/* ============================================
   PORTELA DESIGN - Estilos CSS
   Diseño moderno, ágil y optimizado
   ============================================ */

/* ---------- Variables CSS ---------- */
:root {
    /* Colores principales */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #ec4899;
    --color-accent: #06b6d4;
    
    /* Colores neutros */
    --color-dark: #0f172a;
    --color-dark-light: #1e293b;
    --color-gray: #64748b;
    --color-gray-light: #94a3b8;
    --color-light: #f1f5f9;
    --color-white: #ffffff;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', var(--font-primary);
    
    /* Tamaños de fuente fluidos */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.4rem + 2.4vw, 3rem);
    --text-4xl: clamp(2.25rem, 1.5rem + 3.75vw, 4rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 5rem);
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgb(99 102 241 / 0.3);
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
    
    /* Header height */
    --header-height: 5rem;
}

/* ---------- Dark Mode (opcional) ---------- */
[data-theme="dark"] {
    --color-dark: #f8fafc;
    --color-dark-light: #e2e8f0;
    --color-white: #0f172a;
    --color-light: #1e293b;
}

/* ---------- Reset y Base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ---------- Utilidades ---------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Botones ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn--outline {
    border: 2px solid var(--color-dark);
    color: var(--color-dark);
}

.btn--outline:hover {
    background: var(--color-dark);
    color: var(--color-white);
}

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

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--small {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-xs);
}

.btn--full {
    width: 100%;
}

/* ---------- Header / Navegación ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.nav__logo {
    display: flex;
    align-items: center;
}

.logo {
    height: 2rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    fill: var(--color-dark);
}

.logo-accent {
    fill: var(--color-primary);
}

.nav__list {
    display: flex;
    gap: var(--space-xl);
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-dark);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.lang-switch {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.lang-switch:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: all var(--transition-base);
}

.nav__close {
    display: none;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-white);
        padding: var(--space-4xl) var(--space-xl);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        z-index: var(--z-modal);
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .nav__link {
        font-size: var(--text-lg);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: var(--space-xl);
        right: var(--space-xl);
        width: 32px;
        height: 32px;
        cursor: pointer;
    }

    .nav__close span {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 24px;
        height: 2px;
        background: var(--color-dark);
    }

    .nav__close span:first-child {
        transform: translate(-50%, -50%) rotate(45deg);
    }

    .nav__close span::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        background: var(--color-dark);
        transform: rotate(90deg);
    }
}

/* ---------- Hero Section ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: var(--gradient-dark);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero__subtitle {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary-light);
    margin-bottom: var(--space-md);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero__description {
    font-size: var(--text-lg);
    color: var(--color-gray-light);
    max-width: 500px;
    margin-bottom: var(--space-xl);
}

.hero__buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero__visual {
    position: relative;
}

.hero__shapes {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
}

.shape--1 {
    width: 300px;
    height: 300px;
    background: var(--color-primary);
    top: 10%;
    right: 20%;
    animation: float 6s ease-in-out infinite;
}

.shape--2 {
    width: 200px;
    height: 200px;
    background: var(--color-secondary);
    bottom: 20%;
    left: 10%;
    animation: float 8s ease-in-out infinite reverse;
}

.shape--3 {
    width: 150px;
    height: 150px;
    background: var(--color-accent);
    top: 40%;
    left: 30%;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero__reel {
    position: relative;
    z-index: 2;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero__reel video {
    width: 100%;
    display: block;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-light);
}

.scroll-indicator {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Hero Responsive */
@media (max-width: 968px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ---------- Section Styles ---------- */
section {
    padding: var(--space-4xl) 0;
}

.section__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section__subtitle {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section__title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

/* ---------- Services Section ---------- */
.services {
    background: var(--color-light);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.service-card__icon svg {
    width: 100%;
    height: 100%;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.service-card__description {
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
}

.service-card__list {
    margin-bottom: var(--space-lg);
}

.service-card__list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-gray);
    font-size: var(--text-sm);
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 8px;
    height: 8px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

.service-card__link:hover {
    gap: var(--space-md);
}

.service-card__link svg {
    width: 20px;
    height: 20px;
}

/* ---------- Portfolio Section ---------- */
.portfolio__filters {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-dark);
    color: var(--color-white);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.portfolio__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.portfolio__item--wide {
    grid-column: span 2;
}

.portfolio__item--tall {
    grid-row: span 2;
}

.portfolio__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio__item--wide .portfolio__image {
    aspect-ratio: 2/1;
}

.portfolio__item--tall .portfolio__image {
    aspect-ratio: 3/4;
}

.portfolio__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio__item:hover .portfolio__image img {
    transform: scale(1.1);
}

.portfolio__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio__item:hover .portfolio__overlay {
    opacity: 1;
}

.portfolio__category {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-light);
    margin-bottom: var(--space-sm);
}

.portfolio__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.portfolio__desc {
    color: var(--color-gray-light);
    font-size: var(--text-sm);
}

.portfolio__link {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    transform: translateY(-20px);
    opacity: 0;
    transition: all var(--transition-base);
}

.portfolio__item:hover .portfolio__link {
    transform: translateY(0);
    opacity: 1;
}

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

.portfolio__link svg {
    width: 24px;
    height: 24px;
}

.portfolio__cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* Portfolio Responsive */
@media (max-width: 968px) {
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio__item--wide {
        grid-column: span 2;
    }

    .portfolio__item--tall {
        grid-row: span 1;
    }

    .portfolio__item--tall .portfolio__image {
        aspect-ratio: 4/3;
    }
}

@media (max-width: 576px) {
    .portfolio__grid {
        grid-template-columns: 1fr;
    }

    .portfolio__item--wide {
        grid-column: span 1;
    }
}

/* ---------- About Section ---------- */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about__content .section__subtitle,
.about__content .section__title {
    text-align: left;
}

.about__text {
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.stat__number::after {
    content: '+';
}

.stat__label {
    font-size: var(--text-sm);
    color: var(--color-gray);
}

.about__images {
    position: relative;
    height: 500px;
}

.about__image {
    position: absolute;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about__image--1 {
    top: 0;
    left: 0;
    width: 70%;
    height: 70%;
}

.about__image--2 {
    bottom: 0;
    right: 0;
    width: 60%;
    height: 50%;
}

/* About Responsive */
@media (max-width: 968px) {
    .about__grid {
        grid-template-columns: 1fr;
    }

    .about__content .section__subtitle,
    .about__content .section__title {
        text-align: center;
    }

    .about__text {
        text-align: center;
    }

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

    .about__images {
        height: 400px;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ---------- Process Section ---------- */
.process {
    background: var(--color-dark);
    color: var(--color-white);
}

.process .section__title {
    color: var(--color-white);
}

.process__timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.process__timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--color-dark-light);
}

.process__step {
    text-align: center;
    position: relative;
}

.process__number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.process__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.process__desc {
    color: var(--color-gray-light);
    font-size: var(--text-sm);
}

/* Process Responsive */
@media (max-width: 768px) {
    .process__timeline {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .process__timeline::before {
        top: 0;
        bottom: 0;
        left: 40px;
        right: auto;
        width: 2px;
        height: auto;
    }

    .process__step {
        display: grid;
        grid-template-columns: 80px 1fr;
        gap: var(--space-lg);
        text-align: left;
    }

    .process__number {
        margin: 0;
    }

    .process__content {
        padding-top: var(--space-md);
    }
}

/* ---------- Testimonials Section ---------- */
.testimonials {
    background: var(--color-light);
}

.testimonials__slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-xl);
}

.testimonial {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.testimonial__text {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--color-dark);
    margin-bottom: var(--space-xl);
    position: relative;
}

.testimonial__text::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--color-primary-light);
    opacity: 0.3;
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial__author img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial__author strong {
    display: block;
    font-weight: 600;
}

.testimonial__author span {
    font-size: var(--text-sm);
    color: var(--color-gray);
}

/* Testimonials Responsive */
@media (max-width: 576px) {
    .testimonials__slider {
        grid-template-columns: 1fr;
    }
}

/* ---------- CTA Section ---------- */
.cta {
    background: var(--gradient-primary);
    text-align: center;
}

.cta__content {
    max-width: 600px;
    margin: 0 auto;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta__text {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
}

/* ---------- Contact Section ---------- */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
}

.contact__info .section__subtitle,
.contact__info .section__title {
    text-align: left;
}

.contact__text {
    color: var(--color-gray);
    margin-bottom: var(--space-2xl);
}

.contact__details {
    margin-bottom: var(--space-2xl);
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact__item svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact__item strong {
    display: block;
    margin-bottom: var(--space-xs);
}

.contact__item a:hover {
    color: var(--color-primary);
}

.contact__social {
    display: flex;
    gap: var(--space-md);
}

.contact__social a {
    width: 44px;
    height: 44px;
    border: 2px solid var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    transition: all var(--transition-fast);
}

.contact__social a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.contact__social svg {
    width: 20px;
    height: 20px;
}

/* Contact Form */
.contact__form {
    background: var(--color-light);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.form__group--full {
    grid-column: span 2;
}

.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--text-base);
    font-family: inherit;
    border: 2px solid var(--color-white);
/* ---------- Skip Link (Accessibility) ---------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
}

/* ---------- Form Inputs (Complete) ---------- */
.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--color-dark);
    background: var(--color-white);
    border: 2px solid var(--color-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-gray-light);
}

.form__input.error,
.form__select.error,
.form__textarea.error {
    border-color: #ef4444;
}

.form__select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: var(--space-3xl);
}

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

.form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-gray);
}

.form__checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form__checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form__checkbox a:hover {
    color: var(--color-primary-dark);
}

/* ---------- Back to Top Button ---------- */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ---------- Cookie Banner (Complete) ---------- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--space-lg) var(--space-xl);
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
    z-index: var(--z-modal);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(100%);
    }
}

.cookie-content p {
    margin: 0;
    font-size: var(--text-sm);
}

.cookie-content a {
    color: var(--color-primary-light);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* ---------- Footer (Complete) ---------- */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.footer__logo svg {
    height: 2rem;
}

.footer__logo .logo-text {
    fill: var(--color-white);
}

.footer__brand p {
    color: var(--color-gray-light);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.footer__social {
    display: flex;
    gap: var(--space-sm);
}

.footer__social a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-dark-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-light);
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

.footer__social svg {
    width: 18px;
    height: 18px;
}

.footer__nav h4 {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.footer__nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__nav a {
    color: var(--color-gray-light);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-dark-light);
    font-size: var(--text-sm);
    color: var(--color-gray-light);
}

.footer__credit {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Footer Responsive */
@media (max-width: 968px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__brand {
        grid-column: span 2;
        max-width: none;
        text-align: center;
    }
    
    .footer__brand p {
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer__social {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__brand {
        grid-column: span 1;
    }
    
    .footer__nav ul {
        align-items: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }
}

/* ---------- Loading Spinner ---------- */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ---------- Focus Styles (Accessibility) ---------- */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .shape {
        animation: none;
    }
}

/* ---------- Print Styles ---------- */
@media print {
    .header,
    .hero__scroll,
    .cookie-banner,
    .back-to-top,
    .nav__toggle,
    .cta,
    .contact__form {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
        background: #fff;
        color: #000;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}
/* ============================================
   PÁGINAS LEGALES Y PROYECTO
   ============================================ */

/* ---------- Page Header ---------- */
.page-header {
    padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
    background: var(--color-light);
}

.page-header__title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.page-header__date {
    color: var(--color-gray);
    font-size: var(--text-sm);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
    margin-bottom: var(--space-lg);
}

.breadcrumb ol {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    font-size: var(--text-sm);
    color: var(--color-gray);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-sm);
    color: var(--color-gray-light);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb--light {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb--light a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb--light a:hover {
    color: var(--color-white);
}

.breadcrumb--light li::after {
    color: rgba(255, 255, 255, 0.4);
}

/* ---------- Legal Content ---------- */
.legal-content {
    padding: var(--space-4xl) 0;
}

.container--narrow {
    max-width: 800px;
}

.legal-content__body h2 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-light);
}

.legal-content__body h2:first-child {
    margin-top: 0;
}

.legal-content__body h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.legal-content__body p {
    margin-bottom: var(--space-lg);
    color: var(--color-gray);
    line-height: 1.8;
}

.legal-content__body ul,
.legal-content__body ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.legal-content__body li {
    margin-bottom: var(--space-sm);
    color: var(--color-gray);
    line-height: 1.7;
}

.legal-content__body a {
    color: var(--color-primary);
    text-decoration: underline;
}

.legal-content__body a:hover {
    color: var(--color-primary-dark);
}

/* ---------- Info Box ---------- */
.info-box {
    background: var(--color-light);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin: var(--space-xl) 0;
}

.info-box h3 {
    font-size: var(--text-lg);
    margin-top: 0;
    margin-bottom: var(--space-md);
    color: var(--color-dark);
}

.info-box ul {
    margin-bottom: 0;
}

.info-box--warning {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
}

.info-box--warning h3 {
    color: #92400e;
}

/* ---------- Legal Table ---------- */
.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
    font-size: var(--text-sm);
}

.legal-table th,
.legal-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-light);
}

.legal-table th {
    background: var(--color-light);
    font-weight: 600;
    color: var(--color-dark);
}

.legal-table td {
    color: var(--color-gray);
}

@media (max-width: 768px) {
    .legal-table {
        display: block;
        overflow-x: auto;
    }
}

/* ---------- Rights Grid ---------- */
.rights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.right-card {
    background: var(--color-light);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
}

.right-card__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    color: var(--color-primary);
}

.right-card__icon svg {
    width: 100%;
    height: 100%;
}

.right-card h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-sm);
}

.right-card p {
    font-size: var(--text-sm);
    color: var(--color-gray);
    margin: 0;
}

/* ---------- Browser List ---------- */
.browser-list {
    list-style: none;
    padding: 0;
}

.browser-list li {
    padding: var(--space-md);
    background: var(--color-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.browser-list a {
    text-decoration: none;
}

.browser-list a:hover {
    text-decoration: underline;
}

/* ---------- Modal ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal__container {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal__container {
    transform: translateY(0);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--color-light);
}

.modal__header h2 {
    font-size: var(--text-xl);
    margin: 0;
}

.modal__close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-light);
}

.modal__close svg {
    width: 20px;
    height: 20px;
}

.modal__body {
    padding: var(--space-xl);
}

.modal__body > p {
    margin-bottom: var(--space-xl);
    color: var(--color-gray);
}

.modal__footer {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-xl);
    border-top: 1px solid var(--color-light);
}

.modal__footer .btn {
    flex: 1;
}

/* ---------- Cookie Option ---------- */
.cookie-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    background: var(--color-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.cookie-option__info h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
}

.cookie-option__info p {
    font-size: var(--text-sm);
    color: var(--color-gray);
    margin: 0;
}

/* ---------- Toggle Switch ---------- */
.toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
    flex-shrink: 0;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle__slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-gray-light);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.toggle__slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 4px;
    bottom: 4px;
    background: var(--color-white);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.toggle input:checked + .toggle__slider {
    background: var(--color-primary);
}

.toggle input:checked + .toggle__slider::before {
    transform: translateX(22px);
}

.toggle--disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* ============================================
   PROJECT PAGE STYLES
   ============================================ */

/* ---------- Project Hero ---------- */
.project-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding-bottom: var(--space-4xl);
}

.project-hero__image {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.project-hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.3) 50%, rgba(15, 23, 42, 0.5) 100%);
    z-index: -1;
}

.project-hero__content {
    color: var(--color-white);
}

.project-hero__category {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary-light);
    margin-bottom: var(--space-md);
}

.project-hero__title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.project-hero__subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.7);
}

.project-hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
}

/* ---------- Project Info ---------- */
.project-info {
    padding: var(--space-4xl) 0;
}

.project-info__grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-4xl);
}

.project-info__main h2 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-lg);
}

.project-info__main h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.project-info__main .lead {
    font-size: var(--text-lg);
    color: var(--color-dark);
    line-height: 1.7;
}

.project-info__main p {
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

/* ---------- Project Meta ---------- */
.project-meta {
    background: var(--color-light);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.project-meta__item {
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.project-meta__item:last-child {
    border-bottom: none;
}

.project-meta__item h4 {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    margin-bottom: var(--space-sm);
}

.project-meta__item p {
    margin: 0;
    font-weight: 500;
}

.project-meta__item ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-meta__item li {
    font-size: var(--text-sm);
    color: var(--color-gray);
    margin-bottom: var(--space-xs);
}

.project-meta__item a {
    color: var(--color-primary);
}

/* ---------- Project Share ---------- */
.project-share {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.project-share h4 {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.share-buttons {
    display: flex;
    gap: var(--space-sm);
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-md);
    color: var(--color-gray);
    transition: all var(--transition-fast);
}

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

.share-btn svg {
    width: 18px;
    height: 18px;
}

/* ---------- Project Gallery ---------- */
.project-gallery {
    padding: var(--space-2xl) 0 var(--space-4xl);
    background: var(--color-light);
}

.gallery-item {
    margin-bottom: var(--space-xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

.gallery-item figcaption {
    padding: var(--space-md);
    background: var(--color-white);
    font-size: var(--text-sm);
    color: var(--color-gray);
    text-align: center;
}

.gallery-item--full {
    margin-bottom: var(--space-xl);
}

.gallery-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.gallery-row--3 {
    grid-template-columns: repeat(3, 1fr);
}

.gallery-row .gallery-item {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .gallery-row,
    .gallery-row--3 {
        grid-template-columns: 1fr;
    }
}

/* ---------- Video Container ---------- */
.gallery-item--video .video-container {
    position: relative;
    background: var(--color-dark);
}

.gallery-item--video video {
    width: 100%;
    display: block;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.video-play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-play-btn svg {
    width: 24px;
    height: 24px;
    margin-left: 4px;
}

/* ---------- Process Steps ---------- */
.project-process {
    padding: var(--space-4xl) 0;
}

.process-steps {
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-4xl);
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-step--reverse {
    direction: rtl;
}

.process-step--reverse > * {
    direction: ltr;
}

.process-step__number {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-light);
    line-height: 1;
}

.process-step__content h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.process-step__content p {
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
}

.process-step__content ul {
    list-style: none;
    padding: 0;
}

.process-step__content li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-gray);
    font-size: var(--text-sm);
}

.process-step__content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.process-step__image {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.process-step__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 968px) {
    .process-step {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .process-step--reverse {
        direction: ltr;
    }
    
    .process-step__number {
        font-size: var(--text-4xl);
    }
    
    .process-step__content ul {
        display: inline-block;
        text-align: left;
    }
    
    .process-step__image {
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ---------- Project Results ---------- */
.project-results {
    padding: var(--space-4xl) 0;
    background: var(--color-dark);
    color: var(--color-white);
}

.project-results .section__title {
    color: var(--color-white);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

.result-card {
    text-align: center;
    padding: var(--space-xl);
}

.result-card__number {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-card__symbol {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-card__label {
    margin-top: var(--space-sm);
    color: var(--color-gray-light);
    font-size: var(--text-sm);
}

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

/* ---------- Project Testimonial ---------- */
.project-testimonial {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    padding: var(--space-2xl);
}

.project-testimonial .quote-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: var(--space-lg);
}

.project-testimonial p {
    font-size: var(--text-xl);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.project-testimonial footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.project-testimonial footer img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
}

.project-testimonial footer strong {
    display: block;
}

.project-testimonial footer span {
    font-size: var(--text-sm);
    color: var(--color-gray-light);
}

/* ---------- Project Navigation ---------- */
.project-navigation {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    border-top: 1px solid var(--color-light);
    border-bottom: 1px solid var(--color-light);
}

.project-nav {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl);
    transition: background var(--transition-fast);
}

.project-nav:hover {
    background: var(--color-light);
}

.project-nav--prev {
    align-items: flex-start;
}

.project-nav--next {
    align-items: flex-end;
    text-align: right;
}

.project-nav--all {
    border-left: 1px solid var(--color-light);
    border-right: 1px solid var(--color-light);
    padding: var(--space-xl);
}

.project-nav--all svg {
    width: 32px;
    height: 32px;
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

.project-nav--all:hover svg {
    color: var(--color-primary);
}

.project-nav__label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-gray);
    margin-bottom: var(--space-sm);
}

.project-nav__label svg {
    width: 16px;
    height: 16px;
}

.project-nav__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
}

@media (max-width: 768px) {
    .project-navigation {
        grid-template-columns: 1fr 1fr;
    }
    
    .project-nav--all {
        grid-column: span 2;
        border-left: none;
        border-right: none;
        border-top: 1px solid var(--color-light);
    }
}

/* ---------- Related Projects ---------- */
.related-projects {
    padding: var(--space-4xl) 0;
}

.related-projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 968px) {
    .related-projects__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .related-projects__grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- Project Info Responsive ---------- */
@media (max-width: 968px) {
    .project-info__grid {
        grid-template-columns: 1fr;
    }
    
    .project-meta {
        position: static;
    }
}

/* ---------- Header Transparent ---------- */
.header--transparent {
    background: transparent;
}

.header--transparent.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.header--transparent:not(.scrolled) .logo-text {
    fill: var(--color-white);
}

.header--transparent:not(.scrolled) .nav__link {
    color: rgba(255, 255, 255, 0.8);
}

.header--transparent:not(.scrolled) .nav__link:hover,
.header--transparent:not(.scrolled) .nav__link.active {
    color: var(--color-white);
}

.header--transparent:not(.scrolled) .lang-switch {
    color: var(--color-white);
    border-color: var(--color-white);
}

.header--transparent:not(.scrolled) .nav__toggle span {
    background: var(--color-white);
}


/* ---------- Section Header Responsive ---------- */
@media (max-width: 576px) {
    .section__header {
        margin-bottom: var(--space-2xl);
    }
    
    .section__title {
        font-size: var(--text-2xl);
    }
    
    .section__subtitle {
        font-size: var(--text-xs);
    }
}

/* ---------- Container Responsive ---------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* ---------- General Section Responsive ---------- */
section {
    padding: var(--space-4xl) 0;
}

@media (max-width: 768px) {
    section {
        padding: var(--space-3xl) 0;
    }
}

@media (max-width: 576px) {
    section {
        padding: var(--space-2xl) 0;
    }
}

/* ============================================
   CONTACT SECTION - RESPONSIVE COMPLETE
   ============================================ */

.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

/* ---------- Contact Grid ---------- */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

@media (max-width: 992px) {
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

/* ---------- Contact Info ---------- */
.contact__info {
    position: relative;
}

.contact__info .section__subtitle {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.contact__info .section__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--space-lg);
}

.contact__text {
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

@media (max-width: 992px) {
    .contact__info {
        text-align: center;
    }
    
    .contact__info .section__subtitle,
    .contact__info .section__title {
        text-align: center;
    }
    
    .contact__text {
        text-align: center;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 576px) {
    .contact__info .section__title {
        font-size: var(--text-2xl);
    }
}

/* ---------- Contact Details ---------- */
.contact__details {
    margin-bottom: var(--space-2xl);
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact__item:last-child {
    margin-bottom: 0;
}

.contact__item svg {
    width: 24px;
    height: 24px;
    min-width: 24px;
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 4px;
}

.contact__item > div {
    flex: 1;
    min-width: 0;
}

.contact__item strong {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
}

.contact__item a,
.contact__item span {
    color: var(--color-gray);
    font-size: var(--text-base);
    word-break: break-word;
    transition: color var(--transition-fast);
}

.contact__item a:hover {
    color: var(--color-primary);
}

@media (max-width: 992px) {
    .contact__details {
        display: inline-flex;
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .contact__item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-sm);
    }
    
    .contact__item svg {
        margin-top: 0;
    }
    
    .contact__details {
        width: 100%;
        align-items: center;
    }
}

/* ---------- Contact Social ---------- */
.contact__social {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.contact__social a {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border: 2px solid var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    transition: all var(--transition-fast);
}

.contact__social a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

.contact__social svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 992px) {
    .contact__social {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .contact__social a {
        width: 48px;
        height: 48px;
        min-width: 48px;
    }
}

/* ---------- Contact Form ---------- */
.contact__form {
    background: var(--color-light);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__group--full {
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    .contact__form {
        grid-template-columns: 1fr;
        padding: var(--space-xl);
    }
    
    .form__group--full {
        grid-column: 1;
    }
}

@media (max-width: 576px) {
    .contact__form {
        padding: var(--space-lg);
        border-radius: var(--radius-lg);
        gap: var(--space-md);
    }
}

/* ---------- Form Elements ---------- */
.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: var(--space-md);
    font-size: 16px; /* Prevents zoom on iOS */
    font-family: inherit;
    color: var(--color-dark);
    background: var(--color-white);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-gray-light);
}

.form__select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    background-size: 20px;
    padding-right: calc(var(--space-md) * 2 + 20px);
}

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

@media (max-width: 576px) {
    .form__input,
    .form__select,
    .form__textarea {
        padding: var(--space-md);
    }
}

/* ---------- Form Checkbox ---------- */
.form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-gray);
    line-height: 1.5;
}

.form__checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    flex-shrink: 0;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form__checkbox span {
    flex: 1;
}

.form__checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form__checkbox a:hover {
    color: var(--color-primary-dark);
}

@media (max-width: 576px) {
    .form__checkbox {
        gap: var(--space-md);
    }
    
    .form__checkbox input[type="checkbox"] {
        width: 22px;
        height: 22px;
        min-width: 22px;
        margin-top: 2px;
    }
}

/* ---------- Form Button ---------- */
.btn--full {
    width: 100%;
    justify-content: center;
}

.contact__form .btn {
    margin-top: var(--space-sm);
}

@media (max-width: 576px) {
    .contact__form .btn {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--text-sm);
    }
    
    .contact__form .btn svg {
        width: 18px;
        height: 18px;
    }
}

/* ---------- Form Error States ---------- */
.form__input.error,
.form__select.error,
.form__textarea.error {
    border-color: #ef4444;
}

.form__error {
    display: block;
    color: #ef4444;
    font-size: var(--text-xs);
    margin-top: var(--space-xs);
}

/* ---------- Section Padding Responsive ---------- */
@media (max-width: 768px) {
    .contact {
        padding: var(--space-3xl) 0;
    }
}

@media (max-width: 576px) {
    .contact {
        padding: var(--space-2xl) 0;
    }
}