/* ========================================
   VARIABLES Y CONFIGURACIÓN GLOBAL
   ======================================== */
:root {
    /* Colores - Paleta elegante oscura con dorado */
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #1a1a1a;
    --color-text: #ffffff;
    --color-text-light: #a0a0a0;
    --color-text-muted: #666666;
    --color-accent: #c9a962;
    --color-accent-hover: #e0c278;
    --color-accent-dark: #a08642;
    --color-white: #ffffff;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-light: rgba(255, 255, 255, 0.05);
    
    /* Tipografía */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Bordes */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(201, 169, 98, 0.3);
    
    /* Header */
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Fondo con patrón sutil */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(ellipse at 20% 30%, rgba(201, 169, 98, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(201, 169, 98, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

ul {
    list-style: none;
}

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

::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* ========================================
   UTILIDADES
   ======================================== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    border-radius: 2px;
}

/* ========================================
   BOTONES
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 50px;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-bg);
    border: none;
    box-shadow: 0 4px 15px rgba(201, 169, 98, 0.4);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(201, 169, 98, 0.5);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn--secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

/* ========================================
   HEADER Y NAVEGACIÓN
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 2px;
    transition: all var(--transition-normal);
}

.nav__logo:hover {
    text-shadow: 0 0 20px rgba(201, 169, 98, 0.5);
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    padding: 0;
    z-index: 1001;
}

.nav__toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    transition: all var(--transition-normal);
    transform-origin: center;
    border-radius: 2px;
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

.nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    transition: right var(--transition-slow);
}

.nav__menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(ellipse at 30% 20%, rgba(201, 169, 98, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.nav__menu.active {
    right: 0;
}

.nav__link {
    font-size: 1.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-text);
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all var(--transition-normal);
}

.nav__link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 50px;
    height: 2px;
    background: var(--color-accent);
    transition: transform var(--transition-normal);
}

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

.nav__link:hover::before {
    transform: translateX(-50%) scaleX(1);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

/* Fondo animado del hero */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(201, 169, 98, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 98, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 40%, rgba(201, 169, 98, 0.05) 0%, transparent 30%);
    animation: heroBackground 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes heroBackground {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(2%, 2%) rotate(1deg);
    }
    66% {
        transform: translate(-1%, 1%) rotate(-1deg);
    }
}

/* Círculo decorativo */
.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    border-radius: 50%;
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.1;
    }
}

.hero__content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero__subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 6px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 1s ease 0.2s forwards;
}

.hero__title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 600;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-lg);
    line-height: 1;
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
}

.hero__title-line {
    display: block;
}

.hero__title-line:last-child {
    color: var(--color-accent);
    font-style: italic;
}

.hero__roles {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.hero__role {
    font-size: clamp(0.75rem, 2vw, 1rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    transition: all var(--transition-normal);
}

.hero__role:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.hero__description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    max-width: 650px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.9;
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    opacity: 0;
    animation: fadeInUp 1s ease 1s forwards;
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0;
    animation: fadeIn 1s ease 1.5s forwards;
}

@media (max-width: 768px) {
    .hero__scroll {
        display: none;
    }
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% {
        transform: scaleY(1);
        opacity: 1;
    }
    50% {
        transform: scaleY(0.5);
        opacity: 0.5;
    }
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */
.portfolio {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
    position: relative;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

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

.portfolio__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    background-color: var(--color-bg-card);
    opacity: 0;
    transform: translateY(50px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
    cursor: pointer;
}

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

/* Spinner de carga para portfolio */
.portfolio__item-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 4px solid rgba(201, 169, 98, 0.2);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    z-index: 2;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.portfolio__item.loaded .portfolio__item-spinner {
    opacity: 0;
    pointer-events: none;
}

/* Overlay con gradiente */
.portfolio__item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
}

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

.portfolio__img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform var(--transition-slow), filter var(--transition-normal);
    filter: grayscale(20%);
    opacity: 0;
    transition: opacity 0.3s ease, transform var(--transition-slow), filter var(--transition-normal);
}

.portfolio__item.loaded .portfolio__img {
    opacity: 1;
}

.portfolio__item:hover .portfolio__img {
    transform: scale(1.08);
    filter: grayscale(0%);
}

/* Icono de zoom */
.portfolio__overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.portfolio__overlay svg {
    width: 24px;
    height: 24px;
    fill: var(--color-bg);
}

.portfolio__item:hover .portfolio__overlay {
    transform: translate(-50%, -50%) scale(1);
}

/* ========================================
   MEDIDAS SECTION
   ======================================== */
.medidas {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
    position: relative;
}

.medidas__content {
    max-width: 800px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.medidas__content.visible {
    opacity: 1;
    transform: translateY(0);
}

.medidas__card {
    background: linear-gradient(145deg, var(--color-bg-card), var(--color-bg-alt));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.medidas__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover), var(--color-accent));
}

.medidas__name {
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-accent);
}

.medidas__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.medidas__item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
    position: relative;
}

.medidas__item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--color-accent);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.medidas__item:last-child {
    border-bottom: none;
}

.medidas__item:hover {
    background-color: rgba(201, 169, 98, 0.05);
    padding-left: var(--spacing-lg);
}

.medidas__item:hover::before {
    transform: scaleY(1);
}

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

.medidas__value {
    font-weight: 600;
    color: var(--color-accent);
    font-size: 1.1rem;
}

/* ========================================
   CONTACTO SECTION
   ======================================== */
.contacto {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-alt);
    position: relative;
}

.contacto__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.contacto__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto var(--spacing-xxl);
}

.contacto__card {
    background: linear-gradient(145deg, var(--color-bg-card), var(--color-bg));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.contacto__card.visible {
    opacity: 1;
    transform: translateY(0);
}

.contacto__card:hover {
    border-color: var(--color-accent);
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(201, 169, 98, 0.2);
}

.contacto__card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    border-radius: 50%;
    color: var(--color-bg);
}

.contacto__card-icon svg {
    width: 40px;
    height: 40px;
}

.contacto__card-title {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.contacto__card-text {
    font-size: 1.125rem;
    color: var(--color-text);
    font-weight: 600;
}

/* Social Links */
.social-links {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.social-links.visible {
    opacity: 1;
    transform: translateY(0);
}

.social-links__title {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.social-links__grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(145deg, var(--color-bg-card), var(--color-bg));
    border: 2px solid var(--color-border);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.social-link svg {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-normal);
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50px;
    padding: 2px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 169, 98, 0.3);
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover svg {
    transform: scale(1.1);
}

.social-link--instagram:hover {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
    border-color: transparent;
}

.social-link--tiktok:hover {
    background: #000000;
    color: white;
    border-color: #00f2ea;
}

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

/* Formulario */
.contacto__form {
    background: linear-gradient(145deg, var(--color-bg-card), var(--color-bg));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    position: relative;
}

.contacto__form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover), var(--color-accent));
}

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

.form__label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 1rem var(--spacing-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
    background-color: var(--color-bg-alt);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
}

.form__textarea {
    resize: vertical;
    min-height: 150px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    position: relative;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer__text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

.footer__back-top {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg);
    border-radius: 50%;
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.footer__back-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 169, 98, 0.4);
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10010;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

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

.lightbox__content {
    max-width: 90%;
    max-height: 90%;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.lightbox.active .lightbox__content {
    transform: scale(1);
}

.lightbox__img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.lightbox__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--color-accent);
    border: none;
    border-radius: 50%;
    color: var(--color-bg);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.lightbox__close:hover {
    transform: rotate(90deg);
    background: var(--color-accent-hover);
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(201, 169, 98, 0.3);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.lightbox__nav:hover {
    background: var(--color-accent);
}

.lightbox__prev {
    left: var(--spacing-lg);
}

.lightbox__next {
    right: var(--spacing-lg);
}

/* ========================================
   PORTFOLIO MORE BUTTON
   ======================================== */
.portfolio__more {
    display: flex;
    justify-content: center;
}

.portfolio__more .btn {
    margin-top: 120px;
}

/* ========================================
   MODAL
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.modal__content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    max-height: 85vh;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    overflow-y: auto;
    z-index: 10001;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal__content {
    transform: scale(1);
}

/* Scrollbar personalizada para el modal */
.modal__content::-webkit-scrollbar {
    width: 8px;
}

.modal__content::-webkit-scrollbar-track {
    background: var(--color-bg);
    border-radius: 10px;
}

.modal__content::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 10px;
}

.modal__content::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-dark);
}

.modal__close {
    position: fixed;
    top: 5px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    color: var(--color-text);
    font-size: 1.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    z-index: 10002;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.modal__close:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    transform: rotate(90deg);
}

.modal__title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.modal__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.modal__item {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3/4;
    background-color: var(--color-bg);
}

.modal__item .skeleton-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    display: none;
}

/* Spinner de carga para el modal */
.modal__item-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(201, 169, 98, 0.2);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    z-index: 3;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.modal__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease;
    will-change: opacity;
}

.modal__img.loaded {
    opacity: 1;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.modal__item:hover .modal__img.loaded {
    transform: scale(1.05);
}

.modal__item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal__item:hover::after {
    opacity: 1;
}

/* ========================================
   ANIMACIONES
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   MEDIA QUERIES
   ======================================== */

/* Tablets (768px+) */
@media screen and (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        position: static;
        width: auto;
        height: auto;
        flex-direction: row;
        background-color: transparent;
        gap: var(--spacing-xl);
    }
    
    .nav__menu::before {
        display: none;
    }
    
    .nav__link {
        font-size: 0.8rem;
        letter-spacing: 2px;
        padding: var(--spacing-xs) 0;
    }
    
    .hero__buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio__img {
        height: 400px;
    }
    
    .modal__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .medidas__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .medidas__item:nth-child(odd) {
        border-right: 1px solid var(--color-border-light);
    }
    
    .contacto__content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
        gap: var(--spacing-xxl);
    }
    
    .footer .container {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* Desktop (1024px+) */
@media screen and (min-width: 1024px) {
    .portfolio__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .portfolio__img {
        height: 450px;
    }
    
    .modal__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .medidas__card {
        padding: var(--spacing-xxl);
    }
    
    .contacto__form {
        padding: var(--spacing-xxl);
    }
}

/* Desktop grande (1400px+) */
@media screen and (min-width: 1400px) {
    .portfolio__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .portfolio__img {
        height: 500px;
    }
    
    .modal__grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ========================================
   PREFERENCIAS DE USUARIO
   ======================================== */
@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;
    }
    
    .portfolio__item::before {
        animation: none;
    }
}