/* VARIABLES & RESET */
:root {
    /* Colors - Updated per user request */
    --emerald: #009B77;
    /* Verde Esmeralda/Selva */
    --cobalt: #0047AB;
    /* Azul Cobalto */
    --white: #FFFFFF;
    /* Blanco Puro */
    --gray-light: #F8F9FA;
    --gray-text: #4A5568;
    --dark-text: #1A202C;

    --primary: var(--emerald);
    --secondary: var(--cobalt);

    /* Gradients */
    --hero-gradient: linear-gradient(135deg, var(--emerald) 0%, #002244 100%);
    /* Deep Jungle to Dark Cobalt */

    /* Spacing */
    --section-padding: 100px 20px;
    --container-width: 1200px;

    /* Effects */
    --shadow-card: 0 10px 40px rgba(0, 71, 171, 0.1);
    --shadow-hover: 0 20px 50px rgba(0, 155, 119, 0.2);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--white);
    color: var(--dark-text);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* UTILITIES */
.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--section-padding);
}

.text-gradient {
    background: -webkit-linear-gradient(45deg, var(--emerald), var(--cobalt));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    background: rgba(0, 155, 119, 0.1);
    color: var(--emerald);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-block;
    margin-bottom: 20px;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--cobalt);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-text);
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--cobalt);
}

.btn-nav {
    background: var(--cobalt);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 50px;
    transition: transform 0.2s;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 71, 171, 0.3);
}

.menu-toggle {
    display: none;
    color: var(--dark-text);
}

/* HERO SECTION */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--white);
    overflow: hidden;
}

/* Background Abstract Shape */
.hero-bg-shape {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 55%;
    height: 110%;
    background: url('assets/dron1.png') no-repeat center center;
    background-size: cover;
    border-radius: 0 0 0 150px;
    z-index: 0;
    opacity: 1;
    /* Restore full opacity for the image */
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.1);
    /* Add depth */
}

.hero-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-content {
    align-self: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
    font-weight: 800;
    color: var(--dark-text);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: var(--emerald);
    color: var(--white);
    padding: 16px 35px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 155, 119, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 155, 119, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--cobalt);
    padding: 16px 35px;
    border: 2px solid var(--cobalt);
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(0, 71, 171, 0.05);
}

/* CARDS GRID */
/* Ecosystem Section Background */
#ecosystem {
    background: linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.85)),
        url('assets/dron2.png');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    backdrop-filter: blur(8px);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
    /* Reduced from 80px to 50% */
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.section-header p {
    color: var(--gray-text);
    font-size: 1.1rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--emerald), var(--cobalt));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    /* Reduced from 25px */
    color: var(--emerald);
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-icon img {
    width: 100px !important;
    /* Increased from 80px */
    height: 100px !important;
    object-fit: contain !important;
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: var(--cobalt);
}

.card p {
    color: var(--gray-text);
    font-size: 1rem;
}

/* ARCHITECTURE */
.bg-gray {
    background-color: var(--gray-light);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;
}

.arch-feature {
    margin-bottom: 40px;
}

.arch-feature h4 {
    color: var(--cobalt);
    font-size: 1.2rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.arch-feature p {
    color: var(--gray-text);
}

/* BLOCKCHAIN & VISION */
#blockchain,
#vision {
    background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
        url('assets/blockchain.png');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    padding: 60px 20px;
    /* Reduced from default 100px */
}

#vision {
    padding-top: 40px;
    /* Even less top padding for vision to close the gap */
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.check-list li {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--dark-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.blockchain-visual {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    position: relative;
}

/* ODS */
#ods {
    background: linear-gradient(rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.88)),
        url('assets/pilares.png');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
}

.ods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.ods-card {
    padding: 50px 30px;
    border-radius: 15px;
    text-align: center;
    color: var(--white);
    transition: transform 0.3s;
}

.ods-card:hover {
    transform: translateY(-5px);
}

.bg-emerald {
    background: linear-gradient(135deg, var(--emerald), #007a5e);
}

.bg-cobalt {
    background: linear-gradient(135deg, var(--cobalt), #002244);
}

.bg-teal {
    background: linear-gradient(135deg, #0d9488, #115e59);
}

.ods-card h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.ods-card p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* FOOTER */
footer {
    background: var(--dark-text);
    color: var(--white);
    padding: 80px 20px 40px;
    text-align: center;
}

.footer-quote {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 50px;
    font-weight: 300;
    opacity: 0.9;
    font-style: italic;
}

.footer-highlight {
    color: var(--emerald);
    font-weight: 600;
}

/* ANIMATIONS */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

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

@keyframes float {

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

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 968px) {
    .container-width {
        width: 100%;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-bg-shape {
        width: 100%;
        height: 50%;
        top: 0;
        right: 0;
        border-radius: 0 0 50% 50%;
    }

    .hero-content {
        margin-top: 50px;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .split-layout,
    .features-grid,
    .ods-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }

    .hero-bg-shape {
        opacity: 0.1;
    }

    /* Lighter on mobile for text readability if needed */
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
    overflow-y: auto;
    /* Enable vertical scrolling */
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.4s ease;
    max-height: 90vh;
    /* Limit height to 90% of viewport */
    overflow-y: auto;
    /* Enable scrolling within modal */
    margin-bottom: 5%;
    /* Add bottom margin for spacing */
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }

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

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--gray-text);
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--dark-text);
}

.modal-content h2 {
    color: var(--cobalt);
    margin-bottom: 10px;
}

/* FORM STYLES */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-text);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E2E8F0;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--emerald);
    box-shadow: 0 0 0 3px rgba(0, 155, 119, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}