/* ===== Variables ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-blue: #4f7cff;
    --accent-purple: #9945ff;
    --gradient-primary: linear-gradient(135deg, #4f7cff 0%, #9945ff 100%);
    --gradient-bg: linear-gradient(135deg, rgba(79, 124, 255, 0.1) 0%, rgba(153, 69, 255, 0.1) 100%);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 60px rgba(79, 124, 255, 0.3);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Gradient Text ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.5rem;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(79, 124, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(153, 69, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(79, 124, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(79, 124, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(79, 124, 255, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--accent-blue);
    background: rgba(79, 124, 255, 0.1);
}

/* ===== Phone Mockup ===== */
.hero-image {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
    width: 280px;
    padding: 12px;
    background: linear-gradient(145deg, #2a2a3e 0%, #1a1a2e 100%);
    border-radius: 40px;
    box-shadow: var(--shadow), var(--shadow-glow);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background: #0a0a0f;
    border-radius: 0 0 20px 20px;
}

.phone-mockup img {
    width: 100%;
    border-radius: 30px;
    display: block;
}

/* ===== Scroll Indicator ===== */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-blue);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0.5; top: 20px; }
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ===== Features Section ===== */
.features {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(79, 124, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-bg);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-blue);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Screenshots Section ===== */
.screenshots {
    padding: 120px 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.screenshots-carousel {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.screenshot-item {
    width: 220px;
    padding: 10px;
    background: linear-gradient(145deg, #2a2a3e 0%, #1a1a2e 100%);
    border-radius: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.screenshot-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow), var(--shadow-glow);
}

.screenshot-item img {
    width: 100%;
    border-radius: 22px;
    display: block;
}

/* ===== Download Section ===== */
.download {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(79, 124, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(153, 69, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.download-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.download-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.store-btn:hover {
    border-color: var(--accent-blue);
    background: rgba(79, 124, 255, 0.1);
    transform: translateY(-3px);
}

.store-btn svg {
    color: var(--text-primary);
}

.store-text {
    display: flex;
    flex-direction: column;
}

.store-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.store-text strong {
    font-size: 1.1rem;
}

.download-image img {
    width: 200px;
    height: 200px;
    border-radius: 40px;
    box-shadow: var(--shadow-glow);
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.3rem;
}

.footer-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Mobile Responsive ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
    }

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

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .screenshots-carousel {
        gap: 20px;
    }

    .screenshot-item {
        width: 160px;
    }

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .download-text h2 {
        font-size: 2rem;
    }

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

    .download-image {
        order: -1;
    }

    .download-image img {
        width: 150px;
        height: 150px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-links {
        gap: 20px;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .phone-mockup {
        width: 220px;
    }

    .screenshot-item {
        width: 140px;
    }

    .store-btn {
        width: 100%;
        justify-content: center;
    }
}