/**
 * TLG Coming Soon Page - Main Stylesheet
 * Optimized with CSS Variables and Modern Best Practices
 */

/* ========================================
   CSS Variables (Design Tokens)
   ======================================== */
:root {
    /* Color System */
    --color-primary: #e6b000;
    --color-primary-dark: #cc9d00;
    --color-bg: #f5f5f5;
    --color-bg-white: #fff;
    --color-text: #333;
    --color-text-secondary: #888;
    --color-text-light: #ccc;
    --color-error: #e74c3c;
    --color-success: #27ae60;
    --color-feature-bg: #1a3a50;
    --color-shield-bg: #fafafa;
    --color-disabled: #b2b2b2;
    --color-border: #ddd;
    
    /* Spacing System */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-xxl: 40px;
    --spacing-3xl: 60px;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 20px;
    --font-size-xl: 24px;
    --font-size-2xl: 28px;
    --font-size-3xl: 36px;
    --font-size-4xl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-circle: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Breakpoints (for reference in media queries) */
    --breakpoint-mobile: 768px;
    --breakpoint-tablet: 1024px;
    --breakpoint-desktop: 1440px;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* ========================================
   Header
   ======================================== */
.header {
    display: flex;
    align-items: center;
    background-color: var(--color-bg-white);
}

.logo {
    width: 154px;
    height: auto;
}

.separator {
    width: 1px;
    background-color: var(--color-text-light);
    margin: 0 var(--spacing-lg);
    align-self: stretch;
}

.tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

/* ========================================
   Main Content & Banner
   ======================================== */
.main-content {
    position: relative;
    margin: var(--spacing-lg) auto;
    overflow: hidden;
}

.banner {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    padding: var(--spacing-xxl);
    color: white;
}

.content-wrapper {
    max-width: 500px;
}

.coming-soon {
    font-size: var(--font-size-4xl);
    font-weight: bold;
    margin-bottom: var(--spacing-xl);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* ========================================
   Countdown Timer
   ======================================== */
.countdown {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-number {
    width: 60px;
    height: 60px;
    color: var(--color-text);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    box-shadow: var(--shadow-sm);
}

.countdown-label {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Signup Form
   ======================================== */
.signup-form {
    display: flex;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.email-input {
    flex: 1;
    padding: 12px var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: var(--font-size-sm);
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-text);
    transition: border var(--transition-fast);
}

.email-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-primary);
}

.email-input.error {
    border: 2px solid var(--color-error);
    background-color: rgba(231, 76, 60, 0.2);
}

.email-input.success {
    border: 2px solid var(--color-success);
}

.signup-button {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 12px var(--spacing-lg);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    font-weight: bold;
    transition: background-color var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.signup-button:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
}

.signup-button:disabled {
    background-color: var(--color-disabled);
    cursor: not-allowed;
    opacity: 0.7;
}

.signup-text {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Form Feedback Messages */
.error-message,
.success-message {
    position: relative;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    display: none;
    width: 100%;
    text-align: left;
    padding-left: var(--spacing-sm);
}

.error-message {
    color: var(--color-error);
    display: block;
}

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

/* ========================================
   Social Icons
   ======================================== */

/* ========================================
   Bullet Points Section
   ======================================== */
.bullet-points {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xxl);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.bullet-point-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    flex: 1;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.bullet-point-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.bullet-point-title {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-weight: bold;
}

.bullet-point-icon {
    margin-right: var(--spacing-sm);
    font-size: var(--spacing-lg);
}

.bullet-point-text {
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Bike with Mind Card (Transparent) */
.bike-with-mind-card {
    background-color: transparent;
    padding: 25px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
}

.bike-with-mind-header {
    font-size: var(--font-size-xl);
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.bike-with-mind-description {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    flex-grow: 1;
}

/* ========================================
   Shield Section
   ======================================== */
.shield-section {
    background-color: var(--color-shield-bg);
    padding: var(--spacing-3xl) var(--spacing-xxl);
    color: var(--color-text);
}

.shield-header {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.shield-subheader {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xxl);
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.shield-features {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.shield-feature {
    flex: 1;
    min-width: 300px;
    padding: var(--spacing-lg);
    border-right: 1px solid var(--color-border);
    text-align: center;
}

.shield-feature:last-child {
    border-right: none;
}

.shield-feature-title {
    font-size: var(--font-size-xl);
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.shield-feature-description {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
}

.shield-feature-image {
    width: 100%;
    height: 200px;
    object-fit: contain;
    margin-top: var(--spacing-lg);
}

/* ========================================
   Responsive Design - Mobile First
   ======================================== */

/* Tablet and smaller desktop (max-width: 1440px) */
@media (max-width: 1440px) {
    .main-content {
        margin: var(--spacing-lg) 0;
    }
    
    .overlay {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .features-section {
        padding: var(--spacing-xxl) var(--spacing-lg);
    }
    
    .shield-section {
        padding: var(--spacing-xxl) var(--spacing-lg);
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: center;
    }
    
    .logo {
        margin-bottom: var(--spacing-sm);
    }
    
    .separator {
        width: 80%;
        height: 1px;
        margin: var(--spacing-xs) 0;
        align-self: auto;
    }
    
    .tagline {
        text-align: center;
    }
    
    .overlay {
        padding: var(--spacing-xl) var(--spacing-lg);
        flex-direction: column;
        align-items: center;
    }
    
    .content-wrapper {
        width: 100%;
        max-width: 100%;
        text-align: center;
    }
    
    .coming-soon {
        font-size: 32px;
    }
    
    .countdown {
        justify-content: center;
    }
    
    .signup-form {
        flex-direction: column;
        max-width: 300px;
        margin: 0 auto var(--spacing-lg);
    }
    
    .email-input {
        border-radius: var(--radius-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .signup-button {
        border-radius: var(--radius-sm);
        margin-top: 0;
    }
    
    .signup-text {
        text-align: center;
    }
    
    .error-message,
    .success-message {
        position: relative;
        bottom: 0;
        margin-top: 5px;
        left: auto;
        text-align: center;
    }
    
    .bullet-points {
        padding: var(--spacing-lg);
        flex-direction: column;
    }
    
    .bullet-point-card {
        flex: 1 1 100%;
    }
    
    .features-section {
        padding: var(--spacing-xxl) var(--spacing-lg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        min-height: auto;
    }
    
    .shield-section {
        padding: var(--spacing-xxl) var(--spacing-lg);
    }
    
    .shield-header {
        font-size: var(--font-size-2xl);
    }
    
    .shield-features {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .shield-feature {
        min-width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: var(--spacing-xl);
    }
    
    .shield-feature:last-child {
        border-bottom: none;
    }
}

/* ========================================
   Accessibility Improvements
   ======================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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