/* ===================================
   CSS Variables - Design System
   =================================== */
:root {
    /* === Summer/Default Theme (Piscinas - Azul) === */
    --color-primary: #0891b2;
    --color-primary-dark: #0e7490;
    --color-primary-light: #06b6d4;
    --color-secondary: #0ea5e9;
    --color-secondary-dark: #0284c7;
    --color-secondary-light: #38bdf8;
    --color-accent: #06b6d4;
    --color-success: #10B981;

    /* === Winter Theme Tokens (Calderas - Naranja) === */
    --winter-primary: #c2440a;
    --winter-primary-dark: #9a3208;
    --winter-primary-light: #e85d04;
    --winter-secondary: #f48c06;
    --winter-accent: #faa307;
    --gradient-winter-primary: linear-gradient(135deg, #c2440a 0%, #e85d04 100%);
    --gradient-winter-overlay: linear-gradient(135deg, rgba(140, 40, 10, 0.72) 0%, rgba(194, 68, 10, 0.60) 100%);
    --gradient-winter-hero: linear-gradient(135deg, #7f1d1d 0%, #c2440a 100%);

    /* Neutral Colors */
    --color-dark: #1A1A2E;
    --color-gray-900: #2D2D44;
    --color-gray-800: #3E3E5E;
    --color-gray-700: #53536A;
    --color-gray-600: #6B6B82;
    --color-gray-500: #8E8EA9;
    --color-gray-400: #B4B4C6;
    --color-gray-300: #D1D1E0;
    --color-gray-200: #E8E8F2;
    --color-gray-100: #F5F5FA;
    --color-white: #FFFFFF;

    /* Gradients - Conservative */
    --gradient-primary: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    --gradient-hero: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(8, 145, 178, 0.55) 0%, rgba(6, 182, 212, 0.50) 100%);

    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

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

    /* Border Radius - Subtle */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.625rem;
    --radius-2xl: 0.75rem;
    --radius-full: 9999px;

    /* Shadows - Very Subtle */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 8px -2px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 16px -4px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 12px 24px -8px rgba(0, 0, 0, 0.12);

    /* Header height tokens */
    --header-nav-h: 90px;
    --header-switcher-h: 52px;
    --header-banner-h: 48px;
    --header-total-h: calc(var(--header-nav-h) + var(--header-switcher-h) + var(--header-banner-h));

    /* Transitions - Conservative */
    --transition-fast: 200ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.nav__logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 100;
}

.logo-img {
    height: 65px;
    width: auto;
    object-fit: contain;
}

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

.nav__menu {
    display: none;
}

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

.nav__link {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    transition: color var(--transition-base);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

.nav__link--cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
}

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

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

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

@media (min-width: 768px) {
    .nav__menu {
        display: block;
    }

    .nav__toggle {
        display: none;
    }
}

/* ===================================
   Phone Call Banner
   =================================== */
.phone-banner {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    padding: 0.75rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.phone-banner__content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.phone-banner__label {
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.phone-banner__buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: transparent;
    border: 2px solid var(--color-white);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9375rem;
    transition: all var(--transition-base);
    text-decoration: none;
}

.phone-btn:hover {
    background: var(--color-white);
    color: #0891b2;
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.phone-btn:active {
    transform: translateY(0);
}

.phone-btn__icon {
    width: 18px;
    height: 18px;
    stroke-width: 2.5;
}

/* Mobile adjustments */
@media (max-width: 480px) {
    .phone-banner__content {
        gap: 0.5rem;
    }

    .phone-banner__label {
        font-size: 0.75rem;
    }

    .phone-btn {
        font-size: 0.875rem;
        padding: 0.4rem 1rem;
    }

    .phone-btn__icon {
        width: 16px;
        height: 16px;
    }
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-total-h);
    overflow: hidden;
}

/* Hero background image (for Winter mode) */
.hero__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
}

/* Winter hero — gradient as fallback behind the video */
.hero--winter {
    background: none;
}

.hero--winter .hero__background {
    background: linear-gradient(145deg, #3d0c00 0%, #7f1d1d 30%, #c2440a 65%, #e85d04 85%, #f48c06 100%);
}

/* Warm glow radial effect */
.hero--winter .hero__background::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at 15% 60%, rgba(255, 120, 20, 0.30) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 30%, rgba(255, 60, 0, 0.18) 0%, transparent 50%);
    z-index: 1;
}

/* Winter hero overlay — very subtle, just for text readability */
.hero--winter .hero__overlay {
    background: rgba(30, 5, 0, 0.28);
    z-index: 2;
}

/* Summer hero overlay — keep the cool teal */
.hero--summer .hero__overlay {
    background: var(--gradient-overlay);
}



.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero__background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: 2;
}

.hero__container {
    position: relative;
    z-index: 10;
}

.hero__content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform var(--transition-base);
}

.stat:hover {
    transform: translateY(-2px);
}

.stat__number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    line-height: 1;
}

.stat__label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--spacing-xs);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn__icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

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

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

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

.btn--secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-3px);
}

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

.btn__icon--loading {
    display: none;
    animation: spin 1s linear infinite;
}

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

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
}

/* ===================================
   Brands Section
   =================================== */
.brands {
    background: var(--color-gray-100);
    padding: var(--spacing-xl) 0;
}

.brands__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.brand-item {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-align: center;
}

.brand-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.brand-item__name {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: var(--color-gray-100);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon {
    transform: scale(1.05);
}

.service-card__icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--color-white);
    stroke-width: 2;
}

.service-card__icon--secondary {
    background: var(--gradient-secondary);
}

.service-card__icon--accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, #00E5C5 100%);
}

.service-card__icon--success {
    background: linear-gradient(135deg, var(--color-success) 0%, #34D399 100%);
}

.service-card__title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card__description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-card__features {
    margin-top: var(--spacing-md);
}

.service-card__features li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

.service-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

/* ===================================
   About Section
   =================================== */
.about__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-top: var(--spacing-xl);
}

.about__image-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
}

.about__image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

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

    .about__image-container {
        order: -1;
    }

    .about__content {
        text-align: center;
    }
}

.about__text {
    font-size: 1.0625rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.about__features {
    display: grid;
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.feature__icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature__icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-white);
    stroke-width: 2;
}

.feature__title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.feature__text {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.about__image {
    position: relative;
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.product-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.product-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.product-brand {
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--color-gray-100);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--color-gray-100);
}

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

@media (min-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact__info-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.contact__info-text {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact__details {
    display: grid;
    gap: var(--spacing-md);
}

.contact__detail {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact__detail:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.contact__detail-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact__detail-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-white);
    stroke-width: 2;
}

.contact__detail-content h4 {
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.contact__detail-content a,
.contact__detail-content p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

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

/* ===================================
   Form Styles
   =================================== */
.contact__form {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9375rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-dark);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-input.error {
    border-color: #EF4444;
}

.form-error {
    display: block;
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form-group--checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.form-group--checkbox input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-label-checkbox {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-regular);
    margin: 0;
}

.form-link {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-link:hover {
    color: var(--color-primary-dark);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: none;
}

.form-message.success {
    display: block;
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}

.form-message.error {
    display: block;
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__title .highlight {
    color: var(--color-secondary);
}

.footer__text {
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
}

.footer__heading {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__links li {
    margin-bottom: var(--spacing-xs);
}

.footer__links a {
    color: var(--color-gray-400);
    transition: color var(--transition-base);
}

.footer__links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer__bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 767px) {
    .hero__buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero__stats {
        grid-template-columns: 1fr;
    }

    .services__grid {
        grid-template-columns: 1fr;
    }

    /* El banner de teléfonos hace wrap en mobile, aumentando la altura del header.
       Se aumenta el padding-top del hero para evitar que el título quede cortado. */
    .hero {
        padding-top: calc(var(--header-total-h) + 20px);
    }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

/* ===================================
   WhatsApp Floating Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: white;
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* ===================================
   Season Switcher Tabs
   =================================== */
.season-switcher {
    background: #f8f8f8;
    border-bottom: 1px solid #e0e0e0;
}

.season-switcher__tabs {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.4rem 0;
}

.season-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1.4rem;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    cursor: pointer;
    background: transparent;
    color: var(--color-gray-600);
    transition: all var(--transition-base);
    letter-spacing: 0.2px;
}

.season-tab:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-dark);
}

.season-tab__icon {
    font-size: 1.1rem;
    line-height: 1;
}

/* Winter tab active */
.season-tab--winter.active {
    background: var(--gradient-winter-primary);
    color: #fff;
    border-color: var(--winter-primary-dark);
    box-shadow: 0 3px 12px rgba(194, 68, 10, 0.35);
}

/* Summer tab active */
.season-tab--summer.active {
    background: var(--gradient-primary);
    color: #fff;
    border-color: var(--color-primary-dark);
    box-shadow: 0 3px 12px rgba(8, 145, 178, 0.35);
}

@media (max-width: 480px) {
    .season-tab {
        padding: 0.4rem 1rem;
        font-size: 0.82rem;
    }
    .season-tab__icon {
        font-size: 1rem;
    }
}

/* ===================================
   Winter Body Theme
   (overrides primary-colored accents)
   =================================== */
body.season-winter {
    --color-primary: var(--winter-primary);
    --color-primary-dark: var(--winter-primary-dark);
    --color-primary-light: var(--winter-primary-light);
    --color-secondary: var(--winter-secondary);
    --color-accent: var(--winter-accent);
    --gradient-primary: var(--gradient-winter-primary);
    --gradient-secondary: linear-gradient(135deg, #e85d04 0%, #faa307 100%);
}

/* Winter phone banner color */
body.season-winter .phone-banner {
    background: linear-gradient(135deg, #9a3208 0%, #c2440a 100%);
}
body.season-winter .phone-btn:hover {
    color: #9a3208;
}

/* ===================================
   Season Content Transition
   =================================== */
.season-content {
    animation: fadeInSeason 0.4s ease-out;
}

@keyframes fadeInSeason {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===================================
   Boiler Banner — Caldera Encendida
   =================================== */
.boiler-banner {
    position: relative;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
}

.boiler-banner__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.boiler-banner__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    display: block;
    transition: transform 8s ease;
}

.boiler-banner:hover .boiler-banner__img {
    transform: scale(1.04);
}

.boiler-banner__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(60, 10, 0, 0.72) 0%,
        rgba(140, 40, 5, 0.60) 50%,
        rgba(200, 70, 10, 0.45) 100%
    );
    z-index: 1;
}

.boiler-banner__content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.boiler-banner__text {
    text-align: center;
    color: #fff;
    padding: 2rem;
    max-width: 700px;
    animation: fadeInUp 0.8s ease-out;
}

.boiler-banner__eyebrow {
    display: inline-block;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 200, 100, 0.95);
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.3rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 200, 100, 0.30);
}

.boiler-banner__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.boiler-banner__subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.boiler-banner__cta {
    background: linear-gradient(135deg, #f48c06 0%, #e85d04 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(232, 93, 4, 0.45);
    font-size: 1.0625rem;
    padding: 1rem 2.5rem;
}

.boiler-banner__cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(232, 93, 4, 0.55);
    color: #fff;
}

@media (max-width: 600px) {
    .boiler-banner {
        height: 380px;
    }
    .boiler-banner__title {
        font-size: 1.75rem;
    }
}