/* css/layout.css */
/* ===== ESTRUCTURAS BASE CON TEMA ROJO/OSCURO ===== */

:root {
    --primary-red: #8B0000;
    --dark-red: #5A0000;
    --black: #000000;
    --gold: #FFD700;
    --orange: #FFA500;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

/* Body base con tema RT */
body {
    background: radial-gradient(circle at center, var(--primary-red), var(--dark-red), var(--black));
    color: white;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    padding-top: 80px; /* Para navbar fixed */
}

/* Containers */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Secciones */
.section {
    padding: 80px 0;
    position: relative;
}

.section-heading {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 10;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 50%, var(--black) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    filter: brightness(0.8) contrast(1.1) saturate(1.3);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.4) 0%, rgba(90, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(45deg, #FFD700, #FFA500, #FF8C00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
    font-weight: 300;
    line-height: 1.4;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Botones base */
.btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.2));
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 215, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Grid y Flex */
.grid-cards {
    display: grid;
    gap: 2rem;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-column {
    display: flex;
    flex-direction: column;
}

/* Títulos */
.h3 {
    font-size: 2.2rem;
    font-weight: 700;
}

.h4 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Texto */
.text--xl {
    font-size: 1.3rem;
    line-height: 1.6;
}

.text--white-op-70 {
    color: rgba(255, 255, 255, 0.8);
}

.text--white {
    color: white;
}

.text--28 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

/* Margenes */
.m-32 {
    margin-bottom: 32px;
}

/* Separadores */
.curve-seperator {
    width: 80%;
    margin: 20px 0;
    opacity: 0.3;
}

/* Background patterns */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 2px, transparent 2px);
    background-size: 50px 50px;
    z-index: -1;
}

/* Loading */
.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Footer base */
footer {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 40px 0;
    margin-top: 50px;
    position: relative;
    z-index: 1;
    text-align: center;
}

.social-links {
    margin-top: 20px;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #FFD700;
    transform: translateY(-3px);
}

/* ===== NAVBAR - ESTILOS IDÉNTICOS PARA INDEX Y CARDS ===== */

.navbar {
    background: rgba(139, 0, 0, 0.15) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    padding: 15px 0 !important;
    transition: all 0.3s ease;
    will-change: transform, opacity;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.8rem !important;
    color: white !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 10px 20px !important;
    margin: 0 5px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: white !important;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
    color: white !important;
    background: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

/* Dropdown */
.navbar-nav .dropdown-menu {
    background: rgba(0, 0, 0, 0.9) !important;
    backdrop-filter: blur(15px) !important;
    -webkit-backdrop-filter: blur(15px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 10px !important;
    z-index: 1050 !important;
    margin-top: 10px !important;
}

.navbar-nav .dropdown-item {
    color: white !important;
    padding: 10px 20px !important;
    transition: all 0.3s ease;
}

.navbar-nav .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
}

/* Toggler button para móviles */
.navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    padding: 5px 10px !important;
    background: transparent !important;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    width: 1.2em !important;
    height: 1.2em !important;
}

/* Navbar collapse para móviles */
.navbar-collapse {
    background: rgba(139, 0, 0, 0.2) !important;
    backdrop-filter: blur(15px) !important;
    -webkit-backdrop-filter: blur(15px) !important;
    border-radius: 15px;
    margin-top: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}