:root {
  --blue-900: #0a2c59;
  --blue-800: #0d3b73;
  --blue-700: #0f5c9d;
  --blue-100: #eaf5ff;
  --teal: #38c7c5;
  --green: #25d366;
  --white: #ffffff;
  --text: #17324d;
  --muted: #5f7285;
  --border: #d9e8f4;
  --shadow: 0 18px 45px rgba(10, 44, 89, 0.12);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7fcff 0%, #ffffff 46%, #eef8ff 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 5vw, 70px);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(217, 232, 244, 0.8);
}

.brand img { width: 118px; height: auto; }
.nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-weight: 650; }
.nav a:hover { color: var(--blue-700); }

.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--green), #18b75a);
  color: white;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.25);
}
.btn-secondary {
  background: white;
  color: var(--blue-800);
  border: 1px solid var(--border);
  box-shadow: 0 10px 22px rgba(10, 44, 89, 0.08);
}
.btn-large { padding: 15px 24px; }

.section { padding: 82px clamp(18px, 6vw, 90px); }
.hero {
  min-height: 78vh;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  align-items: center;
  gap: 46px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -120px -80px auto auto;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(56,199,197,.25), rgba(56,199,197,0) 70%);
  pointer-events: none;
}
.eyebrow {
  color: var(--blue-700);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 900;
  margin: 0 0 12px;
}
h1, h2, h3 { color: var(--blue-900); margin-top: 0; line-height: 1.08; }
h1 { font-size: clamp(2.45rem, 5.4vw, 5.1rem); margin-bottom: 20px; letter-spacing: -0.055em; }
h2 { font-size: clamp(1.9rem, 3.3vw, 3.3rem); letter-spacing: -0.04em; }
h3 { font-size: 1.18rem; }
p { line-height: 1.7; }
.hero-text { font-size: clamp(1.05rem, 1.5vw, 1.28rem); color: var(--muted); max-width: 690px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 22px; }
.trust-strip { display: flex; gap: 12px; flex-wrap: wrap; color: var(--blue-800); font-weight: 750; }
.trust-strip span { background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 9px 13px; box-shadow: 0 9px 24px rgba(10, 44, 89, 0.06); }

.hero-card {
  min-height: 480px;
  border-radius: 38px;
  background: linear-gradient(160deg, rgba(255,255,255,.94), rgba(234,245,255,.88));
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.9);
  padding: 38px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}
.lens-visual { position: absolute; top: 58px; left: 50%; transform: translateX(-50%); width: min(330px, 78%); aspect-ratio: 1; display: grid; place-items: center; }
.lens-ring { width: 100%; height: 100%; border: 26px solid rgba(15, 92, 157, 0.16); border-radius: 50%; box-shadow: inset 0 0 0 18px rgba(56,199,197,.15); }
.lens-dot { position: absolute; width: 82px; height: 82px; background: linear-gradient(135deg, var(--blue-700), var(--teal)); border-radius: 50%; box-shadow: 0 20px 42px rgba(15, 92, 157, .28); }
.hero-card-content { position: relative; padding: 26px; background: rgba(255,255,255,.72); border: 1px solid rgba(217,232,244,.8); border-radius: var(--radius); }
.hero-card-content p { color: var(--muted); margin-bottom: 0; }

.section-heading { max-width: 820px; margin-bottom: 34px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
.section-heading p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }
.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.soft-card, .step-card, .service-card, .frame-card, .audience-card, .education-box, .lead-form, .faq-list details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.92);
  box-shadow: 0 14px 36px rgba(10, 44, 89, .07);
}
.soft-card { padding: 30px; }
.soft-card p { color: var(--muted); margin-bottom: 0; }
.highlighted { background: linear-gradient(135deg, #ffffff, var(--blue-100)); }

.steps-grid, .services-grid, .catalog-grid { display: grid; gap: 22px; }
.steps-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.step-card { padding: 26px; }
.step-number { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--blue-100); color: var(--blue-800); font-weight: 900; margin-bottom: 18px; }
.step-card p, .service-card p, .frame-card p { color: var(--muted); margin-bottom: 0; }

.services-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-card { padding: 28px; }
.service-card span { font-size: 2rem; display: inline-block; margin-bottom: 14px; }

.audience-section { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.audience-card { padding: clamp(28px, 4vw, 48px); }
.audience-card p:not(.eyebrow) { color: var(--muted); }
.family { background: linear-gradient(135deg, #fff, #eef9ff); }
.business { background: linear-gradient(135deg, #fff, #effdfa); }

.catalog-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.frame-card { padding: 20px; }
.frame-illustration { height: 150px; border-radius: 20px; margin-bottom: 18px; position: relative; overflow: hidden; background: linear-gradient(135deg, #dff2ff, #ffffff); }
.frame-illustration::before, .frame-illustration::after {
  content: ""; position: absolute; top: 52px; width: 54px; height: 35px; border: 7px solid var(--blue-800); border-radius: 40px 40px 34px 34px;
}
.frame-illustration::before { left: 30px; }
.frame-illustration::after { right: 30px; }
.modern::before, .modern::after { border-color: var(--blue-700); }
.classic::before, .classic::after { border-color: #29415c; }
.acetate::before, .acetate::after { border-color: #117c8c; }
.metal::before, .metal::after { border-color: #778899; }
.frame-illustration span { position: absolute; }
.center-action { text-align: center; margin-top: 28px; }

.education-section { padding-top: 35px; }
.education-box { max-width: 1030px; margin: 0 auto; padding: clamp(30px, 5vw, 58px); text-align: center; background: linear-gradient(135deg, var(--blue-900), var(--blue-700)); }
.education-box h2, .education-box .eyebrow { color: white; }
.education-box p { color: rgba(255,255,255,.82); font-size: 1.08rem; }
.coverage-section { padding-top: 35px; }

.form-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: start; }
.form-copy p:not(.eyebrow) { color: var(--muted); }
.lead-form { padding: 28px; display: grid; gap: 16px; }
.lead-form label { display: grid; gap: 8px; color: var(--blue-900); font-weight: 800; }
.lead-form input, .lead-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 16px; padding: 14px 15px; color: var(--text); background: #fbfdff; outline: none;
}
.lead-form input:focus, .lead-form textarea:focus { border-color: var(--blue-700); box-shadow: 0 0 0 4px rgba(15, 92, 157, .1); }

.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
.faq-list details { padding: 20px 22px; }
.faq-list summary { cursor: pointer; color: var(--blue-900); font-weight: 850; }
.faq-list p { color: var(--muted); margin-bottom: 0; }

.final-cta { text-align: center; background: linear-gradient(180deg, rgba(234,245,255,.75), rgba(255,255,255,.94)); }
.final-cta p { color: var(--muted); max-width: 650px; margin: 0 auto 26px; }

.site-footer { padding: 44px 20px 90px; text-align: center; color: var(--muted); background: #071f40; }
.site-footer img { width: 130px; margin: 0 auto 12px; filter: drop-shadow(0 10px 22px rgba(255,255,255,.1)); }
.site-footer p { margin: 6px 0; color: rgba(255,255,255,.78); }
.site-footer .small { font-size: .9rem; color: rgba(255,255,255,.58); }

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  border: 0;
  border-radius: 999px;
  padding: 15px 19px;
  background: var(--green);
  color: white;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 18px 36px rgba(37, 211, 102, .35);
}

@media (max-width: 980px) {
  .nav { display: none; }
  .site-header { gap: 12px; }
  .site-header .btn { display: none; }
  .hero, .two-column, .audience-section, .form-section { grid-template-columns: 1fr; }
  .steps-grid, .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-card { min-height: 390px; }
}
@media (max-width: 620px) {
  .section { padding: 60px 18px; }
  .brand img { width: 102px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .steps-grid, .services-grid, .catalog-grid { grid-template-columns: 1fr; }
  .hero-card { padding: 22px; border-radius: 28px; }
  .lens-visual { top: 35px; width: 220px; }
  .hero-card-content { margin-top: 150px; }
  h1 { font-size: 2.35rem; }
  h2 { font-size: 1.9rem; }
}


/* Corrección final: logo limpio y botón flotante con ícono */
.site-header .brand,
.brand {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.site-header .brand img,
.brand img {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  object-fit: contain;
}

.floating-whatsapp {
  width: 58px !important;
  height: 58px !important;
  padding: 0 !important;
  border-radius: 999px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: #ffffff !important;
  border: 1px solid rgba(9, 36, 75, 0.12) !important;
  box-shadow: 0 18px 34px rgba(9, 36, 75, 0.18) !important;
  color: transparent !important;
  font-size: 0 !important;
}

.floating-whatsapp-icon {
  width: 32px !important;
  height: 32px !important;
  display: block !important;
}