/* ============================================
   SmartGuide Landing Page - Luxury Design
   Color scheme matches HP.svg logo
   Blue: #0047B5, Red: #D03242
   ============================================ */

:root {
    --luxury-blue: #0047B5;
    --luxury-red: #D03242;
    --luxury-white: #FFFFFF;
    --luxury-black: #000000;
    --luxury-gray: #2C2C2C;
    --luxury-light-gray: #F5F5F5;
    --luxury-dark-gray: #1A1A1A;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 48px rgba(0, 71, 181, 0.3);
    --shadow-blue: 0 8px 24px rgba(0, 71, 181, 0.25);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--luxury-black);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ============================================
   Container
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Landing Page Layout
   ============================================ */

.landing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.landing-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 71, 181, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(208, 50, 66, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.landing-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ============================================
   Logo Section
   ============================================ */

.logo-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo-section img {
    max-width: 300px;
    height: auto;
    margin: 0 auto var(--spacing-lg);
    filter: drop-shadow(var(--shadow-md));
}

/* ============================================
   Main Content Card
   ============================================ */

.content-card {
    background: var(--luxury-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--luxury-blue) 0%, var(--luxury-red) 100%);
}

/* ============================================
   Typography
   ============================================ */

.landing-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--luxury-gray);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    line-height: 1.2;
}

.landing-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    font-weight: 400;
}

@media (max-width: 768px) {
    .landing-title {
        font-size: 2rem;
    }
    
    .landing-subtitle {
        font-size: 1.1rem;
    }
    
    .content-card {
        padding: var(--spacing-xl);
    }
}

/* ============================================
   Form Styles
   ============================================ */

.code-form {
    margin-top: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--luxury-gray);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--luxury-black);
    background: var(--luxury-light-gray);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.form-input:focus {
    outline: none;
    border-color: var(--luxury-blue);
    background: var(--luxury-white);
    box-shadow: 0 0 0 4px rgba(0, 71, 181, 0.1);
}

.form-input::placeholder {
    color: #999;
    letter-spacing: normal;
    text-transform: none;
    font-weight: 400;
}

.form-error {
    color: var(--luxury-red);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
    text-align: center;
}

.form-error.show {
    display: block;
}

/* ============================================
   Button Styles
   ============================================ */

.btn-primary {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--luxury-white);
    background: linear-gradient(135deg, var(--luxury-blue) 0%, #003399 100%);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-blue);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #0055cc 0%, var(--luxury-blue) 100%);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   Footer
   ============================================ */

.landing-footer {
    background: var(--luxury-dark-gray);
    color: var(--luxury-white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-contact {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--luxury-white);
}

/* ============================================
   Loading State
   ============================================ */

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--luxury-white);
    animation: spin 0.8s linear infinite;
    margin-right: var(--spacing-xs);
    vertical-align: middle;
}

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

/* ============================================
   Success Animation
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-card {
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .landing-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .content-card {
        padding: var(--spacing-lg);
    }
    
    .logo-section img {
        max-width: 250px;
    }
    
    .form-input {
        font-size: 1rem;
    }
    
    .btn-primary {
        font-size: 1rem;
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .landing-title {
        font-size: 1.75rem;
    }
    
    .landing-subtitle {
        font-size: 1rem;
    }
    
    .logo-section img {
        max-width: 200px;
    }
}