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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #0F0F0F;
    color: #F5F5F5;
}

/* ================= NAVBAR ================= */

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 60px;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    transition: 0.3s ease;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
}

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

nav a {
    text-decoration: none;
    color: #F5F5F5;
    font-size: 16px;
    letter-spacing: 1px;
    transition: 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background: #00C26E;
    transition: 0.3s ease;
}

nav a:hover {
    color: #00C26E;
}

nav a:hover::after {
    width: 100%;
}

nav a.active {
    color: #00C26E;
}

nav a.active::after {
    width: 100%;
}

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

.page-hero {
    height: 50vh;
    padding-top: 120px;
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)),
        url("https://images.unsplash.com/photo-1600585152220-90363fe7e115") center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.page-hero h1 {
    color: #F5F5F5;
    font-size: 48px;
    margin-bottom: 15px;
}

.page-hero p {
    color: #B5B5B5;
}

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

.prob {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.pro-button {
    text-decoration: none;
    padding: 10px 25px;
    color: #F5F5F5;
    background-color: #1B4332;
    border: 1px solid #00C26E;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    transition: 0.3s ease;
}

.pro-button:hover {
    background-color: #00C26E;
    color: #000;
}

/* ================= CATEGORY TITLE ================= */

.uppro {
    padding: 60px 0 20px 0;
    text-align: center;
    background-color: #0F0F0F;
    color: #F5F5F5;
}

/* ================= PROJECT GRID ================= */

.projects-grid {
    padding: 60px 80px;
    display: flex;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    background-color: #111;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.project-card {
    width: 320px;
    background: #1A1A1A;
    color: #F5F5F5;
    border-radius: 12px;
    overflow: hidden;
    transition: 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.project-info p {
    margin-bottom: 10px;
    color: #B5B5B5;
}

.project-info span {
    display: inline-block;
    margin-top: 8px;
    color: #00c26e;
    font-weight: 600;
}

/* =========================
    Footer
========================= */

.footer {
    background: #0a0a0a;
    padding: 80px 0 30px;
}

.footer-container {
    max-width: 1200px;
    margin: auto;
    padding: 0 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 80px;
}

.footer-logo img {
    width: 130px;
    margin-bottom: 20px;
}

.footer-description {
    max-width: 380px;
}

.footer-description p {
    color: #bbbbbb;
    line-height: 1.7;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 70px;
}

.footer-links p {
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
    color: #bbbbbb;
    transition: 0.3s;
}

.footer-links a:hover {
    color: #00c26e;
}

.contact-links span {
    color: white;
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid #222;
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #777;
    font-size: 13px;
}

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

/* =========================
   Tablet
========================= */

@media (max-width:1024px) {

    header {
        padding: 15px 40px;
    }

    .page-hero h1 {
        font-size: 42px;
    }

    .projects-grid {
        padding: 50px 40px;
        gap: 40px;
    }

    .project-card {
        width: 300px;
    }

    .footer-container {
        padding: 0 40px;
    }

    .footer-content {
        gap: 50px;
    }

}

/* =========================
   Mobile
========================= */

@media (max-width:768px) {

    header {
        padding: 15px 25px;
    }

    nav ul {
        gap: 20px;
        font-size: 14px;
    }

    .page-hero {
        height: 45vh;
        padding-top: 100px;
    }

    .page-hero h1 {
        font-size: 36px;
    }

    .page-hero p {
        font-size: 14px;
    }

    /* filter buttons */

    .prob {
        flex-wrap: wrap;
        gap: 15px;
    }

    .pro-button {
        font-size: 14px;
        padding: 8px 18px;
    }

    /* project cards */

    .projects-grid {
        padding: 50px 25px;
        gap: 30px;
    }

    .project-card {
        width: 100%;
        max-width: 400px;
    }

    /* footer */

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-direction: column;
        gap: 30px;
    }

    .footer-container {
        padding: 0 25px;
    }

}

/* =========================
   Small phones
========================= */

@media (max-width:480px) {

    .logo img {
        height: 40px;
    }

    nav ul {
        gap: 12px;
    }

    .page-hero h1 {
        font-size: 30px;
    }

    .project-info h3 {
        font-size: 20px;
    }

    .project-info p {
        font-size: 14px;
    }

    .pro-button {
        font-size: 13px;
        padding: 8px 16px;
    }

    .footer-logo img {
        width: 110px;
    }

}