/* ============================
   DIPRO Péptidos — Global CSS
   ============================ */
:root {
  --bg:        #050b18;
  --bg2:       #0d1b2a;
  --bg3:       #0f2236;
  --teal:      #2dd4bf;
  --teal2:     #0891b2;
  --silver:    #94a3b8;
  --text:      #e2e8f0;
  --muted:     #64748b;
  --white:     #f8fafc;
  --card:      #0d1b2a;
  --border:    rgba(45,212,191,0.18);
  --radius:    12px;
  --shadow:    0 8px 32px rgba(0,0,0,0.5);
  --font-head: 'Cinzel', serif;
  --font-body: 'Inter', sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(5,11,24,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.nav-logo img { height: 48px; width: 48px; object-fit: contain; border-radius: 50%; }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
}
.nav-logo-sub {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--silver);
  transition: color 0.2s;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform 0.25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--teal); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  background: var(--teal);
  color: var(--bg) !important;
  font-weight: 700 !important;
  font-size: 0.82rem !important;
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  transition: background 0.2s, transform 0.15s !important;
}
.nav-cta:hover { background: #5eead4 !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--silver);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================
   HERO
   ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 72px;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%,
    rgba(8,145,178,0.18) 0%,
    rgba(45,212,191,0.07) 40%,
    transparent 70%),
    var(--bg);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-content {
  position: relative;
  text-align: center;
  padding: 2rem;
  max-width: 760px;
}
.hero-logo {
  width: 140px;
  height: 140px;
  margin: 0 auto 2rem;
  border-radius: 50%;
  border: 2px solid var(--border);
  box-shadow: 0 0 60px rgba(45,212,191,0.25), 0 0 120px rgba(8,145,178,0.12);
  object-fit: cover;
  animation: logoPulse 4s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 40px rgba(45,212,191,0.2), 0 0 80px rgba(8,145,178,0.1); }
  50%       { box-shadow: 0 0 80px rgba(45,212,191,0.4), 0 0 160px rgba(8,145,178,0.2); }
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}
.hero-title span { color: var(--teal); }
.hero-subtitle {
  font-family: var(--font-head);
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 1rem;
}
.hero-pillars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}
.hero-pillars span { color: var(--silver); }

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--teal);
  color: var(--bg);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary:hover {
  background: #5eead4;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45,212,191,0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--teal);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: 1px solid var(--teal);
  cursor: pointer;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-ghost:hover {
  background: rgba(45,212,191,0.1);
  transform: translateY(-2px);
}

/* ============================
   STATS BAR
   ============================ */
.stats-bar {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-value {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}
.stat-label { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--silver); margin-top: 4px; }

/* ============================
   SECTION COMMON
   ============================ */
.section { padding: 5rem 2rem; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--white);
  margin-bottom: 0.75rem;
}
.section-desc { color: var(--silver); max-width: 560px; margin: 0 auto; }
.divider {
  width: 60px;
  height: 2px;
  background: var(--teal);
  margin: 1.2rem auto 0;
}

/* ============================
   CATEGORIES GRID
   ============================ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.cat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  text-decoration: none;
  display: block;
}
.cat-card:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: 0 12px 40px rgba(45,212,191,0.15);
}
.cat-icon {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
  display: block;
}
.cat-name {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}
.cat-count { font-size: 0.78rem; color: var(--teal); }

/* ============================
   PRODUCT CARDS
   ============================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--teal);
  box-shadow: 0 16px 48px rgba(45,212,191,0.15);
}
.product-img-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg3);
}
.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.product-card:hover .product-img-wrap img { transform: scale(1.05); }
.product-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--muted);
}
.product-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--teal);
  color: var(--bg);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.product-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.product-cat {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.4rem;
}
.product-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.product-desc {
  font-size: 0.82rem;
  color: var(--silver);
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
}
.product-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.product-prices {}
.product-price-usd {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}
.product-price-crc {
  font-size: 0.75rem;
  color: var(--silver);
  margin-top: 2px;
}
.btn-detail {
  background: transparent;
  border: 1px solid var(--teal);
  color: var(--teal);
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-weight: 600;
  white-space: nowrap;
}
.btn-detail:hover { background: var(--teal); color: var(--bg); }

/* ============================
   FILTERS
   ============================ */
.filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  justify-content: center;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--silver);
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--bg);
  font-weight: 600;
}

/* ============================
   MODAL
   ============================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,11,24,0.92);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 680px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.25s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 16px 16px 0 0;
}
.modal-img-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  background: var(--bg3);
  border-radius: 16px 16px 0 0;
}
.modal-body { padding: 2rem; }
.modal-cat { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--teal); margin-bottom: 0.5rem; }
.modal-name { font-family: var(--font-head); font-size: 1.6rem; color: var(--white); margin-bottom: 0.25rem; }
.modal-prices { display: flex; gap: 1rem; align-items: baseline; margin: 1rem 0; }
.modal-usd { font-family: var(--font-head); font-size: 1.8rem; color: var(--teal); font-weight: 700; }
.modal-crc { color: var(--silver); font-size: 0.9rem; }
.modal-desc { color: var(--silver); line-height: 1.7; font-size: 0.9rem; margin-bottom: 1.5rem; }
.modal-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.modal-close-btn {
  position: sticky;
  top: 0;
  float: right;
  background: rgba(13,27,42,0.8);
  border: 1px solid var(--border);
  color: var(--silver);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: color 0.2s, border-color 0.2s;
  margin: 1rem;
}
.modal-close-btn:hover { color: var(--teal); border-color: var(--teal); }

/* ============================
   WHATSAPP FLOAT
   ============================ */
.wa-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background: #25d366;
  color: #fff;
  border-radius: 100px;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.wa-float:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(37,211,102,0.5); }
.wa-float svg { width: 22px; height: 22px; fill: #fff; flex-shrink: 0; }

/* ============================
   CONTACT PAGE
   ============================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 1rem;
}
.contact-info p { color: var(--silver); margin-bottom: 1.5rem; line-height: 1.7; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 1rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
  text-decoration: none;
}
.contact-item:hover { border-color: var(--teal); transform: translateX(4px); }
.contact-item-icon { font-size: 1.5rem; }
.contact-item-text {}
.contact-item-label { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); }
.contact-item-value { color: var(--white); font-size: 0.95rem; font-weight: 500; }

.wa-cta-big {
  background: #25d366;
  color: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}
.wa-cta-big:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(37,211,102,0.45); }
.wa-cta-big svg { width: 40px; height: 40px; fill: #fff; flex-shrink: 0; }
.wa-cta-big-text h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.2rem; }
.wa-cta-big-text p { font-size: 0.85rem; opacity: 0.9; }

.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; }
.contact-form h3 { font-family: var(--font-head); font-size: 1.2rem; color: var(--white); margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--silver); margin-bottom: 0.5rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--teal); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--bg2); }

/* ============================
   FOOTER
   ============================ */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}
.footer-brand h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}
.footer-brand p { color: var(--silver); font-size: 0.85rem; line-height: 1.6; margin-top: 0.75rem; }
.footer-links h4 { font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--teal); margin-bottom: 1rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--silver); font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}
.footer-tagline {
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--teal);
  text-transform: uppercase;
}

/* ============================
   PAGE HEADER (inner pages)
   ============================ */
.page-header {
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(8,145,178,0.08) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--white);
  margin-bottom: 0.5rem;
}
.page-header p { color: var(--silver); max-width: 500px; margin: 0 auto; }

/* ============================
   SEARCH
   ============================ */
.search-bar {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto 2rem;
}
.search-input {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--teal); }
.search-input::placeholder { color: var(--muted); }

/* ============================
   SCROLL ANIMATIONS
   ============================ */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s, transform 0.6s; }
.fade-in.visible { opacity: 1; transform: none; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(5,11,24,0.98);
    backdrop-filter: blur(16px);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
  }
  .hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .stats-bar { gap: 2rem; }
  .hero-logo { width: 100px; height: 100px; }
}