:root {
    --platinum: #E2E8F0;
    /* Slate 200 */
    --platinum-dark: #94A3B8;
    /* Slate 400 */
    --cobalt: #2563EB;
    /* Blue 600 */
    --cobalt-dark: #1E40AF;
    /* Blue 800 */
    --cobalt-light: #3B82F6;
    /* Blue 500 */
    --white: #ffffff;
    --dark: #0F172A;
    /* Slate 900 */
    --text-main: #334155;
    /* Slate 700 */
    --text-muted: #64748B;
    /* Slate 500 */
    --radius: 12px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: #F8FAFC;
    /* Very Light Slate */
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--dark);
    line-height: 1.25;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

/* Header - Modern White */
header {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
}

.btn-cobalt {
    display: inline-block;
    padding: 14px 35px;
    background: var(--cobalt);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius);
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    border: none;
    cursor: pointer;
}

.btn-cobalt:hover {
    background: var(--cobalt-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-outline {
    display: inline-block;
    padding: 14px 35px;
    background: transparent;
    border: 2px solid var(--cobalt);
    color: var(--cobalt);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius);
    transition: 0.3s;
}

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

/* Hero Section - Clean & Scientific */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    background: white;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
}

.hero-visual {
    flex: 1;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--dark);
}

.hero h1 span {
    color: var(--cobalt);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* Diagram/Visual Placeholder */
.tech-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
    /* Crop content */
    border: 5px solid white;
}

.tech-circle::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px dashed var(--platinum-dark);
    border-radius: 50%;
    animation: spin 30s linear infinite;
    pointer-events: none;
    z-index: 2;
}

.hero-circle-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 80% center;
    /* Focus on the right side where the doctor is */
    border-radius: 50%;
    filter: brightness(1.05);
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* Features Grid - Clean Cards */
.features-section {
    padding: 100px 0;
    background: #F8FAFC;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.clean-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: 0.3s;
    border: 1px solid var(--platinum);
}

.clean-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    border-color: var(--cobalt-light);
}

.icon-box {
    width: 70px;
    height: 70px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--cobalt);
    margin-bottom: 25px;
}

/* Video Section */
.video-section {
    padding: 80px 0;
    background: white;
}

.video-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.video-item {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: 0.3s;
}

.video-item:hover {
    transform: scale(1.02);
}

.video-item iframe {
    width: 100%;
    height: 250px;
}

/* FAQ - Minimalist Accordion */
.faq-section {
    padding: 100px 0;
    background: #F1F5F9;
}

.faq-item {
    background: white;
    margin-bottom: 15px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

.faq-header {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--dark);
    font-size: 1.1rem;
    transition: 0.3s;
}

.faq-header:hover {
    color: var(--cobalt);
    background: #f8fafc;
}

.faq-content {
    display: none;
    padding: 0 25px 25px;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
    border-top: 1px solid var(--platinum);
}

.faq-item.active .faq-content {
    display: block;
}

.faq-item.active .faq-header {
    color: var(--cobalt);
}

.faq-item.active i {
    transform: rotate(180deg);
}

/* Contact Form - Clean Split */
.contact-section {
    background: white;
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: #0F172A;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.2);
}

.contact-info {
    padding: 60px;
    background: var(--cobalt);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-form-wrapper {
    padding: 60px;
    background: white;
}

.modern-input {
    width: 100%;
    padding: 15px 20px;
    margin-bottom: 20px;
    border: 2px solid #E2E8F0;
    border-radius: 8px;
    font-family: var(--font-body);
    transition: 0.3s;
    background: #F8FAFC;
    color: var(--dark);
}

.modern-input:focus {
    outline: none;
    border-color: var(--cobalt);
    background: white;
}

/* Responsive */
@media(max-width: 900px) {
    .hero::after {
        width: 100%;
        height: 50%;
        top: auto;
        bottom: 0;
        clip-path: none;
    }

    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .tech-circle {
        width: 300px;
        height: 300px;
    }

    .video-gallery {
        grid-template-columns: 1fr;
    }

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

    .contact-info {
        padding: 40px;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.8rem;
    }
}

/* Reviews Section - Modern */
.reviews-section {
    padding: 100px 0;
    background: #f8fafc;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    overflow: hidden;
}

.reviews-header {
    text-align: center;
    margin-bottom: 60px;
}

.reviews-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 20px;
}

.google-rating {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    padding: 12px 25px;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
}

.carousel-wrapper {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.reviews-container {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 30px;
    padding-bottom: 40px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.reviews-container::-webkit-scrollbar {
    display: none;
}

.review-card {
    flex: 0 0 400px;
    scroll-snap-align: center;
    background: #ffffff;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    border: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: transform 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.review-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #f8fafc;
}

.review-author h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 5px 0;
}

.review-stars {
    color: #fbbf24;
    font-size: 0.9rem;
}

.review-text {
    color: #475569;
    line-height: 1.7;
    font-size: 1rem;
    font-style: italic;
    opacity: 0.9;
}

.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    color: #1e293b;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: #1e293b;
    color: #fff;
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

@media (max-width: 768px) {
    .review-card {
        flex: 0 0 300px;
        padding: 25px;
    }

    .nav-btn {
        display: none;
    }
}

.reviews-btn-container {
    text-align: center;
    margin-top: 40px;
}

.reviews-btn-container .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 45px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.reviews-btn-container .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px -5px rgba(15, 23, 42, 0.4);
    background: linear-gradient(135deg, #334155 0%, #1e293b 100%);
}