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

body {
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
    background: #0a0a0a;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #ffffff;
}

/* Header with logo and navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 15px 30px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.95) 0%, transparent 100%);
}

.logo-container {
    height: 25px;
}

.logo-container svg {
    height: 25px;
    width: auto;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 6px 0;
    user-select: none;
    cursor: pointer;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 1);
}

/* Dropdown container */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
}

/* Dropdown menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    background: rgba(15, 15, 15, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 8px;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 15px;
    font-weight: 400;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.95);
}

.dropdown-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.dropdown-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dropdown-item.disabled:hover {
    background: transparent;
}

/* Canvas container for 3D animation - hero section */
#canvas-container {
    position: relative;
    width: 100%;
    height: 55vh;
    min-height: 400px;
    max-height: 600px;
    z-index: 1;
}

#canvas-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent 0%, #0a0a0a 100%);
    pointer-events: none;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Content section below canvas */
.content {
    position: relative;
    z-index: 100;
    text-align: center;
    padding: 0 20px 50px;
    background: #0a0a0a;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #8ac5ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: clamp(1.15rem, 1.4vw, 1.45rem);
    color: #a0a0a0;
    margin-bottom: 1.25rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* Email signup form */
.notify-form {
    max-width: 500px;
    margin: 30px auto 0 auto;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.email-input {
    flex: 1;
    min-width: 280px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(138, 197, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.email-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(138, 197, 255, 0.5);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.2);
}

.email-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.notify-btn {
    padding: 16px 32px;
    background: linear-gradient(135deg, #4a9eff 0%, #3b5eda 100%);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(74, 158, 255, 0.3);
}

.notify-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(74, 158, 255, 0.4);
}

.notify-btn:active {
    transform: translateY(0);
}

/* Success message */
.success-message {
    display: none;
    margin-top: 1rem;
    padding: 12px 24px;
    background: rgba(74, 158, 255, 0.1);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 8px;
    color: #8ac5ff;
    font-size: 0.95rem;
}

.success-message.show {
    display: inline-block;
}

/* Privacy note */
.privacy-note {
    max-width: 500px;
    margin: 1rem auto 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
    line-height: 1.4;
}

/* Social links */
.footer-social {
    margin-top: 2rem;
    padding-top: 1.5rem;
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

.footer-social-link {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.footer-social-link:hover {
    color: #8ac5ff;
    transform: translateY(-2px);
}

.footer-social-link svg {
    width: 36px;
    height: 36px;
}

/* Responsive */
@media (max-width: 768px) {
    #canvas-container {
        height: 45vh;
        min-height: 350px;
        max-height: 450px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .nav {
        gap: 20px;
    }

    .nav-link {
        font-size: 14px;
    }

    .dropdown-menu {
        min-width: 240px;
    }

    .notify-form {
        flex-direction: column;
        align-items: stretch;
    }

    .email-input {
        min-width: 100%;
    }

    .content {
        padding: 0 20px 20px;
    }

    .footer-social {
        margin-top: 1.5rem;
        padding-top: 1.25rem;
    }

    .header {
        padding: 15px 20px;
    }
}