:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-background: #0f172a;
    --color-surface: #1e293b;
    --color-surface-elevated: #334155;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #334155;
    --color-success: #10b981;
    --color-error: #ef4444;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.page-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 24px;
}

.background-decoration {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.gradient-orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 100%);
    top: -200px;
    right: -200px;
    animation: float-1 20s ease-in-out infinite;
}

.gradient-orb-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #06b6d4 0%, var(--color-primary) 100%);
    bottom: -150px;
    left: -150px;
    animation: float-2 25s ease-in-out infinite;
}

@keyframes float-1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(-30px, 40px) scale(1.05);
    }
    66% {
        transform: translate(20px, -20px) scale(0.95);
    }
}

@keyframes float-2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(40px, -30px) scale(0.95);
    }
    66% {
        transform: translate(-20px, 20px) scale(1.05);
    }
}

.header {
    display: flex;
    justify-content: center;
    padding: 16px 0;
}

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

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 640px;
    margin: 0 auto;
    padding: 40px 0;
    text-align: center;
}

.hero-section {
    margin-bottom: 48px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.headline {
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subheadline {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.7;
}

.countdown-section {
    margin-bottom: 48px;
}

.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
    padding: 16px 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.countdown-value {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-text-primary);
    line-height: 1;
}

.countdown-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 8px;
}

.countdown-separator {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding-bottom: 20px;
}

.signup-section {
    width: 100%;
    max-width: 440px;
}

.signup-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.signup-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.signup-form {
    width: 100%;
}

.form-group {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.form-input {
    flex: 1;
    padding: 14px 18px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-input:hover {
    border-color: var(--color-surface-elevated);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    white-space: nowrap;
    min-width: 130px;
}

.form-button:hover {
    background: var(--color-primary-dark);
}

.form-button:active {
    transform: scale(0.98);
}

.form-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-button.loading .button-text {
    display: none;
}

.form-button.loading .button-loading {
    display: flex;
}

.button-loading {
    display: none;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.form-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.success-message,
.error-message {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-top: 20px;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.success-message.visible {
    display: flex;
}

.success-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

.error-message.visible {
    display: flex;
}

.error-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.signup-form.hidden {
    display: none;
}

.footer {
    text-align: center;
    padding: 24px 0;
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

@media (max-width: 600px) {
    .page-wrapper {
        padding: 16px;
    }

    .main-content {
        padding: 24px 0;
    }

    .hero-section {
        margin-bottom: 36px;
    }

    .subheadline {
        font-size: 1rem;
    }

    .countdown {
        gap: 4px;
    }

    .countdown-item {
        min-width: 56px;
        padding: 12px 8px;
    }

    .countdown-label {
        font-size: 0.625rem;
    }

    .countdown-separator {
        font-size: 1.25rem;
        padding-bottom: 16px;
    }

    .countdown-section {
        margin-bottom: 36px;
    }

    .form-group {
        flex-direction: column;
    }

    .form-button {
        width: 100%;
    }

    .gradient-orb-1 {
        width: 400px;
        height: 400px;
        top: -150px;
        right: -150px;
    }

    .gradient-orb-2 {
        width: 350px;
        height: 350px;
        bottom: -100px;
        left: -100px;
    }
}

@media (max-width: 380px) {
    .countdown-item {
        min-width: 48px;
        padding: 10px 6px;
    }

    .countdown-value {
        font-size: 1.5rem;
    }
}