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

:root {
    --bg-primary: #050814;
    --bg-card: #0A0F1E;
    --accent-cyan: #20E0FF;
    --accent-green: #6AF3C5;
    --text-primary: #FFFFFF;
    --text-muted: #A5B0C5;
    --border-color: rgba(255, 255, 255, 0.08);
    --gradient-cyan: linear-gradient(135deg, rgba(32, 224, 255, 0.15) 0%, rgba(106, 243, 197, 0.08) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-cyan: 0 8px 32px rgba(32, 224, 255, 0.25);
    --shadow-green: 0 8px 32px rgba(106, 243, 197, 0.25);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 17px;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(5, 8, 20, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(5, 8, 20, 0.98);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 28px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.nav-logo span {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.nav-cta {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: var(--shadow-cyan);
}

.nav-cta:hover {
    background: var(--accent-green);
    color: var(--bg-primary);
    box-shadow: var(--shadow-green);
    transform: translateY(-2px);
}

.nav-cta::after {
    display: none;
}

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

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 160px 0 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse at top, rgba(32, 224, 255, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at bottom right, rgba(106, 243, 197, 0.05) 0%, transparent 50%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, var(--bg-primary) 100%);
    pointer-events: none;
}

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

.hero-grid {
    display: flex;
    flex-direction: column;
    gap: 60px;
    align-items: center;
    text-align: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, rgba(32, 224, 255, 0.12), rgba(106, 243, 197, 0.08));
    border: 1px solid rgba(32, 224, 255, 0.25);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 28px;
    box-shadow: 0 4px 16px rgba(32, 224, 255, 0.15);
}

.pill-separator {
    color: rgba(32, 224, 255, 0.4);
}

.hero-title {
    font-size: 62px;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-cyan) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 21px;
    color: var(--text-muted);
    margin-bottom: 48px;
    line-height: 1.75;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 48px;
    max-width: 600px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    background: linear-gradient(135deg, rgba(32, 224, 255, 0.06), rgba(106, 243, 197, 0.03));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(8px);
    text-align: center;
}

.stat-item:hover {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(32, 224, 255, 0.12), rgba(106, 243, 197, 0.06));
    transform: translateY(-4px);
    box-shadow: var(--shadow-cyan);
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-cyan);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    color: var(--bg-primary);
    box-shadow: var(--shadow-cyan);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(32, 224, 255, 0.4);
}

.btn-secondary {
    background: rgba(32, 224, 255, 0.08);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-secondary:hover {
    background: rgba(32, 224, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: var(--shadow-cyan);
}

.btn-large {
    padding: 20px 44px;
    font-size: 17px;
}

/* Hero Visual */
.hero-visual {
    display: none;
}

/* Section Styles */
.section {
    padding: 120px 0;
    position: relative;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    text-align: center;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    text-align: center;
    max-width: 720px;
    margin: 0 auto 72px;
    line-height: 1.75;
}

/* Why WhatsApp Section */
.why-section {
    background: radial-gradient(circle at 50% 0%, rgba(32, 224, 255, 0.06) 0%, transparent 60%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(10, 15, 30, 0.8));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 44px 36px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-8px);
    box-shadow: var(--shadow-cyan);
    background: linear-gradient(135deg, rgba(32, 224, 255, 0.08), rgba(10, 15, 30, 0.95));
}

.feature-icon {
    margin-bottom: 28px;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.feature-description {
    color: var(--text-muted);
    line-height: 1.75;
    font-size: 16px;
}

/* Consumer Section */
.consumer-section {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-primary) 100%);
    padding-bottom: 60px;
}

.consumer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.consumer-card {
    background: linear-gradient(135deg, rgba(32, 224, 255, 0.04), rgba(106, 243, 197, 0.02));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 48px 40px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
}

.consumer-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-4px);
}

.consumer-header {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(32, 224, 255, 0.15);
}

.consumer-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-cyan);
    letter-spacing: -0.02em;
}

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

.consumer-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 18px;
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 16px;
}

.consumer-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 800;
    font-size: 18px;
}

.view-more {
    text-align: center;
    margin-top: 48px;
}

.link-arrow {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
    font-size: 17px;
    transition: all 0.3s ease;
    display: inline-block;
}

.link-arrow:hover {
    color: var(--accent-green);
    transform: translateX(6px);
}

/* Enterprise Section */
.enterprise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.enterprise-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(10, 15, 30, 0.9));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.enterprise-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-10px);
    box-shadow: var(--shadow-cyan);
    background: linear-gradient(135deg, rgba(32, 224, 255, 0.08), rgba(10, 15, 30, 0.95));
}

.enterprise-icon {
    font-size: 56px;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 12px rgba(32, 224, 255, 0.3));
}

.enterprise-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.enterprise-description {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

.enterprise-cta {
    text-align: center;
    margin-top: 64px;
    margin-bottom: -60px;
}

/* Impact Section */
.impact-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-card) 50%, var(--bg-primary) 100%);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
}

.impact-card {
    background: linear-gradient(135deg, rgba(106, 243, 197, 0.06), rgba(32, 224, 255, 0.04));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 48px 36px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
}

.impact-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--shadow-green);
    transform: translateY(-6px);
}

.impact-label {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 28px;
}

.impact-metrics {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.impact-stat {
    text-align: left;
}

.impact-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--accent-cyan);
    margin-bottom: 10px;
    letter-spacing: -0.03em;
}

.impact-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: radial-gradient(ellipse at center, rgba(32, 224, 255, 0.1) 0%, transparent 70%),
                linear-gradient(135deg, rgba(32, 224, 255, 0.05), rgba(106, 243, 197, 0.03));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
}

.cta-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 48px;
    line-height: 1.75;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--bg-card);
    padding: 72px 0 48px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.footer-logo span {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    gap: 36px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.footer-copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 15px;
    padding-top: 36px;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .enterprise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
        line-height: 1.75;
    }

    .container {
        padding: 0 20px;
    }

    .nav-menu {
        position: fixed;
        top: 76px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: rgba(5, 8, 20, 0.98);
        backdrop-filter: blur(12px);
        padding: 48px 24px;
        gap: 28px;
        border-bottom: 1px solid var(--border-color);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 140px 0 100px;
    }
    
    .hero-grid {
        gap: 52px;
    }
    
    .hero-title {
        font-size: 42px;
        line-height: 1.12;
    }
    
    .hero-subtitle {
        font-size: 19px;
        line-height: 1.7;
        margin-bottom: 40px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 40px;
    }

    .stat-item {
        padding: 22px 20px;
    }
    
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 36px;
        line-height: 1.2;
        margin-bottom: 18px;
    }

    .section-subtitle {
        font-size: 18px;
        line-height: 1.7;
        margin-bottom: 52px;
        padding: 0 12px;
    }
    
    .consumer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .consumer-card {
        padding: 36px 28px;
    }

    .consumer-title {
        font-size: 28px;
    }

    .consumer-list li {
        margin-bottom: 16px;
        font-size: 15px;
        line-height: 1.75;
    }
    
    .enterprise-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .enterprise-card {
        padding: 36px 28px;
    }

    .impact-card {
        padding: 40px 28px;
    }

    .impact-number {
        font-size: 38px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 28px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 18px;
    }
    
    .cta-title {
        font-size: 36px;
        line-height: 1.25;
    }

    .cta-subtitle {
        font-size: 18px;
        line-height: 1.7;
        padding: 0 12px;
    }

    .btn {
        padding: 18px 32px;
        font-size: 16px;
    }

    .btn-large {
        padding: 20px 36px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 34px;
    }
    
    .section-title {
        font-size: 30px;
    }

    .btn {
        width: 100%;
        padding: 18px 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-pill {
        font-size: 13px;
        padding: 10px 18px;
    }

    .stat-value {
        font-size: 28px;
    }

    .consumer-title {
        font-size: 26px;
    }

    .impact-number {
        font-size: 34px;
    }
}