:root {
    --primary: #0F4C81;
    --primary-dark: #1A365D;
    --accent: #FF6B00;
    --accent-hover: #E65C00;
    --light-bg: #F8F9FA;
    --text-dark: #2D3748;
    --text-light: #4A5568;
    --white: #FFFFFF;
    --shadow: 0 8px 30px rgba(0,0,0,0.08);
}

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

html { scroll-behavior: smooth; }
body { background: var(--white); color: var(--text-dark); line-height: 1.6; }

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

/* Header */
header {
    background: var(--primary-dark);
    color: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.logo span { color: var(--accent); }
.logo small {
    display: block;
    font-size: 0.7rem;
    font-weight: 300;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
}
.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.nav-menu a:hover { color: var(--accent); }

.header-phone {
    font-size: 1.1rem;
    font-weight: 600;
}
.header-phone i { color: var(--accent); margin-right: 6px; }
.header-phone a { color: var(--white); text-decoration: none; }

/* Buttons */
.btn {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: background 0.3s, transform 0.1s;
    box-shadow: 0 4px 12px rgba(255,107,0,0.3);
}
.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1D3B5C 100%);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero h1 span { color: var(--accent); }
.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 500px;
}
.hero .stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}
.hero .stats .num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}
.hero .stats .label {
    font-size: 0.9rem;
    opacity: 0.8;
}
.hero-image i {
    font-size: 12rem;
    color: var(--accent);
    opacity: 0.8;
    filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3));
}

/* Section titles */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.section-title h2 span { color: var(--accent); }
.section-title p {
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Problems */
.problems {
    padding: 80px 0;
    background: var(--light-bg);
}
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.problem-item {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s;
    border-bottom: 4px solid var(--accent);
}
.problem-item:hover { transform: translateY(-6px); }
.problem-item i {
    font-size: 2.8rem;
    color: var(--accent);
    margin-bottom: 15px;
}

/* Benefits */
.benefits {
    padding: 80px 0;
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}
.benefit {
    text-align: center;
    padding: 20px;
}
.benefit i {
    font-size: 3rem;
    color: var(--primary);
    background: rgba(15,76,129,0.08);
    padding: 15px;
    border-radius: 50%;
    margin-bottom: 15px;
}

/* Objects */
.objects {
    padding: 80px 0;
    background: var(--light-bg);
}
.objects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}
.object-item {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: 0.3s;
}
.object-item:hover { background: var(--primary-dark); color: var(--white); }
.object-item i { font-size: 3rem; color: var(--accent); margin-bottom: 15px; }

/* Why Us */
.why-us {
    padding: 80px 0;
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}
.why-item {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 6px solid var(--accent);
}
.why-item i { color: var(--accent); font-size: 1.8rem; margin-bottom: 10px; }

/* Expert */
.expert {
    padding: 80px 0;
    background: var(--primary-dark);
    color: var(--white);
}
.expert .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.expert h2 { font-size: 2rem; margin-bottom: 20px; }
.expert h2 span { color: var(--accent); }
.expert ul {
    list-style: none;
    margin-top: 20px;
}
.expert ul li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.expert ul li i { color: var(--accent); font-size: 1.2rem; margin-top: 4px; }
.expert-image i { font-size: 8rem; color: var(--accent); opacity: 0.7; }

/* Gallery */
.gallery {
    padding: 80px 0;
    background: var(--light-bg);
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.gallery-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #E2E8F0;
    color: var(--text-light);
    font-weight: 500;
}
.gallery-item i { font-size: 3rem; color: var(--primary); }

/* Form */
.form-section {
    padding: 80px 0;
}
.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px 50px;
    border-radius: 16px;
    box-shadow: var(--shadow);
}
.form-wrapper h2 { text-align: center; margin-bottom: 30px; }
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #CBD5E0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255,107,0,0.15);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-section .btn { width: 100%; }

/* Contacts */
.contacts {
    padding: 60px 0;
    background: var(--primary-dark);
    color: var(--white);
}
.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}
.contacts-grid i { font-size: 2.5rem; color: var(--accent); margin-bottom: 10px; }
.contacts-grid a { color: var(--white); text-decoration: none; }
.contacts-grid a:hover { color: var(--accent); }

/* Footer */
footer {
    background: #0A1A2E;
    color: rgba(255,255,255,0.7);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
}
footer a { color: var(--accent); text-decoration: none; }

/* Responsive */
@media (max-width: 992px) {
    .hero .container,
    .expert .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero p { margin: 0 auto 30px; }
    .hero .stats { justify-content: center; }
    .expert ul li { justify-content: center; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    header .container { flex-direction: column; gap: 10px; }
    .nav-menu { gap: 15px; flex-wrap: wrap; justify-content: center; }
    .hero h1 { font-size: 2rem; }
    .form-wrapper { padding: 30px 20px; }
    .section-title h2 { font-size: 1.8rem; }
}