@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
    --bg: #f6f1ea;
    --text: #18212c;
    --muted: #637081;
    --primary: #d95f33;
    --secondary: #1d4c63;
    --card: rgba(255, 255, 255, 0.82);
    --border: rgba(24, 33, 44, 0.08);
    --shadow: 0 24px 60px rgba(24, 33, 44, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(217, 95, 51, 0.14), transparent 24%),
        radial-gradient(circle at top right, rgba(29, 76, 99, 0.12), transparent 22%),
        linear-gradient(180deg, #fbf7f2 0%, #f1ebe4 100%);
    min-height: 100vh;
}

img {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem min(2rem, 4vw);
    background: rgba(251, 247, 242, 0.86);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(24, 33, 44, 0.08);
}

.brand img,
.navbar img {
    width: 148px;
    height: auto;
}

.navbar ul {
    display: flex;
    list-style: none;
    gap: 0.7rem;
}

.navbar a {
    color: var(--text);
    font-weight: 600;
}

.navbar ul a {
    padding: 0.7rem 1rem;
    border-radius: 999px;
    transition: 0.25s ease;
}

.navbar ul a:hover {
    color: var(--primary);
    background: rgba(217, 95, 51, 0.1);
}

.container {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
}

.gallery-header {
    max-width: 760px;
    margin: 0 auto;
    padding: 4.2rem 0 2.4rem;
    text-align: center;
}

.gallery-kicker {
    margin-bottom: 0.9rem;
    color: var(--secondary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16rem;
    text-transform: uppercase;
}

.gallery-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    line-height: 1.05;
    margin-bottom: 0.9rem;
}

.gallery-copy {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.75;
}

.certificates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.3rem;
    padding-bottom: 4rem;
}

.certificate-card {
    position: relative;
    min-height: 340px;
    border-radius: 24px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow);
    background: #1f2a36;
    animation: fadeIn 0.7s ease both;
}

.certificate-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.certificate-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(14, 20, 28, 0.12), rgba(14, 20, 28, 0.88));
}

.certificate-info {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 1;
    padding: 1.25rem;
    color: #fff;
}

.certificate-info h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.12rem;
    margin-bottom: 0.35rem;
}

.certificate-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.92rem;
}

.certificate-card:hover img {
    transform: scale(1.06);
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1001;
    padding: 1.4rem;
    background: rgba(9, 14, 20, 0.84);
    align-items: center;
    justify-content: center;
}

.modal-content {
    width: min(900px, 96vw);
    padding: 1rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.26);
    text-align: center;
}

.modal img {
    width: 100%;
    max-height: 78vh;
    object-fit: contain;
    border-radius: 16px;
}

.cancel-button {
    margin-top: 1rem;
    padding: 0.9rem 1.4rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), #ef8a53);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.modal.fade-in {
    display: flex;
}

footer {
    padding: 1.2rem 0;
    text-align: center;
    color: #fff;
    background: #14212f;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 720px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar ul {
        flex-wrap: wrap;
    }

    .gallery-header {
        padding-top: 3rem;
    }

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

    .certificate-card {
        min-height: 300px;
    }
}