/* ========================================
   CSS Custom Properties
======================================== */
:root {
    --color-midnight: #0F172A;
    --color-midnight-light: #1E293B;
    --color-midnight-dark: #020617;
    --color-mint: #34D399;
    --color-mint-light: #6EE7B7;
    --color-mint-dark: #059669;
    --color-mint-pale: #D1FAE5;
    --color-cream: #F8FAFC;
    --color-white: #FFFFFF;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 40px rgba(15, 23, 42, 0.15);
    --shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.2);

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

address {
    font-style: normal;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-midnight);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 560px;
    line-height: 1.7;
}

.italic-accent {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--color-mint-dark);
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-mint-dark);
    border-color: var(--color-mint-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--color-midnight);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.0625rem;
    border-radius: var(--radius-md);
}

/* ========================================
   Navbar
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-midnight);
    letter-spacing: -0.02em;
}

.logo .dot {
    color: var(--color-mint);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-mint);
    transition: width var(--transition-base);
}

.nav-links a:not(.btn):hover {
    color: var(--color-midnight);
}

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

.nav-links .btn {
    padding: 0.625rem 1.5rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-midnight);
    transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    padding: var(--space-lg);
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s ease;
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-menu-inner a {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.mobile-btn {
    margin-top: var(--space-sm);
    text-align: center;
    border-bottom: none;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Hero Section
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background-color: var(--color-cream);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
}

.hero-content {
    max-width: 580px;
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    background-color: var(--color-mint-pale);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.75rem, 5.5vw, 4.5rem);
    line-height: 1.05;
    margin-bottom: var(--space-lg);
    color: var(--color-midnight);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1875rem;
    color: var(--color-gray-600);
    line-height: 1.75;
    margin-bottom: var(--space-xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-midnight);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--color-gray-200);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-accent-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background-color: var(--color-midnight);
    color: var(--color-white);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
}

.hero-accent-card svg {
    color: var(--color-mint);
}

.hero-accent-card span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Decorative elements */
.hero::before {
    content: '';
    position: absolute;
    top: 15%;
    right: 5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ========================================
   About Section
======================================== */
.about {
    padding: var(--space-4xl) 0;
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image-col {
    position: relative;
}

.about-image-col img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image-col::before {
    content: '';
    position: absolute;
    top: -16px;
    left: -16px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-mint);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content-col {
    padding: var(--space-lg) 0;
}

.about-content-col .lead-text {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    line-height: 1.75;
    margin-bottom: var(--space-md);
    font-family: var(--font-serif);
    font-style: italic;
}

.about-content-col p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
    line-height: 1.75;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.feature-item svg {
    color: var(--color-mint-dark);
    flex-shrink: 0;
}

/* ========================================
   Services Section
======================================== */
.services {
    padding: var(--space-4xl) 0;
    background-color: var(--color-midnight);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.services .section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
    z-index: 1;
}

.services .section-eyebrow {
    color: var(--color-mint);
}

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

.services .section-title .italic-accent {
    color: var(--color-mint);
}

.services .section-desc {
    color: var(--color-gray-400);
    margin: 0 auto;
}

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

.service-card {
    background-color: var(--color-midnight-light);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-mint);
    box-shadow: 0 0 40px rgba(52, 211, 153, 0.1);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(52, 211, 153, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    color: var(--color-mint);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* ========================================
   Patient Info Section
======================================== */
.patient-info {
    padding: var(--space-4xl) 0;
    background-color: var(--color-cream);
}

.patient-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.patient-info-content {
    padding: var(--space-lg) 0;
}

.patient-info-content .section-desc {
    margin-bottom: var(--space-xl);
}

/* Accordion */
.info-accordion {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.accordion-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--color-midnight);
    text-align: left;
    transition: color var(--transition-fast);
}

.accordion-header:hover {
    color: var(--color-mint-dark);
}

.accordion-icon {
    color: var(--color-mint-dark);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(45deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.accordion-header[aria-expanded="true"] + .accordion-body {
    max-height: 200px;
    padding-bottom: var(--space-md);
}

.accordion-body p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.75;
}

.patient-info-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.patient-info-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   CTA Section
======================================== */
.cta {
    padding: var(--space-4xl) 0;
    background-color: var(--color-white);
}

.cta .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: stretch;
}

.cta-content {
    background-color: var(--color-midnight);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cta-content .section-eyebrow {
    color: var(--color-mint);
}

.cta-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-title .italic-accent {
    color: var(--color-mint);
}

.cta-text {
    font-size: 1.0625rem;
    color: var(--color-gray-400);
    line-height: 1.75;
    margin-bottom: var(--space-xl);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.cta-content .btn-primary {
    background-color: var(--color-mint);
    color: var(--color-midnight);
    border-color: var(--color-mint);
}

.cta-content .btn-primary:hover {
    background-color: var(--color-mint-light);
    border-color: var(--color-mint-light);
}

.cta-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 400px;
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Footer
======================================== */
.footer {
    background-color: var(--color-midnight-dark);
    padding: var(--space-3xl) 0 var(--space-lg);
}

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

.footer-brand .logo {
    color: var(--color-white);
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    max-width: 280px;
    line-height: 1.6;
}

.footer-contact h4,
.footer-links h4 {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray-400);
    margin-bottom: var(--space-md);
}

.footer-contact address p {
    font-size: 0.9375rem;
    color: var(--color-gray-300);
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--color-mint);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-mint-light);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.footer-bottom .disclaimer {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    max-width: 600px;
}

/* ========================================
   Scroll Reveal
======================================== */
[data-reveal] {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal="hidden"] {
    opacity: 0;
    transform: translateY(24px);
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1024px) {
    .hero-grid {
        gap: var(--space-xl);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 5rem;
        --space-3xl: 4rem;
        --space-2xl: 3rem;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: calc(72px + var(--space-xl));
        padding-bottom: var(--space-2xl);
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        padding-top: var(--space-xl);
    }

    .hero-content {
        order: 1;
        max-width: 100%;
    }

    .hero-visual {
        order: 2;
        max-width: 400px;
        margin: 0 auto;
    }

    .hero-title {
        font-size: clamp(2.25rem, 8vw, 3.5rem);
    }

    .hero-accent-card {
        bottom: -12px;
        left: -8px;
        padding: 1rem 1.25rem;
    }

    .about-grid,
    .patient-info-grid,
    .cta .container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-image-col {
        order: -1;
    }

    .about-image-col::before {
        top: -10px;
        left: -10px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

    .patient-info-visual {
        order: -1;
    }

    .cta-content {
        padding: var(--space-xl);
    }

    .cta-map {
        min-height: 280px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .stat-divider {
        display: none;
    }
}

/* ========================================
   Reduced Motion
======================================== */
@media (prefers-reduced-motion: no-preference) {
    [data-reveal] {
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
}

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

    html {
        scroll-behavior: auto;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}