/* ========================================
   RESET Y VARIABLES
   ======================================== */

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

:root {
    /* Colores principales */
    --color-primary: #074a98;
    --color-primary-dark: #053772;
    --color-secondary: #fc5e01;
    --color-secondary-light: #ff7f33;

    /* Background Tints */
    --color-bg-tint: #f0f6ff;
    /* Very light blue for sections */

    /* Colores neutros */
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-alt: #f3f4f6;
    --color-text: #2d3748;
    --color-text-light: #4a5568;
    --color-text-muted: #718096;
    --color-border: #e2e8f0;

    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Bordes */
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);

    /* Transiciones */
    --transition-fast: 200ms ease;
    --transition-normal: 300ms ease;
}

/* ========================================
   ESTILOS GENERALES
   ======================================== */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   NAVEGACIÓN
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    height: 50px;
    /* Ensure fixed height for navbar stability */
}

.logo-img {
    height: 100%;
    width: auto;
    max-height: 50px;
    object-fit: contain;
}

/* Old logo styles removed/commented out 
.logo-icon { ... }
.logo-text { ... }
*/

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-secondary);
    /* Use orange for hover */
}

.nav-links .nav-cta {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast);
}

.nav-links .nav-cta:hover {
    background-color: var(--color-primary-dark);
    color: white;
}

.nav-cta-mobile {
    display: none;
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
    transition: background-color var(--transition-fast);
}

.nav-cta-mobile:hover {
    background-color: var(--color-primary-dark);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    margin-top: 80px;
    padding: var(--spacing-3xl) 0;
    /* background-color: var(--color-primary); */
    /* background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); */
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: contain;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: linear-gradient(135deg, rgba(7, 74, 152, 0.85) 0%, rgba(5, 55, 114, 0.85) 100%); */
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* Secondary Button for Hero */
.hero .btn-primary {
    background-color: var(--color-secondary);
    color: white;
}

.hero .btn-primary:hover {
    background-color: var(--color-secondary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

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

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

/* ========================================
   SECCIONES GENERALES
   ======================================== */

section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-intro {
    font-size: 1.2rem;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   SECCIÓN PROBLEMA
   ======================================== */

.problema {
    background-color: var(--color-bg-tint);
}

.problema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.problema-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.problema-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.problema-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.problema-card h3 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.problema-card p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   SECCIÓN SOLUCIÓN
   ======================================== */

.solucion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.solucion-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.solucion-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.solucion-icon {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.solucion-card h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.solucion-card p {
    color: var(--color-text-light);
    line-height: 1.6;
}

.solucion-cta {
    margin-top: var(--spacing-1xl);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.solucion-cta-text {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-medium);
}


/* ========================================
   SECCIÓN PROCESO
   ======================================== */

.proceso {
    background-color: var(--color-bg-tint);
}

.proceso-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.proceso-step {
    text-align: center;
    position: relative;
}

.proceso-number {
    width: 64px;
    height: 64px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-md);

    transition:
        transform 0.25s ease,
        background-color 0.25s ease,
        box-shadow 0.25s ease;
}

.proceso-step:hover .proceso-number {
    transform: scale(1.15);
    background-color: var(--color-primary-dark);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}



.proceso-step h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.proceso-step p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   SECCIÓN EJEMPLOS
   ======================================== */

.ejemplos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.ejemplo-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.ejemplo-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.ejemplo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    transition: transform var(--transition-normal);
}

.ejemplo-card:hover .ejemplo-placeholder {
    transform: scale(1.05);
}

.ejemplo-content {
    padding: var(--spacing-lg);
}

.ejemplo-content h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.ejemplo-content p {
    color: var(--color-text-light);
}

/* ========================================
   SECCIÓN QUIÉN
   ======================================== */

.quien {
    background-color: var(--color-bg-alt);
}

.quien-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.quien-image {
    width: 100%;
}


.quien-text h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.quien-text p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

/* ========================================
   SECCIÓN CONTACTO
   ======================================== */

.contacto {
    background-color: var(--color-primary-dark);
    color: white;
}

.contacto .section-title,
.contacto .section-intro {
    color: white;
}

.contacto .section-intro {
    opacity: 0.9;
}

.contacto-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

.contacto-form-wrapper {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.contacto-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form-label-hint {
    display: block;
    font-size: 0.85rem;
    font-weight: var(--font-weight-normal);
    color: var(--color-text-light);
    margin-top: 4px;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contacto-info-item {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contacto-info-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.contacto-info-item h4 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.contacto-info-item p {
    color: var(--color-text-light);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: #0b1120;
    /* Darker than primary for separation */
    color: white;
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo .logo-icon {
    background-color: white;
    color: var(--color-primary);
}

.footer-logo .logo-text {
    color: white;
}

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

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.footer-contact {
    text-align: right;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* ========================================
   ANIMACIONES
   ======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {

    /* Navegación */
    .nav-links {
        display: none;
    }

    .nav-cta-mobile {
        display: block;
    }

    /* Hero */
    .hero {
        padding: var(--spacing-2xl) 0;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    /* Secciones */
    section {
        padding: var(--spacing-2xl) 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-intro {
        font-size: 1rem;
    }

    /* Grids */
    .problema-grid,
    .solucion-grid,
    .proceso-timeline,
    .ejemplos-grid,
    .faq-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* FAQ Grid - ensure single column on mobile */
    .faq-grid {
        grid-template-columns: 1fr !important;
    }

    /* Quién */
    .quien-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .quien-placeholder {
        height: 300px;
    }

    /* Contacto */
    .contacto-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
}

/* ========================================
   FLIP CARD INTERACTION
   ======================================== */

.flip-card {
    background-color: transparent;
    width: 100%;
    height: 400px;
    /* Matches .quien-placeholder height */
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card.is-flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--border-radius-lg);
}

.flip-card-front {
    background-color: transparent;
}

.flip-card-back {
    transform: rotateY(180deg);
    background-color: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ensure placeholder inside takes full size */
.flip-card .quien-placeholder {
    height: 100%;
}

/* hamburger menu styles */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-menu span {
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 250px;
    height: 100vh;
    background-color: white;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease-in-out;
    z-index: 1000;
    padding-top: 80px;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-links li {
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-links a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 1.1rem;
    transition: background-color 0.2s;
}

.mobile-nav-links a:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
}

/* Hamburger active animation */
.hamburger-menu.active span:first-child {
    transform: rotate(45deg);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg);
}

@media (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }
}

/* ========================================
   SECCIÓN FAQ
   ======================================== */

.faq {
    background-color: var(--color-bg-alt);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.faq-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.faq-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.faq-card h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.faq-card p {
    color: var(--color-text-light);
    line-height: 1.6;
}