/* ===== GLOBAL ===== */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: #ffffff; /* белый фон для всего сайта */
    color: #111111; /* основной текст темно-серый */
    padding-top: 140px;
}

.container {
    max-width: 1400px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.26); /* почти непрозрачный белый */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.08); /* светлая граница */
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #111111;
    font-weight: 600;
    font-size: 20px;
}

.brand img {
    height: 100px;
    width: auto;
    display: block;
}

/* NAV LINKS */
.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links a {
    color: #111111;
    text-decoration: none;
    position: relative;
}

.nav-links a:hover {
    color: #22c55e; /* зелёный при наведении */
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: #22c55e;
    transform: scaleX(0);
    transition: 0.25s;
}

.nav-links a:hover::after {
    transform: scaleX(1);
}

.language-switcher select {
    background: rgba(0,0,0,.05);
    border: 1px solid rgba(0,0,0,.1);
    color: #111111;
    padding: 6px 10px;
    border-radius: 6px;
}

/* ===== HERO ===== */
.hero {
    padding-top: 140px;
    padding-bottom: 120px;
    text-align: center;
    background: #ffffff;
}

.hero h1 {
    font-size: 46px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #111111;
}

.hero p {
    font-size: 18px;
    color: #333333;
    max-width: 700px;
    margin: auto;
}

.hero-button {
    margin-top: 30px;
    display: inline-block;
    padding: 12px 26px;
    background: #22c55e;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: .2s;
}

.hero-button:hover {
    background: #16a34a;
}

/* ===== ABOUT ===== */
.section {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 32px;
    font-weight: 600;
    color: #111111;
}

.card {
    background: #ffffff; /* светлая карточка */
    border: 1px solid rgba(0,0,0,.08);
    border-radius: 14px;
    padding: 30px;
    color: #111111;
}

.about-block h3 {
    font-size: 20px;
    margin-bottom: 18px;
    color: #111111;
    font-weight: 500;
}

.about-block p,
.about-block div {
    font-size: 20px;
    line-height: 1.7;
    color: #111111;
}

/* разделительная линия */
.divider {
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        rgba(0,0,0,.1),
        transparent
    );
    margin: 40px auto;
    max-width: 600px;
}

/* ===== ABOUT IMAGES ===== */
.about-image {
    margin-top: 22px;
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,.1),
                0 0 0 1px rgba(0,0,0,.05) inset;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transform: scale(1.01);
    transition: transform .4s ease;
}

@media (hover:hover) {
    .about-image:hover img {
        transform: scale(1.05);
    }
}

/* ===== CONTACT ===== */
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: #f9f9f9;
    border: 1px solid #ccc;
    color: #111111;
    border-radius: 8px;
}

.contact-btn {
    background: #22c55e;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    color: white;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid rgba(0,0,0,.08);
    margin-top: 80px;
    color: #111111;
    background: #ffffff;
}

/* ===== WELCOME HERO LIGHT ===== */
.welcome-hero {
    position: relative;
    padding: 140px 0 120px 0;
    background: #ffffff; /* светлый фон */
    overflow: hidden;
}

.welcome-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: none;
    filter: none;
}

.hero-overlay {
    background: transparent;
}

/* текст поверх */
.welcome-hero .container {
    position: relative;
    z-index: 2;
}

/* заголовки в hero */
.header-text h1 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #111111;
}

.header-text p {
    font-size: 20px;
    color: #333333;
    max-width: 520px;
    margin: auto;
    line-height: 1.5;
}

/* ===== ARTICLES HERO ===== */
.articles-hero {
    display: grid;
    grid-template-columns: 1fr 320px;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
}

.articles-hero-text {
    min-width: 0;
}

.articles-hero-illustration {
    display: flex;
    justify-content: flex-end;
}

.illustration-placeholder {
    width: 100%;
    height: 200px;
    border-radius: 16px;
    background: #f5f5f5;
    border: 1px solid rgba(0,0,0,.1);
    box-shadow: 0 10px 30px rgba(0,0,0,.1),
                0 0 0 1px rgba(0,0,0,.05) inset;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999999;
    font-size: 14px;
    letter-spacing: .08em;
    text-transform: uppercase;
    backdrop-filter: none;
}

@media (max-width: 768px) {
    .articles-hero {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .articles-hero-illustration {
        justify-content: center;
    }

    .illustration-placeholder {
        height: 160px;
    }
}

/* ===== BURGER ===== */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger span {
    width: 25px;
    height: 3px;
    background: #111111;
    border-radius: 2px;
    transition: 0.3s;
}

@media (max-width: 992px) {
    .burger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: #ffffff;
        padding: 20px;
        gap: 15px;
        z-index: 999;
    }

    .nav-links a {
        color: #111111;
    }
}