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

:root {
    --bg: #0A0A0A;
    --card: #1A1A1A;
    --card-border: #2A2A2A;
    --accent: #E4FE00;
    --text: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-tertiary: #666666;
    --max-width: 1100px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.8;
}

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

/* === Layout === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

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

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

.nav-links a {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
    opacity: 1;
}

/* === Hero === */
.hero {
    padding: 160px 0 80px;
    text-align: center;
}

.hero-logo {
    height: 56px;
    width: auto;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero h1 .accent {
    color: var(--accent);
}

.hero .subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

/* === App Store Button === */
.app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--text);
    color: #000;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.app-store-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(228, 254, 0, 0.15);
    opacity: 1;
}

.app-store-btn svg {
    width: 24px;
    height: 24px;
}

.app-store-btn .btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.app-store-btn .btn-label {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.7;
}

.app-store-btn .btn-store {
    font-size: 18px;
    font-weight: 600;
}

/* === Screenshots === */
.screenshots {
    padding: 60px 0 80px;
}

.screenshots-heading {
    text-align: center;
    margin-bottom: 48px;
}

.screenshots-heading h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.screenshots-heading p {
    color: var(--text-secondary);
    font-size: 16px;
}

.screenshots-row {
    display: flex;
    justify-content: center;
    gap: 32px;
    overflow-x: auto;
    padding: 0 16px 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.screenshots-row::-webkit-scrollbar {
    display: none;
}

/* === Phone Mockup === */
.phone-mockup {
    flex-shrink: 0;
    width: 260px;
    position: relative;
}

.phone-frame {
    background: #1A1A1A;
    border-radius: 36px;
    padding: 12px;
    border: 2px solid #2A2A2A;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s, box-shadow 0.3s;
}

.phone-frame:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.6);
}

.phone-screen {
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 9 / 19.5;
    background: #000;
}

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

.phone-label {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* === Features === */
.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 32px;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* === Page Content (About, Contact) === */
.page-hero {
    padding: 140px 0 60px;
    text-align: center;
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: 0 0 80px;
}

.content-section {
    max-width: 720px;
    margin: 0 auto 48px;
}

.content-section h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--accent);
}

.content-section p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.content-section ul {
    list-style: none;
    padding: 0;
}

.content-section li {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.content-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

/* === Contact Cards === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
}

.contact-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: border-color 0.2s;
}

.contact-card:hover {
    border-color: var(--accent);
}

.contact-card .icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

.contact-card a {
    color: var(--accent);
    font-weight: 500;
}

/* === Footer === */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 40px 0;
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo img {
    height: 24px;
    width: auto;
    opacity: 0.6;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    color: var(--text-tertiary);
    font-size: 14px;
}

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

.footer-copy {
    color: var(--text-tertiary);
    font-size: 13px;
}

/* === Responsive === */
@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero .subtitle {
        font-size: 17px;
    }

    .hero-logo {
        height: 44px;
    }

    .screenshots-row {
        justify-content: flex-start;
        gap: 20px;
        padding: 0 24px 16px;
    }

    .phone-mockup {
        width: 220px;
    }

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

    .feature-card {
        padding: 24px;
    }

    .page-hero h1 {
        font-size: 32px;
    }

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

    .footer .container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .phone-mockup {
        width: 200px;
    }

    .screenshots-heading h2 {
        font-size: 24px;
    }
}

/* === Privacy Policy === */
.content-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--text);
}

.content-section li strong {
    color: var(--text);
}

.policy-meta {
    font-size: 14px;
    color: var(--text-tertiary) !important;
    font-style: italic;
    margin-bottom: 24px !important;
}