/* ========================================
   LOJAS KELLI - MAIN STYLES
   Design: Apple-inspired, sophisticated
   ======================================== */

/* ========================================
   1. CSS VARIABLES & RESET
   ======================================== */
:root {
    /* Brand Colors */
    --color-primary: #FF8C42;
    --color-primary-dark: #E67A2E;
    --color-primary-light: #FFB380;
    --color-black: #000000;
    --color-accent: #5DADE2;
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-900: #111827;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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: 3rem;
    --font-size-6xl: 4rem;
    
    /* Layout */
    --container-width: 1200px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* 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 cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-apple: 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-white);
    overflow-x: hidden;
    padding-top: 120px; /* Espaço para o header fixo */
}

@media (max-width: 768px) {
    body {
        padding-top: 90px;
    }
}

/* ========================================
   2. HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-base);
}

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

/* Logo Header */
.header-logo {
    flex: 1;
    display: flex;
    justify-content: center;
    order: 2;
}

.header-logo a {
    display: inline-block;
    transition: transform var(--transition-base);
}

.header-logo a:hover {
    transform: scale(1.05);
}

.logo-header {
    height: 90px;
    max-height: 90px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.05));
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    order: 3;
    flex: 1;
    justify-content: flex-end;
}

/* Header Buttons */
.header-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.header-btn i {
    font-size: 1.2em;
}

/* Instagram Button */
.btn-instagram {
    background: linear-gradient(135deg, #833AB4 0%, #C13584 50%, #E1306C 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-instagram:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(131, 58, 180, 0.4);
}

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

/* WhatsApp Marketing Button */
.btn-whatsapp-marketing {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-whatsapp-marketing:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 66, 0.4);
}

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

/* Header Scroll Effect */
.header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.header.scrolled .logo-header {
    height: 75px;
    max-height: 75px;
}

/* Responsive Header */
@media (max-width: 968px) {
    .header-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-header {
        height: 70px;
        max-height: 70px;
    }
    
    .header.scrolled .logo-header {
        height: 60px;
        max-height: 60px;
    }
    
    .btn-text {
        display: none;
    }
    
    .header-btn {
        padding: var(--spacing-sm);
        width: 40px;
        height: 40px;
        justify-content: center;
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .header-logo {
        order: 1;
        flex: none;
    }
    
    .header-actions {
        order: 2;
        flex: none;
    }
    
    .header-container {
        justify-content: space-between;
    }
    
    .logo-header {
        height: 60px;
        max-height: 60px;
    }
    
    .header.scrolled .logo-header {
        height: 50px;
        max-height: 50px;
    }
}

/* ========================================
   3. CONTAINER & LAYOUT
   ======================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

/* ========================================
   4. HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

/* Headlines */
.headline {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

@media (max-width: 768px) {
    .headline {
        font-size: var(--font-size-3xl);
    }
}

.subheadline {
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .subheadline {
        font-size: var(--font-size-lg);
    }
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-apple);
    position: relative;
    overflow: hidden;
}

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

.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.cta-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
    background: var(--color-primary-dark);
}

.cta-primary:hover::before {
    opacity: 1;
}

.cta-primary:active {
    transform: translateY(-2px);
}

.cta-btn i {
    font-size: 1.4em;
}

@media (max-width: 768px) {
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* Hero Carousel */
.hero-carousel {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    background: var(--color-gray-100);
    min-height: 400px;
}

.carousel-track {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 400px;
    background: var(--color-gray-200);
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: 1;
}

.carousel-item.active {
    opacity: 1;
    z-index: 2;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: var(--color-gray-100);
}

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs);
    z-index: 10;
}

.indicator {
    width: 40px;
    height: 4px;
    border: none;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-base);
}

.indicator.active {
    background: var(--color-white);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--color-gray-300);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translate(-50%, 0); }
    50% { opacity: 0; transform: translate(-50%, 10px); }
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

/* ========================================
   5. SECTION TITLES
   ======================================== */
.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    text-align: center;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    font-weight: 400;
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
}