/* ============================================================
   VASOS ECO — Sistema de Diseño Global
   Paleta: Verdes ecológicos + Blanco minimalista
   ============================================================ */

/* --- Variables y tokens de diseño --- */
:root {
  /* Colores principales */
  --color-primary:       #2A7D4F;   /* Verde bosque */
  --color-primary-dark:  #1B5C38;   /* Verde oscuro */
  --color-primary-light: #4CAF78;   /* Verde medio */
  --color-accent:        #8BC34A;   /* Verde lima fresco */
  --color-mint:          #C8E6C9;   /* Menta suave */
  --color-mint-light:    #E8F5E9;   /* Menta muy claro */

  /* Neutros */
  --color-white:         #FFFFFF;
  --color-bg:            #F5FAF6;   /* Fondo crema-verde */
  --color-surface:       #FFFFFF;
  --color-border:        #D4E8D8;
  --color-text:          #1A2E22;   /* Verde-negro */
  --color-text-muted:    #5A7A64;   /* Texto secundario */
  --color-text-light:    #8AA895;

  /* Sombras */
  --shadow-sm:  0 2px 8px rgba(42,125,79,0.10);
  --shadow-md:  0 4px 20px rgba(42,125,79,0.15);
  --shadow-lg:  0 8px 40px rgba(42,125,79,0.20);

  /* Tipografía */
  --font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Playfair Display', 'Georgia', serif;

  /* Espaciado */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  32px;
  --space-xl:  64px;
  --space-2xl: 96px;

  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-med:  0.35s ease;
  --transition-slow: 0.6s ease;

  /* Navbar */
  --navbar-h: 72px;
}

/* --- Reset y base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* --- Tipografía --- */
h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; font-weight: 600; }
p  { font-size: 1rem; color: var(--color-text-muted); }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-sm);
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header p {
  max-width: 560px;
  margin: var(--space-md) auto 0;
  font-size: 1.05rem;
}

/* --- NAVBAR --- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-fast);
}

.navbar.scrolled { box-shadow: var(--shadow-md); }

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.navbar-logo .logo-icon {
  width: 38px; height: 38px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.1rem;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar-nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--color-primary);
  background: var(--color-mint-light);
}

.navbar-cta {
  background: var(--color-primary) !important;
  color: white !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-full) !important;
}
.navbar-cta:hover { background: var(--color-primary-dark) !important; }

/* Hamburger */
.navbar-hamburger {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.navbar-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-med);
}

/* Mobile menu */
.navbar-mobile {
  display: none;
  position: fixed;
  top: var(--navbar-h); left: 0; right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 999;
}
.navbar-mobile.open { display: flex; }
.navbar-mobile a {
  font-size: 1rem; font-weight: 500;
  color: var(--color-text);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

/* --- BOTONES --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-white {
  background: white;
  color: var(--color-primary);
  border-color: white;
}
.btn-white:hover {
  background: var(--color-mint-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- FOOTER --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.footer-brand p { font-size: 0.9rem; margin-top: var(--space-md); opacity: 0.8; }

.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-md);
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  padding: 4px 0;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}
.footer-col a:hover { opacity: 1; color: var(--color-accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  font-size: 0.82rem;
  opacity: 0.6;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-sm);
}

/* --- BOTÓN FLOTANTE WHATSAPP --- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  z-index: 1100;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.60);
}
.whatsapp-float svg { width: 30px; height: 30px; fill: white; }

/* Tooltip */
.whatsapp-float::before {
  content: "¡Chatea con nosotros!";
  position: absolute;
  right: calc(100% + 12px);
  background: #1A2E22;
  color: white;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.whatsapp-float:hover::before { opacity: 1; }

/* --- CARDS GENERALES --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* --- BADGE --- */
.badge {
  display: inline-block;
  background: var(--color-mint);
  color: var(--color-primary-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

/* --- DIVIDER DECORATIVO --- */
.leaf-divider {
  text-align: center;
  padding: var(--space-md) 0;
  color: var(--color-accent);
  font-size: 1.5rem;
  opacity: 0.6;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
}

@media (max-width: 768px) {
  /* Variables */
  :root {
    --space-xl: 48px;
    --space-2xl: 64px;
    --navbar-h: 64px;
  }

  /* Navbar */
  .navbar-nav { display: none; }
  .navbar-hamburger { display: flex; }

  /* Logo — reset márgenes del desktop, tamaño móvil */
  .navbar-logo {
    align-self: center !important;
    margin-top: 0 !important;
    margin-left: 0 !important;
  }
  .navbar-logo img {
    height: 52px !important;
    opacity: 1 !important;
    transition: none !important;
  }
  /* Navbar siempre visible en móvil — no ocultar al hacer scroll */
  .navbar.hidden-on-scroll {
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  .navbar.logo-hidden .navbar-logo img {
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  /* Tipografía */
  h1 { font-size: clamp(1.9rem, 7vw, 2.8rem); }
  h2 { font-size: clamp(1.5rem, 5vw, 2rem); }
  h3 { font-size: 1.2rem; }
  .section-header p { font-size: 0.95rem; }
  .section-label { font-size: 0.7rem; }

  /* Layout */
  .container { padding: 0 20px; }
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 36px; }

  /* Botones */
  .btn { padding: 11px 22px; font-size: 0.88rem; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-actions .btn { text-align: center; justify-content: center; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer-brand p { font-size: 0.85rem; }
  .footer-col { text-align: left; }

  /* WhatsApp */
  .whatsapp-float { bottom: 20px; right: 20px; width: 52px; height: 52px; }
  .whatsapp-float svg { width: 26px; height: 26px; }
  .whatsapp-float::before { display: none; }

  /* Cards */
  .card:hover { transform: none; }

  /* Ticker logos */
  .logo-ticker-wrap { gap: 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .whatsapp-float { bottom: 16px; right: 16px; }
  h2 { font-size: 1.4rem; }
  .btn { padding: 10px 18px; font-size: 0.85rem; }
}