/* =============================================
   SHINE DENTAL HOSPITAL - Premium Stylesheet
   Color Palette: Medical Blue, Emerald Green,
   White, Soft Gray, Premium Gold
   Fonts: Poppins (headings), Inter (body)
   ============================================= */

:root {
    --blue-primary: #0066CC;
    --blue-dark: #004C99;
    --blue-light: #E8F4FD;
    --blue-gradient: linear-gradient(135deg, #0066CC 0%, #0099FF 100%);

    --green-primary: #00A86B;
    --green-dark: #008B5A;
    --green-light: #E6F7F0;
    --green-gradient: linear-gradient(135deg, #00A86B 0%, #00CC82 100%);

    --gold-primary: #C9A84C;
    --gold-dark: #B08D2E;
    --gold-light: #FFF8E7;
    --gold-gradient: linear-gradient(135deg, #C9A84C 0%, #E8C86A 100%);

    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-muted: #718096;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-blue: 0 10px 30px rgba(0, 102, 204, 0.3);
    --shadow-green: 0 10px 30px rgba(0, 168, 107, 0.3);
    --shadow-gold: 0 10px 30px rgba(201, 168, 76, 0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    --container-max: 1280px;
    --section-padding: 100px 0;

    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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

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

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

input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

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

.text-gradient {
    background: var(--blue-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-xl);
}

/* =============================================
   PRELOADER
   ============================================= */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader .tooth-icon {
    font-size: 3rem;
    color: var(--blue-primary);
    margin-bottom: 20px;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto 16px;
}

.loader-progress {
    height: 100%;
    width: 0;
    background: var(--blue-gradient);
    border-radius: var(--radius-full);
    animation: loadProgress 1.5s ease-in-out forwards;
}

.loader p {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

@keyframes loadProgress {
    0% { width: 0; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--blue-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition-spring);
}

.logo:hover .logo-icon {
    transform: rotate(-10deg) scale(1.05);
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    line-height: 1.1;
}

.logo-tagline {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--blue-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--blue-primary);
    background: var(--blue-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-call {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-primary);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: var(--blue-light);
    transition: var(--transition-base);
}

.nav-call:hover {
    background: var(--blue-primary);
    color: var(--white);
}

.nav-call i {
    font-size: 0.8rem;
}

.call-text {
    white-space: nowrap;
}

.nav-appointment {
    white-space: nowrap;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.hamburger span {
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

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

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

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

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transition: width 0.6s ease, height 0.6s ease, top 0.6s ease, left 0.6s ease;
    transform: translate(-50%, -50%);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-sm { padding: 8px 20px; font-size: 0.8125rem; }
.btn-md { padding: 12px 28px; font-size: 0.875rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-primary {
    background: var(--blue-gradient);
    color: var(--white);
    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 102, 204, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--blue-primary);
    border-color: var(--blue-primary);
}

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

.btn-white {
    background: var(--white);
    color: var(--blue-primary);
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}

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

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 102, 204, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 168, 107, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(201, 168, 76, 0.04) 0%, transparent 50%),
        linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    padding: 40px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--gold-light);
    color: var(--gold-dark);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(201, 168, 76, 0.2);
}

.hero-badge i {
    color: var(--gold-primary);
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-title .text-gradient {
    display: block;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 24px 32px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.hero-stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--blue-primary);
    display: inline;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green-primary);
    display: inline;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.hero-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(0, 102, 204, 0.08), transparent, rgba(0, 168, 107, 0.08), transparent);
    animation: rotateGlow 10s linear infinite;
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.doctor-card {
    position: relative;
    z-index: 1;
    text-align: center;
}

.doctor-avatar {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.avatar-ring {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    padding: 4px;
    background: var(--blue-gradient);
    animation: avatarPulse 3s ease-in-out infinite;
}

@keyframes avatarPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.3); }
    50% { box-shadow: 0 0 0 15px rgba(0, 102, 204, 0); }
}

.avatar-inner img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: var(--green-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.875rem;
    border: 3px solid var(--white);
}

.doctor-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.doctor-title {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.doctor-exp {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: var(--green-light);
    color: var(--green-dark);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.doctor-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 24px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: var(--gray-100);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.tag i {
    color: var(--blue-primary);
    font-size: 0.7rem;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--gray-300);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 2px;
    animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.3; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* =============================================
   SECTION HEADERS
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--blue-light);
    color: var(--blue-primary);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-badge i {
    font-size: 0.875rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about {
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-story h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-story p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-story strong {
    color: var(--blue-primary);
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.highlight-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--blue-light);
    color: var(--blue-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.highlight-text h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.highlight-text p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.5;
}

.about-visual {
    position: relative;
}

.about-card {
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-placeholder {
    height: 200px;
    background: var(--blue-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}

.about-card-info {
    padding: 32px;
    text-align: center;
}

.about-card-info h3 {
    font-size: 1.375rem;
    margin-bottom: 4px;
}

.about-card-title {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 20px;
}

.about-card-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
}

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

.about-stat-num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--blue-primary);
    display: block;
}

.about-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.about-floating-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.about-floating-card i {
    font-size: 1.5rem;
    color: var(--green-primary);
}

.about-floating-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.about-floating-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* =============================================
   TREATMENTS SECTION
   ============================================= */
.treatments {
    background: var(--white);
}

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

.treatment-card {
    padding: 36px 28px;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.treatment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--blue-gradient);
    transform: scaleX(0);
    transition: var(--transition-base);
}

.treatment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.treatment-card.featured {
    border-color: var(--blue-primary);
    box-shadow: var(--shadow-blue);
}

.treatment-card.featured::before {
    transform: scaleX(1);
}

.treatment-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--gold-gradient);
    color: var(--white);
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.treatment-icon {
    width: 64px;
    height: 64px;
    background: var(--blue-light);
    color: var(--blue-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 20px;
    transition: var(--transition-base);
}

.treatment-card:hover .treatment-icon {
    background: var(--blue-gradient);
    color: var(--white);
    transform: scale(1.05);
}

.treatment-card h3 {
    font-size: 1.1875rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.treatment-card > p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.treatment-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.treatment-features span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: var(--green-light);
    color: var(--green-dark);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.treatment-features span i {
    font-size: 0.625rem;
    color: var(--green-primary);
}

.treatment-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-primary);
    transition: var(--transition-base);
}

.treatment-link:hover {
    gap: 10px;
    color: var(--blue-dark);
}

.treatment-link i {
    font-size: 0.75rem;
    transition: var(--transition-base);
}

/* =============================================
   TECHNOLOGY SECTION
   ============================================= */
.technology {
    background: var(--gray-50);
}

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

.tech-card {
    padding: 36px 28px;
    background: var(--white);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--transition-base);
}

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

.tech-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-icon-bg {
    position: absolute;
    inset: 0;
    background: var(--blue-light);
    border-radius: var(--radius-xl);
    transform: rotate(45deg);
    transition: var(--transition-base);
}

.tech-card:hover .tech-icon-bg {
    background: var(--blue-gradient);
}

.tech-icon-wrapper i {
    position: relative;
    z-index: 1;
    font-size: 2rem;
    color: var(--blue-primary);
    transition: var(--transition-base);
}

.tech-card:hover .tech-icon-wrapper i {
    color: var(--white);
}

.tech-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.tech-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* =============================================
   STATS SECTION
   ============================================= */
.stats-section {
    padding: 80px 0;
}

.stats-bg {
    background: var(--blue-gradient);
    border-radius: var(--radius-2xl);
    padding: 60px 40px;
    position: relative;
    overflow: hidden;
}

.stats-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.stats-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    color: var(--white);
}

.stat-card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    opacity: 0.9;
}

.stat-card-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    display: inline;
    line-height: 1;
}

.stat-card-plus {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    display: inline;
    opacity: 0.8;
}

.stat-card-label {
    font-size: 1rem;
    opacity: 0.85;
    margin-top: 8px;
    font-weight: 500;
}

/* =============================================
   GALLERY SECTION
   ============================================= */
.gallery {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.gallery-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.gallery-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gallery-card:hover .gallery-placeholder {
    transform: none;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 50, 120, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 16px;
    opacity: 0;
    transition: var(--transition-base);
}

.gallery-card:hover .gallery-overlay {
    opacity: 1;
}

.gallery-label {
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.gallery-info {
    padding: 20px;
}

.gallery-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.gallery-info p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* =============================================
   TESTIMONIALS SECTION
   ============================================= */
.testimonials {
    background: var(--gray-50);
}

.testimonials-slider {
    max-width: 100%;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card {
    min-width: calc(33.333% - 16px);
    padding: 36px;
    flex-shrink: 0;
    transition: var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-stars i {
    color: var(--gold-primary);
    font-size: 1rem;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-style: italic;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--blue-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.125rem;
}

.author-info h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.author-info span {
    font-size: 0.8125rem;
    color: var(--blue-primary);
    font-weight: 500;
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.testimonial-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--white);
    color: var(--blue-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    font-size: 0.875rem;
}

.testimonial-btn:hover {
    background: var(--blue-primary);
    color: var(--white);
    transform: scale(1.1);
}

.testimonial-dots {
    display: flex;
    gap: 8px;
}

.testimonial-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: var(--transition-base);
}

.testimonial-dots .dot.active {
    background: var(--blue-primary);
    width: 32px;
    border-radius: var(--radius-full);
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq {
    background: var(--white);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item.active {
    border-color: var(--blue-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-base);
}

.faq-question:hover {
    color: var(--blue-primary);
}

.faq-question i {
    font-size: 0.75rem;
    color: var(--blue-primary);
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-left: 16px;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.9375rem;
}

/* =============================================
   EMERGENCY SECTION
   ============================================= */
.emergency {
    padding: 40px 0;
}

.emergency-card {
    background: linear-gradient(135deg, #DC2626 0%, #EF4444 50%, #DC2626 100%);
    border-radius: var(--radius-2xl);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}

.emergency-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 50%;
}

.emergency-content {
    display: flex;
    align-items: center;
    gap: 32px;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.emergency-icon {
    position: relative;
    width: 80px;
    height: 80px;
    min-width: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.emergency-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: emergencyPulse 1.5s ease-in-out infinite;
}

@keyframes emergencyPulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}

.emergency-text {
    flex: 1;
}

.emergency-text h2 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.emergency-text p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
}

.emergency-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* =============================================
   APPOINTMENT SECTION
   ============================================= */
.appointment {
    background: var(--gray-50);
}

.appointment-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

.appt-info-card {
    padding: 36px;
    box-shadow: var(--shadow-lg);
}

.appt-info-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--blue-primary);
}

.appt-info-card h3 i {
    font-size: 1.125rem;
}

.appt-benefits {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}

.appt-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.appt-benefits li i {
    color: var(--green-primary);
    font-size: 1rem;
}

.appt-contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.appt-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.appt-contact-item > i {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--blue-light);
    color: var(--blue-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.appt-contact-item div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.appt-contact-item span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.appt-contact-item a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--blue-primary);
}

.appt-contact-item a:hover {
    text-decoration: underline;
}

.appointment-form-wrapper {
    position: relative;
}

.appointment-form {
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.appointment-form h3 {
    font-size: 1.375rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper > i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.875rem;
    pointer-events: none;
    z-index: 1;
}

.textarea-wrapper > i {
    top: 16px;
    transform: none;
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea {
    width: 100%;
    padding: 14px 16px 14px 44px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--text-primary);
    transition: var(--transition-base);
    outline: none;
}

.input-wrapper input:focus,
.input-wrapper select:focus,
.input-wrapper textarea:focus {
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

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

.input-wrapper textarea {
    resize: vertical;
    min-height: 80px;
}

.input-wrapper select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.btn-submit {
    margin-top: 8px;
    font-size: 1rem;
    padding: 16px 32px;
}

.form-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 16px;
}

.form-note i {
    margin-right: 4px;
    color: var(--green-primary);
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    padding: 28px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    background: var(--blue-gradient);
    color: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.contact-card h4 {
    font-size: 1.0625rem;
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.contact-card a {
    color: var(--blue-primary);
    font-weight: 600;
    display: block;
    font-size: 0.9375rem;
}

.contact-card a:hover {
    text-decoration: underline;
}

.contact-card-link {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 0.875rem !important;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.emergency-hours {
    color: #DC2626;
    font-weight: 600;
}

.map-wrapper {
    padding: 8px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.map-wrapper iframe {
    display: block;
    border-radius: var(--radius-lg);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--gray-900);
    color: var(--white);
}

.footer-top {
    padding: 80px 0 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo .logo-icon {
    background: rgba(255, 255, 255, 0.1);
}

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

.footer-logo .logo-tagline {
    color: var(--blue-light);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--blue-primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.0625rem;
    margin-bottom: 20px;
    color: var(--white);
    position: relative;
    padding-bottom: 12px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--blue-primary);
    border-radius: var(--radius-full);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
}

.footer-contact-item i {
    color: var(--blue-primary);
    font-size: 1rem;
    margin-top: 4px;
    min-width: 16px;
}

.footer-contact-item a {
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom .fas.fa-heart {
    color: #DC2626;
}

/* =============================================
   FLOATING ACTION BUTTONS
   ============================================= */
.fab-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.fab {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-spring);
    position: relative;
    cursor: pointer;
    border: none;
}

.fab:hover {
    transform: scale(1.1);
}

.fab::before {
    content: attr(data-tooltip);
    position: absolute;
    right: 64px;
    top: 50%;
    transform: translateY(-50%);
    padding: 6px 14px;
    background: var(--gray-800);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
}

.fab:hover::before {
    opacity: 1;
}

.fab-call {
    background: var(--green-gradient);
}

.fab-whatsapp {
    background: #25D366;
    position: relative;
}

.fab-whatsapp i.fa-whatsapp,
.fab-whatsapp .whatsapp-svg {
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab-whatsapp .whatsapp-svg {
    width: 28px;
    height: 28px;
}

.social-link.whatsapp-link {
    position: relative;
}

.social-link.whatsapp-link i.fa-whatsapp {
    color: #25D366;
}

.social-link.whatsapp-link:hover {
    background: #25D366;
    color: var(--white);
}

.fab-appointment {
    background: var(--blue-gradient);
}

.fab-top {
    background: var(--gray-700);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.fab-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* =============================================
   MODAL
   ============================================= */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    padding: 24px;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    padding: 48px;
    text-align: center;
    max-width: 420px;
    width: 100%;
    transform: scale(0.9);
    transition: var(--transition-spring);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 4rem;
    color: var(--green-primary);
    margin-bottom: 20px;
    animation: modalPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalPop {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

.modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

/* =============================================
   ANIMATIONS
   ============================================= */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* =============================================
   RESPONSIVE - TABLET
   ============================================= */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-scroll {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

    .testimonial-card {
        min-width: calc(50% - 12px);
    }

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

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

/* =============================================
   RESPONSIVE - MOBILE
   ============================================= */
@media (max-width: 768px) {
    :root {
        --section-padding: 64px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 100px 32px 32px;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        transition: var(--transition-base);
        align-items: flex-start;
        gap: 4px;
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .nav-call {
        display: none;
    }

    .nav-appointment {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stats-bg {
        padding: 40px 24px;
    }

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

    .testimonial-card {
        min-width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .emergency-actions {
        justify-content: center;
    }

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

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

    .fab-container {
        bottom: 16px;
        right: 16px;
    }

    .fab {
        width: 48px;
        height: 48px;
        font-size: 1.125rem;
    }

    .appointment-form {
        padding: 24px;
    }

    .appt-info-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

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

    .stat-card-number {
        font-size: 2.5rem;
    }

    .hero-card {
        padding: 24px;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* =============================================
   MOBILE NAV OVERLAY
   ============================================= */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

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

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 3px solid var(--blue-primary);
    outline-offset: 2px;
}

/* =============================================
   SCROLLBAR
   ============================================= */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* =============================================
   SELECTION
   ============================================= */
::selection {
    background: rgba(0, 102, 204, 0.15);
    color: var(--blue-dark);
}