/* ===================================
   SIMADESA Landing Page - Modern CSS
   Version: 2.0
   =================================== */

/* Root Variables */
:root {
    /* Colors - Modern Palette */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-purple: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(228,100%,74%,1) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, hsla(189,100%,56%,1) 0px, transparent 50%),
                     radial-gradient(at 0% 50%, hsla(355,100%,93%,1) 0px, transparent 50%),
                     radial-gradient(at 80% 50%, hsla(340,100%,76%,1) 0px, transparent 50%),
                     radial-gradient(at 0% 100%, hsla(22,100%,77%,1) 0px, transparent 50%),
                     radial-gradient(at 80% 100%, hsla(242,100%,70%,1) 0px, transparent 50%),
                     radial-gradient(at 0% 0%, hsla(343,100%,76%,1) 0px, transparent 50%);
    
    /* Neutral Colors */
    --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;
    
    /* Typography */
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --container-width: 1280px;
    --section-padding: 120px;
    --section-padding-mobile: 60px;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.4);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--gray-800);
    background: #ffffff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 10000;
    transition: width 0.1s ease-out;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    gap: 48px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    text-decoration: none;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.logo-icon:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.logo-icon svg {
    width: 26px;
    height: 26px;
    color: white;
}

.logo-text h1 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    letter-spacing: -0.02em;
}

.logo-text p {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 500;
    line-height: 1;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.nav-link {
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--gray-50);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-demo {
    padding: 12px 28px;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 15px;
    border-radius: 12px;
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-2xl);
    z-index: 2000;
    padding: 32px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--gray-100);
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--gray-100);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.mobile-menu-close:hover {
    background: var(--gray-200);
}

.mobile-menu-close svg {
    width: 20px;
    height: 20px;
    color: var(--gray-700);
}

.mobile-link {
    display: block;
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 8px;
    transition: var(--transition);
}

.mobile-link:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.btn-demo.mobile {
    width: 100%;
    text-align: center;
    display: block;
    margin-top: 24px;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
}

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

.gradient-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #ffffff 0%, #f0f9ff 100%);
}

.mesh-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    opacity: 0.15;
    animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-10px, 10px) scale(1.05); }
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--gray-200) 1px, transparent 1px),
        linear-gradient(90deg, var(--gray-200) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: rgba(99, 102, 241, 0.3);
    top: -250px;
    right: -250px;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(139, 92, 246, 0.3);
    bottom: -200px;
    left: -200px;
    animation-delay: 7s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: rgba(6, 182, 212, 0.3);
    top: 50%;
    left: 30%;
    animation-delay: 14s;
}

.shape-4 {
    width: 300px;
    height: 300px;
    background: rgba(236, 72, 153, 0.3);
    bottom: 20%;
    right: 20%;
    animation-delay: 21s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
}

.hero-text {
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.hero-badge svg {
    width: 18px;
    height: 18px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.badge-glow {
    position: absolute;
    inset: -50%;
    background: conic-gradient(from 0deg, transparent, rgba(99, 102, 241, 0.3), transparent 30%);
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 28px;
    letter-spacing: -0.03em;
}

.gradient-text-animated {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-description {
    font-size: 20px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 40px;
}

.hero-description strong {
    color: var(--primary);
    font-weight: 700;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 14px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

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

.btn-glow {
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

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

.hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 2px solid var(--gray-100);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

.trust-item svg {
    width: 20px;
    height: 20px;
    color: var(--success);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(7, auto);
    gap: 32px;
    align-items: center;
    padding: 32px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 2px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-xl);
}

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

.stat-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 2px;
    height: 60px;
    background: var(--gray-200);
}

/* Hero Image */
.hero-image {
    position: relative;
}

.image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
}

.main-mockup {
    position: relative;
    width: 100%;
    height: 100%;
}

.mockup-glow {
    position: absolute;
    inset: -20%;
    background: var(--gradient-primary);
    border-radius: 30px;
    filter: blur(60px);
    opacity: 0.3;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}

.mockup-content {
    position: relative;
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    border-bottom: 1px solid var(--gray-200);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #f59e0b; }
.mockup-dots span:nth-child(3) { background: #10b981; }

.mockup-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-700);
}

.mockup-body {
    display: flex;
    height: calc(100% - 61px);
}

.mockup-sidebar {
    width: 80px;
    background: var(--gray-50);
    border-right: 1px solid var(--gray-200);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-item {
    width: 48px;
    height: 48px;
    background: var(--gray-200);
    border-radius: 12px;
    transition: var(--transition);
}

.sidebar-item.active {
    background: var(--primary);
}

.mockup-main {
    flex: 1;
    padding: 40px;
    display: flex;
    align-items: flex-end;
}

.chart-bars {
    display: flex;
    gap: 20px;
    align-items: flex-end;
    width: 100%;
    height: 200px;
}

.bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: 8px 8px 0 0;
    animation: barGrow 1.5s ease-out forwards;
    transform-origin: bottom;
}

@keyframes barGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0, 0, 0, 0.05);
    animation: floatCard 6s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -15%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 15%;
    left: -5%;
    animation-delay: 4s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.card-icon {
    font-size: 32px;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.card-status {
    font-size: 12px;
    color: var(--success);
    font-weight: 600;
}

.card-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.card-badge {
    font-size: 11px;
    padding: 4px 8px;
    background: var(--primary);
    color: white;
    border-radius: 6px;
    font-weight: 600;
}

.card-check {
    width: 32px;
    height: 32px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    z-index: 1;
    animation: bounce 2s infinite;
}

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

.mouse {
    width: 28px;
    height: 44px;
    border: 2px solid var(--gray-400);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

.arrow svg {
    width: 24px;
    height: 24px;
    color: var(--gray-400);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in-right {
    animation: fadeInRight 1s ease-out forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===================================
   SECTION COMMON STYLES
   =================================== */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 20px;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 40px;
    background: white;
    border-radius: 24px;
    border: 2px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(99, 102, 241, 0.2);
}

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

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
}

.feature-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.feature-description {
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0 8px 28px;
    font-size: 15px;
    color: var(--gray-700);
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

/* ===================================
   DEMO SECTION
   =================================== */
.demo-section {
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
}

.demo-content {
    max-width: 1100px;
    margin: 0 auto;
}

.demo-tabs {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.demo-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

.demo-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.demo-tab.active {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

.demo-tab svg {
    width: 20px;
    height: 20px;
}

.demo-viewer {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.demo-mockup {
    display: none;
}

.demo-mockup.active {
    display: block;
    animation: fadeInUp 0.6s ease-out;
}

.mockup-browser {
    background: white;
}

.browser-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    border-bottom: 1px solid var(--gray-200);
}

.browser-dots {
    display: flex;
    gap: 8px;
}

.browser-dots span {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}

.browser-dots span:nth-child(1) { background: #ef4444; }
.browser-dots span:nth-child(2) { background: #f59e0b; }
.browser-dots span:nth-child(3) { background: #10b981; }

.browser-url {
    flex: 1;
    padding: 10px 20px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

.browser-content {
    background: var(--gray-50);
    aspect-ratio: 16 / 10;
}

.browser-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.demo-cta {
    text-align: center;
    margin-top: 48px;
    padding: 48px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 24px;
    border: 2px dashed rgba(99, 102, 241, 0.2);
}

.demo-cta p {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 24px;
}

/* ===================================
   DEMO PREVIEW STYLES
   =================================== */
.demo-preview {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    padding: 40px;
    position: relative;
    min-height: 600px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-200);
}

.preview-header h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
}

.preview-badge {
    padding: 8px 16px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Dashboard Preview */
.dashboard-preview .preview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.preview-stat {
    background: white;
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
}

.preview-stat .stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.preview-stat .stat-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 600;
}

.preview-chart {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    height: 200px;
    margin-bottom: 32px;
    padding: 24px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
}

.chart-bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: 8px 8px 0 0;
    animation: barGrowPreview 1.5s ease-out forwards;
    transform-origin: bottom;
}

@keyframes barGrowPreview {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.preview-table {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
}

.table-row {
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    gap: 16px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    align-items: center;
}

.table-row:last-child {
    border-bottom: none;
}

.table-cell {
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 500;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-info {
    background: rgba(6, 182, 212, 0.1);
    color: var(--info);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

/* Form Preview */
.preview-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

.field-input {
    padding: 14px 20px;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 15px;
    color: var(--gray-600);
}

.field-upload {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: white;
    border: 2px dashed var(--gray-300);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.field-upload:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.02);
}

.field-upload svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.field-upload span {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

.preview-button {
    display: flex;
    justify-content: center;
}

.btn-submit {
    padding: 16px 48px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

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

/* Tracking Preview */
.tracking-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background: white;
    border-radius: 16px;
    margin-bottom: 32px;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
}

.tracking-code {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tracking-code span {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}

.tracking-code strong {
    font-size: 20px;
    color: var(--gray-900);
    font-weight: 800;
}

.tracking-timeline {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
    margin-bottom: 24px;
}

.timeline-item {
    display: flex;
    gap: 20px;
    position: relative;
    padding-bottom: 32px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 28px;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item.completed:not(:last-child)::before {
    background: var(--success);
}

.timeline-dot {
    width: 24px;
    height: 24px;
    background: var(--gray-200);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.timeline-item.completed .timeline-dot {
    background: var(--success);
}

.timeline-item.completed .timeline-dot::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 700;
}

.timeline-content {
    flex: 1;
}

.timeline-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.timeline-date {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}

.tracking-action {
    display: flex;
    justify-content: center;
}

.btn-download {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

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

.btn-download svg {
    width: 20px;
    height: 20px;
}

/* Preview Overlay */
.preview-overlay {
    position: absolute;
    inset: 0;
    background: rgba(37, 99, 235, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    border-radius: 0 0 24px 24px;
}

.browser-content:hover .preview-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: white;
}

.overlay-content svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    animation: pulse 2s ease-in-out infinite;
}

.overlay-content p {
    font-size: 20px;
    font-weight: 700;
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits {
    background: white;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
}

.benefits-list {
    display: grid;
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.benefit-item:hover {
    background: white;
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-lg);
    transform: translateX(8px);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.benefit-content h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.benefit-content p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-600);
}

.benefits-visual {
    position: relative;
}

.visual-card {
    padding: 48px;
    background: var(--gradient-primary);
    border-radius: 32px;
    text-align: center;
    box-shadow: var(--shadow-2xl);
    color: white;
}

.visual-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.visual-icon svg {
    width: 64px;
    height: 64px;
}

.visual-card h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
}

.visual-card p {
    font-size: 18px;
    line-height: 1.6;
    opacity: 0.9;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-card {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient-primary);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-2xl);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.2), transparent 30%);
    animation: rotate 4s linear infinite;
}

.about-card svg {
    width: 60%;
    height: 60%;
    color: white;
    position: relative;
    z-index: 1;
}

.about-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.about-features {
    display: grid;
    gap: 24px;
    margin-top: 48px;
}

.about-feature {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: white;
    border-radius: 16px;
    border: 2px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.about-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.2);
}

.about-feature-icon {
    font-size: 48px;
}

.about-feature h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.about-feature p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-600);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 48px;
    margin-top: 64px;
}

.contact-info {
    display: grid;
    gap: 24px;
}

.contact-card {
    padding: 32px;
    background: var(--gray-50);
    border-radius: 20px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.contact-card:hover {
    background: white;
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.contact-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.contact-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.contact-card p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-600);
}

.contact-form-wrapper {
    padding: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    box-shadow: var(--shadow-2xl);
}

.contact-form {
    display: grid;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    color: white;
}

.form-group input,
.form-group textarea {
    padding: 14px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 15px;
    font-family: var(--font-primary);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
}

.btn-full {
    width: 100%;
    justify-content: center;
    background: white;
    color: var(--primary);
    font-size: 17px;
    padding: 18px;
}

.btn-full:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
    color: white;
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 64px;
    margin-bottom: 64px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
}

.footer-logo p {
    font-size: 12px;
    opacity: 0.8;
}

.footer-description {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-4px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 8px;
}

.footer-bottom {
    padding: 32px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom strong {
    color: white;
    font-weight: 600;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .section-title {
        font-size: 44px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .benefits-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }
    
    .nav-links,
    .btn-demo {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-trust {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 24px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .hero-image {
        display: none;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .demo-tabs {
        flex-direction: column;
    }
    
    .demo-tab {
        width: 100%;
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-icon {
        font-size: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .navbar,
    .mobile-menu,
    .scroll-progress,
    .scroll-indicator,
    .floating-shapes {
        display: none;
    }
}