* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #0f1115;
    color: #f5f5f5;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

/* =========================
   HERO
========================= */

.hero {
    padding: 90px 24px 70px;
    border-bottom: 1px solid #222831;
    background:
        linear-gradient(
            180deg,
            #12161d 0%,
            #0f1115 100%
        );
}

.hero-content {
    max-width: 1100px;
    margin: auto;
}

.hero h1 {
    margin: 0;
    font-size: 4rem;
    letter-spacing: -2px;
}

.tagline {
    margin-top: 16px;
    font-size: 1.15rem;
    color: #b9c0cc;
    max-width: 700px;
}

/* =========================
   NAVIGATION
========================= */

.nav-links {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.nav-links a {
    color: #6cb6ff;
    text-decoration: none;
    font-weight: 600;
}

.nav-links a:hover {
    text-decoration: underline;
}

/* =========================
   MAIN CONTENT
========================= */

main {
    max-width: 1100px;
    margin: auto;
    padding: 60px 24px;
}

/* =========================
   FEATURED SECTION
========================= */

.section-header h2 {
    margin: 0;
    font-size: 2rem;
}

.section-header p {
    margin-top: 10px;
    color: #aeb7c2;
}

/* =========================
   PROJECT CARD
========================= */

.project-card {
    margin-top: 36px;
    background: #171b22;
    border: 1px solid #252c38;
    border-radius: 18px;
    overflow: hidden;
}

.project-banner {
    width: 100%;
    background: #101317;
}

.project-banner img {
    width: 100%;
    display: block;
    object-fit: cover;
}

.project-content {
    padding: 28px;
}

.project-content h3 {
    margin-top: 0;
    margin-bottom: 14px;
    font-size: 1.8rem;
}

.project-content p {
    color: #c5ccd6;
}

/* =========================
   BUTTONS
========================= */

.project-actions {
    margin-top: 26px;
}

.primary-button {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 10px;
    background: #6cb6ff;
    color: #0f1115;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.15s ease;
}

.primary-button:hover {
    transform: translateY(-2px);
}

/* =========================
   FOOTER
========================= */

footer {
    margin-top: 40px;
    padding: 32px 24px;
    border-top: 1px solid #222831;
    text-align: center;
    color: #9aa4b2;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 700px) {

    .hero {
        padding-top: 70px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .project-content h3 {
        font-size: 1.5rem;
    }
}