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

:root {
    --accent: #6C5CE7;
    --accent-light: #a29bfe;
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface-2: #1a1a25;
    --text: #ffffff;
    --text-secondary: #8b8b9e;
    --text-tertiary: #5a5a6e;
    --border: rgba(255, 255, 255, 0.06);
    --glow: rgba(108, 92, 231, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Nav */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 10, 15, 0.8);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
}

.logo-icon.small {
    width: 28px;
    height: 28px;
    font-size: 14px;
    border-radius: 8px;
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--accent) !important;
    color: var(--text) !important;
    padding: 8px 20px;
    border-radius: 100px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white;
    box-shadow: 0 4px 20px var(--glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.3);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 18px 36px;
    font-size: 17px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    max-width: 1100px;
    margin: 0 auto;
    gap: 60px;
    position: relative;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.globe-grid {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    opacity: 0.5;
}

.hero-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(48px, 7vw, 72px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-light), #74b9ff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Phone Mockup */
.hero-visual {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--surface);
    border-radius: 36px;
    padding: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5), 0 0 60px var(--glow);
    position: relative;
    overflow: hidden;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: var(--bg);
    border-radius: 0 0 16px 16px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg);
    border-radius: 24px;
    padding: 40px 16px 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mock-card {
    background: var(--surface-2);
    border-radius: 16px;
    padding: 12px;
    border: 1px solid var(--border);
}

.mock-card.small {
    opacity: 0.5;
}

.mock-img {
    width: 100%;
    height: 120px;
    background: linear-gradient(135deg, #2d1b69, #1a1a2e);
    border-radius: 10px;
    margin-bottom: 10px;
}

.mock-card.small .mock-img {
    height: 60px;
}

.mock-badges {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}

.mock-badge {
    font-size: 9px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mock-badge.cat {
    background: rgba(108, 92, 231, 0.2);
    color: var(--accent-light);
}

.mock-badge.time {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.mock-title {
    height: 14px;
    width: 90%;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    margin-bottom: 8px;
}

.mock-summary {
    height: 10px;
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    margin-bottom: 5px;
}

.mock-summary.short {
    width: 65%;
}

.mock-voices {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.mock-flag {
    font-size: 14px;
}

.mock-voice-text {
    height: 8px;
    width: 50px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    margin-left: 4px;
}

/* Ticker */
.ticker-section {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.ticker {
    overflow: hidden;
    white-space: nowrap;
}

.ticker-track {
    display: inline-flex;
    gap: 24px;
    animation: scroll 30s linear infinite;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-tertiary);
}

.ticker-track .dot {
    color: var(--text-tertiary);
    opacity: 0.3;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.section-header h2 {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Features */
.features {
    padding: 120px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card.large {
    grid-column: span 3;
    display: flex;
    align-items: center;
    gap: 32px;
    background: linear-gradient(135deg, var(--surface), rgba(108, 92, 231, 0.05));
    border-color: rgba(108, 92, 231, 0.15);
}

.feature-card.large .feature-icon {
    font-size: 56px;
    flex-shrink: 0;
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

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

/* Languages */
.languages {
    padding: 120px 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.lang-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.lang-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
}

.lang-pill:hover {
    border-color: var(--accent);
    transform: scale(1.05);
}

.lang-flag {
    font-size: 22px;
}

/* Discussion */
.discuss {
    padding: 120px 0;
}

.discuss-demo {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.discuss-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.3s;
}

.discuss-card:hover {
    border-color: rgba(108, 92, 231, 0.2);
}

.discuss-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.discuss-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.discuss-meta {
    flex: 1;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.discuss-name {
    font-size: 14px;
    font-weight: 600;
}

.discuss-time {
    font-size: 12px;
    color: var(--text-tertiary);
}

.discuss-lang {
    font-size: 18px;
}

.discuss-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.discuss-reactions {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Download */
.download {
    padding: 120px 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.download-card {
    text-align: center;
    padding: 80px 40px;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(108, 92, 231, 0.02));
    border: 1px solid rgba(108, 92, 231, 0.15);
    border-radius: 32px;
}

.download-card h2 {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 900;
    letter-spacing: -1.5px;
    margin-bottom: 12px;
}

.download-card p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.download-note {
    display: block;
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Footer */
.footer {
    padding: 40px 24px;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
        gap: 40px;
    }

    .hero-sub {
        margin: 0 auto 36px;
    }

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

    .nav-links a:not(.nav-cta) {
        display: none;
    }

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

    .feature-card.large {
        grid-column: span 1;
        flex-direction: column;
        text-align: center;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .lang-pill {
        padding: 10px 18px;
        font-size: 14px;
    }
}