/* ==========================================================================
   RIOAZA MULTISERVICIOS - ULTRA CORPORATIVO (styles.css)
   ========================================================================== */

/* --- 1. VARIABLES GLOBALES Y RESET --- */
:root {
  --color-primary: #0A192F;      /* Azul marino ultra corporativo */
  --color-secondary: #0F172A;    /* Pizarra profundo */
  --color-accent: #F97316;       /* Naranja industrial de acción */
  --color-brand-green: #84CC16;  /* Verde institucional Rioaza */
  --color-text-main: #1E293B;    /* Texto principal de alta legibilidad */
  --color-muted: #64748B;        /* Texto secundario / gris corporativo */
  --color-border: #E2E8F0;       /* Bordes ultra finos */
  --color-bg-light: #F8FAFC;     /* Fondo suave alterno */
  --color-white: #FFFFFF;
  --font-heading: 'Fustat', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  outline: none;
}

.fustat { font-family: var(--font-heading); }
.schib { font-family: 'Schibsted Grotesk', 'Inter', sans-serif; text-transform: uppercase; letter-spacing: 0.04em; }

/* --- 2. CONTENEDORES Y BOTONES --- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-py {
  padding: 88px 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-accent);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.2);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* --- 3. NAVEGACIÓN --- */
.nav-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.nav-brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-primary);
  line-height: 1;
}

.nav-brand-sub {
  font-size: 9px;
  color: var(--color-muted);
  font-weight: 600;
  margin-top: 3px;
}

.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link-item {
  font-size: 14px;
  font-weight: 500;
  color: #334155;
}

.nav-link-item:hover {
  color: var(--color-primary);
}

.hamburger-btn {
  display: none;
  padding: 8px;
  color: var(--color-primary);
}

.mobile-menu-drawer {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 20px 24px;
  background: #ffffff;
  border-top: 1px solid var(--color-border);
}

.mobile-menu-drawer.is-open {
  display: flex;
}

/* --- 4. HERO ULTRA CORPORATIVO --- */
.hero-section {
  position: relative;
  background: var(--color-primary);
  color: #ffffff;
  overflow: hidden;
}

.hero-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 110px 24px 90px;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: center;
}

.hero-badge-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-brand-green);
}

.hero-title {
  margin: 24px 0 0;
  font-weight: 800;
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: -1.8px;
}

.hero-title span {
  color: var(--color-brand-green);
}

.hero-subtitle {
  margin: 22px 0 0;
  max-width: 520px;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
}

.hero-media-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Animación sutil de espera en los placeholders */
@keyframes pulsePlaceholder {
  0%, 100% {
    opacity: 1;
    border-color: rgba(148, 163, 184, 0.3);
  }
  50% {
    opacity: 0.85;
    border-color: rgba(132, 204, 22, 0.5);
  }
}

.hero-image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: radial-gradient(circle at center, rgba(30, 41, 59, 0.8) 0%, rgba(10, 25, 47, 0.95) 100%);
  border: 2px dashed rgba(148, 163, 184, 0.3);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 28px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  animation: pulsePlaceholder 4s ease-in-out infinite;
}

.hero-image-placeholder svg {
  color: var(--color-brand-green);
}

/* --- 5. CINTILLO DE MARCAS --- */
.brands-strip {
  background: #ffffff;
  padding: 36px 24px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.brands-flex {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 36px;
  filter: grayscale(1);
  opacity: 0.65;
}

/* --- 6. SOLUCIONES CORPORATIVAS (3 PILARES) --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.card-solution {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.04);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card-solution:hover {
  border-color: #CBD5E1;
  transform: translateY(-2px);
}

/* --- 7. BASE DE SUMINISTRO (UBICACIÓN ESTRATÉGICA) --- */
.location-panel {
  background: var(--color-secondary);
  color: #ffffff;
  border-radius: 20px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.location-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #020617;
  border: 2px dashed rgba(148, 163, 184, 0.3);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #94A3B8;
  gap: 10px;
  text-align: center;
  padding: 20px;
}

/* --- 8. LÍNEAS DE SUMINISTRO FRECUENTE (3 COLUMNAS SIMÉTRICAS) --- */
.supply-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}

.supply-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.04);
}

.supply-img-wrap {
  aspect-ratio: 4 / 3;
  background: #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 500;
}

.supply-body {
  padding: 24px;
}

/* --- 9. FORMULARIO DE CONTACTO Y RETROALIMENTACIÓN --- */
.contact-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: start;
}

.form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.06);
  padding: 40px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.form-label {
  display: block;
}

.form-label span {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: #334155;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid #CBD5E1;
  border-radius: 10px;
  font-size: 14px;
  color: var(--color-text-main);
  background: #ffffff;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  border-color: var(--color-primary);
}

.turnstile-wrapper {
  min-height: 65px;
  margin: 18px 0 8px;
}

.form-notice {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 12px;
  line-height: 1.5;
}

.form-feedback {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
}

.form-feedback.is-success {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #166534;
}

.form-feedback.is-warning {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: #FFF7ED;
  border: 1px solid #FED7AA;
  color: #9A3412;
}

.form-feedback.is-error {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
}

.form-feedback svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

/* --- 10. FOOTER --- */
.site-footer {
  background: #020617;
  color: #94A3B8;
  padding: 56px 24px 32px;
  border-top: 1px solid #1E293B;
}

/* --- 11. REGLAS RESPONSIVAS CENTRALIZADAS (MEDIA QUERIES) --- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    padding: 80px 24px 60px;
  }
  .hero-title { font-size: 46px; }
  .solutions-grid { grid-template-columns: 1fr; }
  .supply-grid-3 { grid-template-columns: 1fr; }
  .location-panel { grid-template-columns: 1fr; padding: 32px; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links-desktop, .nav-cta-wrapper { display: none; }
  .hamburger-btn { display: inline-flex; }
  .hero-title { font-size: 34px; letter-spacing: -1px; }
  .hero-media-wrapper { display: none; } /* Oculta placeholder en móviles */
  .form-grid-2 { grid-template-columns: 1fr; }
  .section-py { padding: 60px 0; }
}