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

:root {
    --black: #070707;
    --dark: #111111;
    --yellow: #f6c400;
    --gold: #ffb703;
    --white: #ffffff;
    --gray: #cfcfcf;
    --soft-dark: rgba(255, 255, 255, 0.08);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: black;
    color: var(--white);
}

.hero {
    min-height: 100vh;
    background:

        url("../image/back-b4live.png") center/cover no-repeat;
    position: relative;
    padding: 55px 7%;
}

.navbar {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    color: var(--yellow);
    font-size: 1.2rem;
}

.logo {
    width: 280px;
    height: 120px;
    object-fit: contain;
}

.menu {
    list-style: none;
    display: flex;
    gap: 25px;
}

.menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: .3s;
}

.menu a:hover {
    color: var(--yellow);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin-top: 150px;
    animation: fadeUp 1s ease forwards;
}

.tag {
    color: var(--yellow);
    font-weight: bold;
    letter-spacing: 1px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    margin: 20px 0;
    line-height: 1.05;
}

.hero-content p {
    color: var(--gray);
    font-size: 1.2rem;
    line-height: 1.7;
}

.hero-buttons {
    margin-top: 35px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 14px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: .3s;
}

.btn-primary {
    background: var(--yellow);
    color: var(--black);
}

.btn-primary:hover {
    background: var(--gold);
    transform: translateY(-3px);
}

.btn-secondary {
    border: 1px solid var(--yellow);
    color: var(--yellow);
}

.btn-secondary:hover {
    background: var(--yellow);
    color: var(--black);
}

.section {
    padding: 90px 7%;
}

.section-title {
    text-align: center;
    margin-bottom: 35px;
}

.section-title span {
    color: var(--yellow);
    font-weight: bold;
    text-transform: uppercase;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-top: 10px;
}

.about p,
.contact p {
    max-width: 850px;
    margin: auto;
    color: var(--gray);
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}

.dropdown-box {
    max-width: 900px;
    margin: auto;
}

.dev-info{
    margin-top: 15px;
}

.dev-info ul{
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.dev-info li{
    position: relative;
    padding: 8px 0 8px 30px;
    color: var(--gray);
    font-size: 1rem;
    border-bottom: 1px solid rgba(246,196,0,.10);
    transition: .3s;
}

.dev-info li:last-child{
    border-bottom: none;
}

.dev-info li::before{
    content: "✓";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    font-weight: bold;
    color: #000;
    background: var(--yellow);
    border-radius: 50%;
    font-size: .8rem;
}

.dev-info li:hover{
    color: #fff;
    padding-left: 35px;
}

details {
    background: var(--soft-dark);
    margin-bottom: 15px;
    padding: 20px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,.08);
}

summary {
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--yellow);
}

summary i {
    margin-right: 10px;
}

details p {
    margin-top: 15px;
    color: var(--gray);
    line-height: 1.7;
}

.dev-grid,
.idea-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.dev-card,
.idea-grid div {
    background: linear-gradient(145deg, #151515, #080808);
    padding: 30px;
    border-radius: 22px;
    text-align: center;
    border: 1px solid rgba(246,196,0,.18);
    box-shadow: 0 15px 40px rgba(0,0,0,.35);
    transition: .3s;
}

.dev-card:hover,
.idea-grid div:hover {
    transform: translateY(-8px);
    border-color: var(--yellow);
}

.dev-card img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--yellow);
    margin-bottom: 20px;
}

.dev-card h3,
.idea-grid h3 {
    color: var(--yellow);
    margin-bottom: 12px;
}

.dev-card p,
.idea-grid p {
    color: var(--gray);
    line-height: 1.7;
}

.idea-grid {
    grid-template-columns: repeat(3, 1fr);
}

.idea-grid i {
    font-size: 2.5rem;
    color: var(--yellow);
    margin-bottom: 20px;
}

.social-links {
    margin-top: 35px;
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--black);
    background: var(--yellow);
    text-decoration: none;
    padding: 13px 22px;
    border-radius: 30px;
    font-weight: bold;
    transition: .3s;
}

.social-links a:hover {
    background: var(--white);
    transform: translateY(-4px);
}

footer {
    text-align: center;
    padding: 25px;
    background: #020202;
    color: var(--gray);
    border-top: 1px solid rgba(255,255,255,.08);
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(35px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media(max-width: 850px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
    }

    .menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero-content {
        margin-top: 90px;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .dev-grid,
    .idea-grid {
        grid-template-columns: 1fr;
    }
}