*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --bg-dark: #1b2845;
    --surface: #ffffff;
    
    --accent-strong: #4b76eb;
    --text-main: #0f172a;
    --text-pr: #2563eb;
    --border: #5899e2;
}

html,
body {
    min-height: 100vh;
}

body {
    display: flex;
    flex-direction: column;
    background-color: #f8fafc;
    color: black;
    font-family: "Inter";
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
}

.navbar .nav-links {
    list-style-type: none;
    padding: 8px 16px;
    margin: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px 36px;
}

.navbar a {
    color: var(--text-main);
    text-decoration: none;
    padding: 15px;
    display: block;
    text-align: center;
    transition: all 0.3s ease;
    border-radius: 6px;
}

.navbar a:hover {
    background-color: var(--accent-strong);
    color: white;
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    border: none;
    background: transparent;
    padding: 10px;
    cursor: pointer;
    margin: 8px 16px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    margin: 5px 0;
    transition: all 0.3s ease;
}
.nav-line {
    position: relative;
    display: inline-block;
}

.nav-line::after {
    content: "";
    position: absolute;
    left: -15px;
    right: -15px;
    bottom: -23px;
    height: 5px;
    background: var(--accent-strong);
}

.left-column {
    padding: 20px;
    flex: 1 1 60%;
    min-width: 280px;
}

.first-h1-b {
    font-size: 40px;
    margin-top: 5px;
    margin-bottom: 20px;
    font-weight: bold;
    color: var(--text-pr);
}

#hero {
    background-color: #f8fafc;
    background-size: cover;
    background-position: center;
    padding-bottom: 30px;
    padding-top: 30px;
    padding-left: 30px;
    padding-right: 100px;
    border-radius: 5px;
    min-height: 450px;
}

#hero h1 {
    font-size: 55px;
}

button {
    background-color: var(--accent-strong);
    border-radius: 5px;
    font-size: 20px;
    padding: 10px 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background-color: #2596be;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: nowrap;
}

.card-content {
    flex: 1;
    min-width: 0;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
}

.card-content h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.footer {
    background-color: var(--surface);
    color: black;
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 20px;
    margin-top: auto;
}

.eyebrow {
    color: var(--text-pr);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin: 0 0 14px;
    text-transform: uppercase;
}

.hero-text {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    border: 2px solid var(--accent-strong);
    border-radius: 5px;
    display: inline-block;
    font-size: 1rem;
    font-weight: 700;
    padding: 12px 18px;
    text-decoration: none;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

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

.button-primary {
    background-color: var(--accent-strong);
    color: white;
}

.button-secondary {
    background-color: white;
    color: var(--text-main);
}

.intro-section,
.home-cta {
    margin: 56px auto;
    max-width: 1180px;
    padding: 0 20px;
}

.section-heading h2,
.home-cta h2 {
    font-size: 2rem;
    margin: 0 0 24px;
}

.card {
    background-color: var(--bg-dark);
    color: white;
    min-height: 180px;
}

.card-content h3 {
    color: white;
}

.home-cta {
    background-color: #e5effa;
    border-left: 5px solid var(--accent-strong);
    padding-bottom: 30px;
    padding-top: 30px;
}

.home-cta p {
    margin-bottom: 24px;
}

.projects-page {
    margin: 0 auto;
    max-width: 1180px;
    padding: 64px 20px 72px;
    width: 100%;
}

.projects-header {
    max-width: 720px;
    margin-bottom: 48px;
}

.projects-header h1 {
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    line-height: 1.05;
    margin: 0 0 20px;
}

.projects-header > p:last-child {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 620px;
}

.project-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
    background-color: white;
    border: 1px solid #d5e1ef;
    border-top: 5px solid var(--accent-strong);
    border-radius: 5px;
    display: flex;
    gap: 20px;
    min-height: 270px;
    padding: 26px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.project-card:hover {
    box-shadow: 0 12px 28px rgba(27, 40, 69, 0.12);
    transform: translateY(-3px);
}

.project-card-featured {
    background-color: var(--bg-dark);
    color: white;
    grid-column: 1 / -1;
    min-height: 300px;
}

.project-number {
    color: var(--accent-strong);
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1;
}

.project-card-featured .project-number,
.project-card-featured .project-type {
    color: #a9c7ff;
}

.project-card-content {
    max-width: 680px;
}

.project-type {
    color: var(--text-pr);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    margin: 0 0 12px;
    text-transform: uppercase;
}

.project-card h2 {
    font-size: 1.65rem;
    margin: 0 0 14px;
}

.project-card p:not(.project-type) {
    line-height: 1.65;
    margin: 0;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
}

.tag-list li {
    background-color: #e5effa;
    border-radius: 4px;
    color: var(--text-main);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 9px;
}

.project-card-featured .tag-list li {
    background-color: #344d78;
    color: white;
}

.projects-footer {
    background-color: #e5effa;
    border-left: 5px solid var(--accent-strong);
    margin-top: 64px;
    padding: 30px;
}

.projects-footer h2 {
    font-size: 2rem;
    margin: 0 0 12px;
}

.projects-footer p:not(.eyebrow) {
    margin-bottom: 24px;
}

.contact-layout {
    display: grid;
    gap: 20px;
    grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
}

.contact-form {
    display: block;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 16px;
}

.form-group label {
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    border: 1px solid #b8cbe2;
    border-radius: 4px;
    font: inherit;
    padding: 10px 12px;
    width: 100%;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-strong);
    outline: 2px solid #c8d8ff;
}


@media (max-width: 600px) {
    
    body {
        font-size: 15px;
    }

    main {
        margin: 16px auto;
        padding: 0 12px;
    }

    h1 {
        font-size: 1.6rem;
        line-height: 1.2;
    }

    .navbar {
        padding: 6px 0;
    }

    .menu-toggle {
        display: inline-block;
    }

    .navbar .nav-links {
        display: none;
        flex-direction: column;
        gap: 6px;
        padding: 8px 12px 12px;
        background-color: var(--surface);
    }

    .navbar.nav-open .nav-links {
        display: flex;
    }

    .navbar a {
        padding: 10px 8px;
        font-size: 0.95rem;
        border-radius: 8px;
    }

    .navbar a:hover {
        transform: none;
    }

    .nav-line::after {
        display: none;
    }
    
    #hero {
        min-height: 250px;
        padding-left: 10px;
    }

    #hero h1 {
        font-size: 26px;
    }

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

    .intro-section,
    .home-cta {
        margin: 36px auto;
        padding-left: 12px;
        padding-right: 12px;
    }

    .section-heading h2,
    .home-cta h2 {
        font-size: 1.5rem;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        text-align: center;
    }

    .projects-page {
        padding: 40px 12px 48px;
    }

    .projects-header {
        margin-bottom: 32px;
    }

    .projects-header h1 {
        font-size: 2.4rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-card,
    .project-card-featured {
        grid-column: auto;
        min-height: 0;
        padding: 20px;
    }

    .project-card {
        gap: 14px;
    }

    .projects-footer {
        margin-top: 40px;
        padding: 24px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    button {
        font-size: 16px;
    }

    .grid-container {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .card {
        flex-direction: row;
        text-align: left;
        align-items: center;
        gap: 12px;
    }

}