/* ==========================================================================
   ALBANIY SCIENCE INTERNATIONAL ACADEMY - MAIN STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES & RESET
   -------------------------------------------------------------------------- */
:root {
  --primary-green: #08482c;
  --primary-darker: #05331f;
  --primary-light: #0d5f3a;
  --accent-gold: #e2bd68;
  --text-dark: #1f2937;
  --text-muted: #6b7280;
  --bg-light: #f8faf9;
  --bg-section-alt: #f1f5f3;
  --white: #ffffff;
  --border-color: #e5e7eb;
  
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   2. NAVBAR & HEADER
   -------------------------------------------------------------------------- */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #d1dad5; /* Light greenish-grey top nav matching exact header UI */
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar {
  padding: 16px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-mark img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-heading);
}

.brand-text strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: #1a382b;
  line-height: 1.1;
}

.brand-text span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #4c6356;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.4);
  padding: 6px 10px;
  border-radius: var(--radius-full);
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #2e4438;
  border-radius: var(--radius-full);
}

.nav-links a:hover {
  color: var(--primary-green);
  background-color: rgba(255, 255, 255, 0.6);
}

.nav-links a.active {
  background-color: var(--white);
  color: var(--primary-green);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--primary-green);
  cursor: pointer;
}

#mobilePortalBtn {
  display: none;
}

/* --------------------------------------------------------------------------
   3. BUTTONS & BADGES
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background-color: #0b5c37;
  color: var(--white);
}

.btn-primary:hover {
  background-color: #063d24;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  backdrop-filter: blur(4px);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

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

.btn-white:hover {
  background-color: #f0f0f0;
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   4. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background-color: #08482c; /* Forest Green Hero Background */
  color: var(--white);
  padding: 80px 0 100px;
  overflow: hidden;
}

/* Concentric Arches Pattern Overlay */
.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 40%),
    repeating-radial-gradient(circle at 50% 50%, transparent 0, transparent 40px, rgba(255, 255, 255, 0.03) 41px, transparent 42px);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
  background: rgba(255, 255, 255, 0.05);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 4.2rem;
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title em {
  font-style: normal;
  color: var(--accent-gold);
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.6;
  opacity: 0.9;
  max-width: 580px;
  margin-bottom: 24px;
}

.hero-motto {
  font-style: italic;
  font-size: 1.05rem;
  color: #e3f2e9;
  padding-left: 16px;
  border-left: 3px solid var(--accent-gold);
  margin-bottom: 36px;
}

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

.hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stats strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.hero-stats span {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Hero Visual & Floating Elements */
.hero-visual {
  position: relative;
}

.hero-art {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.campus-illustration {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.arch-frame {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.crest-badge {
  position: absolute;
  bottom: -15px;
  right: -15px;
  width: 70px;
  height: 70px;
  background: var(--white);
  padding: 8px;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.float-card {
  position: absolute;
  background: var(--white);
  color: var(--text-dark);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 10;
}

.fc-1 {
  top: -20px;
  left: -40px;
}

.fc-2 {
  bottom: 40px;
  right: -20px;
}

.fc-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: #e6f4ed;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.float-card strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
}

.float-card span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   5. SECTIONS & GENERAL CARDS
   -------------------------------------------------------------------------- */
.section {
  padding: 90px 0;
}

.section-alt {
  background-color: var(--bg-section-alt);
}

.section-head {
  margin-bottom: 50px;
}

.section-head.center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-green);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #111827;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --------------------------------------------------------------------------
   6. WELCOME & DUAL EDUCATION
   -------------------------------------------------------------------------- */
.welcome-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.welcome-media {
  position: relative;
}

.brand-visual {
  background: #e8f0eb;
  height: 380px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bv-inner {
  text-align: center;
  color: var(--primary-green);
}

.bv-inner img {
  width: 90px;
  margin: 0 auto 12px;
}

.welcome-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--white);
  padding: 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 14px;
}

.wb-num {
  font-size: 1.8rem;
  color: var(--primary-green);
}

.welcome-list {
  list-style: none;
  margin-top: 24px;
}

.welcome-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.welcome-list i {
  color: var(--primary-green);
}

/* Dual Education Section */
.dual-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.dual-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.dual-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.dual-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: #e6f4ed;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
}

.dual-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.dual-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.dual-tags span {
  background: #f1f5f3;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-green);
}

.dual-connector {
  text-align: center;
  margin-top: 30px;
  font-weight: 700;
  color: var(--primary-green);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --------------------------------------------------------------------------
   7. LEVEL CARDS & WHY CHOOSE US
   -------------------------------------------------------------------------- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.level-card .lv-media {
  position: relative;
  height: 140px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.lv-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  z-index: 2;
}

.level-card h4 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.level-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.lv-link {
  font-weight: 700;
  color: var(--primary-green);
  font-size: 0.9rem;
}

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

.why-icon {
  width: 50px;
  height: 50px;
  background: #e6f4ed;
  color: var(--primary-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 16px;
}

.why-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   8. DAY & BOARDING SPLIT SECTION
   -------------------------------------------------------------------------- */
.split-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.split-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.split-body {
  padding: 32px;
}

.split-body h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.split-feat {
  list-style: none;
  margin: 20px 0 28px;
}

.split-feat li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.split-feat i {
  color: var(--primary-green);
}

/* --------------------------------------------------------------------------
   9. DIGITAL PLATFORM & FEE CALCULATOR
   -------------------------------------------------------------------------- */
.platform-section {
  background: var(--primary-darker);
  color: var(--white);
}

.platform-section .section-title,
.platform-section .section-desc {
  color: var(--white);
}

.platform-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 28px;
  border-radius: var(--radius-md);
}

.platform-icon {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.platform-card h4 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.platform-card ul {
  list-style: none;
}

.platform-card li {
  font-size: 0.88rem;
  opacity: 0.8;
  margin-bottom: 6px;
}

.platform-cta {
  text-align: center;
  margin-top: 40px;
}

/* Fee Calculator Panel */
.calc-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.field-group {
  margin-bottom: 20px;
}

.field-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.seg-control {
  display: flex;
  background: var(--bg-section-alt);
  padding: 4px;
  border-radius: var(--radius-full);
}

.seg-control button {
  flex: 1;
  padding: 8px 16px;
  border: none;
  background: none;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.seg-control button.active {
  background: var(--primary-green);
  color: var(--white);
}

.select-input {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-weight: 600;
}

.calc-result {
  background: #f8faf9;
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.fee-breakdown-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.fee-tag {
  background: #e6f4ed;
  color: var(--primary-green);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.fee-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.fee-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-green);
  padding: 14px 0;
  border-top: 2px dashed var(--border-color);
  margin-top: 14px;
}

.fee-terms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0;
}

.fee-term-box {
  background: var(--white);
  padding: 10px;
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--border-color);
}

.fee-term-box span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.fee-term-box strong {
  font-size: 0.9rem;
  color: var(--primary-green);
}

.fee-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

/* --------------------------------------------------------------------------
   10. ADMISSIONS STEPS & NEWS
   -------------------------------------------------------------------------- */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.step-card {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  position: relative;
}

.step-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.step-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.news-card .news-media {
  position: relative;
  height: 160px;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.news-cat {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary-green);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.news-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.3;
}

.news-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* --------------------------------------------------------------------------
   11. GALLERY & TESTIMONIALS
   -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  height: 180px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item.tall {
  grid-row: span 2;
  height: 376px;
}

.gi-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 72, 44, 0.8);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  font-weight: 700;
  font-size: 0.9rem;
}

.gallery-item:hover .gi-overlay {
  opacity: 1;
}

.testi-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.testi-quote {
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 20px;
  color: #374151;
}

.testi-person {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testi-avatar {
  width: 40px;
  height: 40px;
  background: #e6f4ed;
  color: var(--primary-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testi-person strong {
  display: block;
  font-size: 0.9rem;
}

.testi-person span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Contact Info Card */
.contact-info-card {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 16px;
}

.ci-icon {
  width: 48px;
  height: 48px;
  background: #e6f4ed;
  color: var(--primary-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   12. FOOTER & WHATSAPP FAB
   -------------------------------------------------------------------------- */
.site-footer {
  background: #042416;
  color: var(--white);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand img {
  width: 40px;
}

.footer-motto {
  font-style: italic;
  color: var(--accent-gold);
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-addr {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.footer-social a:hover {
  background: var(--primary-green);
}

.footer-col h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--accent-gold);
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  font-size: 0.88rem;
  opacity: 0.75;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--accent-gold);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  opacity: 0.6;
}

.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-fab:hover {
  transform: scale(1.1);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
}

.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }