/* ============================================
   ARTEDIF PANAMA - ESTILOS APPLE STYLE
   Diseño minimalista inspirado en Apple.com
   ============================================ */

/* ============================================
   VARIABLES Y ESTILOS GLOBALES
   ============================================ */

:root {
    /* Colores de marca */
    --color-primary: #001F64;        /* azul oscuro usado en logo */
    --color-accent: #F76100;         /* naranja para detalles */
    --color-white: #FFFFFF;          /* primario en fondos */
    --color-text: #001F64;           /* texto principal */
    --color-text-secondary: #6F6F77; /* gris suave */
    --color-gray-light: #F5F5F7;
    --color-gray-medium: #E8E8ED;
    --color-dark: #000000;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Sombras sutiles */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition-fast: 0.15s ease-out;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Accesibilidad: estilos de foco claros para navegación por teclado */
a:focus-visible, .btn:focus-visible, .contact-card:focus-visible {
    outline: 3px solid rgba(0, 31, 100, 0.18);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* Respetar preferencia de reducir movimiento */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   BARRA DE NAVEGACIÓN
   ============================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-medium);
    padding: 1rem 0;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
}

.navbar-logo .logo-img {
    height: 32px;
    width: auto;
}

.navbar-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.navbar-links {
    display: flex;
    gap: var(--spacing-lg);
}

.navbar-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* ============================================
   SECCIÓN HERO
   ============================================ */

.hero-section {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    min-height: 80vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, #002a8c 60%, var(--color-primary) 100%);
    color: var(--color-white);
    overflow: hidden;
}

/* patrón ligero de líneas para hero */
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,0.05) 0,
        rgba(255,255,255,0.05) 1px,
        transparent 1px,
        transparent 20px
    );
    pointer-events: none;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: fadeInLeft 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInRight 0.8s ease-out;
}

.hero-shape {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 24px;
    opacity: 0.1;
    position: relative;
}

.hero-shape::before {
    content: '';
    position: absolute;
    inset: 20px;
    background: linear-gradient(45deg, transparent 30%, var(--color-primary));
    border-radius: 20px;
    opacity: 0.3;
}

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

.btn {
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: var(--radius-lg);
    font-family: 'Inter', inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-smooth);
    letter-spacing: -0.005em;
}

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

.btn-primary:hover {
    background: #e65600; /* slightly darker orange */
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-gray-light);
    color: var(--color-text);
    border: 2px solid var(--color-gray-medium);
}

.btn-secondary:hover {
    background: var(--color-gray-medium);
    border-color: var(--color-text);
}

.btn-secondary:active {
    transform: scale(0.98);
}

/* ============================================
   SECCIÓN CARACTERÍSTICAS
   ============================================ */

.features-section {
    background: var(--color-gray-light);
    padding: var(--spacing-3xl) var(--spacing-lg);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.feature-item {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   SECCIÓN HIGHLIGHT
   ============================================ */

.highlight-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: var(--color-white);
}

.highlight-content {
    max-width: 600px;
}

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

.highlight-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.highlight-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.highlight-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.highlight-list li {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

.highlight-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-box {
    background: var(--color-gray-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-smooth);
}

.stat-box:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
    font-weight: 500;
}

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

.contact-section {
    background: var(--color-gray-light);
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

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

.contact-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #F0F7FF 0%, #F9FBFF 100%);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 500;
}

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

.footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-lg);
    text-align: center;
    font-size: 0.9rem;
}

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Observador de scroll para elementos */
.feature-item {
    animation: slideUp 0.6s ease-out both;
}

.feature-item:nth-child(1) { animation-delay: 0.1s; }
.feature-item:nth-child(2) { animation-delay: 0.2s; }
.feature-item:nth-child(3) { animation-delay: 0.3s; }
.feature-item:nth-child(4) { animation-delay: 0.4s; }

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

@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .hero-visual {
        max-height: 400px;
    }
    
    .highlight-section .section-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 2.5rem;
    }
    
    .navbar-links {
        gap: var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        max-width: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .navbar-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .navbar-logo {
        font-size: 1rem;
    }
    
    .navbar-links {
        gap: var(--spacing-md);
    }
    
    .hero-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .highlight-visual {
        grid-template-columns: 1fr;
    }
}