:root {
    /* Palette */
    --color-verde-volcan: #039F08;
    --color-verde-acento: #23C501;
    --color-azul-noche: #016A9B;
    --color-azul-sendero: #019AD8;
    --color-blanco: #FFFFFF;
    --color-gris-claro: #F4F6F7;
    /* Slightly cooler gray */
    --color-texto: #333333;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-azul-sendero) 0%, var(--color-azul-noche) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-verde-acento) 0%, var(--color-verde-volcan) 100%);
    --gradient-text: linear-gradient(45deg, var(--color-azul-noche), var(--color-verde-volcan));

    /* Fonts */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 5rem;
    /* Increased for more air */

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-texto);
    background-color: var(--color-blanco);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-azul-noche);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

h1 {
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Layout Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}


.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

/* Components */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    /* Pill shape */
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-blanco);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--color-blanco);
}

.card {
    background: var(--color-blanco);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-lg);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.02);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    height: 50px;
    transition: transform var(--transition-fast);
}

.logo-container:hover .logo-img {
    transform: rotate(-5deg) scale(1.05);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-azul-noche);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-verde-volcan);
}

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--color-azul-noche);
}

/* Hero Section Specifics */
.hero {
    padding-top: 2rem;
    padding-bottom: 6rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}

.hero h3 {
    font-size: 1.5rem;
    color: var(--color-texto);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background-color: var(--color-azul-noche);
    color: var(--color-blanco);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* Animations */
.fade-in {
    gap: var(--spacing-lg);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

/* Components */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    /* Pill shape */
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-blanco);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--color-blanco);
}

.card {
    background: var(--color-blanco);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-lg);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.02);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    height: 50px;
    transition: transform var(--transition-fast);
}

.logo-container:hover .logo-img {
    transform: rotate(-5deg) scale(1.05);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-azul-noche);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-verde-volcan);
}

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--color-azul-noche);
}

/* Hero Section Specifics */
.hero {
    padding-top: 2rem;
    padding-bottom: 6rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}

.hero h3 {
    font-size: 1.5rem;
    color: var(--color-texto);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background-color: var(--color-azul-noche);
    color: var(--color-blanco);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-blanco);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform var(--transition-fast);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

/* Background Patterns */
.bg-nature,
.bg-media {
    position: relative;
    background-color: var(--color-gris-claro);
    overflow: hidden;
}

.bg-nature::before,
.bg-media::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 300px;
    background-repeat: repeat;
    opacity: 0.2;
    mix-blend-mode: multiply;
    pointer-events: none;
    z-index: 0;
}

.bg-nature::before {
    background-image: url('../images/bg-nature.png');
}

.bg-media::before {
    background-image: url('../images/bg-media.png');
}

.bg-nature>.container,
.bg-media>.container {
    position: relative;
    z-index: 1;
}

/* Instagram Icon Link */
.btn-instagram-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-blanco);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
    margin-top: 1rem;
}

.btn-instagram-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--color-verde-volcan);
    transition: var(--transition-fast);
}

.btn-instagram-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-instagram-icon:hover svg {
    fill: var(--color-azul-noche);
}

/* =========================================
   VOLCÁN GEOGRAPHIC 2026 - ESTILOS NUEVOS
   ========================================= */

/* Submenus Navbar */
.has-dropdown {
    position: relative;
}
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-blanco);
    min-width: 230px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.3s ease;
    padding: 10px 0;
    z-index: 100;
    border-top: 3px solid var(--color-verde-volcan);
}
.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown li {
    padding: 0;
}
.dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--color-texto);
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition-fast);
}
.dropdown a:hover {
    background: var(--color-gris-claro);
    color: var(--color-verde-volcan);
    padding-left: 25px;
}
.dropdown a::after {
    display: none; /* Quitar el underline de links normales */
}

@media (max-width: 768px) {
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        border-left: 2px solid var(--color-verde-volcan);
        margin-left: 15px;
        border-top: none;
        padding-top: 0;
        display: none;
    }
    .has-dropdown:hover .dropdown, 
    .has-dropdown.active .dropdown {
        display: block;
    }
}

/* Audio Widget Ambiental */
.audio-widget {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(3, 159, 8, 0.2);
    border-radius: 50px;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
    z-index: 9999;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-azul-noche);
    transition: var(--transition-fast);
    backdrop-filter: blur(8px);
}
.audio-widget:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.18);
    background: var(--color-blanco);
    border-color: var(--color-verde-volcan);
}
.audio-widget svg {
    width: 22px;
    height: 22px;
    fill: var(--color-texto);
    transition: fill 0.3s;
}
.audio-widget.playing svg {
    fill: var(--color-verde-volcan);
    animation: pulseAudio 2s infinite;
}
@keyframes pulseAudio {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* Cinematic Hero Banner */
.hero-cinematic {
    position: relative;
    background-size: cover;
    background-position: center;
    min-height: 85vh;
    display: flex;
    align-items: center;
    color: var(--color-blanco);
}
.hero-cinematic::before {
    content: '';
    position: absolute;
    inset: 0;
    /* Degradado oscuro para que el texto resalte */
    background: linear-gradient(to right, rgba(1, 22, 47, 0.85) 0%, rgba(3, 159, 8, 0.4) 100%);
    z-index: 0;
}
.hero-cinematic .container {
    position: relative;
    z-index: 1;
}
.hero-cinematic h1 {
    color: var(--color-blanco);
    background: none;
    -webkit-text-fill-color: initial;
    text-shadow: 0 4px 20px rgba(0,0,0,0.6);
    font-size: clamp(3rem, 7vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}
.hero-cinematic h3 {
    color: #e0f2fe;
    font-size: clamp(1.2rem, 3vw, 2.2rem);
    font-weight: 500;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    margin-bottom: 1rem;
}
.hero-cinematic p {
    font-size: 1.1rem;
    max-width: 800px;
    margin-bottom: 2rem;
    text-shadow: 0 2px 5px rgba(0,0,0,0.8);
    opacity: 0.95;
    line-height: 1.8;
}

/* Marcadores visuales de Evidencias (Placeholders 2026) */
.evidence-marker {
    background: repeating-linear-gradient(45deg, rgba(3, 159, 8, 0.03), rgba(3, 159, 8, 0.03) 10px, rgba(255, 255, 255, 0.6) 10px, rgba(255, 255, 255, 0.6) 20px);
    border: 2px dashed rgba(3, 159, 8, 0.3);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 12px;
    color: var(--color-azul-noche);
    padding: 2rem;
    opacity: 0.85;
    transition: var(--transition-fast);
}
.evidence-marker:hover {
    opacity: 1;
    background: rgba(3, 159, 8, 0.05);
    border-style: solid;
}
.evidence-marker svg {
    margin-bottom: 10px;
    fill: var(--color-verde-volcan);
    opacity: 0.5;
}
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}
.badge.planeacion { background: #e0f2fe; color: #016A9B; }
.badge.produccion { background: #fef3c7; color: #b45309; }
.badge.activo { background: #dcfce7; color: #039F08; }
.badge.proximamente { background: #f1f5f9; color: #475569; }