/* =========================================================
   BULON TUC — Estilos
   ========================================================= */

:root {
  --primary: #e30613;
  --primary-dark: #b30410;
  --secondary: #0f1a2b;
  --dark: #0b0f19;
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-500: #6b7280;
  --gray-300: #d1d5db;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --yellow: #fdc72a;
  --wa: #25d366;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 6px rgba(0,0,0,.06);
  --shadow: 0 10px 30px rgba(15,26,43,.10);
  --shadow-lg: 0 25px 60px rgba(15,26,43,.18);

  --container: 1200px;
  --header-h: 72px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.hl { color: var(--primary); }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 12px;
}

h1, h2, h3, h4 {
  font-family: 'Oswald', 'Inter', sans-serif;
  letter-spacing: .5px;
  color: var(--dark);
  margin: 0 0 16px;
  line-height: 1.15;
}

h1 { font-size: clamp(34px, 5vw, 58px); font-weight: 700; }
h2 { font-size: clamp(28px, 3.5vw, 42px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 600; }
h4 { font-size: 16px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }

p { margin: 0 0 14px; color: var(--gray-700); }

/* =====================
   BUTTONS
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
  font-family: inherit;
}
.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(227,6,19,.35);
}
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.4);
}
.btn--ghost:hover { background: rgba(255,255,255,.1); }
.btn--white {
  background: var(--white);
  color: var(--primary);
}
.btn--white:hover { background: var(--gray-100); transform: translateY(-2px); }
.btn--sm { padding: 9px 16px; font-size: 14px; }
.btn--block { width: 100%; }

/* =====================
   HEADER
   ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: box-shadow .2s ease;
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 1px;
  color: var(--dark);
}
.brand--light { color: var(--white); }
.brand__logo {
  height: 48px;
  width: auto;
  border-radius: 8px;
}
.brand__logo--footer { height: 56px; }
.brand__name span { color: var(--primary); }
.brand--light .brand__name span { color: var(--yellow); }

.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 15px;
  position: relative;
  padding: 4px 0;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width .2s ease;
}
.nav a:hover { color: var(--primary); }
.nav a:hover::after { width: 100%; }

.header__cta { display: inline-flex; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* =====================
   HERO
   ===================== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 60px) 0 100px;
  color: var(--white);
  overflow: hidden;
  background: linear-gradient(135deg, #0b0f19 0%, #1a2338 60%, #0f1a2b 100%);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(227,6,19,.35), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(253,199,42,.15), transparent 45%);
  pointer-events: none;
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 60px;
  align-items: center;
}

.pill {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  color: #fff;
}

.hero__content h1 { color: var(--white); margin-bottom: 20px; }
.hero__lead {
  font-size: 18px;
  color: rgba(255,255,255,.8);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero__stats {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 500px;
}
.hero__stats li {
  display: flex;
  flex-direction: column;
  border-left: 3px solid var(--primary);
  padding-left: 14px;
}
.hero__stats strong {
  font-family: 'Oswald', sans-serif;
  font-size: 26px;
  color: var(--white);
}
.hero__stats span {
  font-size: 13px;
  color: rgba(255,255,255,.7);
}

.hero__visual {
  position: relative;
  height: 480px;
}
.hero__card {
  position: absolute;
  background: var(--white);
  color: var(--dark);
  padding: 18px 22px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  animation: float 6s ease-in-out infinite;
}
.hero__card svg { color: var(--primary); flex-shrink: 0; }
.hero__card div { display: flex; flex-direction: column; }
.hero__card strong { font-weight: 700; font-size: 15px; }
.hero__card span { font-size: 13px; color: var(--gray-500); }

.hero__card--1 { top: 20px; left: 0; }
.hero__card--2 { top: 190px; right: 0; animation-delay: -2s; }
.hero__card--3 { bottom: 30px; left: 40px; animation-delay: -4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* =====================
   SECTIONS
   ===================== */
.section { padding: 100px 0; }
.section--alt { background: var(--gray-50); }

.section__head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}
.section__head p { font-size: 17px; color: var(--gray-500); }

/* =====================
   ABOUT
   ===================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}
.check-list li {
  position: relative;
  padding-left: 32px;
  color: var(--gray-700);
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 4px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--primary);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M20 6L9 17l-5-5'/></svg>");
  background-size: 14px;
  background-position: center;
  background-repeat: no-repeat;
}

.about__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.feature {
  background: var(--white);
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature__icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 12px;
  display: grid; place-items: center;
  margin-bottom: 14px;
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { margin-bottom: 6px; font-family: 'Inter', sans-serif; font-size: 17px; }
.feature p { margin: 0; font-size: 14px; color: var(--gray-500); }

/* =====================
   PRODUCTS
   ===================== */
.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.product {
  background: var(--white);
  padding: 30px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  text-align: left;
}
.product:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.product__icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, #fff5f5, #ffe0e0);
  color: var(--primary);
  border-radius: 14px;
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.product__icon svg { width: 32px; height: 32px; }
.product h3 { font-family: 'Inter', sans-serif; font-size: 17px; margin-bottom: 8px; }
.product p { font-size: 14px; margin: 0; color: var(--gray-500); }

/* =====================
   BRANDS
   ===================== */
.brands {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.brand-tile {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 24px 16px;
  text-align: center;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--gray-700);
  transition: all .2s ease;
}
.brand-tile:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

/* =====================
   CTA
   ===================== */
.cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 70px 0;
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta h2 { color: var(--white); margin-bottom: 6px; }
.cta p { color: rgba(255,255,255,.9); margin: 0; }

/* =====================
   CONTACT
   ===================== */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 20px;
}
.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-list__icon {
  width: 44px; height: 44px;
  background: #fff5f5;
  color: var(--primary);
  border-radius: 12px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-list__icon svg { width: 20px; height: 20px; }
.contact-list strong { display: block; color: var(--dark); font-size: 15px; }
.contact-list span, .contact-list a { color: var(--gray-500); font-size: 14px; }
.contact-list a:hover { color: var(--primary); }

.form {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}
.form h3 { margin-bottom: 20px; font-family: 'Inter', sans-serif; }
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 16px;
}
.form input,
.form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--dark);
  background: var(--gray-50);
  transition: border-color .15s ease, background .15s ease;
}
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
}
.form textarea { resize: vertical; }

/* =====================
   FOOTER
   ===================== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer h4 { color: var(--white); margin-bottom: 14px; }
.footer p { color: rgba(255,255,255,.6); margin-top: 14px; font-size: 14px; }
.footer ul {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
}
.footer a:hover { color: var(--white); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  text-align: center;
}

/* =====================
   WHATSAPP FLOAT
   ===================== */
.wa-float {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 60px; height: 60px;
  background: var(--wa);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 10px 25px rgba(37,211,102,.5);
  z-index: 90;
  transition: transform .2s ease;
  animation: pulse 2.5s infinite;
}
.wa-float:hover { transform: scale(1.08); }
@keyframes pulse {
  0% { box-shadow: 0 10px 25px rgba(37,211,102,.5), 0 0 0 0 rgba(37,211,102,.5); }
  70% { box-shadow: 0 10px 25px rgba(37,211,102,.5), 0 0 0 18px rgba(37,211,102,0); }
  100% { box-shadow: 0 10px 25px rgba(37,211,102,.5), 0 0 0 0 rgba(37,211,102,0); }
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 960px) {
  .hero__grid,
  .about__grid,
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .products { grid-template-columns: repeat(2, 1fr); }
  .brands { grid-template-columns: repeat(3, 1fr); }
  .about__cards { grid-template-columns: 1fr 1fr; }
  .hero__visual { height: 380px; max-width: 460px; margin: 0 auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    box-shadow: var(--shadow);
    gap: 18px;
  }
  .nav.is-open { display: flex; }
  .nav-toggle { display: flex; }
  .header__cta { display: none; }

  .section { padding: 70px 0; }
  .hero { padding: calc(var(--header-h) + 40px) 0 70px; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .about__cards { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .cta__inner { text-align: center; justify-content: center; }
  .footer__grid { grid-template-columns: 1fr; }

  .hero__visual { display: none; }
  .brands { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 440px) {
  .products { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
  .btn { padding: 12px 20px; font-size: 14px; }
}