/* ============================================
   A-ONE DERMATOLOGY - Global Stylesheet
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Primary Colors */
    --primary-dark: #0F2027;
    --primary: #203A43;
    --primary-accent: #2C5364;

    /* Secondary Colors */
    --secondary: #4A8FA8;
    --secondary-light: #A7C7D4;
    --gold: #C9A96E;

    /* Neutral Colors */
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border: #E0E0E0;
    --bg-light: #E8EEF1;
    --bg-page: #F8FAFB;
    --white: #FFFFFF;

    /* Typography */
    --font-en: 'Cormorant Garamond', Georgia, serif;
    --font-kr: 'Pretendard', 'Noto Sans KR', -apple-system, sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    --container-padding: 0 40px;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 100px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.6s ease;
}

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

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

body {
    font-family: var(--font-kr);
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul, ol { list-style: none; }

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

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* --- Utility Classes --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

.section {
    padding: var(--section-padding);
}

.section-label {
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--primary-accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-title-en {
    font-family: var(--font-en);
    font-size: 42px;
    font-weight: 400;
    letter-spacing: 4px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
}

.section-divider {
    width: 40px;
    height: 2px;
    background: var(--primary-accent);
    margin: 20px 0 40px;
}

.text-center { text-align: center; }
.text-center .section-desc { margin: 0 auto; }
.text-center .section-divider { margin: 20px auto 40px; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-accent);
    border: 1.5px solid var(--primary-accent);
}
.btn-outline:hover {
    background: var(--primary-accent);
    color: var(--white);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-accent);
}

.btn-gold {
    background: var(--gold);
    color: var(--white);
}
.btn-gold:hover {
    background: #B89555;
    transform: translateY(-2px);
}

.btn-pill {
    border-radius: var(--radius-full);
}

.btn-lg {
    padding: 18px 48px;
    font-size: 16px;
}

.btn-sm {
    padding: 10px 24px;
    font-size: 13px;
}

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 99999;
    padding: 0 40px;
    transition: var(--transition);
}

.header.transparent {
    background: transparent;
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-family: 'Gowun Batang', serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--white);
    transition: var(--transition);
    white-space: nowrap;
}

.header.scrolled .logo {
    color: var(--primary-accent);
}

.nav-menu {
    display: flex;
    gap: 0;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: 13px;
    font-weight: 400;
    color: rgba(255,255,255,0.8);
    letter-spacing: 0.3px;
    position: relative;
    padding: 28px 14px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.nav-arrow {
    font-size: 9px;
    opacity: 0.6;
    transition: var(--transition);
}

.nav-item:hover .nav-arrow {
    transform: rotate(180deg);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 14px;
    right: 14px;
    width: auto;
    height: 2px;
    background: var(--gold);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.header.scrolled .nav-link {
    color: var(--text-secondary);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--primary-accent);
}

/* --- Dropdown Menu --- */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 180px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 1001;
    border: 1px solid rgba(0,0,0,0.04);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
}

.nav-item:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-link {
    display: block;
    padding: 10px 24px;
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition);
}

.dropdown-link:hover {
    background: var(--bg-page);
    color: var(--primary-accent);
    padding-left: 28px;
}

/* Nav CTA - "예약" highlight */
.nav-link-cta {
    background: var(--gold) !important;
    color: var(--white) !important;
    padding: 8px 20px !important;
    border-radius: var(--radius-full);
    font-weight: 500 !important;
    font-size: 13px !important;
    margin-left: 8px;
}

.nav-link-cta::after {
    display: none !important;
}

.nav-link-cta:hover {
    background: #B89555 !important;
}

.header.scrolled .nav-link-cta {
    background: var(--primary-accent) !important;
    color: var(--white) !important;
}

.header.scrolled .nav-link-cta:hover {
    background: var(--primary) !important;
}

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

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.header.scrolled .menu-toggle span {
    background: var(--text-primary);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-accent));
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,32,39,0.8), rgba(44,83,100,0.6));
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
}

.hero-subtitle {
    font-size: 14px;
    letter-spacing: 6px;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-en);
    font-size: 64px;
    font-weight: 400;
    letter-spacing: 12px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-title-kr {
    font-family: var(--font-kr);
    font-size: 20px;
    font-weight: 300;
    letter-spacing: 4px;
    opacity: 0.8;
    margin-bottom: 48px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 11px;
    letter-spacing: 2px;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- Signature Treatments --- */
.treatments {
    background: var(--white);
}

.treatment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.treatment-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #F0F0F0;
}

.treatment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.treatment-img {
    height: 240px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.treatment-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.treatment-img-placeholder {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--font-en);
    font-size: 24px;
    font-weight: 500;
}

.treatment-body {
    padding: 32px;
}

.treatment-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.treatment-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.treatment-link {
    font-size: 13px;
    color: var(--primary-accent);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.treatment-link:hover {
    gap: 10px;
}

/* --- About Section --- */
.about {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: var(--primary-dark);
    overflow: hidden;
}

.about-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

.about-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 600px;
}

.about-content .section-label {
    color: var(--gold);
}

.about-content .section-title-en {
    color: var(--white);
    font-size: 48px;
    margin-bottom: 24px;
}

.about-content p {
    font-size: 16px;
    line-height: 2;
    opacity: 0.8;
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.about-feature {
    text-align: center;
}

.about-feature-num {
    font-family: var(--font-en);
    font-size: 48px;
    font-weight: 400;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 8px;
}

.about-feature-label {
    font-size: 13px;
    opacity: 0.6;
    letter-spacing: 1px;
}

/* --- Doctor Section --- */
.doctor {
    background: var(--bg-page);
}

/* Top: Photo + Intro side by side */
.doctor-top {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 48px;
}

.doctor-img {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-light);
    aspect-ratio: 4/5;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.doctor-intro h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.doctor-intro .doctor-position {
    font-size: 14px;
    color: var(--primary-accent);
    font-weight: 500;
    margin-bottom: 20px;
}

.doctor-intro .doctor-bio {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Bottom: Career 2-column grid */
.doctor-career-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.doctor-career {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    box-shadow: var(--shadow-sm);
}

.doctor-career h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-accent);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.doctor-career ul li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 5px 0;
    padding-left: 16px;
    position: relative;
}

.doctor-career ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--secondary-light);
}

/* Doctor Quote */
.doctor-quote {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-accent));
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 20px;
    border: none;
    position: relative;
}

.doctor-quote-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.4;
}

.doctor-quote-text {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    font-style: italic;
}

/* --- Before & After --- */
.before-after {
    background: var(--white);
    overflow: hidden;
}

.ba-slider-wrapper {
    margin-top: 48px;
    overflow: visible;
}

.ba-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid #F0F0F0;
}

.ba-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.ba-img {
    height: 200px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.ba-img-label {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0,0,0,0.5);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1px;
}

.ba-info {
    padding: 20px;
    text-align: center;
}

.ba-info h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.ba-info p {
    font-size: 13px;
    color: var(--text-muted);
}

/* --- Reviews --- */
.reviews {
    background: var(--bg-page);
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.review-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.review-card:hover {
    box-shadow: var(--shadow-md);
}

.review-stars {
    color: var(--gold);
    font-size: 14px;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-accent);
}

.review-author-info h5 {
    font-size: 14px;
    font-weight: 600;
}

.review-author-info span {
    font-size: 12px;
    color: var(--text-muted);
}

/* --- Location --- */
.location {
    background: var(--white);
}

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 48px;
}

.location-map {
    height: 400px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
}

.location-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.location-info-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding-top: 16px;
}

.location-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.location-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary-accent);
    font-size: 18px;
}

.location-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.location-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Contact / CTA Section --- */
.contact-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-accent));
    text-align: center;
    color: var(--white);
}

.contact-section .section-label {
    color: var(--gold);
}

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

.contact-section .section-desc {
    color: rgba(255,255,255,0.7);
    margin: 0 auto 40px;
}

/* --- Footer --- */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.6);
    padding: 60px 0 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    font-family: var(--font-en);
    font-size: 22px;
    letter-spacing: 6px;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-contact-item {
    font-size: 14px;
    margin-bottom: 8px;
    display: flex;
    gap: 8px;
}

.footer h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

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

.footer-hours li {
    font-size: 14px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

.footer-hours .day {
    color: rgba(255,255,255,0.4);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.3);
}

/* --- Fixed Bottom Bar --- */
.bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--white);
    box-shadow: 0 -2px 20px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 24px;
    transform: translateY(100%);
    transition: var(--transition);
}

.bottom-bar.visible {
    transform: translateY(0);
}

.bottom-bar .btn {
    flex: 1;
    max-width: 200px;
}

.bottom-bar-phone {
    background: var(--primary-accent);
    color: var(--white);
}

.bottom-bar-kakao {
    background: #FEE500;
    color: #3C1E1E;
}

.bottom-bar-reservation {
    background: var(--gold);
    color: var(--white);
}

/* --- Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
    :root {
        --container-padding: 0 24px;
    }

    .header { padding: 0 24px; }

    .hero-title {
        font-size: 48px;
        letter-spacing: 8px;
    }

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

    .doctor-top {
        grid-template-columns: 300px 1fr;
        gap: 32px;
    }

    .doctor-career-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 20px;
    }

    .header { padding: 0 20px; }
    .header-inner { height: 64px; }

    .logo { font-size: 20px; letter-spacing: 4px; }

    .nav-menu {
        display: none !important;
        position: fixed !important;
        top: 64px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        height: calc(100vh - 64px) !important;
        height: calc(100svh - 64px) !important;
        z-index: 99999 !important;
        background: #FFFFFF !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
        gap: 0 !important;
        overflow-y: auto !important;
        padding: 20px 0 !important;
    }

    .nav-menu.open {
        display: flex !important;
    }

    .nav-menu > .nav-link,
    .nav-menu > .nav-item > .nav-link {
        color: var(--text-primary) !important;
        font-size: 15px;
        padding: 14px 28px;
        font-weight: 500;
        display: flex;
        align-items: center;
    }

    .nav-item {
        position: relative;
    }

    .nav-link::after {
        display: none !important;
    }

    .nav-arrow {
        margin-left: auto;
        font-size: 12px;
        transition: var(--transition);
    }

    .nav-item.open > .nav-link .nav-arrow {
        transform: rotate(180deg);
    }

    /* Mobile dropdown */
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        box-shadow: none !important;
        border: none !important;
        border-radius: 0 !important;
        background: #F0F2F4 !important;
        padding: 0 !important;
        display: none;
        min-width: auto !important;
    }

    .nav-item.open > .dropdown-menu {
        display: block !important;
    }

    .dropdown-link {
        display: block !important;
        padding: 12px 28px 12px 48px !important;
        font-size: 14px !important;
        color: var(--text-secondary) !important;
        border-bottom: 1px solid rgba(0,0,0,0.05) !important;
        background: transparent !important;
    }

    .dropdown-link:hover,
    .dropdown-link:active {
        color: var(--primary-accent) !important;
        background: rgba(0,0,0,0.03) !important;
        padding-left: 52px !important;
    }

    /* 예약 버튼 모바일 */
    .nav-link-cta {
        margin: 10px 28px !important;
        text-align: center;
    }

    .menu-toggle { display: flex; }
    .nav-cta { display: none !important; }

    .hero {
        min-height: 100vh;
        min-height: 100svh;
    }

    .hero-title {
        font-size: 32px;
        letter-spacing: 6px;
    }

    .hero-title-kr {
        font-size: 16px;
        letter-spacing: 2px;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 26px;
    }

    .section-title-en {
        font-size: 30px;
    }

    .doctor-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .doctor-img {
        max-width: 280px;
        margin: 0 auto;
    }

    .doctor-intro {
        text-align: center;
    }

    .doctor-career-grid {
        grid-template-columns: 1fr;
    }

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

    .about-content .section-title-en {
        font-size: 32px;
    }

    .about-features {
        gap: 24px;
    }

    .about-feature-num {
        font-size: 36px;
    }

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

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .bottom-bar {
        gap: 8px;
        padding: 10px 16px;
    }

    .bottom-bar .btn {
        padding: 12px 16px;
        font-size: 13px;
    }
}

/* --- Swiper Customization --- */
.swiper-pagination-bullet {
    background: var(--primary-accent);
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--primary-accent);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}