@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400&display=swap');

/* ==========================================================================
   SESHADRI INFRA — FULLY RESPONSIVE DESIGN SYSTEM
   ========================================================================== */

:root {
  --primary-color: #0F172A;
  --primary-light: #1E293B;
  --secondary-color: #044272;
  --secondary-hover: #02325a;
  --secondary-light: #38bdf8;    /* Vivid sky blue for dark backgrounds & footer */
  --secondary-glow: #0284c7;
  --accent-color: #334155;

  --bg-color: #FAFAFA;
  --card-bg: #FFFFFF;
  --surface-subtle: #F8FAFC;

  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-subtle: #94A3B8;
  --white: #FFFFFF;

  --border-light: rgba(15,23,42,0.08);
  --border-gold: rgba(4,66,114,0.25);
  --shadow-sm: 0 2px 8px rgba(15,23,42,0.04);
  --shadow-md: 0 10px 30px -10px rgba(15,23,42,0.08);
  --shadow-lg: 0 20px 40px -15px rgba(15,23,42,0.12);
  --shadow-gold: 0 6px 20px -4px rgba(4,66,114,0.25);

  --radius-sm: 8px;
  --radius: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
  --transition-fast: all 0.15s ease;

  --header-h: 72px;
}

/* ── RESET ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; -webkit-text-size-adjust:100%; }
body {
  font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg-color);
  color:var(--text-main);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a { text-decoration:none; color:inherit; transition:var(--transition-fast); }
ul { list-style:none; }
img { max-width:100%; height:auto; display:block; }
input, select, button, textarea { font-family:inherit; }

/* ── CONTAINER ── */
.container { max-width:1240px; margin:0 auto; padding:0 20px; }
@media(min-width:640px){ .container{ padding:0 24px; } }
@media(min-width:1280px){ .container{ padding:0 32px; } }

/* ── SECTION SPACING ── */
.section-padding { padding:80px 0; }
@media(max-width:768px){ .section-padding{ padding:56px 0; } }
@media(max-width:480px){ .section-padding{ padding:44px 0; } }

.section-header { text-align:center; max-width:720px; margin:0 auto 48px auto; }
@media(max-width:768px){ .section-header{ margin-bottom:36px; } }

.section-subtitle {
  display:inline-block; font-size:0.78rem; font-weight:700;
  letter-spacing:2px; text-transform:uppercase;
  color:var(--secondary-color); margin-bottom:10px;
}
.section-title {
  font-size:clamp(1.6rem, 4vw, 2.5rem); font-weight:800;
  color:var(--primary-color); line-height:1.2; letter-spacing:-0.3px;
}
.section-desc { font-size:1rem; color:var(--text-muted); margin-top:12px; }

/* ── BUTTONS ── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 28px; border-radius:var(--radius-full);
  font-size:0.9rem; font-weight:600; letter-spacing:0.2px;
  transition:var(--transition); cursor:pointer;
  border:1px solid transparent; white-space:nowrap;
  text-align:center;
}
@media(max-width:480px){ .btn{ padding:12px 20px; font-size:0.85rem; } }

.btn-primary {
  background:var(--secondary-color); color:var(--white);
  box-shadow:var(--shadow-gold);
}
.btn-primary:hover {
  background:var(--secondary-hover); transform:translateY(-2px);
  box-shadow:0 10px 24px -4px rgba(4,66,114,0.3);
}
.btn-secondary { background:var(--primary-color); color:var(--white); box-shadow:var(--shadow-md); }
.btn-secondary:hover { background:var(--primary-light); transform:translateY(-2px); color:var(--white); }
.btn-outline { background:transparent; border-color:var(--border-light); color:var(--primary-color); }
.btn-outline:hover { border-color:var(--primary-color); background:var(--primary-color); color:var(--white); }

/* ── BADGE ── */
.badge-gold {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(4, 66, 114, 0.08); color: var(--secondary-color);
  border: 1px solid var(--border-gold);
  padding: 6px 16px; border-radius: var(--radius-full);
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.8px;
  text-transform: uppercase; white-space: nowrap;
}

/* On dark sections & hero slider */
.hero-slider .badge-gold,
.subpage-hero .badge-gold,
section[style*="var(--primary-color)"] .badge-gold,
section[style*="linear-gradient"] .badge-gold {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.35);
}
.hero-slider .badge-gold i,
.subpage-hero .badge-gold i,
section[style*="var(--primary-color)"] .badge-gold i,
section[style*="linear-gradient"] .badge-gold i {
  color: var(--secondary-light);
}

/* ── HEADER / NAVBAR ── */
header {
  position:fixed; top:0; left:0; width:100%;
  z-index:1000; background:rgba(255,255,255,0.95);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-light);
  transition:var(--transition);
}
.nav-container {
  display:flex; justify-content:space-between; align-items:center;
  height:var(--header-h); gap:16px;
}
.brand-logo { display:flex; align-items:center; flex-shrink:0; }
.brand-logo img { height:48px; max-height:48px; width:auto; object-fit:contain; }
@media(max-width:480px){ .brand-logo img{ height:40px; max-height:40px; } }

.nav-links { display:flex; align-items:center; gap:28px; }
.nav-item {
  font-size:0.92rem; font-weight:600; color:var(--primary-color);
  position:relative; padding:6px 0; white-space:nowrap;
}
.nav-item::after {
  content:''; position:absolute; bottom:0; left:0;
  width:0; height:2px; background:var(--secondary-color);
  transition:var(--transition);
}
.nav-item:hover::after, .nav-item.active::after { width:100%; }
.nav-item.active { color:var(--secondary-color); }

/* Dropdown */
.dropdown { position:relative; }
.dropdown-content {
  position:absolute; top:calc(100% + 8px); left:50%;
  transform:translateX(-50%); opacity:0; visibility:hidden;
  min-width:260px; background:var(--card-bg);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md); box-shadow:var(--shadow-lg);
  padding:10px; transition:var(--transition); z-index:100;
}
.dropdown:hover .dropdown-content { opacity:1; visibility:visible; }
.dropdown-content a {
  display:flex; align-items:center; gap:8px;
  padding:9px 14px; border-radius:var(--radius-sm);
  color:var(--primary-color); font-size:0.88rem; font-weight:500;
}
.dropdown-content a:hover { background:var(--surface-subtle); color:var(--secondary-color); }

.header-action { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.header-action .btn { display:none; }
@media(min-width:768px){ .header-action .btn{ display:inline-flex; } }

.mobile-menu-toggle {
  display:none; width:40px; height:40px;
  border-radius:var(--radius-sm); background:var(--surface-subtle);
  align-items:center; justify-content:center;
  font-size:1.2rem; color:var(--primary-color); cursor:pointer;
}

/* Hide desktop nav, show burger on mobile */
@media(max-width:992px){
  .nav-links { display:none; }
  .mobile-menu-toggle { display:flex; }
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position:fixed; top:var(--header-h); left:0; width:100%;
  max-height:calc(100vh - var(--header-h));
  background:var(--card-bg);
  border-bottom:1px solid var(--border-light);
  padding:16px 20px 24px; box-shadow:var(--shadow-lg);
  display:none; flex-direction:column; gap:4px;
  z-index:999; overflow-y:auto;
}
.mobile-nav-drawer.active { display:flex; }
.mobile-nav-drawer a {
  display:flex; align-items:center; gap:10px;
  padding:12px 16px; border-radius:var(--radius-sm);
  color:var(--primary-color); font-weight:600; font-size:0.95rem;
}
.mobile-nav-drawer a:hover { background:var(--surface-subtle); color:var(--secondary-color); }
.mobile-nav-drawer .mobile-sub {
  padding:9px 16px 9px 36px; font-size:0.88rem; font-weight:500; color:var(--text-muted);
}
.mobile-nav-drawer .mobile-divider {
  height:1px; background:var(--border-light); margin:6px 0;
}
.mobile-cta-btn {
  margin-top:12px; display:block; text-align:center;
  background:var(--secondary-color); color:#fff;
  padding:13px; border-radius:var(--radius-full);
  font-weight:700; font-size:0.9rem;
}

/* ── HERO SLIDER ── */
.hero-slider {
  position:relative; height:88vh; min-height:520px;
  overflow:hidden; display:flex; align-items:center;
  background:var(--primary-color);
}
@media(max-width:768px){ .hero-slider{ height:92vh; min-height:480px; } }

.slide {
  position:absolute; inset:0; opacity:0;
  transition:opacity 1s ease-in-out, transform 7s cubic-bezier(0.25,1,0.5,1);
  background-size:cover; background-position:center;
  transform:scale(1.04); z-index:1;
}
.slide.active { opacity:1; transform:scale(1); z-index:2; }

.hero-overlay {
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(15,23,42,0.7) 0%, rgba(15,23,42,0.88) 100%);
}
.slide .container {
  position:relative; height:100%; display:flex;
  align-items:center; justify-content:center;
  z-index:3; padding-top:var(--header-h);
}
.hero-content { max-width:820px; text-align:center; color:var(--white); padding:0 16px; }
.hero-heading {
  font-size:clamp(1.8rem, 5vw, 3.6rem); font-weight:800;
  line-height:1.15; margin-bottom:18px; letter-spacing:-0.5px;
}
.hero-sub { font-size:clamp(0.95rem, 2vw, 1.15rem); color:#E2E8F0; margin-bottom:28px; }
.hero-btns { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

.slider-controls {
  position:absolute; bottom:24px; right:24px;
  display:flex; gap:10px; z-index:10;
}
.slider-btn {
  width:44px; height:44px; border-radius:50%;
  background:rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.2);
  color:var(--white); display:flex; align-items:center; justify-content:center;
  cursor:pointer; backdrop-filter:blur(8px); transition:var(--transition-fast);
}
.slider-btn:hover { background:var(--secondary-color); border-color:var(--secondary-color); }
@media(max-width:480px){ .slider-controls{ bottom:16px; right:16px; } }

/* ── CARDS ── */
.minimal-card {
  background:var(--card-bg); border:1px solid var(--border-light);
  border-radius:var(--radius-lg); padding:28px;
  transition:var(--transition); box-shadow:var(--shadow-sm);
}
@media(max-width:480px){ .minimal-card{ padding:20px; } }
.minimal-card:hover { border-color:var(--border-gold); transform:translateY(-3px); box-shadow:var(--shadow-md); }

/* ── STAT BOX ── */
.stat-box {
  text-align:center; padding:28px 20px;
  background:var(--card-bg); border:1px solid var(--border-light);
  border-radius:var(--radius-md); box-shadow:var(--shadow-sm);
}
.stat-number { font-size:clamp(1.8rem, 4vw, 2.8rem); font-weight:800; color:var(--secondary-color); line-height:1; margin-bottom:8px; }
.stat-label { font-size:0.82rem; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.5px; }

/* ── RESPONSIVE GRID HELPERS ── */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.grid-auto { display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:24px; }

@media(max-width:1024px){ .grid-4{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:768px){
  .grid-2, .grid-3 { grid-template-columns:1fr; }
  .grid-4 { grid-template-columns:1fr 1fr; }
}
@media(max-width:480px){ .grid-4{ grid-template-columns:1fr; } }

/* ── PHOTO GALLERY GRID ── */
.gallery-photo-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:12px;
}
@media(max-width:480px){ .gallery-photo-grid{ grid-template-columns:1fr; } }

.thumb-strip {
  display:grid; grid-template-columns:repeat(5,1fr); gap:12px;
}
@media(max-width:768px){ .thumb-strip{ grid-template-columns:repeat(3,1fr); } }
@media(max-width:480px){ .thumb-strip{ grid-template-columns:repeat(2,1fr); } }

.video-row {
  display:grid; grid-template-columns:repeat(3,1fr); gap:16px;
}
@media(max-width:768px){ .video-row{ grid-template-columns:1fr; } }

.video-row-2 {
  display:grid; grid-template-columns:1fr 1fr; gap:16px;
}
@media(max-width:768px){ .video-row-2{ grid-template-columns:1fr; } }

.project-main-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:32px; align-items:center;
}
@media(max-width:768px){ .project-main-grid{ grid-template-columns:1fr; } }

.specs-download-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:start;
}
@media(max-width:768px){ .specs-download-grid{ grid-template-columns:1fr; } }

/* ── PLOT GRID ── */
.plot-grid-container {
  display:grid; grid-template-columns:repeat(auto-fill, minmax(60px,1fr));
  gap:8px; max-height:420px; overflow-y:auto;
  padding:14px; background:var(--surface-subtle);
  border-radius:var(--radius-md); border:1px solid var(--border-light);
}
@media(max-width:480px){ .plot-grid-container{ grid-template-columns:repeat(auto-fill, minmax(48px,1fr)); } }
.plot-box {
  height:54px; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  border-radius:var(--radius-sm); font-weight:700;
  font-size:0.78rem; cursor:pointer; transition:var(--transition-fast);
}
.plot-available { background:var(--white); border:1px solid #CBD5E1; color:var(--primary-color); }
.plot-available:hover { border-color:var(--secondary-color); background:rgba(4,66,114,0.05); transform:scale(1.05); }
.plot-booked { background:#F1F5F9; border:1px solid #E2E8F0; color:#94A3B8; cursor:not-allowed; }
.plot-selected { background:var(--secondary-color); color:var(--white); border-color:var(--secondary-hover); }

/* ── FAQ ACCORDION ── */
.faq-item {
  background:var(--card-bg); border:1px solid var(--border-light);
  border-radius:var(--radius-md); margin-bottom:12px; overflow:hidden;
}
.faq-question {
  padding:18px 22px; font-weight:700; font-size:0.98rem;
  color:var(--primary-color); cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
}
.faq-answer { padding:0 22px 18px; color:var(--text-muted); font-size:0.93rem; line-height:1.65; display:none; }
.faq-item.active .faq-answer { display:block; }
.faq-item.active { border-color:var(--secondary-color); }

/* ── MODALS ── */
.modal-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(15,23,42,0.88); backdrop-filter:blur(10px);
  z-index:2000; align-items:center; justify-content:center; padding:16px;
}
.modal-overlay.active { display:flex; }
.modal-card {
  background:var(--card-bg); border-radius:var(--radius-lg);
  max-width:700px; width:100%; max-height:90vh; overflow-y:auto;
  padding:28px; position:relative; box-shadow:var(--shadow-lg);
}
@media(max-width:480px){ .modal-card{ padding:18px; border-radius:var(--radius-md); } }
.modal-close {
  position:absolute; top:16px; right:16px;
  width:34px; height:34px; border-radius:50%;
  background:var(--surface-subtle); display:flex;
  align-items:center; justify-content:center;
  cursor:pointer; color:var(--primary-color); font-size:1rem; z-index:10;
}

/* ── GALLERY CARD ── */
.gallery-card { overflow:hidden; }
.gallery-card img { transition:transform 0.4s ease; }
.gallery-card:hover img { transform:scale(1.05); }

/* ── GALLERY FILTER TABS ── */
.gallery-filters {
  display:flex; justify-content:center; gap:8px;
  margin-bottom:36px; flex-wrap:wrap; padding:0 8px;
}
.gallery-filters .btn { padding:8px 18px; font-size:0.8rem; }

/* ── FOOTER ── */
footer {
  background: #090E1A; color: #CBD5E1;
  padding: 68px 0 32px; border-top: 1px solid rgba(255,255,255,0.1);
}
footer h3, footer h4 { color: #FFFFFF; font-weight: 700; }
footer a { color: #E2E8F0; }
footer a:hover { color: var(--secondary-light); }

.footer-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 40px;
  margin-bottom: 48px;
}
@media(max-width:900px){ .footer-grid{ grid-template-columns: 1fr 1fr; gap: 32px; } }
@media(max-width:560px){ .footer-grid{ grid-template-columns: 1fr; gap: 28px; } }

.footer-logo {
  display: inline-block;
  margin-bottom: 16px;
  background: #FFFFFF;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}
.footer-logo img { height: 44px; width: auto; display: block; }

.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  color: #FFFFFF; font-size: 1rem; transition: var(--transition-fast);
}
.footer-social a:hover {
  background: var(--secondary-light);
  color: #0F172A;
  border-color: var(--secondary-light);
  transform: translateY(-2px);
}

.footer-nav-list { display: flex; flex-direction: column; gap: 12px; }
.footer-nav-list a {
  display: flex; align-items: center; gap: 10px;
  color: #E2E8F0; font-size: 0.92rem; font-weight: 500;
  transition: var(--transition-fast);
}
.footer-nav-list a i {
  color: var(--secondary-light);
  font-size: 0.72rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.footer-nav-list a:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}
.footer-nav-list a:hover i {
  color: #FFFFFF;
}

.footer-contact-list { display: flex; flex-direction: column; gap: 16px; }
.footer-contact-list li {
  display: flex; gap: 14px; align-items: flex-start;
  color: #E2E8F0; font-size: 0.92rem; line-height: 1.5;
}
.footer-contact-list li i {
  color: var(--secondary-light);
  font-size: 1.05rem;
  margin-top: 3px;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}
.footer-contact-list a { color: #E2E8F0; font-weight: 500; }
.footer-contact-list a:hover { color: var(--secondary-light); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; font-size: 0.85rem; flex-wrap: wrap;
  color: #94A3B8;
}
@media(max-width:560px){ .footer-bottom{ flex-direction: column; text-align: center; } }

/* ── INQUIRY FLOATING BAR ── */
.inquiry-bar {
  margin-top:-36px; position:relative; z-index:20;
}
.inquiry-form {
  display:grid;
  grid-template-columns:1fr 1fr 1fr auto;
  gap:12px; align-items:center;
}
@media(max-width:900px){ .inquiry-form{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .inquiry-form{ grid-template-columns:1fr; } }
.inquiry-form input, .inquiry-form select {
  padding:12px 14px; border-radius:var(--radius-sm);
  border:1px solid var(--border-light); font-family:inherit;
  font-size:0.9rem; width:100%; background:#fff; color:var(--text-main);
}
.inquiry-form input:focus, .inquiry-form select:focus {
  outline:none; border-color:var(--secondary-color);
}

/* ── SUBPAGE HERO ── */
.subpage-hero {
  background:var(--primary-color); color:var(--white);
  padding:calc(var(--header-h) + 60px) 0 60px; text-align:center;
}
.subpage-hero h1 { font-size:clamp(1.8rem, 5vw, 3rem); font-weight:800; color:var(--white); margin:12px 0; }
.subpage-hero p { color:#94A3B8; max-width:580px; margin:0 auto; font-size:1rem; }

/* ── VISION SECTION GRID ── */
.vision-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:48px; align-items:center;
}
@media(max-width:768px){ .vision-grid{ grid-template-columns:1fr; gap:32px; } }

/* ── FEATURED VENTURE GRID ── */
.venture-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:52px; align-items:center;
}
@media(max-width:768px){ .venture-grid{ grid-template-columns:1fr; gap:28px; } }

/* ── AMENITIES GRID ── */
.amenities-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media(max-width:900px){ .amenities-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:560px){ .amenities-grid{ grid-template-columns:1fr; } }

/* ── TESTIMONIALS ── */
.testimonials-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media(max-width:900px){ .testimonials-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .testimonials-grid{ grid-template-columns:1fr; } }

/* ── BLOG GRID ── */
.blog-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media(max-width:900px){ .blog-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .blog-grid{ grid-template-columns:1fr; } }

/* ── CONTACT GRID ── */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; align-items:start; }
@media(max-width:768px){ .contact-grid{ grid-template-columns:1fr; } }

/* ── CONTACT CARDS ROW ── */
.contact-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-bottom:40px; }
@media(max-width:768px){ .contact-cards{ grid-template-columns:1fr; } }

/* ── TIMELINE ── */
.timeline { display:flex; flex-direction:column; gap:20px; }
.timeline-item { display:flex; gap:20px; align-items:flex-start; }
.timeline-dot {
  width:36px; height:36px; flex-shrink:0; border-radius:50%;
  background:var(--secondary-color); display:flex; align-items:center;
  justify-content:center; color:#fff; font-weight:700; font-size:0.78rem;
}
.timeline-content h4 { font-weight:700; color:var(--primary-color); margin-bottom:4px; }
.timeline-content p { color:var(--text-muted); font-size:0.88rem; }

/* ── ONGOING PROJECT SECTION DIVIDER ── */
.project-divider {
  height:5px;
  background:linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
}

/* ── WHATSAPP FLOAT BUTTON ── */
.wa-float {
  position:fixed; bottom:24px; right:24px; z-index:900;
  width:52px; height:52px; border-radius:50%;
  background:#25D366; display:flex; align-items:center;
  justify-content:center; box-shadow:0 4px 20px rgba(37,211,102,0.45);
  color:#fff; font-size:1.5rem; transition:var(--transition);
}
.wa-float:hover { transform:scale(1.08); }
@media(max-width:480px){ .wa-float{ bottom:16px; right:16px; width:46px; height:46px; font-size:1.3rem; } }

/* ── UTILITY ── */
.text-center { text-align:center; }
.w-full { width:100%; }
.mt-4 { margin-top:16px; }
.mt-6 { margin-top:24px; }
.mb-4 { margin-bottom:16px; }
.flex { display:flex; }
.flex-wrap { flex-wrap:wrap; }
.items-center { align-items:center; }
.gap-3 { gap:12px; }
.gap-4 { gap:16px; }
.justify-center { justify-content:center; }