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

body {
    background-color: #0d0d0d;
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    width: 100%;
    padding: 20px 0;
    background-color: rgba(13, 13, 13, 0.95);
    position: fixed;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #333;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #b0b8c1;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.nav-right {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-right a {
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
}

.premium-btn {
    color: #FFA116;
}

.login-btn {
    color: #ffffff;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    /* offset navbar */
    position: relative;
    background: radial-gradient(circle at 10% 20%, rgba(255, 161, 22, 0.05) 0%, rgba(13, 13, 13, 1) 50%);
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 40px;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #ffffff;
    background: linear-gradient(180deg, #FFFFFF 0%, #B0B8C1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 18px;
    color: #8c8c8c;
    margin-bottom: 40px;
}

/* Buttons */
.download-btns {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-ios {
    background-color: #FFA116;
    color: #000000;
}

.btn-ios:hover {
    background-color: #ffb446;
    transform: translateY(-2px);
}

.btn-android {
    background-color: transparent;
    color: #FFA116;
    border: 1px solid #FFA116;
}

.btn-android:hover {
    background-color: rgba(255, 161, 22, 0.1);
    transform: translateY(-2px);
}

/* Visual / Mockup */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100%;
}

.phone-mockup {
    position: relative;
    /* Aspect ratio height/width of 17promax: 3000/1470 ≈ 2.04 */
    width: 320px;
    height: 653px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    /* Put frame on top */
    pointer-events: none;
}

/* Carousel container is slightly smaller to fit inside the screen */
.carousel {
    position: absolute;
    z-index: 1;
    /* Behind the frame */
    width: 288px;
    /* height: 620px; */
    top: 14px;
    /* Center roughly */
    left: 16px;
    border-radius: 36px;
    /* Smooth corners for the display */
    overflow: hidden;
    background-color: #1a1a1a;
}

.carousel-inner {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease-in-out;
}

.carousel-inner img {
    min-width: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Footer */
.footer {
    padding: 20px 0;
    background-color: #0d0d0d;
    border-top: 1px solid #222;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    color: #666;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #FFA116;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 60px;
    }

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

    .download-btns {
        justify-content: center;
    }

    .hero-visual {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 575px) {
    .hero-content h1 {
        font-size: 44px;
    }
}

@media (max-width: 680px) {
    .footer-links {
        display: none;
    }
}