* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: #1F4F73;
    color: #e5e7eb;
}

:root {
    --gold: #fbbf24;
    --blue: #0ea5e9;
    --dark: #020617;
    --panel: #0f172a;
    --muted: #9ca3af;
}

/* HEADER */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 40px;
    background: #1F4F73;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(to bottom right, var(--gold), var(--blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1F4F73;
    font-weight: 700;
    font-size: 18px;
}

.logo-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--muted);
}

/* NAVBAR */
.navbar {
    display: flex;
    gap: 22px;
}

.nav-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    position: relative;
    padding-bottom: 4px;
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
}

.nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 100%;
    background: linear-gradient(to right, var(--gold), var(--blue));
}

/* MOBILE MENU BUTTON */
.menu-btn {
    display: none;
    width: 32px;
    height: 32px;
    cursor: pointer;
}

.menu-btn div {
    width: 100%;
    height: 4px;
    background: #fff;
    margin: 6px 0;
    border-radius: 4px;
}

/* MOBILE MENU */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: #1F4F73;
    z-index: 100;
    padding: 60px 40px;
    transition: right 0.35s ease;
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu a {
    display: block;
    font-size: 22px;
    margin: 20px 0;
    text-decoration: none;
    color: #fff;
    font-weight: 500;
}

.mobile-menu a:hover {
    color: var(--gold);
}

/* HERO */
.hero {
    background-image:
        linear-gradient(to bottom, rgba(15,23,42,0.85), rgba(2,6,23,0.95)),
        url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    padding: 140px 40px;
    text-align: left;
}

.hero-title {
    font-size: 42px;
    font-weight: 600;
    max-width: 700px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--muted);
    max-width: 600px;
    margin-top: 12px;
}

.btn {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 999px;
    font-size: 15px;
    text-decoration: none;
    margin-top: 24px;
}

.btn-primary {
    background: linear-gradient(to right, var(--gold), var(--blue));
    color: #1F4F73;
    font-weight: 600;
}

.btn-outline {
    border: 1px solid var(--muted);
    color: #fff;
    margin-left: 12px;
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* SECTIONS */
.section {
    padding: 80px 40px;
}

.section-dark {
    background: #1F4F73;
}

.section-light {
    background: #f3f4f6;
    color: #111827;
}

.section-header h2 {
    font-size: 26px;
    font-weight: 600;
}

.section-header p {
    color: var(--muted);
    margin-top: 10px;
}

/* CARDS */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 26px;
    margin-top: 40px;
}

.card {
    background: #1F4F73;
    padding: 26px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 18px 40px rgba(0,0,0,0.4);
}

.section-light .card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.card p {
    font-size: 14px;
    color: var(--muted);
}

/* TWO COLUMN */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* FORMS */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    display: block;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    font-size: 15px;
}

/* FOOTER */
.footer {
    background: #020617;
    padding: 26px 40px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: var(--muted);
    font-size: 13px;
}

/* PROJECT GALLERY */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 26px;
    margin-top: 40px;
}

.gallery-item {
    overflow: hidden;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 18px 40px rgba(0,0,0,0.4);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item img:hover {
    transform: scale(1.08);
}

/* TEAM GALLERY */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 26px;
    margin-top: 40px;
}

.team-item {
    text-align: center;
    background: #1F4F73;
    padding: 20px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 18px 40px rgba(0,0,0,0.4);
}

.team-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 14px;
}

.team-item h3 {
    font-size: 18px;
    margin-bottom: 6px;
}

.team-item p {
    font-size: 14px;
    color: var(--muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .navbar {
        display: none;
    }
    .menu-btn {
        display: block;
    }
    .two-column {
        grid-template-columns: 1fr;
    }
}