:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-bg-card: #ffffff;
    --color-primary: #0369a1;
    --color-primary-dark: #075985;
    --color-accent: #0891b2;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-dark: #334155;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-partner: #7c3aed;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --transition: 150ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

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

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

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--color-bg);
    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: 10px;
    font-weight: 600;
    font-size: 18px;
}

.logo__icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.logo__text {
    letter-spacing: -0.02em;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

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

.nav__external {
    width: 14px;
    height: 14px;
    opacity: 0.5;
}

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

.menu-toggle__icon {
    width: 24px;
    height: 24px;
}

.menu-toggle__icon--close {
    display: none;
}

.menu-toggle.active .menu-toggle__icon:first-child {
    display: none;
}

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

.hero {
    position: relative;
    padding: 160px 0 200px;
    background: var(--color-bg-alt);
    overflow: hidden;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.hero__badge svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.hero__title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 24px;
}

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

.hero__underline {
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 16px;
    color: var(--color-accent);
    opacity: 0.4;
}

.hero__description {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    max-width: 480px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition);
}

.btn--primary {
    background: var(--color-primary);
    color: white;
    border: 2px solid var(--color-primary);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn--primary:hover svg {
    transform: translateX(4px);
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 320px;
    height: 320px;
}

.hero__grid-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.hero__grid-item:nth-child(1) {
    animation: float 6s ease-in-out infinite;
}

.hero__grid-item:nth-child(2) {
    animation: float 6s ease-in-out infinite 0.5s;
}

.hero__grid-item:nth-child(3) {
    animation: float 6s ease-in-out infinite 1s;
}

.hero__grid-item:nth-child(4) {
    animation: float 6s ease-in-out infinite 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.section-divider {
    position: absolute;
    left: 0;
    right: 0;
    width: 100%;
    height: 120px;
    pointer-events: none;
}

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

.section-divider--services {
    top: -1px;
    color: var(--color-bg-dark);
}

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

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

.section-title {
    position: relative;
    display: inline-block;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-underline {
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 16px;
    color: var(--color-accent);
    opacity: 0.5;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-muted);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.service-card__header {
    margin-bottom: 24px;
}

.service-card__title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.service-card__name {
    font-size: 20px;
    font-weight: 600;
}

.status {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 100px;
    white-space: nowrap;
}

.status--warning {
    background: #fef3c7;
    color: var(--color-warning);
    border: 1px solid #fcd34d;
}

.status--partner {
    background: #ede9fe;
    color: var(--color-partner);
    border: 1px solid #c4b5fd;
}

.status--active {
    background: #d1fae5;
    color: var(--color-success);
    border: 1px solid #6ee7b7;
}

.service-card__description {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.service-card__subservices {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.subservice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.subservice__icon {
    width: 18px;
    height: 18px;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 2px;
}

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

.subservice__name {
    font-size: 14px;
    font-weight: 500;
}

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

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

.stats__content {
    display: flex;
    justify-content: center;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 64px;
    background: transparent;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), background var(--transition);
    text-decoration: none;
}

.stat:hover {
    border-color: var(--color-accent);
    background: rgb(255 255 255 / 0.03);
}

.stat__value {
    font-size: 48px;
    font-weight: 700;
    color: white;
    letter-spacing: -0.02em;
}

.stat__label {
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 4px;
}

.stat__arrow {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    margin-top: 16px;
    opacity: 0;
    transform: translate(-4px, 4px);
    transition: opacity var(--transition), transform var(--transition);
}

.stat:hover .stat__arrow {
    opacity: 1;
    transform: translate(0, 0);
}

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

.team__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.team-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition);
}

.team-card:hover {
    border-color: var(--color-primary);
}

.team-card__avatar {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    flex-shrink: 0;
}

.team-card__avatar svg {
    width: 32px;
    height: 32px;
    color: var(--color-text-muted);
}

.team-card__info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.team-card__name {
    font-size: 18px;
    font-weight: 600;
}

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

.team-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    transition: color var(--transition);
}

.team-card__link:hover {
    color: var(--color-primary-dark);
}

.team-card__link svg {
    width: 14px;
    height: 14px;
}

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

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    text-align: center;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.logo--footer {
    color: white;
}

.logo--footer .logo__icon {
    color: var(--color-accent);
}

.footer__tagline {
    font-size: 14px;
    color: var(--color-text-light);
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
}

.footer__link {
    font-size: 14px;
    color: var(--color-text-light);
    transition: color var(--transition);
}

.footer__link:hover {
    color: white;
}

.footer__copyright {
    font-size: 13px;
    color: var(--color-text-muted);
}

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

    .hero__title {
        font-size: 40px;
    }

    .hero__description {
        max-width: none;
    }

    .hero__visual {
        display: none;
    }

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

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

@media (max-width: 640px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

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

    .nav__list {
        flex-direction: column;
        gap: 0;
    }

    .nav__item {
        width: 100%;
    }

    .nav__link {
        display: flex;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-border);
    }

    .nav__item:last-child .nav__link {
        border-bottom: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 160px;
    }

    .hero__title {
        font-size: 32px;
    }

    .hero__description {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .service-card {
        padding: 24px;
    }

    .service-card__title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .stat {
        padding: 32px 48px;
    }

    .stat__value {
        font-size: 36px;
    }

    .team-card {
        flex-direction: column;
        text-align: center;
    }

    .footer__nav {
        gap: 16px 24px;
    }
}