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

:root {
    --blue: #3B82F6;
    --cyan: #06B6D4;
    --yellow: #F59E0B;
    --indigo: #6366F1;
    --purple: #A855F7;
    --gradient-main: linear-gradient(135deg, #6366F1, #3B82F6, #06B6D4, #A855F7, #F59E0B);
    --gradient-bar: linear-gradient(90deg, #6366F1, #3B82F6, #06B6D4, #A855F7, #F59E0B);
    --dark: #0A0E1A;
    --dark-card: #111827;
    --dark-surface: #1F2937;
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', 'Inter', sans-serif;
    background-color: var(--dark);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1579783902614-a3fb3927b6a5?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 26, 0.88);
    z-index: -1;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px 0;
}

.header.scrolled {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    z-index: 1001;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 100px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.12);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.banner {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1513364776144-60967b0f800f?w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 14, 26, 0.7) 0%,
        rgba(10, 14, 26, 0.5) 40%,
        rgba(10, 14, 26, 0.8) 100%
    );
    z-index: 1;
}

.banner::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent 70%);
    z-index: 1;
    animation: float1 8s ease-in-out infinite;
}

.banner::after {
    content: '';
    position: absolute;
    bottom: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15), transparent 70%);
    z-index: 1;
    animation: float2 10s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(80px, 60px); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-60px, -80px); }
}

.banner-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 32px;
}

.banner-badge {
    display: inline-block;
    padding: 6px 20px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--cyan);
    margin-bottom: 28px;
}

.banner-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 48px;
    font-family: 'Inter', sans-serif;
}

.banner-stats {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 1.6rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
}

.banner-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.5; }
    50% { transform: rotate(45deg) translate(5px, 5px); opacity: 1; }
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.15));
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: var(--cyan);
    margin-bottom: 20px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
}

.intro {
    padding: 120px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-block {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 120px;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-block.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-block:last-child {
    margin-bottom: 0;
}

.feature-block.reverse {
    flex-direction: row-reverse;
}

.feature-visual {
    flex: 0 0 auto;
}

.phone-frame {
    width: 270px;
    height: 600px;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    box-shadow:
        0 0 0 2px rgba(255, 255, 255, 0.08),
        0 25px 60px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(99, 102, 241, 0.1);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s ease;
}

.feature-block:hover .phone-frame {
    transform: translateY(-8px);
    box-shadow:
        0 0 0 2px rgba(255, 255, 255, 0.12),
        0 35px 80px rgba(0, 0, 0, 0.6),
        0 0 100px rgba(99, 102, 241, 0.15);
}

.phone-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.feature-text {
    flex: 1;
}

.feature-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
    font-family: 'Poppins', sans-serif;
}

.feature-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 24px;
    font-family: 'Inter', sans-serif;
}

.feature-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
}

.tag i {
    font-size: 0.78rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.screenshots {
    padding: 120px 32px;
    max-width: 1400px;
    margin: 0 auto;
    overflow: hidden;
}

.screenshots-track {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.screenshot-card {
    width: 220px;
    height: 488px;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06),
        0 20px 50px rgba(0, 0, 0, 0.4);
}

.screenshot-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.screenshot-card:nth-child(1) { transition-delay: 0s; }
.screenshot-card:nth-child(2) { transition-delay: 0.1s; }
.screenshot-card:nth-child(3) { transition-delay: 0.2s; }
.screenshot-card:nth-child(4) { transition-delay: 0.3s; }
.screenshot-card:nth-child(5) { transition-delay: 0.4s; }

.screenshot-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow:
        0 0 0 2px rgba(99, 102, 241, 0.3),
        0 30px 70px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(99, 102, 241, 0.1);
}

.screenshot-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cta-section {
    padding: 120px 32px;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1), transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    font-family: 'Inter', sans-serif;
}

.cta-contact {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    border-radius: 100px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.15));
    border: 1px solid rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
}

.cta-contact:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(168, 85, 247, 0.25));
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.cta-contact i {
    font-size: 1.1rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-contact a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
}

.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-bar);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 32px 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    flex: 1;
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.footer-logo .logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    font-family: 'Inter', sans-serif;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: var(--text-primary);
}

.footer-contact i {
    color: var(--indigo);
}

.footer-bottom {
    text-align: center;
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin-bottom: 24px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-family: 'Inter', sans-serif;
}

@media (max-width: 1024px) {
    .feature-block {
        gap: 48px;
    }

    .phone-frame {
        width: 230px;
        height: 511px;
    }

    .banner-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.2rem;
    }
}

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

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 16px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
    }

    .nav.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.2rem;
        padding: 12px 32px;
    }

    .banner-title {
        font-size: 2.2rem;
    }

    .banner-desc {
        font-size: 1rem;
    }

    .banner-stats {
        flex-direction: row;
        gap: 20px;
        padding: 16px 24px;
    }

    .stat-divider {
        width: 1px;
        height: 28px;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .intro {
        padding: 80px 24px;
    }

    .feature-block,
    .feature-block.reverse {
        flex-direction: column;
        gap: 40px;
        margin-bottom: 80px;
        text-align: center;
    }

    .feature-tags {
        justify-content: center;
    }

    .phone-frame {
        width: 240px;
        height: 533px;
    }

    .feature-number {
        font-size: 3rem;
    }

    .feature-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.9rem;
    }

    .section-title br {
        display: none;
    }

    .screenshots {
        padding: 80px 24px;
    }

    .screenshots-track {
        gap: 16px;
    }

    .screenshot-card {
        width: 160px;
        height: 356px;
    }

    .cta-title {
        font-size: 1.8rem;
    }

    .footer-top {
        flex-direction: column;
        gap: 32px;
    }

    .footer-brand {
        max-width: 100%;
    }

    .cta-section {
        padding: 80px 24px;
    }
}

@media (max-width: 480px) {
    .banner-title {
        font-size: 1.8rem;
    }

    .banner-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .phone-frame {
        width: 200px;
        height: 444px;
    }

    .screenshots-track {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 16px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .screenshot-card {
        flex: 0 0 auto;
        width: 180px;
        height: 400px;
        scroll-snap-align: center;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .cta-contact {
        padding: 14px 24px;
    }

    .cta-contact a {
        font-size: 0.88rem;
    }
}