/* =============================================
   YIC LANDING PAGE — style.css
   Estilo: Blanco clínico / Azul profundo / Dorado acento
   ============================================= */

:root {
  --white: #ffffff;
  --off-white: #f7f8fc;
  --blue-deep: #0d1b3e;
  --blue-mid: #1a3a6e;
  --blue-accent: #1e5aaa;
  --blue-light: #e8eef8;
  --gold: #b89a4f;
  --gold-light: #d4b87a;
  --gray-100: #f0f2f7;
  --gray-200: #d8dce8;
  --gray-400: #8892a4;
  --gray-600: #4a5568;
  --text-main: #0d1b3e;
  --text-sub: #4a5568;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
  --transition: 0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--off-white);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow: hidden;
}

.logo-img {
  height: 32px;
  max-height: 32px;
  width: auto;
  display: block;
  object-fit: contain;
}

.navbar {
  overflow: hidden;
}

.logo-yic {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--blue-deep);
  letter-spacing: 0.05em;
}

.logo-divider {
  color: var(--gray-200);
}

.logo-tagline {
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  height: 32px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--blue-light);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  transition: var(--transition);
}

.lang-toggle:hover {
  border-color: var(--blue-accent);
}

.lang-option {
  transition: color var(--transition);
  cursor: pointer;
}

.lang-option.active {
  color: var(--blue-accent);
  font-weight: 600;
}

.lang-divider {
  color: var(--gray-200);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 2rem 80px;
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(
      135deg,
      rgba(13, 27, 62, 0.78) 0%,
      rgba(26, 58, 110, 0.52) 45%,
      rgba(13, 27, 62, 0.20) 100%
    ),
    url("./images/hero.png");

  background-size: cover;
  background-position: 68% center;
  background-repeat: no-repeat;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
  linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
  linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;

  /* DESVANECIDO */
  mask-image: linear-gradient(
  to right,
  rgba(0,0,0,1) 0%,
  rgba(0,0,0,0.85) 35%,
  rgba(0,0,0,0.55) 65%,
  rgba(0,0,0,0.2) 85%,
  rgba(0,0,0,0) 100%
);

  -webkit-mask-image: linear-gradient(
    to right,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,0.6) 40%,
    rgba(0,0,0,0.2) 70%,
    rgba(0,0,0,0) 100%
  );
}

hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(13, 27, 62, 0.35)
  );
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.1s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.25s forwards;
}

.hero-sub {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.65);
  max-width: 520px;
  line-height: 1.8;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero-line {
  margin-top: 2.5rem;
  width: 60px;
  height: 1px;
  background: var(--gold);
  opacity: 0;
  animation: fadeUp 0.8s ease 0.55s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   FILTER BAR
   ============================================= */
.filter-bar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 68px;
  z-index: 90;
}

.filter-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.filter-inner::-webkit-scrollbar { display: none; }

.filter-btn {
  background: none;
  border: none;
  padding: 1rem 1.1rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  margin-bottom: -1px;
}

.filter-btn:hover {
  color: var(--blue-accent);
}

.filter-btn.active {
  color: var(--blue-accent);
  font-weight: 600;
  border-bottom-color: var(--blue-accent);
}

/* =============================================
   PRODUCTS GRID
   ============================================= */
.products {
  padding: 4rem 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

/* =============================================
   CARD
   ============================================= */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.card-image {
  width: calc(100% + 3.5rem);
  margin-left: -1.75rem;
  margin-right: -1.75rem;
  margin-top: 0.25rem;

  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;

  background: transparent;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
}

.card-image img {
  max-width: 92%;
  max-height: 140px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-accent), var(--gold));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(13, 27, 62, 0.1);
  border-color: var(--blue-light);
}

.card:hover::before {
  opacity: 1;
}

.card.hidden {
  display: none;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-format {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.card-format.syringe {
  background: #e8f0fe;
  color: var(--blue-accent);
}

.card-format.vial {
  background: var(--gray-100);
  color: var(--gray-600);
}

.card-category {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--blue-deep);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.card-subtitle {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-400);
  letter-spacing: 0.04em;
  margin-top: -0.4rem;
}

.card-mechanism {
  font-size: 0.83rem;
  color: var(--text-sub);
  line-height: 1.65;
  border-left: 2px solid var(--blue-light);
  padding-left: 0.9rem;
}

.card-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.card-benefits li {
  font-size: 0.8rem;
  color: var(--text-sub);
  padding-left: 1rem;
  position: relative;
}

.card-benefits li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.7rem;
}

.card-footer {
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
  margin-top: auto;
}

.card-admin {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-accent);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--blue-deep);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-brand img {
  height: 32px;
  width: auto;
  display: block;
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: 1rem;
  text-align: center;
}

.footer-text {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

.footer-address {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 0 auto;
  line-height: 1.7;
}

.footer-copy {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.08em;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .hero {
    padding: 100px 1.5rem 70px;
  }

  .products {
    padding: 3rem 1rem 4rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .logo-tagline {
    display: flex;
  }
}

@media (max-width: 480px) {
  .filter-inner {
    padding: 0 1rem;
  }

  .card {
    padding: 1.4rem;
  }
}