:root {
    --primary: #1e40af;
    --primary-light: #eff6ff;
    --secondary: #64748b;
    --dark: #0f172a;
    --light: #f8fafc;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, sans-serif;
    max-width: 100%;
}

html, body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Navbar */
nav {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #f1f5f9;
    padding: 0.8rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.02em;
}

.logo i { color: var(--primary); }

.nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #475569;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.8rem;
    padding: 0.5rem 0.4rem;
    border-radius: 8px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a:hover::after {
    width: 70%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--dark);
    cursor: pointer;
    padding: 5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-auth {
    display: flex;
    gap: 12px;
    align-items: center;
    border-left: 1px solid #f1f5f9;
    padding-left: 20px;
    margin-left: 10px;
}

.btn-mhs {
    text-decoration: none;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    border: 1px solid var(--primary);
    padding: 0.6rem 1rem;
    border-radius: 10px;
    transition: var(--transition);
}

.btn-admin {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
    transition: var(--transition);
}

@media (max-width: 992px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        border-bottom: 1px solid #f1f5f9;
        display: none;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        max-height: 80vh;
        overflow-y: auto;
        z-index: 9999;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        width: 100%;
        gap: 0;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
        font-size: 1rem;
        border-bottom: 1px solid #f1f5f9;
        width: 100%;
    }

    .nav-auth {
        border-left: none;
        padding: 1.5rem;
        margin-left: 0;
        flex-direction: column;
        width: 100%;
        background: #f8fafc;
        gap: 10px;
    }

    .btn-mhs, .btn-admin {
        width: 100%;
        text-align: center;
    }
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background: radial-gradient(circle at top right, #eff6ff 0%, transparent 40%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.2rem;
    color: var(--dark);
}

.hero-text span {
    color: var(--primary);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 2.5rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--dark);
    color: var(--white);
    box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1);
}

.btn-primary:hover {
    background-color: var(--primary);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid #e2e8f0;
    color: var(--dark);
}

.btn-outline:hover {
    background-color: var(--white);
    border-color: var(--primary);
    color: var(--primary);
}

.hero-image img {
    width: 100%;
    max-width: 350px; /* Reduced from default */
    border-radius: 30px;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    border: 6px solid var(--white);
    display: block;
    margin: 0 auto;
}

/* About Section & Education */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.about-text {
    background: var(--white);
    padding: 40px;
    border-radius: 30px;
    border: 1px solid #e2e8f0;
}

.identity-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 2rem;
}

.education-panel {
    background: var(--light);
    padding: 40px;
    border-radius: 30px;
    border: 1px solid #e2e8f0;
}

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .identity-grid {
        grid-template-columns: 1fr;
    }
}

/* Responsive */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    .hero-text h1 { font-size: 2.2rem; }
    .hero-image img { max-width: 280px; }
    .btn-group { justify-content: center; flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .hero-text h1 { font-size: 1.8rem; }
    .btn-group .btn { width: 100%; }
}