/* ========================================
   ROOT VARIABLES & GLOBAL STYLES
   ======================================== */
:root {
    --primary-color: #1b5e7f;
    --primary-dark: #0d3d54;
    --primary-light: #2d7fa3;
    --accent-color: #ff6b6b;
    --accent-light: #ffa5a5;
    --dark-bg: #1f2937;
    --light-bg: #f8f9fa;
    --text-dark: #1a202c;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --success-color: #10b981;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-dark);
}

p {
    color: var(--text-muted);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

.brand-tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.btn-primary {
    background: var(--primary-color);
    border: none;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    transition: background 0.3s ease;
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: white;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn-light:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.btn-outline-light {
    background: transparent;
    border: 2px solid white;
    color: white;
}

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

/* ========================================
   INFO CARDS
   ======================================== */
.info-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.info-card-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.info-card-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.info-card-content {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.info-card-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ========================================
   SERVICE CARDS
   ======================================== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-card-image {
    width: 100%;
    height: 220px;
    background: var(--light-bg);
    overflow: hidden;
    position: relative;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.service-card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.service-card-body {
    padding: 2rem;
}

.service-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.7rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ========================================
   FEATURE SECTION (ALTERNATING)
   ======================================== */
.feature-section {
    padding: 60px 0;
    background: white;
}

.feature-section.alternate {
    background: var(--light-bg);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.feature-row.reverse {
    direction: rtl;
}

.feature-row.reverse > * {
    direction: ltr;
}

.feature-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-content p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.feature-list li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* ========================================
   DOCTOR PROFILE
   ======================================== */
.doctor-section {
    background: var(--dark-bg);
    color: white;
    padding: 60px 0;
}

.doctor-profile {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.doctor-image {
    position: relative;
}

.doctor-image-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.doctor-image-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.doctor-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.doctor-title {
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.doctor-description {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.doctor-credentials {
    list-style: none;
    margin-bottom: 2rem;
}

.doctor-credentials li {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.doctor-credentials li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-section {
    padding: 60px 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-map {
    background: var(--light-bg);
    min-height: 500px;
    border-radius: 15px 0 0 15px;
}

.contact-form {
    padding: 3rem;
}

.contact-form h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(27, 94, 127, 0.1);
}

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

.form-char-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

.btn-submit {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-submit:active {
    transform: translateY(0);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    display: block;
}

.form-message.error {
    background: rgba(255, 107, 107, 0.1);
    color: var(--accent-color);
    display: block;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    padding: 60px 0;
    background: white;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-header {
    padding: 1.5rem;
    background: white;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-dark);
    transition: background 0.3s ease;
}

.faq-header:hover {
    background: var(--light-bg);
}

.faq-header.active {
    background: var(--primary-color);
    color: white;
}

.faq-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-header.active .faq-icon {
    transform: rotate(180deg);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--light-bg);
}

.faq-body.active {
    max-height: 500px;
    padding: 1.5rem;
}

.faq-body p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials-section {
    padding: 60px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.stars {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-role {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats-section {
    background: var(--dark-bg);
    color: white;
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: var(--primary-color);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-section p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
}

/* ========================================
   FOOTER
   ======================================== */
footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-logo {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.footer-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
}

.footer-tagline {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

footer h6 {
    color: white;
}

.text-light-footer {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.3s ease;
}

.text-light-footer:hover {
    color: white;
}

footer p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: var(--primary-color);
    border-radius: 50%;
    transition: background 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

/* ========================================
   FLOATING ACTION BUTTONS
   ======================================== */
.floating-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
}

.floating-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.floating-btn.whatsapp {
    background: #25d366;
}

.floating-btn.call {
    background: var(--primary-color);
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .feature-row {
        grid-template-columns: 1fr;
    }

    .feature-row.reverse {
        direction: ltr;
    }

    .doctor-profile {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .doctor-image-circle {
        width: 250px;
        height: 250px;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .contact-map {
        min-height: 300px;
        border-radius: 15px 15px 0 0;
    }

    .contact-form {
        padding: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .floating-actions {
        bottom: 20px;
        right: 20px;
        flex-direction: row;
    }

    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.75rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .feature-content h2 {
        font-size: 1.5rem;
    }

    .brand-name {
        font-size: 1rem;
    }

    .brand-tagline {
        font-size: 0.7rem;
    }
}