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

:root {
    --primary-color: #12B76A;
    --primary-dark: #233F2A;
    --secondary-color: #A2F6CF;
    --text-dark: #02130B;
    --text-light: #949494;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e2e8f0;
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-cta {
    padding: 10px 24px;
    font-size: 14px;
    white-space: nowrap;
}

.nav-cta:hover {
    transform: none;
}

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

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

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

.desktop-only {
    display: inline-flex;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--bg-white);
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    width: min(780px, 90vw);
    height: min(780px, 90vw);
    transform: translateY(-55%);
    background-image: url("assets/Asset 1@4x.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    opacity: 1;
    pointer-events: none;
    z-index: 0;
}

.hero-background {
    display: none;
}

.hero-background::before {
    content: none;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 56px;
}

.hero-content {
    max-width: 540px;
    z-index: 1;
}

.hero-headline {
    font-size: clamp(40px, 5vw, 64px);
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.hero-subheadline {
    font-size: clamp(18px, 2vw, 18px);
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.2;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-video {
    display: flex;
    justify-content: flex-end;
    z-index: 1;
}
.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
    border-radius: 24px;
    aspect-ratio: 3 / 4;
}   

.hero-image {
    display: flex;
    justify-content: flex-end;
    z-index: 1;
}

.hero-image-inner {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 3 / 4;
    border-radius: 24px;
    overflow: hidden;
    background: transparent;
    border: none;
    position: relative;
}

.hero-image-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
}


.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 26px;
    font-size: 15px;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: clamp(44px, 5vw, 64px);
    margin-bottom: 16px;
    color: var(--primary-color);
    line-height: 1.2;
}

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

/* About Section */
.about {
    background: var(--bg-white);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.about-content {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.about-title {
    font-size: 96px;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1;
}

.about-subtitle {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 24px;
    line-height: 1;
}

/* Vision & Mission */
.vision-mission {
    background: var(--bg-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.vm-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.vm-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    text-align: center;
    width: 100%;
    max-width: 100%;
}

.vm-icon-badge {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(18, 183, 106, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.vm-icon-badge svg {
    width: 22px;
    height: 22px;
    color: var(--primary-color);
}

.vm-icon-badge svg path,
.vm-icon-badge svg circle {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.vm-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.vm-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.4;
}

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

.features .section-header {
    padding: 60px 0 20px;
    text-align: center;
}

.features-list {
    display: flex;
    flex-direction: column;
}

.feature-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 48px;
    min-height: 560px;
}

.feature-image {
    flex: 0 0 380px;
    width: 380px;
    height: 380px;
    border-radius: 16px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.feature-image-messaging {
    background-image: url("assets/chats.png");
}

.feature-image-calls {
    background-image: url("assets/calls.png");
}

.feature-image-video {
    background-image: url("assets/video-call.png");
}

.feature-image-news {
    background-image: url("assets/news.png");
}

.feature-image-games {
    background-image: url("assets/games.png");
}

.feature-content {
    flex: 1;
    text-align: left;
}

.features-list .feature-section:nth-child(even) .feature-card {
    flex-direction: row-reverse;
}


.feature-content h3 {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--primary-color);
    line-height: 1.2;
}

.feature-icon-badge {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(18, 183, 106, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon-badge svg {
    width: 22px;
    height: 22px;
    color: var(--primary-color);
}

.feature-icon-badge svg path {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-content .feature-description {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1;
}

.feature-list-items {
    list-style: none;
    padding: 0;
    display: inline-block;
    text-align: left;
}

.feature-list-items li {
    font-size: 15px;
    color: var(--text-dark);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.feature-list-items li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.features-list .feature-section:nth-child(even) .feature-card::before {
    background-position: top left;
}

.features-list .feature-section:nth-child(even) .feature-card::after {
    left: -40px;
    right: auto;
}


/* Strategy Section */
.strategy {
    background: var(--primary-color);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.strategy .section-header h2 {
    color: white;
}

.strategy-content {
    max-width: 1200px;
    margin: 0 auto;
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.strategy-item {
    background: transparent;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--secondary-color);
    text-align: center;
    width: 100%;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.strategy-item:hover {
    background: var(--bg-white);
    border-color: var(--secondary-color);
}

.strategy-item h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: white;
    transition: color 0.3s ease;
}

.strategy-item:hover h3 {
    color: var(--primary-color);
}

.strategy-item p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1;
    transition: color 0.3s ease;
}

.strategy-item:hover p {
    color: var(--text-dark);
}

/* Download Section */
.download {
    position: relative;
    background: var(--primary-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("assets/model-3.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    opacity: 0.15;
    z-index: 0;
}

.download-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    z-index: 1;
}

.download .section-header h2 {
    color: white;
}

.download .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.download-btn img {
    height: 60px;
    width: auto;
    display: block;
}

.download-btn:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    background: var(--bg-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.contact-content {
    max-width: 100%;
    margin: 0 auto;
    width: 1200px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.contact-item {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    text-align: center;
    width: 100%;
    max-width: 100%;
}

.contact-icon-badge {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(18, 183, 106, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.contact-icon-badge svg {
    width: 22px;
    height: 22px;
    color: var(--primary-color);
}

.contact-icon-badge svg path,
.contact-icon-badge svg circle {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}


.contact-details h4 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-details p {
    color: var(--text-light);
    margin-bottom: 8px;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-block;
    margin-right: 16px;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--primary-dark);
}

.support-link {
    margin-top: 8px;
    display: block;
}

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

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

.footer-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.footer-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-social-link {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.footer-social-link svg {
    width: 18px;
    height: 18px;
}

.footer-social-link img {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(1);
}

.footer-social-link svg path,
.footer-social-link svg rect,
.footer-social-link svg circle {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.footer-social-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-1px);
}

.footer-apps {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.app-store-btn,
.google-play-btn {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.app-store-btn img,
.google-play-btn img {
    height: 40px;
    width: auto;
    display: block;
}

.app-store-btn:hover,
.google-play-btn:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo img {
        height: 32px;
    }

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

    .nav-wrapper {
        position: relative;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .desktop-only {
        display: none;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        display: none;
        margin-top: 16px;
        z-index: 1000;
    }

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

    .nav-menu li {
        padding: 12px 24px;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        font-size: 16px;
        display: block;
        width: 100%;
    }

    .nav-menu-cta {
        padding: 12px 24px;
    }

    .nav-menu-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .nav-cta {
        padding: 8px 16px;
        font-size: 13px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .hero-content {
        order: 2;
    }

    .hero-image {
        order: 1;
        justify-content: center;
    }

    .hero-headline {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .hero-subheadline {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: baseline;
        gap: 8px;
    }

    .btn {
        text-align: center;
    }

    section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .about {
        padding: 60px 0;
        min-height: auto;
    }

    .about-title {
        font-size: clamp(32px, 8vw, 48px);
        margin-bottom: 12px;
    }

    .about-subtitle {
        font-size: clamp(18px, 4vw, 24px);
        margin-bottom: 20px;
    }

    .vm-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .vm-card {
        width: 100%;
        max-width: 100%;
    }

    .feature-section {
        min-height: auto;
        padding: 60px 0;
    }

    .feature-card {
        flex-direction: column;
        padding: 40px 24px;
        gap: 32px;
        width: 100%;
        max-width: 100%;
        min-height: auto;
    }

    .features-list .feature-section:nth-child(even) .feature-card {
        flex-direction: column;
    }
    

    .feature-image {
        flex: 0 0 auto;
        width: 100%;
        max-width: 300px;
        height: 300px;
        margin: 0 auto;
        overflow: hidden;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .feature-content {
        text-align: center;
        width: 100%;
    }

    .feature-content h3 {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .feature-list-items li {
        font-size: 14px;
    }

    .download::before {
        background-attachment: scroll;
    }

    .download-content .section-subtitle {
        font-size: 14px;
        line-height: 1.2;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        width: 100%;
        max-width: 100%;
    }

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

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

    .strategy-item {
        width: 100%;
        max-width: 100%;
    }

    .strategy-item h3 {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .strategy-item p {
        font-size: 14px;
    }

    .download-buttons {
        gap: 8px
    }
    .download-btn img {
        height: 40px;
        width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .about-title {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .about-subtitle {
        font-size: 16px;
        margin-bottom: 16px;
    }

    .vm-card,
    .feature-card,
    .contact-item,
    .strategy-item {
        padding: 24px 16px;
        width: 100%;
        max-width: 100%;
    }

    .feature-card {
        gap: 24px;
    }

    .feature-image {
        width: 100%;
        max-width: 280px;
        height: 280px;
        margin: 0 auto;
        overflow: hidden;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }
}