/**
 * Cosmos Healthcare - Landing Page Styles
 * Mobile-first responsive design
 */

/* ============================================
   CSS Variables & Reset
   ============================================ */

:root {
    /* Brand Colors - derived from logo */
    --color-olive: #6B7A50;
    --color-olive-dark: #556240;
    --color-olive-light: #8A9A6E;
    --color-tan: #D4C5A9;
    --color-tan-light: #E8DFD0;
    --color-tan-lighter: #F5F1EA;
    --color-cream: #FDFCF9;
    
    /* Functional Colors */
    --color-text: #3D3D3D;
    --color-text-light: #666666;
    --color-text-muted: #888888;
    --color-white: #FFFFFF;
    --color-error: #C75050;
    --color-error-bg: #FDF2F2;
    --color-success: #4A7C59;
    --color-success-bg: #F0F7F2;
    
    /* Typography */
    --font-heading: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-cream);
    min-height: 100vh;
}

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

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: 
        linear-gradient(135deg, var(--color-tan-lighter) 0%, transparent 50%),
        linear-gradient(225deg, rgba(107, 122, 80, 0.05) 0%, transparent 50%),
        var(--color-cream);
}

/* ============================================
   Language Switcher
   ============================================ */

.language-switcher {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
}

.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-olive);
}

.lang-btn.active {
    color: var(--color-olive);
    background-color: var(--color-tan-light);
}

.lang-divider {
    color: var(--color-tan);
}

/* ============================================
   Header
   ============================================ */

.header {
    padding: var(--space-lg) var(--space-lg) var(--space-xl);
    text-align: center;
}

.logo-container {
    display: inline-block;
}

.logo {
    max-width: 220px;
    height: auto;
}

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

.main-content {
    flex: 1;
    padding: 0 var(--space-lg) var(--space-2xl);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.headline {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-olive-dark);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.headline-sub {
    display: block;
    font-size: 0.85em;
    font-weight: 400;
    color: var(--color-olive);
    margin-top: var(--space-xs);
}

.subheadline {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-text-light);
    font-style: italic;
}

/* ============================================
   Content Section
   ============================================ */

.content-section {
    margin-bottom: var(--space-2xl);
}

.body-copy {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-text);
}

.body-copy p {
    margin-bottom: var(--space-lg);
}

.highlight-text {
    background: linear-gradient(to right, var(--color-tan-light) 0%, var(--color-tan-lighter) 100%);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-olive);
    margin: var(--space-lg) 0;
}

.highlight-text strong {
    color: var(--color-olive-dark);
}

.benefits-list {
    list-style: none;
    padding-left: 0;
}

.benefits-list li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.benefits-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 8px;
    height: 8px;
    background-color: var(--color-olive);
    border-radius: 50%;
}

/* ============================================
   Form Section
   ============================================ */

.form-section {
    margin-bottom: var(--space-2xl);
}

.form-container {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

.form-group input {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: var(--space-md);
    border: 2px solid var(--color-tan);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    width: 100%;
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus {
    border-color: var(--color-olive);
    box-shadow: 0 0 0 3px rgba(107, 122, 80, 0.15);
}

.form-group input.error {
    border-color: var(--color-error);
    background-color: var(--color-error-bg);
}

.form-group input.error:focus {
    box-shadow: 0 0 0 3px rgba(199, 80, 80, 0.15);
}

/* Phone Input Group */
.phone-input-group {
    display: flex;
    gap: var(--space-sm);
}

.country-code-select {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: var(--space-md);
    border: 2px solid var(--color-tan);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    color: var(--color-text);
    cursor: pointer;
    min-width: 110px;
    flex-shrink: 0;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7A50' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

/* Fix dropdown overflow - limit visible options */
.country-code-select option {
    padding: 8px 12px;
}

/* Country Select Dropdown */
.country-select {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 2px solid var(--color-tan);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7A50' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.country-select:hover {
    border-color: var(--color-olive-light);
}

.country-select:focus {
    outline: none;
    border-color: var(--color-olive);
    box-shadow: 0 0 0 3px rgba(107, 122, 80, 0.15);
}

.country-select option {
    padding: 8px 12px;
}

/* Limit dropdown height on desktop browsers */
@media (min-width: 768px) {
    .country-code-select:focus {
        overflow-y: auto;
    }
}

/* Mobile-specific: Use native picker which handles scrolling */
@media (max-width: 767px) {
    .country-code-select {
        font-size: 16px; /* Prevents iOS zoom */
    }
}

.country-code-select:focus {
    border-color: var(--color-olive);
    box-shadow: 0 0 0 3px rgba(107, 122, 80, 0.15);
}

.country-code-select.error {
    border-color: var(--color-error);
    background-color: var(--color-error-bg);
}

.phone-input-group input[type="tel"] {
    flex: 1;
    min-width: 0;
}

/* Custom Country Code Dropdown */
.custom-select-wrapper {
    position: relative;
    min-width: 160px;
    flex-shrink: 0;
}

.custom-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 2px solid var(--color-tan);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.custom-select-trigger:hover {
    border-color: var(--color-olive-light);
}

.custom-select-trigger:focus {
    outline: none;
    border-color: var(--color-olive);
    box-shadow: 0 0 0 3px rgba(107, 122, 80, 0.15);
}

.custom-select-trigger .selected-value {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-select-trigger .select-arrow {
    font-size: 0.7rem;
    color: var(--color-olive);
    margin-left: var(--space-sm);
    transition: transform var(--transition-fast);
}

.custom-select-wrapper.open .select-arrow {
    transform: rotate(180deg);
}

.custom-select-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    margin-top: 4px;
    background: var(--color-white);
    border: 2px solid var(--color-tan);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 280px;
    overflow: hidden;
}

.custom-select-wrapper.open .custom-select-dropdown {
    display: block;
}

.country-search {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-bottom: 1px solid var(--color-tan-light);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
}

.country-search:focus {
    background-color: var(--color-tan-lighter);
}

.country-options {
    max-height: 220px;
    overflow-y: auto;
}

.country-option {
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    font-size: 0.95rem;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.country-option:hover {
    background-color: var(--color-tan-lighter);
}

.country-option.selected {
    background-color: var(--color-tan-light);
    color: var(--color-olive-dark);
    font-weight: 500;
}

/* Scrollbar styling for country options */
.country-options::-webkit-scrollbar {
    width: 6px;
}

.country-options::-webkit-scrollbar-track {
    background: var(--color-tan-lighter);
}

.country-options::-webkit-scrollbar-thumb {
    background: var(--color-tan);
    border-radius: 3px;
}

.country-options::-webkit-scrollbar-thumb:hover {
    background: var(--color-olive-light);
}

.error-message {
    font-size: 0.8125rem;
    color: var(--color-error);
    display: none;
    min-height: 1.25rem;
    line-height: 1.4;
}

/* General error message */
.general-error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-error);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
    display: none;
}

/* ============================================
   Submit Button
   ============================================ */

.form-actions {
    margin-top: var(--space-xl);
}

.submit-btn {
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-olive) 0%, var(--color-olive-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    min-height: 52px;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Success Message
   ============================================ */

.success-message {
    text-align: center;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--color-success-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-success);
    animation: scaleIn 0.4s ease-out;
}

.success-icon svg {
    width: 40px;
    height: 40px;
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-olive-dark);
    margin-bottom: var(--space-md);
}

.success-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    max-width: 500px;
    margin: 0 auto;
}

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

.footer {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-tan-light);
    background: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Tablet Styles (min-width: 600px)
   ============================================ */

@media (min-width: 600px) {
    .header {
        padding: var(--space-xl) var(--space-xl) var(--space-2xl);
    }

    .logo {
        max-width: 280px;
    }

    .main-content {
        padding: 0 var(--space-xl) var(--space-3xl);
    }

    .headline {
        font-size: 2.25rem;
    }

    .subheadline {
        font-size: 1.25rem;
    }

    .form-container {
        padding: var(--space-2xl);
    }

    .form-row {
        flex-direction: row;
        gap: var(--space-lg);
    }

    .form-group {
        flex: 1;
    }

    .submit-btn {
        width: auto;
        min-width: 200px;
        margin: 0 auto;
        display: flex;
    }

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

/* ============================================
   Desktop Styles (min-width: 900px)
   ============================================ */

@media (min-width: 900px) {
    .language-switcher {
        padding: var(--space-lg) var(--space-2xl);
    }

    .header {
        padding: var(--space-2xl) var(--space-2xl) var(--space-3xl);
    }

    .logo {
        max-width: 320px;
    }

    .main-content {
        padding: 0 var(--space-2xl) var(--space-3xl);
        max-width: 900px;
    }

    .headline {
        font-size: 2.5rem;
    }

    .body-copy {
        font-size: 1.0625rem;
    }

    .form-container {
        padding: var(--space-2xl) var(--space-3xl);
    }

    .form-group input {
        padding: var(--space-md) var(--space-lg);
    }

    .submit-btn {
        padding: var(--space-md) var(--space-3xl);
        font-size: 1.0625rem;
    }

    .success-message {
        padding: var(--space-3xl);
    }

    .success-icon {
        width: 100px;
        height: 100px;
    }

    .success-icon svg {
        width: 50px;
        height: 50px;
    }

    .success-title {
        font-size: 1.75rem;
    }

    .success-text {
        font-size: 1.0625rem;
    }
}

/* ============================================
   Large Desktop Styles (min-width: 1200px)
   ============================================ */

@media (min-width: 1200px) {
    .main-content {
        max-width: 1000px;
    }

    .headline {
        font-size: 2.75rem;
    }
}

/* ============================================
   Accessibility & Print
   ============================================ */

/* Focus visible for keyboard navigation */
.lang-btn:focus-visible,
.submit-btn:focus-visible,
.form-group input:focus-visible {
    outline: 2px solid var(--color-olive);
    outline-offset: 2px;
}

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

    html {
        scroll-behavior: auto;
    }
}

/* Print styles */
@media print {
    .page-wrapper {
        background: white;
    }

    .language-switcher,
    .form-section {
        display: none;
    }

    .header,
    .main-content {
        padding: 0;
    }
}