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

:root {
    --primary-red: #FF6B6B;
    --primary-yellow: #FFD93D;
    --accent-orange: #FF8E53;
    --dark: #2C3333;
    --dark-light: #395B64;
    --text-primary: #2C3333;
    --text-secondary: #5C7080;
    --text-light: #A8B2C1;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-accent: #FFF4E6;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo-svg {
    width: 40px;
    height: 40px;
}

.brand-name {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link.download-link {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-orange));
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
    transition: all 0.3s ease;
}

.nav-link.download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(165deg, #FFF4E6 0%, #FFFFFF 50%);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-decoration {
    position: absolute;
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(255, 217, 61, 0.1));
    border-radius: 50%;
    top: -300px;
    right: -200px;
    filter: blur(100px);
}

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

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-red), var(--accent-orange));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-orange));
    color: white;
    box-shadow: 0 8px 24px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 107, 107, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--dark);
}

.btn-outline:hover {
    background: var(--dark);
    color: white;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 32px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    max-width: 600px;
    margin: 0 auto;
}

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

.stat-number {
    font-size: 32px;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 4px;
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--text-light), transparent);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--primary-red);
    background: rgba(255, 107, 107, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-tag.light {
    color: var(--primary-yellow);
    background: rgba(255, 217, 61, 0.2);
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -1px;
}

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

.features-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.feature-item {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.feature-number {
    font-size: 48px;
    font-weight: 900;
    color: transparent;
    background: linear-gradient(135deg, var(--primary-red), var(--accent-orange));
    -webkit-background-clip: text;
    background-clip: text;
    line-height: 1;
}

.feature-content {
    flex: 1;
}

.feature-icon-wrapper {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(255, 142, 83, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon-wrapper svg {
    color: var(--primary-red);
}

.feature-content h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 16px;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: linear-gradient(to bottom, var(--bg-white), var(--bg-light));
}

.screenshots-carousel {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 20px 0;
}

.screenshot-card {
    text-align: center;
}

.screenshot-frame {
    background: #0d131f;
    border-radius: 28px;
    padding: 8px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 4px solid #1a2234;
    overflow: hidden;
}

.screenshot-frame:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2), 0 0 0 2px rgba(99, 102, 241, 0.25);
}

.screenshot-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.screenshot-label {
    margin-top: 20px;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.15), transparent);
    top: -400px;
    left: -200px;
    border-radius: 50%;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-info h2 {
    font-size: 48px;
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.contact-info p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 48px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(8px);
}

.method-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-red), var(--accent-orange));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.method-icon svg {
    color: white;
}

.method-content {
    flex: 1;
}

.method-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.method-value {
    font-size: 16px;
    color: white;
    font-weight: 600;
}

.developer-note {
    padding: 24px;
    background: rgba(255, 217, 61, 0.1);
    border-left: 4px solid var(--primary-yellow);
    border-radius: 12px;
}

.developer-note p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.6;
}

.contact-illustration {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.illustration-circle {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.2), rgba(255, 217, 61, 0.2));
    border-radius: 50%;
    position: absolute;
    filter: blur(60px);
}

.developer-card {
    position: relative;
    background: white;
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.dev-avatar {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-red), var(--accent-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 48px;
    font-weight: 900;
    color: white;
}

.dev-info h3 {
    font-size: 28px;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 8px;
}

.dev-info p {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.footer {
    background: #1a1a1a;
    padding: 48px 0;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    width: 48px;
    height: 48px;
}

.footer-brand-text {
    display: flex;
    flex-direction: column;
}

.footer-name {
    font-size: 20px;
    font-weight: 800;
    color: white;
}

.footer-tagline {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .features-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .screenshots-carousel {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .contact-illustration {
        order: -1;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        display: none;
        gap: 20px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link.download-link {
        justify-content: center;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-divider {
        width: 80%;
        height: 1px;
    }

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

    .features,
    .screenshots,
    .contact {
        padding: 60px 0;
    }

    .feature-item {
        flex-direction: column;
        gap: 20px;
    }

    .screenshots-carousel {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .developer-card {
        padding: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 40px;
    }

    .hero-title {
        font-size: 36px;
        letter-spacing: -1px;
    }

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

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

    .section-header {
        margin-bottom: 40px;
    }

    .features,
    .screenshots,
    .contact {
        padding: 50px 0;
    }

    .feature-number {
        font-size: 36px;
    }

    .feature-content h3 {
        font-size: 20px;
    }

    .contact-info h2 {
        font-size: 32px;
    }

    .contact-info p {
        font-size: 16px;
    }

    .illustration-circle {
        width: 300px;
        height: 300px;
    }

    .dev-avatar {
        width: 80px;
        height: 80px;
        font-size: 36px;
    }

    .dev-info h3 {
        font-size: 22px;
    }
}
