:root {
    --color-bg: #0B1120;
    --color-bg-alt: #131B2E;
    --color-primary: #3B82F6;
    --color-accent: #10B981;
    --color-text: #E2E8F0;
    --color-text-muted: #94A3B8;
    --color-border: #1E293B;
    --font: 'Space Grotesk', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Background effects */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

/* Layout */
.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.logo-text .accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Typography */
.title {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, var(--color-text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: 12px;
}

.description {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 40px;
}

.description a {
    color: var(--color-primary);
    text-decoration: none;
}

.description a:hover {
    text-decoration: underline;
}

/* Features */
.features {
    display: flex;
    gap: 24px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.feature svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-accent);
    flex-shrink: 0;
}

/* Notify form */
.notify {
    width: 100%;
    max-width: 460px;
    margin-bottom: 40px;
}

.notify-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.notify-form {
    display: flex;
    gap: 8px;
}

.notify-form input {
    flex: 1;
    padding: 12px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.notify-form input::placeholder {
    color: var(--color-text-muted);
}

.notify-form input:focus {
    border-color: var(--color-primary);
}

.notify-form button {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border: none;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
    white-space: nowrap;
}

.notify-form button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.notify-form button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    margin-top: 12px;
    font-size: 0.85rem;
    min-height: 20px;
}

.form-message.success {
    color: var(--color-accent);
}

.form-message.error {
    color: #EF4444;
}

/* Footer links */
.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-links svg {
    stroke: currentColor;
}

/* Footer */
footer {
    text-align: center;
    padding: 24px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    position: relative;
    z-index: 1;
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    .title { font-size: 2.25rem; }
    .subtitle { font-size: 1.1rem; }
    .features { flex-direction: column; align-items: center; }
    .notify-form { flex-direction: column; }
    .notify-form button { width: 100%; }
    .footer-links { flex-direction: column; align-items: center; }
}