:root {
    --color-primary-dark: #0A253E;
    --color-primary-light: #007DB4;
    --color-accent: #F5A800;
    --color-secondary: #A5BAC9;
    --color-white: #FFFFFF;
    --color-text-light: #F5F7FA;
    --color-text-dark: #1A1A1A;
    --color-success: #10B981;
    --color-error: #EF4444;
    --shadow-sm: 0 2px 4px rgba(10, 37, 62, 0.1);
    --shadow-md: 0 4px 6px rgba(10, 37, 62, 0.15);
    --shadow-lg: 0 10px 25px rgba(10, 37, 62, 0.2);
    --shadow-xl: 0 20px 40px rgba(10, 37, 62, 0.25);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--color-primary-dark);
    color: var(--color-text-light);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Background Pattern */
.container::before {
    display: none;
}

/* Header */
.header {
    padding: 2rem 1.5rem 1rem;
    position: relative;
    z-index: 1;
}

.logo-card {
    background: var(--color-white);
    border-radius: 18px;
    padding: 1.25rem 2.5rem;
    max-width: 320px;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(10, 37, 62, 0.08);
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 1;
}

.content-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-white);
}

.accent-text {
    color: var(--color-accent);
    position: relative;
    display: inline-block;
}

.accent-text::after {
    content: '';
    position: absolute;
    bottom: 0.2em;
    left: 0;
    right: 0;
    height: 0.15em;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0.3;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.6rem);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

/* Waitlist Section */
.waitlist-section {
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.waitlist-card {
    background: var(--color-white);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(10, 37, 62, 0.1);
}

.waitlist-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
    text-align: center;
    font-weight: 600;
}

.waitlist-description {
    color: var(--color-primary-light);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* Form Styles */
.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--color-secondary);
    border-radius: 12px;
    background: var(--color-white);
    color: var(--color-text-dark);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(245, 168, 0, 0.1);
}

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

.submit-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    background: var(--color-accent);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: inherit;
    box-shadow: var(--shadow-md);
}

.submit-button:hover {
    background: #E09900;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

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

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

.submit-button.loading .button-loader {
    display: flex;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(10, 37, 62, 0.2);
    border-top-color: var(--color-primary-dark);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Messages */
.success-message,
.error-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    animation: slideDown 0.3s ease-out;
}

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

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

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

.hidden {
    display: none !important;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(10, 37, 62, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(10, 37, 62, 0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(10, 37, 62, 0.08);
}

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

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary-dark);
}

.feature-description {
    font-size: 0.95rem;
    color: var(--color-primary-light);
}

/* Footer */
.footer {
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-text {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1.5rem 1rem;
    }

    .logo {
        max-width: 150px;
    }

    .main-content {
        padding: 1.5rem 1rem;
    }

    .waitlist-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }

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

    .hero-title {
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .waitlist-card {
        padding: 1.5rem 1rem;
    }

    .form-input {
        padding: 0.875rem 1rem;
    }

    .submit-button {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}