/* ========================================
   Farmácia Juquehy - Premium Landing Page
   Modern CSS with best practices
   ======================================== */

/* CSS Variables - Design System */
:root {
    /* Brand Colors */
    --color-primary: #D32F2F;
    --color-primary-dark: #B71C1C;
    --color-primary-light: #FFCDD2;
    --color-secondary: #2E7D32;
    --color-secondary-dark: #1B5E20;
    --color-secondary-light: #C8E6C9;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #EEEEEE;
    --color-gray-300: #E0E0E0;
    --color-gray-400: #BDBDBD;
    --color-gray-500: #9E9E9E;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;

    /* Accent Colors */
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    --color-star: #FFC107;

    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* 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;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-index Scale */
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal: 50;
}

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

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   Animations
   ======================================== */

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays */
.services-grid .service-card:nth-child(1) {
    transition-delay: 0ms;
}

.services-grid .service-card:nth-child(2) {
    transition-delay: 100ms;
}

.services-grid .service-card:nth-child(3) {
    transition-delay: 200ms;
}

.services-grid .service-card:nth-child(4) {
    transition-delay: 300ms;
}

.services-grid .service-card:nth-child(5) {
    transition-delay: 400ms;
}

.services-grid .service-card:nth-child(6) {
    transition-delay: 500ms;
}

.gallery-grid .gallery-item:nth-child(1) {
    transition-delay: 0ms;
}

.gallery-grid .gallery-item:nth-child(2) {
    transition-delay: 100ms;
}

.gallery-grid .gallery-item:nth-child(3) {
    transition-delay: 150ms;
}

.gallery-grid .gallery-item:nth-child(4) {
    transition-delay: 200ms;
}

.gallery-grid .gallery-item:nth-child(5) {
    transition-delay: 250ms;
}

.gallery-grid .gallery-item:nth-child(6) {
    transition-delay: 300ms;
}

.gallery-grid .gallery-item:nth-child(7) {
    transition-delay: 350ms;
}

.reviews-grid .review-card:nth-child(1) {
    transition-delay: 0ms;
}

.reviews-grid .review-card:nth-child(2) {
    transition-delay: 100ms;
}

.reviews-grid .review-card:nth-child(3) {
    transition-delay: 200ms;
}

/* ========================================
   Header
   ======================================== */

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md) 0;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.brand-logo img {
    height: 50px;
    width: auto;
    border-radius: var(--radius-sm);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.main-nav a {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    position: relative;
    padding: var(--space-xs) 0;
}

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

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

.main-nav a:hover::after {
    width: 100%;
}

.btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-whatsapp);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    transition: background var(--transition-base), transform var(--transition-base);
    cursor: pointer;
}

.btn-header-cta:hover {
    background: var(--color-whatsapp-dark);
    transform: translateY(-2px);
}

/* Mobile Header */
@media (max-width: 768px) {
    .main-header .container {
        justify-content: center;
        flex-direction: column;
        gap: var(--space-md);
    }

    .main-nav {
        display: none;
    }

    .brand-logo img {
        height: 45px;
        margin: 0 auto;
    }

    .btn-header-cta {
        display: none;
        /* Keep it clean on mobile header, use floating button or hero CTA */
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(0, 0, 0, 0.7) 0%,
            rgba(0, 0, 0, 0.5) 50%,
            rgba(0, 0, 0, 0.3) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 700px;
    color: var(--color-white);
    padding: var(--space-3xl) 0;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--space-xl);
}

.hero-content h1 strong {
    color: var(--color-primary-light);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--space-2xl);
}

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

@media (max-width: 768px) {
    .hero-content {
        text-align: center;
        max-width: 100%;
        padding: var(--space-2xl) 0;
    }

    .hero-buttons {
        justify-content: center;
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-whatsapp);
    color: var(--color-white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-primary:hover {
    background: var(--color-whatsapp-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

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

/* ========================================
   Section Headers
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-badge {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-md);
}

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

/* ========================================
   Services Section
   ======================================== */

.services-section {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-50);
}

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

.service-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

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

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-white));
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

/* ========================================
   Gallery Section
   ======================================== */

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 250px;
    gap: var(--space-md);
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-large {
    grid-column: span 2;
}

@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }

    .gallery-item-large {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }

    .gallery-item-large {
        grid-column: span 1;
    }
}

/* ========================================
   Reviews Section
   ======================================== */

.reviews-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

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

.review-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
}

.review-stars {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    color: var(--color-star);
}

.review-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.review-author {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.author-name {
    font-weight: 600;
    color: var(--color-gray-900);
}

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

.reviews-cta {
    text-align: center;
}

@media (max-width: 1024px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .reviews-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .review-stars {
        justify-content: center;
    }
}

/* ========================================
   Contact Section
   ======================================== */

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

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

.contact-info .section-header {
    text-align: left;
    margin-bottom: var(--space-xl);
}

@media (max-width: 768px) {
    .contact-info .section-header {
        text-align: center;
    }

    .info-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
        gap: var(--space-md);
    }
}

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

.info-card {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    transition: background var(--transition-base);
}

.info-card:hover {
    background: var(--color-gray-100);
}

.info-card-highlight {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1), rgba(37, 211, 102, 0.05));
    border: 1px solid rgba(37, 211, 102, 0.2);
}

.info-card-highlight:hover {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.15), rgba(37, 211, 102, 0.08));
}

.info-card-highlight .info-icon {
    color: var(--color-whatsapp);
}

.info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.info-content h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xs);
}

.info-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.info-content a {
    color: var(--color-primary);
    font-weight: 500;
}

.info-content a:hover {
    text-decoration: underline;
}

.contact-map {
    height: 500px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
}

@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-map {
        height: 350px;
    }
}

/* ========================================
   Footer
   ======================================== */

.main-footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-sm);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.footer-links nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-base);
}

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

.footer-contact p {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--space-xl);
    text-align: center;
}

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

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-logo {
        margin: 0 auto var(--space-lg);
    }

    .footer-links nav {
        align-items: center;
    }

    .footer-contact {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

/* ========================================
   Floating WhatsApp Button
   ======================================== */

.floating-whatsapp {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: var(--z-fixed);
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

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

/* Pulse animation */
.floating-whatsapp::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--color-whatsapp);
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }

    70% {
        transform: scale(1.3);
        opacity: 0;
    }

    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .floating-whatsapp {
        bottom: var(--space-lg);
        right: var(--space-lg);
        width: 56px;
        height: 56px;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

.text-center {
    text-align: center;
}

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