/* Header & Navbar */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-medium);
    padding: 20px 0;
    background: transparent;
}

#header.sticky {
    background: rgba(229, 232, 234, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 28px;
    font-weight: 900;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 16px;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--gradient-main);
    transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.header-action {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg.jpg');
    /* fallback if there's none */
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(229, 232, 234, 0.8) 0%, rgba(229, 232, 234, 0.95) 100%);
    z-index: -1;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    max-width: 500px;
    position: relative;
}

/* Glassmorphism Panel - Aluminium Style */
.glass-panel {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05), inset 0 0 0 1px rgba(255, 255, 255, 0.7);
    position: relative;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-main);
    z-index: -1;
    border-radius: 22px;
    opacity: 0.3;
    transition: opacity var(--transition-medium);
}

.glass-panel:hover::before {
    opacity: 0.6;
    animation: pulseGlow 2s infinite alternate;
}

@keyframes pulseGlow {
    0% {
        opacity: 0.4;
    }

    100% {
        opacity: 0.8;
    }
}

.image-wrapper img {
    border-radius: 12px;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

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

    .header-action .btn {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(229, 232, 234, 0.98);
        padding: 0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-top: 1px solid rgba(0, 0, 0, 0.05);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path var(--transition-medium);
    }

    .navbar.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        padding: 20px 0;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
}