@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-body: #f6f7fb;
    --bg-surface: #ffffff;
    --bg-soft: #eef2ff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border: #e2e8f0;
    --shadow-soft: 0 18px 50px rgba(15, 23, 42, 0.08);
    --accent: #2563eb;
    --accent-strong: #1d4ed8;
    --accent-soft: rgba(37, 99, 235, 0.12);
    --radius-lg: 16px;
    --radius-xl: 22px;
    --nav-height: 72px;
    --max-width: 1120px;
    --transition: 0.2s ease;
    color-scheme: light;
}

:root[data-theme="dark"] {
    --bg-body: radial-gradient(circle at top, #141933 0%, #050712 60%);
    --bg-surface: #0e1020;
    --bg-soft: #141728;
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --border: rgba(255, 255, 255, 0.08);
    --shadow-soft: 0 22px 50px rgba(0, 0, 0, 0.45);
    --accent: #4f8cff;
    --accent-strong: #7f6dff;
    --accent-soft: rgba(79, 140, 255, 0.16);
    color-scheme: dark;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body,
h1,
h2,
h3,
p,
ul {
    margin: 0;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1;
}

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

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

a:hover {
    color: var(--accent-strong);
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.logo-img {
    width: 36px;
    height: auto;
    filter: drop-shadow(0 4px 10px rgba(15, 23, 42, 0.18));
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    gap: 16px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 14px;
}

.nav a {
    padding: 8px 10px;
    border-radius: 12px;
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.nav a:hover {
    color: var(--text-main);
    background: var(--accent-soft);
    transform: translateY(-1px);
}

.nav-cta {
    padding: 9px 14px;
    border-radius: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff !important;
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.25);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 34px rgba(37, 99, 235, 0.32);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    padding: 6px;
    border-radius: 12px;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 4px 0;
    background: var(--text-main);
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-main);
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.theme-toggle:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.18);
}

.theme-toggle__icon {
    font-size: 16px;
    line-height: 1;
}

.theme-toggle__label {
    font-size: 13px;
    font-weight: 600;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    box-shadow: 0 16px 30px rgba(37, 99, 235, 0.35);
}

.btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 38px rgba(37, 99, 235, 0.4);
}

.btn.ghost {
    border-color: var(--border);
    background: var(--bg-surface);
    color: var(--text-main);
}

.btn.ghost:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 26px;
    margin: 0 0 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto 32px;
    font-size: 14px;
}

.hero {
    padding: 72px 0 52px;
    background: linear-gradient(135deg, var(--bg-soft) 0%, transparent 60%);
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(32px, 4vw, 44px);
    margin-bottom: 14px;
}

.hero-text p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 18px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 14px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.hero-meta span {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-soft);
}

.hero-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 22px 20px 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.hero-card h2 {
    margin: 0 0 10px;
    font-size: 18px;
}

.hero-card p {
    margin: 0 0 12px;
    color: var(--text-muted);
    font-size: 14px;
}

.hero-stats {
    list-style: none;
    margin: 0 0 12px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-stats li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
}

.stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 6px;
}

.stat-number {
    font-size: 20px;
    font-weight: 700;
}

.stat-label {
    color: var(--text-muted);
    font-size: 12px;
}

.hero-note {
    margin: 6px 0 0;
    font-size: 12px;
    color: var(--text-muted);
}

.partners {
    background: linear-gradient(180deg, transparent, var(--bg-soft));
}

.partners-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: center;
    margin-top: 24px;
}

.partner-logo {
    min-width: 140px;
    padding: 10px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.metrics {
    background: linear-gradient(180deg, var(--bg-soft), transparent);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.metric {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 14px 12px;
    border: 1px solid var(--border);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.about {
    background: linear-gradient(90deg, var(--bg-soft) 0%, transparent 65%);
}

.about p {
    color: var(--text-muted);
    font-size: 14px;
}

.about-highlights {
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 16px 18px;
    box-shadow: var(--shadow-soft);
}

.about-bullets {
    margin: 12px 0 0;
    padding-left: 18px;
    font-size: 13px;
    color: var(--text-muted);
}

.services {
    background: linear-gradient(180deg, transparent, var(--bg-soft));
}

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

.card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 18px 16px 16px;
    box-shadow: var(--shadow-soft);
    font-size: 13px;
}

.card h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.card p {
    margin: 0 0 10px;
    color: var(--text-muted);
}

.testimonial-card {
    position: relative;
    height: 100%;
}

.testimonials .card {
    background: var(--bg-surface);
}

.testimonial-quote {
    font-size: 14px;
    color: var(--text-main);
    margin: 0 0 10px;
}

.testimonial-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

.section.about .two-col,
.section.why .two-col {
    align-items: start;
}

.two-col {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
}

.plans-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
}

.plan-card {
    position: relative;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 20px 18px 18px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    text-align: center;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.plan-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.18);
    border-color: var(--accent);
}

.plan-popular {
    border-color: var(--accent);
    box-shadow: 0 22px 50px rgba(37, 99, 235, 0.28);
}

.plan-popular-badge {
    position: absolute;
    top: 12px;
    right: 14px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 4px 8px;
    border: 1px solid var(--accent);
    color: var(--text-main);
}

.plan-bubble {
    width: 110px;
    height: 110px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: radial-gradient(circle at 20% 0, var(--accent-strong), var(--accent));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.5);
}

.plan-name {
    font-size: 16px;
    font-weight: 700;
}

.plan-price {
    font-size: 11px;
    opacity: 0.9;
}

.plan-tagline {
    margin: 6px 0 10px;
    font-size: 13px;
    color: var(--text-main);
}

.plan-features {
    list-style: none;
    margin: 0 0 10px;
    padding: 0;
    text-align: left;
    font-size: 12px;
    color: var(--text-muted);
}

.plan-features li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 4px;
}

.plan-features li::before {
    content: "•";
    position: absolute;
    left: 5px;
    top: 0;
    color: var(--accent);
}

.plan-ideal {
    margin: 0;
    font-size: 11px;
    color: var(--text-muted);
}

.plans-note {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

.why {
    background: linear-gradient(135deg, var(--bg-soft), transparent 70%);
}

.why-list {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    font-size: 13px;
    color: var(--text-main);
}

.why-list li {
    margin-bottom: 6px;
    position: relative;
    padding-left: 18px;
}

.why-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.why-compare {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 12px;
}

.why-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 14px 14px 12px;
    font-size: 12px;
    box-shadow: var(--shadow-soft);
}

.why-card-highlight {
    border-color: var(--accent);
    box-shadow: 0 18px 40px rgba(37, 99, 235, 0.22);
}

.team {
    background: linear-gradient(180deg, transparent, var(--bg-soft));
}

.team-grid {
    display: grid;
    gap: 32px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 32px;
}

.team-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 22px 18px 18px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.14);
}

.team-bubble {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    margin: 0 auto 14px;
    background: radial-gradient(circle at 20% 0, var(--accent-strong), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 26px rgba(37, 99, 235, 0.45);
}

.team-initial {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    user-select: none;
}

.team-card h3 {
    margin: 4px 0 4px;
    font-size: 16px;
}

.team-role {
    margin: 0 0 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.team-bio {
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.site-footer {
    padding: 20px 0 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
    gap: 12px;
}

.footer-links a {
    font-size: 12px;
    color: var(--text-muted);
}

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

@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .two-col,
    .plans-grid,
    .metrics-grid,
    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .header-inner {
        align-items: flex-start;
    }

    .nav {
        position: absolute;
        top: var(--nav-height);
        right: 16px;
        left: 16px;
        flex-direction: column;
        background: var(--bg-surface);
        border-radius: 16px;
        padding: 12px;
        border: 1px solid var(--border);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        box-shadow: var(--shadow-soft);
    }

    .nav.open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav a,
    .nav .theme-toggle {
        width: 100%;
    }

    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
    }

    .header-actions {
        gap: 8px;
    }

    .section {
        padding: 48px 0;
    }

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

@media (max-width: 620px) {
    .metrics-grid,
    .cards-grid,
    .plans-grid,
    .two-col {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 52px;
    }

    .hero-meta {
        gap: 8px;
    }
}