:root {
    --bg: #ffffff;
    --bg-alt: #f7f8fa;
    --text: #1a1d23;
    --text-muted: #5b6470;
    --accent: #2c5cc5;
    --accent-hover: #1e47a0;
    --border: #e4e7ec;
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
}

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

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    z-index: 10;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
}

.logo__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: var(--accent);
    color: #fff;
    border-radius: 8px;
    font-size: 18px;
}

.nav {
    display: flex;
    gap: 28px;
    font-size: 15px;
    color: var(--text-muted);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.15s ease;
    cursor: pointer;
}

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

.btn--primary:hover { background: var(--accent-hover); }

.btn--outline {
    border: 1px solid var(--border);
    color: var(--text);
}

.btn--outline:hover { border-color: var(--accent); color: var(--accent); }

.btn--ghost { color: var(--accent); }

/* Hero */
.hero {
    padding: 96px 0;
    background: linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
}

.hero__inner { max-width: 720px; }

.hero h1 {
    font-size: 44px;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

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

/* Sections */
.section { padding: 80px 0; }
.section--alt { background: var(--bg-alt); }

.section__title {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 40px;
}

/* Grid */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: 1.4fr 1fr; align-items: start; }

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
}

.card__icon { font-size: 28px; margin-bottom: 16px; }

.card h3 {
    font-size: 19px;
    margin-bottom: 10px;
}

.card p { color: var(--text-muted); font-size: 15px; }

/* Stats */
.stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.stat__num {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent);
}

.stat__label {
    color: var(--text-muted);
    font-size: 15px;
}

/* Contacts */
.contacts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contacts__item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contacts__label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.contacts__item a { color: var(--accent); }

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    font-size: 14px;
    color: var(--text-muted);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

/* Mobile */
@media (max-width: 860px) {
    .nav { display: none; }
    .hero h1 { font-size: 32px; }
    .grid--3, .grid--2, .contacts { grid-template-columns: 1fr; }
    .section { padding: 56px 0; }
    .hero { padding: 64px 0; }
}