:root {
    --primary-color: #0052cc;
    --secondary-color: #00a3bf;
    --bg-color: #f4f7fa;
    --card-bg: #ffffff;
    --text-main: #172b4d;
    --text-muted: #5e6c84;
    --accent-color: #36b37e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
header {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    margin-left: 25px;
    font-weight: 500;
    transition: 0.3s;
}

nav a:hover, nav a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Main Layout */
main {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    margin-bottom: 80px;
}

@media (max-width: 992px) {
    main { grid-template-columns: 1fr; }
}

/* Product Cards */
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-group { margin-bottom: 40px; }
.category-name {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 15px;
    padding-left: 5px;
}

.product-grid {
    display: grid;
    gap: 15px;
}

.product-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: 0.3s;
    border: 2px solid transparent;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(0,0,0,0.05);
}

.product-card.active {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

.product-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.product-info i {
    font-size: 24px;
    color: var(--primary-color);
    width: 40px;
    text-align: center;
}

.product-details h3 { font-size: 1.1rem; margin-bottom: 4px; }
.product-details p { font-size: 0.85rem; color: var(--text-muted); }

.product-meta { text-align: right; }
.product-fee { font-weight: 700; color: var(--accent-color); font-size: 0.9rem; }
.product-speed { font-size: 0.8rem; color: var(--text-muted); }

/* Order Form */
.order-panel {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    position: sticky;
    top: 20px;
}

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #dfe1e6;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

.form-group input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(0,82,204,0.1); }

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.submit-btn:hover { background: #0045ad; transform: translateY(-1px); }

/* Trust Banner */
.trust-banner {
    background: white;
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid #eee;
}

.trust-items {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.trust-item { text-align: center; max-width: 250px; }
.trust-item i { font-size: 32px; color: var(--accent-color); margin-bottom: 15px; }
.trust-item h4 { margin-bottom: 8px; }
.trust-item p { font-size: 0.85rem; color: var(--text-muted); }

/* Footer */
footer {
    padding: 60px 0;
    background: #172b4d;
    color: #ebecf0;
    text-align: center;
}

.footer-links { margin-top: 20px; }
.footer-links a { color: #97a0af; text-decoration: none; margin: 0 15px; font-size: 0.9rem; }