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

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --text-dark: #1a202c;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --white: #ffffff;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Cairo', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border: none;
    border-radius: 12px;
    font-family: 'Cairo', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-small {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-large {
    padding: 16px 36px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--white);
    border-radius: 50px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    animation: float 3s ease-in-out infinite;
}

.hero-badge svg {
    width: 20px;
    height: 20px;
    color: #fbbf24;
    fill: #fbbf24;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 8px;
}

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

/* Phone Mockup */
.phone-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

.phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 36px;
    padding: 10px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 22px;
    background: var(--primary-dark);
    border-radius: 0 0 18px 18px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.app-preview {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    overflow: hidden;
}

.app-header {
    text-align: center;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
    flex-shrink: 0;
}

.app-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 12px;
    background: var(--white);
    border-radius: 16px;
    padding: 8px;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-width: 100%;
    max-height: 100%;
}

.app-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
    line-height: 1.2;
}

.app-tagline {
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.3;
}

.app-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    overflow-y: auto;
}

.article-card {
    background: var(--white);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    animation: fadeInUp 1s ease;
    flex-shrink: 0;
}

.article-card:nth-child(2) {
    animation-delay: 0.2s;
}

.article-card:nth-child(3) {
    animation-delay: 0.4s;
}

.article-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.article-icon svg {
    width: 18px;
    height: 18px;
    color: var(--white);
}

.article-info {
    flex: 1;
    min-width: 0;
}

.article-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-info p {
    font-size: 10px;
    color: var(--text-light);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-description {
    font-size: 20px;
    color: var(--text-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.download-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 80px 60px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.download-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
}

.download-icon svg {
    width: 48px;
    height: 48px;
    color: var(--white);
}

.download-title {
    font-size: 42px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
}

.download-description {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-download {
    background: var(--white);
    color: var(--primary);
    padding: 18px 40px;
    font-size: 20px;
    font-weight: 700;
    border-radius: 14px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.download-note {
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: var(--text-dark);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-brand .logo-icon {
    width: 28px;
    height: 28px;
    color: var(--white);
}

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

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-image {
        order: -1;
    }

    .hero-title {
        font-size: 42px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .section-title {
        font-size: 36px;
    }

    .download-card {
        padding: 60px 40px;
    }

    .download-title {
        font-size: 32px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .download-card {
        padding: 40px 20px;
    }

    .download-title {
        font-size: 24px;
    }

    .download-description {
        font-size: 16px;
    }

    .phone-frame {
        width: 240px;
        height: 480px;
    }

    .app-logo {
        width: 50px;
        height: 50px;
    }

    .app-name {
        font-size: 14px;
    }

    .app-tagline {
        font-size: 10px;
    }

    .article-card {
        padding: 10px;
    }

    .article-icon {
        width: 32px;
        height: 32px;
    }

    .article-icon svg {
        width: 16px;
        height: 16px;
    }

    .article-info h4 {
        font-size: 12px;
    }

    .article-info p {
        font-size: 9px;
    }

    .nav {
        padding: 16px 20px;
    }

    .nav-brand {
        font-size: 20px;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

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