/* ============================================
   Seetha Dental Clinic - Complete Stylesheet
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --medical-blue: #0F4C81;
  --dental-blue: #2D9CDB;
  --mint-green: #00B8A9;
  --white: #FFFFFF;
  --soft-gray: #F8FBFD;
  --dark-gray: #1F2937;
  --text-light: #6B7280;
  --text-body: #374151;
  --border-light: #E5E7EB;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 20px rgba(15,76,129,.1);
  --shadow-lg: 0 10px 40px rgba(15,76,129,.15);
  --shadow-xl: 0 20px 60px rgba(15,76,129,.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --header-height: 70px;
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* --- Container --- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--dark-gray); line-height: 1.25; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 1.5vw, 1.35rem); font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--text-body); }
.highlight { color: var(--dental-blue); }

/* --- Buttons --- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: 50px; font-family: var(--font-heading); font-weight: 600; font-size: .95rem; transition: var(--transition); border: 2px solid transparent; position: relative; overflow: hidden; }
.btn::before { content: ''; position: absolute; inset: 0; border-radius: inherit; transition: var(--transition); }
.btn-primary { background: var(--dental-blue); color: var(--white); border-color: var(--dental-blue); }
.btn-primary:hover { background: var(--medical-blue); border-color: var(--medical-blue); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--medical-blue); transform: translateY(-2px); }
.btn-sm { padding: 10px 22px; font-size: .85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

/* --- Section Shared --- */
.section { padding: 90px 0; position: relative; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 55px; }
.section-tag { display: inline-block; background: rgba(45,156,219,.1); color: var(--dental-blue); padding: 6px 18px; border-radius: 50px; font-size: .85rem; font-weight: 600; font-family: var(--font-heading); margin-bottom: 12px; letter-spacing: .5px; }
.section-header h2 { margin-bottom: 15px; }
.section-header p { color: var(--text-light); font-size: 1.05rem; }

/* ============================================
   HEADER
   ============================================ */
.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255,255,255,.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: var(--transition); height: var(--header-height); }
.header.scrolled { box-shadow: var(--shadow-md); border-bottom-color: var(--border-light); }
.header-container { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; }
.logo i { font-size: 1.8rem; color: var(--dental-blue); }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name { font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--dark-gray); }
.logo-sub { font-size: .7rem; color: var(--text-light); letter-spacing: 2px; text-transform: uppercase; }

/* Navigation */
.nav-list { display: flex; gap: 6px; }
.nav-link { padding: 8px 16px; font-size: .9rem; font-weight: 500; color: var(--text-body); border-radius: var(--radius-sm); transition: var(--transition); position: relative; }
.nav-link:hover, .nav-link.active { color: var(--dental-blue); background: rgba(45,156,219,.08); }

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-btn { padding: 10px 22px; font-size: .85rem; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; width: 28px; padding: 4px; cursor: pointer; }
.hamburger span { display: block; width: 100%; height: 2.5px; border-radius: 2px; background: var(--dark-gray); transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================
   HERO
   ============================================ */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: linear-gradient(135deg, var(--medical-blue) 0%, #0a3a5e 50%, var(--dental-blue) 100%); overflow: hidden; padding: calc(var(--header-height) + 30px) 0 60px; }
.hero-bg { position: absolute; inset: 0; opacity: .05; background-image: radial-gradient(circle at 25% 50%, var(--white) 1px, transparent 1px); background-size: 40px 40px; }
.hero-container { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; position: relative; z-index: 1; }
.hero-content { color: var(--white); }
.hero-badge { display: inline-block; background: rgba(255,255,255,.15); padding: 8px 20px; border-radius: 50px; font-size: .85rem; font-weight: 500; margin-bottom: 20px; backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,.1); }
.hero-content h1 { color: var(--white); margin-bottom: 18px; }
.hero-content p { color: rgba(255,255,255,.8); font-size: 1.05rem; margin-bottom: 30px; max-width: 540px; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 35px; }
.stat-item { text-align: center; }
.stat-number { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: var(--white); }
.stat-plus, .stat-percent { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--mint-green); }
.stat-label { display: block; color: rgba(255,255,255,.7); font-size: .85rem; margin-top: 2px; }

/* Hero Image */
.hero-img-wrapper { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-xl); }
.hero-img-wrapper img { width: 100%; height: auto; object-fit: cover; border-radius: var(--radius-lg); }
.hero-badge-card { position: absolute; bottom: 20px; left: 20px; background: rgba(255,255,255,.95); padding: 12px 20px; border-radius: var(--radius-sm); display: flex; align-items: center; gap: 10px; color: var(--medical-blue); font-weight: 600; font-size: .9rem; box-shadow: var(--shadow-md); }
.hero-badge-card i { font-size: 1.2rem; }

/* Wave Divider */
.wave-divider { position: absolute; bottom: -1px; left: 0; width: 100%; line-height: 0; }
.wave-divider svg { width: 100%; height: 60px; fill: var(--white); }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero { background: linear-gradient(135deg, var(--medical-blue), var(--dental-blue)); padding: calc(var(--header-height) + 50px) 0 50px; text-align: center; position: relative; }
.page-hero h1 { color: var(--white); margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ============================================
   ABOUT
   ============================================ */
.about { background: var(--soft-gray); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-image { position: relative; }
.about-image img { border-radius: var(--radius-lg); width: 100%; height: auto; }
.experience-badge { position: absolute; bottom: -20px; right: -20px; background: var(--dental-blue); color: var(--white); padding: 20px 25px; border-radius: var(--radius-md); text-align: center; box-shadow: var(--shadow-lg); }
.exp-number { display: block; font-family: var(--font-heading); font-size: 2rem; font-weight: 700; line-height: 1; }
.exp-text { font-size: .8rem; opacity: .9; }
.about-content h3 { margin-bottom: 15px; }
.about-content p { color: var(--text-light); margin-bottom: 10px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 25px; }
.about-feature { display: flex; align-items: center; gap: 12px; background: var(--white); padding: 15px; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); transition: var(--transition); }
.about-feature:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.about-feature i { font-size: 1.3rem; color: var(--dental-blue); flex-shrink: 0; }
.about-feature strong { display: block; font-size: .9rem; color: var(--dark-gray); }
.about-feature span { font-size: .8rem; color: var(--text-light); }

/* ============================================
   SERVICES
   ============================================ */
.services { background: var(--white); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.service-card { background: var(--soft-gray); padding: 35px 25px; border-radius: var(--radius-md); transition: var(--transition); text-align: center; border: 1px solid transparent; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(45,156,219,.2); background: var(--white); }
.service-icon { width: 65px; height: 65px; background: linear-gradient(135deg, rgba(45,156,219,.12), rgba(0,184,169,.08)); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.service-icon i { font-size: 1.6rem; color: var(--dental-blue); }
.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: .92rem; color: var(--text-light); margin-bottom: 18px; }
.service-link { font-weight: 600; font-size: .9rem; color: var(--dental-blue); display: inline-flex; align-items: center; gap: 6px; }
.service-link i { transition: var(--transition); font-size: .8rem; }
.service-link:hover { color: var(--medical-blue); }
.service-link:hover i { transform: translateX(4px); }

/* ============================================
   TRUST / QUALITY
   ============================================ */
.trust { background: var(--white); }
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; }
.trust-card { background: var(--soft-gray); padding: 35px; border-radius: var(--radius-md); transition: var(--transition); border-left: 4px solid var(--dental-blue); }
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.trust-card i { font-size: 2rem; color: var(--dental-blue); margin-bottom: 15px; }
.trust-card h3 { margin-bottom: 12px; }
.trust-card p { font-size: .92rem; color: var(--text-light); margin: 0; line-height: 1.8; }

/* ============================================
   TREATMENTS
   ============================================ */
.treatments { background: var(--soft-gray); }
.treatments-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.treatment-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm); }
.treatment-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.treatment-card img { width: 100%; height: 200px; object-fit: cover; transition: var(--transition); }
.treatment-card:hover img { transform: scale(1.05); }
.treatment-info { padding: 18px 20px 22px; }
.treatment-cat { display: inline-block; background: rgba(45,156,219,.1); color: var(--dental-blue); padding: 3px 12px; border-radius: 50px; font-size: .75rem; font-weight: 600; margin-bottom: 10px; }
.treatment-info h3 { font-size: 1.05rem; margin-bottom: 8px; }
.treatment-info p { font-size: .85rem; color: var(--text-light); margin: 0; }

/* ============================================
   GALLERY
   ============================================ */
.gallery { background: var(--white); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gallery-item { border-radius: var(--radius-md); overflow: hidden; position: relative; }
.gallery-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.gallery-compare img { width: 100%; height: 250px; object-fit: cover; transition: var(--transition); }
.gallery-item:hover img { filter: brightness(1.05); }
.gallery-item p { position: absolute; bottom: 15px; left: 15px; background: rgba(15,76,129,.9); color: var(--white); padding: 6px 16px; border-radius: 50px; font-size: .85rem; font-weight: 600; margin: 0; }

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials { background: linear-gradient(135deg, var(--medical-blue), #0a3a5e); position: relative; }
.testimonials .section-header h2 { color: var(--white); }
.testimonials .section-header p { color: rgba(255,255,255,.7); }
.testimonials .section-tag { background: rgba(255,255,255,.15); color: var(--white); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.testimonial-card { background: rgba(255,255,255,.08); backdrop-filter: blur(10px); padding: 30px; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,.1); transition: var(--transition); }
.testimonial-card:hover { background: rgba(255,255,255,.12); transform: translateY(-4px); }
.testimonial-stars { color: #FFD700; margin-bottom: 15px; font-size: .9rem; }
.testimonial-text { color: rgba(255,255,255,.9); font-size: .95rem; font-style: italic; margin-bottom: 20px; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar i { font-size: 2.2rem; color: rgba(255,255,255,.5); }
.testimonial-author strong { display: block; color: var(--white); font-size: .95rem; }
.testimonial-author span { font-size: .8rem; color: rgba(255,255,255,.6); }

/* ============================================
   FAQ
   ============================================ */
.faq { background: var(--white); }
.faq-grid { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border-light); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(45,156,219,.3); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; text-align: left; font-weight: 600; color: var(--dark-gray); font-family: var(--font-heading); font-size: 1rem; transition: var(--transition); background: var(--soft-gray); }
.faq-question i { transition: var(--transition); color: var(--dental-blue); font-size: .85rem; }
.faq-item.active .faq-question { background: rgba(45,156,219,.08); color: var(--dental-blue); }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; padding: 0 22px; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 22px 18px; }
.faq-answer p { font-size: .92rem; color: var(--text-light); margin: 15px 0 0; }

/* ============================================
   APPOINTMENT
   ============================================ */
.appointment { background: var(--soft-gray); }
.appointment-wrapper { display: grid; grid-template-columns: 300px 1fr; gap: 35px; align-items: start; }
.appointment-info { display: grid; gap: 15px; }
.info-card { background: var(--white); padding: 22px; border-radius: var(--radius-sm); text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition); }
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.info-card i { font-size: 1.5rem; color: var(--dental-blue); margin-bottom: 10px; }
.info-card h4 { font-size: .9rem; margin-bottom: 5px; }
.info-card p { font-size: .85rem; color: var(--dental-blue); margin: 0; }
.info-card a { color: var(--dental-blue); }
.info-card a:hover { color: var(--medical-blue); }

/* Form */
.appointment-form { background: var(--white); padding: 40px; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-size: .88rem; font-weight: 600; color: var(--dark-gray); margin-bottom: 6px; }
.required { color: #EF4444; }
.form-group input, .form-group select, .form-group textarea { padding: 12px 15px; border: 1.5px solid var(--border-light); border-radius: var(--radius-sm); font-size: .92rem; color: var(--dark-gray); background: var(--soft-gray); transition: var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--dental-blue); box-shadow: 0 0 0 3px rgba(45,156,219,.15); background: var(--white); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-submit { margin-top: 10px; text-align: center; }
.form-status { margin-top: 15px; padding: 12px; border-radius: var(--radius-sm); text-align: center; font-size: .92rem; display: none; }
.form-status.success { display: block; background: rgba(0,184,169,.1); color: var(--mint-green); border: 1px solid rgba(0,184,169,.3); }
.form-status.error { display: block; background: rgba(239,68,68,.1); color: #EF4444; border: 1px solid rgba(239,68,68,.3); }

/* ============================================
   CONTACT
   ============================================ */
.contact { background: var(--white); }
.contact-wrapper { display: grid; grid-template-columns: 1.5fr 1fr; gap: 35px; }
.contact-map { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.contact-map iframe { display: block; }
.contact-details { display: flex; flex-direction: column; gap: 22px; }
.contact-item { display: flex; align-items: flex-start; gap: 15px; }
.contact-item i { font-size: 1.3rem; color: var(--dental-blue); margin-top: 3px; flex-shrink: 0; }
.contact-item h4 { font-size: .95rem; margin-bottom: 3px; }
.contact-item p, .contact-item a { font-size: .92rem; color: var(--text-light); margin: 0; }
.contact-item a:hover { color: var(--dental-blue); }
.contact-social h4 { margin-bottom: 12px; }
.social-links { display: flex; gap: 10px; }
.social-link { width: 42px; height: 42px; border-radius: 50%; background: var(--soft-gray); display: flex; align-items: center; justify-content: center; color: var(--text-light); transition: var(--transition); }
.social-link:hover { background: var(--dental-blue); color: var(--white); transform: translateY(-3px); }

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter { background: var(--soft-gray); }
.newsletter-wrapper { background: linear-gradient(135deg, var(--medical-blue), var(--dental-blue)); border-radius: var(--radius-lg); padding: 60px 50px; text-align: center; position: relative; overflow: hidden; }
.newsletter-wrapper::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 50%, rgba(255,255,255,.05), transparent 60%); }
.newsletter-content { position: relative; z-index: 1; margin-bottom: 30px; }
.newsletter-content h2 { color: var(--white); margin-bottom: 12px; }
.newsletter-content p { color: rgba(255,255,255,.8); max-width: 550px; margin: 0 auto; }
.newsletter-form { position: relative; z-index: 1; max-width: 500px; margin: 0 auto; }
.newsletter-input-group { display: flex; gap: 10px; }
.newsletter-input-group input { flex: 1; padding: 14px 20px; border: none; border-radius: 50px; font-size: .95rem; background: rgba(255,255,255,.95); color: var(--dark-gray); }
.newsletter-input-group input:focus { outline: none; box-shadow: 0 0 0 3px rgba(255,255,255,.3); }
.newsletter-consent { font-size: .8rem; color: rgba(255,255,255,.6); margin-top: 12px; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--dark-gray); color: rgba(255,255,255,.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; }
.footer-logo i { font-size: 1.8rem; color: var(--dental-blue); }
.footer-logo .logo-name { color: var(--white); }
.footer-logo .logo-sub { color: rgba(255,255,255,.5); }
.footer-col p { font-size: .9rem; color: rgba(255,255,255,.6); margin-bottom: 18px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-social a:hover { background: var(--dental-blue); color: var(--white); }
.footer-col h4 { color: var(--white); margin-bottom: 18px; font-size: 1rem; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: .9rem; color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-col ul a:hover { color: var(--dental-blue); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: rgba(255,255,255,.6); }
.footer-contact li i { color: var(--dental-blue); width: 16px; }
.footer-contact li a { color: rgba(255,255,255,.6); }
.footer-contact li a:hover { color: var(--dental-blue); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: .85rem; color: rgba(255,255,255,.5); margin: 0; }
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: var(--dental-blue); }

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float { position: fixed; bottom: 25px; right: 25px; z-index: 999; width: 58px; height: 58px; background: #25D366; color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; box-shadow: 0 4px 20px rgba(37,211,102,.4); transition: var(--transition); animation: whatsapp-pulse 2s infinite; }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(37,211,102,.5); color: var(--white); }
.whatsapp-tooltip { position: absolute; right: 70px; background: var(--dark-gray); color: var(--white); padding: 8px 14px; border-radius: var(--radius-sm); font-size: .82rem; white-space: nowrap; opacity: 0; pointer-events: none; transition: var(--transition); font-family: var(--font-body); }
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

@keyframes whatsapp-pulse { 0% { box-shadow: 0 4px 20px rgba(37,211,102,.4); } 50% { box-shadow: 0 4px 30px rgba(37,211,102,.6); } 100% { box-shadow: 0 4px 20px rgba(37,211,102,.4); } }

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top { position: fixed; bottom: 100px; right: 25px; z-index: 998; width: 44px; height: 44px; background: var(--dental-blue); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1rem; box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(20px); transition: var(--transition); }
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--medical-blue); transform: translateY(-3px); }

/* ============================================
   ANIMATIONS (AOS Override)
   ============================================ */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet & Small Laptops */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .treatments-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin: 0 auto 30px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image { display: none; }
  .appointment-wrapper { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { max-width: 500px; margin: 0 auto; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --header-height: 62px; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 35px; }

  /* Navigation */
  .nav { position: fixed; top: var(--header-height); left: 0; width: 100%; background: var(--white); box-shadow: var(--shadow-md); padding: 20px; transform: translateY(-120%); opacity: 0; transition: var(--transition); border-bottom: 1px solid var(--border-light); }
  .nav.active { transform: translateY(0); opacity: 1; }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-link { display: block; padding: 12px 16px; font-size: .95rem; }
  .hamburger { display: flex; }
  .header-btn { display: none; }

  /* Hero */
  .hero { min-height: auto; padding: calc(var(--header-height) + 20px) 0 40px; }
  .page-hero { padding: calc(var(--header-height) + 30px) 0 30px; }
  .page-hero h1 { font-size: 1.6rem; }
  .page-hero p { font-size: .95rem; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stat-number { font-size: 1.6rem; }
  .wave-divider svg { height: 30px; }

  /* Grids */
  .services-grid { grid-template-columns: 1fr; }
  .treatments-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }
  .appointment-form { padding: 25px 20px; }
  .about-features { grid-template-columns: 1fr; }
  .newsletter-wrapper { padding: 40px 25px; }
  .newsletter-input-group { flex-direction: column; }
  .experience-badge { position: relative; bottom: auto; right: auto; margin-top: 15px; display: inline-block; }

  /* Contact */
  .contact-item { flex-direction: column; text-align: center; align-items: center; }
  .contact-social { text-align: center; }
  .social-links { justify-content: center; }

  /* WhatsApp */
  .whatsapp-float { width: 50px; height: 50px; font-size: 1.4rem; bottom: 18px; right: 18px; }
  .scroll-top { bottom: 80px; right: 18px; width: 40px; height: 40px; }
  .whatsapp-tooltip { display: none; }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; text-align: center; }
  .hero-badge { font-size: .78rem; }
  .section-tag { font-size: .78rem; }
}