/* ===== VARIABLES CSS - RiverRed Theme ===== */
:root {
    /* Colores principales - Basados en el logo */
    --color-primary: #1a2744;
    --color-primary-dark: #0f1829;
    --color-primary-light: #2a3a5c;
    --color-red: #c41e3a;
    --color-red-dark: #9a1830;
    --color-red-light: #e63950;

    /* Colores de fondo */
    --color-bg-primary: #0f1829;
    --color-bg-secondary: #1a2744;
    --color-bg-tertiary: #243352;
    --color-bg-card: #1e2d4d;

    /* Colores de texto */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b8c5d9;
    --color-text-muted: #8899b3;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #1a2744 0%, #2a3a5c 100%);
    --gradient-red: linear-gradient(135deg, #c41e3a 0%, #e63950 100%);
    --gradient-hero: linear-gradient(180deg, rgba(15, 24, 41, 0.85) 0%, rgba(26, 39, 68, 0.9) 100%);

    /* Sombras */
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(196, 30, 58, 0.3);

    /* Tipografía */
    --font-family: 'Montserrat', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* Bordes */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;
    --border-radius-full: 9999px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --z-header: 100;
    --z-modal: 200;
    --container-max: 1280px;
    --container-padding: 1.5rem;
    --header-height: 5rem;
}

/* ===== RESET ===== */
*,
*::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-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

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

.section {
    padding: var(--spacing-2xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section__subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-red);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-xs);
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text-primary);
}

.section__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: var(--spacing-sm) auto 0;
}

.section__cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-weight: 700;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(196, 30, 58, 0.5);
}

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

.btn--secondary:hover {
    background: var(--color-red);
    color: white;
}

.btn--outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* Botón con flecha animada */
.btn--animated {
    position: relative;
    overflow: hidden;
}

.btn__arrow {
    display: inline-block;
    margin-left: 0.5rem;
    transition: transform var(--transition-normal);
    animation: arrowBounce 1.5s ease-in-out infinite;
}

.btn--animated:hover .btn__arrow {
    transform: translateX(5px);
    animation: none;
}

@keyframes arrowBounce {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(8px);
    }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(15, 24, 41, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: var(--z-header);
}

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

.nav__logo {
    display: inline-flex;
    align-items: center;
    gap: 0;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-river,
.logo-red,
.hero-river,
.hero-red {
    font-weight: 900;
    font-size: var(--font-size-xl);
}

.logo-river,
.hero-river {
    color: white;
}

.logo-red,
.hero-red {
    color: var(--color-red);
}

.logo-tagline {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-left: 1rem;
    white-space: nowrap;
}

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

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav__link:hover,
.nav__link.active {
    color: white;
}

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

.nav__toggle,
.nav__close {
    display: none;
}

/* Enlace especial a Quesos */
.nav__link--quesos {
    background: rgba(212, 168, 83, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    color: #d4a853 !important;
    border: 1px solid rgba(212, 168, 83, 0.5);
}

.nav__link--quesos:hover {
    background: rgba(212, 168, 83, 0.4);
}

.nav__link--quesos::after {
    display: none;
}

/* ===== DROPDOWN MENU ===== */
.nav__dropdown {
    position: relative;
}

.nav__link--dropdown {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.dropdown-arrow {
    font-size: 0.6rem;
    transition: transform var(--transition-fast);
}

.nav__dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.nav__dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 0.5rem 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.nav__dropdown:hover .nav__dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown-menu li {
    list-style: none;
}

.nav__dropdown-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav__dropdown-menu a:hover {
    background: rgba(196, 30, 58, 0.15);
    color: var(--color-red);
    padding-left: 1.5rem;
}

/* ===== LOGO DROPDOWN ===== */
.nav__logo-dropdown {
    position: relative;
}

.nav__logo-dropdown .nav__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-arrow {
    font-size: 0.6rem;
    margin-left: 0.5rem;
    transition: transform var(--transition-fast);
    color: var(--color-text-muted);
}

.nav__logo-dropdown:hover .logo-arrow {
    transform: rotate(180deg);
    color: var(--color-red);
}

.nav__dropdown-menu--logo {
    position: absolute;
    top: 100%;
    left: 0;
    transform: translateY(10px);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.nav__logo-dropdown:hover .nav__dropdown-menu--logo {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Clase para toggle en móvil */
.nav__dropdown-menu--logo.show-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

/* Títulos de sección en dropdown */
.dropdown-section-title {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    pointer-events: none;
}

.dropdown-section-title:not(:first-child) {
    margin-top: 0.25rem;
}

/* Divisor en dropdown */
.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 0;
}

/* ===== BRANDS DROPDOWN ===== */
.nav__brands-dropdown {
    position: relative;
}

.nav__brands-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.nav__brands-btn:hover {
    background: rgba(196, 30, 58, 0.2);
    border-color: var(--color-red);
    color: white;
}

.nav__brands-btn .dropdown-arrow {
    font-size: 0.6rem;
    transition: transform var(--transition-fast);
}

.nav__brands-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.nav__dropdown-menu--brands {
    position: absolute;
    top: 100%;
    right: 0;
    transform: translateY(10px);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 0.5rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.nav__brands-dropdown:hover .nav__dropdown-menu--brands {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.brand-riverred {
    border-left: 3px solid var(--color-red) !important;
}

.brand-quesos {
    border-left: 3px solid #d4a853 !important;
}

.brand-agricultura {
    border-left: 3px solid #4a9f4a !important;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-bg-primary);
    padding-top: var(--header-height);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 700px;
}

.hero__badge {
    display: inline-block;
    background: rgba(196, 30, 58, 0.2);
    border: 1px solid var(--color-red);
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-red-light);
    margin-bottom: var(--spacing-md);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background-color: var(--color-bg-primary);
    /* Fallback */
    /* Aseguramos que el texto sea visible y el contenedor ocupe todo */
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Hero wrapper para layout de dos columnas */
.hero__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    width: 100%;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

/* Hero Video Container */
.hero__video {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__video-player {
    width: 100%;
    max-width: 550px;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: videoFloat 4s ease-in-out infinite;
}

@keyframes videoFloat {

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

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

/* Video glow effect */
.hero__video::before {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.3) 0%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {

    0%,
    100% {
        opacity: 0.5;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

/* Responsive para Hero con video */
@media screen and (max-width: 1024px) {
    .hero__wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
        order: 2;
    }

    .hero__video {
        order: 1;
        margin-bottom: 2rem;
    }

    .hero__video-player {
        max-width: 400px;
    }

    .hero__buttons {
        justify-content: center;
    }
}

@media screen and (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero__video-player {
        max-width: 300px;
    }

    .hero__brand {
        font-size: 2.5rem;
    }

    .hero__subtitle-main {
        font-size: 1rem;
        letter-spacing: 0.2em;
    }
}

/* Badge "Criadero Certificado" */
.hero__badge-wrapper {
    margin-bottom: 2rem;
}

.hero__badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(26, 39, 68, 0.8);
    border: 1px solid var(--color-red);
    border-radius: 50px;
    color: var(--color-red);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(5px);
}

/* Logo Grande RIVERRED */
.hero__brand {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
    font-family: 'Montserrat', sans-serif;
}

.hero-river {
    color: #ffffff;
}

.hero-red {
    color: var(--color-red);
}

/* Subtítulo SIBERIAN HUSKY KENNEL */
.hero__subtitle-main {
    font-size: 1.5rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    border-left: none;
    padding-left: 0;
}

.hero__description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 600px;
    /* Limitar ancho texto para lectura */
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-start;
    /* Alinear botones izquierda */
}

/* Estilo específico para botón outline en Hero */
.hero .btn--outline {
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

.hero .btn--outline:hover {
    border-color: #ffffff;
    background-color: #ffffff;
    color: var(--color-bg-primary);
}

/* ===== STATS ===== */
.stats-section {
    background-color: var(--color-red);
    width: 100vw;
    /* Forzar ancho de ventana completo */
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 3rem 0;
    margin-top: 0;
    border-radius: 0 !important;
    /* Quitar bordes redondeados si los hereda */
    box-shadow: none !important;
}

.stats__grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 0 2rem;
    /* Padding lateral para que no toque los bordes en pantallas pequeñas */
}

.stat-item {
    text-align: center;
    color: #ffffff;
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: capitalize;
    opacity: 0.9;
    letter-spacing: 0.5px;
}

/* Responsivo para móviles */
@media screen and (max-width: 768px) {
    .stats__grid {
        flex-direction: column;
        gap: 2rem;
    }

    .stats-section {
        padding: 2rem 0;
    }
}

/* ===== ABOUT ===== */
.about-preview {
    background: var(--color-bg-secondary);
}

.about-preview__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-preview__text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-features {
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

.about-features li {
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
}

.about-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
    border: 2px solid var(--color-bg-tertiary);
}

.about-placeholder p {
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-sm);
}

/* ===== DOGS ===== */
.dogs-preview {
    background: var(--color-bg-primary);
}

.dogs__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.dog-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.dog-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-red);
}

.dog-card__image {
    position: relative;
    height: 250px;
}

.dog-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.dog-card__badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.dog-card__badge.female {
    background: var(--color-red);
}

.dog-card__content {
    padding: var(--spacing-md);
}

.dog-card__name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.dog-card__info {
    font-size: var(--font-size-sm);
    color: var(--color-red);
    margin-bottom: var(--spacing-xs);
}

.dog-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ===== LITTERS MODERN CARD ===== */
.litters-preview {
    background: var(--color-bg-secondary);
}

.litter-card-modern {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 0;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid rgba(196, 30, 58, 0.2);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    max-width: 900px;
    margin: 0 auto;
}

.litter-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 50px rgba(196, 30, 58, 0.3);
    border-color: var(--color-red);
}

.litter-card-modern__image {
    background: var(--gradient-red);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    position: relative;
}

.litter-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.puppy-emoji {
    font-size: 10rem;
    animation: puppyFloat 3s ease-in-out infinite;
}

@keyframes puppyFloat {

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

    50% {
        transform: translateY(-20px);
    }
}

.litter-card-modern__content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.litter-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(40, 167, 69, 0.15);
    color: #28a745;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: fit-content;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #28a745;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.litter-card-modern__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.litter-card-modern__date {
    font-size: var(--font-size-sm);
    color: var(--color-red);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.litter-card-modern__description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.litter-card-modern__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.litter-card-modern__features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.feature-icon {
    color: var(--color-red);
    font-weight: 700;
    font-size: var(--font-size-base);
}

.btn--large {
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
}

/* ===== LITTERS CAROUSEL ===== */
.litters-carousel {
    position: relative;
    max-width: 950px;
    margin: 0 auto;
}

.litters-carousel__wrapper {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.litters-carousel__track {
    display: flex;
    transition: transform 0.5s ease;
}

.litter-card-modern--carousel {
    min-width: 100%;
    flex-shrink: 0;
}

.litters-carousel__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(26, 39, 68, 0.9);
    border: 2px solid var(--color-red);
    border-radius: 50%;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.litters-carousel__nav:hover {
    background: var(--color-red);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 30px rgba(196, 30, 58, 0.5);
}

.litters-carousel__nav--prev {
    left: -30px;
}

.litters-carousel__nav--next {
    right: -30px;
}

/* Responsive Carousel Navigation */
@media screen and (max-width: 768px) {
    .litters-carousel {
        max-width: 100%;
        padding: 0 0.5rem;
    }

    .litters-carousel__wrapper {
        overflow: hidden;
        width: 100%;
    }

    .litters-carousel__track {
        display: flex;
        width: 100%;
    }

    .litter-card-modern--carousel {
        min-width: 100%;
        width: 100%;
        flex-shrink: 0;
    }

    .litters-carousel__nav {
        width: 45px;
        height: 45px;
        font-size: 1.8rem;
    }

    .litters-carousel__nav--prev {
        left: 10px;
    }

    .litters-carousel__nav--next {
        right: 10px;
    }
}

@media screen and (max-width: 480px) {
    .litters-carousel__nav {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .litters-carousel__nav--prev {
        left: 5px;
    }

    .litters-carousel__nav--next {
        right: 5px;
    }
}

.litters-carousel__dots {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.litters-carousel__dot {
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(196, 30, 58, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.litters-carousel__dot--active,
.litters-carousel__dot:hover {
    background: var(--color-red);
    border-color: var(--color-red);
    transform: scale(1.4);
}

/* ===== PROJECTS SECTION ===== */
.projects-section {
    background: var(--color-bg-primary);
    position: relative;
}

.projects__container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.projects__wrapper {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.projects__track {
    display: flex;
    transition: transform 0.5s ease;
}

.project-card {
    min-width: 100%;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    border: 2px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.project-card:hover {
    border-color: var(--color-red);
    transform: scale(1.02);
}

.project-card__badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--color-red);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
}

.project-card__badge--new {
    background: #28a745;
}

.project-card__badge--soon {
    background: #ffc107;
    color: #1a2744;
}

.project-card__icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-red);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.project-card__icon--gold {
    background: linear-gradient(135deg, #d4a853 0%, #e8c876 100%);
    box-shadow: 0 0 30px rgba(212, 168, 83, 0.3);
}

.project-card__icon--mystery {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    box-shadow: 0 0 30px rgba(108, 117, 125, 0.3);
}

.project-icon {
    font-size: 4rem;
}

.project-card__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.project-card__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-red);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.project-card__description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.project-card__tags {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.project-tag {
    background: rgba(196, 30, 58, 0.15);
    color: var(--color-red-light);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.project-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-red);
    color: white;
    border-radius: var(--border-radius-full);
    font-weight: 700;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.project-card__link:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(196, 30, 58, 0.5);
}

.project-card__link--disabled {
    background: #6c757d;
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}

.project-card__link--disabled:hover {
    transform: none;
}

.projects__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--color-bg-card);
    border: 2px solid var(--color-red);
    border-radius: 50%;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.projects__nav:hover {
    background: var(--color-red);
    transform: translateY(-50%) scale(1.1);
}

.projects__nav--prev {
    left: -25px;
}

.projects__nav--next {
    right: -25px;
}

.projects__dots {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.projects__dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.projects__dot--active,
.projects__dot:hover {
    background: var(--color-red);
    transform: scale(1.3);
}

/* ===== LITTERS OLD STYLES (KEEP FOR COMPATIBILITY) ===== */
.litters-preview {
    background: var(--color-bg-secondary);
}

.litter-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.litter-featured__image {
    min-height: 400px;
}

.litter-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
}

.litter-featured__content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.litter-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.litter-badge.available {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
    border: 1px solid #28a745;
}

.litter-featured__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.litter-featured__date {
    font-size: var(--font-size-sm);
    color: var(--color-red);
    margin-bottom: var(--spacing-md);
}

.litter-featured__desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

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

.litter-features li {
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

/* ===== FEATURES ===== */
.why-us {
    background: var(--color-bg-primary);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-red);
    transform: translateY(-5px);
}

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

.feature-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ===== SOCIAL ===== */
.social-section {
    background: var(--color-bg-secondary);
}

.social__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.social-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.social-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-red);
}

.social-card__icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    font-size: 1.5rem;
}

.social-card--instagram .social-card__icon {
    background: linear-gradient(45deg, #f09433, #dc2743, #bc1888);
}

.social-card--facebook .social-card__icon {
    background: #1877f2;
    color: white;
}

.social-card--youtube .social-card__icon {
    background: #ff0000;
}

.social-card--tiktok .social-card__icon {
    background: #000;
}

.social-card__info h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
}

.social-card__info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg-primary);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.footer__logo {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.footer__description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    max-width: 300px;
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social__link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.social__link:hover {
    background: var(--color-red);
    transform: translateY(-3px);
}

.footer__links h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.footer__links a,
.footer__links li {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.footer__links a:hover {
    color: var(--color-red);
}

.footer__bottom {
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ===== PAGE HEADER ===== */
.page-header {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    padding-top: var(--header-height);
    text-align: center;
}

.page-header__overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 24, 41, 0.7);
}

.page-header__content {
    position: relative;
    z-index: 2;
}

.page-header__icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.page-header__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
}

.page-header__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

/* ===== RESPONSIVE ===== */
@media screen and (max-width: 1024px) {

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

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

    .litter-featured {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--color-bg-secondary);
        padding: 5rem 2rem;
        transition: right var(--transition-normal);
        z-index: var(--z-modal);
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }

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

    .nav__close {
        display: flex;
        position: absolute;
        top: 1rem;
        left: 1rem;
        /* Cambiado de right a left */
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        background: var(--color-bg-card);
        border-radius: 50%;
        font-size: 1.5rem;
        cursor: pointer;
    }

    .nav__toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        padding: 12px;
        /* Aumentar área clickeable */
        margin: -12px -12px -12px 0;
        /* Compensar padding para mantener posición */
        z-index: 1000;
        /* Asegurar que esté encima */
    }

    .nav__toggle span {
        width: 25px;
        height: 3px;
        background: white;
        border-radius: 2px;
    }

    /* Reducir logo en móvil */
    .logo-river,
    .logo-red {
        font-size: var(--font-size-lg);
        /* Más pequeño en móvil */
    }

    /* Ocultar tagline en móvil */
    .logo-tagline {
        display: none;
    }

    /* Reducir dropdown arrow */
    .logo-arrow {
        font-size: 0.5rem;
        margin-left: 0.25rem;
    }

    /* Ajustar padding del nav */
    .nav {
        gap: 0.5rem;
        /* Espacio entre logo y hamburguesa */
    }

    /* Ajustar dropdown del logo en móvil */
    .nav__logo-dropdown {
        position: static;
        /* Cambiar posición en móvil */
    }

    .nav__dropdown-menu--logo {
        position: fixed;
        /* Fijar a la ventana */
        left: 1rem !important;
        /* Margen desde izquierda */
        right: 1rem;
        /* Margen desde derecha */
        top: calc(var(--header-height) + 0.5rem) !important;
        /* Debajo del header */
        transform: none !important;
        /* Remover transform */
        min-width: auto;
        max-width: none;
        white-space: normal;
    }

    .nav__dropdown-menu--logo a {
        white-space: normal;
        padding: 0.75rem 1rem;
        word-break: break-word;
    }

    .hero__title {
        font-size: 3rem;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .about-preview__content {
        grid-template-columns: 1fr;
    }

    .dogs__grid,
    .features__grid,
    .social__grid {
        grid-template-columns: 1fr;
    }

    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__social {
        justify-content: center;
    }

    /* Responsive para tarjeta moderna de cachorros */
    .litter-card-modern {
        grid-template-columns: 1fr;
        /* VERTICAL: Imagen arriba, info abajo */
        grid-template-rows: auto auto;
        gap: 0;
    }

    .litter-card-modern__content {
        padding: 1.5rem;
        /* Más padding para diseño vertical */
    }

    .litter-card-modern__features {
        grid-template-columns: 1fr;
        /* Features en 1 columna */
        gap: 0.5rem;
    }

    .litter-card-modern__title {
        font-size: var(--font-size-xl);
        /* Título más grande */
        margin-bottom: 0.5rem;
    }

    .litter-card-modern__description {
        font-size: var(--font-size-base);
        /* Descripción legible */
        line-height: 1.6;
        margin-bottom: 1rem;
    }

    .puppy-emoji {
        font-size: 6rem;
        /* Emoji más grande en vertical */
    }

    .litter-card-modern__image {
        padding: 2rem;
        /* Más padding para imagen */
    }

    .litter-image-placeholder {
        min-height: 300px;
        /* Altura mayor para diseño vertical */
    }

    .btn--large {
        padding: 1rem 2rem;
        /* Botón más grande */
        font-size: var(--font-size-base);
    }

    /* Optimización adicional para pantallas pequeñas */
    @media screen and (max-width: 480px) {
        .litter-card-modern {
            grid-template-columns: 1fr;
            /* Cambiar a 1 columna vertical en móviles */
            grid-template-rows: auto auto;
        }

        .litter-card-modern__image {
            order: 1;
            /* Imagen primero (arriba) */
        }

        .litter-card-modern__content {
            order: 2;
            /* Contenido segundo (abajo) */
            padding: 1.25rem;
        }

        .litter-card-modern__title {
            font-size: var(--font-size-xl);
            margin-bottom: 0.5rem;
        }

        .litter-card-modern__date {
            font-size: var(--font-size-sm);
            margin-bottom: 0.75rem;
        }

        .litter-card-modern__description {
            font-size: var(--font-size-sm);
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .puppy-emoji {
            font-size: 5rem;
        }

        .litter-image-placeholder {
            min-height: 250px;
        }

        .litter-card-modern__image {
            padding: 1.5rem;
        }

        .btn--large {
            padding: 0.875rem 1.75rem;
            font-size: var(--font-size-base);
        }

        .litter-status-badge {
            font-size: var(--font-size-sm);
            padding: 0.5rem 1rem;
        }

        .litter-card-modern__features {
            grid-template-columns: 1fr;
        }

        .litter-card-modern__features li {
            font-size: var(--font-size-sm);
        }
    }


    /* Responsive para proyectos */
    .projects__nav {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .projects__nav--prev {
        left: -10px;
    }

    .projects__nav--next {
        right: -10px;
    }

    .project-card__icon {
        width: 100px;
        height: 100px;
    }

    .project-icon {
        font-size: 3rem;
    }
}

@media screen and (max-width: 480px) {
    .stats__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .section__title {
        font-size: var(--font-size-2xl);
    }
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--color-bg-primary);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact__card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.contact__card:hover {
    border-color: var(--color-red);
    transform: translateX(5px);
}

.contact__icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact__card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.contact__card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Contact Form */
.contact__form {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact__form h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

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

.form__input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--color-bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
}

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

.form__input:focus {
    border-color: var(--color-red);
    background: var(--color-bg-tertiary);
    outline: none;
}

.form__input:hover {
    border-color: rgba(196, 30, 58, 0.5);
}

select.form__input {
    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='%238899b3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    padding-right: 3rem;
}

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

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

.btn--full {
    width: 100%;
    justify-content: center;
}

/* Dog Card Tags */
.dog-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.dog-card__tags span {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(196, 30, 58, 0.15);
    color: var(--color-red-light);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Responsive Contact */
@media screen and (max-width: 768px) {
    .contact__content {
        grid-template-columns: 1fr;
    }

    .contact__info {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

@media screen and (max-width: 480px) {
    .contact__info {
        grid-template-columns: 1fr;
    }

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

/* ===== LOADER ===== */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.loader-logo {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.loader-text.river {
    color: white;
}

.loader-text.red {
    color: var(--color-red);
}

.loader-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    animation: blink 1.5s infinite;
}

.loader-line {
    width: 0;
    height: 3px;
    background: var(--color-red);
    animation: loaderLine 2s ease-in-out forwards;
}

@keyframes loaderLine {
    0% {
        width: 0;
    }

    100% {
        width: 100px;
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: all var(--transition-normal);
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.3);
    animation: whatsappRipple 1.5s ease-out infinite;
}

@keyframes whatsappPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes whatsappRipple {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* WhatsApp tooltip */
.whatsapp-float .tooltip {
    position: absolute;
    right: 75px;
    background: white;
    color: #128C7E;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.whatsapp-float .tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent transparent white;
}

.whatsapp-float:hover .tooltip {
    opacity: 1;
    right: 70px;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 50px;
    height: 50px;
    background: var(--gradient-red);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(196, 30, 58, 0.5);
}

.back-to-top span {
    display: block;
    animation: arrowUp 1s ease-in-out infinite;
}

@keyframes arrowUp {

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

    50% {
        transform: translateY(-5px);
    }
}

/* ===== ENHANCED GLASSMORPHISM ===== */
.glass-card {
    background: rgba(30, 45, 77, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card,
.dog-card,
.social-card,
.feature-card,
.contact__card {
    background: rgba(30, 45, 77, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-card:hover,
.dog-card:hover,
.social-card:hover,
.feature-card:hover {
    background: rgba(30, 45, 77, 0.85);
    border-color: rgba(196, 30, 58, 0.5);
}

/* ===== SECTION REVEAL ANIMATIONS ===== */
.section-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children animation */
.stagger-children>* {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-children.revealed>*:nth-child(1) {
    transition-delay: 0.1s;
}

.stagger-children.revealed>*:nth-child(2) {
    transition-delay: 0.2s;
}

.stagger-children.revealed>*:nth-child(3) {
    transition-delay: 0.3s;
}

.stagger-children.revealed>*:nth-child(4) {
    transition-delay: 0.4s;
}

.stagger-children.revealed>*:nth-child(5) {
    transition-delay: 0.5s;
}

.stagger-children.revealed>*:nth-child(6) {
    transition-delay: 0.6s;
}

.stagger-children.revealed>* {
    opacity: 1;
    transform: translateY(0);
}

/* ===== GRADIENT TEXT EFFECT ===== */
.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, var(--color-red) 50%, #ffffff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0% {
        background-position: 0% center;
    }

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

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

/* ===== HOVER GLOW EFFECT ===== */
.glow-on-hover {
    position: relative;
    overflow: hidden;
}

.glow-on-hover::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.glow-on-hover:hover::before {
    opacity: 1;
}

/* ===== IMPROVED CARD SHADOWS ===== */
.card-shadow-hover {
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.card-shadow-hover:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(196, 30, 58, 0.15);
}

/* ===== SMOOTH IMAGE ZOOM ===== */
.image-zoom {
    overflow: hidden;
}

.image-zoom img,
.image-zoom .dog-placeholder {
    transition: transform 0.5s ease;
}

.image-zoom:hover img,
.image-zoom:hover .dog-placeholder {
    transform: scale(1.1);
}

/* ===== FOOTER IMPROVEMENTS ===== */
.footer__brand {
    position: relative;
}

.footer__social a {
    transition: all var(--transition-normal);
}

.footer__social a:hover {
    transform: translateY(-3px) scale(1.1);
}

/* ===== RESPONSIVE FLOATING BUTTONS ===== */
@media screen and (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 90px;
        right: 15px;
        font-size: 1.75rem;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 15px;
        font-size: 1.25rem;
    }

    .whatsapp-float .tooltip {
        display: none;
    }
}

/* ===== SKELETON LOADING (para futuras imágenes) ===== */
.skeleton {
    background: linear-gradient(90deg, var(--color-bg-card) 25%, var(--color-bg-tertiary) 50%, var(--color-bg-card) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    background: var(--color-bg-primary);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 4rem;
    color: var(--color-red);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-red);
    box-shadow: 0 10px 40px rgba(196, 30, 58, 0.15);
}

.testimonial-card__stars {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
}

.testimonial-card__text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-card__avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.testimonial-card__info h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.testimonial-card__info span {
    font-size: var(--font-size-sm);
    color: var(--color-red);
}

/* Responsive Testimonials */
@media screen and (max-width: 1024px) {
    .testimonials__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
}

/* ===== ADOPTED / FAMILIAS FELICES ===== */
.adopted__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.adopted-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.adopted-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--color-red);
}

.adopted-card__image {
    aspect-ratio: 1;
    overflow: hidden;
}

.adopted-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform var(--transition-normal);
}

.adopted-card:hover .adopted-placeholder {
    transform: scale(1.1);
}

.adopted-card__content {
    padding: var(--spacing-md);
    text-align: center;
}

.adopted-card__content h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.adopted-card__content p {
    font-size: var(--font-size-sm);
    color: var(--color-red);
}

/* Responsive Adopted */
@media screen and (max-width: 1024px) {
    .adopted__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 480px) {
    .adopted__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .adopted-placeholder {
        font-size: 2rem;
    }
}

/* ===== FAQ SECTION ===== */
.faq-section {
    background: var(--color-bg-primary);
}

.faq__container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: rgba(196, 30, 58, 0.3);
}

.faq-item.active {
    border-color: var(--color-red);
}

.faq-item__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}

.faq-item__question span:first-child {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    flex: 1;
    padding-right: 1rem;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-red);
    font-weight: 300;
    transition: transform var(--transition-normal);
    min-width: 24px;
    text-align: center;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-item__answer {
    max-height: 300px;
    padding: 0 1.5rem 1.25rem;
}

.faq-item__answer p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.7;
}

/* Responsive FAQ */
@media screen and (max-width: 768px) {
    .faq-item__question {
        padding: 1rem;
    }

    .faq-item__question span:first-child {
        font-size: var(--font-size-sm);
    }

    .faq-item.active .faq-item__answer {
        padding: 0 1rem 1rem;
    }
}

/* ===== REVIEW FORM ===== */
.review-form-container {
    max-width: 700px;
    margin: 0 auto;
}

.review-form {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.review-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.review-form label {
    display: block;
    color: var(--color-text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: var(--font-size-sm);
}

/* Star Rating */
.star-rating {
    display: flex;
    gap: 0.5rem;
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.star {
    cursor: pointer;
    transition: all 0.2s ease;
    filter: grayscale(0);
}

.star:hover {
    transform: scale(1.3);
}

/* Full width button */
.btn--full {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
}

/* Responsive Review Form */
@media screen and (max-width: 768px) {
    .review-form__grid {
        grid-template-columns: 1fr;
    }

    .review-form {
        padding: var(--spacing-lg);
    }
}

/* FadeInUp animation for new reviews */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 24, 41, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(196, 30, 58, 0.3);
    padding: 1.5rem;
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-banner__content {
    flex: 1;
    min-width: 300px;
}

.cookie-banner__icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.cookie-banner__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

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

.cookie-banner__text a {
    color: var(--color-red);
    text-decoration: underline;
}

.cookie-banner__buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.cookie-btn--accept {
    background: var(--gradient-red);
    color: white;
}

.cookie-btn--accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(196, 30, 58, 0.4);
}

.cookie-btn--reject {
    background: transparent;
    border: 2px solid var(--color-text-muted);
    color: var(--color-text-secondary);
}

.cookie-btn--reject:hover {
    border-color: var(--color-red);
    color: var(--color-red);
}

.cookie-btn--settings {
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
}

.cookie-btn--settings:hover {
    color: var(--color-text-primary);
}

/* Responsive Cookie Banner */
@media screen and (max-width: 768px) {
    .cookie-banner {
        padding: 1rem;
    }

    .cookie-banner__container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .cookie-banner__content {
        min-width: auto;
    }

    .cookie-banner__buttons {
        width: 100%;
        justify-content: center;
    }

    .cookie-btn {
        flex: 1;
        min-width: 120px;
    }
}