/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

img {
  width: 100%;
  display: block;
}

/* ===== VARIABLES ===== */
:root {
  --primary: #0077b6;
  --secondary: #00b4d8;
  --accent: #e63946;
  --light: #f0f8ff;
  --white: #ffffff;
  --dark: #023e8a;
  --gray: #6c757d;
  --border: #dee2e6;
}

/* ===== UTILITY ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

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

.btn-primary:hover {
  background: var(--dark);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.section-title {
  font-size: 2rem;
  color: var(--dark);
  margin-bottom: 10px;
}

.section-sub {
  color: var(--gray);
  font-size: 1rem;
  margin-bottom: 40px;
}

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

section {
  padding: 70px 0;
}

/* ===== HEADER / NAVBAR ===== */
header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 999;
}

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

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

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
}

.logo-text h2 {
  font-size: 1.2rem;
  color: var(--dark);
  line-height: 1.2;
}

.logo-text span {
  font-size: 0.75rem;
  color: var(--gray);
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: #444;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  font-weight: 600;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  font-size: 24px;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--dark);
}

@media (max-width: 640px) {
  .menu-toggle { display: block; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: white;
    padding: 16px 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    gap: 14px;
    z-index: 998;
  }

  .nav-links.open { display: flex; }
}

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

.nav-phone {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 60%, var(--secondary) 100%);
  color: white;
  padding: 100px 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.8rem;
  line-height: 1.3;
  margin-bottom: 20px;
}

.hero-text p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn-white {
  background: white;
  color: var(--primary);
  font-weight: 700;
}

.btn-white:hover {
  background: var(--light);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat-card {
  background: rgba(255,255,255,0.15);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  backdrop-filter: blur(4px);
}

.stat-card h3 {
  font-size: 2rem;
  font-weight: 700;
}

.stat-card p {
  font-size: 0.85rem;
  opacity: 0.85;
}

.hero-image-box {
  background: rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  font-size: 120px;
  line-height: 1;
}

/* ===== SERVICES ===== */
.services {
  background: var(--light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.service-card {
  background: white;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 3px 15px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0,119,182,0.15);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--dark);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray);
}

/* ===== DOCTORS ===== */
.doctors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.doctor-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 3px 15px rgba(0,0,0,0.07);
  transition: transform 0.3s;
}

.doctor-card:hover {
  transform: translateY(-5px);
}

.doctor-img {
  background: linear-gradient(135deg, var(--light), var(--secondary));
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

.doctor-info {
  padding: 18px;
}

.doctor-info h3 {
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 4px;
}

.doctor-info .specialty {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 6px;
}

.doctor-info .experience {
  font-size: 0.8rem;
  color: var(--gray);
}

/* ===== WHY US ===== */
.why-us {
  background: var(--light);
}

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

.why-image {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 20px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.why-item {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

.why-item-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.why-item h4 {
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 4px;
}

.why-item p {
  font-size: 0.88rem;
  color: var(--gray);
}

/* ===== APPOINTMENT FORM ===== */
.appointment {
  background: var(--dark);
  color: white;
}

.appointment .section-title {
  color: white;
}

.appointment .section-sub {
  color: rgba(255,255,255,0.7);
}

.appt-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.9rem;
  opacity: 0.85;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 15px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  background: rgba(255,255,255,0.1);
  color: white;
}

.form-group input::placeholder {
  color: rgba(255,255,255,0.5);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

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

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.testimonial-card {
  background: white;
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 3px 15px rgba(0,0,0,0.07);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-size: 60px;
  color: var(--secondary);
  position: absolute;
  top: 10px;
  left: 20px;
  line-height: 1;
  opacity: 0.4;
}

.testimonial-text {
  font-size: 0.92rem;
  color: #555;
  margin-bottom: 18px;
  margin-top: 20px;
}

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

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
}

.author-role {
  font-size: 0.78rem;
  color: var(--gray);
}

.stars {
  color: #ffc107;
  font-size: 13px;
  margin-top: 4px;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h3 {
  font-size: 1.4rem;
  color: var(--dark);
  margin-bottom: 20px;
}

.contact-detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.contact-detail-icon {
  font-size: 22px;
  flex-shrink: 0;
}

.contact-detail h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 2px;
}

.contact-detail p {
  font-size: 0.85rem;
  color: var(--gray);
}

.contact-form {
  background: white;
  padding: 35px;
  border-radius: 12px;
  box-shadow: 0 3px 15px rgba(0,0,0,0.07);
}

.contact-form h3 {
  font-size: 1.3rem;
  color: var(--dark);
  margin-bottom: 24px;
}

.contact-form .form-group input,
.contact-form .form-group select,
.contact-form .form-group textarea {
  background: var(--light);
  color: #333;
  border: 1px solid var(--border);
}

.contact-form .form-group {
  margin-bottom: 16px;
}

/* ===== FOOTER ===== */
footer {
  background: #012a4a;
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-links h4 {
  color: white;
  margin-bottom: 16px;
  font-size: 1rem;
}

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

.footer-links ul li a {
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-links ul li a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.84rem;
  opacity: 0.6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-content,
  .why-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 640px) {
  .nav-links { display: none; }

  .hero-text h1 { font-size: 2rem; }

  .services-grid,
  .testimonials-grid,
  .doctors-grid,
  .appt-form {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

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