/* Переменные проекта */
:root {
    --main-green: #4CAF50;
    --light-bg: #b8fdf4;
    --dark-green: #2e7d32;
    --accent-green: #e8f5e9;
    --white: #ffffff;
    --text: #333;
    --shadow: 0 10px 30px rgba(0,0,0,0.06);
    --radius: 20px;
}

/* Общие стили */
* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--light-bg);
    color: var(--text);
    line-height: 1.6;
}

/* Шапка */
header {
    /* Градиент: темнее (#a2e8df) -> ваш цвет (#b8fdf4) -> темнее (#a2e8df) */
    background: linear-gradient(to bottom, #a2e8df 0%, #b8fdf4 50%, #a2e8df 100%);
    padding: 15px 5%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); /* Легкая тень для отделения от контента */
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Верхний ряд */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 15px;
}

.logo {
    flex: 1;
    font-weight: 800;
    color: var(--dark-green);
    font-size: 1.4rem;
}

.logo .accent-red { color: #e53935; }

.phone {
    flex: 1;
    text-align: right;
    font-weight: bold;
    font-size: 1.1rem;
}

/* Кнопка языков (Центр) */
.lang-switcher {
    flex: 0;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#langBtn {
    background: linear-gradient(145deg, #ffffff, #f0f0f0);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    color: var(--main-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 4px 4px 10px #d1d9e6, -4px -4px 10px #ffffff;
    transition: all 0.3s ease;
    outline: none;
}

#langBtn:hover {
    color: var(--dark-green);
    transform: scale(1.1) rotate(15deg);
    box-shadow: 6px 6px 15px #c5cedb, -6px -6px 15px #ffffff;
}

#langBtn:active {
    transform: scale(0.95);
    box-shadow: inset 2px 2px 5px #c5cedb, inset -2px -2px 5px #ffffff;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: var(--white);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
    border-radius: 16px;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 160px;
    z-index: 9999;
    overflow: hidden;
}

.dropdown-content.show {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

.dropdown-content span {
    display: block;
    padding: 12px 15px;
    cursor: pointer;
    text-align: center;
    border-bottom: 1px solid #f5f5f5;
}

.dropdown-content span:hover { background: var(--accent-green); color: var(--dark-green); }

/* Навигация (ПРАВАЯ СТОРОНА) */
nav .menu {
    display: flex;
    justify-content: flex-end;
    list-style: none;
    padding: 0;
    max-width: 1200px;
    margin: 15px auto 0;
}

nav .menu li { margin-left: 30px; }

nav .menu a {
    text-decoration: none;
    color: #666;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
}

nav .menu a:hover { color: var(--main-green); }

/* Hero секция */
.hero {
    padding: 100px 20px 60px;
    text-align: center;
}

.hero h1 { font-size: 3.2rem; color: var(--dark-green); margin-bottom: 25px; font-weight: 800; }
.hero p { font-size: 1.3rem; color: #555; max-width: 800px; margin: 0 auto 40px; }

.hero-badge {
    display: inline-block;
    background: var(--accent-green);
    color: var(--dark-green);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(76, 175, 80, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Услуги */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.service-card {
    background: var(--white);
    padding: 45px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: 0.3s ease;
}

.service-card:hover { transform: translateY(-10px); }
.service-card .icon { font-size: 2.5rem; color: var(--main-green); margin-bottom: 20px; }

/* Кнопки */
.cta-button {
    display: inline-block;
    padding: 22px 60px;
    background: var(--main-green);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(76, 175, 80, 0.3);
}

.action-area { text-align: center; padding: 60px 20px; }

/* Подвал */
footer {
    padding: 40px;
    text-align: center;
    border-top: 1px solid #eee;
    margin-top: 60px;
    color: #999;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

/* Мобильная версия */
@media (max-width: 768px) {
    .header-top { flex-direction: column; gap: 15px; }
    .logo, .phone { text-align: center; }
    nav .menu { justify-content: center; }
    nav .menu li { margin: 0 10px; }
    .services-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
}
.about-hero {
    padding: 80px 20px;
    text-align: center;
    background: var(--accent-green);
}

.about-hero h1 {
    font-size: 2.5rem;
    color: var(--dark-green);
    margin-bottom: 20px;
}

.about-hero p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.2rem;
    color: #444;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: -40px auto 60px;
    padding: 0 20px;
}

.feature-item {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.feature-item i {
    font-size: 3rem;
    color: var(--main-green);
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .about-features { grid-template-columns: 1fr; margin-top: 20px; }
}