@import 'variables.css';
@import 'reset.css';

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-lg) 0;
}

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

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

.text-accent {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--color-secondary);
    color: var(--color-secondary);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(0, 196, 255, 0.25);
}

/* -------------------------------------------------------------------------- /
/ HEADER 2030 – NAV FUTURISTA CORPORATIVO /
/ -------------------------------------------------------------------------- */

.header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Línea luminosa sutil debajo del nav */
.header::after {
    content: "";
    display: block;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0.5;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.nav-link {
    position: relative;
    font-weight: 600;
    color: var(--color-dark);
    transition: color .25s;
}

.nav-link::after {
    content: "";
    position: absolute;
    height: 2px;
    width: 0;
    left: 0;
    bottom: -2px;
    background: var(--color-accent);
    transition: width .3s ease;
}

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

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

/* -------------------------------------------------------------------------- /
/ HERO 2030 – MEGATENDENCIAS (impacto, IA, futuro corporativo) /
/ -------------------------------------------------------------------------- */

.hero {
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 20% 30%,
            rgba(0, 180, 255, 0.35),
            rgba(10, 20, 40, 0.95)),
        linear-gradient(135deg, var(--color-primary), var(--color-dark));
    color: var(--color-white);
    padding: calc(var(--spacing-xl) * 1.5) 0;
    text-align: center;
}

/* Líneas de luz tipo “IA 2030” */
.hero::before,
.hero::after {
    content: "";
    position: absolute;
    width: 140%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0.35;
    animation: scan 6s linear infinite;
}

.hero::before {
    top: 20%;
}

.hero::after {
    bottom: 25%;
    animation-delay: 3s;
}

@keyframes scan {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* Contenido optimizado */
.hero-content {
    max-width: 850px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.2rem, 4vw, 4rem);
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 18px rgba(0, 196, 255, 0.25);
}

/* Subtítulo con vibración futurista */
.hero p {
    font-size: 1.3rem;
    opacity: 0.92;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    animation: fadeUp 1.2s ease-out forwards;
    transform: translateY(10px);
    opacity: 0;
}

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

/* Botones más premium */
.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.hero-buttons .btn {
    font-size: 1.1rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(0, 196, 255, 0.25);
}

.hero-buttons .btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

.hero-buttons .btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    transform: translateY(-3px) scale(1.02);
}

/* -------------------------------------------------------------------------- /
/ TITULARES BOLD 2030 /
/ -------------------------------------------------------------------------- */

h2.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    position: relative;
    text-align: center;
}

h2.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    margin: var(--spacing-sm) auto 0;
    border-radius: 5px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border-top: 4px solid var(--color-secondary);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

/* Features/Benefits */
.features {
    background-color: var(--color-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.check-icon {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* CTA Section */
.cta-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    color: var(--color-dark);
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

/* -------------------------------------------------------------------------- /
/ CONTENEDOR GLASS 2030 – PARA SECCIONES CLAVE /
/ -------------------------------------------------------------------------- */

.glass {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 50px var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* Responsive */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        text-align: center;
    }

    .nav-list.active {
        display: flex;
    }
}

/* -------------------------------------------------------------------------- /
/ TITULARES BOLD 2030 /
/ -------------------------------------------------------------------------- */

h2.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    position: relative;
    text-align: center;
}

h2.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    margin: var(--spacing-sm) auto 0;
    border-radius: 5px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border-top: 4px solid var(--color-secondary);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

/* Features/Benefits */
.features {
    background-color: var(--color-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.check-icon {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* CTA Section */
.cta-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    color: var(--color-dark);
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

/* -------------------------------------------------------------------------- /
/ CONTENEDOR GLASS 2030 – PARA SECCIONES CLAVE /
/ -------------------------------------------------------------------------- */

.glass {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 50px var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* Responsive */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        text-align: center;
    }

    .nav-list.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 196, 255, 0.3);
}