/* Reset y variables */
:root {
    --color-primary: #1a1a1a;
    --color-secondary: #4a4a4a;
    --color-accent: #6b46c1;
    --color-accent-secondary: #d4af37;
    --color-text: #1a1a1a;
    --color-text-light: #4a4a4a;
    --color-bg: #ffffff;
    --color-bg-light: #f8f8f8;
    --color-border: #e0e0e0;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.2s ease;
}

/* Dark mode variables */
[data-theme="dark"] {
    --color-primary: #f5f5f5;
    --color-secondary: #b0b0b0;
    --color-accent: #a78bfa;
    --color-accent-secondary: #fbbf24;
    --color-text: #f5f5f5;
    --color-text-light: #b0b0b0;
    --color-bg: #0a0a0a;
    --color-bg-light: #1a1a1a;
    --color-border: #2a2a2a;
}

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

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 {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background-color: var(--color-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    padding: var(--spacing-sm) 0;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

[data-theme="dark"] .header {
    background-color: rgba(26, 26, 26, 0.95);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-primary);
    font-size: 1.25rem;
    transition: var(--transition);
    border-radius: 4px;
}

.theme-toggle:hover {
    background-color: var(--color-bg-light);
    color: var(--color-accent);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav {
    display: flex;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-bg);
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease, background-color 0.2s ease;
    z-index: 100;
}

[data-theme="dark"] .nav {
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.5);
}

.nav.active {
    right: 0;
}

.nav-link {
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.nav-link::after {
    display: none;
}

.nav-cta {
    margin-top: 1rem;
    text-align: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

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

.nav-cta {
    padding: 0.5rem 1rem;
    background-color: var(--color-accent);
    color: white;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-cta:hover {
    background-color: var(--color-accent-secondary);
    color: white;
}

[data-theme="dark"] .nav-cta {
    background-color: var(--color-accent);
    color: white;
}

[data-theme="dark"] .nav-cta:hover {
    background-color: var(--color-accent-secondary);
}

.nav-cta::after {
    display: none;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) var(--spacing-sm) var(--spacing-lg);
    text-align: center;
}

.hero-headline {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-family);
}

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

.btn-primary:hover {
    background-color: var(--color-accent-secondary);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-primary {
    background-color: var(--color-accent);
    color: white;
}

[data-theme="dark"] .btn-primary:hover {
    background-color: var(--color-accent-secondary);
}

/* Section Styles */
section {
    padding: var(--spacing-lg) var(--spacing-sm);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    letter-spacing: -0.02em;
}

/* Servicios Section */
.servicios {
    background-color: var(--color-bg-light);
}

.servicios-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.servicio-card {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.servicio-card:hover {
    border-color: var(--color-accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .servicio-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.servicio-icon {
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.servicio-icon i {
    font-size: 2rem;
}

.servicio-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.servicio-description {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Cómo trabajamos Section */
.trabajo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.trabajo-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.trabajo-item:last-child {
    border-bottom: none;
}

.trabajo-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.trabajo-description {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Sobre SIRAC Section */
.sobre-nosotros {
    background-color: var(--color-bg-light);
}

.sobre-content {
    max-width: 700px;
    margin: 0 auto;
}

.sobre-text {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.sobre-text:last-child {
    margin-bottom: 0;
}

/* Contacto Section */
.contacto-content {
    max-width: 600px;
    margin: 0 auto;
}

.contacto-intro {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 1.05rem;
}

.contacto-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
    font-family: var(--font-family);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-textarea:focus {
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.contacto-alternativo {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: 8px;
}

.contacto-alternativo p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.contacto-email {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
}

.contacto-email:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Footer */
.footer {
    padding: var(--spacing-md) var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-light);
}

.footer-text {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Tablet Styles */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .menu-toggle {
        display: none;
    }

    .nav {
        display: flex;
        position: static;
        width: auto;
        height: auto;
        background-color: transparent;
        flex-direction: row;
        gap: var(--spacing-md);
        align-items: center;
        padding: 0;
        box-shadow: none;
        right: auto;
    }

    .nav-link {
        width: auto;
        padding: 0;
        border-bottom: none;
    }

    .nav-link::after {
        display: block;
    }

    .nav-cta {
        margin-top: 0;
        padding: 0.625rem 1.5rem;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .servicios-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trabajo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .trabajo-item {
        border-bottom: none;
        padding: 0;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .hero {
        padding: var(--spacing-xl) var(--spacing-sm) calc(var(--spacing-xl) + var(--spacing-md));
    }

    .hero-headline {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

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

    .servicios-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }

    .servicio-card {
        padding: var(--spacing-lg);
    }

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