/* ============================================
   ORÁN SOLUCIONES - SISTEMA DE DISEÑO
   Versión: 2.0 Profesional
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
    /* === Colores de Fondo === */
    --color-bg-primary: #0B1629;
    --color-bg-secondary: #1A2038;
    --color-bg-tertiary: #0D1A2F;

    /* === Colores de Acento === */
    --color-accent: #1BE4F2;
    --color-accent-dark: #00A3B4;
    --color-accent-glow: rgba(27, 228, 242, 0.4);
    --color-accent-subtle: rgba(27, 228, 242, 0.1);
    --color-accent-border: rgba(27, 228, 242, 0.2);

    /* === Colores de Texto === */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #E0E7FF;
    --color-text-muted: #A3AED0;
    --color-text-dark: #5C677D;

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

    /* === Anchos Máximos === */
    --max-width-content: 80rem;
    --max-width-narrow: 50rem;
    --max-width-text: 42rem;

    /* === Bordes === */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-full: 9999px;

    /* === Sombras === */
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 15px 40px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px var(--color-accent-glow);

    /* === Transiciones === */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.4s ease;
    --transition-slow: 0.8s ease-out;

    /* === Tipografía === */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Grotesk', monospace;

    /* === Z-Index === */
    --z-base: 1;
    --z-content: 10;
    --z-mobile-menu: 99;
    --z-navbar: 100;
    --z-hamburger: 101;
}

/* ============================================
   2. RESET Y BASE
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    background-color: var(--color-bg-primary);
    font-family: var(--font-primary);
    color: var(--color-text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
}

/* Skip link para accesibilidad */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-bg-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-sm);
}

/* ============================================
   3. UTILIDADES
   ============================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   4. CONTENEDOR DE PARTÍCULAS
   ============================================ */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

/* ============================================
   5. NAVBAR
   ============================================ */
.navbar {
    background-color: rgba(11, 22, 41, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    width: 100%;
    z-index: var(--z-navbar);
    top: 0;
    left: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-accent-border);
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    letter-spacing: -0.05em;
    text-decoration: none;
    transition: color var(--transition-fast);
}

@media (min-width: 768px) {
    .nav-logo {
        font-size: 1.75rem;
    }
}

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

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

.nav-links a {
    color: var(--color-text-muted);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
}

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

/* Botón CTA del Nav - oculto en móvil/tablet */
.nav-cta {
    display: none !important;
}

@media (min-width: 1024px) {
    .nav-cta {
        display: inline-block !important;
    }
}

/* ============================================
   6. MENÚ HAMBURGUESA (MÓVIL)
   ============================================ */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    z-index: 10000;
    background: transparent;
    border: none;
    padding: 0;
    position: fixed;
    top: 1rem;
    right: 1.5rem;
}

.hamburger .bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-text-secondary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger.open .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.open .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.hamburger.open .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hamburger abierto - z-index más alto y color diferente */
.hamburger.open {
    z-index: 10001;
}

.hamburger.open .bar {
    background-color: var(--color-accent);
}

/* Menú móvil */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg-primary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
    z-index: 9999;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu a {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.mobile-menu a:hover,
.mobile-menu a:focus {
    color: var(--color-accent);
    transform: scale(1.05);
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

/* ============================================
   7. BOTONES
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-primary);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
    letter-spacing: 0.025em;
    position: relative;
    z-index: var(--z-base);
    border: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.btn-primary {
    color: var(--color-bg-primary);
    background-image: linear-gradient(to right, var(--color-accent), var(--color-accent-dark), var(--color-accent));
    background-size: 200% auto;
    animation: gradient-flow 4s linear infinite;
    box-shadow: 0 4px 15px var(--color-accent-glow);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px var(--color-accent-glow);
}

@keyframes gradient-flow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.btn-secondary {
    color: var(--color-accent);
    background-color: transparent;
    overflow: hidden;
    position: relative;
}

.btn-secondary::before {
    content: '';
    border: 2px solid rgba(255, 255, 255, 0.05);
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background-color: var(--color-bg-primary);
    border-radius: 0.375rem;
    z-index: -1;
    transition: background-color var(--transition-fast);
}

.btn-secondary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 250%;
    height: 250%;
    z-index: -2;
    background: conic-gradient(transparent 0deg,
            transparent 180deg,
            var(--color-accent) 190deg,
            transparent 270deg,
            transparent 360deg);
    animation: rotate-border 4s linear infinite;
}

.btn-secondary:hover {
    transform: scale(1.05);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-secondary:hover::before {
    background-color: var(--color-accent-subtle);
}

@keyframes rotate-border {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ============================================
   8. SECCIÓN HERO
   ============================================ */
.hero-section {
    position: relative;
    z-index: var(--z-content);
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    padding-top: 7rem;
}

@media (min-width: 768px) {
    .hero-section {
        padding-top: 6rem;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width-content);
    margin: 0 auto;
    gap: var(--spacing-sm);
    text-align: center;
}

.hero-text-and-buttons {
    max-width: 36rem;
}

.hero-headline {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1.25rem;
    line-height: 1.25;
}

.hero-headline .mobile-break {
    display: inline;
}

.glow-text {
    color: var(--color-accent);
    animation: pulse-glow 2s infinite alternate ease-in-out;
}

@keyframes pulse-glow {
    0% {
        text-shadow: 0 0 5px var(--color-accent-glow), 0 0 10px rgba(27, 228, 242, 0.2);
    }

    50% {
        text-shadow: 0 0 15px rgba(27, 228, 242, 0.7), 0 0 25px rgba(27, 228, 242, 0.5), 0 0 40px rgba(27, 228, 242, 0.3);
    }

    100% {
        text-shadow: 0 0 5px var(--color-accent-glow), 0 0 10px rgba(27, 228, 242, 0.2);
    }
}

.hero-subheadline {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: var(--max-width-text);
    margin: 0 auto 2.5rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    justify-content: center;
    overflow: hidden;
}

/* Hero responsive */
@media (min-width: 640px) {
    .hero-headline {
        font-size: 3rem;
        line-height: 1;
    }

    .hero-headline .mobile-break {
        display: none;
    }

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

@media (min-width: 768px) {
    .hero-headline {
        font-size: 3rem;
        line-height: 1;
    }

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

@media (min-width: 1024px) {
    .hero-content {
        flex-direction: row;
        gap: var(--spacing-2xl);
        text-align: left;
    }

    .hero-text-and-buttons {
        max-width: 38rem;
        text-align: left;
    }

    .hero-headline {
        line-height: 1;
    }

    .hero-headline .mobile-break {
        display: inline;
    }

    .hero-subheadline {
        margin-left: 0;
        margin-right: 0;
    }

    .hero-buttons {
        justify-content: flex-start;
    }
}

/* ============================================
   9. BLOQUE DE CÓDIGO (HERO VISUAL)
   ============================================ */
.hero-visual-container {
    position: relative;
    max-width: 600px;
    width: 100%;
    margin-top: var(--spacing-2xl);
}

.mockup-container {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }
}

.mockup-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.mockup-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(27, 228, 242, 0.05), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

.code-preview {
    background: var(--color-bg-primary);
    border-radius: 10px;
    padding: 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    overflow: hidden;
    position: relative;
}

.code-line {
    opacity: 0;
    transform: translateX(-20px);
    animation: fadeInLine 0.5s ease-out forwards;
    margin: 0.2rem 0;
    line-height: 1.5;
}

.code-line:nth-child(1) {
    animation-delay: 0.2s;
}

.code-line:nth-child(2) {
    animation-delay: 0.4s;
}

.code-line:nth-child(3) {
    animation-delay: 0.6s;
}

.code-line:nth-child(4) {
    animation-delay: 0.8s;
}

.code-line:nth-child(5) {
    animation-delay: 1s;
}

.code-line:nth-child(6) {
    animation-delay: 1.2s;
}

.code-line:nth-child(7) {
    animation-delay: 1.4s;
}

.code-line:nth-child(8) {
    animation-delay: 1.6s;
}

@keyframes fadeInLine {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Colores de sintaxis */
.tag-bracket {
    color: var(--color-accent);
}

.tag-name {
    color: #8BE9FD;
}

.attribute {
    color: #FFD700;
}

.string {
    color: #9AECDB;
}

.text-content {
    color: var(--color-text-secondary);
}

.comment {
    color: var(--color-text-dark);
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 1.2em;
    background: var(--color-accent);
    margin-left: 3px;
    animation: blink 1s infinite;
    vertical-align: text-bottom;
}

@keyframes blink {

    0%,
    49% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

.glow-effect {
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(27, 228, 242, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
    animation: pulse-bg-glow 8s infinite alternate ease-in-out;
}

@keyframes pulse-bg-glow {
    0% {
        transform: translate(-50%, -50%) scale(0.95);
        opacity: 0.6;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.8;
    }

    100% {
        transform: translate(-50%, -50%) scale(0.95);
        opacity: 0.6;
    }
}

@media (max-width: 1024px) {
    .hero-text-and-buttons {
        order: 1;
    }

    .hero-visual-container {
        margin: 0 auto;
        max-width: 500px;
        order: 2;
        margin-top: var(--spacing-lg);
    }

    .hero-visual-container .mockup-card {
        padding: 1.2rem;
    }

    .code-preview {
        font-size: 0.8rem;
        padding: var(--spacing-sm);
    }
}

@media (max-width: 640px) {
    .code-preview {
        font-size: 0.7rem;
        padding: 0.8rem;
    }

    .mockup-card {
        padding: var(--spacing-sm);
    }
}

/* ============================================
   10. ENCABEZADOS DE SECCIÓN
   ============================================ */
.section-header {
    text-align: center;
    max-width: var(--max-width-text);
    margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 70px;
    height: 3px;
    background-color: var(--color-accent);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ============================================
   11. SECCIÓN SERVICIOS
   ============================================ */
.services-section {
    position: relative;
    z-index: var(--z-content);
    width: 100%;
    padding: var(--spacing-section) var(--spacing-md);
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-accent-border);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.service-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    text-align: left;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(27, 228, 242, 0.4);
}

.service-icon {
    font-size: 2.5rem;
    line-height: 1;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--color-accent-subtle);
    border: 1px solid var(--color-accent-border);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.service-description {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.service-cta {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    display: inline-block;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.service-cta:hover {
    color: var(--color-text-primary);
    transform: translateX(4px);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   12. SECCIÓN METODOLOGÍA (TIMELINE)
   ============================================ */
.how-it-works-section {
    position: relative;
    z-index: var(--z-content);
    width: 100%;
    padding: var(--spacing-section) var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-accent-border);
}

.timeline {
    position: relative;
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background-color: var(--color-accent-border);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 4.5rem;
    margin-bottom: var(--spacing-lg);
}

.timeline-icon {
    position: absolute;
    left: 20px;
    top: 1.5rem;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-accent);
    box-shadow: 0 0 15px var(--color-accent-glow);
    color: var(--color-bg-primary);
    font-size: 1.5rem;
    z-index: var(--z-base);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-item:hover .timeline-icon {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 25px rgba(27, 228, 242, 0.7);
}

.timeline-content {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-content {
    border-color: rgba(27, 228, 242, 0.4);
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin: 0 0 var(--spacing-xs) 0;
}

.timeline-content p {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 640px) {
    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 3.5rem;
    }

    .timeline-icon {
        left: 15px;
        font-size: 1.2rem;
        width: 40px;
        height: 40px;
    }

    .timeline-content {
        padding: 1.2rem var(--spacing-md);
    }
}

/* ============================================
   13. SECCIÓN PROYECTOS
   ============================================ */
.projects-section {
    position: relative;
    z-index: var(--z-content);
    width: 100%;
    padding: var(--spacing-section) var(--spacing-md);
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-accent-border);
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.project-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: rgba(27, 228, 242, 0.5);
    box-shadow: 0 0 30px rgba(27, 228, 242, 0.15), var(--shadow-lg);
}

.project-image-container {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-bg-primary);
}

.project-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.project-card:hover .project-image-container img {
    transform: scale(1.05);
}

.project-content {
    padding: var(--spacing-md);
}

.project-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: var(--border-radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin: var(--spacing-sm) 0;
}

.project-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    display: inline-block;
    transition: color var(--transition-fast);
}

.project-link i {
    font-size: 0.8em;
    margin-left: 0.25rem;
    transition: transform var(--transition-fast);
}

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

.project-card:hover .project-link i {
    transform: translate(2px, -2px);
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   14. SECCIÓN SOBRE NOSOTROS
   ============================================ */
.about-section {
    position: relative;
    z-index: var(--z-content);
    width: 100%;
    padding: var(--spacing-section) var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-accent-border);
}

.about-content {
    max-width: var(--max-width-content);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.about-image-container {
    width: 100%;
    max-width: 450px;
    flex-shrink: 0;
}

.about-image-container img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    background: var(--color-bg-secondary);
}

.about-text-container {
    width: 100%;
    text-align: center;
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.about-text:last-of-type {
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .about-text {
        font-size: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .about-content {
        flex-direction: row;
        gap: 5rem;
    }

    .about-image-container {
        flex-basis: 40%;
        max-width: none;
    }

    .about-text-container {
        flex-basis: 60%;
        text-align: left;
    }

    .about-text-container .section-header {
        text-align: left;
    }

    .about-text-container .section-header h2::after {
        margin-left: 0;
        margin-right: auto;
    }
}

/* ============================================
   15. SECCIÓN CONTACTO
   ============================================ */
.contact-section {
    position: relative;
    z-index: var(--z-content);
    width: 100%;
    padding: var(--spacing-section) var(--spacing-md);
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-accent-border);
}

.contact-content {
    max-width: var(--max-width-content);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.contact-form-container,
.contact-info-container {
    width: 100%;
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-accent-border);
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {

    .contact-form-container,
    .contact-info-container {
        padding: var(--spacing-lg);
    }
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    margin: 0;
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    text-align: left;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text-secondary);
    padding: 0.85rem;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-dark);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%231BE4F2" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.5em;
    cursor: pointer;
}

.form-group select option {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(27, 228, 242, 0.3);
}

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

.contact-form button.btn-primary {
    margin-top: var(--spacing-sm);
    align-self: stretch;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--spacing-xs);
}

/* Columna de Info */
.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    margin: 0;
    width: 100%;
    max-width: 100%;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.info-item:hover {
    border-color: var(--color-accent);
    transform: translateX(4px);
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    background-color: transparent;
    border: none;
    border-radius: 0;
    font-size: 1.5rem;
    color: var(--color-accent);
    flex-shrink: 0;
}

.info-text {
    text-align: left;
}

.info-text h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.info-text p {
    margin: 0;
    font-size: 1rem;
    color: var(--color-text-muted);
}

.whatsapp-link,
.email-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    gap: var(--spacing-sm);
    width: 100%;
}

.whatsapp-link:hover,
.email-link:hover {
    opacity: 0.9;
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1.5fr 1fr;
        gap: 2.5rem;
    }
}

/* ============================================
   16. FOOTER
   ============================================ */
.site-footer {
    position: relative;
    z-index: var(--z-content);
    width: 100%;
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-accent-border);
}

.footer-container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    text-align: center;
}

.footer-branding {
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    letter-spacing: -0.05em;
    margin-bottom: 0.75rem;
}

.footer-slogan {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0 auto;
    max-width: 400px;
}

.footer-social {
    margin-bottom: var(--spacing-lg);
}

.footer-social p {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.75rem;
}

.social-icons a {
    color: var(--color-text-muted);
    font-size: 1.5rem;
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

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

.footer-divider {
    border: none;
    height: 1px;
    background-color: var(--color-accent-border);
    margin: var(--spacing-lg) 0;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-phrase,
.footer-copyright {
    margin: 0;
}

@media (max-width: 380px) {
    .footer-bottom {
        font-size: 0.8rem;
    }
}

/* ============================================
   17. ANIMACIONES DE SCROLL
   ============================================ */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Efecto escalonado para grillas */
.services-grid .reveal-on-scroll:nth-child(2),
.projects-grid .reveal-on-scroll:nth-child(2) {
    transition-delay: 150ms;
}

.services-grid .reveal-on-scroll:nth-child(3),
.projects-grid .reveal-on-scroll:nth-child(3) {
    transition-delay: 300ms;
}

.timeline .reveal-on-scroll:nth-child(2) {
    transition-delay: 150ms;
}

.timeline .reveal-on-scroll:nth-child(3) {
    transition-delay: 300ms;
}

.timeline .reveal-on-scroll:nth-child(4) {
    transition-delay: 450ms;
}

/* ============================================
   18. PREFERS REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .mockup-container {
        animation: none;
    }

    .reveal-on-scroll {
        opacity: 1;
        transform: none;
    }
}