:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #f59e0b;
    --success: #16a34a;
    --danger: #dc2626;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --radius: 10px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
}

/* ── SITE HEADER (logo banner) ── */
.site-header {
    background: linear-gradient(to right, #5585e0 0%, #2563eb 10%, #1e3a8a 100%);
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 3px solid var(--accent);
    box-shadow: 0 2px 10px rgba(0,0,0,0.18);
}
.site-header .brand-link {
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
}
.site-header img {
    height: 117px;
    width: auto;
    transition: transform 0.2s;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.15)) brightness(1.5);
}
.site-header .brand-link:hover img { transform: scale(1.03); }
.site-header .brand-text h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.01em;
}
.site-header .brand-text p {
    color: rgba(255,255,255,0.75);
    font-size: 0.82rem;
    margin-top: 3px;
    letter-spacing: 0.03em;
}
.site-header .header-contact {
    text-align: right;
    color: rgba(255,255,255,0.85);
    font-size: 0.82rem;
    line-height: 1.8;
}
.site-header .header-contact a {
    color: white;
    text-decoration: none;
}
.site-header .header-contact a:hover { text-decoration: underline; }

/* ── NAV BAR (links only) ── */
nav {
    background: #dce6f5;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
nav a {
    color: var(--primary-dark);
    text-decoration: none;
    padding: 14px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-bottom: 3px solid transparent;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    display: inline-block;
}
nav a:hover {
    color: var(--primary);
    background: rgba(37,99,235,0.08);
    border-bottom-color: var(--primary);
}
nav a.active {
    color: var(--primary);
    font-weight: 700;
    border-bottom-color: var(--accent);
}

/* ── HERO ── */
.hero {
    background: linear-gradient(to right, #5585e0 0%, #2563eb 10%, #1e3a8a 100%);
    color: white;
    text-align: center;
    padding: 56px 24px 48px;
    border-bottom: 3px solid var(--accent);
}
.hero h1 { font-size: 2.2rem; margin-bottom: 10px; font-weight: 800; color: white; }
.hero p { font-size: 1.05rem; color: rgba(255,255,255,0.82); max-width: 560px; margin: 0 auto; }
.hero .btn {
    display: inline-block;
    background: var(--accent);
    color: #1e293b;
    padding: 13px 36px;
    border-radius: var(--radius);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.95rem;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.hero .btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.28); }
.hero .info-grid .info-card {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
}
.hero .info-grid .info-card h3 { color: white; }
.hero .info-grid .info-card p { color: rgba(255,255,255,0.78); }
.hero-photo .info-grid .info-card {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
}
.hero-photo .info-grid .info-card h3 { color: white; }
.hero-photo .info-grid .info-card p { color: rgba(255,255,255,0.78); }

/* ── CONTAINER ── */
.container { max-width: 880px; margin: 0 auto; padding: 44px 20px; }

/* ── CARDS ── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 22px;
    transition: box-shadow 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); }
.card h2 {
    color: var(--primary);
    font-size: 1.15rem;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}
.card p { color: var(--text-muted); margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }

/* ── INFO GRID ── */
.info-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}
.info-card {
    flex: 1 1 150px;
    max-width: 200px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 18px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.info-card .icon { font-size: 2.4rem; margin-bottom: 10px; }
.info-card h3 { font-size: 0.92rem; color: var(--primary); margin-bottom: 6px; font-weight: 700; }
.info-card p { font-size: 0.83rem; color: var(--text-muted); }

/* ── FORM ── */
.form-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}
.form-section h2 {
    color: var(--primary);
    font-size: 1.15rem;
    margin-bottom: 22px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.88rem;
    color: var(--text);
    background: white;
    transition: border-color 0.15s, box-shadow 0.15s;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.required { color: var(--danger); }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.checkbox-group label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 500; color: var(--text); cursor: pointer; }
.checkbox-group input[type="checkbox"] { width: auto; accent-color: var(--primary); }

.section-divider {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin: 22px 0 12px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border);
}

.btn-submit {
    width: 100%;
    padding: 13px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 12px;
    transition: background 0.15s, transform 0.15s;
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ── NOTIFICATION ── */
.notification {
    position: fixed;
    top: 20px; right: 20px;
    padding: 14px 22px;
    border-radius: var(--radius);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    animation: slideIn 0.25s ease;
    max-width: 360px;
}
.notification.success { background: var(--success); }
.notification.error { background: var(--danger); }
@keyframes slideIn {
    from { transform: translateX(110%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ── FOOTER ── */
footer {
    background: #0f172a;
    color: rgba(255,255,255,0.65);
    text-align: center;
    padding: 28px 24px;
    font-size: 0.84rem;
    margin-top: 48px;
}
footer a { color: rgba(255,255,255,0.85); text-decoration: none; }
footer a:hover { color: white; text-decoration: underline; }
footer .footer-brand {
    font-size: 1rem;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    margin-bottom: 8px;
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
    .site-header { padding: 16px 20px; gap: 12px; }
    .site-header img { height: 64px; }
    .site-header .brand-text h1 { font-size: 1.15rem; }
    .site-header .header-contact { display: none; }
    nav { padding: 0 8px; justify-content: space-around; }
    nav a { padding: 12px 10px; font-size: 0.8rem; }
    .hero { padding: 48px 20px; }
    .hero h1 { font-size: 1.7rem; }
    .form-row { grid-template-columns: 1fr; }
    .info-card { flex: 1 1 140px; }
}