/* ============================================
   Dittkoff Michael MD — Medical Practice Website
   Color Palette: Charcoal + Coral | Pastel Tones
   ============================================ */

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

:root {
    /* Charcoal Palette */
    --charcoal-950: #1A202C;
    --charcoal-900: #2D3748;
    --charcoal-800: #374151;
    --charcoal-700: #4A5568;
    --charcoal-600: #718096;
    --charcoal-500: #A0AEC0;

    /* Coral Palette */
    --coral-50: #FFF0ED;
    --coral-100: #FFDDD5;
    --coral-200: #FFB8A8;
    --coral-300: #FF8F78;
    --coral-400: #FF7F50;
    --coral-500: #F0603A;
    --coral-600: #E04520;

    /* Pastel Accents */
    --mint-50: #F0FFF4;
    --mint-100: #C6F6D5;
    --blue-50: #EBF8FF;
    --blue-100: #BEE3F8;
    --lavender-50: #FAF5FF;
    --lavender-100: #E9D8FD;
    --peach-50: #FFF5EB;
    --peach-100: #FED7AA;

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F7FAFC;
    --gray-100: #EDF2F7;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E0;
    --gray-400: #A0AEC0;
    --gray-500: #718096;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --gray-800: #1A202C;

    /* Typography */
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --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;

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(45, 55, 72, 0.08), 0 1px 2px rgba(45, 55, 72, 0.06);
    --shadow-md: 0 4px 14px rgba(45, 55, 72, 0.08), 0 2px 6px rgba(45, 55, 72, 0.06);
    --shadow-lg: 0 10px 40px rgba(45, 55, 72, 0.1), 0 4px 14px rgba(45, 55, 72, 0.06);
    --shadow-xl: 0 20px 60px rgba(45, 55, 72, 0.12), 0 8px 20px rgba(45, 55, 72, 0.08);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--charcoal-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    background: var(--charcoal-900);
    color: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 500;
    transition: top var(--transition-fast);
}

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

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    border-bottom-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--charcoal-900);
    transition: color var(--transition-fast);
}

.logo--light {
    color: var(--white);
}

.logo__accent {
    color: var(--coral-400);
    font-weight: 700;
}

.logo__icon {
    flex-shrink: 0;
}

/* Navigation */
.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav__link {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--charcoal-700);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__link:hover {
    color: var(--coral-500);
    background: var(--coral-50);
}

.nav__cta {
    margin-left: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--white);
    background: var(--coral-400);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav__cta:hover {
    background: var(--coral-500);
    transform: translateY(-1px);
}

/* Mobile Nav Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav__hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--charcoal-800);
    position: relative;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__hamburger::before,
.nav__hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--charcoal-800);
    left: 0;
    transition: transform var(--transition-base);
}

.nav__hamburger::before { top: -7px; }
.nav__hamburger::after { top: 7px; }

.nav__toggle[aria-expanded="true"] .nav__hamburger {
    transform: rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__hamburger::before {
    transform: rotate(90deg);
    top: 0;
}

.nav__toggle[aria-expanded="true"] .nav__hamburger::after {
    opacity: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--charcoal-900);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
}

.hero__scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 32, 44, 0.88) 0%,
        rgba(45, 55, 72, 0.80) 40%,
        rgba(74, 85, 104, 0.70) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 1;
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
    max-width: 720px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 127, 80, 0.15);
    border: 1px solid rgba(255, 127, 80, 0.3);
    border-radius: 100px;
    color: var(--coral-200);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--space-2xl);
}

.hero__headline {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: var(--space-xl);
    letter-spacing: -0.01em;
}

.hero__headline em {
    color: var(--coral-300);
    font-style: italic;
}

.hero__subhead {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    line-height: 1.7;
    color: var(--gray-300);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-300);
    font-size: 0.9375rem;
    font-weight: 500;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-500);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    z-index: 1;
}

.hero__scroll svg {
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(6px); }
    60% { transform: translateY(3px); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.8125rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn--primary {
    background: var(--coral-400);
    color: var(--white);
    border-color: var(--coral-400);
}

.btn--primary:hover {
    background: var(--coral-500);
    border-color: var(--coral-500);
    box-shadow: 0 8px 24px rgba(255, 127, 80, 0.35);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline {
    background: transparent;
    color: var(--charcoal-800);
    border-color: var(--charcoal-300);
}

.btn--outline:hover {
    border-color: var(--coral-400);
    color: var(--coral-500);
    box-shadow: var(--shadow-md);
}

.btn--full {
    width: 100%;
}

.btn--lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--coral-500);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.625rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--charcoal-900);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.01em;
}

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

.section-title--dark {
    color: var(--charcoal-900);
}

.section-subtitle {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--charcoal-600);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    border: 1px solid var(--gray-200);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--coral-200);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--charcoal-900);
    margin-bottom: var(--space-sm);
}

.service-card__desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--charcoal-600);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-4xl) 0;
    background: var(--white);
    overflow: hidden;
}

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

.about__image-wrap {
    position: relative;
}

.about__image-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    background: var(--coral-100);
    border-radius: var(--radius-lg);
    z-index: 0;
}

.about__image-wrap img {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about__image-badge {
    position: absolute;
    bottom: -16px;
    right: -16px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--charcoal-800);
}

.about__content {
    padding: var(--space-xl) 0;
}

.about__text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--charcoal-600);
    margin-bottom: var(--space-xl);
}

.about__values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.value-item {
    padding: var(--space-lg);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-100);
}

.value-item__number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--coral-400);
    margin-bottom: var(--space-sm);
}

.value-item__title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--charcoal-900);
    margin-bottom: var(--space-xs);
}

.value-item__desc {
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--charcoal-600);
}

/* ============================================
   PATIENT INFO SECTION
   ============================================ */
.patients {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

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

.info-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    border: 1px solid var(--gray-200);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.info-card--highlight {
    background: var(--charcoal-900);
    border-color: var(--charcoal-800);
}

.info-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.info-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-50);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.info-card--highlight .info-card__icon {
    background: rgba(255, 127, 80, 0.15);
}

.info-card__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--charcoal-900);
}

.info-card--highlight .info-card__title {
    color: var(--white);
}

.info-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.info-card__list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9375rem;
}

.info-card__list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-card__day {
    color: var(--charcoal-700);
    font-weight: 500;
}

.info-card__time {
    color: var(--charcoal-500);
}

.info-card__address {
    font-style: normal;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--charcoal-700);
    margin-bottom: var(--space-sm);
}

.info-card__phone a {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--charcoal-900);
    transition: color var(--transition-fast);
}

.info-card__phone a:hover {
    color: var(--coral-500);
}

.info-card__desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--charcoal-600);
}

.info-card__desc--light {
    color: var(--gray-400);
}

.info-card__note {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: var(--space-md);
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.cta-banner__bg {
    position: absolute;
    inset: 0;
}

.cta-banner__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-banner__scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 32, 44, 0.90) 0%,
        rgba(45, 55, 72, 0.85) 100%
    );
}

.cta-banner__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.cta-banner__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.625rem);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-lg);
    line-height: 1.25;
}

.cta-banner__text {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--gray-300);
    margin-bottom: var(--space-2xl);
}

.cta-banner__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

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

.contact__text {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--charcoal-600);
    margin-bottom: var(--space-2xl);
}

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

.contact-detail {
    display: flex;
    gap: var(--space-lg);
}

.contact-detail__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--coral-50);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--charcoal-900);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-detail p {
    font-size: 0.9375rem;
    color: var(--charcoal-600);
    line-height: 1.6;
}

.contact-detail a {
    color: var(--coral-500);
    transition: color var(--transition-fast);
}

.contact-detail a:hover {
    color: var(--coral-600);
}

/* Contact Form */
.contact__form-wrap {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1px solid var(--gray-100);
}

.contact-form__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--charcoal-900);
    margin-bottom: var(--space-2xl);
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--charcoal-800);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.8125rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--charcoal-900);
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--coral-400);
    box-shadow: 0 0 0 3px rgba(255, 127, 80, 0.15);
}

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

.form-success {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
    background: var(--mint-50);
    border: 1px solid var(--mint-100);
    border-radius: var(--radius-sm);
    color: #276749;
    font-size: 0.9375rem;
    font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--charcoal-950);
    color: var(--gray-400);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--charcoal-800);
}

.footer__tagline {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-500);
    margin-top: var(--space-md);
    max-width: 280px;
}

.footer__links nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.footer__links a:hover {
    color: var(--coral-400);
}

.footer__contact p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
}

.footer__contact a {
    color: var(--coral-400);
    transition: color var(--transition-fast);
}

.footer__contact a:hover {
    color: var(--coral-300);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-top: var(--space-2xl);
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.footer__disclaimer {
    max-width: 500px;
    text-align: right;
    line-height: 1.6;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-hidden {
    opacity: 0;
    transform: translateY(24px);
}

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
.nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26, 32, 44, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav__overlay.active {
    opacity: 1;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about__inner {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .about__image-wrap {
        max-width: 480px;
        margin: 0 auto;
    }

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

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

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

    .container {
        padding: 0 var(--space-lg);
    }

    /* Mobile Navigation */
    .nav__toggle {
        display: flex;
        z-index: 1001;
    }

    .nav__list {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        height: 100dvh;
        flex-direction: column;
        align-items: stretch;
        background: var(--white);
        padding: calc(76px + var(--space-xl)) var(--space-xl) var(--space-xl);
        gap: var(--space-xs);
        box-shadow: var(--shadow-xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 999;
        overflow-y: auto;
    }

    .nav__list.open {
        transform: translateX(0);
    }

    .nav__link {
        padding: var(--space-md) var(--space-lg);
        font-size: 1.0625rem;
        border-radius: var(--radius-sm);
    }

    .nav__cta {
        margin-left: 0;
        margin-top: var(--space-md);
        text-align: center;
        padding: var(--space-md) var(--space-lg);
    }

    .nav__overlay {
        display: block;
        pointer-events: none;
    }

    .nav__overlay.active {
        pointer-events: all;
    }

    /* Hero */
    .hero {
        min-height: 100svh;
    }

    .hero__content {
        padding-top: var(--space-3xl);
        padding-bottom: var(--space-3xl);
    }

    .hero__actions {
        flex-direction: column;
    }

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

    .hero__trust {
        flex-direction: column;
        gap: var(--space-md);
    }

    .hero__scroll {
        display: none;
    }

    /* Services */
    .services__grid {
        grid-template-columns: 1fr;
    }

    /* About */
    .about__values {
        grid-template-columns: 1fr;
    }

    .about__image-badge {
        right: var(--space-md);
        bottom: var(--space-md);
    }

    /* Patients */
    .patients__grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact__inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact__form-wrap {
        padding: var(--space-xl);
    }

    /* CTA Banner */
    .cta-banner__actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-banner__actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Footer */
    .footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .footer__disclaimer {
        text-align: center;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero__badge {
        font-size: 0.75rem;
    }

    .service-card {
        padding: var(--space-xl);
    }

    .info-card {
        padding: var(--space-xl);
    }
}

/* Reduced motion */
@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;
    }

    .animate-on-scroll.is-hidden {
        opacity: 1;
        transform: none;
    }

    .hero__scroll svg {
        animation: none;
    }
}