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

:root {
    --primary-color: #f59e0b;
    --primary-dark: #d97706;
    --secondary-color: #1f2937;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --bg-color: #fefce8;
    --card-bg: #ffffff;
    --success-color: #10b981;
    --error-color: #ef4444;
    --border-radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.content {
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 2;
}

/* Logo Section */
.logo {
    text-align: center;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.beer-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    filter: drop-shadow(0 4px 6px rgba(245, 158, 11, 0.3));
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    letter-spacing: -0.025em;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 4rem;
}

.headline {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.headline br {
    display: block;
}

.subheadline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Signup Section */
.signup-section {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
    border: 2px solid var(--primary-color);
}

.signup-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.signup-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.signup-form {
    width: 100%;
}

.input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.input-group input {
    flex: 1;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    font-family: inherit;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.input-group button {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
}

.input-group button:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.input-group button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.spinner-circle {
    stroke-dasharray: 50;
    stroke-dashoffset: 25;
    animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* Message */
.message {
    padding: 1rem;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 500;
    display: none;
    animation: slideIn 0.3s ease;
}

.message.show {
    display: block;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

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

/* Footer */
.footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer p {
    margin-bottom: 0.25rem;
}

.tagline {
    font-style: italic;
    opacity: 0.8;
}

/* Background Decorations */
.bg-decoration {
    position: fixed;
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
    pointer-events: none;
}

.bg-decoration-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.bg-decoration-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(225deg, var(--primary-color), var(--primary-dark));
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.bg-decoration-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }

    .logo h1 {
        font-size: 2rem;
    }

    .beer-icon {
        width: 36px;
        height: 36px;
    }

    .headline {
        font-size: 2.5rem;
    }

    .subheadline {
        font-size: 1.1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .signup-section {
        padding: 2rem 1.5rem;
    }

    .signup-title {
        font-size: 1.5rem;
    }

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

    .input-group button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .headline {
        font-size: 2rem;
    }

    .logo {
        flex-direction: column;
        gap: 0.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}