/* ============================================
   Dr. SreeRam – Medical Portfolio Theme
   Colors : Navy Blue #0a1628 | Medical Blue #1a73e8 | Teal #26A69A | White #fff
   Fonts  : Playfair Display / Inter
   ============================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --clr-primary: #1a73e8;
  --clr-primary-dark: #0d47a1;
  --clr-primary-light: #e8f0fe;
  --clr-teal: #26A69A;
  --clr-teal-light: #e0f7f4;
  --clr-navy: #0a1628;
  --clr-navy-2: #0f1f3a;
  --clr-navy-3: #1a2d50;
  --clr-dark: #1a1a2e;
  --clr-body: #2d3436;
  --clr-text: #5a5a7a;
  --clr-light: #f8fafb;
  --clr-light-2: #f0f4f8;
  --clr-white: #ffffff;
  --clr-gold: #f5b042;
  --clr-success: #25D366;
  --clr-danger: #e74c3c;

  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 8px 30px rgba(10, 22, 40, 0.1);
  --shadow-lg: 0 20px 60px rgba(10, 22, 40, 0.12);
  --shadow-glow: 0 0 40px rgba(26, 115, 232, 0.15);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 50%;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 1200px;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--clr-body);
  background: var(--clr-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

::selection { background: var(--clr-primary); color: var(--clr-white); }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--clr-light); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary-dark); }

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

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn i { font-size: 1.05em; }

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(26, 115, 232, 0.35);
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
  box-shadow: 0 8px 25px rgba(26, 115, 232, 0.45);
  transform: translateY(-2px);
  color: var(--clr-white);
}

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

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

.btn-success {
  background: var(--clr-success);
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}
.btn-success:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  color: var(--clr-white);
}

.btn-sm { padding: 10px 22px; font-size: 0.85rem; }
.btn-lg { padding: 18px 42px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- SECTION COMMON ---------- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--clr-navy);
  line-height: 1.25;
  max-width: 700px;
  margin: 0 auto 16px;
}

.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--clr-primary);
}
.divider::before, .divider::after {
  content: '';
  width: 50px;
  height: 2px;
  background: var(--clr-primary);
  opacity: 0.3;
}
.divider i { font-size: 0.7rem; }

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .section-header h2 { font-size: 2rem; }
}

/* ---------- PRELOADER ---------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--clr-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}
#preloader.hidden { opacity: 0; visibility: hidden; }

.loader {
  text-align: center;
  color: var(--clr-white);
}
.loader .heartbeat {
  width: 60px;
  height: 60px;
  background: var(--clr-primary);
  border-radius: var(--radius-full);
  margin: 0 auto 20px;
  animation: pulse 1.2s ease-in-out infinite;
  position: relative;
}
.loader .heartbeat::before {
  content: '\f004';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-size: 24px;
  color: var(--clr-white);
}
.loader span {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 2px;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.8; }
}

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: transparent;
  transition: var(--transition);
  height: var(--header-height);
}
.header.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.08);
}
.header.scrolled .logo,
.header.scrolled .nav-link,
.header.scrolled .call-btn { color: var(--clr-navy); }
.header.scrolled .call-btn { border-color: var(--clr-primary); color: var(--clr-primary); }

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--clr-white);
  font-weight: 700;
  font-size: 1.25rem;
}
.logo i { font-size: 1.5rem; color: var(--clr-primary); }
.logo small {
  font-size: 0.65rem;
  font-weight: 400;
  opacity: 0.8;
  display: block;
  margin-top: -2px;
}
.header.scrolled .logo { color: var(--clr-navy); }

.nav-list {
  display: flex;
  gap: 8px;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 50px;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--clr-white);
  background: rgba(255,255,255,0.1);
}
.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  background: var(--clr-primary-light);
  color: var(--clr-primary);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: var(--transition);
}
.header.scrolled .hamburger span { background: var(--clr-navy); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

@media (max-width: 1024px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--clr-white);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-link { color: var(--clr-navy); font-size: 1rem; padding: 12px 20px; }
  .nav-link:hover { background: var(--clr-primary-light); color: var(--clr-primary); }
  .header.scrolled .nav-link { color: var(--clr-navy); }
}

@media (max-width: 576px) {
  .call-btn { display: none; }
  .nav-actions { gap: 8px; }
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--clr-navy);
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.7) 50%, rgba(26,115,232,0.2) 100%);
  z-index: 1;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1551076805-e1869033e561?w=1920&q=80') center/cover no-repeat;
  opacity: 0.15;
  z-index: 0;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.hero-particles .medical-icon {
  position: absolute;
  font-size: 1.4rem;
  color: rgba(26, 115, 232, 0.12);
  animation: float-particle 12s ease-in-out infinite;
}
.hero-particles .medical-icon:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; font-size: 2rem; }
.hero-particles .medical-icon:nth-child(2) { top: 20%; right: 15%; animation-delay: 2s; }
.hero-particles .medical-icon:nth-child(3) { top: 60%; left: 10%; animation-delay: 4s; font-size: 1.8rem; }
.hero-particles .medical-icon:nth-child(4) { bottom: 20%; right: 8%; animation-delay: 1s; }
.hero-particles .medical-icon:nth-child(5) { top: 45%; left: 50%; animation-delay: 3s; font-size: 2.2rem; }
.hero-particles .medical-icon:nth-child(6) { bottom: 10%; left: 30%; animation-delay: 5s; }
.hero-particles .medical-icon:nth-child(7) { top: 75%; right: 40%; animation-delay: 2.5s; font-size: 1.6rem; }
.hero-particles .medical-icon:nth-child(8) { top: 5%; right: 60%; animation-delay: 4.5s; }

@keyframes float-particle {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.12; }
  50% { transform: translateY(-30px) rotate(45deg); opacity: 0.25; }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  color: var(--clr-teal);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero-badge i { font-size: 1rem; }

.hero-text h1 {
  font-family: var(--font-heading);
  font-size: 4.2rem;
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 8px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--clr-teal);
  font-weight: 400;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}
.hero-stat {
  text-align: center;
}
.hero-stat .stat-num,
.hero-stat .stat-suffix {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-white);
}
.hero-stat .stat-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
  font-weight: 400;
}

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

.hero-img-wrapper {
  position: relative;
  width: 420px;
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}
.hero-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-img-ring {
  position: absolute;
  inset: -10px;
  border: 2px solid rgba(26, 115, 232, 0.3);
  border-radius: calc(var(--radius-lg) + 10px);
  animation: spin-slow 20s linear infinite;
  pointer-events: none;
}
@keyframes spin-slow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-img-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--clr-white);
}
.hero-img-badge i { font-size: 1.8rem; color: var(--clr-teal); }
.hero-img-badge span { font-size: 0.85rem; font-weight: 500; line-height: 1.4; }

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll a {
  color: rgba(255,255,255,0.5);
  font-size: 1.3rem;
}

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

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin: 0 auto 32px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image { display: none; }
  .hero-text h1 { font-size: 3.2rem; }
}

@media (max-width: 576px) {
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-text h1 { font-size: 2.5rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat .stat-num { font-size: 1.6rem; }
  .hero-scroll { display: none; }
}

/* ---------- STATS BAR ---------- */
.stats-bar {
  background: linear-gradient(135deg, var(--clr-navy-2), var(--clr-navy));
  padding: 50px 0;
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.stats-item {
  text-align: center;
  color: var(--clr-white);
  padding: 20px 12px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.stats-item:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}
.stats-item i {
  font-size: 2rem;
  color: var(--clr-primary);
  margin-bottom: 12px;
}
.stats-item div {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}
.stats-item p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  font-weight: 400;
}

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 576px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stats-item { padding: 16px 10px; }
  .stats-item i { font-size: 1.5rem; }
  .stats-item div { font-size: 1.5rem; }
}

/* ---------- ABOUT ---------- */
.about { background: var(--clr-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: var(--transition-slow);
}
.about-img-wrapper:hover img { transform: scale(1.03); }

.about-exp-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--clr-primary);
  color: var(--clr-white);
  padding: 16px 22px;
  border-radius: var(--radius-md);
  text-align: center;
  line-height: 1.3;
  box-shadow: 0 8px 30px rgba(26, 115, 232, 0.4);
}
.about-exp-badge .exp-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  display: block;
}
.about-exp-badge span:last-child { font-size: 0.8rem; opacity: 0.9; }

.about-content h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--clr-navy);
  margin-bottom: 20px;
}
.about-content p {
  color: var(--clr-text);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}
.about-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--clr-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.about-detail:hover { background: var(--clr-primary-light); }
.about-detail i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary);
  color: var(--clr-white);
  border-radius: var(--radius-full);
  font-size: 1rem;
  flex-shrink: 0;
}
.about-detail strong {
  display: block;
  font-size: 0.85rem;
  color: var(--clr-navy);
  font-weight: 600;
}
.about-detail span {
  font-size: 0.82rem;
  color: var(--clr-text);
}

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-wrapper img { height: 400px; }
}
@media (max-width: 576px) {
  .about-details { grid-template-columns: 1fr; }
  .about-content h3 { font-size: 1.6rem; }
  .about-exp-badge { bottom: 16px; right: 16px; padding: 12px 16px; }
  .about-exp-badge .exp-num { font-size: 1.5rem; }
}

/* ---------- QUALIFICATIONS ---------- */
.qualifications {
  background: var(--clr-light);
}

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

.qual-card {
  background: var(--clr-white);
  padding: 36px 28px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.qual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.qual-card:hover::before { transform: scaleX(1); }
.qual-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.qual-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 18px;
  background: var(--clr-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--clr-primary);
}
.qual-year {
  font-size: 0.8rem;
  color: var(--clr-teal);
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.qual-card h4 {
  font-size: 1.15rem;
  color: var(--clr-navy);
  margin-bottom: 10px;
  font-weight: 700;
}
.qual-card p { font-size: 0.88rem; color: var(--clr-text); line-height: 1.7; }

@media (max-width: 1024px) {
  .qual-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .qual-grid { grid-template-columns: 1fr; }
}

/* ---------- EXPERTISE ---------- */
.expertise { background: var(--clr-white); }

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

.expertise-card {
  background: var(--clr-light);
  padding: 32px 28px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.expertise-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-teal));
  opacity: 0;
  transition: var(--transition);
}
.expertise-card:hover::after { opacity: 1; }
.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.expertise-icon {
  width: 60px;
  height: 60px;
  background: var(--clr-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--clr-primary);
  margin-bottom: 18px;
  transition: var(--transition);
}
.expertise-card:hover .expertise-icon {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.expertise-card h4 {
  font-size: 1.1rem;
  color: var(--clr-navy);
  margin-bottom: 10px;
  font-weight: 700;
}
.expertise-card p {
  font-size: 0.88rem;
  color: var(--clr-text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.expertise-level {
  display: flex;
  align-items: center;
  gap: 10px;
}
.expertise-level .level-bar {
  flex: 1;
  height: 6px;
  background: var(--clr-primary);
  border-radius: 3px;
  position: relative;
}
.expertise-level .level-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--clr-light-2);
  border-radius: 3px;
  z-index: 0;
  width: 100%;
}
.expertise-level .level-bar {
  position: relative;
  z-index: 1;
}
.expertise-level span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary);
  min-width: 36px;
  text-align: right;
}

@media (max-width: 1024px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .expertise-grid { grid-template-columns: 1fr; }
}

/* ---------- EXPERIENCE TIMELINE ---------- */
.experience { background: var(--clr-light); }

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--clr-primary), var(--clr-teal), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: 0 40px 50px;
  width: 50%;
}
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; text-align: left; }

.timeline-dot {
  position: absolute;
  width: 18px;
  height: 18px;
  background: var(--clr-primary);
  border: 4px solid var(--clr-white);
  border-radius: var(--radius-full);
  top: 6px;
  box-shadow: 0 0 0 3px var(--clr-primary-light);
  z-index: 2;
}
.timeline-item:nth-child(odd) .timeline-dot { right: -9px; }
.timeline-item:nth-child(even) .timeline-dot { left: -9px; }

.timeline-date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-teal);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.timeline-content {
  background: var(--clr-white);
  padding: 24px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.timeline-content:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.timeline-content h4 {
  font-size: 1.1rem;
  color: var(--clr-navy);
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline-content h5 {
  font-size: 0.9rem;
  color: var(--clr-primary);
  font-weight: 500;
  margin-bottom: 10px;
}
.timeline-content p {
  font-size: 0.88rem;
  color: var(--clr-text);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .timeline::before { left: 20px; }
  .timeline-item { width: 100%; padding-left: 50px; padding-right: 0; }
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) { left: 0; text-align: left; }
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot { left: 11px; }
}

/* ---------- SERVICES ---------- */
.services { background: var(--clr-white); }

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

.service-card {
  background: var(--clr-light);
  padding: 36px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition);
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-teal));
  opacity: 0;
  z-index: -1;
  transition: var(--transition);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card:hover * { color: var(--clr-white) !important; }
.service-card:hover .service-icon { background: rgba(255,255,255,0.2); color: var(--clr-white); }

.service-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--clr-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--clr-primary);
  transition: var(--transition);
  position: relative;
}

.service-card h4 {
  font-size: 1.05rem;
  color: var(--clr-navy);
  margin-bottom: 10px;
  font-weight: 700;
}
.service-card p {
  font-size: 0.85rem;
  color: var(--clr-text);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ---------- ACHIEVEMENTS ---------- */
.achievements {
  background: linear-gradient(135deg, var(--clr-navy), var(--clr-navy-2));
  color: var(--clr-white);
}
.achievements .section-tag { background: rgba(255,255,255,0.1); color: var(--clr-teal); }
.achievements .section-header h2 { color: var(--clr-white); }
.achievements .divider::before, .achievements .divider::after { background: var(--clr-teal); }
.achievements .divider i { color: var(--clr-teal); }

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

.achievement-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.achievement-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-6px);
}

.achievement-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.achievement-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.achievement-card p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .achievements-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .achievements-grid { grid-template-columns: 1fr; }
  .achievement-num { font-size: 2.2rem; }
}

/* ---------- PHILOSOPHY ---------- */
.philosophy { background: var(--clr-white); }

.philosophy-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: center;
}

.philosophy-text blockquote {
  background: var(--clr-primary-light);
  padding: 36px 36px 36px 48px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--clr-primary);
  margin-bottom: 32px;
  position: relative;
}
.philosophy-text blockquote .fa-quote-left {
  font-size: 1.5rem;
  color: var(--clr-primary);
  opacity: 0.3;
  position: absolute;
  top: 16px;
  left: 16px;
}
.philosophy-text blockquote p {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--clr-navy);
  line-height: 1.8;
  font-weight: 400;
}
.philosophy-text blockquote cite {
  display: block;
  margin-top: 16px;
  font-style: normal;
  font-weight: 600;
  color: var(--clr-primary);
  font-size: 0.95rem;
}

.philosophy-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.value-item {
  padding: 20px;
  background: var(--clr-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.value-item:hover { background: var(--clr-primary-light); }
.value-item i {
  font-size: 1.3rem;
  color: var(--clr-primary);
  margin-bottom: 10px;
}
.value-item h5 {
  font-size: 0.95rem;
  color: var(--clr-navy);
  font-weight: 600;
  margin-bottom: 6px;
}
.value-item p {
  font-size: 0.82rem;
  color: var(--clr-text);
  line-height: 1.6;
}

.philosophy-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.philosophy-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}
.philosophy-img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(10,22,40,0.8));
  color: var(--clr-white);
  display: flex;
  align-items: center;
  gap: 12px;
}
.philosophy-img-overlay i { font-size: 1.8rem; color: var(--clr-teal); }
.philosophy-img-overlay span { font-size: 0.9rem; font-weight: 500; font-style: italic; }

@media (max-width: 1024px) {
  .philosophy-grid { grid-template-columns: 1fr; gap: 40px; }
  .philosophy-image img { height: 350px; }
}
@media (max-width: 576px) {
  .philosophy-values { grid-template-columns: 1fr; }
  .philosophy-text blockquote { padding: 28px 20px 20px 28px; }
}

/* ---------- TESTIMONIALS ---------- */
.testimonials {
  background: linear-gradient(135deg, var(--clr-light), var(--clr-light-2));
}

.testimonial-swiper {
  padding: 20px 10px 60px;
  max-width: 750px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--clr-white);
  padding: 36px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
  height: auto;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: var(--clr-gold);
  margin-bottom: 16px;
  font-size: 0.95rem;
  letter-spacing: 2px;
}
.testimonial-card > p {
  font-size: 0.95rem;
  color: var(--clr-text);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  object-fit: cover;
}
.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  color: var(--clr-navy);
}
.testimonial-author span {
  font-size: 0.8rem;
  color: var(--clr-text);
}

.swiper-pagination-bullet-active { background: var(--clr-primary) !important; }
.swiper-button-next, .swiper-button-prev {
  color: var(--clr-primary) !important;
  width: 44px !important; height: 44px !important;
  background: var(--clr-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}
.swiper-button-next::after, .swiper-button-prev::after { font-size: 1rem !important; font-weight: 700; }

@media (max-width: 576px) {
  .testimonial-card { padding: 24px 20px; }
  .swiper-button-next, .swiper-button-prev { display: none !important; }
}

/* ---------- RESEARCH ---------- */
.research { background: var(--clr-white); }

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

.research-card {
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--clr-light);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.research-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.research-type {
  display: inline-block;
  padding: 4px 14px;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.research-card h4 {
  font-size: 1rem;
  color: var(--clr-navy);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.5;
}
.research-authors {
  font-size: 0.85rem;
  color: var(--clr-primary);
  font-weight: 500;
  margin-bottom: 4px;
}
.research-journal {
  font-size: 0.82rem;
  color: var(--clr-text);
  font-style: italic;
  margin-bottom: 14px;
}
.research-link {
  font-size: 0.85rem;
  color: var(--clr-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.research-link:hover { gap: 10px; }

@media (max-width: 576px) {
  .research-grid { grid-template-columns: 1fr; }
}

/* ---------- GALLERY ---------- */
.gallery { background: var(--clr-light); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  grid-auto-flow: dense;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}
.gallery-item--wide { grid-column: span 2; }

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}
.gallery-item:hover img { transform: scale(1.08); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,22,40,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-overlay div {
  text-align: center;
  color: var(--clr-white);
  transform: translateY(10px);
  transition: var(--transition);
}
.gallery-item:hover .gallery-overlay div { transform: translateY(0); }
.gallery-overlay i { font-size: 2rem; margin-bottom: 8px; }
.gallery-overlay p { font-size: 0.95rem; font-weight: 500; }

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--wide { grid-column: span 2; }
}
@media (max-width: 576px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item--wide { grid-column: span 1; }
}

/* ---------- AWARDS ---------- */
.awards { background: var(--clr-white); }

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

.award-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-md);
  background: var(--clr-light);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.award-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: var(--clr-white);
}

.award-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--clr-gold), #ffd700);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(245, 176, 66, 0.3);
}

.award-year {
  font-size: 0.8rem;
  color: var(--clr-primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.award-card h4 {
  font-size: 1rem;
  color: var(--clr-navy);
  font-weight: 700;
  margin-bottom: 10px;
}
.award-card p {
  font-size: 0.85rem;
  color: var(--clr-text);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .awards-grid { grid-template-columns: 1fr; }
}

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

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

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--clr-navy);
  margin-bottom: 12px;
}
.contact-info > p {
  color: var(--clr-text);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.contact-details { display: flex; flex-direction: column; gap: 18px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--clr-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--clr-primary);
}
.contact-item strong {
  display: block;
  font-size: 0.9rem;
  color: var(--clr-navy);
  margin-bottom: 2px;
}
.contact-item span, .contact-item a {
  font-size: 0.88rem;
  color: var(--clr-text);
  line-height: 1.5;
}
.contact-item a:hover { color: var(--clr-primary); }

.contact-social {
  display: flex;
  gap: 10px;
  margin-top: 32px;
}
.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: var(--radius-full);
  font-size: 1.1rem;
  transition: var(--transition);
}
.social-link:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-3px);
}
.whatsapp-link { background: #e8f5e9; color: var(--clr-success); }
.whatsapp-link:hover { background: var(--clr-success); color: var(--clr-white); }

/* ---------- CONTACT FORM ---------- */
.contact-form-wrapper {
  background: var(--clr-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-navy);
  margin-bottom: 6px;
}
.form-group label i { margin-right: 6px; color: var(--clr-primary); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #e8ecf0;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--clr-body);
  transition: var(--transition);
  background: var(--clr-white);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}
.form-checkbox input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--clr-primary); }
.form-checkbox label { font-size: 0.82rem; color: var(--clr-text); cursor: pointer; }

.form-note {
  text-align: center;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--clr-text);
}
.form-note i { color: var(--clr-primary); margin-right: 6px; }

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  min-height: 400px;
}
.form-success.hidden { display: none; }
.form-success i { font-size: 4rem; color: var(--clr-success); margin-bottom: 20px; }
.form-success h4 { font-size: 1.8rem; color: var(--clr-navy); margin-bottom: 10px; }
.form-success p { color: var(--clr-text); margin-bottom: 24px; }

.form-success-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

@media (max-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrapper { padding: 24px; }
}

/* ---------- CTA ---------- */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, var(--clr-navy), var(--clr-navy-2));
  overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1579684385127-1ef15d508118?w=1920&q=80') center/cover no-repeat;
  opacity: 0.06;
}

.cta-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.cta-particles i {
  position: absolute;
  font-size: 1.5rem;
  color: rgba(255,255,255,0.05);
  animation: float-particle 15s ease-in-out infinite;
}
.cta-particles i:nth-child(1) { top: 10%; left: 10%; }
.cta-particles i:nth-child(2) { top: 30%; right: 15%; animation-delay: 2s; }
.cta-particles i:nth-child(3) { bottom: 20%; left: 20%; animation-delay: 4s; }
.cta-particles i:nth-child(4) { top: 50%; right: 10%; animation-delay: 1s; }
.cta-particles i:nth-child(5) { bottom: 10%; right: 40%; animation-delay: 3s; }
.cta-particles i:nth-child(6) { top: 15%; left: 60%; animation-delay: 5s; }

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  color: var(--clr-teal);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--clr-white);
  margin-bottom: 16px;
  line-height: 1.2;
}
.cta-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 36px;
}

.cta-stats-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}
.cta-stats-mini span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}
.cta-stats-mini i {
  color: var(--clr-teal);
  margin-right: 6px;
}

@media (max-width: 768px) {
  .cta-section { padding: 70px 0; }
  .cta-content h2 { font-size: 2.2rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
}
@media (max-width: 576px) {
  .cta-content h2 { font-size: 1.8rem; }
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--clr-navy);
  color: rgba(255,255,255,0.7);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 12px;
}
.footer-logo i { color: var(--clr-primary); font-size: 1.5rem; }

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.footer h4 {
  color: var(--clr-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-links ul, .footer-contact ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--clr-primary); padding-left: 4px; }

.footer-contact ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
}
.footer-contact ul li i {
  margin-top: 4px;
  color: var(--clr-primary);
  width: 16px;
}
.footer-contact a:hover { color: var(--clr-primary); }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.82rem;
}
.footer-bottom p:first-child { margin-bottom: 6px; }
.footer-bottom i { color: var(--clr-danger); }
.footer-disclaimer {
  font-size: 0.75rem;
  opacity: 0.5;
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--clr-primary);
  color: var(--clr-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(26, 115, 232, 0.35);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-3px);
}

@media (max-width: 576px) {
  .back-to-top { bottom: 80px; right: 16px; width: 42px; height: 42px; font-size: 1rem; }
}

/* ---------- WHATSAPP FLOAT ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 30px;
  z-index: 9998;
  width: 60px;
  height: 60px;
  background: var(--clr-success);
  color: var(--clr-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
  animation: whatsapp-pulse 2s ease-in-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  color: var(--clr-white);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.55);
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--clr-navy);
  color: var(--clr-white);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid var(--clr-navy);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}
.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45); }
  50% { box-shadow: 0 4px 40px rgba(37, 211, 102, 0.7); }
}

@media (max-width: 576px) {
  .whatsapp-float { bottom: 24px; right: 16px; width: 54px; height: 54px; font-size: 1.6rem; }
  .whatsapp-tooltip { display: none; }
}

/* ---------- AOS OVERRIDES ---------- */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }