/* =============================================
   KLINIK SEJAHTERA — STYLESHEET
   ============================================= */

/* --- DESIGN TOKENS --- */
:root {
  --primary: #1A9EDB;
  --primary-dark: #137ab0;
  --primary-light: #E8F7FD;
  --accent: #0D2E4D;
  --dark: #0D1B2A;
  --body: #4A5568;
  --light: #F7FAFC;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --gradient: linear-gradient(135deg, #1A9EDB 0%, #0D6EAD 100%);
  --gradient-hero: linear-gradient(135deg, #EBF8FF 0%, #DBEAFE 100%);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(26, 158, 219, 0.12);
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(26, 158, 219, 0.2);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;
}

/* --- RESET & BASE --- */
*, *::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(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-body); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--dark);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { color: var(--body); }

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-light {
  background: linear-gradient(135deg, #93d3f5 0%, #daf0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- SECTION HEADER --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header p { margin-top: 12px; font-size: 1.05rem; }
.section-header h2 { margin-top: 8px; }

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
}
.section-tag--light {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(26, 158, 219, 0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 158, 219, 0.45);
}
.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn--outline:hover {
  background: var(--primary-light);
}
.btn--phone {
  background: transparent;
  color: var(--dark);
  font-weight: 500;
  font-size: 0.9rem;
}
.btn--phone:hover { color: var(--primary); }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; padding: 16px; }

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.08);
  padding: 10px 0;
}
.navbar__inner {
  display: flex;
  align-items: center;
  gap: 24px;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--dark);
}
.navbar__logo strong { color: var(--primary); }
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--gradient);
  color: white;
  border-radius: 10px;
  font-size: 1rem;
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.navbar__links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--dark);
  transition: var(--transition);
}
.navbar__links a:hover { color: var(--primary); background: var(--primary-light); }
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--gradient-hero);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: 80px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  padding-top: 40px;
  padding-bottom: 80px;
}
.hero__content { z-index: 2; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--body);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}
.hero__title { margin-bottom: 16px; }
.hero__subtitle {
  font-size: 1.1rem;
  color: var(--body);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero__trust {
  display: flex;
  align-items: center;
  gap: 12px;
}
.trust-avatars {
  display: flex;
  margin-right: 4px;
}
.trust-avatars img {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--white);
  margin-right: -8px;
  object-fit: cover;
}
.hero__trust p { font-size: 0.85rem; color: var(--body); }
.hero__trust p strong { color: var(--dark); }

/* Hero Image */
.hero__image {
  position: relative;
  display: flex;
  justify-content: center;
  z-index: 2;
}
.hero__doctor-img {
  width: 100%;
  max-width: 460px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}
.hero__image-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  padding: 14px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  z-index: 3;
}
.hero__image-card div { display: flex; flex-direction: column; }
.hero__image-card strong { font-size: 0.85rem; font-family: var(--font-heading); }
.hero__image-card span { font-size: 0.75rem; color: var(--body); }
.card-icon { font-size: 1.4rem; }
.hero__image-card--1 { top: 60px; left: -20px; }
.hero__image-card--2 { bottom: 60px; right: -10px; }

/* Hero BG Blob */
.hero__bg-blob {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26, 158, 219, 0.12), transparent);
  border-radius: 50%;
  top: -100px; right: -100px;
  pointer-events: none;
}

/* =============================================
   STATS
   ============================================= */
.stats {
  background: var(--dark);
  padding: 56px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item { color: var(--white); }
.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
}
.stat-suffix {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
}
.stat-item p {
  margin-top: 6px;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

/* =============================================
   SERVICES
   ============================================= */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 56px; height: 56px;
  background: var(--clr, var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; margin-bottom: 20px; }
.service-card__link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}
.service-card:hover .service-card__link { letter-spacing: 0.02em; }

/* =============================================
   ABOUT
   ============================================= */
.about { background: var(--light); }
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__image-wrap { position: relative; }
.about__image-bg {
  position: absolute;
  inset: -16px;
  background: var(--primary-light);
  border-radius: calc(var(--radius) + 16px);
  z-index: 0;
}
.about__img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius);
  width: 100%;
  height: 480px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.about__exp-badge {
  position: absolute;
  bottom: 24px; right: -24px;
  z-index: 2;
  background: var(--dark);
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about__exp-badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}
.about__exp-badge span { font-size: 0.8rem; color: rgba(255,255,255,0.7); }
.about__content .section-tag { margin-bottom: 12px; display: inline-block; }
.about__content h2 { margin-bottom: 20px; }
.about__content p { margin-bottom: 16px; }
.about__features {
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
}
.check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  min-width: 22px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 2px;
}

/* =============================================
   APPOINTMENT
   ============================================= */
.appointment {
  background: var(--gradient);
  position: relative;
  overflow: hidden;
}
.appointment::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  top: -200px; right: -100px;
}
.appointment__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.appointment__content h2 { color: var(--white); margin: 12px 0 16px; }
.appointment__content > p { color: rgba(255,255,255,0.8); margin-bottom: 36px; }
.appointment__info { display: flex; flex-direction: column; gap: 24px; }
.appt-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 1.3rem;
}
.appt-info-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.appt-info-item strong {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--white);
}
.appt-info-item span { font-size: 0.85rem; color: rgba(255,255,255,0.7); }

/* Form */
.appointment__form {
  background: var(--white);
  border-radius: calc(var(--radius) + 8px);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--dark);
  transition: var(--transition);
  background: var(--white);
  resize: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 158, 219, 0.1);
}
.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: #888;
  margin-top: 12px;
}
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 24px;
  background: #f0fff4;
  border: 1px solid #c6f6d5;
  border-radius: var(--radius);
  margin-top: 16px;
}
.form-success span { font-size: 2rem; }
.form-success strong { color: #22543d; }
.form-success p { color: #2f855a; font-size: 0.9rem; }
.form-success.visible { display: flex; animation: fadeIn 0.4s ease; }

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testi-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.testi-card:hover { box-shadow: var(--shadow-card); transform: translateY(-4px); }
.testi-card--featured {
  background: var(--dark);
  border-color: transparent;
}
.testi-card--featured p, .testi-card--featured .testi-author span { color: rgba(255,255,255,0.7); }
.testi-card--featured strong { color: var(--white); }
.testi-stars { color: #F6AD55; font-size: 1.1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testi-card p { font-size: 0.95rem; font-style: italic; margin-bottom: 24px; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-author img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.testi-author strong { display: block; font-size: 0.9rem; }
.testi-author span { font-size: 0.78rem; color: var(--body); }

/* =============================================
   PANEL INSURANCE
   ============================================= */
.panels { background: var(--light); }
.panels__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 8px;
}
.panel-logo {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--body);
  transition: var(--transition);
  letter-spacing: 0.02em;
}
.panel-logo:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* =============================================
   FAQ
   ============================================= */
.faq__inner { max-width: 760px; margin: 0 auto; }
.faq__list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.faq-item {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26, 158, 219, 0.08); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  gap: 16px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--body);
}
.faq-item.open .faq-answer { max-height: 200px; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--dark);
  padding-top: 80px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 64px;
}
.footer__brand .navbar__logo { margin-bottom: 16px; color: var(--white); }
.footer__brand p { color: rgba(255,255,255,0.5); font-size: 0.88rem; max-width: 280px; }
.footer__social { display: flex; gap: 10px; margin-top: 20px; }
.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer__social a:hover { background: var(--primary); color: var(--white); }
.footer__col h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col ul a {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: var(--transition);
}
.footer__col ul a:hover { color: var(--primary); }
.footer__contact-list li {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer__bottom p { color: rgba(255,255,255,0.4); font-size: 0.8rem; }
.footer__bottom a { color: var(--primary); }

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  z-index: 999;
  opacity: 0;
  transform: translateY(12px);
  transition: var(--transition);
  pointer-events: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* =============================================
   SCROLL REVEAL ANIMATIONS
   ============================================= */
[data-reveal], [data-reveal-right] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-reveal-right] { transform: translateX(40px); }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }
[data-reveal-right].revealed { opacity: 1; transform: translateX(0); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__content { order: 1; }
  .hero__image { order: 2; }
  .hero__subtitle, .hero__trust { justify-content: center; }
  .hero__ctas { justify-content: center; }
  .hero__image-card--1 { left: 0; }
  .hero__image-card--2 { right: 0; }
  .about__inner { grid-template-columns: 1fr; }
  .appointment__inner { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .navbar__links { display: none; }
  .navbar__actions { display: none; }
  .hamburger { display: flex; }
  .navbar__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--white);
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 1001;
    font-size: 1.2rem;
  }
  .navbar__links.open a { font-size: 1.1rem; }
  .hamburger { z-index: 1002; }
  .services__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom .container { flex-direction: column; text-align: center; }
  .about__exp-badge { right: 0; }
  .form-row { grid-template-columns: 1fr; }
  .appointment__form { padding: 28px; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .hero__doctor-img { max-width: 300px; }
  .hero__image-card { display: none; }
}