/* =========================================
   LR CONGER SAC - Corporate Premium Styles
   ========================================= */

:root {
  /* 🎨 Color System */
  --color-primary: #102D51;
  --color-primary-light: #17407B;
  --color-primary-dark: #081223;
  --color-accent: #CDA93A;
  --color-accent-hover: #B6952E;
  --color-accent-light: rgba(205, 169, 58, 0.14);
  --color-text-main: #11203A;
  --color-text-muted: #5C6B8A;
  --color-text-light: #8A98B1;
  --color-bg-body: #F5F8FC;
  --color-bg-alt: #FFFFFF;
  --color-bg-dark: #09121E;
  --color-border: #D9E0EB;
  --color-surface: #F8FBFF;
  --color-success: #0F9D58;

  /* 🔤 Typography Scale */
  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Montserrat', 'Inter', sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.7;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* 📐 Spacing & Layout */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
  --container-max: 1280px;
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* ☁️ Shadows & Depth */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* ⚡ Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   BASE & RESET
   ========================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-body);
  background-image: radial-gradient(circle at top left, rgba(205,169,58,0.08), transparent 28%),
                    radial-gradient(circle at 80% 10%, rgba(16,45,81,0.06), transparent 20%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin-bottom: var(--spacing-sm); }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb { background: var(--color-text-light); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* =========================================
   UTILITY CLASSES
   ========================================= */
.text-primary-custom { color: var(--color-primary) !important; }
.text-accent { color: var(--color-accent) !important; }
.bg-primary-custom { background-color: var(--color-primary) !important; }
.bg-primary { background-color: var(--color-primary) !important; color: #fff !important; }
.text-primary { color: var(--color-primary) !important; }
.text-white { color: #fff !important; }
.bg-accent { background-color: var(--color-accent) !important; color: var(--color-primary-dark) !important; }
.bg-alt { background-color: var(--color-bg-alt) !important; }
.bg-light { background-color: var(--color-surface) !important; }
.bg-soft { background-color: rgba(16, 45, 81, 0.04) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-center { text-align: center !important; }
.fw-bold { font-weight: var(--font-weight-bold) !important; }
.lead { font-size: 1.05rem; font-weight: 500; color: var(--color-text-main); }
.border-gray { border-color: rgba(16, 45, 81, 0.12) !important; }
.rounded-3 { border-radius: var(--radius-md) !important; }
.rounded-4 { border-radius: var(--radius-lg) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.container {
  width: min(100% - 2rem, var(--container-max));
  margin: 0 auto;
  padding: 0 1rem;
}
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 0;
}
.row > * {
  flex: 1 1 100%;
  min-width: 0;
}
.row-cols-1 { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 1rem; }
.row-cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.row-cols-md-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.row-cols-md-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; }
.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-md-6 { flex: 0 0 calc(50% - 0.75rem); max-width: calc(50% - 0.75rem); }
.col-md-4 { flex: 0 0 calc(33.333% - 1rem); max-width: calc(33.333% - 1rem); }
.col-lg-4 { flex: 0 0 calc(33.333% - 1rem); max-width: calc(33.333% - 1rem); }
.col-lg-5 { flex: 0 0 calc(41.66% - 1rem); max-width: calc(41.66% - 1rem); }
.col-lg-6 { flex: 0 0 calc(50% - 1rem); max-width: calc(50% - 1rem); }
.col-lg-8 { flex: 0 0 calc(66.66% - 1rem); max-width: calc(66.66% - 1rem); }
@media (max-width: 992px) {
  .col-md-6, .col-md-4, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-8 { flex: 0 0 100%; max-width: 100%; }
  .row-cols-md-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.btn {
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base), border var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary-custom {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: var(--color-primary-dark);
  border: 1px solid transparent;
  box-shadow: 0 20px 45px rgba(205, 169, 58, 0.16);
}
.btn-primary-custom:hover {
  background: linear-gradient(135deg, var(--color-accent-hover), #f0d46f);
  color: var(--color-primary-dark);
}
.btn-secondary-custom {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.btn-secondary-custom:hover {
  background: rgba(255, 255, 255, 0.2);
}
.btn-outline-custom {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}
.btn-outline-custom:hover { color: var(--color-accent); border-color: var(--color-accent); background: rgba(255,255,255,0.08); }
.btn-outline-primary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(16, 45, 81, 0.12);
  padding: 0.9rem 1.3rem;
  border-radius: var(--radius-full);
}
.btn-outline-primary:hover,
.btn-outline-primary.active {
  background: rgba(205, 169, 58, 0.12);
  border-color: var(--color-accent);
  color: var(--color-primary-dark);
}
.btn-group { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }
.divider {
  width: 72px; height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  border-radius: var(--radius-full);
  margin: 1rem auto;
}
.section-padding { padding: var(--spacing-2xl) 0; }

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  padding: 1rem 0;
  background: rgba(16, 45, 81, 0.82);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base), border-color var(--transition-base);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  border-color: rgba(16, 45, 81, 0.08);
  padding: 0.65rem 0;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.96);
  padding: 0.32rem 0.65rem;
  border-radius: 1rem;
  box-shadow: 0 12px 28px rgba(16, 45, 81, 0.12);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}
.navbar.scrolled .navbar-brand {
  background: rgba(255,255,255,1);
}
.navbar-brand img {
  height: 48px;
  width: auto;
  display: block;
}
.navbar.scrolled .navbar-brand img { height: 42px; }
.nav-link {
  color: rgba(255, 255, 255, 0.95) !important;
  font-weight: var(--font-weight-semibold);
  padding: 0.5rem 0.95rem !important;
  position: relative;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.navbar.scrolled .nav-link { color: var(--color-primary) !important; }
.nav-link:hover { color: var(--color-accent) !important; transform: translateY(-1px); }
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 50%;
  width: 0; height: 2px; background: var(--color-accent);
  transform: translateX(-50%); transition: width var(--transition-base);
}
.nav-link:hover::after, .nav-link.active::after { width: 70%; }
.navbar-toggler {
  border: 1px solid rgba(255,255,255,0.28);
    padding: 0.65rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), border-color var(--transition-fast);
  }
  .navbar-toggler:hover {
    background: rgba(255, 255, 255, 0.16);
  }
  .navbar-toggler-icon {
    position: relative;
    width: 22px;
    height: 2px;
    background: #fff;
    display: inline-block;
  }
  .navbar-toggler-icon::before,
  .navbar-toggler-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 22px;
    height: 2px;
    background: #fff;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }
  .navbar-toggler-icon::before { top: -7px; }
  .navbar-toggler-icon::after { top: 7px; }
  .navbar.scrolled .navbar-toggler {
    border-color: rgba(16, 45, 81, 0.24);
    background: rgba(255, 255, 255, 0.95);
  }
  .navbar.scrolled .navbar-toggler-icon,
  .navbar.scrolled .navbar-toggler-icon::before,
  .navbar.scrolled .navbar-toggler-icon::after {
    background: var(--color-primary);
  }
  .navbar-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
  }
  .navbar-nav .nav-link {
    transition: color var(--transition-fast), transform var(--transition-fast), letter-spacing var(--transition-fast);
  }

/* =========================================
   HERO SECTION
   ========================================= */
.hero-section {
  background: var(--color-primary);
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 18, 31, 0.85) 0%, rgba(9, 18, 31, 0.88) 55%, rgba(9, 18, 31, 0.92) 100%);
  z-index: 1;
}
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(205, 169, 58, 0.12), transparent 25%),
              radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.06), transparent 24%);
  z-index: 1;
  pointer-events: none;
}
.hero-section .hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}
.hero-section .hero-content h1,
.hero-section .hero-content h2 {
  color: #ffffff;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  text-shadow: 0 22px 50px rgba(0, 0, 0, 0.42);
}
.hero-section .hero-content p {
  color: rgba(255, 255, 255, 0.94);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.95;
}
.hero-section .hero-content .btn {
  color: #ffffff;
}
.hero-section .hero-subtitle {
  color: rgba(255, 255, 255, 0.9);
  max-width: 760px;
  margin: 0 auto 1.75rem;
  line-height: 1.8;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.badge-corporate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(10px);
  margin-bottom: 1.4rem;
}
.hero-section .divider {
  margin: 1.5rem auto;
}
.section-intro {
  max-width: 880px;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.feature-card,
.value-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.feature-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.feature-primary {
  background: linear-gradient(180deg, rgba(27, 79, 142, 0.95), rgba(16, 45, 81, 0.92));
  color: #fff;
  box-shadow: 0 24px 60px rgba(16, 45, 81, 0.16);
}
.feature-light {
  background: #fff;
  border: 1px solid rgba(16, 45, 81, 0.08);
  box-shadow: 0 20px 45px rgba(16, 45, 81, 0.08);
}
.feature-card h3 {
  font-size: clamp(1.75rem, 2.2vw, 2.15rem);
}
.feature-card p,
.value-card p,
.content-block p {
  line-height: 1.9;
}
.card-badge,
.badge-soft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  font-size: 0.82rem;
}
.card-badge {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.badge-soft {
  background: rgba(16, 45, 81, 0.05);
  color: var(--color-primary);
}
.content-block {
  line-height: 1.8;
}
.value-card {
  background: rgba(16, 45, 81, 0.05);
  border: 1px solid rgba(16, 45, 81, 0.08);
}
@media (max-width: 992px) {
  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }
}
.hero-1 { background-image: url('../img/1.jpg'); }
.hero-2 { background-image: url('../img/hero.jpg'); }
.hero-3 { background-image: url('../img/contact.jpg'); }
.page-header {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1rem;
}
.page-header h1 {
  font-size: clamp(2.25rem, 4vw, 3.75rem);
  color: var(--color-primary);
}
.page-header p {
  color: var(--color-text-muted);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn-primary-custom {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semibold);
  padding: 0.95rem 2rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-accent);
  transition: all var(--transition-base);
  position: relative;
}
.btn-primary-custom:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-primary-custom:active { transform: translateY(0); }
.btn-secondary-custom {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.18);
  font-weight: var(--font-weight-medium);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}
.btn-secondary-custom:hover {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.28);
}
.btn-outline-custom {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
  font-weight: var(--font-weight-medium);
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}
.btn-outline-custom:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(255,255,255,0.05);
}

/* =========================================
   CARDS & COMPONENTS
   ========================================= */
.card-obras, .card-custom {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card-obras:hover, .card-custom:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-xl);
  border-color: rgba(212, 175, 55, 0.3);
}
.card-obras img, .card-custom img { width: 100%; height: 220px; object-fit: cover; }

/* =========================================
   FORMS
   ========================================= */
.form-control, .form-select {
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 0.85rem 1rem; transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-color: var(--color-bg-alt);
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-light);
  outline: none; background-color: #fff;
}
label { font-weight: var(--font-weight-medium); margin-bottom: 0.5rem; color: var(--color-text-main); }

/* =========================================
   FOOTER
   ========================================= */
footer {
  background: var(--color-bg-dark); color: var(--color-text-light);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  position: relative; overflow: hidden;
}
footer::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}
footer a:hover { color: var(--color-accent); }

/* =========================================
   ACCESSIBILITY & PERFORMANCE
   ========================================= */
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Responsive Navbar Adjustments */
@media (max-width: 991.98px) {
  .navbar { background: rgba(16, 45, 81, 0.96); }
  .navbar.scrolled { background: rgba(255, 255, 255, 0.98); }
  .nav-link {
    color: rgba(255, 255, 255, 0.95) !important;
    padding: 0.9rem 0 !important;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .navbar.scrolled .nav-link { color: var(--color-primary) !important; border-bottom-color: var(--color-border); }
  .nav-link::after { display: none; }
  .navbar-brand {
    padding: 0.3rem 0.55rem;
  }
  .navbar-toggler { border-color: rgba(255,255,255,0.3); }
}