/* ==========================================================================
   FirstMed Clinic & Lab - Dr. Mohd. Khalid Website Stylesheet
   Design Inspiration: Medical CarePoint Blue/Teal Aesthetic
   Author: Senior Medical Web Architect
   ========================================================================== */

/* --- CSS Variables & Theme Tokens --- */
:root {
  --primary-navy: #0e385d;
  --primary-navy-dark: #09233c;
  --primary-navy-light: #164e7e;
  --teal-accent: #00a896;
  --teal-light: #e6f7f6;
  --cyan-vibrant: #028090;
  --cyan-bright: #00b4d8;
  --sky-soft: #f0f9ff;
  --whatsapp-green: #25d366;
  --whatsapp-green-dark: #128c7e;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --footer-dark: #0b1727;
  --border-light: #e2e8f0;
  --border-focus: #00a896;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(14, 56, 93, 0.08);
  --shadow-lg: 0 10px 25px rgba(14, 56, 93, 0.12);
  --shadow-xl: 0 20px 40px rgba(14, 56, 93, 0.16);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

/* --- Container & Grid --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow {
  max-width: 980px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.15rem; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--teal-light);
  color: var(--cyan-vibrant);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-tag.light {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 48px;
}

.section-title-wrap p {
  color: var(--text-muted);
  max-width: 650px;
  margin: 12px auto 0;
  font-size: 1.05rem;
}

.hindi-subtext {
  font-size: 0.95rem;
  color: var(--cyan-vibrant);
  font-weight: 600;
  margin-top: 4px;
  display: block;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
  text-align: center;
}

.btn-primary {
  background-color: var(--teal-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #008f80;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 168, 150, 0.35);
}

.btn-navy {
  background-color: var(--primary-navy);
  color: #ffffff;
}

.btn-navy:hover {
  background-color: var(--primary-navy-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(14, 56, 93, 0.35);
}

.btn-whatsapp {
  background-color: var(--whatsapp-green);
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.btn-outline {
  border-color: var(--teal-accent);
  color: var(--teal-accent);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--teal-accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-white {
  border-color: #ffffff;
  color: #ffffff;
  background: transparent;
}

.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--primary-navy);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Top Bar & Header Navigation (Image 1 Style)
   ========================================================================== */
.top-bar {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-light);
  padding: 10px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.top-info-list {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-info-item i {
  color: var(--teal-accent);
  font-size: 0.95rem;
}

.top-social-list {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-social-list a {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #f1f5f9;
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: var(--transition);
}

.top-social-list a:hover {
  background-color: var(--teal-accent);
  color: #fff;
}

/* Main Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-navy), var(--teal-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.5rem;
  box-shadow: 0 4px 10px rgba(0, 168, 150, 0.25);
}

.brand-text h2 {
  font-size: 1.3rem;
  color: var(--primary-navy);
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.brand-text span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--teal-accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 6px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--teal-accent);
  border-radius: 2px;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-navy);
  cursor: pointer;
  padding: 5px;
}

/* ==========================================================================
   Hero Section (Image 1 Style with Framed Dr. Khalid Portrait)
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #f0f7fc 0%, #e2f1f8 50%, #d8ecf8 100%);
  padding: 70px 0 85px;
  overflow: hidden;
  border-bottom: 1px solid #dce8ef;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
}

.hero-content {
  padding: 10px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid #cce4f2;
  color: var(--primary-navy);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.hero-badge i {
  color: var(--teal-accent);
}

.hero-title {
  color: var(--primary-navy);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
  line-height: 1.22;
}

.hero-title span {
  color: var(--teal-accent);
}

.hero-lead {
  font-size: 1.08rem;
  color: var(--text-muted);
  margin-bottom: 26px;
  max-width: 580px;
  line-height: 1.7;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.hero-pill-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-navy);
  border: 1px solid #dbeafe;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.hero-pill-item i {
  color: var(--teal-accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
}

.hero-opd-notice {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--teal-accent);
  box-shadow: var(--shadow-sm);
  font-size: 0.88rem;
  color: var(--text-main);
}

.hero-opd-notice strong {
  color: var(--primary-navy);
}

/* Beautiful Hero Doctor Frame (Fixes downward shift & fits perfectly) */
.hero-doctor-frame {
  position: relative;
  background: #ffffff;
  border-radius: 24px;
  padding: 14px;
  box-shadow: 0 20px 45px rgba(14, 56, 93, 0.16);
  border: 4px solid #ffffff;
  max-width: 400px;
  margin: 0 auto;
  text-align: center;
}

.hero-doctor-img-wrap {
  width: 100%;
  height: 380px;
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(180deg, #e6f4fa 0%, #cfe6f5 100%);
  position: relative;
}

.hero-doctor-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.hero-doctor-frame:hover .hero-doctor-img-wrap img {
  transform: scale(1.03);
}

.hero-frame-caption {
  padding: 14px 10px 4px;
}

.hero-frame-caption h4 {
  font-size: 1.25rem;
  color: var(--primary-navy);
  margin-bottom: 2px;
}

.hero-frame-caption p {
  font-size: 0.85rem;
  color: var(--cyan-vibrant);
  font-weight: 600;
  margin-bottom: 8px;
}

.hero-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ecfdf5;
  color: #065f46;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.hero-floating-tag {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--teal-accent);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(0, 168, 150, 0.4);
  letter-spacing: 0.5px;
}

/* ==========================================================================
   4-Card Feature Bar (Clean Transition from Hero)
   ========================================================================== */
.feature-quad-section {
  position: relative;
  z-index: 5;
  margin-top: -45px;
  margin-bottom: 30px;
}

.quad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.quad-card {
  padding: 35px 28px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: var(--transition);
}

.quad-card:hover {
  transform: translateY(-6px);
  z-index: 2;
}

.quad-card.card-1 { background-color: #0f3b60; }
.quad-card.card-2 { background-color: #007799; }
.quad-card.card-3 { background-color: #009688; }
.quad-card.card-4 { background-color: #16a085; }

.quad-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.quad-card h3 {
  color: #ffffff;
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.quad-card p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.55;
  margin-bottom: 16px;
}

.quad-link {
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.quad-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Why Choose Us (Image 1 Circular Node Around Doctor Image)
   ========================================================================== */
.why-choose-section {
  padding: 90px 0;
  background-color: #ffffff;
}

.why-choose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 30px;
  margin-top: 30px;
}

.why-column {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.why-node {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.why-column.left .why-node {
  text-align: right;
  flex-direction: row-reverse;
}

.why-node-icon {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-bright), var(--teal-accent));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 6px 14px rgba(0, 168, 150, 0.25);
}

.why-node-info h4 {
  font-size: 1.1rem;
  color: var(--primary-navy);
  margin-bottom: 6px;
}

.why-node-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.why-center-image {
  text-align: center;
  position: relative;
}

.why-center-image img {
  max-width: 320px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 6px solid #ffffff;
}

.why-center-badge {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-navy);
  color: #ffffff;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Statistics Counter Bar (Image 1 Style Cyan/Blue)
   ========================================================================== */
.stats-counter-section {
  background: linear-gradient(135deg, #028090 0%, #00a896 100%);
  padding: 60px 0;
  color: #ffffff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item {
  padding: 10px;
}

.stat-icon {
  font-size: 2.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

/* ==========================================================================
   Medical Specialties / Treatments Section (Signboard-derived 6 Cards)
   ========================================================================== */
.services-section {
  padding: 90px 0;
  background-color: var(--bg-light);
}

/* ==========================================================================
   Alternating Disease In-Depth Showcases (Har 1 ke baad 1 section mein image)
   ========================================================================== */
.disease-alternating-section {
  padding: 85px 0;
  border-bottom: 1px solid var(--border-light);
}

.disease-alternating-section:nth-child(even) {
  background-color: #ffffff;
}

.disease-alternating-section:nth-child(odd) {
  background-color: var(--bg-light);
}

.disease-alt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 50px;
}

.disease-alt-grid.reverse {
  direction: rtl;
}

.disease-alt-grid.reverse > * {
  direction: ltr;
}

.disease-img-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid #ffffff;
  background: #ffffff;
  transition: transform 0.4s ease;
}

.disease-img-box:hover {
  transform: translateY(-6px);
}

.disease-img-box img {
  width: 100%;
  height: auto;
  display: block;
}

.disease-content-box h3 {
  font-size: 2rem;
  color: var(--primary-navy);
  margin-bottom: 6px;
  line-height: 1.25;
}

.disease-hindi-tag {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cyan-vibrant);
  margin-bottom: 16px;
}

.disease-desc-para {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 22px;
}

.disease-highlights-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.disease-highlights-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
  font-weight: 500;
}

.disease-highlights-list li i {
  color: var(--teal-accent);
  font-size: 1rem;
}

@media (max-width: 900px) {
  .disease-alt-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .disease-alt-grid.reverse {
    direction: ltr;
  }
  .disease-highlights-list {
    grid-template-columns: 1fr;
  }
}


.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal-accent);
}

.service-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--teal-light);
  color: var(--cyan-vibrant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--cyan-vibrant);
  color: #ffffff;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--primary-navy);
}

.service-hindi {
  font-size: 0.85rem;
  color: var(--cyan-vibrant);
  font-weight: 600;
  margin-top: 2px;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-features-list {
  margin-bottom: 24px;
}

.service-features-list li {
  font-size: 0.86rem;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features-list li i {
  color: var(--teal-accent);
  font-size: 0.8rem;
}

.service-card-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.service-btn-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cyan-vibrant);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-btn-link:hover {
  color: var(--primary-navy);
  transform: translateX(3px);
}

/* ==========================================================================
   Clinical Process & Accordion ("How We Work" - Image 1 Style)
   ========================================================================== */
.process-section {
  padding: 90px 0;
  background-color: #ffffff;
}

.process-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

.process-steps-wrap h3 {
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.process-step-item {
  display: flex;
  gap: 20px;
  margin-bottom: 26px;
  position: relative;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--teal-light);
  color: var(--teal-accent);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-details h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.step-details p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Accordion Component */
.accordion-wrapper h3 {
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.accordion-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-header {
  width: 100%;
  background: #f8fafc;
  padding: 16px 20px;
  text-align: left;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--primary-navy);
  transition: var(--transition);
}

.accordion-header i {
  color: var(--teal-accent);
  transition: transform 0.3s ease;
}

.accordion-header.active {
  background: var(--teal-light);
  color: var(--cyan-vibrant);
}

.accordion-header.active i {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  background: #ffffff;
}

.accordion-body-inner {
  padding: 18px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Clinic & Diagnostic Gallery Section (Image 1 Style Grid)
   ========================================================================== */
.gallery-section {
  padding: 90px 0;
  background-color: var(--bg-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #ffffff;
  aspect-ratio: 16 / 10;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14, 56, 93, 0.9) 0%, rgba(14, 56, 93, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  color: #ffffff;
  opacity: 0;
  transition: var(--transition);
}

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

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

.gallery-overlay h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 4px;
}

.gallery-overlay p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   Doctor Profile & Team Section (Image 1 Style)
   ========================================================================== */
.doctor-spotlight-section {
  padding: 90px 0;
  background-color: #ffffff;
}

.doctor-spotlight-card {
  background: linear-gradient(135deg, #f8fbfd 0%, #edf6f9 100%);
  border: 1px solid #d9e9f1;
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.doctor-portrait-box {
  position: relative;
  text-align: center;
}

.doctor-portrait-box img {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 4px solid #ffffff;
}

.doctor-status-badge {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal-accent);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #a7f3d0;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(167, 243, 208, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(167, 243, 208, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(167, 243, 208, 0); }
}

.doctor-details h3 {
  font-size: 2rem;
  color: var(--primary-navy);
  margin-bottom: 4px;
}

.doctor-title-lead {
  font-size: 1.1rem;
  color: var(--cyan-vibrant);
  font-weight: 600;
  margin-bottom: 18px;
}

.doctor-bio-text {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.doctor-cred-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.cred-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.cred-item i {
  color: var(--teal-accent);
  font-size: 1.2rem;
}

.cred-item span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-navy);
}

/* ==========================================================================
   Patient Reviews / Testimonials Section
   ========================================================================== */
.testimonials-section {
  padding: 90px 0;
  background-color: var(--bg-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: #ffffff;
  padding: 32px 26px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
}

.star-rating {
  color: #f59e0b;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 24px;
  flex-grow: 1;
}

.patient-profile {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.patient-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--teal-light);
  color: var(--cyan-vibrant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.patient-info h5 {
  font-size: 0.95rem;
  color: var(--primary-navy);
  margin: 0;
}

.patient-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ==========================================================================
   Special Offer / Promo Consultation Banner (Image 1 Style)
   ========================================================================== */
.special-promo-banner {
  background: linear-gradient(135deg, #e6f7f6 0%, #f0fdfa 100%);
  border-top: 1px solid #c7ece9;
  border-bottom: 1px solid #c7ece9;
  padding: 40px 0;
}

.promo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.promo-text h3 {
  font-size: 1.6rem;
  color: var(--primary-navy);
  margin-bottom: 6px;
}

.promo-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Appointment Booking & Enquiry Forms with WhatsApp Routing
   ========================================================================== */
.booking-section {
  padding: 90px 0;
  background-color: #ffffff;
}

.booking-card-wrapper {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
}

.booking-form-area {
  padding: 48px;
}

.booking-form-area h3 {
  font-size: 1.7rem;
  margin-bottom: 8px;
}

.booking-form-area p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background-color: #ffffff;
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
  font-size: 0.92rem;
}

.form-control:focus {
  border-color: var(--teal-accent);
  box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.booking-info-sidebar {
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-dark) 100%);
  color: #ffffff;
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.booking-info-sidebar h4 {
  color: #ffffff;
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.booking-info-sidebar p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 28px;
}

.schedule-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.schedule-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.88rem;
}

.schedule-row:last-child {
  border-bottom: none;
}

.schedule-time {
  font-weight: 700;
  color: var(--teal-accent);
}

.sidebar-contact-direct {
  margin-top: auto;
}

.direct-call-pill {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(0, 168, 150, 0.2);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 168, 150, 0.4);
}

.direct-call-pill i {
  font-size: 1.5rem;
  color: var(--teal-accent);
}

.direct-call-pill div span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  display: block;
}

.direct-call-pill div a {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

/* ==========================================================================
   Page Banners (For Subpages: About, Services, Appointment, Contact)
   ========================================================================== */
.page-banner {
  background: linear-gradient(135deg, var(--primary-navy) 0%, #0d4674 100%);
  color: #ffffff;
  padding: 70px 0;
  text-align: center;
  position: relative;
}

.page-banner h1 {
  color: #ffffff;
  margin-bottom: 12px;
}

.page-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: #ffffff;
}

.breadcrumb a:hover {
  color: var(--teal-accent);
}

.breadcrumb span {
  color: var(--teal-accent);
}

/* ==========================================================================
   Footer (Image 1 Style Dark 4-Column Layout with Direct Form)
   ========================================================================== */
.site-footer {
  background-color: var(--footer-dark);
  color: #ffffff;
  padding: 80px 0 30px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background-color: var(--teal-accent);
}

.footer-about p {
  color: #94a3b8;
  line-height: 1.65;
  margin-bottom: 20px;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #94a3b8;
  margin-bottom: 14px;
}

.footer-contact-list i {
  color: var(--teal-accent);
  margin-top: 4px;
  font-size: 1rem;
}

.footer-links-list li {
  margin-bottom: 10px;
}

.footer-links-list a {
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.footer-links-list a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-enquiry-form .form-control {
  background-color: #1e293b;
  border-color: #334155;
  color: #ffffff;
  margin-bottom: 12px;
  font-size: 0.85rem;
}

.footer-enquiry-form .form-control::placeholder {
  color: #94a3b8;
}

.footer-enquiry-form .form-control:focus {
  border-color: var(--teal-accent);
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  color: #64748b;
  font-size: 0.82rem;
}

/* ==========================================================================
   Floating WhatsApp Button & Quick Chat Box
   ========================================================================== */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp-green);
  color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
  font-size: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  border: none;
}

.floating-whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp-btn .wa-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--whatsapp-green);
  opacity: 0.75;
  animation: wa-ripple 2s infinite ease-out;
}

@keyframes wa-ripple {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.55); opacity: 0; }
}

.wa-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: #ef4444;
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffffff;
}

.wa-chat-popup {
  position: fixed;
  bottom: 96px;
  right: 26px;
  width: 320px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  overflow: hidden;
  display: none;
  animation: slideUp 0.3s ease forwards;
}

.wa-chat-popup.active {
  display: block;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.wa-popup-header {
  background: var(--whatsapp-green-dark);
  color: #ffffff;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.wa-popup-header img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #ffffff;
}

.wa-popup-header h5 {
  color: #ffffff;
  font-size: 0.95rem;
  margin: 0;
}

.wa-popup-header span {
  font-size: 0.75rem;
  color: #a7f3d0;
  display: block;
}

.wa-popup-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.1rem;
  cursor: pointer;
}

.wa-popup-body {
  padding: 18px;
  background: #f0f2f5;
  background-image: radial-gradient(#d1d7db 1px, transparent 1px);
  background-size: 16px 16px;
}

.wa-chat-bubble {
  background: #ffffff;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border-top-left-radius: 0;
  font-size: 0.85rem;
  color: var(--text-main);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  line-height: 1.45;
}

.wa-popup-footer {
  padding: 14px;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

/* ==========================================================================
   Toast Notification / Modal for WhatsApp submission
   ========================================================================== */
.custom-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--primary-navy);
  color: #ffffff;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2000;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-size: 0.92rem;
}

.custom-toast.active {
  transform: translateX(-50%) translateY(0);
}

.custom-toast i {
  color: var(--whatsapp-green);
  font-size: 1.2rem;
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Navigation
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }
  .hero-content {
    padding-bottom: 20px;
  }
  .hero-lead, .hero-pills, .hero-actions {
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-trust-card {
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
  }
  .quad-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-choose-grid {
    grid-template-columns: 1fr;
  }
  .why-column.left .why-node {
    text-align: left;
    flex-direction: row;
  }
  .why-center-image {
    order: -1;
    margin-bottom: 20px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-layout-grid {
    grid-template-columns: 1fr;
  }
  .doctor-spotlight-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 30px;
  }
  .doctor-portrait-box {
    margin: 0 auto;
  }
  .doctor-cred-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .booking-card-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .main-nav {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 280px;
    height: calc(100vh - 75px);
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 24px;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease;
    z-index: 1000;
  }
  .main-nav.active {
    left: 0;
  }
  .mobile-toggle-btn {
    display: block;
  }
  .header-cta-group .btn-outline {
    display: none;
  }
  .quad-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .booking-form-area {
    padding: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .promo-inner {
    text-align: center;
    justify-content: center;
  }
}
/* Clinic identity and linked treatment pages */
.clinic-brand-mark{width:62px;height:44px;object-fit:contain;flex-shrink:0;background:white;border-radius:8px;padding:3px}
.consultation-image-link{display:block;width:100%;height:100%}
.consultation-image-link img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2}
.treatment-directory{padding-top:60px;padding-bottom:60px}
.treatment-tabs{display:flex;gap:12px;flex-wrap:wrap;padding-top:28px;padding-bottom:28px}
.treatment-tab{display:inline-flex;align-items:center;gap:15px;padding:14px 20px;border:1px solid var(--border-light);border-radius:12px;background:var(--bg-light);color:var(--primary-navy);font-weight:600}
.treatment-tab:hover,.treatment-tab.selected{background:var(--primary-navy);color:white}
.visit-clinic{background:var(--bg-light);padding:64px 0}
.clinic-visit-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.clinic-visit-grid>img{width:100%;border-radius:20px}
.clinic-visit-grid p{margin:18px 0;line-height:1.7}
.treatment-note{padding-top:48px;padding-bottom:64px;max-width:900px}
.treatment-note p{margin:18px 0;color:var(--text-muted);line-height:1.7}
.treatment-note details{padding:20px 0;border-bottom:1px solid var(--border-light)}
.treatment-note summary{cursor:pointer;font-weight:600;color:var(--primary-navy)}
.image-disclosure{font-size:12px;color:var(--text-muted);margin-top:8px}
:focus-visible{outline:3px solid var(--teal-accent);outline-offset:4px}
@media(max-width:900px){.services-section [id][style*="360px"],.treatment-detail,.clinic-visit-grid{grid-template-columns:1fr!important}.services-section [id][style*="360px"]{padding:24px!important}}
@media(max-width:768px){.brand-text h2{font-size:1rem}.brand-text span{font-size:.65rem}.clinic-brand-mark{width:44px}.header-cta-group>.btn{display:none}.main-nav{top:75px}.hero-title{font-size:2.2rem}.hero-doctor-frame{max-width:100%}.booking-benefits .container>div[style*="grid"],.patient-checklist .container>div[style*="grid"],.location-guide .container>div[style*="grid"],section .container>div[style*="grid-template-columns: 1fr 1fr"]{grid-template-columns:1fr!important}.treatment-tab{font-size:.85rem;padding:12px}.clinic-visit-grid{gap:24px}.page-banner h1{font-size:2rem}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.treatment-detail-link{display:block;margin-top:20px;color:var(--primary-navy);font-weight:700;text-decoration:underline;text-underline-offset:5px}
.treatment-detail .consultation-image-link{pointer-events:none}
@media(max-width:768px){.treatment-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.treatment-tab{justify-content:center;min-height:64px;text-align:center}.treatment-detail{padding:20px!important}.treatment-detail>div>div[style*="grid"]{grid-template-columns:1fr!important}}
@media(max-width:768px){[style*="display: grid"]{grid-template-columns:minmax(0,1fr)!important}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-item{min-width:0}.stat-number{font-size:2.2rem}.stat-label{font-size:.88rem;overflow-wrap:anywhere}.container{max-width:100%}iframe{max-width:100%}}
@media(min-width:901px){.treatment-detail{grid-template-columns:1fr 1fr!important;gap:44px!important}.treatment-detail .consultation-image-link img{min-height:340px;object-fit:cover}}
/* Supplied personal doctor identity */
.clinic-brand-mark{width:76px;height:76px;padding:0;border-radius:50%;background:transparent;object-fit:contain}
.brand-text h2{font-size:1.35rem}
.brand-text span{letter-spacing:.8px}
.gallery-card{margin:0;aspect-ratio:auto;display:flex;flex-direction:column}
.gallery-card img{height:270px;object-fit:cover;display:block}
.gallery-card.actual-room img{object-position:35% 65%}
.gallery-card.actual-bed img{object-position:70% 65%}
.gallery-card.doctor-portrait img{object-position:center 25%}
.gallery-overlay{position:static;inset:auto;opacity:1;background:#fff;padding:20px;color:var(--text-main);min-height:95px}
.gallery-overlay h4{color:var(--primary-navy);font-size:1.05rem}
.gallery-overlay p{color:var(--text-muted);margin:8px 0 0;font-size:.82rem}
.gallery-card:hover img{transform:none}
@media(max-width:1100px) and (min-width:769px){.main-nav{gap:14px}.brand-text h2{font-size:1.12rem}.clinic-brand-mark{width:64px;height:64px}.header-cta-group>.btn{display:none}}
@media(max-width:768px){.clinic-brand-mark{width:58px;height:58px}.brand-text h2{font-size:1.12rem}.brand-text span{font-size:.62rem}.gallery-card img{height:280px}.gallery-overlay{min-height:90px}.main-nav{top:90px}}
.gallery-card.actual-bed img,.gallery-card.actual-bed:hover img{transform:scale(1.25);transform-origin:right bottom}
.gallery-card.doctor-portrait img{object-position:center 12%}
#clinic-gallery{scroll-margin-top:115px}
@media(max-width:768px){.main-nav{height:calc(100vh - 90px)}}