/* ========================================
   ÁLBUM MODERNO - MAIN STYLES
   Modern Photo Album Website
   ======================================== */

/* ========== CSS VARIABLES ========== */
:root {
    /* Primary Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    
    /* Secondary Colors */
    --secondary-color: #0ea5e9;
    --secondary-dark: #0284c7;
    --secondary-light: #38bdf8;
    
    /* Accent Colors */
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fbbf24;
    
    /* Success/Error Colors */
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Background Colors */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-dark: rgba(0, 0, 0, 0.3);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;
    --fs-7xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 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);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --shadow-glow-lg: 0 0 60px rgba(99, 102, 241, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-loading: 9999;
}

/* ========== BASE STYLES ========== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: var(--fs-5xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-light);
}

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

/* ========== UTILITY CLASSES ========== */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--fs-4xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: var(--fs-lg);
    color: var(--text-tertiary);
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

.section-header {
    margin-bottom: var(--space-16);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-hero-primary {
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--space-4) var(--space-8);
    font-size: var(--fs-lg);
    box-shadow: var(--shadow-glow);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-lg);
    color: var(--white);
}

.btn-hero-secondary {
    background: transparent;
    color: var(--white);
    padding: var(--space-4) var(--space-8);
    font-size: var(--fs-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--white);
}

.btn-nav-cta {
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--space-2) var(--space-5);
    font-size: var(--fs-sm);
    border-radius: var(--radius-full);
}

.btn-nav-cta:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
    color: var(--white);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
    z-index: 1;
}

.btn-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* ========== NAVIGATION ========== */
.glass-nav {
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-3) 0;
    transition: all var(--transition-base);
}

.glass-nav.scrolled {
    background: rgba(15, 15, 26, 0.95);
    padding: var(--space-2) 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--white);
}

.navbar-brand:hover {
    color: var(--white);
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    font-size: var(--fs-lg);
}

.brand-text {
    font-weight: 700;
}

.brand-highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav {
    gap: var(--space-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4) !important;
    color: var(--text-secondary) !important;
    font-weight: 500;
    position: relative;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white) !important;
}

.nav-icon {
    font-size: var(--fs-sm);
    opacity: 0.7;
}

.nav-indicator {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.nav-link:hover .nav-indicator,
.nav-link.active .nav-indicator {
    width: 80%;
}

/* Hamburger Menu */
.hamburger-menu {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background: var(--white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.hamburger-menu[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== HERO SECTION ========== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero-canvas-container {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    padding: var(--space-20) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    color: var(--primary-light);
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, var(--fs-7xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
}

.hero-description {
    font-size: var(--fs-lg);
    color: var(--text-tertiary);
    max-width: 540px;
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-6);
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

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

.stat-number {
    font-size: var(--fs-3xl);
    font-weight: 800;
    color: var(--white);
    display: inline;
}

.stat-suffix {
    font-size: var(--fs-2xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-stack {
    position: relative;
    width: 100%;
    height: 500px;
}

.stack-image {
    position: absolute;
    width: 250px;
    height: 320px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transition: all var(--transition-slow);
}

.stack-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stack-1 {
    top: 0;
    left: 0;
    z-index: 3;
    transform: rotate(-5deg);
}

.stack-2 {
    top: 50px;
    left: 100px;
    z-index: 2;
    transform: rotate(3deg);
}

.stack-3 {
    top: 100px;
    left: 200px;
    z-index: 1;
    transform: rotate(-8deg);
}

.hero-image-stack:hover .stack-1 {
    transform: rotate(-10deg) translateY(-10px);
}

.hero-image-stack:hover .stack-2 {
    transform: rotate(8deg) translateX(10px);
}

.hero-image-stack:hover .stack-3 {
    transform: rotate(-12deg) translateY(10px);
}

.hero-floating-card {
    position: absolute;
    bottom: 50px;
    left: -30px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

.hero-floating-card .card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: var(--fs-xl);
}

.hero-floating-card .card-number {
    display: block;
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--gray-900);
}

.hero-floating-card .card-text {
    font-size: var(--fs-sm);
    color: var(--gray-500);
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-element {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--primary-light);
    font-size: var(--fs-xl);
    animation: floatRandom 10s ease-in-out infinite;
}

.fe-1 { top: 20%; left: 10%; animation-delay: 0s; }
.fe-2 { top: 60%; left: 5%; animation-delay: 1s; }
.fe-3 { top: 30%; right: 15%; animation-delay: 2s; }
.fe-4 { top: 70%; right: 10%; animation-delay: 3s; }
.fe-5 { top: 85%; left: 30%; animation-delay: 4s; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-tertiary);
    font-size: var(--fs-sm);
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel 1.5s infinite;
}

/* ========== GALLERY SECTION ========== */
.gallery-section {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.section-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(99, 102, 241, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.5;
}

/* Gallery Filters */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-12);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

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

.gallery-item-tall {
    grid-row: span 2;
}

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

.gallery-image {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 250px;
    overflow: hidden;
}

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

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.overlay-content {
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.gallery-item:hover .overlay-content {
    transform: translateY(0);
}

.overlay-category {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-2);
}

.overlay-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-1);
}

.overlay-description {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    margin-bottom: 0;
}

.overlay-icon {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: var(--radius-full);
    color: var(--gray-900);
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transition-base);
}

.gallery-item:hover .overlay-icon {
    opacity: 1;
    transform: scale(1);
}

/* Load More Button */
.gallery-load-more {
    margin-top: var(--space-12);
}

.btn-load-more {
    background: transparent;
    color: var(--white);
    padding: var(--space-3) var(--space-8);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.btn-load-more:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

/* ========== KITS SECTION ========== */
.kits-section {
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

.kits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.kit-card {
    position: relative;
}

.kit-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-4);
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--white);
    white-space: nowrap;
    z-index: 10;
    box-shadow: var(--shadow-glow);
}

.kit-badge-custom {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.kit-card-inner {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    height: 100%;
    transition: all var(--transition-base);
}

.kit-card:hover .kit-card-inner {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

.kit-featured .kit-card-inner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-color: rgba(99, 102, 241, 0.3);
}

.kit-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.kit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    font-size: var(--fs-3xl);
    color: var(--white);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-glow);
}

.kit-name {
    font-size: var(--fs-2xl);
    font-weight: 800;
    margin-bottom: var(--space-1);
}

.kit-tagline {
    color: var(--text-tertiary);
    font-size: var(--fs-sm);
    margin-bottom: 0;
}

.kit-price {
    text-align: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-currency {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--text-tertiary);
    vertical-align: top;
}

.price-value {
    font-size: var(--fs-5xl);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: var(--fs-base);
    color: var(--text-tertiary);
}

.kit-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.kit-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

.kit-features li i {
    font-size: var(--fs-sm);
    color: var(--success-color);
}

.kit-features li.disabled {
    color: var(--text-muted);
}

.kit-features li.disabled i {
    color: var(--text-muted);
}

.btn-kit {
    width: 100%;
    background: transparent;
    color: var(--white);
    padding: var(--space-3);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
}

.btn-kit:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.btn-kit-primary {
    background: var(--primary-gradient);
    border-color: transparent;
}

/* Upload Section */
.upload-section {
    max-width: 800px;
    margin: 0 auto;
}

.upload-container {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
}

.upload-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.upload-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    font-size: var(--fs-3xl);
    color: var(--white);
    margin-bottom: var(--space-4);
}

.upload-header h3 {
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-2);
}

.upload-header p {
    color: var(--text-tertiary);
    margin-bottom: 0;
}

.upload-dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-dropzone:hover,
.upload-dropzone.drag-over {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.dropzone-icon {
    font-size: var(--fs-5xl);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}

.dropzone-text {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.dropzone-or {
    display: block;
    color: var(--text-muted);
    margin: var(--space-4) 0;
}

.btn-upload-browse {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-upload-browse:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.dropzone-info {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin-top: var(--space-4);
    margin-bottom: 0;
}

.upload-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.upload-preview .preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.upload-preview .preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-preview .preview-item .remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    background: var(--error-color);
    border: none;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: var(--fs-xs);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========== ABOUT SECTION ========== */
.about-section {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
}

.about-image-container {
    position: relative;
    padding: var(--space-8);
}

.about-image-main {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.about-image-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.image-overlay-pattern {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
}

.about-image-float {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 180px;
    height: 180px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 4px solid var(--bg-secondary);
    box-shadow: var(--shadow-xl);
    animation: float 4s ease-in-out infinite;
}

.about-image-float img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    top: 30px;
    left: 0;
    background: var(--primary-gradient);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-glow);
}

.experience-number {
    display: block;
    font-size: var(--fs-3xl);
    font-weight: 800;
    color: var(--white);
}

.experience-text {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.8);
}

.about-content {
    padding-left: var(--space-8);
}

.about-description {
    font-size: var(--fs-lg);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.about-features {
    margin: var(--space-8) 0;
}

.feature-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.feature-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    font-size: var(--fs-xl);
    color: var(--primary-light);
}

.feature-content h4 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.feature-content p {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    margin-bottom: 0;
}

.about-stats {
    display: flex;
    gap: var(--space-8);
    padding: var(--space-6);
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
}

.about-stat-item {
    text-align: center;
}

/* ========== TESTIMONIALS SECTION ========== */
.testimonials-section {
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
}

.testimonial-rating {
    margin-bottom: var(--space-4);
}

.testimonial-rating i {
    color: var(--accent-color);
    font-size: var(--fs-lg);
}

.testimonial-text {
    font-size: var(--fs-lg);
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.author-info h5 {
    font-size: var(--fs-base);
    font-weight: 700;
    margin-bottom: 0;
}

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

/* ========== CONTACT SECTION ========== */
.contact-section {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.contact-info {
    height: 100%;
}

.contact-card {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin-bottom: var(--space-6);
}

.contact-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    font-size: var(--fs-lg);
    color: var(--white);
}

.contact-details h4 {
    font-size: var(--fs-base);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.contact-details p {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    margin-bottom: 0;
}

.social-links h4 {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-4);
}

.social-icons {
    display: flex;
    gap: var(--space-3);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--fs-base);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder {
    color: var(--text-muted);
}

.input-wrapper input:focus,
.input-wrapper select:focus,
.input-wrapper textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.input-wrapper input:focus + .input-focus-line,
.input-wrapper select:focus + .input-focus-line,
.input-wrapper textarea:focus + .input-focus-line {
    width: 100%;
}

.input-wrapper:focus-within i {
    color: var(--primary-color);
}

.input-focus-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.textarea-wrapper {
    height: auto;
}

.textarea-wrapper i {
    top: var(--space-4);
    transform: none;
}

.textarea-wrapper textarea {
    min-height: 120px;
    resize: vertical;
}

.select-wrapper select {
    appearance: none;
    cursor: pointer;
}

.select-wrapper::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.error-message {
    display: block;
    font-size: var(--fs-xs);
    color: var(--error-color);
    margin-top: var(--space-1);
    min-height: 18px;
}

.btn-submit {
    width: 100%;
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--space-4);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--fs-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-glow);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-lg);
}

.btn-submit .btn-loading,
.btn-submit .btn-success {
    display: none;
}

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loading { display: inline; }

.btn-submit.success .btn-text { display: none; }
.btn-submit.success .btn-success { display: inline; }
.btn-submit.success { background: var(--success-color); }

/* ========== FOOTER ========== */
.footer {
    position: relative;
    background: var(--bg-primary);
    padding-top: var(--space-16);
}

.footer-wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: translateY(-99%);
}

.footer-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.footer-wave path {
    fill: var(--bg-primary);
}

.footer-brand {
    margin-bottom: var(--space-6);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-4);
}

.footer-logo i {
    font-size: var(--fs-2xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: var(--text-tertiary);
    font-size: var(--fs-sm);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.footer-social {
    display: flex;
    gap: var(--space-2);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    color: var(--white);
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--text-tertiary);
    font-size: var(--fs-sm);
    transition: color var(--transition-fast);
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-tertiary);
    font-size: var(--fs-sm);
}

.footer-contact li i {
    color: var(--primary-light);
    width: 16px;
}

.footer-bottom {
    margin-top: var(--space-12);
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright,
.footer-credit {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin-bottom: 0;
}

.footer-credit i {
    color: var(--error-color);
}

/* ========== TOAST NOTIFICATIONS ========== */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 3px solid var(--success-color);
}

.toast.error {
    border-left: 3px solid var(--error-color);
}

.toast-icon {
    font-size: var(--fs-xl);
}

.toast.success .toast-icon {
    color: var(--success-color);
}

.toast.error .toast-icon {
    color: var(--error-color);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.toast-message {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-1);
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: var(--fs-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-glow);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow-lg);
}

/* ========== CUSTOM CURSOR ========== */
.custom-cursor {
    position: fixed;
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    pointer-events: none;
    z-index: 10000;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
}

.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-full);
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease;
}

.cursor-follower.hover {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
}

/* Hide custom cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    .custom-cursor,
    .cursor-follower {
        display: none;
    }
}

/* ========== KEYFRAME ANIMATIONS ========== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes floatRandom {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10px, -10px) rotate(5deg); }
    50% { transform: translate(-5px, -20px) rotate(-5deg); }
    75% { transform: translate(-15px, -10px) rotate(3deg); }
}

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

@keyframes wheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}