:root {
    --navy: #0A1A2F;
    --navy-light: #122640;
    --gold: #C9A45B;
    --gold-hover: #d4b36c;
    --white: #ffffff;
    --white-muted: rgba(255, 255, 255, 0.8);
    --white-subtle: rgba(255, 255, 255, 0.6);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--navy);
    color: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    background: linear-gradient(180deg, var(--navy) 0%, transparent 100%);
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo {
    display: flex;
    align-items: center;
}

.header-logo .logo {
    max-width: 160px;
    height: auto;
    margin: 0;
}

.header.scrolled {
    background: var(--navy);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav {
    display: flex;
    justify-content: flex-end;
    gap: 40px;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--gold);
}

.nav-link:hover::after {
    width: 100%;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 180px 24px 80px;
    background: linear-gradient(180deg, rgba(10, 26, 47, 0.65) 0%, rgba(10, 26, 47, 0.75) 100%), url('banner.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-content {
    max-width: 800px;
}


.hero-title {
    font-size: clamp(25px, 5vw, 43px);
    font-weight: 300;
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-bottom: 16px;
    color: var(--white);
}

.hero-subtitle {
    font-size: clamp(16px, 3vw, 22px);
    color: var(--gold);
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--white-muted);
    max-width: 600px;
    margin: 0 auto 48px;
}

.btn-primary {
    display: inline-block;
    padding: 16px 48px;
    background: transparent;
    border: 2px solid var(--gold);
    color: var(--gold);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--gold);
    color: var(--navy);
}

.section {
    padding: 120px 0;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 300;
    letter-spacing: 6px;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--gold);
    margin: 24px auto 0;
}

.about {
    background: var(--navy-light);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 17px;
    color: var(--white-muted);
    margin-bottom: 24px;
    line-height: 1.9;
}

.about-content p:last-child {
    margin-bottom: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    background: var(--navy-light);
    padding: 48px 36px;
    border-radius: 4px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(201, 164, 91, 0.1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(201, 164, 91, 0.3);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 28px;
    color: var(--gold);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--white);
}

.service-description {
    font-size: 15px;
    color: var(--white-muted);
    line-height: 1.8;
}

.contact {
    background: var(--navy-light);
}

.contact-intro {
    text-align: center;
    font-size: 18px;
    color: var(--white-muted);
    margin-bottom: 48px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--navy);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    color: var(--white);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--white-subtle);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 164, 91, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-submit {
    width: 100%;
    font-family: inherit;
}

.form-message {
    text-align: center;
    margin-top: 24px;
    font-size: 15px;
    display: none;
}

.form-message.success {
    display: block;
    color: #4ade80;
}

.form-message.error {
    display: block;
    color: #f87171;
}

.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    font-size: 14px;
    color: var(--white-subtle);
    letter-spacing: 1px;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .service-card {
        padding: 40px 32px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 16px 24px;
    }

    .nav {
        gap: 24px;
    }

    .nav-link {
        font-size: 12px;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .header-logo .logo {
        max-width: 120px;
    }

    .hero-title {
        letter-spacing: 4px;
    }

    .hero-subtitle {
        letter-spacing: 2px;
        margin-bottom: 32px;
    }

    .hero-description {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .section {
        padding: 80px 0;
    }

    .section-title {
        letter-spacing: 4px;
        margin-bottom: 48px;
    }

    .about-content p {
        font-size: 16px;
    }

    .btn-primary {
        padding: 14px 36px;
    }
}

@media (max-width: 480px) {
    .nav {
        gap: 16px;
    }

    .nav-link {
        font-size: 11px;
        letter-spacing: 0.5px;
    }

    .hero-title {
        letter-spacing: 2px;
    }

    .hero-subtitle {
        letter-spacing: 1px;
    }

    .header-logo .logo {
        max-width: 100px;
    }
}