/* ==========================================
   SCADA Linker Box - Landing Page Styles
   Modern Industrial Tech Design
   ========================================== */

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

:root {
    /* Color Palette - Light Theme */
    --primary-dark: #FFFFFF;
    --primary-navy: #F8F9FA;
    --secondary-blue: #E9ECEF;
    --accent-cyan: #0066CC;
    --accent-green: #00A86B;
    --accent-cyan-light: #0080FF;
    --accent-green-light: #00C97A;
    --text-white: #212529;
    --text-light: #495057;
    --text-gray: #6C757D;
    --bg-dark: #F1F3F5;
    --bg-card: #FFFFFF;
    --border-gray: #DEE2E6;
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #00A86B 100%);
    --gradient-soft: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 168, 107, 0.1) 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-max: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 60px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(0, 102, 204, 0.25);
    --shadow-glow-green: 0 0 30px rgba(0, 168, 107, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

body {
    font-family: var(--font-primary);
    background: #FFFFFF;
    color: #495057;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-gray);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 25px 0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 500px;
    height: 350px;
    max-width: 70%;
    background: url('logo scada.png') no-repeat center;
    background-size: contain;
    opacity: 0.08;
    z-index: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.navbar.scrolled::before {
    width: 400px;
    height: 280px;
    opacity: 0.06;
}

.navbar.scrolled {
    padding: 20px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: #212529;
}

.logo {
    position: relative;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 90px;
    max-height: 90px;
    width: auto;
    max-width: 260px;
    object-fit: contain;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 2px 8px rgba(0, 102, 204, 0.3));
}

.logo:hover .logo-img {
    transform: scale(1.15);
    filter: drop-shadow(0 8px 24px rgba(0, 102, 204, 0.6));
}

.navbar.scrolled .logo-img {
    height: 70px;
    max-height: 70px;
    max-width: 220px;
}

/* Logo Animation Effects */
@keyframes logoShine {
    0% {
        filter: drop-shadow(0 2px 8px rgba(0, 102, 204, 0.3));
    }
    50% {
        filter: drop-shadow(0 4px 16px rgba(0, 102, 204, 0.5));
    }
    100% {
        filter: drop-shadow(0 2px 8px rgba(0, 102, 204, 0.3));
    }
}

.logo-img:not(:hover) {
    animation: logoShine 4s ease-in-out infinite;
}

/* Hero Logo */
.hero-logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out;
    position: relative;
}

.hero-logo-container::before {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.2), transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
    z-index: -1;
}

.hero-logo {
    height: 180px;
    width: auto;
    max-width: 90%;
    filter: drop-shadow(0 10px 40px rgba(0, 102, 204, 0.4));
    animation: float 4s ease-in-out infinite, pulse 3s ease-in-out infinite;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.hero-logo:hover {
    transform: scale(1.15);
    filter: drop-shadow(0 20px 60px rgba(0, 102, 204, 0.7));
}

/* Footer Logo */
.footer-logo-img {
    height: 70px;
    width: auto;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 2px 8px rgba(0, 102, 204, 0.3));
    margin-bottom: 16px;
}

.footer .logo:hover .footer-logo-img {
    transform: scale(1.15);
    filter: drop-shadow(0 6px 20px rgba(0, 102, 204, 0.6));
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: #495057;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

.nav-cta {
    background: var(--accent-cyan);
    color: #FFFFFF !important;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--accent-green);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 102, 204, 0.1);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.lang-switch:hover {
    background: var(--accent-cyan);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.lang-switch svg {
    width: 18px;
    height: 18px;
}

/* Buttons */
.btn {
    padding: 16px 36px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    border: none;
    cursor: pointer;
    transition: all var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

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

.btn-primary {
    background: var(--gradient-primary);
    background-size: 200% auto;
    color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-position: right center;
    transform: translateY(-4px) scale(1.03);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
    font-weight: var(--font-weight-semibold);
}

.btn-secondary:hover {
    background: var(--gradient-soft);
    border-color: var(--accent-green);
    color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: #495057;
    border: 2px solid var(--border-gray);
    font-weight: var(--font-weight-semibold);
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(0, 102, 204, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-lg {
    padding: 20px 48px;
    font-size: 18px;
    font-weight: var(--font-weight-bold);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 200px 0 140px;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 204, 0.05), transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 168, 107, 0.05), transparent 50%),
        linear-gradient(180deg, #FFFFFF 0%, #F8F9FA 100%);
    z-index: -1;
    overflow: hidden;
}

/* Animated Background Shapes */
.hero-background::before,
.hero-background::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.hero-background::before {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #0066CC, #00A86B);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-background::after {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #00A86B, #0066CC);
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    width: 1400px;
    height: 1050px;
    max-width: 200%;
    max-height: 200%;
    background: url('logo scada.png') no-repeat center;
    background-size: contain;
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
    animation: floatRotate 20s ease-in-out infinite;
}

@keyframes floatRotate {
    0% {
        transform: translate(-50%, -50%) rotate(-15deg) translateY(0px);
        opacity: 0.15;
    }
    25% {
        transform: translate(-45%, -55%) rotate(-18deg) translateY(-20px);
        opacity: 0.18;
    }
    50% {
        transform: translate(-50%, -50%) rotate(-15deg) translateY(-10px);
        opacity: 0.15;
    }
    75% {
        transform: translate(-55%, -45%) rotate(-12deg) translateY(20px);
        opacity: 0.18;
    }
    100% {
        transform: translate(-50%, -50%) rotate(-15deg) translateY(0px);
        opacity: 0.15;
    }
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 102, 204, 0.1);
    color: var(--accent-cyan);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 102, 204, 0.2);
}

.hero-title {
    font-size: 60px;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    color: #212529;
    letter-spacing: -1.2px;
    background: var(--gradient-primary);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 10s ease infinite;
}

.hero-subtitle {
    font-size: 21px;
    line-height: 1.85;
    color: #6C757D;
    margin-bottom: var(--spacing-xl);
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    font-weight: var(--font-weight-normal);
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 1px solid var(--border-gray);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    animation: slideInLeft 0.6s ease-out both;
}

.highlight-item:nth-child(1) { animation-delay: 0.1s; }
.highlight-item:nth-child(2) { animation-delay: 0.2s; }
.highlight-item:nth-child(3) { animation-delay: 0.3s; }
.highlight-item:nth-child(4) { animation-delay: 0.4s; }

.highlight-item:hover {
    background: rgba(0, 102, 204, 0.05);
    border-color: var(--accent-cyan);
    transform: translateX(8px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.15);
}

.highlight-icon svg {
    transition: all 0.4s;
}

.highlight-item:hover .highlight-icon svg {
    transform: scale(1.3) rotate(10deg);
    filter: drop-shadow(0 0 8px rgba(0, 102, 204, 0.5));
}

.highlight-icon {
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.highlight-item span {
    font-size: 14px;
    font-weight: 500;
    text-align: left;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-visual {
    margin-top: 80px;
    display: flex;
    justify-content: center;
}

.dashboard-mockup {
    background: #FFFFFF;
    border: 1px solid var(--border-gray);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 800px;
    animation: float 10s ease-in-out infinite;
}

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

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #F8F9FA;
    border-bottom: 1px solid var(--border-gray);
}

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

.dashboard-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-gray);
}

.dashboard-dots span:nth-child(1) { background: #FF5F57; }
.dashboard-dots span:nth-child(2) { background: #FFBD2E; }
.dashboard-dots span:nth-child(3) { background: #28CA42; }

.dashboard-title {
    font-size: 14px;
    color: #6C757D;
}

.dashboard-content {
    padding: 32px;
}

.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.metric-card {
    background: #F8F9FA;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-gray);
}

.metric-label {
    font-size: 12px;
    color: #6C757D;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-cyan);
}

.metric-value.success {
    color: var(--accent-green);
}

.metric-value.warning {
    color: #FFA500;
}

.dashboard-chart {
    background: #F8F9FA;
    border-radius: 12px;
    padding: 20px;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section-header h2 {
    font-size: 48px;
    font-weight: var(--font-weight-extrabold);
    color: #212529;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
    line-height: 1.2;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 5px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1s var(--transition-bounce);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.section-header.visible h2::after {
    width: 120px;
}

.section-subtitle {
    font-size: 19px;
    color: #6C757D;
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.8;
    font-weight: var(--font-weight-normal);
}

/* Solution Section */
.solution-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--primary-navy) 0%, #FFFFFF 100%);
    position: relative;
}

.solution-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.flow-item {
    text-align: center;
    flex: 0 0 180px;
    animation: fadeInUp 0.8s ease-out both;
}

.flow-item:nth-child(1) { animation-delay: 0.1s; }
.flow-item:nth-child(2) { animation-delay: 0.2s; }
.flow-item:nth-child(3) { animation-delay: 0.3s; }
.flow-item:nth-child(4) { animation-delay: 0.4s; }
.flow-item:nth-child(5) { animation-delay: 0.5s; }
.flow-item:nth-child(6) { animation-delay: 0.6s; }
.flow-item:nth-child(7) { animation-delay: 0.7s; }
.flow-item:nth-child(8) { animation-delay: 0.8s; }
.flow-item:nth-child(9) { animation-delay: 0.9s; }

.flow-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: #FFFFFF;
    border: 2px solid var(--border-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
}

.flow-icon::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    opacity: 0;
    transition: opacity 0.5s;
    animation: ripple 2s infinite;
}

.flow-item:hover .flow-icon::before {
    opacity: 0.3;
}

.flow-item:hover .flow-icon {
    border-color: var(--accent-cyan);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
    transform: scale(1.15) rotate(360deg);
}

.flow-item.highlight .flow-icon {
    background: rgba(0, 102, 204, 0.05);
    border-color: var(--accent-cyan);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

.flow-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: #212529;
    margin-bottom: 8px;
}

.flow-item p {
    font-size: 14px;
    color: #6C757D;
}

.flow-arrow {
    font-size: 32px;
    color: var(--accent-cyan);
    font-weight: 300;
}

/* Pain Solution Section */
.pain-solution-section {
    padding: var(--section-padding);
    background: #FFFFFF;
}

.pain-solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.column-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
}

.pain-title {
    color: #FF6B6B;
}

.solution-title {
    color: var(--accent-green);
}

.pain-items, .solution-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pain-item, .solution-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: #F8F9FA;
    border-radius: 12px;
    border: 1px solid var(--border-gray);
    transition: all 0.3s;
}

.pain-item:hover, .solution-item:hover {
    transform: translateX(8px);
    background: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.pain-icon, .solution-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.pain-item h4, .solution-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #212529;
    margin-bottom: 8px;
}

.pain-item p, .solution-item p {
    font-size: 14px;
    color: #6C757D;
}

/* Benefits Section */
.benefits-section {
    padding: var(--section-padding);
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.04), transparent 70%),
        var(--primary-navy);
    position: relative;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.benefit-card {
    background: #FFFFFF;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    transition: all var(--transition-bounce);
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.1), transparent);
    transition: left 0.5s;
}

.benefit-card:hover::before {
    left: 100%;
}

.benefit-card:hover {
    background: rgba(0, 102, 204, 0.02);
    border-color: var(--accent-cyan);
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    transition: all 0.4s;
    position: relative;
}

.benefit-card:hover .benefit-icon {
    transform: rotateY(360deg) scale(1.1);
    background: var(--accent-cyan);
    color: #FFFFFF;
    box-shadow: 0 8px 16px rgba(0, 102, 204, 0.3);
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #212529;
    margin-bottom: 16px;
}

.benefit-card p {
    font-size: 15px;
    color: #6C757D;
    line-height: 1.7;
}

/* Features Section */
.features-section {
    padding: var(--section-padding);
    background: #FFFFFF;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: #F8F9FA;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    padding: 36px;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-green), var(--accent-cyan));
    background-size: 400%;
    border-radius: 12px;
    opacity: 0;
    z-index: -1;
    animation: gradientShift 3s ease infinite;
    transition: opacity 0.4s;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    background: #FFFFFF;
    border-color: transparent;
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    margin-bottom: 20px;
    transition: all 0.5s;
}

.feature-card:hover .feature-icon {
    background: var(--accent-cyan);
    color: #FFFFFF;
    transform: rotateY(360deg) scale(1.1);
    box-shadow: 0 8px 16px rgba(0, 102, 204, 0.3);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #212529;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: #6C757D;
    line-height: 1.6;
}

/* Portfolio / Case Studies Section */
.portfolio-section {
    padding: var(--section-padding);
    background: #FFFFFF;
    position: relative;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.portfolio-card {
    background: #F8F9FA;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-bounce);
    box-shadow: var(--shadow-sm);
    aspect-ratio: 16 / 9;
}

.portfolio-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-cyan);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 168, 107, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.portfolio-placeholder svg {
    width: 100%;
    height: 100%;
    display: block;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

.portfolio-img[src] {
    display: block;
}

.portfolio-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 102, 204, 0.15), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0, 168, 107, 0.15), transparent 50%);
    z-index: 1;
    pointer-events: none;
}

.portfolio-title-overlay {
    position: absolute;
    bottom: 0;
    right: 0;
    padding: 16px 20px;
    z-index: 2;
}

.portfolio-title-overlay h3 {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: #FFFFFF;
    margin: 0;
    line-height: 1.4;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Clients / Logos Section */
.clients-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--primary-navy) 0%, #FFFFFF 100%);
    position: relative;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 40px;
    align-items: center;
    justify-items: center;
}

.client-logo {
    width: 100%;
    max-width: 200px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all var(--transition-bounce);
    filter: grayscale(100%);
    opacity: 0.6;
    box-shadow: var(--shadow-sm);
}

.client-logo:hover {
    transform: scale(1.08);
    filter: grayscale(0%);
    opacity: 1;
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-md);
}

.client-logo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

.client-logo-placeholder svg {
    width: 100%;
    height: auto;
    max-height: 60px;
}

.client-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: none;
    transition: all var(--transition-normal);
}

.client-logo-img[src] {
    display: block;
}

/* Pricing Section */
.pricing-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--primary-navy) 0%, #FFFFFF 100%);
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.pricing-card {
    background: #FFFFFF;
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    transition: all var(--transition-bounce);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.pricing-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, transparent, var(--accent-cyan), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}

.pricing-card:hover::after {
    opacity: 1;
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-xl);
}

.pricing-card.highlighted {
    border-color: var(--accent-cyan);
    background: rgba(0, 102, 204, 0.02);
    box-shadow: var(--shadow-md);
    animation: pulse 4s ease-in-out infinite;
}

.pricing-card.highlighted::after {
    opacity: 0.5;
}

.pricing-badge {
    display: inline-block;
    background: #E9ECEF;
    color: #6C757D;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.pricing-badge.highlight {
    background: var(--accent-cyan);
    color: #FFFFFF;
}

.pricing-name {
    font-size: 28px;
    font-weight: 800;
    color: #212529;
    margin-bottom: 12px;
}

.pricing-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-cyan);
    margin-bottom: 16px;
    line-height: 1.2;
}

.pricing-price::before {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 0 auto 12px;
    border-radius: 2px;
}

.pricing-desc {
    font-size: 15px;
    color: #6C757D;
    margin-bottom: 32px;
    line-height: 1.6;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #495057;
}

.pricing-feature svg {
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.pricing-feature strong {
    color: var(--accent-cyan);
}

.pricing-feature.disabled {
    opacity: 1;
    color: #6C757D;
}

.pricing-feature.disabled svg {
    color: #DC3545;
    stroke-width: 3;
    opacity: 1;
}

.pricing-feature.disabled span {
    text-decoration: line-through;
    color: #6C757D;
    text-decoration-thickness: 2px;
    text-decoration-color: #DC3545;
    font-weight: 500;
}

.pricing-note {
    margin-top: 24px;
    margin-bottom: 24px;
    padding: 16px;
    background: rgba(0, 102, 204, 0.05);
    border-left: 3px solid var(--accent-cyan);
    border-radius: var(--radius-sm);
}

.pricing-note p {
    margin: 0;
    font-size: 13px;
    color: #6C757D;
    line-height: 1.6;
}

.pricing-note p:first-child {
    margin-bottom: 8px;
    font-weight: var(--font-weight-semibold);
}

.pricing-note strong {
    color: var(--accent-cyan);
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

/* Why Choose Section */
.why-choose-section {
    padding: var(--section-padding);
    background: #FFFFFF;
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.why-card {
    background: #F8F9FA;
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    padding: 40px 32px;
    position: relative;
    transition: all 0.3s;
}

.why-card:hover {
    background: #FFFFFF;
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.why-number {
    position: absolute;
    top: -20px;
    left: 32px;
    width: 60px;
    height: 60px;
    background: var(--accent-cyan);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.why-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #212529;
    margin-top: 20px;
    margin-bottom: 16px;
}

.why-card p {
    font-size: 15px;
    color: #6C757D;
    line-height: 1.7;
}

/* Final CTA Section */
.final-cta-section {
    padding: 100px 0;
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.08), transparent 60%),
        linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
    text-align: center;
}

.final-cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    color: #212529;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.final-cta-content > p {
    font-size: 20px;
    color: #6C757D;
    margin-bottom: 48px;
}

.final-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.contact-info {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #6C757D;
    font-size: 16px;
}

.contact-item svg {
    color: var(--accent-cyan);
}

/* Footer */
.footer {
    background: #F8F9FA;
    border-top: 1px solid var(--border-gray);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 16px;
    color: #6C757D;
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: #212529;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: #6C757D;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-gray);
    font-size: 14px;
    color: #6C757D;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: #6C757D;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-legal a:hover {
    color: var(--accent-cyan);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #FFFFFF;
    border: 1px solid var(--border-gray);
    border-radius: 16px;
    padding: 48px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: #6C757D;
    font-size: 32px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s;
}

.modal-close:hover {
    background: #F8F9FA;
    color: #212529;
}

.modal-content h2 {
    font-size: 32px;
    font-weight: var(--font-weight-extrabold);
    color: #212529;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.modal-content > p {
    color: #6C757D;
    margin-bottom: 32px;
    line-height: 1.7;
    font-size: 15px;
}

/* Contact Form */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
    padding: 20px;
    background: rgba(0, 102, 204, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.contact-method-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #495057;
}

.contact-method-item svg {
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.contact-method-item span:first-of-type {
    font-weight: var(--font-weight-semibold);
    min-width: 80px;
}

.contact-method-item a {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-normal);
}

.contact-method-item a:hover {
    color: var(--accent-green);
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: #F8F9FA;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    color: #212529;
    font-family: var(--font-primary);
    font-size: 15px;
    transition: all var(--transition-normal);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #ADB5BD;
    font-style: italic;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: #FFFFFF;
}

.form-group textarea {
    resize: vertical;
}

/* Responsive Design */
/* Large Desktop (1440px and above) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 64px;
    }
    
    .section-header h2 {
        font-size: 52px;
    }
}

/* Desktop (1024px - 1439px) */
@media (max-width: 1439px) and (min-width: 1024px) {
    .container {
        max-width: 1200px;
        padding: 0 32px;
    }
}

/* Tablet Large (992px - 1023px) */
@media (max-width: 1023px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .container {
        padding: 0 24px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .section-header h2 {
        font-size: 40px;
    }
    
    .section-subtitle {
        font-size: 17px;
    }
    
    .pain-solution-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet (768px - 991px) */
@media (max-width: 991px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 14px;
    }
    
    .logo-img {
        height: 85px;
        max-height: 85px;
        max-width: 240px;
    }
    
    .hero {
        padding: 160px 0 100px;
    }
    
    .hero-logo {
        height: 140px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 40px;
    }
    
    .hero-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .dashboard-mockup {
        max-width: 100%;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .solution-flow {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .flow-item {
        flex: 0 0 calc(50% - 12px);
    }
    
    .flow-arrow {
        display: none;
    }
    
    .flow-icon {
        width: 90px;
        height: 90px;
    }
    
    .benefits-grid,
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 24px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-choose-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .final-cta-content h2 {
        font-size: 38px;
    }
    
    .contact-info {
        gap: 30px;
    }
}

/* Mobile Large (576px - 767px) */
@media (max-width: 767px) {
    :root {
        --section-padding: 50px 0;
    }
    
    .navbar {
        padding: 16px 0;
    }
    
    .nav-content {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .nav-links {
        gap: 16px;
        flex-wrap: wrap;
        width: 100%;
        order: 3;
        justify-content: flex-start;
    }
    
    .nav-links a {
        font-size: 13px;
    }
    
    .navbar::before {
        width: 300px;
        height: 210px;
        right: 2%;
        opacity: 0.05;
    }
    
    .logo-img {
        height: 75px !important;
        max-height: 75px !important;
        max-width: 210px !important;
    }
    
    .navbar.scrolled .logo-img {
        height: 65px !important;
        max-height: 65px !important;
        max-width: 185px !important;
    }
    
    .hero-content::before {
        width: 900px;
        height: 675px;
        opacity: 0.12;
        transform: translate(-50%, -50%) rotate(-15deg);
    }
    
    .hero-logo {
        height: 120px !important;
    }
    
    .footer-logo-img {
        height: 50px !important;
    }
    
    .lang-switch {
        margin-left: auto;
        padding: 6px 14px;
        font-size: 12px;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-badge {
        font-size: 13px;
        padding: 6px 16px;
    }
    
    .hero-title {
        font-size: 36px;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 17px;
        margin-bottom: 36px;
    }
    
    .hero-highlights {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 40px;
    }
    
    .highlight-item {
        padding: 14px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .dashboard-metrics {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .solution-flow {
        flex-direction: column;
        align-items: center;
    }
    
    .flow-item {
        flex: 0 0 auto;
        width: 100%;
        max-width: 250px;
    }
    
    .flow-arrow {
        display: block;
        transform: rotate(90deg);
        margin: -8px 0;
    }
    
    .flow-icon {
        width: 80px;
        height: 80px;
    }
    
    .flow-item h3 {
        font-size: 16px;
    }
    
    .column-title {
        font-size: 24px;
    }
    
    .pain-item,
    .solution-item {
        padding: 20px;
    }
    
    .pain-icon,
    .solution-icon {
        font-size: 28px;
    }
    
    .benefits-grid,
    .features-grid,
    .pricing-grid,
    .why-choose-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .benefit-card,
    .feature-card,
    .pricing-card,
    .why-card {
        padding: 32px 24px;
    }
    
    .final-cta-section {
        padding: 80px 0;
    }
    
    .final-cta-content h2 {
        font-size: 32px;
    }
    
    .final-cta-content > p {
        font-size: 18px;
    }
    
    .final-cta-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .final-cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
    
    .footer {
        padding: 50px 0 24px;
    }
    
    .footer-content {
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 32px 24px;
        width: 95%;
    }
    
    .modal-content h2 {
        font-size: 28px;
    }
    
    .contact-methods {
        padding: 16px;
        gap: 10px;
    }
    
    .contact-method-item {
        font-size: 13px;
        flex-wrap: wrap;
    }
    
    .contact-method-item span:first-of-type {
        min-width: 60px;
    }
}

/* Mobile Medium (480px - 575px) */
@media (max-width: 575px) {
    .container {
        padding: 0 16px;
    }
    
    .navbar::before {
        display: none;
    }
    
    .logo-img {
        height: 70px !important;
        max-height: 70px !important;
        max-width: 200px !important;
    }
    
    .navbar.scrolled .logo-img {
        height: 60px !important;
        max-height: 60px !important;
        max-width: 170px !important;
    }
    
    .hero-content::before {
        width: 800px;
        height: 600px;
        opacity: 0.1;
        transform: translate(-50%, -50%) rotate(-15deg);
    }
    
    .hero-logo {
        height: 100px !important;
    }
    
    .footer-logo-img {
        height: 45px !important;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.4;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    .flow-item h3 {
        font-size: 15px;
    }
    
    .flow-item p {
        font-size: 13px;
    }
    
    .column-title {
        font-size: 22px;
    }
    
    .pain-item h4,
    .solution-item h4 {
        font-size: 16px;
    }
    
    .pain-item p,
    .solution-item p {
        font-size: 13px;
    }
    
    .benefit-card h3,
    .feature-card h3,
    .why-card h3 {
        font-size: 18px;
    }
    
    .benefit-card p,
    .feature-card p,
    .why-card p {
        font-size: 14px;
    }
    
    .pricing-name {
        font-size: 24px;
    }
    
    .pricing-desc {
        font-size: 13px;
    }
    
    .final-cta-content h2 {
        font-size: 28px;
    }
    
    .final-cta-content > p {
        font-size: 16px;
    }
    
    .contact-item {
        font-size: 14px;
    }
}

/* Mobile Small (320px - 479px) */
@media (max-width: 479px) {
    .container {
        padding: 0 12px;
    }
    
    .logo-img {
        height: 65px !important;
        max-height: 65px !important;
        max-width: 185px !important;
    }
    
    .navbar.scrolled .logo-img {
        height: 55px !important;
        max-height: 55px !important;
        max-width: 155px !important;
    }
    
    .hero-content::before {
        width: 700px;
        height: 525px;
        opacity: 0.08;
        transform: translate(-50%, -50%) rotate(-15deg);
    }
    
    .hero-logo {
        height: 90px !important;
    }
    
    .footer-logo-img {
        height: 40px !important;
    }
    
    .nav-links {
        gap: 12px;
    }
    
    .nav-links a {
        font-size: 12px;
    }
    
    .nav-cta {
        padding: 8px 16px;
    }
    
    .lang-switch {
        padding: 5px 12px;
        font-size: 11px;
    }
    
    .hero {
        padding: 110px 0 50px;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 5px 14px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .highlight-item {
        padding: 12px;
    }
    
    .highlight-item span {
        font-size: 13px;
    }
    
    .btn {
        padding: 11px 20px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 13px 24px;
        font-size: 15px;
    }
    
    .section-header {
        margin-bottom: 32px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .flow-icon {
        width: 70px;
        height: 70px;
    }
    
    .flow-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .column-title {
        font-size: 20px;
    }
    
    .pain-item,
    .solution-item {
        padding: 16px;
        gap: 16px;
    }
    
    .pain-icon,
    .solution-icon {
        font-size: 24px;
    }
    
    .benefit-card,
    .feature-card,
    .pricing-card,
    .why-card,
    .portfolio-card {
        padding: 24px 20px;
    }
    
    .portfolio-title-overlay {
        padding: 16px 20px;
        max-width: 85%;
    }
    
    .portfolio-title-overlay h3 {
        font-size: 16px;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .client-logo {
        height: 80px;
        padding: 15px;
    }
    
    .benefit-icon,
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .benefit-icon svg,
    .feature-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .why-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
        top: -15px;
        left: 24px;
    }
    
    .final-cta-section {
        padding: 60px 0;
    }
    
    .final-cta-content h2 {
        font-size: 24px;
    }
    
    .final-cta-content > p {
        font-size: 15px;
    }
    
    .modal-content {
        padding: 24px 20px;
    }
    
    .modal-content h2 {
        font-size: 24px;
    }
    
    .modal-close {
        width: 36px;
        height: 36px;
        font-size: 28px;
    }
}

/* Extra Small Devices (max-width: 319px) */
@media (max-width: 319px) {
    .hero-title {
        font-size: 22px;
    }
    
    .section-header h2 {
        font-size: 22px;
    }
    
    .btn-lg {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    overflow-x: hidden;
}

/* Ensure floating buttons are always visible */
body {
    position: relative;
}

.line-contact-btn,
.scroll-to-top-btn {
    pointer-events: auto !important;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

* {
    transition: color var(--transition-normal), 
                background-color var(--transition-normal),
                border-color var(--transition-normal),
                transform var(--transition-normal),
                box-shadow var(--transition-normal);
}

a, button {
    transition: all var(--transition-normal);
}

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes shimmerNav {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: -100%;
    }
}

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

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

@keyframes ripple {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}


.section-header {
    animation: fadeInUp 0.8s ease-out;
}

/* LINE Contact Button */
.line-contact-btn {
    position: fixed !important;
    bottom: 100px !important;
    right: 30px !important;
    width: 60px !important;
    height: 60px !important;
    background: linear-gradient(135deg, #06C755 0%, #00A86B 100%) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    box-shadow: 0 4px 16px rgba(6, 199, 85, 0.4) !important;
    z-index: 9999 !important;
    transition: all var(--transition-bounce) !important;
    animation: pulse 2s ease-in-out infinite !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.line-contact-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(6, 199, 85, 0.6);
}

.line-contact-btn svg {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(6, 199, 85, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(6, 199, 85, 0.6);
    }
}

/* Scroll to Top Button */
.scroll-to-top-btn {
    position: fixed !important;
    bottom: 30px !important;
    right: 30px !important;
    width: 50px !important;
    height: 50px !important;
    background: var(--gradient-primary) !important;
    border-radius: 50% !important;
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    box-shadow: var(--shadow-lg) !important;
    z-index: 9999 !important;
    transition: all var(--transition-bounce) !important;
    color: #FFFFFF !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.scroll-to-top-btn.show {
    display: flex !important;
    animation: fadeInUp 0.3s ease-out !important;
}

.scroll-to-top-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.4);
}

.scroll-to-top-btn svg {
    width: 24px;
    height: 24px;
}

/* Responsive adjustments for floating buttons */
@media (max-width: 768px) {
    .line-contact-btn {
        width: 55px;
        height: 55px;
        bottom: 90px;
        right: 20px;
    }
    
    .line-contact-btn svg {
        width: 28px;
        height: 28px;
    }
    
    .scroll-to-top-btn {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    
    .scroll-to-top-btn svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .line-contact-btn {
        width: 50px;
        height: 50px;
        bottom: 80px;
        right: 15px;
    }
    
    .line-contact-btn svg {
        width: 24px;
        height: 24px;
    }
    
    .scroll-to-top-btn {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
    }
    
    .scroll-to-top-btn svg {
        width: 18px;
        height: 18px;
    }
}