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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --transition: 0.25s ease;
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--slate-800);
    background: #ffffff;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    background: var(--teal-700);
    color: #fff;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    z-index: 100;
    font-size: 0.875rem;
    text-decoration: none;
}

.skip-link:focus {
    top: var(--space-md);
}

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

a {
    color: var(--teal-600);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--teal-700);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ─── NAVIGATION ─── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-200);
    transition: box-shadow var(--transition);
}

.nav.scrolled {
    box-shadow: 0 1px 8px rgba(15, 23, 42, 0.06);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--slate-900);
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
}

.nav-logo-icon {
    color: var(--teal-600);
}

.nav-logo-text {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.0625rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--slate-600);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--teal-600);
    transition: width var(--transition);
}

.nav-link:hover {
    color: var(--slate-900);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.125rem;
    background: var(--teal-600);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition);
    letter-spacing: 0.01em;
}

.nav-cta:hover {
    background: var(--teal-700);
    color: #fff;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle-line {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--slate-700);
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── HERO ─── */
.hero {
    padding-top: 120px;
    padding-bottom: var(--space-4xl);
    background: linear-gradient(160deg, var(--teal-50) 0%, #ffffff 50%, var(--slate-50) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.125rem);
    font-weight: 500;
    line-height: 1.2;
    color: var(--slate-900);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: 1.0625rem;
    color: var(--slate-600);
    line-height: 1.75;
    margin-bottom: var(--space-2xl);
    max-width: 480px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8125rem 1.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition);
    letter-spacing: 0.01em;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--teal-600);
    color: #fff;
}

.btn-primary:hover {
    background: var(--teal-700);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

.btn-ghost {
    background: transparent;
    color: var(--slate-700);
    border: 1px solid var(--slate-300);
}

.btn-ghost:hover {
    border-color: var(--teal-600);
    color: var(--teal-700);
}

.btn-full {
    width: 100%;
}

/* ─── HERO CARDS ─── */
.hero-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.hero-card {
    background: #fff;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: all var(--transition);
}

.hero-card:hover {
    border-color: var(--teal-200);
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.08);
    transform: translateY(-2px);
}

.hero-card--teal {
    background: var(--teal-600);
    border-color: var(--teal-600);
}

.hero-card--teal .hero-card-value {
    color: #fff;
}

.hero-card--teal .hero-card-label {
    color: var(--teal-200);
}

.hero-card--teal .hero-card-icon {
    color: var(--teal-200);
}

.hero-card-icon {
    color: var(--teal-600);
    flex-shrink: 0;
    margin-top: 2px;
}

.hero-card-value {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate-900);
    margin-bottom: 2px;
}

.hero-card-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--slate-500);
    line-height: 1.4;
}

/* ─── SECTION COMMON ─── */
.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 500;
    color: var(--slate-900);
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-sub {
    font-size: 1rem;
    color: var(--slate-500);
    line-height: 1.75;
    font-weight: 300;
}

/* ─── SERVICES ─── */
.services {
    background: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.service-card {
    padding: var(--space-xl);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--teal-600);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    border-color: var(--teal-200);
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.07);
    transform: translateY(-2px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card-line {
    width: 24px;
    height: 1px;
    background: var(--teal-200);
    margin-bottom: var(--space-md);
    transition: width var(--transition);
}

.service-card:hover .service-card-line {
    width: 40px;
}

.service-card-icon {
    color: var(--teal-600);
    margin-bottom: var(--space-md);
}

.service-card-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--slate-900);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.service-card-desc {
    font-size: 0.875rem;
    color: var(--slate-500);
    line-height: 1.7;
    font-weight: 300;
}

/* ─── ABOUT ─── */
.about {
    background: var(--slate-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-image-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 5/4;
}

.about-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content .section-eyebrow {
    text-align: left;
    margin-bottom: var(--space-sm);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.about-text {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--slate-200);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--slate-700);
}

.about-feature-icon {
    color: var(--teal-600);
    flex-shrink: 0;
}

/* ─── PATIENTS ─── */
.patients {
    background: #fff;
}

.patients-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.patients-content .section-eyebrow {
    text-align: left;
    margin-bottom: var(--space-sm);
}

.patients-content .section-title {
    text-align: left;
    margin-bottom: var(--space-md);
}

.patients-text {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    font-weight: 300;
}

.patients-steps {
    list-style: none;
    counter-reset: step;
}

.patients-step {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--slate-200);
}

.patients-step:first-child {
    padding-top: 0;
}

.patients-step:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.patients-step-num {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--teal-600);
    line-height: 1;
    flex-shrink: 0;
    width: 32px;
    padding-top: 2px;
}

.patients-step-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate-900);
    margin-bottom: var(--space-xs);
}

.patients-step-desc {
    font-size: 0.875rem;
    color: var(--slate-500);
    line-height: 1.7;
    font-weight: 300;
}

.patients-visual {
    position: relative;
}

.patients-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.patients-visual-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--teal-50);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    color: var(--teal-800);
    line-height: 1.6;
}

.patients-visual-note svg {
    color: var(--teal-600);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ─── CONTACT ─── */
.contact {
    background: var(--slate-900);
    color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact .section-eyebrow {
    color: var(--teal-400);
}

.contact .section-title {
    color: #fff;
}

.contact-text {
    font-size: 0.9375rem;
    color: var(--slate-400);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
    font-weight: 300;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-detail {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-detail-icon {
    color: var(--teal-500);
    flex-shrink: 0;
    margin-top: 3px;
}

.contact-detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--slate-500);
    margin-bottom: 4px;
}

.contact-detail-value {
    display: block;
    font-size: 0.9375rem;
    color: var(--slate-200);
    line-height: 1.6;
}

.contact-detail-value a {
    color: var(--teal-400);
    text-decoration: none;
    transition: color var(--transition);
}

.contact-detail-value a:hover {
    color: var(--teal-300);
}

/* ─── CONTACT FORM ─── */
.contact-form-wrap {
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.contact-form-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: #fff;
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--slate-400);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--slate-900);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-sm);
    color: var(--slate-200);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 300;
    transition: border-color var(--transition);
    line-height: 1.5;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--slate-600);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--teal-600);
}

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

.form-privacy {
    font-size: 0.75rem;
    color: var(--slate-500);
    margin-top: var(--space-md);
    text-align: center;
    line-height: 1.5;
}

.form-success {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid var(--teal-700);
    border-radius: var(--radius-md);
    color: var(--teal-300);
    font-size: 0.875rem;
    margin-top: var(--space-md);
}

.form-success svg {
    color: var(--teal-500);
    flex-shrink: 0;
}

/* ─── FOOTER ─── */
.footer {
    background: var(--slate-900);
    border-top: 1px solid var(--slate-800);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: #fff;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    margin-bottom: var(--space-md);
}

.footer-logo-icon {
    color: var(--teal-500);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--slate-500);
    line-height: 1.7;
    font-weight: 300;
    max-width: 280px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--slate-400);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--teal-400);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--slate-400);
    line-height: 1.7;
}

.footer-phone {
    color: var(--teal-400);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-phone:hover {
    color: var(--teal-300);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--slate-800);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--slate-600);
    line-height: 1.6;
}

.footer-disclaimer {
    max-width: 400px;
    text-align: right;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .hero-grid {
        gap: var(--space-2xl);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-xl);
        gap: var(--space-md);
        border-bottom: 1px solid var(--slate-200);
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition), opacity var(--transition);
    }
    
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-link {
        padding: var(--space-sm) 0;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-cta {
        text-align: center;
        margin-top: var(--space-sm);
    }
    
    .hero {
        padding-top: 96px;
        min-height: auto;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-cards {
        order: -1;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        text-align: center;
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid,
    .patients-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-image-wrap {
        aspect-ratio: 4/3;
    }
    
    .about-content .section-eyebrow,
    .about-content .section-title,
    .patients-content .section-eyebrow,
    .patients-content .section-title {
        text-align: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .footer-disclaimer {
        text-align: left;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-cards {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .contact-form-wrap {
        padding: var(--space-lg);
    }
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .hero-card,
    .contact-form-wrap {
        transition: all var(--transition);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition: none !important;
        animation: none !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}