:root {
    --bg-color: #050b18;
    --bg-elevated: #0a192f;
    --text-primary: #e6f1ff;
    --text-secondary: #8892b0;
    --accent-cyan: #64ffda;
    --accent-cyan-soft: #4cdbb9;
    --accent-green: #39ff14;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(9, 18, 33, 0.85);
    --nav-height: 72px;
    --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Utilities */
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 96px 0;
}

h1,
h2,
h3 {
    color: var(--text-primary);
    font-weight: 700;
}

.section-kicker {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    color: var(--accent-cyan);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 24px;
    position: relative;
    text-align: center;
}

.section-title-left {
    text-align: left;
}

.section-title::after {
    content: '';
    display: block;
    width: 56px;
    height: 3px;
    background-color: var(--accent-cyan);
    margin: 14px auto 0;
}

.section-title-left::after {
    margin-left: 0;
}

.section-subtitle {
    max-width: 680px;
    margin: 0 auto 36px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.98rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 24px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.94rem;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background-color: transparent;
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-primary:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-1px);
}

.btn-cta {
    background-color: var(--accent-cyan);
    color: var(--bg-color);
    border: none;
    box-shadow: 0 6px 22px rgba(100, 255, 218, 0.28);
}

.btn-cta:hover {
    background-color: var(--accent-cyan-soft);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.38);
}

.btn-outline {
    border: 1px solid rgba(230, 241, 255, 0.4);
    color: var(--text-primary);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.04);
    transform: translateY(-2px);
}

/* Header / Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 11, 24, 0.96);
    backdrop-filter: blur(12px);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-cyan);
    text-decoration: none;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.logo span {
    color: var(--text-primary);
}

.main-nav {
    display: flex;
    align-items: center;
    position: relative;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    color: var(--accent-cyan);
    font-size: 1.6rem;
    background: none;
    border: none;
    cursor: pointer;
    margin-left: 12px;
}

/* Hero */
#hero {
    position: relative;
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: 72px 0 96px;
}

/* .hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 10% 0%, rgba(100, 255, 218, 0.18) 0, transparent 45%),
        radial-gradient(circle at 90% 100%, rgba(100, 255, 218, 0.12) 0, transparent 50%),
        url("../img/hero-baires-cordoba-ia.jpg");
    background-size: auto, auto, cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: saturate(1.05);
    z-index: -2;
} */

.hero-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    opacity: 0.85;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(5, 11, 24, 0.32) 0%, rgba(5, 11, 24, 0.94) 70%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    padding: 0 20px;
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.78rem;
    color: var(--accent-cyan);
    margin-bottom: 14px;
}

.hero-content h1 {
    font-size: 3.1rem;
    margin-bottom: 18px;
    line-height: 1.1;
    background: linear-gradient(95deg, #ffffff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h2 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 32px;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Trust Bar */
#trust-bar {
    padding: 32px 0;
    background-color: #050b18;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.trust-text {
    text-align: center;
    font-size: 0.76rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
}

.logos-grid {
    display: flex;
    justify-content: center;
    gap: 36px;
    flex-wrap: wrap;
    align-items: center;
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.7;
    transition: var(--transition);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.logo-item img {
    height: 26px;
    width: auto;
    display: block;
    filter: grayscale(1) contrast(1.1);
    opacity: 0.8;
}

.logo-item:hover {
    opacity: 1;
    color: var(--accent-cyan);
}

/* Services / Sectores */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.service-card {
    background: linear-gradient(145deg, rgba(10, 25, 47, 0.96), rgba(10, 25, 47, 0.88));
    border: 1px solid var(--border-subtle);
    padding: 26px 24px 28px;
    border-radius: 14px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle at top right, rgba(100, 255, 218, 0.2), transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

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

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(100, 255, 218, 0.4);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6);
}

.card-badge {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid rgba(136, 146, 176, 0.5);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.card-lead {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: var(--text-secondary);
    margin-bottom: 9px;
    padding-left: 18px;
    position: relative;
    font-size: 0.9rem;
}

.service-card li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-size: 0.9rem;
}

/* Omnipresencia */
#omnipresencia {
    background: radial-gradient(circle at top, #0a192f 0%, #050b18 80%);
}

.omni-container {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
}

.omni-text p {
    font-size: 0.97rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.omni-list {
    list-style: none;
    margin-top: 10px;
}

.omni-list li {
    position: relative;
    padding-left: 18px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.omni-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
}

.map-visual {
    width: 100%;
    min-height: 260px;
    background: radial-gradient(circle at top, rgba(100, 255, 218, 0.1), transparent 55%),
        radial-gradient(circle at bottom, rgba(100, 255, 218, 0.06), transparent 60%);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.map-point {
    width: 10px;
    height: 10px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    position: absolute;
    box-shadow: 0 0 18px rgba(100, 255, 218, 0.9);
}

.point-madrid {
    top: 28%;
    right: 26%;
}

.point-bsas {
    bottom: 24%;
    left: 30%;
}

.point-cba {
    bottom: 30%;
    left: 36%;
}

.map-line {
    position: absolute;
    width: 52%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(100, 255, 218, 0.85), transparent);
    transform: rotate(18deg);
    opacity: 0.4;
}

.map-label {
    position: absolute;
    bottom: 14px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

/* Contact / Form */
#contacto {
    background: radial-gradient(circle at top, #0c1b33 0%, #050b18 75%);
}

.contact-form {
    background: var(--glass-bg);
    padding: 30px 26px 26px;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
    max-width: 780px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 22px;
    margin-bottom: 18px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 0.83rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    background-color: rgba(4, 9, 18, 0.9);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control::placeholder {
    color: rgba(136, 146, 176, 0.6);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 1px rgba(100, 255, 218, 0.5);
}

textarea.form-control {
    resize: vertical;
    min-height: 110px;
}

.submit-btn {
    width: 100%;
    padding: 13px;
    font-size: 1rem;
    background-color: var(--accent-cyan);
    color: var(--bg-color);
    border: none;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 6px;
}

.submit-btn:hover {
    background-color: var(--accent-cyan-soft);
    box-shadow: 0 0 26px rgba(100, 255, 218, 0.5);
    transform: translateY(-1px);
}

.form-footnote {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Footer */
.site-footer {
    padding: 30px 0 32px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.82rem;
    border-top: 1px solid var(--border-subtle);
    background-color: #050b18;
}

.footer-links {
    margin-top: 14px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 10px;
    transition: var(--transition);
    font-size: 0.8rem;
}

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

/* Animations */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .omni-container {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    }
}

@media (max-width: 768px) {
    .site-header {
        height: auto;
        padding: 8px 0;
    }

    #hero {
        padding-top: 90px;
    }

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

    .hero-content h2 {
        font-size: 0.93rem;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        flex-direction: column;
        align-items: flex-start;
        background-color: rgba(5, 11, 24, 0.98);
        padding: 12px 20px 14px;
        border-bottom: 1px solid var(--border-subtle);
        display: none;
    }

    .nav-links li {
        width: 100%;
        margin-bottom: 4px;
    }

    .nav-links a {
        display: block;
        padding: 6px 0;
    }

    .nav-links.nav-open {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .services-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .omni-container {
        grid-template-columns: minmax(0, 1fr);
    }

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

    .contact-form {
        padding: 22px 18px 18px;
    }

    .form-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    section {
        padding: 80px 0;
    }
}