:root {
    /* Colors - Corporate Identity (Delgado y Asociados) */
    /* Based on user screenshot: Vivid Orange buttons, Dark Industrial Backgrounds */
    --bg-dark: #111827;
    /* Very dark grey/blue/black */
    --bg-card: rgba(17, 24, 39, 0.8);
    --primary: #f97316;
    /* Industrial Orange (Safety Orange) - Matches "VER PRODUCTOS" */
    --primary-hover: #ea580c;
    /* Darker Orange for hover */
    --secondary: #334155;
    /* Slate Grey */
    --accent: #f59e0b;
    /* Amber/Gold highlights */
    --brand-navy: #0f172a;
    /* Deep Navy for headers/footer */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --gradient-main: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    /* Orange Gradient */

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 90px;
    --border-radius: 4px;
    /* More angular/industrial look */
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Glassmorphism Utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo a {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 50px;
    /* Reduced to fit better */
    width: auto;
    object-fit: contain;
}

/* 
.logo .highlight {
    color: var(--primary);
} 
*/

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-main);
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 calc((100% - var(--container-width)) / 2);
    padding-top: var(--header-height);
    position: relative;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hero-visual {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-drone {
    width: 100%;
    max-width: 600px;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.5));
    border-radius: 20px;
}

.stats-card {
    position: absolute;
    bottom: -20px;
    left: 0;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    gap: 2rem;
    animation: slideUp 1s ease-out 0.5s backwards;
}

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

.stat .number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat .label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Features */
.features {
    padding: 5rem calc((100% - var(--container-width)) / 2);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.line {
    width: 60px;
    height: 4px;
    background: var(--gradient-main);
    margin: 0 auto;
    border-radius: 2px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* Sectores Industriales */
.sectors-section {
    padding: 5rem calc((100% - var(--container-width)) / 2);
    background: #0b1120;
}

.sector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.sector-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    /* Industrial look */
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.sector-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--primary);
}

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

.sector-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
    border-bottom: 2px solid var(--primary);
    display: inline-block;
    padding-bottom: 0.5rem;
}

.sector-list {
    list-style: none;
    margin-top: 1rem;
}

.sector-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.sector-list li::before {
    content: "➤";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 0.8rem;
    top: 4px;
}

/* Featured Drones */
.featured-drones {
    padding: 5rem calc((100% - var(--container-width)) / 2);
    background: rgba(255, 255, 255, 0.02);
}

.drone-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.drone-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    group-hover: transform 0.3s;
}

.drone-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.drone-card:hover img {
    transform: scale(1.05);
}

.card-content {
    padding: 2rem;
}

.card-content h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.card-content .category {
    color: var(--primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.specs {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.specs li {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.btn-text {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-text:hover {
    gap: 0.75rem;
}

/* Footer */
footer {
    padding: 4rem calc((100% - var(--container-width)) / 2);
    background: #0b1120;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.footer-brand h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--primary);
}

.copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.875rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        padding: 100px 2rem 4rem;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .cta-group {
        justify-content: center;
    }

    .nav-links {
        display: none;
        /* Implement hamburger later for full mobile support */
    }

    .stats-card {
        position: relative;
        bottom: 0;
        margin-top: 2rem;
        justify-content: center;
        width: 100%;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    padding: 0;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    background: linear-gradient(to right, rgba(249, 115, 22, 0.1), transparent);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
    color: var(--primary);
    font-size: 1.8rem;
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.close-modal:hover {
    color: white;
}

.modal-body {
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
}

@media(max-width: 768px) {
    .modal-body {
        grid-template-columns: 1fr;
    }
}

.modal-img {
    width: 100%;
    border-radius: 8px;
    object-fit: cover;
    height: 100%;
    max-height: 300px;
}

.specs-grid-detailed {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.spec-detail-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 6px;
    border-left: 3px solid var(--primary);
}

.spec-detail-item h4 {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-detail-item span {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.download-datasheet-btn {
    display: block;
    width: 100%;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1rem;
    margin-top: 2rem;
    border-radius: 6px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.download-datasheet-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    fill: white;
}