/* ========================================
   Castle Global Solutions - One Page Parallax
   ======================================== */

/* Reset y variables */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-accent: #4299e1;
    --color-accent-dark: #3182ce;
    --color-accent-light: #63b3ed;
    --color-bg: #f5f7fa;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #4a5568;
    --color-border: #e2e8f0;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* ========================================
   Navegación
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 0.75rem 2rem;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 2rem;
    background: rgba(26, 54, 93, 0.98);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 0;
}

.nav-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.brand-text {
    color: var(--color-white);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
}

.nav-link-admin {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-link-admin:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========================================
   Página de Admin
   ======================================== */
.main-content-admin {
    min-height: calc(100vh - 140px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem 1rem;
    margin-top: 70px;
}

.login-section {
    width: 100%;
    max-width: 450px;
}

.form-login {
    max-width: 450px;
}

/* ========================================
   Carrusel / Hero Section
   ======================================== */
.hero-carousel {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.carousel-slides {
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    text-align: center;
    color: var(--color-white);
    padding: 2rem;
    max-width: 800px;
    animation: slideUp 1s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 50%;
    z-index: 10;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 2rem;
}

.carousel-btn.next {
    right: 2rem;
}

.carousel-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--color-white);
    transform: scale(1.2);
}

/* ========================================
   Secciones Generales
   ======================================== */
.section {
    padding: 5rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
    margin: 1rem auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
}

/* ========================================
   Galería de Proyectos
   ======================================== */
.proyectos-section {
    background-color: var(--color-white);
}

.proyectos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.proyecto-card {
    background: var(--color-bg);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.proyecto-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.proyecto-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-white);
}

.proyecto-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.proyecto-desc {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.proyecto-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.proyecto-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
}

.proyecto-link:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

/* ========================================
   Parallax Section
   ======================================== */
.parallax-section {
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.9), rgba(44, 82, 130, 0.85)),
                url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1920&q=80');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    padding: 6rem 2rem;
    text-align: center;
}

.parallax-content {
    max-width: 800px;
    margin: 0 auto;
}

.parallax-title {
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: 1rem;
    font-weight: 700;
}

.parallax-text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 2px;
}

/* ========================================
   ¿Quiénes Somos?
   ======================================== */
.quienes-somos-section {
    background-color: var(--color-bg);
}

.quienes-somos-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.quienes-somos-text p {
    margin-bottom: 1.25rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.lead-text {
    font-size: 1.125rem;
    color: var(--color-text);
}

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

.quienes-somos-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.stat-card i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

/* ========================================
   Contacto
   ======================================== */
.contacto-section {
    background-color: var(--color-white);
}

.contacto-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contacto-info {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 2.5rem;
    border-radius: 12px;
    color: var(--color-white);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--color-accent-light);
    margin-top: 0.25rem;
}

.info-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.info-item p {
    color: rgba(255, 255, 255, 0.9);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.form {
    background: var(--color-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.input,
.textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--color-white);
}

.input:focus,
.textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(66, 153, 225, 0.15);
}

.input::placeholder,
.textarea::placeholder {
    color: #a0aec0;
}

.textarea {
    resize: vertical;
    min-height: 140px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.button-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
}

.button-primary:hover {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(66, 153, 225, 0.4);
}

.button-primary:active {
    transform: translateY(0);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 2rem;
}

.footer-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
    .quienes-somos-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contacto-wrapper {
        grid-template-columns: 1fr;
    }

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

    .hero-subtitle {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 1rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-primary);
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
        display: none;
        box-shadow: var(--shadow-md);
    }

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

    .nav-link {
        display: block;
        padding: 0.75rem 1rem;
    }

    .proyectos-grid {
        grid-template-columns: 1fr;
    }

    .quienes-somos-stats {
        grid-template-columns: 1fr 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .carousel-btn {
        padding: 0.75rem 1rem;
        font-size: 1.5rem;
    }

    .carousel-btn.prev {
        left: 1rem;
    }

    .carousel-btn.next {
        right: 1rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .parallax-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 576px) {
    .nav-brand .brand-text {
        display: none;
    }

    .nav-logo {
        height: 45px;
    }

    .quienes-somos-stats {
        grid-template-columns: 1fr;
    }

    .form {
        padding: 1.5rem;
    }

    .contacto-info {
        padding: 1.5rem;
    }
}