/* ============================================
   Zendia - B2B Medical Tourism Coordination
   Partner-Focused Design | Navy Theme
   Mobile-First Responsive Design
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    /* Navy Color Palette */
    --navy-primary: #0a2540;
    --navy-dark: #051628;
    --navy-light: #1a3a5c;
    --navy-accent: #2d5580;
    
    /* Accent Colors */
    --gold-accent: #d4af37;
    --gold-light: #e8c76f;
    --gold-dark: #b8941f;
    
    /* Neutral Colors */
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    
    /* Status Colors */
    --success: #28a745;
    --info: #17a2b8;
    --warning: #ffc107;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-heading: "Helvetica Neue", Helvetica, Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(10, 37, 64, 0.1);
    --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.15);
    --shadow-lg: 0 8px 24px rgba(10, 37, 64, 0.2);
    --shadow-xl: 0 12px 40px rgba(10, 37, 64, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

/* Edge/IE Image Fix */
img {
    -ms-interpolation-mode: bicubic;
    max-width: 100%;
    vertical-align: middle;
}

/* Service and Trust images only */
.service-image img,
.trust-image img {
    height: auto;
}

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

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

a {
    color: var(--gold-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: 0.5rem;
}

strong {
    font-weight: 600;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Header ===== */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    flex-wrap: wrap;
}

.logo-container {
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--navy-primary);
    letter-spacing: 0.05em;
}

.logo-image {
    height: 90px !important;
    width: auto;
    display: block;
    max-width: none;
}

nav {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

nav ul.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

nav ul.nav-links li {
    margin: 0;
}

nav ul.nav-links a {
    color: var(--navy-primary);
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

nav ul.nav-links a:hover {
    color: var(--gold-accent);
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.lang-btn {
    background-color: transparent;
    border: 2px solid var(--navy-light);
    color: var(--navy-primary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background-color: var(--navy-light);
    color: var(--white);
}

.lang-btn.active {
    background-color: var(--gold-accent);
    border-color: var(--gold-accent);
    color: var(--white);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--navy-primary) 0%, var(--navy-dark) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--gold-light);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--gold-accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--navy-primary);
}

.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
}

/* ===== KITF Notice ===== */
.kitf-notice {
    background-color: var(--gold-accent);
    color: var(--white);
    padding: var(--spacing-md) 0;
}

.kitf-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.kitf-icon {
    font-size: 2rem;
}

.kitf-text {
    font-size: 1.05rem;
    line-height: 1.5;
}

.kitf-text strong {
    font-weight: 700;
}

/* ===== Partner Contact Block ===== */
.partner-contact {
    background-color: var(--off-white);
    padding: var(--spacing-xl) 0;
}

.partner-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.partner-card h2 {
    color: var(--navy-primary);
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.partner-intro {
    font-size: 1.1rem;
    color: var(--medium-gray);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.partner-details {
    background-color: var(--off-white);
    border-left: 4px solid var(--gold-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.partner-detail-item {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.partner-detail-item:last-child {
    margin-bottom: 0;
}

.priority-notice {
    background-color: var(--gold-light);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    color: var(--navy-dark);
}

.email-link {
    color: var(--gold-accent);
    font-weight: 600;
    font-size: 1.1rem;
}

.email-link:hover {
    color: var(--gold-dark);
    text-decoration: underline;
}

.partner-info-request {
    margin: var(--spacing-lg) 0;
}

.partner-info-request h3 {
    color: var(--navy-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.partner-info-request ul {
    list-style-type: disc;
    margin-left: 1.5rem;
}

.partner-info-request li {
    margin-bottom: 0.5rem;
    color: var(--medium-gray);
}

.cta-button-wrapper {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===== Section Styles ===== */
section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2rem;
    color: var(--navy-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--medium-gray);
}

.services-section {
    background-color: var(--white);
}

.process-bg {
    background-color: var(--off-white);
}

.trust-bg {
    background-color: var(--navy-primary);
    color: var(--white);
}

.trust-bg .section-title {
    color: var(--white);
}

.trust-bg .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Role Clarification ===== */
.role-clarification {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--off-white);
    border-radius: var(--radius-lg);
}

.role-item h3 {
    color: var(--navy-primary);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.role-item p {
    color: var(--medium-gray);
    line-height: 1.7;
}

/* ===== Services Grid ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--light-gray);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card-with-image .service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    display: block;
    position: relative;
}

.service-card-with-image .service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    display: block;
    /* Edge fallback */
    -ms-interpolation-mode: bicubic;
    max-width: 100%;
}

.service-card-with-image:hover .service-image img {
    transform: scale(1.05);
}

.service-card h3 {
    color: var(--navy-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-md) 0;
}

.service-card > p {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    padding: 0 var(--spacing-md);
}

.service-details {
    margin-top: var(--spacing-sm);
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.service-details summary {
    color: var(--gold-accent);
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.service-details summary:hover {
    color: var(--gold-dark);
}

.service-details p {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--off-white);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

.service-scope-note {
    background-color: var(--navy-light);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

.service-scope-note p {
    margin: 0;
    line-height: 1.6;
}

.service-scope-note a {
    color: var(--gold-light);
    text-decoration: underline;
}

.service-scope-note a:hover {
    color: var(--gold-accent);
}

/* ===== Process Steps ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.process-step {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-base);
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    background-color: var(--gold-accent);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.process-step h3 {
    color: var(--navy-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ===== Trust Grid ===== */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.trust-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
    overflow: hidden;
}

.trust-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.trust-item h3 {
    color: var(--gold-light);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-md) 0;
}

.trust-item > p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    padding: 0 var(--spacing-md) var(--spacing-md);
    margin-bottom: 0;
}

/* Trust item with image */
.trust-item-with-image {
    position: relative;
}

.trust-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    display: block;
    position: relative;
}

.trust-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-base);
    display: block;
    /* Edge fallback */
    -ms-interpolation-mode: bicubic;
    max-width: 100%;
}

.trust-item-with-image:hover .trust-image img {
    transform: scale(1.05);
}

/* ===== Visa Section ===== */
.visa-section {
    background-color: var(--off-white);
    padding: var(--spacing-xl) 0;
}

.visa-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--warning);
}

.visa-content h2 {
    color: var(--navy-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.visa-content p {
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.visa-content strong {
    color: var(--navy-primary);
}

/* ===== Contact Section ===== */
.contact-section {
    background-color: var(--navy-primary);
    color: var(--white);
}

.contact-section .section-title {
    color: var(--white);
}

.contact-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.contact-methods {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.contact-card-single {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 600px;
    width: 100%;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(212, 175, 55, 0.3));
    transition: transform var(--transition-base);
}

.contact-card-single:hover .contact-icon-img {
    transform: scale(1.1);
}

.contact-card-single h3 {
    color: var(--gold-light);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.email-link-large {
    display: block;
    color: var(--gold-accent);
    font-size: 1.3rem;
    font-weight: 700;
    margin: var(--spacing-sm) 0;
    word-break: break-all;
}

.email-link-large:hover {
    color: var(--gold-light);
    text-decoration: underline;
}

.contact-card-single p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

.contact-response-time {
    font-weight: 600;
    color: var(--gold-light);
}

.contact-languages {
    color: rgba(255, 255, 255, 0.9);
}

.contact-note {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--gold-accent);
}

.contact-note p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.contact-note p:last-child {
    margin-bottom: 0;
}

.contact-note strong {
    color: var(--gold-light);
}

/* ===== Footer ===== */
footer {
    background-color: var(--navy-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--gold-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    line-height: 1.6;
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
    margin: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--gold-light);
}

.footer-legal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-item h4 {
    color: var(--gold-light);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.legal-item p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Floating CTA ===== */
.floating-cta {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 999;
}

.floating-cta .btn {
    box-shadow: var(--shadow-xl);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.3rem; }
    
    .header-content {
        flex-direction: column;
        align-items: center;
    }
    
    .logo-container {
        width: 100%;
        text-align: center;
        margin-bottom: var(--spacing-sm);
    }
    
    .logo-image {
        height: 72px !important;
        margin: 0 auto;
        max-width: none;
    }
    
    nav {
        width: 100%;
    }
    
    nav ul.nav-links {
        width: 100%;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .lang-switcher {
        margin-top: var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-tagline {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .kitf-content {
        flex-direction: column;
        text-align: center;
    }
    
    .partner-card {
        padding: var(--spacing-md);
    }
    
    .role-clarification {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-legal {
        grid-template-columns: 1fr;
    }
    
    .floating-cta {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
    }
    
    .floating-cta .btn {
        width: 100%;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .partner-card {
        padding: var(--spacing-sm);
    }
    
    .service-card {
        padding: 0;
    }
    
    .visa-content {
        padding: var(--spacing-md);
    }
    
    .logo-image {
        height: 60px !important;
        max-width: none;
    }
    
    .contact-icon-img {
        width: 60px;
        height: 60px;
    }
}

/* ===== Accessibility ===== */
a:focus,
button:focus,
summary:focus {
    outline: 3px solid var(--gold-accent);
    outline-offset: 2px;
}

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

/* ===== Print Styles ===== */
@media print {
    header,
    .floating-cta,
    .btn-group,
    .lang-switcher {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    a {
        text-decoration: underline;
    }
}