/* SpecBrains Website - Main Stylesheet */

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

:root {
    /* Colors */
    --primary-turquoise: #00BCD4;
    --primary-pink: #E91E63;
    --accent-yellow: #FFD54F;
    --accent-purple: #9C27B0;
    --dark-navy: #1A237E;
    --text-dark: #263238;
    --text-gray: #757575;
    --text-light: #BDBDBD;
    --bg-light: #FAFAFA;
    --bg-white: #FFFFFF;
    --border-light: #E0E0E0;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-serif: Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    font-size: 16px;
    padding-bottom: 44px; /* height of sticky bar */
}

/* Typography */
h1 {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--dark-navy);
}

h2 {
    font-size: clamp(24px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--dark-navy);
    text-align: center;
}

h3 {
    font-size: clamp(18px, 3vw, 28px);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-navy);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    line-height: 1.7;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: #0097A7;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 188, 212, 0.3);
}

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

.btn-secondary:hover {
    background-color: #C2185B;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-turquoise);
    border: 2px solid var(--primary-turquoise);
}

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

.btn-light {
    background-color: white;
    color: var(--primary-turquoise);
    border: 2px solid white;
}

.btn-light:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--dark-navy);
    font-weight: 700;
    font-size: 18px;
}

.logo-text {
    display: none;
}

.logo-image {
    height: 56px;
    width: auto;
    max-width: 180px;
    display: block;
    transition: all 0.3s ease;
}

.logo-link:hover .logo-image {
    opacity: 0.8;
    transform: scale(1.05);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-navy);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-turquoise);
}

.nav-menu a:not(.cta-btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-pink);
    transition: var(--transition);
}

.nav-menu a:not(.cta-btn):hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.placeholder-image {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Sections */
section {
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: var(--spacing-xl);
}

/* Services Grid */
.services-overview {
    max-width: 1200px;
    margin: 0 auto;
}

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

.service-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-turquoise);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card h3 {
    text-align: center;
}

.service-card p {
    color: var(--text-gray);
    font-size: 15px;
    margin-bottom: 0;
}

.services-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Features Grid */
.why-choose {
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    padding: var(--spacing-lg);
    text-align: center;
    background-color: white;
    border-radius: 8px;
    transition: var(--transition);
}

.feature-item:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
}

.feature-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-turquoise), var(--accent-purple));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.feature-item h3 {
    text-align: center;
}

.feature-item p {
    color: var(--text-gray);
    font-size: 15px;
    margin-bottom: 0;
}

/* Conditions */
.conditions-preview {
    max-width: 1200px;
    margin: 0 auto;
}

.conditions-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.condition-badge {
    background: linear-gradient(135deg, var(--primary-turquoise), var(--primary-pink));
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
}

.conditions-cta,
.diagnosis-cta,
.testimonials-cta {
    text-align: center;
}

/* Early Diagnosis */
.early-diagnosis {
    max-width: 1200px;
    margin: 0 auto;
}

.diagnosis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.diagnosis-box {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--primary-turquoise);
}

.diagnosis-box h3 {
    color: var(--primary-turquoise);
    margin-bottom: var(--spacing-md);
}

.diagnosis-box ul,
.diagnosis-box ol {
    margin-left: var(--spacing-lg);
    color: var(--text-gray);
}

.diagnosis-box li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

/* Testimonials */
.testimonials-preview {
    max-width: 1200px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.testimonial-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-top: 4px solid var(--primary-pink);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.testimonial-text {
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-turquoise);
    font-size: 14px;
    margin-bottom: 0;
}

/* CTA Banner */
.cta-banner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    color: white;
}

.cta-banner-content h2 {
    color: white;
}

.cta-banner-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
    background-color: var(--dark-navy);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-section a:hover {
    color: var(--primary-turquoise);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

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

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        gap: 0;
        display: none;
        padding: var(--spacing-md);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--border-light);
    }
    
    .nav-menu a {
        display: block;
        padding: var(--spacing-md) 0;
    }
    
    .logo-text {
        display: inline;
    }
    
    .hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .services-grid,
    .features-grid,
    .diagnosis-grid,
    .testimonials-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
    }
    
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    .nav-container {
        padding: 0.75rem 0.5rem;
    }
    
    .nav-menu {
        top: 56px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .services-grid,
    .features-grid {
        gap: var(--spacing-md);
    }
}

/* Mobile Logo Sizing */
@media (max-width: 768px) {
    .logo-image {
        height: 44px;
        max-width: 140px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 36px;
        max-width: 110px;
    }
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.story-image,
.condition-icon,
.team-image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Footer Copyright Light Color */
.footer-bottom p {
    color: rgba(255, 255, 255, 0.6) !important;
    font-size: 13px;
}

.footer-bottom span {
    color: rgba(255, 255, 255, 0.5) !important;
}

/* Responsive Map Height */
@media (max-width: 768px) {
    .map-container iframe {
        height: 350px !important;
    }
}

@media (max-width: 480px) {
    .map-container iframe {
        height: 300px !important;
    }
}

/* ── Sticky bottom contact bar ────────────────────────────────────────── */
.sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2000;
    background-color: var(--dark-navy);
    border-top: 2px solid var(--primary-turquoise);
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sticky-bar p {
    margin: 0;
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 1rem;
    text-align: center;
}

.sticky-bar a {
    color: var(--primary-turquoise);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.sticky-bar a:hover {
    color: #fff;
}

.sticky-bar .sep {
    color: rgba(255,255,255,0.3);
    margin: 0 0.6rem;
}

@media (max-width: 480px) {
    body {
        padding-bottom: 52px;
    }
    .sticky-bar {
        height: 52px;
    }
    .sticky-bar p {
        font-size: 12px;
        white-space: normal;
        line-height: 1.4;
        padding: 0 0.75rem;
    }
}

/* ── Sticky bottom contact bar ────────────────────────────────────────── */
.sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2000;
    background-color: var(--dark-navy);
    border-top: 2px solid var(--primary-turquoise);
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sticky-bar p {
    margin: 0;
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 1rem;
    text-align: center;
}

.sticky-bar a {
    color: var(--primary-turquoise);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.sticky-bar a:hover {
    color: #fff;
}

.sticky-bar .sep {
    color: rgba(255,255,255,0.3);
    margin: 0 0.6rem;
}

@media (max-width: 480px) {
    body {
        padding-bottom: 52px;
    }
    .sticky-bar {
        height: 52px;
    }
    .sticky-bar p {
        font-size: 12px;
        white-space: normal;
        line-height: 1.4;
        padding: 0 0.75rem;
    }
}