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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: #333;
    overflow-x: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #e0f0ff 50%, #b8dfff 100%);
    background-attachment: fixed;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.82) 0%,
        rgba(224, 240, 255, 0.78) 40%,
        rgba(184, 223, 255, 0.75) 100%);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    z-index: -1;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s ease;
    padding: 16px 0;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 120, 200, 0.08);
    padding: 10px 0;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    z-index: 1001;
}

.logo-img {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0, 120, 200, 0.15);
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #0078c8, #00a8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: #444;
    font-weight: 500;
    font-size: 15px;
    padding: 8px 18px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(0, 120, 200, 0.08);
    color: #0078c8;
}

.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: 2.5px;
    background: #333;
    border-radius: 3px;
    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(6px, -6px);
}

.banner {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 40px 80px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
    position: relative;
}

.banner-content {
    flex: 1;
    max-width: 560px;
}

.banner-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(0, 120, 200, 0.1), rgba(0, 168, 255, 0.1));
    color: #0078c8;
    font-weight: 600;
    font-size: 14px;
    padding: 8px 20px;
    border-radius: 30px;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 120, 200, 0.15);
}

.banner-title {
    margin-bottom: 24px;
}

.title-line {
    display: block;
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    color: #1a1a2e;
}

.title-line.accent {
    background: linear-gradient(135deg, #0078c8, #00a8ff, #56ccf2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-desc {
    font-size: 17px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 36px;
    font-weight: 300;
}

.banner-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-number {
    font-size: 18px;
    font-weight: 700;
    color: #0078c8;
}

.stat-label {
    font-size: 13px;
    color: #888;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(0, 120, 200, 0.15);
}

.banner-phone {
    flex-shrink: 0;
}

.phone-mockup {
    width: 260px;
    height: 530px;
    background: #1a1a2e;
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    position: relative;
    transform: rotate(3deg);
    transition: transform 0.5s ease;
}

.phone-mockup:hover {
    transform: rotate(0deg) translateY(-8px);
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
    background: #000;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #999;
    font-size: 13px;
}

.scroll-arrow {
    animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 70px;
    padding: 0 20px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(0, 120, 200, 0.1), rgba(0, 168, 255, 0.1));
    color: #0078c8;
    font-weight: 600;
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    font-weight: 300;
}

.intro {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 40px 60px;
}

.feature-block {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 100px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.feature-right {
    flex-direction: row;
}

.feature-left {
    flex-direction: row;
}

.feature-image-wrapper {
    flex-shrink: 0;
    position: relative;
}

.image-decoration {
    position: absolute;
    border-radius: 24px;
    z-index: -1;
}

.dec-1 {
    width: 220px;
    height: 380px;
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.15), rgba(86, 204, 242, 0.1));
    top: -20px;
    left: -20px;
    transform: rotate(-3deg);
}

.dec-2 {
    width: 220px;
    height: 380px;
    background: linear-gradient(135deg, rgba(255, 154, 139, 0.15), rgba(255, 206, 115, 0.1));
    top: -15px;
    right: -20px;
    transform: rotate(3deg);
}

.dec-3 {
    width: 220px;
    height: 380px;
    background: linear-gradient(135deg, rgba(130, 200, 160, 0.15), rgba(180, 230, 200, 0.1));
    bottom: -20px;
    left: -15px;
    transform: rotate(2deg);
}

.dec-4 {
    width: 220px;
    height: 380px;
    background: linear-gradient(135deg, rgba(180, 140, 255, 0.15), rgba(220, 200, 255, 0.1));
    bottom: -15px;
    right: -15px;
    transform: rotate(-2deg);
}

.feature-phone {
    width: 225px;
    aspect-ratio: 9 / 20;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    position: relative;
}

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

.feature-content {
    flex: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, #0078c8, #00a8ff);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 22px;
    color: #fff;
    box-shadow: 0 8px 25px rgba(0, 120, 200, 0.25);
}

.feature-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-desc {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
    font-weight: 300;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    background: rgba(0, 120, 200, 0.06);
    color: #0078c8;
    border: 1px solid rgba(0, 120, 200, 0.1);
}

.highlights {
    padding: 60px 40px 100px;
    max-width: 1200px;
    margin: 0 auto;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.highlight-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 36px 28px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 8px 32px rgba(0, 120, 200, 0.06);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

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

.highlight-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 120, 200, 0.12);
    background: rgba(255, 255, 255, 0.8);
}

.highlight-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(0, 120, 200, 0.08), rgba(0, 168, 255, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 24px;
    color: #0078c8;
}

.highlight-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.highlight-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    font-weight: 300;
}

.screenshots {
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.screenshots-showcase {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 24px;
    perspective: 1000px;
}

.screenshot-card {
    width: 220px;
    aspect-ratio: 9 / 20;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(40px);
}

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

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

.card-1 {
    transform: translateY(40px) rotate(-3deg);
}

.card-1.visible {
    transform: rotate(-3deg);
}

.card-1:hover {
    transform: rotate(0deg) translateY(-10px) scale(1.03);
}

.card-2 {
    transform: translateY(40px) rotate(1deg) translateY(-20px);
}

.card-2.visible {
    transform: rotate(1deg) translateY(-20px);
}

.card-2:hover {
    transform: rotate(0deg) translateY(-30px) scale(1.03);
}

.card-3 {
    transform: translateY(40px) rotate(-2deg);
}

.card-3.visible {
    transform: rotate(-2deg);
}

.card-3:hover {
    transform: rotate(0deg) translateY(-10px) scale(1.03);
}

.card-4 {
    transform: translateY(40px) rotate(3deg) translateY(-10px);
}

.card-4.visible {
    transform: rotate(3deg) translateY(-10px);
}

.card-4:hover {
    transform: rotate(0deg) translateY(-20px) scale(1.03);
}

.footer {
    background: rgba(10, 20, 40, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: #ccc;
    padding: 60px 0 0;
    margin-top: 60px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

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

.footer-logo span {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
}

.footer-tagline {
    font-size: 14px;
    color: #888;
    line-height: 1.7;
}

.footer-links h5,
.footer-contact h5 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: #999;
    text-decoration: none;
    font-size: 14px;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00a8ff;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #00a8ff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.email-link:hover {
    color: #56ccf2;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    margin-top: 10px;
}

.footer-bottom p {
    font-size: 13px;
    color: #666;
}

@media (max-width: 1024px) {
    .title-line {
        font-size: 44px;
    }

    .feature-block {
        gap: 50px;
    }

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

    .screenshot-card {
        width: 180px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 24px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 30px 40px;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.08);
    }

    .nav.active {
        right: 0;
    }

    .nav-link {
        font-size: 17px;
        padding: 14px 20px;
        border-radius: 12px;
    }

    .banner {
        flex-direction: column;
        text-align: center;
        padding: 120px 24px 60px;
        gap: 40px;
        min-height: auto;
    }

    .banner-content {
        max-width: 100%;
    }

    .title-line {
        font-size: 38px;
    }

    .banner-stats {
        justify-content: center;
    }

    .phone-mockup {
        width: 200px;
        height: 410px;
        transform: rotate(0deg);
    }

    .banner-scroll-hint {
        display: none;
    }

    .intro {
        padding: 80px 24px 40px;
    }

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

    .feature-block {
        flex-direction: column !important;
        gap: 36px;
        margin-bottom: 70px;
    }

    .feature-right .feature-image-wrapper {
        order: -1;
    }

    .feature-content {
        text-align: center;
    }

    .feature-icon {
        margin: 0 auto 20px;
    }

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

    .feature-phone {
        width: 200px;
    }

    .highlights {
        padding: 40px 24px 80px;
    }

    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .screenshots {
        padding: 80px 24px;
    }

    .screenshots-showcase {
        flex-wrap: wrap;
        gap: 16px;
    }

    .screenshot-card {
        width: calc(50% - 12px);
    }

    .card-1, .card-1.visible { transform: rotate(-2deg); }
    .card-2, .card-2.visible { transform: rotate(1deg); }
    .card-3, .card-3.visible { transform: rotate(-1deg); }
    .card-4, .card-4.visible { transform: rotate(2deg); }

    .card-1:hover { transform: rotate(0deg) scale(1.03); }
    .card-2:hover { transform: rotate(0deg) scale(1.03); }
    .card-3:hover { transform: rotate(0deg) scale(1.03); }
    .card-4:hover { transform: rotate(0deg) scale(1.03); }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .email-link {
        justify-content: center;
    }
}

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

    .banner-desc {
        font-size: 15px;
    }

    .banner-stats {
        flex-direction: column;
        gap: 12px;
    }

    .stat-divider {
        width: 36px;
        height: 1px;
    }

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

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

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

    .screenshot-card {
        width: calc(50% - 8px);
    }
}