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

:root {
    --bg-main: #f4f7fb;
    --bg-surface: #ffffff;
    --bg-secondary: #eef2f8;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --accent-blue: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    --border-color: #e2e8f0;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --footer-bg: #0f172a;
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-main: #0b0f19;
    --bg-surface: #111827;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
    --border-color: #334155;
    --nav-bg: rgba(17, 24, 39, 0.85);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Glassmorphic Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    background-color: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.header header {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hacp ul {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 28px;
}

.hacp ul li a, .hacp ul li {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.hacp ul li a:hover {
    color: var(--accent-blue);
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.button {
    display: flex;
    align-items: center;
    gap: 12px;
}

#get {
    background: var(--accent-gradient);
    padding: 10px 22px;
    color: white;
    font-weight: 700;
    border-radius: 8px;
    border: none;
    cursor: pointer;
}

#sign {
    background: transparent;
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    padding: 9px 18px;
    border-radius: 8px;
    cursor: pointer;
}

/* Main About Container */
.about-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 50px 5%;
}

.main1 {
    width: 100%;
    max-width: 960px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 45px;
    box-shadow: var(--card-shadow);
    transition: all var(--transition-fast);
}

.tit {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.underline {
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 10px;
    margin: 0 auto 35px;
}

.main {
    display: flex;
    gap: 45px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap-reverse;
}

.p-img {
    flex: 1;
    min-width: 300px;
}

.des p {
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.7;
    margin-bottom: 18px;
}

.des p a {
    color: var(--accent-blue);
    font-weight: 600;
    text-decoration: underline;
}

.tech-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 22px 0;
}

.tech-badge {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
}

.icon1 {
    margin-top: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-secondary);
    padding: 12px 18px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-fast);
}

.icon1:hover {
    transform: translateX(6px);
    border-color: var(--accent-blue);
}

#icon {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.05rem;
}

.img {
    position: relative;
}

.img img {
    width: 320px;
    height: 420px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    color: #f8fafc;
    padding: 50px 5% 25px;
    margin-top: auto;
}

.last {
    text-align: center;
    font-size: 0.85rem;
    color: #64748b;
}

/* Hamburger */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.line {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 3px;
}

@media (max-width: 768px) {
    .hacp ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--nav-bg);
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
    }

    .hacp ul.active { display: flex; }
    .hamburger { display: flex; }
    .button { display: none; }

    .main1 { padding: 28px; }
    .img img { width: 100%; height: 280px; }
}