/* ===== VARIABLES ===== */
:root {
    --primary-dark: #2D0A4E;  /* Deep Indigo */
    --primary: #6B21A8;        /* Royal Purple */
    --accent: #D946EF;         /* Vibrant Magenta */
    --light-bg: #F5F3FF;       /* Soft Lavender */
    --white: #ffffff;
    --black: #111111;
    --gray: #e0e0e0;
    --transition: all 0.4s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Roboto', sans-serif;
}

body {
    background: var(--light-bg);
    color: var(--black);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== HEADER ===== */
.header {
    background: var(--primary-dark);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}

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

/* Logo (imagen) */
.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 65px;       /* Aumentado para mejor visibilidad */
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--accent);
    bottom: -4px;
    left: 0;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--accent);
}

.nav-menu a:hover::after {
    width: 100%;
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
}

/* ===== HERO ===== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
    /* Imagen de fondo desde Unsplash (paisaje corporativo) */
    background-image: url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--primary-dark);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Gradiente con opacidad usando los colores de la marca */
    background: linear-gradient(135deg, rgba(45,10,78,0.85) 0%, rgba(107,33,168,0.75) 100%);
    /* Animación sutil de opacidad */
    animation: pulseGlow 6s infinite alternate;
    z-index: 1;
}

@keyframes pulseGlow {
    0% { opacity: 0.7; }
    100% { opacity: 0.9; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    padding: 0.9rem 2.2rem;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(217,70,239,0.3);
}

/* ===== SECTIONS ===== */
.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    font-weight: 600;
    color: var(--primary-dark);
}

.section-title::after {
    content: '';
    width: 80px;
    height: 3px;
    background: var(--accent);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-title.light {
    color: var(--white);
}

.section-title.light::after {
    background: var(--accent);
}

.dark-section {
    background: var(--primary-dark);
    color: var(--white);
}

/* ===== CARDS ===== */
.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    width: 280px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.card p {
    font-size: 0.95rem;
    color: #555;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(107,33,168,0.15);
}

.dark-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(5px);
    color: var(--white);
}

.dark-card h3 {
    color: var(--white);
}

.dark-card p {
    color: #ddd;
}

.dark-card i {
    color: var(--accent);
}

/* ===== METHODOLOGY ===== */
.methodology {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.method-item {
    flex: 1 1 200px;
    max-width: 250px;
    text-align: center;
    padding: 1.5rem;
    background: rgba(107,33,168,0.05);
    border-radius: 8px;
    transition: var(--transition);
}

.method-item:hover {
    background: rgba(217,70,239,0.1);
}

.method-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.5;
    margin-bottom: 0.5rem;
}

.method-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.method-item p {
    font-size: 0.9rem;
    color: #666;
}

.dark-section .method-item {
    background: rgba(255,255,255,0.05);
}

.dark-section .method-item h3 {
    color: var(--white);
}

.dark-section .method-item p {
    color: #ccc;
}

/* ===== EMBAJADAS SECTION ===== */
.embassy-content {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    align-items: center;
    justify-content: space-between;
}

.embassy-text {
    flex: 2;
    min-width: 300px;
}

.embassy-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.embassy-stats {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-width: 200px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    line-height: 1.2;
}

.stat-label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

/* ===== CONTACT FORM ===== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(107,33,168,0.2);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-icons a {
    color: var(--white);
    margin-left: 1rem;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    transition: var(--transition);
    z-index: 100;
    text-decoration: none;
}

.whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(37,211,102,0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .logo img {
        height: 50px; /* Más pequeño en móvil */
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .embassy-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}