/* ===== Базовые переменные ===== */
:root {
    --ink: #14121f;
    --muted: #6b6478;
    --bg: #f6f4fb;
    --surface: #ffffff;
    --violet: #6d28d9;
    --pink: #db2777;
    --orange: #ea580c;
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--ink);
    background-color: var(--bg);
}

h1, h2, h3 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* ===== Шапка / Hero ===== */
header {
    background:
        linear-gradient(135deg, rgba(109, 40, 217, 0.85) 0%, rgba(219, 39, 119, 0.72) 55%, rgba(234, 88, 12, 0.78) 100%),
        url('images/hero-bg.jpg') center/cover no-repeat;
    background-blend-mode: overlay;
    min-height: 100vh;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 20px;
}

header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 5, 18, 0.2) 0%, rgba(8, 5, 18, 0.55) 100%);
}

nav {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    z-index: 10;
}

nav .logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

nav .nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

nav .nav-links a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.18);
    padding: 8px 16px;
    border-radius: 999px;
    transition: background 0.2s ease;
}

nav .nav-links a:hover {
    background: rgba(255, 255, 255, 0.32);
}

.hero {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero h1 {
    font-size: 56px;
    margin: 0;
    line-height: 1.05;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.hero p {
    font-size: 22px;
    margin: 16px 0 28px;
    opacity: 0.95;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero .btn {
    display: inline-block;
    background-color: white;
    color: var(--violet);
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    nav .nav-links a {
        font-size: 13px;
        padding: 6px 12px;
    }
}

/* ===== Секция "О компании" ===== */
#about {
    padding: 80px 20px;
    background-color: var(--surface);
    text-align: center;
}

#about h2 {
    font-size: 36px;
    margin-bottom: 12px;
}

.section-lead {
    color: var(--muted);
    font-size: 18px;
    max-width: 640px;
    margin: 0 auto 40px;
}

.about-points {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 1100px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    text-align: left;
}

.about-points li {
    background: var(--bg);
    border-left: 4px solid var(--violet);
    border-radius: 12px;
    padding: 18px 20px;
    font-size: 16px;
    font-weight: 600;
}

/* ===== Секция "Наши компании" ===== */
#companies {
    padding: 80px 20px;
    text-align: center;
}

#companies h2 {
    font-size: 36px;
    margin-bottom: 12px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    padding: 0;
    max-width: 1200px;
    margin: 40px auto 0;
    text-align: left;
}

.company-card {
    position: relative;
    background-color: var(--surface);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(20, 18, 31, 0.08);
    padding: 28px 24px 24px;
}

.company-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--accent, var(--violet));
}

.company-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent, var(--violet));
    background: color-mix(in srgb, var(--accent, var(--violet)) 14%, white);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.company-card h3 {
    font-size: 22px;
    margin: 0 0 10px;
}

.company-card > p {
    font-size: 15px;
    color: var(--muted);
    margin: 0 0 16px;
    line-height: 1.5;
}

.company-points {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.company-points li {
    position: relative;
    font-size: 14px;
    line-height: 1.5;
    padding-left: 26px;
    margin-bottom: 10px;
}

.company-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent, var(--violet));
    font-weight: 800;
}

.company-points li strong {
    color: var(--ink);
}

.company-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.company-links a {
    background: var(--accent, var(--violet));
    color: white !important;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 999px;
    transition: filter 0.2s ease;
}

.company-links a:hover {
    filter: brightness(0.9);
}

@media (max-width: 480px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Подвал ===== */
footer {
    background-color: var(--ink);
    color: white;
    text-align: center;
    padding: 40px 20px;
    margin-top: 40px;
    border-top: 6px solid;
    border-image: linear-gradient(90deg, var(--violet), var(--pink), var(--orange)) 1;
}

footer p {
    margin: 8px 0;
    opacity: 0.9;
}