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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: white;
    color: #282828;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
}

.animate-on-scroll.animated {
    animation-duration: 0.8s;
    animation-fill-mode: both;
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.animated.fade-in-up {
    animation-name: fadeInUp;
}

.animated.fade-in {
    animation-name: fadeIn;
}

.animated.slide-in-left {
    animation-name: slideInLeft;
}

.animated.slide-in-right {
    animation-name: slideInRight;
}

header {
    background-color: white;
    border-bottom: 1px solid #E0E0E0;
    position: sticky;
    top: 0;
    z-index: 2000;
}

header > nav {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #282828;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #282828;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #6f72f9;
}

.download-btn {
    background-color: #6f72f9;
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background-color: #5a5de0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(111, 114, 249, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #282828;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Content */
.main-content {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 4rem 0;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-decorative {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #F5F5F5 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%);
    z-index: 0;
    opacity: 0.6;
}

.hero-decorative::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: repeating-conic-gradient(
        from 0deg at 50% 50%,
        transparent 0deg,
        transparent 10deg,
        rgba(0, 0, 0, 0.02) 10deg,
        rgba(0, 0, 0, 0.02) 20deg
    );
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: #282828;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.hero-headline span {
    display: block;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #282828;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.app-store-btn,
.google-play-btn {
    background-color: #282828;
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    line-height: 1.3;
}

.app-store-btn span,
.google-play-btn span {
    text-align: left;
}

.app-store-btn:hover,
.google-play-btn:hover {
    background-color: #1a1a1a;
    transform: translateY(-2px);
}

.app-store-btn svg,
.google-play-btn svg {
    flex-shrink: 0;
}

.app-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    object-fit: contain;
}

.store-name {
    font-size: 1.2rem;
    font-weight: 600;
}

.hero-phone {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-device-img {
    width: 500px;
    height: 500px;
    object-fit: contain;
    background-color: #F5F5F5;
    padding: 2rem;
    border-radius: 20px;
}

/* Info Sections */
.info-section {
    padding: 5rem 0;
    background-color: white;
}

.info-content {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.info-section-reverse .info-phone {
    order: 2;
}

.info-section-reverse .info-text {
    order: 1;
}

.info-phone {
    display: flex;
    justify-content: center;
    align-items: center;
}

.info-device-img {
    width: 500px;
    height: 500px;
    object-fit: contain;
    background-color: #F5F5F5;
    padding: 2rem;
    border-radius: 20px;
}

.info-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-headline {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    color: #282828;
}

.info-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.info-feature-item i.ph {
    flex-shrink: 0;
    font-size: 24px;
    color: #282828;
}

.info-feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #282828;
    margin-bottom: 0.5rem;
}

.info-feature-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: #666;
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.features-header {
    margin-bottom: 4rem;
}

.features-headline {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    color: #282828;
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
}

.features-headline span {
    display: block;
}

.features-download-btn {
    background-color: #282828;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.features-download-btn:hover {
    background-color: #1a1a1a;
    transform: translateY(-2px);
}

.download-icon-circle {
    width: 40px;
    height: 40px;
    background-color: #7FFF00;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.download-icon-circle svg {
    width: 20px;
    height: 20px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.feature-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}

.feature-icon {
    font-size: 32px;
    color: #282828;
    flex-shrink: 0;
    line-height: 1;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #282828;
}

.feature-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #282828;
}

/* CTA Section */
.cta-section {
    padding: 5rem 2rem;
    margin-top: 4rem;
}

.cta-content {
    max-width: 1240px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    background-color: #6f72f9;
    padding: 5rem 3rem;
    border-radius: 24px;
}

.cta-headline {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    line-height: 1.1;
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.cta-section .app-store-btn,
.cta-section .google-play-btn {
    background-color: white;
    color: #282828;
}

.cta-section .app-store-btn:hover,
.cta-section .google-play-btn:hover {
    background-color: #f5f5f5;
    transform: translateY(-2px);
}

.cta-section .app-icon {
    filter: invert(1);
}

/* Footer */
footer {
    background-color: white;
    margin-top: 0;
}

.footer-content {
    max-width: 1240px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.footer-logo-img {
    height: 32px;
    width: auto;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #282828;
}

.footer-description {
    color: #282828;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.social-icons {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border: 1px solid #282828;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #282828;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 20px;
}

.social-icon:hover {
    background-color: #282828;
    color: white;
}

.social-icon i.ph {
    line-height: 1;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    color: #282828;
    margin-bottom: 0.5rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #282828;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #6f72f9;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #282828;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.contact-item:hover {
    color: #6f72f9;
}

.contact-item i.ph {
    flex-shrink: 0;
    font-size: 16px;
}

.footer-bottom {
    border-top: 1px solid #E0E0E0;
    padding: 1.5rem 2rem;
    text-align: center;
}

.footer-bottom > p {
    max-width: 1240px;
    margin: 0 auto;
    color: #282828;
    font-size: 0.9rem;
}

.footer-bottom strong {
    font-weight: 700;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-headline {
        font-size: 3rem;
    }

    .info-headline {
        font-size: 2.5rem;
    }

    .features-headline {
        font-size: 2.5rem;
    }

    .cta-headline {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    header > nav {
        padding: 1rem 1.5rem;
        position: relative;
    }

    nav {
        flex-wrap: wrap;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-img {
        height: 32px;
    }

    .hamburger {
        display: flex;
        order: 3;
    }

    .nav-links {
        order: 4;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        max-height: 300px;
        padding: 1rem 0;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }

    .download-btn {
        order: 2;
        padding: 0.6rem 1.25rem;
        font-size: 0.85rem;
    }

    .main-content {
        padding: 0 1.5rem;
    }

    .hero {
        padding: 2rem 0;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-text {
        text-align: center;
        align-items: center;
    }

    .hero-headline {
        font-size: 2.25rem;
        line-height: 1.15;
    }

    .hero-description {
        font-size: 1rem;
        text-align: center;
    }

    .hero-decorative {
        width: 300px;
        height: 300px;
        left: 50%;
        top: 10%;
    }

    .hero-device-img {
        width: 350px;
        height: 350px;
        padding: 1.5rem;
    }

    .hero-buttons {
        flex-direction: row;
        width: 100%;
        gap: 0.5rem;
        justify-content: center;
    }

    .app-store-btn,
    .google-play-btn {
        flex: 1;
        max-width: 180px;
        padding: 0.6rem 0.75rem;
        font-size: 0.7rem;
    }

    .app-icon {
        width: 18px;
        height: 18px;
    }

    .store-name {
        font-size: 0.95rem;
    }

    .info-section {
        padding: 3rem 0;
    }

    .info-content {
        padding: 0 1.5rem;
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .info-section-reverse .info-phone {
        order: 0;
    }

    .info-section-reverse .info-text {
        order: 0;
    }

    .info-headline {
        font-size: 1.85rem;
        line-height: 1.15;
    }

    .info-device-img {
        width: 350px;
        height: 350px;
        padding: 1.5rem;
    }

    .info-feature-title {
        font-size: 1.1rem;
    }

    .info-feature-desc {
        font-size: 0.95rem;
    }

    .features {
        padding: 3rem 0;
    }

    .features-header {
        margin-bottom: 2.5rem;
    }

    .features-headline {
        font-size: 1.85rem;
        line-height: 1.15;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .feature-header {
        gap: 0.65rem;
    }

    .feature-icon {
        font-size: 28px;
    }

    .feature-title {
        font-size: 1.1rem;
    }

    .feature-description {
        font-size: 0.95rem;
    }

    .cta-section {
        padding: 3rem 1.5rem;
    }

    .cta-content {
        padding: 3rem 2rem;
        border-radius: 20px;
    }

    .cta-headline {
        font-size: 1.85rem;
    }

    .cta-description {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: row;
        width: 100%;
        gap: 0.5rem;
        justify-content: center;
    }

    .cta-section .app-store-btn,
    .cta-section .google-play-btn {
        flex: 1;
        max-width: 180px;
        padding: 0.6rem 0.75rem;
        font-size: 0.7rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 1.5rem;
    }

    .footer-bottom {
        padding: 1.5rem 1.5rem;
    }
}

@media (max-width: 480px) {
    header > nav {
        padding: 0.875rem 1rem;
    }

    .logo {
        font-size: 1.15rem;
    }

    .logo-img {
        height: 28px;
    }

    .hamburger span {
        width: 22px;
    }

    .download-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .nav-links a {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }

    .main-content {
        padding: 0 1rem;
    }

    .hero {
        padding: 1.5rem 0;
    }

    .hero-content {
        gap: 2rem;
    }

    .hero-headline {
        font-size: 1.75rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .hero-device-img {
        width: 280px;
        height: 280px;
        padding: 1rem;
    }

    .hero-buttons {
        gap: 0.4rem;
    }

    .app-store-btn,
    .google-play-btn {
        max-width: 160px;
        padding: 0.5rem 0.6rem;
        font-size: 0.65rem;
        gap: 0.5rem;
    }

    .app-icon {
        width: 16px;
        height: 16px;
    }

    .store-name {
        font-size: 0.85rem;
    }

    .info-section {
        padding: 2rem 0;
    }

    .info-content {
        padding: 0 1rem;
        gap: 2rem;
    }

    .info-headline {
        font-size: 1.5rem;
    }

    .info-device-img {
        width: 280px;
        height: 280px;
        padding: 1rem;
    }

    .info-features {
        gap: 1.5rem;
    }

    .info-feature-item {
        gap: 0.75rem;
    }

    .info-feature-item i.ph {
        font-size: 20px;
    }

    .info-feature-title {
        font-size: 1rem;
    }

    .info-feature-desc {
        font-size: 0.875rem;
    }

    .features {
        padding: 2rem 0;
    }

    .features-header {
        margin-bottom: 2rem;
    }

    .features-headline {
        font-size: 1.5rem;
    }

    .features-grid {
        gap: 1.5rem;
    }

    .feature-card {
        gap: 0.4rem;
    }

    .feature-header {
        gap: 0.5rem;
    }

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

    .feature-title {
        font-size: 1rem;
    }

    .feature-description {
        font-size: 0.875rem;
    }

    .cta-section {
        padding: 2rem 1rem;
    }

    .cta-content {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }

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

    .cta-description {
        font-size: 0.9rem;
    }

    .cta-buttons {
        gap: 0.4rem;
    }

    .cta-section .app-store-btn,
    .cta-section .google-play-btn {
        max-width: 160px;
        padding: 0.5rem 0.6rem;
        font-size: 0.65rem;
        gap: 0.5rem;
    }

    .footer-content {
        padding: 1.5rem 1rem;
    }

    .footer-bottom {
        padding: 1.25rem 1rem;
        font-size: 0.85rem;
    }
}