/**
 * Bronco Materiales - Estilos CSS
 * Distribuidora Mayorista de Materiales de Construcción
 *
 * Paleta de Colores:
 * - Primary (Navy Blue): #0A2472
 * - Secondary (Dark Grey): #333333
 * - Background (Light Cream): #F7F6E8
 *
 * Tipografía: Montserrat
 */

/* ===================================
   CSS Variables / Custom Properties
   =================================== */
:root {
    /* Colors - Brand */
    --color-primary: #0A2472;
    --color-primary-dark: #061854;
    --color-primary-light: #1a3a8c;
    --color-secondary: #333333;
    --color-secondary-light: #555555;

    /* Colors - Background */
    --color-bg-cream: #F7F6E8;
    --color-bg-white: #FFFFFF;
    --color-bg-dark: #0A2472;
    --color-bg-grey: #f5f5f5;

    /* Colors - Text */
    --color-text-dark: #1a1a1a;
    --color-text-body: #333333;
    --color-text-muted: #666666;
    --color-text-light: #FFFFFF;

    /* Colors - Accent */
    --color-accent: #25D366; /* WhatsApp Green */
    --color-accent-hover: #128C7E;

    /* Typography */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Font Weights */
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;
    --fw-black: 900;

    /* Font Sizes */
    --fs-xs: 0.75rem;      /* 12px */
    --fs-sm: 0.875rem;     /* 14px */
    --fs-base: 1rem;       /* 16px */
    --fs-md: 1.125rem;     /* 18px */
    --fs-lg: 1.25rem;      /* 20px */
    --fs-xl: 1.5rem;       /* 24px */
    --fs-2xl: 2rem;        /* 32px */
    --fs-3xl: 2.5rem;      /* 40px */
    --fs-4xl: 3rem;        /* 48px */
    --fs-5xl: 3.5rem;      /* 56px */
    --fs-6xl: 4rem;        /* 64px */

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(10, 36, 114, 0.05);
    --shadow-md: 0 4px 6px rgba(10, 36, 114, 0.07);
    --shadow-lg: 0 10px 25px rgba(10, 36, 114, 0.1);
    --shadow-xl: 0 20px 40px rgba(10, 36, 114, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: 1.6;
    color: var(--color-text-body);
    background-color: var(--color-bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ===================================
   Utility Classes
   =================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: var(--transition-base);
    background: transparent;
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--space-sm) 0;
}

.header__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.header__logo {
    display: flex;
    align-items: center;
    z-index: calc(var(--z-fixed) + 1);
}

.header__logo-img {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
}

.header--scrolled .header__logo-img {
    height: 40px;
}

.header__nav {
    display: none;
}

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

.header__nav-link {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) 0;
    position: relative;
    transition: var(--transition-fast);
}

.header--scrolled .header__nav-link {
    color: var(--color-text-dark);
}

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

.header__nav-link:hover::after {
    width: 100%;
}

.header__cta {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-accent);
    color: var(--color-text-light);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.header__cta:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.header__cta-icon {
    width: 18px;
    height: 18px;
}

.header__menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: calc(var(--z-fixed) + 1);
}

.header__menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-light);
    transition: var(--transition-base);
}

.header--scrolled .header__menu-toggle span {
    background-color: var(--color-text-dark);
}

.header__menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.header__nav.active {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: var(--z-fixed);
}

.header__nav.active .header__nav-list {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xl);
}

.header__nav.active .header__nav-link {
    font-size: var(--fs-xl);
    color: var(--color-text-light);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5xl) var(--container-padding) var(--space-3xl);
    background-image:
        linear-gradient(135deg, rgba(10, 36, 114, 0.95) 0%, rgba(6, 24, 84, 0.9) 100%),
        url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 36, 114, 0.3) 0%,
        rgba(10, 36, 114, 0.1) 50%,
        rgba(10, 36, 114, 0.4) 100%
    );
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
}

.hero__badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-text-light);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(5px);
}

.hero__title {
    font-size: var(--fs-4xl);
    font-weight: var(--fw-black);
    color: var(--color-text-light);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.hero__title-accent {
    color: var(--color-bg-cream);
    display: block;
}

.hero__subtitle {
    font-size: var(--fs-md);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

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

.hero__cta--primary {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.hero__cta--primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.hero__cta--secondary {
    background: transparent;
    color: var(--color-text-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero__cta--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
    color: var(--color-text-light);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.hero__stat-label {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: bounce 2s infinite;
}

.hero__scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================
   Products Section
   =================================== */
.products {
    padding: var(--space-5xl) 0;
    background-color: var(--color-bg-cream);
}

.products__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.products__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background-color: var(--color-primary);
    color: var(--color-text-light);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.products__title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
}

.products__subtitle {
    font-size: var(--fs-md);
    color: var(--color-text-muted);
    line-height: 1.7;
}

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

.product-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.product-card__image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-card__image {
    transform: scale(1.05);
}

.product-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(10, 36, 114, 0.3) 100%
    );
}

.product-card__content {
    padding: var(--space-lg);
}

.product-card__title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.product-card__description {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-primary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    transition: var(--transition-fast);
}

.product-card__link svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.product-card__link:hover {
    color: var(--color-primary-light);
}

.product-card__link:hover svg {
    transform: translateX(4px);
}

.products__cta {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.products__cta-text {
    font-size: var(--fs-lg);
    color: var(--color-text-body);
    margin-bottom: var(--space-md);
}

.products__cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-primary);
    color: var(--color-text-light);
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.products__cta-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Value Proposition Section
   =================================== */
.value {
    padding: var(--space-5xl) 0;
    background-color: var(--color-bg-white);
}

.value__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.value__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background-color: var(--color-bg-cream);
    color: var(--color-primary);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.value__title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    color: var(--color-secondary);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

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

.value__description {
    font-size: var(--fs-md);
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

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

.value__list-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.value__list-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    margin-top: 2px;
}

.value__list-item strong {
    display: block;
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.value__list-item span {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.value__image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.value__image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.value__image-badge {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--color-primary);
    color: var(--color-text-light);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
}

.value__image-badge-number {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: var(--fw-black);
    line-height: 1;
}

.value__image-badge-text {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--space-5xl) 0;
    background-color: var(--color-primary);
}

.contact__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
}

.contact__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-light);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.contact__title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-black);
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.contact__description {
    font-size: var(--fs-md);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.contact__method:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.contact__method--whatsapp {
    background: rgba(37, 211, 102, 0.15);
    border-color: rgba(37, 211, 102, 0.3);
}

.contact__method--whatsapp:hover {
    background: rgba(37, 211, 102, 0.25);
    border-color: rgba(37, 211, 102, 0.5);
}

.contact__method-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.contact__method-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-light);
}

.contact__method--whatsapp .contact__method-icon {
    background: var(--color-accent);
}

.contact__method-label {
    display: block;
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.contact__method-value {
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: var(--color-text-light);
}

.contact__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 300px;
    box-shadow: var(--shadow-xl);
}

.contact__map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-primary-dark);
    padding: var(--space-3xl) 0 var(--space-xl);
}

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

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

.footer__logo {
    height: 60px;
    width: auto;
    margin: 0 auto var(--space-md);
    filter: brightness(0) invert(1);
}

.footer__tagline {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer__links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md) var(--space-xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__links a {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

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

.footer__bottom p {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-sm);
}

.footer__location {
    font-size: var(--fs-xs);
}

/* ===================================
   Floating WhatsApp Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: var(--z-fixed);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    color: var(--color-text-light);
}

.whatsapp-float__tooltip {
    position: absolute;
    right: 75px;
    background: var(--color-text-dark);
    color: var(--color-text-light);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--transition-base);
}

.whatsapp-float__tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--color-text-dark);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* ===================================
   Animations - Scroll Reveal
   =================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===================================
   Media Queries - Responsive Design
   =================================== */

/* Extra Small Devices - 320px to 479px */
@media (max-width: 479px) {
    :root {
        /* Reduced spacing for tiny screens */
        --container-padding: 1rem;
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
        --space-5xl: 4rem;

        /* Smaller fonts for tiny screens */
        --fs-xs: 0.625rem;     /* 10px */
        --fs-sm: 0.75rem;      /* 12px */
        --fs-base: 0.875rem;   /* 14px */
        --fs-md: 1rem;         /* 16px */
        --fs-lg: 1.125rem;     /* 18px */
        --fs-xl: 1.25rem;      /* 20px */
        --fs-2xl: 1.5rem;      /* 24px */
        --fs-3xl: 1.75rem;     /* 28px */
        --fs-4xl: 2rem;        /* 32px */
    }

    /* Header adjustments */
    .header {
        padding: var(--space-sm) 0;
    }

    .header__container {
        padding: 0 var(--container-padding);
        gap: var(--space-sm);
    }

    .header__logo-img {
        height: 36px;
    }

    .header--scrolled .header__logo-img {
        height: 32px;
    }

    .header__menu-toggle {
        padding: var(--space-xs);
    }

    .header__menu-toggle span {
        width: 20px;
    }

    /* Mobile nav adjustments */
    .header__nav.active .header__nav-link {
        font-size: var(--fs-lg);
    }

    .header__nav.active .header__nav-list {
        gap: var(--space-xl);
    }

    /* Hero section - 320px */
    .hero {
        padding: calc(var(--space-5xl) + 1rem) var(--container-padding) var(--space-2xl);
        min-height: 100vh;
        min-height: 100dvh; /* Dynamic viewport height for mobile browsers */
        background-attachment: scroll; /* Fix for mobile performance */
    }

    .hero__badge {
        padding: var(--space-xs) var(--space-md);
        font-size: var(--fs-xs);
        letter-spacing: 0.05em;
        margin-bottom: var(--space-md);
    }

    .hero__title {
        font-size: var(--fs-3xl);
        line-height: 1.15;
        margin-bottom: var(--space-md);
        word-break: break-word;
    }

    .hero__subtitle {
        font-size: var(--fs-sm);
        line-height: 1.6;
        margin-bottom: var(--space-lg);
        padding: 0 var(--space-xs);
    }

    .hero__cta-group {
        gap: var(--space-sm);
        margin-bottom: var(--space-xl);
    }

    .hero__cta {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--fs-sm);
        width: 100%;
    }

    .hero__cta svg {
        width: 16px;
        height: 16px;
    }

    /* Stats - 320px */
    .hero__stats {
        gap: var(--space-sm);
        padding-top: var(--space-lg);
    }

    .hero__stat-number {
        font-size: var(--fs-xl);
    }

    .hero__stat-label {
        font-size: 0.5rem;
        letter-spacing: 0;
        line-height: 1.3;
    }

    /* Hide scroll indicator on very small screens */
    .hero__scroll-indicator {
        display: none;
    }

    /* Products section - 320px */
    .products {
        padding: var(--space-3xl) 0;
    }

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

    .products__badge {
        font-size: 0.625rem;
        padding: 0.2rem 0.5rem;
    }

    .products__title {
        font-size: var(--fs-2xl);
        line-height: 1.2;
    }

    .products__subtitle {
        font-size: var(--fs-sm);
    }

    .products__grid {
        gap: var(--space-md);
        margin-bottom: var(--space-xl);
    }

    .product-card__image-container {
        height: 160px;
    }

    .product-card__content {
        padding: var(--space-md);
    }

    .product-card__title {
        font-size: var(--fs-lg);
    }

    .product-card__description {
        font-size: var(--fs-xs);
        margin-bottom: var(--space-sm);
    }

    .product-card__link {
        font-size: var(--fs-xs);
    }

    .products__cta {
        padding: var(--space-lg);
    }

    .products__cta-text {
        font-size: var(--fs-base);
    }

    .products__cta-button {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--fs-sm);
        width: 100%;
        justify-content: center;
    }

    /* Value section - 320px */
    .value {
        padding: var(--space-3xl) 0;
    }

    .value__badge {
        font-size: 0.625rem;
    }

    .value__title {
        font-size: var(--fs-2xl);
        line-height: 1.25;
    }

    .value__description {
        font-size: var(--fs-sm);
        line-height: 1.7;
        margin-bottom: var(--space-lg);
    }

    .value__list {
        gap: var(--space-md);
    }

    .value__list-item {
        gap: var(--space-sm);
    }

    .value__list-icon {
        width: 20px;
        height: 20px;
    }

    .value__list-item strong {
        font-size: var(--fs-sm);
    }

    .value__list-item span {
        font-size: var(--fs-xs);
    }

    .value__image img {
        height: 250px;
    }

    .value__image-badge {
        bottom: var(--space-md);
        right: var(--space-md);
        padding: var(--space-sm) var(--space-md);
    }

    .value__image-badge-number {
        font-size: var(--fs-xl);
    }

    .value__image-badge-text {
        font-size: 0.5rem;
    }

    /* Contact section - 320px */
    .contact {
        padding: var(--space-3xl) 0;
    }

    .contact__badge {
        font-size: 0.625rem;
    }

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

    .contact__description {
        font-size: var(--fs-sm);
        margin-bottom: var(--space-lg);
    }

    .contact__methods {
        gap: var(--space-sm);
    }

    .contact__method {
        padding: var(--space-sm) var(--space-md);
        gap: var(--space-sm);
    }

    .contact__method-icon {
        width: 40px;
        height: 40px;
    }

    .contact__method-icon svg {
        width: 20px;
        height: 20px;
    }

    .contact__method-label {
        font-size: 0.5rem;
    }

    .contact__method-value {
        font-size: var(--fs-sm);
        word-break: break-word;
    }

    .contact__map {
        height: 200px;
    }

    /* Footer - 320px */
    .footer {
        padding: var(--space-xl) 0 var(--space-md);
    }

    .footer__logo {
        height: 45px;
    }

    .footer__tagline {
        font-size: var(--fs-xs);
    }

    .footer__links {
        gap: var(--space-sm) var(--space-md);
        margin-bottom: var(--space-md);
        padding-bottom: var(--space-md);
    }

    .footer__links a {
        font-size: var(--fs-xs);
    }

    .footer__bottom p {
        font-size: var(--fs-xs);
    }

    .footer__location {
        font-size: 0.625rem;
    }

    /* WhatsApp float - 320px */
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: var(--space-md);
        right: var(--space-md);
    }

    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }

    .whatsapp-float__tooltip {
        display: none; /* Hide tooltip on very small screens */
    }
}

/* Small phones landscape and slightly larger - 480px to 767px */
@media (min-width: 480px) and (max-width: 767px) {
    .hero__title {
        font-size: var(--fs-3xl);
    }

    .hero__stats {
        max-width: 400px;
        margin: 0 auto;
    }

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

    .hero__stat-label {
        font-size: var(--fs-xs);
    }

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

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

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

/* Tablet - 768px and up */
@media (min-width: 768px) {
    :root {
        --fs-4xl: 3.5rem;
        --fs-5xl: 4rem;
    }

    .hero__title {
        font-size: var(--fs-5xl);
    }

    .hero__cta-group {
        flex-direction: row;
        justify-content: center;
    }

    .hero__stats {
        max-width: 500px;
        margin: 0 auto;
    }

    .hero__stat-number {
        font-size: var(--fs-3xl);
    }

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

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

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

    .contact__map {
        height: 100%;
        min-height: 400px;
    }
}

/* Desktop - 1024px and up */
@media (min-width: 1024px) {
    :root {
        --fs-5xl: 4.5rem;
        --fs-6xl: 5rem;
    }

    .header__nav {
        display: block;
    }

    .header__cta {
        display: inline-flex;
    }

    .header__menu-toggle {
        display: none;
    }

    .hero {
        padding: var(--space-5xl) var(--container-padding);
    }

    .hero__title {
        font-size: var(--fs-6xl);
    }

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

    .hero__stats {
        max-width: 600px;
    }

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

    .product-card__image-container {
        height: 220px;
    }

    .value__title {
        font-size: var(--fs-4xl);
    }

    .value__image img {
        height: 500px;
    }
}

/* Large Desktop - 1280px and up */
@media (min-width: 1280px) {
    :root {
        --container-max: 1280px;
    }

    .hero__content {
        max-width: 900px;
    }

    .hero__cta {
        padding: var(--space-lg) var(--space-2xl);
        font-size: var(--fs-md);
    }

    .products__header {
        max-width: 700px;
    }
}

/* High contrast / prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Print styles */
@media print {
    .header,
    .whatsapp-float,
    .hero__scroll-indicator {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
        background: var(--color-primary) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}