/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", system-ui, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: #0a0a0a;
    color: #e5e5e5;
    line-height: 1.7;
}

/* NAVIGATION */
.nav {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(10,10,10,0.9);
    backdrop-filter: blur(8px);
    z-index: 1000;
}

.logo {
    font-weight: 700;
    color: #38bdf8;
    font-size: 1.5rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #38bdf8;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #cbd5f5;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: #38bdf8;
    transition: width 0.3s ease;
}

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

/* HERO */
.hero {
    min-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, #1e3a8a, #0a0a0a);
    color: #ffffff;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.hero-text p {
    font-size: 1.3rem;
    color: #94a3b8;
}

/* SECTION TITLES */
.section {
    max-width: 1000px;
    margin: auto;
    padding: 80px 20px;
    text-align: center;
}

.section h2 {
    color: #38bdf8;
    margin-bottom: 25px;
    font-size: 2rem;
}

.section p {
    color: #cbd5f5;
    max-width: 750px;
    margin: auto;
}

/* TABS */
.tabs-menu {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    background: rgba(15,23,42,0.9);
    color: #cbd5f5;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s, color 0.3s;
}

.tab-btn.active, .tab-btn:hover {
    background: #38bdf8;
    color: #0a0a0a;
}

.tabs-content .tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tabs-content .tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* SERVICES GRID */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.card {
    background: rgba(15,23,42,0.9);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.6);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 35px 60px rgba(0,0,0,0.7);
}

/* DOWNLOAD BUTTON */
.download-btn {
    display: inline-block;
    background: #38bdf8;
    color: #0a0a0a;
    padding: 10px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 20px;
    transition: background 0.3s;
}

.download-btn:hover {
    background: #22a2e0;
}

/* TEAM GRID */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    justify-items: center;
}

.team-member {
    text-align: center;
    background: rgba(15,23,42,0.85);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    transition: transform 0.3s, box-shadow 0.3s;
}

.team-member:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 35px 60px rgba(0,0,0,0.7);
}

.team-member img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #38bdf8;
    transition: transform 0.3s;
}

.team-member img:hover {
    transform: scale(1.05) rotate(2deg);
}

.team-member h3 {
    margin-top: 15px;
    color: #ffffff;
    font-size: 1.2rem;
}

.team-member p {
    color: #94a3b8;
    font-size: 1rem;
}

/* FOOTER */
.footer {
    text-align: center;
    padding: 40px;
    color: #64748b;
    background: #020617;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        padding: 15px 20px;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        gap: 15px;
        margin-top: 10px;
        background: rgba(10,10,10,0.95);
        padding: 15px;
        border-radius: 10px;
    }

    .nav-links.active {
        display: flex;
    }

    .tabs-menu {
        flex-direction: column;
        gap: 10px;
    }

    .services-grid, .team-grid {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .section {
        padding: 50px 15px;
    }

    .card, .team-member {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.7rem;
    }

    .hero-text p {
        font-size: 0.9rem;
    }

    .tab-btn {
        font-size: 0.9rem;
        padding: 8px 15px;
    }
}