/* =========================================
   DEEPER STILL - MAIN STYLESHEET
   Material Design with Brand Identity
   ========================================= */

/* CSS Variables - Brand Colors */
:root {
    /* Primary Colors */
    --primary-orange: #fdbe38;
    --primary-dark-azure: #1d3c58;
    --light-orange: #ffefd1;
    --white: #fefefe;
    
    /* Semantic Colors */
    --background: #fefefe;
    --surface: #ffffff;
    --text-primary: #1d3c58;
    --text-secondary: #4a6075;
    --text-hint: #8594a6;
    
    /* Elevation Shadows (Material Design) */
    --elevation-1: 0 1px 3px rgba(29, 60, 88, 0.12), 0 1px 2px rgba(29, 60, 88, 0.24);
    --elevation-2: 0 3px 6px rgba(29, 60, 88, 0.15), 0 2px 4px rgba(29, 60, 88, 0.12);
    --elevation-3: 0 10px 20px rgba(29, 60, 88, 0.15), 0 3px 6px rgba(29, 60, 88, 0.10);
    --elevation-4: 0 15px 25px rgba(29, 60, 88, 0.15), 0 5px 10px rgba(29, 60, 88, 0.10);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-display: 'Holiday', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   RESET & BASE STYLES
   ========================================= */

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

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

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   TYPOGRAPHY
   ========================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3rem;
    font-family: var(--font-display);
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

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

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark-azure);
}

/* =========================================
   LAYOUT CONTAINERS
   ========================================= */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-light {
    background-color: var(--light-orange);
}

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

.section-title {
    font-family: var(--font-display);
    color: var(--primary-dark-azure);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* =========================================
   BUTTONS (Material Design)
   ========================================= */

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--elevation-1);
    text-decoration: none;
}

.btn:hover {
    box-shadow: var(--elevation-2);
    transform: translateY(-2px);
}

.btn:active {
    box-shadow: var(--elevation-1);
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--primary-orange);
    color: var(--primary-dark-azure);
}

.btn-primary:hover {
    background-color: #fcc81f;
    color: var(--primary-dark-azure);
}

.btn-secondary {
    background-color: var(--primary-dark-azure);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #2a5170;
    color: var(--white);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-dark-azure);
    border: 2px solid var(--primary-dark-azure);
    box-shadow: none;
}

.btn-outline:hover {
    background-color: var(--primary-dark-azure);
    color: var(--white);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

/* =========================================
   CARDS (Material Design)
   ========================================= */

.card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--elevation-2);
    padding: var(--spacing-lg);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--elevation-3);
    transform: translateY(-4px);
}

/* =========================================
   FORMS
   ========================================= */

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--surface);
    border: 1px solid #d1d9e2;
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(253, 190, 56, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    color: #d32f2f;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form-success {
    color: #2e7d32;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* =========================================
   ALERTS
   ========================================= */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #4caf50;
}

.alert-error {
    background-color: #ffebee;
    color: #c62828;
    border-left: 4px solid #f44336;
}

.alert-info {
    background-color: #e3f2fd;
    color: #1565c0;
    border-left: 4px solid #2196f3;
}

.alert-warning {
    background-color: #fff3e0;
    color: #e65100;
    border-left: 4px solid #ff9800;
}

/* =========================================
   UTILITY CLASSES
   ========================================= */

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* =========================================
   LOADING SPINNER
   ========================================= */

.spinner {
    border: 3px solid var(--light-orange);
    border-top-color: var(--primary-orange);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
}

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

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.875rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 0.9375rem;
    }
}