:root {
    --color-bg: #0a0a0b;
    --color-bg-alt: #111113;
    --color-bg-card: #18181b;
    --color-bg-card-hover: #1f1f23;
    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-accent: #22c55e;
    --color-text: #fafafa;
    --color-text-muted: #a1a1aa;
    --color-text-dim: #71717a;
    --color-border: #27272a;
    --color-border-light: #3f3f46;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo__text {
    color: var(--color-primary);
}

.logo__accent {
    color: var(--color-text);
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-text);
    background-color: var(--color-bg-card);
}

.nav__link--btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.nav__link--btn:hover {
    background-color: var(--color-bg-card-hover);
    border-color: var(--color-border-light);
}

.menu-toggle {
    display: none;
    padding: 8px;
    color: var(--color-text);
}

.menu-toggle .close-icon {
    display: none;
}

.menu-toggle.active .menu-icon {
    display: none;
}

.menu-toggle.active .close-icon {
    display: block;
}

.hero {
    position: relative;
    padding: 160px 0 120px;
    background-color: var(--color-bg);
    overflow: hidden;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero__content {
    position: relative;
    z-index: 2;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero__title-line {
    display: block;
    color: var(--color-text-muted);
}

.hero__title-accent {
    position: relative;
    display: inline-block;
    color: var(--color-text);
}

.hero__underline {
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 12px;
    color: var(--color-primary);
}

.hero__subtitle {
    margin-top: 24px;
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 480px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn--primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-bg-card-hover);
    border-color: var(--color-border-light);
}

.hero__visual {
    position: relative;
    z-index: 1;
}

.hero__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.hero__grid-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.hero__grid-item:hover {
    background-color: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    color: var(--color-text);
    transform: translateY(-4px);
}

.hero__grid-item--1 { animation: float 6s ease-in-out infinite; }
.hero__grid-item--2 { animation: float 6s ease-in-out infinite 0.5s; }
.hero__grid-item--3 { animation: float 6s ease-in-out infinite 1s; }
.hero__grid-item--4 { animation: float 6s ease-in-out infinite 1.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.hero__wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 80px;
    color: var(--color-bg-alt);
}

.stats {
    padding: 80px 0;
    background-color: var(--color-bg-alt);
}

.stats__grid {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 48px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card__value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.stat-card__label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.services {
    position: relative;
    padding: 100px 0 140px;
    background-color: var(--color-bg-alt);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-subtitle {
    margin-top: 12px;
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

.section-underline {
    width: 200px;
    height: 8px;
    margin: 16px auto 0;
    color: var(--color-primary);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 32px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card--partner {
    border-color: var(--color-accent);
}

.service-card--partner::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: var(--color-accent);
    -webkit-mask: linear-gradient(135deg, transparent 50%, var(--color-accent) 100%);
    mask: linear-gradient(135deg, transparent 50%, var(--color-accent) 100%);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
}

.service-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.service-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.service-card__badge {
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-bg);
    background-color: var(--color-accent);
    border-radius: 999px;
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.service-card__description {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.service-card__list {
    margin-top: 20px;
    padding-left: 0;
    list-style: none;
}

.service-card__list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.875rem;
    color: var(--color-text-dim);
    margin-bottom: 8px;
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 24px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

.service-card__link:hover {
    gap: 12px;
}

.section-wave {
    position: absolute;
    left: 0;
    width: 100%;
    height: 80px;
}

.section-wave--bottom {
    bottom: -1px;
    color: var(--color-bg);
}

.team {
    padding: 120px 0;
    background-color: var(--color-bg);
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.team-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 32px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.team-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.team-card__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: var(--color-bg);
    border-radius: 50%;
    color: var(--color-text-dim);
    margin-bottom: 24px;
}

.team-card__name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-card__role {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.team-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    padding: 8px 16px;
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.team-card__link:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.footer {
    padding: 64px 0 32px;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer__brand {
    text-align: center;
}

.logo--footer {
    font-size: 1.25rem;
}

.footer__tagline {
    margin-top: 8px;
    font-size: 0.875rem;
    color: var(--color-text-dim);
}

.footer__links {
    display: flex;
    gap: 24px;
}

.footer__links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer__copyright {
    font-size: 0.75rem;
    color: var(--color-text-dim);
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero__visual {
        order: -1;
    }

    .hero__grid {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 24px;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        width: 100%;
        text-align: center;
        padding: 12px 16px;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 100px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .stats {
        padding: 60px 0;
    }

    .stat-card {
        padding: 24px 32px;
    }

    .stat-card__value {
        font-size: 2rem;
    }

    .services {
        padding: 80px 0 120px;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .team {
        padding: 80px 0;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero__grid-item {
        height: 100px;
        font-size: 0.75rem;
    }

    .service-card {
        padding: 24px;
    }
}