/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --background: #ffffff;
    --surface: #f9fafb;
    --border: #e5e7eb;
    --success: #10b981;
    --error: #ef4444;

    --transition-speed: 0.3s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --background: #111827;
        --surface: #1f2937;
        --border: #374151;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 1000;
    background: var(--surface);
    padding: 8px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
}

.lang-btn {
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all var(--transition-speed) var(--transition-timing);
    position: relative;
}

.lang-btn:hover {
    background: var(--background);
    color: var(--text-primary);
}

.lang-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.lang-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (max-width: 640px) {
    .language-switcher {
        top: 10px;
        right: 10px;
        padding: 6px;
        gap: 4px;
    }

    .lang-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* Container and Layout */
.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.content {
    max-width: 600px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 2;
}

/* Logo Styles */
.logo-wrapper {
    margin-bottom: 1.5rem;
}

.logo {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 8s ease infinite;
    letter-spacing: -0.02em;
}

.logo-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 1rem auto;
    border-radius: 2px;
    animation: expandShrink 2s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes expandShrink {
    0%, 100% {
        width: 80px;
    }
    50% {
        width: 120px;
    }
}

/* Tagline */
.tagline {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    position: relative;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

.pulse::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: ripple 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Description */
.description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

/* Notification Form */
.notification-form {
    margin-bottom: 3rem;
}

.form-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.subscribe-form {
    width: 100%;
}

.input-wrapper {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

#emailInput {
    flex: 1;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text-primary);
    transition: all var(--transition-speed) var(--transition-timing);
    outline: none;
}

#emailInput:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

#emailInput::placeholder {
    color: var(--text-secondary);
}

.submit-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-speed) var(--transition-timing);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-timing);
}

.submit-btn:hover::before {
    opacity: 1;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

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

.btn-text,
.btn-icon {
    position: relative;
    z-index: 1;
}

.btn-icon {
    transition: transform var(--transition-speed) var(--transition-timing);
}

.submit-btn:hover .btn-icon {
    transform: translateX(4px);
}

/* Form Messages */
.form-message {
    font-size: 0.875rem;
    padding: 0.75rem;
    border-radius: 8px;
    display: none;
}

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

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

/* Contact Info */
.contact-info {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.contact-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-speed) var(--transition-timing);
    padding: 0.5rem;
}

.contact-link:hover {
    color: var(--primary-color);
}

.contact-link svg {
    transition: transform var(--transition-speed) var(--transition-timing);
}

.contact-link:hover svg {
    transform: translateY(-2px);
}

/* Background Animation */
.background-animation {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(60px);
}

.circle-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: -250px;
    right: -250px;
    animation: float 20s ease-in-out infinite;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -200px;
    left: -200px;
    animation: float 15s ease-in-out infinite reverse;
}

.circle-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 25s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

/* Responsive Design */
@media (max-width: 640px) {
    .container {
        padding: 1.5rem;
    }

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

    .submit-btn {
        width: 100%;
        justify-content: center;
    }

    .description {
        font-size: 1rem;
    }

    .circle-1,
    .circle-2,
    .circle-3 {
        width: 300px;
        height: 300px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading State */
.submit-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.submit-btn.loading .btn-text::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}