26px; }
.price-pre { display: block; font-size: .92rem; color: var(--muted); margin-bottom: 2px; }
.price { font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-size: clamp(4rem, 7vw, 6.2rem); line-height: .92; letter-spacing: .015em; }
.price small { font-size: .34em; vertical-align: top; position: relative; top: .2em; }
.cash { display: block; margin-top: 10px; font-size: 1.05rem; color: #efefef; }
.secure-note { margin-top: 12px; color: #aaa; font-size: .82rem; }

/* FAQ */
.faq { padding: 100px 0 94px; }
.faq h2 { text-align: center; margin-bottom: 48px; }
.faq-grid { max-width: 980px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { padding: 28px 30px; border-radius: 16px; border: 1px solid rgba(255,255,255,.11); background: #121212; }
.faq-item h3 { color: var(--purple-light); font-size: 1.18rem; }
.faq-item p + p { margin-top: 12px; }
.faq-item p { color: #e8e8e8; }
.faq-item a { color: var(--purple-light); text-underline-offset: 3px; }
.whatsapp-cta { max-width: 980px; margin: 42px auto 0; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.13); display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.whatsapp-cta p { font-size: 1.08rem; }

footer { background: #050505; border-top: 1px solid rgba(255,255,255,.08); padding: 36px 0; text-align: center; color: #c9c9c9; font-size: .84rem; }

/* reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}

@media (max-width: 980px) {
  .hero { padding-top: 34px; }
  .hero-grid, .author-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 28px; }
  .hero-product { min-height: 520px; }
  .device-frame { width: min(68%, 350px); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .difference-box { grid-template-columns: 1fr; gap: 38px; padding: 48px; }
  .author-card { max-width: 520px; width: 100%; margin-inline: auto; }
  .offer-box { grid-template-columns: .82fr 1.18fr; gap: 38px; padding: 40px; }
}

@media (max-width: 760px) {
  .container, .narrow { width: min(calc(100% - 28px), var(--container)); }
  h1 { font-size: clamp(2.6rem, 14vw, 4rem); }
  h2 { font-size: clamp(2.25rem, 10vw, 3.4rem); }
  .hero { min-height: 0; padding: 28px 0 64px; }
  .brand { width: 92px; }
  .hero-text { font-size: 1rem; }
  .btn { width: 100%; min-height: 56px; padding-inline: 18px; }
  .hero-product { min-height: 460px; }
  .product-glow { width: 380px; height: 380px; }
  .device-frame { width: min(76%, 330px); }
  .pain-section, .features, .section-photo-alt, .author, .faq { padding-top: 72px; padding-bottom: 76px; }
  .pain-card { padding: 26px 22px; }
  .problems { padding: 66px 0; }
  .split-card { grid-template-columns: 1fr; min-height: 0; }
  .portrait-panel { min-height: 400px; }
  .portrait-mask { inset: 4% 12% 0; border-radius: 70px 70px 0 0; }
  .problem-panel { padding: 40px 28px 34px; }
  .purple-callout { margin-top: 34px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .difference-box { padding: 34px 26px; border-radius: 20px; }
  .author h2 { margin-bottom: 32px; }
  .author-grid { gap: 42px; }
  .author-copy .btn { width: 100%; }
  .author-photo { min-height: 330px; }
  .offer { padding: 68px 0 76px; }
  .offer-box { grid-template-columns: 1fr; padding: 34px 24px; gap: 36px; }
  .offer-product img { width: min(70%, 280px); }
  .offer-content { align-items: stretch; }
  .price-block { text-align: center; }
  .offer-list { margin-inline: auto; }
  .faq-item { padding: 23px 21px; }
  .whatsapp-cta { flex-direction: column; align-items: stretch; text-align: center; }
}

@media (max-width: 390px) {
  h1 { font-size: 2.65rem; }
  h2 { font-size: 2.35rem; }
  .hero-product { min-height: 400px; }
  .device-frame { width: 82%; }
}