/* Drift Marketing Website Styles */
/* Requirements: 1.5, 5.1, 5.2, 5.3, 5.4, 5.5 */

/* ============================================
   CSS Custom Properties - Drift Brand System
   ============================================ */
:root {
    /* Brand Colors */
    --ocean-blue: #1E3A5F;
    --sandy-beige: #D4C5B9;
    --sea-glass-green: #7FA99B;
    --sunrise-coral: #F28C6B;
    --driftwood-grey: #4A4A4A;
    --light-sand: #F5F1ED;
    --pebble-grey: #B0B0B0;
    
    /* Typography Scale with Enhanced Fallbacks */
    --font-primary: 'Playfair Display', var(--font-primary-fallback);
    --font-secondary: 'Lato', var(--font-secondary-fallback);
    
    /* Font Sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    
    /* Font Fallback Stacks */
    --font-primary-fallback: Georgia, 'Times New Roman', Times, serif;
    --font-secondary-fallback: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;     /* 4px */
    --space-sm: 0.5rem;      /* 8px */
    --space-md: 1rem;        /* 16px */
    --space-lg: 1.5rem;      /* 24px */
    --space-xl: 2rem;        /* 32px */
    --space-2xl: 3rem;       /* 48px */
    --space-3xl: 4rem;       /* 64px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 1rem;       /* 16px */
    --radius-full: 9999px;   /* Fully rounded */
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-secondary);
    color: var(--driftwood-grey);
    background-color: var(--sandy-beige);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Typography Hierarchy
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.2;
    color: var(--ocean-blue);
}

h1 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-md);
}

h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

p {
    margin-bottom: var(--space-md);
}

/* ============================================
   Header
   ============================================ */
.site-header {
    padding: var(--space-lg) var(--space-xl);
    background-color: transparent;
}

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

.site-title {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    color: var(--ocean-blue);
    margin: 0;
}

/* ============================================
   Hero Section with Clean Gradient Background
   ============================================ */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-xl);
    min-height: 80vh;
    position: relative;
    background: linear-gradient(
        135deg,
        var(--sandy-beige) 0%,
        #E8DDD4 25%,
        var(--sea-glass-green) 50%,
        #B8CFC5 75%,
        var(--light-sand) 100%
    );
    background-size: 400% 400%;
    animation: gentle-gradient 20s ease-in-out infinite;
}

@keyframes gentle-gradient {
    0%, 100% { background-position: 0% 50%; }
    25% { background-position: 100% 50%; }
    50% { background-position: 100% 100%; }
    75% { background-position: 0% 100%; }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .hero {
        animation: none;
        background: linear-gradient(
            135deg,
            var(--sandy-beige) 0%,
            #E8DDD4 50%,
            var(--light-sand) 100%
        );
    }
}



.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    text-align: center;
}

/* Hero Title - Primary messaging */
.hero-title {
    font-family: var(--font-primary);
    font-size: var(--text-5xl);
    line-height: 1.2;
    color: var(--ocean-blue);
    margin-bottom: var(--space-2xl);
    font-weight: 400;
}

/* Hero Description - Clean, single message */
.hero-description {
    font-family: var(--font-secondary);
    font-size: var(--text-xl);
    line-height: 1.6;
    color: var(--driftwood-grey);
    margin-bottom: var(--space-3xl);
    font-weight: 400;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Coming Soon Badge */
.coming-soon-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--sea-glass-green), #6B9688);
    color: white;
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3xl);
    box-shadow: 0 4px 20px rgba(127, 169, 155, 0.3);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Coming Soon Badge Hover Effect */
.coming-soon-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(127, 169, 155, 0.4);
}

/* ============================================
   Email Signup Form
   ============================================ */
.signup-form {
    margin-top: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-md);
}

.signup-form input[type="email"] {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
    font-family: var(--font-secondary);
    border: 2px solid var(--pebble-grey);
    border-radius: var(--radius-md);
    background-color: var(--light-sand);
    color: var(--driftwood-grey);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    min-height: 44px; /* Accessibility: minimum touch target */
}

.signup-form input[type="email"]::placeholder {
    color: var(--pebble-grey);
    opacity: 0.8;
}

.signup-form input[type="email"]:hover {
    border-color: var(--sea-glass-green);
}

.signup-form input[type="email"]:focus {
    outline: none;
    border-color: var(--sea-glass-green);
    box-shadow: 0 0 0 3px rgba(127, 169, 155, 0.2);
}

.signup-form input[type="email"]:invalid:not(:placeholder-shown) {
    border-color: #dc3545;
}

.signup-form input[type="email"].error {
    border-color: #dc3545;
}

.signup-form input[type="email"].error:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

/* Submit Button */
.submit-button {
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
    font-weight: 700;
    font-family: var(--font-secondary);
    color: white;
    background-color: var(--sunrise-coral);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
    min-height: 44px; /* Accessibility: minimum touch target */
    box-shadow: 0 2px 8px rgba(242, 140, 107, 0.3);
}

.submit-button:hover {
    background-color: #e07a5a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(242, 140, 107, 0.4);
}

.submit-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(242, 140, 107, 0.3);
}

.submit-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(127, 169, 155, 0.3), 0 2px 8px rgba(242, 140, 107, 0.3);
}

.submit-button:disabled {
    background-color: var(--pebble-grey);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}

/* Error Message */
.error-message {
    display: block;
    color: #dc3545;
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
    min-height: 1.25rem;
}

.error-message:empty {
    display: none;
}

/* Success/Error Message Display */
.message {
    margin-top: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: 1.5;
    display: none;
    animation: slideIn var(--transition-base);
}

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

.message.success {
    display: block;
    background-color: rgba(127, 169, 155, 0.15);
    color: var(--ocean-blue);
    border: 1px solid var(--sea-glass-green);
}

.message.error {
    display: block;
    background-color: rgba(220, 53, 69, 0.1);
    color: #721c24;
    border: 1px solid #dc3545;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    background-color: transparent;
    margin-top: auto;
}

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

.footer-contact,
.footer-copyright {
    font-size: var(--text-sm);
    color: var(--driftwood-grey); /* Changed from pebble-grey for better contrast */
    margin: var(--space-xs) 0;
}

.footer-contact a {
    color: var(--ocean-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--sea-glass-green);
    text-decoration: underline;
}

.footer-contact a:focus {
    outline: 2px solid var(--sea-glass-green);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   Fallback Styles for Graceful Degradation
   ============================================ */

/* Fallback for JavaScript disabled */
.noscript-fallback {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background-color: rgba(127, 169, 155, 0.1);
    border: 2px solid var(--sea-glass-green);
    border-radius: var(--radius-md);
    text-align: center;
}

.noscript-message {
    font-size: var(--text-base);
    color: var(--ocean-blue);
    margin: 0;
    line-height: 1.6;
}

.noscript-message a {
    color: var(--sunrise-coral);
    text-decoration: underline;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.noscript-message a:hover {
    color: var(--ocean-blue);
}

.noscript-message a:focus {
    outline: 2px solid var(--sea-glass-green);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Fallback fonts for when custom fonts fail to load */
.font-fallback {
    font-family: Georgia, 'Times New Roman', Times, serif;
}

.font-fallback-secondary {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* Firebase unavailable fallback styles */
.firebase-error {
    background-color: rgba(220, 53, 69, 0.1);
    border: 2px solid #dc3545;
    color: #721c24;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    text-align: center;
}

.firebase-error a {
    color: #721c24;
    font-weight: 600;
    text-decoration: underline;
}

.firebase-error a:hover {
    color: #dc3545;
}

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

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -100px;
    left: -100px;
    background: var(--ocean-blue);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 700;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
    outline: 2px solid var(--sea-glass-green);
    outline-offset: 2px;
}

/* Enhanced focus indicators for keyboard navigation */
*:focus {
    outline: 2px solid var(--sea-glass-green);
    outline-offset: 2px;
}

/* Focus visible for modern browsers */
*:focus-visible {
    outline: 2px solid var(--sea-glass-green);
    outline-offset: 2px;
}

/* Remove focus outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

/* High contrast focus for form elements */
input:focus,
button:focus,
a:focus {
    outline: 3px solid var(--sea-glass-green);
    outline-offset: 2px;
    box-shadow: 0 0 0 1px var(--ocean-blue);
}

/* Ensure focus is visible on all interactive elements */
button:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 3px solid var(--sea-glass-green);
    outline-offset: 2px;
    box-shadow: 0 0 0 1px var(--ocean-blue);
}

/* Email label styling - make visible for better accessibility */
.email-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--ocean-blue);
    margin-bottom: var(--space-xs);
    font-family: var(--font-secondary);
}

/* ============================================
   Responsive Design - Mobile First
   Requirements: 6.1, 6.2, 6.3, 6.4, 6.5
   ============================================ */

/* Mobile-specific adjustments (default, mobile-first) */
@media (max-width: 575px) {
    :root {
        font-size: 14px;
    }
    
    .site-header {
        padding: var(--space-md) var(--space-lg);
    }
    
    .site-title {
        font-size: var(--text-xl);
    }
    
    .hero {
        padding: var(--space-xl) var(--space-md);
        min-height: 70vh;
    }
    

    
    .hero-title {
        font-size: var(--text-3xl);
        margin-bottom: var(--space-xl);
        line-height: 1.25;
    }
    
    .hero-description {
        font-size: var(--text-lg);
        margin-bottom: var(--space-2xl);
        line-height: 1.6;
    }
    
    .coming-soon-badge {
        font-size: var(--text-xs);
        padding: var(--space-xs) var(--space-lg);
        margin-bottom: var(--space-xl);
        /* Ensure minimum touch target size: 44x44px */
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .signup-form {
        margin-top: var(--space-lg);
    }
    
    /* Ensure form elements have adequate touch targets on mobile */
    .signup-form input[type="email"],
    .submit-button {
        min-height: 48px; /* Slightly larger for better mobile UX */
        font-size: var(--text-base);
    }
    
    .site-footer {
        padding: var(--space-lg) var(--space-md);
    }
    
    /* Improve footer readability on mobile */
    .footer-contact,
    .footer-copyright {
        font-size: var(--text-xs);
        line-height: 1.5;
    }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-description {
        font-size: var(--text-lg);
    }
    
    /* Optimize form layout for landscape phones */
    .signup-form input[type="email"],
    .submit-button {
        min-height: 44px;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    :root {
        font-size: 16px; /* Reset to base size for tablets */
    }
    
    .site-header {
        padding: var(--space-xl) var(--space-2xl);
    }
    
    .hero {
        padding: var(--space-3xl) var(--space-2xl);
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: var(--text-5xl);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: var(--text-xl);
        line-height: 1.7;
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .coming-soon-badge {
        font-size: var(--text-sm);
        padding: var(--space-sm) var(--space-xl);
    }
    
    /* Optimize form for tablet screens */
    .signup-form {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    :root {
        font-size: 18px; /* Slightly larger for desktop */
    }
    
    .hero-content {
        max-width: 700px;
    }
    
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    /* Optimize form for desktop screens */
    .signup-form {
        max-width: 550px;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .hero-content {
        max-width: 800px;
    }
    
    .hero-title {
        font-size: calc(var(--text-5xl) * 1.1);
    }
    
    .signup-form {
        max-width: 600px;
    }
}

/* Landscape orientation adjustments for mobile devices */
@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: var(--space-lg) var(--space-xl);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-md);
    }
    
    .hero-description {
        font-size: var(--text-sm);
        margin-bottom: var(--space-sm);
    }
    
    .hero-subtitle {
        font-size: var(--text-xs);
        margin-bottom: var(--space-md);
    }
    
    .coming-soon-badge {
        margin-bottom: var(--space-md);
    }
}

/* High DPI / Retina display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .coming-soon-badge:hover {
        transform: none;
    }
    
    .submit-button:hover {
        transform: none;
    }
}

/* ============================================
   Fallback Styles for Graceful Degradation
   ============================================ */

/* Fallback for JavaScript disabled */
.noscript-fallback {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background-color: rgba(127, 169, 155, 0.1);
    border: 2px solid var(--sea-glass-green);
    border-radius: var(--radius-md);
    text-align: center;
}

.noscript-message {
    font-size: var(--text-base);
    color: var(--ocean-blue);
    margin: 0;
    line-height: 1.6;
}

.noscript-message a {
    color: var(--sunrise-coral);
    text-decoration: underline;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.noscript-message a:hover {
    color: var(--ocean-blue);
}

.noscript-message a:focus {
    outline: 2px solid var(--sea-glass-green);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Firebase unavailable fallback styles */
.firebase-error {
    background-color: rgba(220, 53, 69, 0.1);
    border: 2px solid #dc3545;
    color: #721c24;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    text-align: center;
}

.firebase-error a {
    color: #721c24;
    font-weight: 600;
    text-decoration: underline;
}

.firebase-error a:hover {
    color: #dc3545;
}

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

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -100px;
    left: -100px;
    background: var(--ocean-blue);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 700;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
    outline: 2px solid var(--sea-glass-green);
    outline-offset: 2px;
}

/* ============================================
   Font Loading with font-display: swap
   ============================================ */
@font-face {
    font-family: 'Playfair Display';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/PlayfairDisplay-Regular.woff2') format('woff2'),
         local('Playfair Display Regular'),
         local('PlayfairDisplay-Regular');
}

@font-face {
    font-family: 'Lato';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/Lato-Regular.woff2') format('woff2'),
         local('Lato Regular'),
         local('Lato-Regular');
}

@font-face {
    font-family: 'Lato';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/Lato-Bold.woff2') format('woff2'),
         local('Lato Bold'),
         local('Lato-Bold');
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .coming-soon-badge,
    .signup-form,
    .site-footer {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    .hero::before {
        display: none;
    }
}