:root {
  --ink: #14233a;
  --ink-soft: #5b6b80;
  --deep: #1a3a8f;
  --deeper: #14306e;
  --aqua: #2e7be0;
  --aqua-deep: #1a52c0;
  --gold: #1a52c0;
  --wpp: #25d366;
  --wpp-deep: #1da851;
  --paper: #f4f7fb;
  --card: #ffffff;
  --line: #e2e9f2;
  --shadow-sm: 0 2px 12px rgba(26, 58, 143, 0.06);
  --shadow: 0 10px 40px rgba(26, 58, 143, 0.10);
  --shadow-lg: 0 24px 60px rgba(26, 58, 143, 0.16);
  --radius: 20px;
  --container: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--ink); background: var(--paper); line-height: 1.65;
  -webkit-font-smoothing: antialiased; position: relative; overflow-x: hidden;
}
h1, h2, h3 { font-family: "Fraunces", Georgia, serif; font-weight: 600; line-height: 1.08; letter-spacing: -0.015em; }
em { font-style: italic; font-weight: 500; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.grain { position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; position: relative; z-index: 2; }
.container-narrow { max-width: 760px; }

/* HEADER */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(244, 249, 250, 0.8); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: "Fraunces", serif; font-weight: 600; font-size: 1.3rem; color: var(--deep); }
.brand-mark { width: 24px; height: 24px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #d7f5f8, var(--aqua) 55%, var(--aqua-deep));
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.55), 0 2px 8px rgba(13,138,147,0.4); }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-size: 0.95rem; font-weight: 500; color: var(--ink-soft); transition: color 0.15s; }
.nav a:hover { color: var(--deep); }
.nav-cta { background: var(--wpp); color: #fff !important; padding: 10px 20px; border-radius: 999px; font-weight: 600 !important; box-shadow: 0 4px 14px rgba(37,211,102,0.35); transition: transform 0.12s, box-shadow 0.15s; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(37,211,102,0.45); }

/* HERO */
.hero { position: relative; background: linear-gradient(170deg, #eef4fc 0%, #dde9fa 100%); color: var(--ink); padding: clamp(60px, 9vw, 120px) 0 clamp(70px, 9vw, 130px); overflow: hidden; }
.hero-glow { position: absolute; top: -20%; right: -10%; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(46,123,224,0.18), transparent 65%); filter: blur(20px); z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--aqua-deep); border: 1px solid rgba(26,82,192,0.3); padding: 7px 16px; border-radius: 999px; margin-bottom: 26px; }
.hero h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); color: var(--deep); margin-bottom: 22px; font-weight: 600; }
.hero h1 em { color: var(--aqua); }
.lead { font-size: 1.18rem; color: var(--ink-soft); max-width: 32em; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-trust { list-style: none; display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 38px; }
.hero-trust li { position: relative; padding-left: 24px; font-size: 0.95rem; color: var(--ink); font-weight: 500; }
.hero-trust li::before { content: ""; position: absolute; left: 0; top: 7px; width: 13px; height: 8px; border-left: 2px solid var(--aqua); border-bottom: 2px solid var(--aqua); transform: rotate(-45deg); }

/* HERO VISUAL */
.hero-visual { display: flex; justify-content: center; }
.vial-stage { position: relative; width: 100%; max-width: 440px; display: flex; justify-content: center; align-items: center; }
.vial-img { width: 100%; filter: drop-shadow(0 26px 50px rgba(26,58,143,0.28)); position: relative; z-index: 2; }
@media (prefers-reduced-motion: reduce) { .vial-img { animation: none; } }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; border-radius: 999px; cursor: pointer; border: none; transition: transform 0.12s, box-shadow 0.15s, background 0.15s; font-family: inherit; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--wpp); color: #fff; box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
.btn-primary:hover { background: var(--wpp-deep); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(37,211,102,0.5); }
.btn-ghost { background: #ffffff; color: var(--deep); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { background: #f4f7fb; border-color: var(--aqua); }
.btn-lg { padding: 16px 30px; font-size: 1.05rem; }

/* SECTIONS */
.section { padding: clamp(64px, 9vw, 104px) 0; }
.section-alt { background: #e9f4f6; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-eyebrow { display: inline-block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--aqua-deep); margin-bottom: 14px; }
.section-head h2 { font-size: clamp(2rem, 4.2vw, 2.8rem); color: var(--deep); margin-bottom: 12px; }
.section-head p { color: var(--ink-soft); max-width: 36em; margin: 0 auto; }

/* GRID / CARDS */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s; position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--aqua), var(--aqua-deep)); opacity: 0; transition: opacity 0.18s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card-volume { align-self: flex-start; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; color: var(--aqua-deep); background: #e3f6f8; padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; }
.card h3 { font-size: 1.4rem; color: var(--deep); margin-bottom: 10px; }
.card-desc { color: var(--ink-soft); font-size: 0.96rem; flex-grow: 1; margin-bottom: 22px; }
.card-price { font-size: 2.1rem; font-family: "Fraunces", serif; font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.card-price small { font-size: 0.9rem; font-weight: 500; color: var(--ink-soft); font-family: "Inter", sans-serif; }
.card-atacado { font-size: 0.86rem; color: var(--aqua-deep); margin-top: 10px; line-height: 1.5; font-weight: 500; }
.card-foot { margin-top: 22px; }
.card .btn { width: 100%; justify-content: center; }
.card-out { opacity: 0.6; }
.badge-out { font-size: 0.85rem; color: #b04a4a; font-weight: 600; }

/* TRUST */
.section-trust { background: var(--paper); }
.trust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 28px; }
.trust-card { text-align: center; padding: 36px 28px; }
.trust-icon { width: 64px; height: 64px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: var(--aqua-deep); background: linear-gradient(135deg, #e3f6f8, #d2eef1); border-radius: 18px; box-shadow: var(--shadow-sm); }
.trust-card h3 { font-size: 1.25rem; color: var(--deep); margin-bottom: 10px; }
.trust-card p { color: var(--ink-soft); font-size: 0.96rem; }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: box-shadow 0.15s; }
.faq-item.open { box-shadow: var(--shadow-sm); }
.faq-q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 20px 24px; font-size: 1.05rem; font-weight: 600; color: var(--deep); display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: inherit; }
.faq-q::after { content: "+"; font-size: 1.5rem; color: var(--aqua-deep); transition: transform 0.2s; flex-shrink: 0; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.28s ease; }
.faq-a-inner { padding: 0 24px 20px; color: var(--ink-soft); }

/* CTA FINAL */
.cta-final { background: linear-gradient(165deg, var(--deep), var(--deeper)); color: #fff; padding: clamp(56px, 8vw, 88px) 0; text-align: center; }
.cta-inner h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); color: #fff; margin-bottom: 12px; }
.cta-inner p { color: #b9d6dd; margin-bottom: 30px; font-size: 1.1rem; }

/* FOOTER */
.site-footer { background: var(--deeper); color: #cfe3ea; padding: 60px 0 26px; }
.footer-inner { display: flex; justify-content: space-between; gap: 36px; flex-wrap: wrap; padding-bottom: 34px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-inner p { max-width: 32em; margin-top: 14px; color: #8fb3c0; font-size: 0.95rem; }
.brand-footer { color: #fff; margin-bottom: 0; }
.footer-contact { display: flex; flex-direction: column; gap: 11px; }
.footer-label { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: #6f97a5; margin-bottom: 2px; }
.footer-contact a { color: #cfe3ea; font-weight: 500; transition: color 0.15s; }
.footer-contact a:hover { color: var(--aqua); }
.footer-legal { padding-top: 26px; font-size: 0.85rem; color: #6f97a5; }

/* USOS / CONTEÚDO */
.section-usos { background: var(--paper); }
.usos-content { font-size: 1.06rem; color: var(--ink-soft); }
.usos-content > p { margin-bottom: 18px; }
.usos-content strong { color: var(--ink); font-weight: 600; }
.usos-content h3 { font-size: 1.4rem; color: var(--deep); margin: 32px 0 12px; }
.usos-cta-note { margin-top: 28px; padding: 20px 24px; background: #e3f6f8; border-radius: 14px; color: var(--ink); }
.usos-cta-note a { color: var(--aqua-deep); font-weight: 600; text-decoration: underline; }

/* FLOAT WPP */
.float-wpp { position: fixed; bottom: 24px; right: 24px; z-index: 60; width: 60px; height: 60px; border-radius: 50%; background: var(--wpp); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(37,211,102,0.5); transition: transform 0.15s, background 0.15s; }
.float-wpp:hover { transform: scale(1.08); background: var(--wpp-deep); }

/* RESPONSIVE */
@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-actions { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-visual { order: -1; }
  .vial-stage { width: 180px; }
  .vial-img { width: 130px; }
  .vial-ring { width: 180px; height: 180px; }
  .nav { gap: 16px; }
  .nav a:not(.nav-cta) { display: none; }
}

a:focus-visible, button:focus-visible { outline: 3px solid var(--aqua); outline-offset: 3px; border-radius: 8px; }
