:root {
  --navy: #061b3a;
  --blue: #0b5cff;
  --blue-soft: #eaf2ff;
  --cyan: #6ee7ff;
  --ink: #0b1220;
  --muted: #5f6f89;
  --line: rgba(13, 37, 74, 0.12);
  --white: #fff;
  --glass: rgba(255, 255, 255, 0.13);
  --shadow: 0 24px 80px rgba(6, 27, 58, 0.16);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f8fbff;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(880px, calc(100% - 40px)); }
.centered { text-align: center; }
.section-light, .section-gradient, .section-dark { padding: 112px 0; position: relative; }
.section-gradient { background: radial-gradient(circle at 10% 0%, #e8f3ff 0, transparent 32%), linear-gradient(180deg, #fff 0%, #eef6ff 100%); }
.section-dark { background: var(--navy); color: var(--white); }
.soft-dark { background: radial-gradient(circle at 20% 0%, rgba(110, 231, 255, .22), transparent 30%), linear-gradient(135deg, #061b3a 0%, #071329 100%); }

.navbar {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  width: min(1180px, calc(100% - 32px)); z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 22px;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.11);
  backdrop-filter: blur(22px);
  border-radius: 999px;
  transition: .3s ease;
}
.navbar.scrolled { background: rgba(6,27,58,.78); border-color: rgba(255,255,255,.16); box-shadow: 0 14px 40px rgba(6,27,58,.18); color: var(--white); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; color: var(--white); }
.brand-symbol { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg, #0b5cff 0%, #6ee7ff 52%, #061b3a 100%); box-shadow: inset 0 0 0 2px rgba(255,255,255,.18), 0 10px 26px rgba(11,92,255,.26); }
.brand-symbol i { font-size: 1.15rem; color: white; }
.brand-text { display: grid; line-height: 1; letter-spacing: -.04em; }
.brand-text small { font-size: clamp(.68rem, 1vw, .88rem); font-weight: 500; opacity: .92; }
.brand-text strong { font-size: clamp(1.35rem, 2vw, 2.05rem); font-weight: 900; }
.nav-cta { padding: 12px 18px; border-radius: 999px; background: var(--white); color: var(--navy); box-shadow: 0 12px 30px rgba(0,0,0,.1); font-size: .92rem; font-weight: 800; white-space: nowrap; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(0,0,0,.14); }

.brand {
  display: inline-flex;
  align-items: center;
  padding: 0;
  transition: transform 0.25s ease;
}
.brand:hover { transform: translateY(-2px); }
.brand-logo {
  display: block;
  width: clamp(172px, 17vw, 238px);
  height: auto;
}

.hero { min-height: 100vh; display: grid; align-items: center; padding: 150px 0 92px; overflow: hidden; }
.hero-media, .hero-media img, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media img { object-fit: cover; opacity: .42; }
.hero-overlay { background: radial-gradient(circle at 75% 20%, rgba(59,130,246,.35), transparent 24%), linear-gradient(90deg, rgba(6,27,58,.96), rgba(6,27,58,.7) 46%, rgba(6,27,58,.54)); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(360px, .8fr); gap: 70px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; color: #c9e7ff; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; }
.eyebrow.dark { color: var(--blue); }
.eyebrow span { width: 34px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--blue)); border-radius: 9px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.35rem, 5.6vw, 4.85rem); line-height: .98; letter-spacing: -.07em; max-width: 760px; margin-bottom: 22px; }
h2 { font-size: clamp(2rem, 4.4vw, 3.95rem); line-height: 1.02; letter-spacing: -.065em; margin-bottom: 16px; }
h3 { letter-spacing: -.04em; }
.subheadline, .section-heading p { color: #d6e6fb; font-size: clamp(1rem, 1.65vw, 1.18rem); line-height: 1.62; max-width: 680px; }
.section-heading p { color: var(--muted); margin-inline: auto; }
.light-text p { color: #c7d7ed; }
.benefit-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0; }
.benefit-row span { padding: 9px 13px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; background: rgba(255,255,255,.09); backdrop-filter: blur(18px); font-weight: 700; font-size: .86rem; }
.benefit-row i { color: var(--cyan); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn { border: 0; cursor: pointer; display: inline-flex; justify-content: center; align-items: center; gap: 10px; padding: 16px 22px; border-radius: 999px; font-weight: 900; font-size: .95rem; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: linear-gradient(135deg, #0b5cff, #38c6ff); color: white; box-shadow: 0 20px 50px rgba(11,92,255,.34); }
.btn-secondary { background: rgba(255,255,255,.12); color: white; border: 1px solid rgba(255,255,255,.24); backdrop-filter: blur(18px); }
.section-light .btn-secondary, .section-gradient .btn-secondary { background: white; color: var(--navy); border-color: var(--line); }
.hero-note { color: #b7cde8; margin: 18px 0 0; font-size: .95rem; }
.hero-showcase { position: relative; min-height: 560px; }
.glass-card { background: var(--glass); border: 1px solid rgba(255,255,255,.22); box-shadow: var(--shadow); backdrop-filter: blur(24px); }
.showcase-card { position: absolute; overflow: hidden; border-radius: 36px; }
.main-card { inset: 0 0 70px 20px; padding: 12px; transform: rotate(2deg); }
.main-card img { width: 100%; height: 100%; object-fit: cover; border-radius: 28px; }
.mini-card { left: -48px; bottom: 0; width: 280px; padding: 10px; transform: rotate(-5deg); }
.mini-card img { height: 210px; width: 100%; object-fit: cover; object-position: center top; border-radius: 22px; }
.mini-card span, .floating-badge { font-weight: 900; }
.mini-card span { display: block; padding: 12px 8px 4px; }
.floating-badge { position: absolute; right: 28px; bottom: 28px; padding: 14px 16px; border-radius: 999px; background: rgba(255,255,255,.9); color: var(--navy); }
.scroll-indicator { position: absolute; z-index: 2; left: 50%; bottom: 22px; transform: translateX(-50%); width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.28); animation: float 2.4s infinite; }

.pain-grid, .authority-grid, .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 54px; }
.premium-card, .testimonial-card, .compare-card, .step, .lead-form {
  border: 1px solid var(--line); background: rgba(255,255,255,.82); border-radius: var(--radius); padding: 30px; box-shadow: 0 20px 70px rgba(6,27,58,.08); transition: .28s ease;
}
.premium-card:hover, .testimonial-card:hover, .step:hover { transform: translateY(-8px); box-shadow: 0 28px 90px rgba(6,27,58,.14); }
.premium-card i { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 18px; background: var(--blue-soft); color: var(--blue); font-size: 1.2rem; margin-bottom: 24px; }
.premium-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.premium-card p, .compare-card li, .step p, .testimonial-card p, .faq p, .lead-form small { color: var(--muted); line-height: 1.62; font-size: .96rem; }

.split-grid { display: grid; grid-template-columns: .9fr 1.05fr; gap: 76px; align-items: center; }
.image-stack { position: relative; min-height: 560px; }
.image-primary { width: 100%; height: 560px; object-fit: cover; border-radius: 42px; box-shadow: var(--shadow); }
.vision-compare { position: relative; width: 100%; height: 560px; overflow: hidden; border-radius: 42px; box-shadow: var(--shadow); background: #d8e5f4; isolation: isolate; }
.vision-compare__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.vision-compare__blur { position: absolute; inset: 0; width: var(--position); overflow: hidden; z-index: 2; border-right: 2px solid rgba(255,255,255,.88); }
.vision-compare__image--blurred { width: calc(100% / (var(--position-number, .5))); filter: blur(8px); transform: scale(1.04); transform-origin: left center; }
.vision-compare__range { position: absolute; inset: 0; z-index: 5; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; }
.vision-compare__handle { position: absolute; z-index: 4; top: 50%; left: var(--position); width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; color: var(--navy); background: rgba(255,255,255,.94); box-shadow: 0 16px 34px rgba(6,27,58,.24); transform: translate(-50%, -50%); pointer-events: none; }
.vision-compare__handle::before, .vision-compare__handle::after { content: ""; position: absolute; left: 50%; width: 2px; height: 260px; background: rgba(255,255,255,.86); transform: translateX(-50%); }
.vision-compare__handle::before { bottom: 100%; }
.vision-compare__handle::after { top: 100%; }
.vision-compare__label { position: absolute; z-index: 3; top: 24px; padding: 9px 13px; border-radius: 999px; background: rgba(6,27,58,.68); color: white; font-size: .82rem; font-weight: 900; letter-spacing: .02em; backdrop-filter: blur(14px); }
.vision-compare__label--blur { left: 24px; }
.vision-compare__label--clear { right: 24px; }
.image-caption { position: absolute; left: 28px; right: 28px; bottom: 28px; padding: 20px; border-radius: 24px; font-weight: 900; color: white; }
.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 34px; }
.compare-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.compare-card li { display: flex; gap: 10px; align-items: center; }
.before i { color: #e15b64; }.after i { color: #10b981; }.after { border-color: rgba(11,92,255,.22); background: linear-gradient(180deg, white, #f0f7ff); }

.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 52px; }
.step { position: relative; min-height: 230px; }
.step strong { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; color: white; background: linear-gradient(135deg, var(--blue), var(--cyan)); margin-bottom: 22px; }
.cta-spacer { margin-top: 42px; }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 48px 0 26px; }
.stat { border-radius: 30px; padding: 32px; text-align: center; }
.stat strong { display: block; font-size: clamp(2.8rem, 5vw, 4.5rem); letter-spacing: -.07em; }
.stat span { color: #c6ddf7; font-weight: 800; }
.authority-grid article { padding: 26px; border-radius: 26px; }
.authority-grid i { color: var(--cyan); font-size: 1.5rem; margin-bottom: 18px; }

.video-thumb { position: relative; overflow: hidden; border-radius: 24px; margin-bottom: 20px; display: block; color: inherit; }
.video-thumb img { height: 260px; width: 100%; object-fit: cover; transition: transform .45s ease; }
.video-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(6,27,58,.74)); pointer-events: none; }
.video-thumb:hover img { transform: scale(1.04); }
.play-button { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); z-index: 1; width: 64px; height: 64px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--blue); font-size: 1.2rem; box-shadow: 0 18px 44px rgba(6,27,58,.24); }
.instagram-badge { position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 1; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--navy); font-size: .86rem; font-weight: 900; }
.stars { color: #f5b301; margin-bottom: 24px; }
.patient { display: flex; align-items: center; gap: 12px; margin-top: 24px; font-weight: 900; }
.patient img { width: 48px; height: 48px; object-fit: cover; border-radius: 50%; }

.faq-list { display: grid; gap: 14px; }
details { border: 1px solid var(--line); background: rgba(255,255,255,.86); border-radius: 22px; padding: 22px 24px; box-shadow: 0 12px 40px rgba(6,27,58,.06); }
summary { cursor: pointer; display: flex; justify-content: space-between; gap: 18px; align-items: center; font-weight: 900; font-size: 1.05rem; list-style: none; }
summary::-webkit-details-marker { display: none; }
details[open] summary i { transform: rotate(45deg); }
summary i { transition: .25s; color: var(--blue); }
details p { margin: 16px 0 0; }

.final-cta { background: radial-gradient(circle at 75% 20%, rgba(110,231,255,.18), transparent 28%), linear-gradient(135deg, #061b3a, #08101e); }
.cta-panel { display: grid; grid-template-columns: .9fr .82fr; gap: 48px; align-items: center; border-radius: 42px; padding: clamp(28px, 5vw, 58px); }
.cta-panel h2 { color: white; }
.cta-panel p:not(.eyebrow) { color: #c8d8ee; font-size: 1.2rem; line-height: 1.7; }
.lead-form { display: grid; gap: 14px; background: rgba(255,255,255,.94); }
.lead-form label { display: grid; gap: 8px; font-weight: 900; color: var(--navy); }
input, select { width: 100%; border: 1px solid var(--line); border-radius: 16px; padding: 15px 16px; font: inherit; color: var(--ink); background: white; outline: none; }
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(11,92,255,.1); }
.lead-form .btn { width: 100%; }
.lead-form .btn-secondary { background: var(--navy); color: white; }
.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 60px; height: 60px; display: grid; place-items: center; border-radius: 50%; background: #25d366; color: white; font-size: 1.8rem; box-shadow: 0 18px 40px rgba(37,211,102,.35); animation: pulse 2.2s infinite; }

@keyframes float { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, -10px); } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }

@media (max-width: 980px) {
  .hero-grid, .split-grid, .cta-panel { grid-template-columns: 1fr; }
  .hero-showcase { min-height: 430px; }
  .main-card { left: 0; }
  .timeline, .pain-grid, .authority-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .container, .narrow { width: min(100% - 28px, 1180px); }
  .section-light, .section-gradient, .section-dark { padding: 78px 0; }
  .hero { padding-top: 128px; }
  h1 { font-size: clamp(2.1rem, 11vw, 3.35rem); }
  .hero-actions .btn { width: 100%; }
  .pain-grid, .authority-grid, .testimonial-grid, .stats-grid, .timeline, .before-after { grid-template-columns: 1fr; }
  .hero-showcase { min-height: 380px; }
  .mini-card { width: 230px; left: 0; }
  .mini-card img { height: 165px; }
  .image-primary, .image-stack, .vision-compare { min-height: 430px; height: 430px; }
  .navbar { top: 10px; width: calc(100% - 20px); padding: 8px 10px; }
  .brand { gap: 8px; }
  .brand-symbol { width: 36px; height: 36px; flex-basis: 36px; }
  .brand-text small { font-size: .58rem; }
  .brand-text strong { font-size: 1.15rem; }
  .nav-cta { padding: 10px 12px; font-size: .78rem; }
}