:root {
    --bg-dark: #09090b;
    --bg-soft: #101014;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #cfcfe1;
    --accent-1: #8b5cf6;
    --accent-2: #6d5efc;
    --accent-3: #3b82f6;
    --surface-color: rgba(19, 19, 24, 0.62);
    --surface-strong: rgba(22, 22, 29, 0.82);
    --surface-border: rgba(255, 255, 255, 0.08);
    --surface-highlight: rgba(255, 255, 255, 0.14);
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #6d5efc 55%, #3b82f6 100%);
    --gradient-soft: linear-gradient(180deg, rgba(139, 92, 246, 0.14) 0%, rgba(59, 130, 246, 0.06) 100%);
    --shadow-lg: 0 32px 80px rgba(0, 0, 0, 0.38);
    --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.28);
    --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-main);
    color: var(--text-primary);
    background:
        radial-gradient(circle at top left, rgba(139, 92, 246, 0.16), transparent 28%),
        radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.14), transparent 30%),
        var(--bg-dark);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: linear-gradient(180deg, rgba(9, 9, 11, 0.15) 0%, rgba(9, 9, 11, 0.82) 100%);
    pointer-events: none;
    z-index: -2;
}

.grid-overlay {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.12;
    z-index: -3;
    mask-image: radial-gradient(circle at center, black 35%, transparent 90%);
}

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.38;
    z-index: -4;
    animation: float 12s ease-in-out infinite alternate;
}

.orb-1 {
    width: 420px;
    height: 420px;
    background: rgba(139, 92, 246, 0.8);
    top: -120px;
    left: -100px;
}

.orb-2 {
    width: 520px;
    height: 520px;
    background: rgba(59, 130, 246, 0.58);
    right: -140px;
    bottom: -200px;
    animation-delay: -4s;
}

@keyframes float {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to { transform: translate3d(26px, 44px, 0) scale(1.1); }
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.section-gap {
    padding: 88px 0;
}

.glass-card {
    background: var(--gradient-soft), var(--surface-color);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(16px);
    background: rgba(9, 9, 11, 0.42);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 86px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    box-shadow: 0 10px 24px rgba(139, 92, 246, 0.28);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-title {
    font-weight: 700;
    font-size: 1.05rem;
}

.brand-subtitle {
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a,
.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-switch {
    display: inline-flex;
    padding: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
}

.lang-btn {
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 40px;
    align-items: center;
    min-height: calc(100vh - 86px);
    padding-top: 32px;
    padding-bottom: 56px;
}

.eyebrow,
.section-kicker,
.panel-pill,
.trusted-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    border-radius: 999px;
}

.eyebrow {
    padding: 10px 16px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.26);
    color: #ddd6fe;
}

.eyebrow-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #a78bfa;
    box-shadow: 0 0 14px rgba(167, 139, 250, 0.95);
}

.hero-title {
    margin: 22px 0 18px;
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.hero-description {
    max-width: 720px;
    font-size: 1.08rem;
    line-height: 1.9;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 20px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.btn-primary {
    color: white;
    background: var(--gradient-primary);
    box-shadow: 0 18px 40px rgba(109, 94, 252, 0.32);
}

.btn-primary:hover,
.feature-card:hover,
.tool-item:hover,
.capability-card:hover,
.privacy-card:hover {
    transform: translateY(-4px);
}

.btn-secondary {
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.stats-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.stat-card {
    padding: 18px 18px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-card strong {
    display: block;
    font-size: 1.85rem;
    margin-bottom: 8px;
}

.stat-card span {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.hero-visual {
    display: flex;
    justify-content: flex-end;
}

.hero-card {
    width: min(100%, 530px);
    padding: 26px;
    border-radius: 28px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent 40%);
    pointer-events: none;
}

.hero-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.panel-label,
.section-kicker {
    margin: 0 0 8px;
    color: #c4b5fd;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.hero-card-top h2,
.section-heading h2,
.capability-card h2,
.privacy-card h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.panel-pill {
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    white-space: nowrap;
}

.hero-showcase {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 18px;
    align-items: stretch;
}

.logo-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    min-height: 260px;
}

.logo-stage img {
    width: 150px;
    height: 150px;
    border-radius: 32px;
    box-shadow: 0 20px 50px rgba(109, 94, 252, 0.35);
}

.showcase-list {
    display: grid;
    gap: 14px;
}

.mini-card {
    display: flex;
    gap: 14px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-card h3,
.feature-card h3,
.tool-item h3 {
    margin: 0 0 6px;
    font-size: 1.03rem;
}

.mini-card p,
.feature-card p,
.section-heading p,
.capability-card p,
.tool-item p,
.footer-text,
.privacy-card p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.8;
}

.mini-badge,
.feature-icon {
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.12);
    color: #ddd6fe;
}

.trusted-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-bottom: 12px;
}

.trusted-chip {
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
}

.section-heading {
    max-width: 760px;
    text-align: center;
    margin: 0 auto 34px;
}

.section-heading.left {
    margin-left: 0;
    text-align: left;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card,
.capability-card,
.tool-item,
.privacy-card {
    padding: 24px;
    border-radius: 24px;
    transition: var(--transition);
}

.feature-card.featured {
    grid-column: span 2;
}

.feature-list {
    margin: 18px 0 0;
    padding-left: 18px;
    color: var(--text-muted);
    line-height: 1.85;
}

.capability-layout {
    display: grid;
    grid-template-columns: 1.35fr 0.95fr;
    gap: 18px;
}

.capability-card.wide {
    min-height: 100%;
}

.format-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.format-cloud span {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.95rem;
}

.spec-list {
    display: grid;
    gap: 14px;
    margin-top: 24px;
}

.spec-list div {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.spec-list strong {
    font-size: 0.95rem;
}

.spec-list span {
    color: var(--text-secondary);
    line-height: 1.7;
}

.toolbox-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.tool-item.emphasis {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(59, 130, 246, 0.08));
}

.privacy-card {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
    align-items: center;
}

.privacy-points {
    display: grid;
    gap: 14px;
}

.privacy-points div {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.privacy-points i {
    color: #ddd6fe;
}

.footer {
    padding: 24px 0 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-title {
    margin: 0 0 6px;
    font-weight: 700;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

@media (max-width: 1100px) {
    .hero,
    .capability-layout,
    .privacy-card {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 48px;
    }

    .hero-visual {
        justify-content: stretch;
    }

    .hero-card {
        width: 100%;
    }

    .feature-grid,
    .toolbox-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .nav-links {
        display: none;
    }

    .hero-showcase {
        grid-template-columns: 1fr;
    }

    .logo-stage {
        min-height: 220px;
    }

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

    .feature-card.featured {
        grid-column: span 1;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .section-gap {
        padding: 64px 0;
    }

    .nav-content {
        min-height: 74px;
    }

    .brand-subtitle {
        display: none;
    }

    .hero-title {
        font-size: 2.6rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero-card,
    .feature-card,
    .tool-item,
    .capability-card,
    .privacy-card {
        padding: 20px;
        border-radius: 20px;
    }

    .container {
        width: min(1180px, calc(100% - 20px));
    }
}