@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --primary: #0f2a4a; /* Темно-синий "Heidt-Robers" */
    --accent: #d90a2c; /* Красный для "Расчета" */
    --whatsapp: #25D366; /* Зеленый WhatsApp */
    --bg: #f4f6f9;
    --white: #ffffff;
    --text: #333;
    --card-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); margin: 0; padding-bottom: 60px; }
a { text-decoration: none; }

/* Шапка */
header { background: var(--white); padding: 20px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
.nav-container { max-width: 1000px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.25rem; font-weight: 800; color: var(--primary); text-transform: uppercase; margin-right: auto; letter-spacing: 0.02em; }
.nav-links a { color: var(--primary); margin-left: 20px; font-weight: 600; }

@keyframes textShimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

header .nav a {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: linear-gradient(110deg, #3a4f69 25%, #0f2a4a 50%, #3a4f69 75%);
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: textShimmer 5s linear infinite;
}

header .nav a:hover {
    background: linear-gradient(110deg, #d4a800 20%, #ffffff 50%, #d4a800 80%);
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: textShimmer 4s linear infinite;
}

/* Основной контейнер */
.container { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }

/* СЕТКА (КРАСИВЫЕ КЛИКАБЕЛЬНЫЕ КНОПКИ) */
.grid-menu { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
    gap: 20px; 
    margin-top: 30px; 
}

.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(0,0,0,0.05);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    border-color: var(--primary);
}

.icon-box { font-size: 3rem; margin-bottom: 15px; }
.card-title { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.card-desc { font-size: 0.9rem; color: #666; margin-bottom: 20px; }
.fake-btn { margin-top: auto; color: var(--accent); font-weight: 700; font-size: 0.9rem; }

/* СТРАНИЦА ПРОДУКТА */
.product-hero {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
}

.visual-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(120deg, #e0e7ff, #f0f4f8); /* Плейсхолдер для картинки */
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-weight: bold; font-size: 1.5rem;
}

.product-content { padding: 40px; }
.product-content h1 { font-size: 2.2rem; color: var(--primary); margin-bottom: 15px; }

/* КНОПКИ ДЕЙСТВИЯ (WhatsApp и Расчет) */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.btn-wa {
    flex: 1;
    background: var(--whatsapp);
    color: white;
    padding: 18px;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    min-width: 250px;
}
.btn-wa:hover { background: #1ebc57; }

.btn-calc {
    flex: 1;
    background: var(--accent);
    color: white;
    padding: 18px;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    min-width: 250px;
}
.btn-calc:hover { background: #b00620; }

/* Footer */
footer { text-align: center; color: #888; margin-top: 50px; font-size: 0.9rem; }


header .nav a.logo {
    font-size: 1.25rem;
    letter-spacing: 0.02em;
}