/* ══════════════════════════════════════
   Ankur Oxygen Gas Agency — style.css
   Font: Poppins | All Weights
   ══════════════════════════════════════ */

:root {
  --navy:     #0a1628;
  --navy-mid: #112240;
  --blue:     #1a5fa8;
  --sky:      #3b9ede;
  --ice:      #e8f4fd;
  --gold:     #f0a500;
  --white:    #ffffff;
  --gray:     #6b7a8d;
  --light:    #f5f8fc;
  --text:     #1c2a3a;
  --green:    #25d366;
  --red:      #dc2626;
  --border:   #dde8f0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--white);
  padding-top: 72px;
  overflow-x: hidden;
}

/* ── PRELOADER ── */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s ease, visibility .5s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-inner { text-align: center; }
.preloader-logo {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Poppins', sans-serif; font-weight: 900; font-size: 28px; color: var(--navy);
  margin: 0 auto 24px;
  animation: preloaderPulse 1s ease-in-out infinite alternate;
}
@keyframes preloaderPulse {
  from { transform: scale(1); box-shadow: 0 0 0 0 rgba(240,165,0,.4); }
  to   { transform: scale(1.08); box-shadow: 0 0 0 20px rgba(240,165,0,0); }
}
.preloader-bar {
  width: 200px; height: 3px; background: rgba(255,255,255,.15);
  border-radius: 10px; overflow: hidden; margin: 0 auto 16px;
}
.preloader-fill {
  height: 100%; background: var(--gold);
  border-radius: 10px;
  animation: fillBar 1.8s ease-in-out forwards;
}
@keyframes fillBar { from { width: 0; } to { width: 100%; } }
.preloader-inner p { color: rgba(255,255,255,.5); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; }

/* ── SCROLL TO TOP ── */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 800;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gold); color: var(--navy);
  border: none; font-size: 22px; font-weight: 700; cursor: pointer;
  box-shadow: 0 4px 20px rgba(240,165,0,.4);
  opacity: 0; visibility: hidden;
  transition: all .3s ease;
  transform: translateY(10px);
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--navy); color: var(--gold); transform: translateY(-3px); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,22,40,.97);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 72px;
  transition: box-shadow .3s, background .3s;
}
nav.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.5); }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-icon {
  width: 44px; height: 44px; background: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 13px; color: var(--navy); letter-spacing: .5px;
  transition: transform .3s;
}
.logo:hover .logo-icon { transform: rotate(10deg) scale(1.05); }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-weight: 700; font-size: 16px; color: var(--white); line-height: 1.2; }
.logo-sub  { font-size: 9px; font-weight: 400; color: var(--sky); letter-spacing: 1.5px; text-transform: uppercase; }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a {
  color: #cdd9e8; text-decoration: none; font-size: 13px; font-weight: 500;
  letter-spacing: .3px; text-transform: uppercase;
  position: relative; padding-bottom: 4px;
  transition: color .2s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--gold);
  transition: width .3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* ── PRODUCTS DROPDOWN ── */
.nav-links .has-dropdown { position: relative; }
.nav-links .has-dropdown > a::before {
  content: ' ▾'; font-size: 10px; opacity: .7;
}
.dropdown-menu {
  display: none;
  position: absolute; top: calc(100% + 14px); left: 50%;
  transform: translateX(-50%);
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 8px;
  padding: 8px 0;
  min-width: 240px;
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
  z-index: 1100;
  white-space: nowrap;
}
.dropdown-menu::before {
  content: '';
  position: absolute; top: -6px; left: 50%; transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid rgba(255,255,255,.08);
}
.dropdown-menu a {
  display: block;
  padding: 9px 20px;
  color: #cdd9e8;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .3px;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.dropdown-menu a::after { display: none; }
.dropdown-menu a:hover, .dropdown-menu a.active {
  background: rgba(240,165,0,.12);
  color: var(--gold);
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu { display: block; }
.nav-cta {
  background: var(--gold); color: var(--navy); padding: 10px 24px;
  border-radius: 5px; font-weight: 700; font-size: 13px; text-decoration: none;
  transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(240,165,0,.35); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--white); transition: all .3s ease; border-radius: 2px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE MENU ── */
.mobile-menu {
  position: fixed; top: 72px; left: 0; right: 0; z-index: 999;
  background: var(--navy-mid);
  padding: 32px 5%; display: flex; flex-direction: column;
  transform: translateY(-110%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.mobile-menu ul li a {
  display: block; padding: 14px 16px; color: var(--white); text-decoration: none;
  font-size: 15px; font-weight: 500; border-radius: 8px;
  transition: background .2s, color .2s;
}
.mobile-menu ul li a:hover { background: rgba(255,255,255,.08); color: var(--gold); }

/* ── COMMON ── */
section { padding: 88px 5%; }
.section-tag {
  font-size: 11px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--sky); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.section-tag::before { content: ''; width: 24px; height: 2px; background: var(--sky); }
.section-title {
  font-weight: 800; font-size: clamp(28px, 4vw, 48px);
  color: var(--navy); line-height: 1.1; margin-bottom: 20px;
}
.section-title em { color: var(--blue); font-style: normal; }
.section-sub { color: var(--gray); font-size: 15px; line-height: 1.9; max-width: 600px; }

/* ── BUTTONS ── */
.btn-primary {
  background: var(--gold); color: var(--navy); padding: 14px 32px;
  border-radius: 6px; font-weight: 700; font-size: 14px; text-decoration: none;
  letter-spacing: .3px; transition: transform .2s, box-shadow .2s;
  display: inline-block; position: relative; overflow: hidden;
}
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,.15);
  transform: translateX(-100%); transition: transform .3s ease;
}
.btn-primary:hover::after { transform: translateX(0); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,165,0,.4); }
.btn-outline {
  border: 2px solid rgba(255,255,255,.35); color: var(--white);
  padding: 14px 32px; border-radius: 6px; font-weight: 600; font-size: 14px;
  text-decoration: none; transition: all .25s; display: inline-block;
}
.btn-outline:hover { border-color: var(--sky); color: var(--sky); background: rgba(59,158,222,.08); }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── PAGE HERO ── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 72px 5% 56px; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(59,158,222,.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 {
  font-weight: 800; font-size: clamp(30px, 5vw, 56px);
  color: var(--white); line-height: 1.15; position: relative; z-index: 1;
}
.page-hero p { color: #a8bcd4; font-size: 16px; max-width: 560px; margin: 14px auto 0; position: relative; z-index: 1; }

/* ── CTA SECTION ── */
.cta-section {
  background: linear-gradient(135deg, #0a1628 0%, #1a5fa8 100%);
  text-align: center; padding: 88px 5%; position: relative; overflow: hidden;
}
.cta-section::before {
  content: 'O₂'; position: absolute; left: 5%; top: 50%; transform: translateY(-50%);
  font-size: 200px; font-weight: 900; color: rgba(255,255,255,.03); pointer-events: none;
}
.cta-section h2 {
  font-weight: 800; font-size: clamp(26px, 4vw, 52px);
  color: var(--white); margin-bottom: 16px; line-height: 1.2;
}
.cta-section > p { color: #a8bcd4; font-size: 16px; margin-bottom: 40px; }
.cta-info-grid { display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; margin-top: 56px; }
.cta-info { text-align: center; }
.cta-info-icon { font-size: 30px; margin-bottom: 10px; }
.cta-info h5 { font-size: 10px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--sky); margin-bottom: 6px; }
.cta-info p { color: var(--white); font-size: 14px; font-weight: 500; line-height: 1.6; }

/* ── FOOTER ── */
footer { background: #060e1d; padding: 72px 5% 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer-brand p { color: #5a7494; font-size: 13px; line-height: 1.8; margin-top: 20px; max-width: 280px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; text-decoration: none;
  transition: background .2s, transform .2s;
}
.footer-social a:hover { background: var(--gold); transform: translateY(-3px); }
.footer-col h5 { color: var(--white); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: #5a7494; font-size: 13px; text-decoration: none; transition: color .2s, padding-left .2s; display: flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--sky); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06); padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
}
.footer-bottom p { color: #3a5068; font-size: 12px; }

/* ── HERO (Homepage) ── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 55%, #0e2d52 100%);
  min-height: calc(100vh - 72px); display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 60px 5%;
}
.hero-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-particles span {
  position: absolute; display: block; border-radius: 50%;
  background: rgba(59,158,222,.15); animation: floatUp linear infinite;
}
@keyframes floatUp {
  0%   { transform: translateY(0) scale(1);   opacity: .7; }
  100% { transform: translateY(-100vh) scale(0); opacity: 0; }
}
.hero::after {
  content: 'O₂'; position: absolute; right: 5%; bottom: 5%;
  font-weight: 900; font-size: clamp(100px, 16vw, 260px);
  color: rgba(255,255,255,.03); pointer-events: none;
  animation: breathe 4s ease-in-out infinite;
}
@keyframes breathe { 0%,100%{transform:scale(1)} 50%{transform:scale(1.04)} }
.hero-content { max-width: 680px; z-index: 1; position: relative; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(240,165,0,.12); border: 1px solid rgba(240,165,0,.3);
  color: var(--gold); padding: 8px 18px; border-radius: 30px;
  font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 32px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.3;transform:scale(.8)} }
.hero h1 {
  font-weight: 800; font-size: clamp(34px, 5.5vw, 66px);
  color: var(--white); line-height: 1.1; margin-bottom: 24px;
}
.hero h1 em { color: var(--sky); font-style: normal; }
.hero p { color: #a8bcd4; font-size: 16px; line-height: 1.9; margin-bottom: 40px; max-width: 520px; }
.hero-stats { display: flex; gap: 48px; margin-top: 56px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,.1); flex-wrap: wrap; }
.stat-num { font-weight: 800; font-size: 38px; color: var(--white); line-height: 1; }
.stat-num span { color: var(--gold); }
.stat-label { font-size: 11px; font-weight: 500; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; margin-top: 6px; }

/* ── MEDICAL SECTION ── */
.medical-section { background: var(--white); }
.medical-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.medical-visual {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: 20px; padding: 48px 36px; position: relative; overflow: hidden;
  box-shadow: 0 24px 60px rgba(10,22,40,.35);
}
.medical-visual::after { content: ''; position: absolute; bottom: -40px; right: -40px; width: 180px; height: 180px; border-radius: 50%; background: rgba(59,158,222,.08); }
.med-label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--sky); margin-bottom: 20px; font-weight: 600; }
.cylinder-cards { display: flex; flex-direction: column; gap: 16px; }
.cyl-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px; padding: 18px 22px; display: flex; align-items: center; gap: 16px;
  transition: background .2s, border-color .2s, transform .2s;
  cursor: default;
}
.cyl-card:hover { background: rgba(255,255,255,.12); border-color: rgba(240,165,0,.3); transform: translateX(4px); }
.cyl-thumb {
  width: 48px; height: 48px; border-radius: 10px; background: var(--gold);
  display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0;
}
.cyl-info h5 { font-weight: 600; font-size: 15px; color: var(--white); }
.cyl-info p  { font-size: 12px; color: #7a9ab8; margin-top: 3px; }
.oxt-tag { display: inline-block; background: rgba(240,165,0,.2); color: var(--gold); font-size: 9px; font-weight: 700; letter-spacing: 1px; padding: 2px 8px; border-radius: 3px; margin-top: 5px; }
.medical-content ul { list-style: none; margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.medical-content ul li { display: flex; gap: 12px; font-size: 14px; color: var(--text); line-height: 1.7; }
.check { color: var(--blue); flex-shrink: 0; margin-top: 2px; font-size: 16px; }

/* ── PRODUCTS GRID ── */
.products-section { background: var(--light); }
.products-header { text-align: center; margin-bottom: 64px; }
.products-header .section-tag { justify-content: center; }
.products-header .section-tag::before { display: none; }
.products-header .section-sub { margin: 0 auto; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 24px; max-width: 1200px; margin: 0 auto; }
.product-card {
  background: var(--white); border-radius: 14px; padding: 36px 28px;
  position: relative; overflow: hidden; border: 1px solid #dde8f0;
  transition: transform .3s, box-shadow .3s;
}
.product-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--blue); transition: height .3s;
}
.product-card:hover::before { height: 6px; }
.product-card:hover { transform: translateY(-8px); box-shadow: 0 20px 56px rgba(26,95,168,.14); }
.product-card.featured::before { background: linear-gradient(90deg, var(--gold), #ffd166); }
.product-card.featured { border-color: rgba(240,165,0,.25); }
.product-badge {
  position: absolute; top: 22px; right: 22px;
  background: var(--gold); color: var(--navy);
  font-size: 9px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 10px; border-radius: 20px; text-transform: uppercase;
}
.product-icon {
  width: 58px; height: 58px; border-radius: 14px; background: var(--ice);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 26px;
  transition: transform .3s;
}
.product-icon svg { width: 28px; height: 28px; stroke: var(--blue); flex-shrink: 0; }
.product-card:hover .product-icon { transform: scale(1.1) rotate(-5deg); }
.product-card h3 { font-weight: 700; font-size: 18px; color: var(--navy); margin-bottom: 10px; }
.product-card p  { color: var(--gray); font-size: 13px; line-height: 1.75; margin-bottom: 20px; }
.product-specs { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.product-specs li { font-size: 13px; color: var(--text); display: flex; align-items: flex-start; gap: 8px; line-height: 1.6; }
.product-specs li .spec-check { color: var(--sky); font-weight: 700; flex-shrink: 0; font-size: 14px; margin-top: 1px; }

/* ── WHY US ── */
.why-section { background: var(--navy); }
.why-section .section-title { color: var(--white); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; margin-top: 56px; }
.why-card {
  padding: 32px 28px; border: 1px solid rgba(255,255,255,.08); border-radius: 14px;
  transition: border-color .25s, background .25s, transform .25s;
  position: relative; overflow: hidden;
}
.why-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 0;
  background: linear-gradient(180deg, rgba(59,158,222,.1) 0%, transparent 100%);
  transition: height .3s;
}
.why-card:hover::before { height: 100%; }
.why-card:hover { border-color: rgba(59,158,222,.3); transform: translateY(-4px); }
.why-icon { font-size: 32px; margin-bottom: 18px; display: block; width: 48px; height: 48px; }
.why-icon svg { width: 32px; height: 32px; stroke: var(--gold); display: block; }
.why-card h4 { font-weight: 700; font-size: 16px; color: var(--white); margin-bottom: 10px; }
.why-card p  { color: #7a9ab8; font-size: 13px; line-height: 1.8; }

/* ── ABOUT PAGE ── */
.about-hero { background: linear-gradient(135deg, var(--navy) 0%, #0e2d52 100%); padding: 80px 5% 64px; text-align: center; position: relative; overflow: hidden; }
.about-hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b9ede' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.about-hero h1 { font-weight: 800; font-size: clamp(30px, 5vw, 62px); color: var(--white); line-height: 1.15; position: relative; }
.about-hero p  { color: #a8bcd4; font-size: 16px; max-width: 600px; margin: 16px auto 0; position: relative; }
.about-body { max-width: 1100px; margin: 0 auto; padding: 80px 5%; }
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; align-items: start; }
.owner-box {
  background: var(--navy); border-radius: 20px; padding: 48px 36px; text-align: center;
  position: sticky; top: 92px;
  box-shadow: 0 24px 60px rgba(10,22,40,.3);
}
.owner-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--sky));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 44px; color: var(--white);
  margin: 0 auto 24px;
  box-shadow: 0 0 0 5px rgba(59,158,222,.2), 0 0 0 10px rgba(59,158,222,.08);
  animation: avatarGlow 3s ease-in-out infinite alternate;
}
@keyframes avatarGlow {
  from { box-shadow: 0 0 0 5px rgba(59,158,222,.2), 0 0 0 10px rgba(59,158,222,.08); }
  to   { box-shadow: 0 0 0 5px rgba(59,158,222,.35), 0 0 0 14px rgba(59,158,222,.12); }
}
.owner-name  { font-weight: 700; font-size: 22px; color: var(--white); }
.owner-title { color: var(--sky); font-size: 12px; font-weight: 500; letter-spacing: 1px; margin-top: 4px; margin-bottom: 24px; text-transform: uppercase; }
.owner-since { display: inline-block; background: var(--gold); color: var(--navy); font-weight: 700; font-size: 12px; padding: 6px 18px; border-radius: 30px; }
.owner-quote { color: #7a9ab8; font-size: 13px; line-height: 1.8; margin-top: 24px; font-style: italic; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); }
.owner-stats { display: flex; justify-content: space-around; margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); }
.owner-stat-num   { font-weight: 800; font-size: 28px; color: var(--gold); }
.owner-stat-label { font-size: 10px; font-weight: 500; color: #5a7494; letter-spacing: 1px; margin-top: 4px; }
.about-text h2 { font-weight: 700; font-size: 32px; color: var(--navy); margin-bottom: 20px; line-height: 1.2; }
.about-text p  { color: var(--gray); font-size: 15px; line-height: 1.9; margin-bottom: 20px; }
.timeline { margin: 40px 0; display: flex; flex-direction: column; }
.tl-item { display: flex; gap: 20px; padding-bottom: 36px; position: relative; }
.tl-item::before { content: ''; position: absolute; left: 19px; top: 42px; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--blue), transparent); }
.tl-item:last-child::before { display: none; }
.tl-dot {
  width: 40px; height: 40px; border-radius: 50%; background: var(--blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(26,95,168,.2);
}
.tl-dot span { color: var(--white); font-size: 10px; font-weight: 700; }
.tl-body h4 { font-weight: 600; font-size: 15px; color: var(--navy); margin-top: 8px; }
.tl-body p  { font-size: 13px; color: var(--gray); margin-top: 5px; line-height: 1.7; }
.mission-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 36px; }
.mission-card { background: var(--light); border-radius: 12px; padding: 24px; border-left: 4px solid var(--blue); transition: transform .2s, box-shadow .2s; }
.mission-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(26,95,168,.1); }
.mission-card h4 { font-weight: 600; font-size: 15px; color: var(--navy); margin-bottom: 8px; }
.mission-card p  { font-size: 13px; color: var(--gray); line-height: 1.7; }
.focus-box { margin-top: 36px; padding: 28px 32px; background: var(--light); border-radius: 14px; border-left: 5px solid var(--gold); }
.focus-box h4 { font-weight: 700; font-size: 18px; color: var(--navy); margin-bottom: 12px; }
.focus-box p  { color: var(--gray); font-size: 14px; line-height: 1.85; }

/* ── PRODUCTS PAGE ── */
.products-page-section { padding: 80px 5%; max-width: 1200px; margin: 0 auto; }
.category-block { margin-bottom: 80px; }
.category-title {
  font-weight: 700; font-size: 26px; color: var(--navy);
  border-left: 5px solid var(--gold); padding-left: 18px; margin-bottom: 36px;
  display: flex; align-items: center; gap: 12px;
}
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; }
.cat-card { border: 1px solid #dde8f0; border-radius: 14px; overflow: hidden; transition: box-shadow .25s, transform .25s; background: var(--white); }
.cat-card:hover { box-shadow: 0 16px 48px rgba(26,95,168,.12); transform: translateY(-6px); }
.cat-card-head { background: linear-gradient(135deg, var(--navy), var(--navy-mid)); padding: 32px; text-align: center; font-size: 52px; position: relative; overflow: hidden; }
.cat-card-head::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(59,158,222,.1) 0%, transparent 60%); }
.cat-card-body { padding: 24px; }
.cat-card-body h4 { font-weight: 600; font-size: 17px; color: var(--navy); margin-bottom: 10px; }
.cat-card-body p  { font-size: 13px; color: var(--gray); line-height: 1.75; margin-bottom: 16px; }
.spec-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.spec-tag { background: var(--ice); color: var(--blue); font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: 4px; }
.spec-tag.gold { background: rgba(240,165,0,.1); color: #b07800; }
.inquiry-btn {
  display: inline-block; margin-top: 18px; background: var(--blue); color: var(--white);
  padding: 10px 22px; border-radius: 6px; font-size: 13px; font-weight: 600;
  text-decoration: none; transition: background .2s, transform .2s;
}
.inquiry-btn:hover { background: var(--navy); transform: translateX(3px); }

/* ── CONTACT PAGE ── */
.contact-body { max-width: 1100px; margin: 0 auto; padding: 80px 5%; display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.contact-info h2 { font-weight: 700; font-size: 34px; color: var(--navy); margin-bottom: 20px; line-height: 1.2; }
.contact-info > p { color: var(--gray); font-size: 15px; line-height: 1.85; margin-bottom: 36px; }
.info-items { display: flex; flex-direction: column; gap: 24px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px; border-radius: 12px; transition: background .2s; }
.info-item:hover { background: var(--light); }
.info-icon {
  width: 50px; height: 50px; border-radius: 12px; background: var(--ice);
  display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0;
}
.info-item h5 { font-weight: 600; font-size: 12px; color: var(--navy); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 5px; }
.info-item p, .info-item a { font-size: 14px; color: var(--text); line-height: 1.65; text-decoration: none; }
.info-item a:hover { color: var(--blue); }
.map-embed { border-radius: 16px; overflow: hidden; border: 2px solid #dde8f0; margin-top: 36px; box-shadow: 0 8px 32px rgba(0,0,0,.08); }
.map-embed iframe { display: block; width: 100%; height: 300px; border: none; }
.contact-form { background: var(--light); border-radius: 20px; padding: 44px 40px; box-shadow: 0 8px 40px rgba(26,95,168,.07); }
.contact-form h3 { font-weight: 700; font-size: 26px; color: var(--navy); margin-bottom: 32px; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 11px; font-weight: 700; color: var(--navy); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 13px 18px; border: 1.5px solid #d0dcea; border-radius: 8px;
  font-family: 'Poppins', sans-serif; font-size: 14px; color: var(--text);
  background: var(--white); outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--sky); box-shadow: 0 0 0 3px rgba(59,158,222,.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.submit-btn {
  width: 100%; background: var(--navy); color: var(--white); padding: 16px;
  border: none; border-radius: 8px; font-family: 'Poppins', sans-serif;
  font-weight: 700; font-size: 15px; letter-spacing: .5px; cursor: pointer;
  transition: background .2s, transform .2s;
  position: relative; overflow: hidden;
}
.submit-btn:hover { background: var(--blue); transform: translateY(-2px); }
.submit-btn:disabled { opacity: .7; cursor: not-allowed; transform: none; }
.spinner {
  display: none; width: 18px; height: 18px;
  border: 3px solid rgba(255,255,255,.3); border-top-color: #fff;
  border-radius: 50%; animation: spin .7s linear infinite; margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.whatsapp-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--green); color: var(--white); padding: 15px; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 15px; margin-top: 12px;
  transition: opacity .2s, transform .2s;
}
.whatsapp-btn:hover { opacity: .9; transform: translateY(-2px); }
.success-msg {
  display: none; background: #d4f4e4; color: #1a7a45;
  padding: 16px 20px; border-radius: 10px; font-weight: 600; font-size: 14px; margin-top: 18px;
  border-left: 4px solid #1a7a45;
}
.error-msg {
  display: none; background: #fde8e8; color: #c0392b;
  padding: 16px 20px; border-radius: 10px; font-weight: 600; font-size: 14px; margin-top: 18px;
  border-left: 4px solid #c0392b;
}
.keywords-box { margin-top: 28px; background: var(--navy); border-radius: 14px; padding: 28px 32px; }
.keywords-box h4 { color: var(--white); font-weight: 600; font-size: 17px; margin-bottom: 14px; }
.keywords-box p  { color: #7a9ab8; font-size: 13px; line-height: 1.85; }

/* ══════════════════════════════════════════
   RESPONSIVE — Mobile & Tablet Friendly
   Breakpoints:
     1200px = large tablet / small desktop
     1024px = tablet landscape
      768px = tablet portrait
      480px = large mobile
      360px = small mobile
   ══════════════════════════════════════════ */

/* ── LARGE TABLET (≤1200px) ── */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: clamp(32px, 5vw, 58px); }
}

/* ── TABLET LANDSCAPE (≤1024px) ── */
@media (max-width: 1024px) {
  /* About page */
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .owner-box  { position: static; max-width: 480px; margin: 0 auto; }

  /* Medical section */
  .medical-inner { gap: 48px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }

  /* Products */
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── TABLET PORTRAIT (≤768px) ── */
@media (max-width: 768px) {
  /* Nav */
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  nav { padding: 0 4%; }

  /* Typography scale down */
  .section-title { font-size: clamp(24px, 5vw, 36px); }
  .page-hero h1  { font-size: clamp(26px, 6vw, 42px); }

  /* Hero */
  .hero { padding: 48px 4% 56px; min-height: auto; }
  .hero::after { display: none; }
  .hero h1 { font-size: clamp(28px, 7vw, 44px); }
  .hero p  { font-size: 15px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stat-num { font-size: 30px; }

  /* Section padding */
  section { padding: 64px 4%; }
  .page-hero { padding: 56px 4% 44px; }

  /* Medical section stacks */
  .medical-inner { grid-template-columns: 1fr; gap: 40px; }

  /* Products grid: 2 cols on tablet */
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .product-card  { padding: 28px 22px; }

  /* Why grid: 2 cols */
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .why-card { padding: 24px 20px; }

  /* Contact */
  .contact-body { grid-template-columns: 1fr; gap: 40px; padding: 56px 4%; }
  .form-row { grid-template-columns: 1fr; }

  /* About */
  .about-body { padding: 56px 4%; }
  .mission-cards { grid-template-columns: 1fr 1fr; }

  /* Products page */
  .products-page-section { padding: 56px 4%; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  /* CTA */
  .cta-info-grid { gap: 32px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: 100%; }
  footer { padding: 56px 4% 28px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
}

/* ── LARGE MOBILE (≤480px) ── */
@media (max-width: 480px) {
  /* Hero */
  .hero { padding: 40px 4% 48px; }
  .hero h1 { font-size: clamp(26px, 8vw, 38px); line-height: 1.15; }
  .hero p  { font-size: 14px; }
  .hero-badge { font-size: 10px; padding: 6px 14px; }
  .hero-btns { flex-direction: column; gap: 12px; }
  .hero-btns .btn-primary,
  .hero-btns .btn-outline { text-align: center; width: 100%; padding: 14px 20px; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 28px; }

  /* Section */
  section { padding: 52px 4%; }
  .section-title { font-size: clamp(22px, 7vw, 32px); }

  /* Products: 1 col on mobile */
  .products-grid { grid-template-columns: 1fr; }
  .product-card  { padding: 26px 20px; }

  /* Why: 1 col on mobile */
  .why-grid { grid-template-columns: 1fr; }

  /* Mission cards */
  .mission-cards { grid-template-columns: 1fr; }

  /* Cat grid: 1 col */
  .cat-grid { grid-template-columns: 1fr; }

  /* About */
  .timeline .tl-item { gap: 14px; }
  .owner-box { padding: 36px 24px; }
  .owner-avatar { width: 90px; height: 90px; font-size: 34px; }

  /* Contact form */
  .contact-form { padding: 28px 20px; }
  .contact-form h3 { font-size: 20px; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 15px; padding: 12px 14px; }
  .submit-btn { font-size: 15px; padding: 14px; }
  .whatsapp-btn { font-size: 14px; padding: 13px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-col h5 { margin-bottom: 12px; }

  /* CTA */
  .cta-section h2 { font-size: clamp(22px, 7vw, 36px); }
  .cta-info-grid  { flex-direction: column; gap: 24px; align-items: center; }
  .cta-btns { flex-direction: column; }

  /* Page hero */
  .page-hero { padding: 48px 4% 36px; }
  .page-hero h1 { font-size: clamp(24px, 8vw, 36px); }

  /* Scroll to top */
  .scroll-top { bottom: 20px; right: 16px; width: 42px; height: 42px; font-size: 18px; }

  /* Nav */
  nav { height: 64px; padding: 0 4%; }
  .logo-name { font-size: 15px; }
  body { padding-top: 64px; }
  .mobile-menu { top: 64px; }
}

/* ── SMALL MOBILE (≤360px) ── */
@media (max-width: 360px) {
  .hero h1 { font-size: 24px; }
  .hero p  { font-size: 13px; }
  .section-title { font-size: 22px; }
  .product-card h3 { font-size: 16px; }
  .logo-sub { display: none; }
  .owner-stats { flex-direction: column; gap: 12px; }
}

/* ── TOUCH & TAP IMPROVEMENTS ── */
@media (hover: none) {
  /* Remove hover-only transforms on touch devices */
  .product-card:hover { transform: none; }
  .why-card:hover     { transform: none; }
  .cat-card:hover     { transform: none; }

  /* Larger tap targets */
  .nav-links a   { padding: 8px 0; }
  .footer-col ul li a { padding: 4px 0; }
  .inquiry-btn { padding: 12px 24px; }
}

/* ── PREVENT HORIZONTAL SCROLL ── */
html, body { max-width: 100%; overflow-x: hidden; }

/* ── SMOOTH SCROLLING ON iOS ── */
* { -webkit-tap-highlight-color: transparent; }
input, select, textarea { -webkit-appearance: none; border-radius: 8px; }

/* ══════════════════════════════════════
   WHATSAPP FLOATING BUTTON
   ══════════════════════════════════════ */
.wa-float {
  position: fixed; bottom: 88px; right: 24px; z-index: 900;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,.45);
  text-decoration: none;
  animation: waBounce 2.5s ease-in-out infinite;
  transition: transform .2s, box-shadow .2s;
}
.wa-float:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 32px rgba(37,211,102,.55);
  animation: none;
}
.wa-float svg {
  width: 30px; height: 30px; fill: #fff;
}
.wa-tooltip {
  position: absolute; right: 68px; top: 50%; transform: translateY(-50%);
  background: #0a1628; color: #fff; font-size: 12px; font-weight: 600;
  padding: 6px 12px; border-radius: 6px; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.wa-tooltip::after {
  content: ''; position: absolute; left: 100%; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent; border-left-color: #0a1628;
}
.wa-float:hover .wa-tooltip { opacity: 1; }
@keyframes waBounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@media (max-width: 480px) {
  .wa-float { bottom: 76px; right: 16px; width: 52px; height: 52px; }
  .wa-float svg { width: 26px; height: 26px; }
  .wa-tooltip { display: none; }
}

/* ══════════════════════════════════════
   TESTIMONIALS SECTION
   ══════════════════════════════════════ */
.testimonials-section { background: var(--light); }
.testimonials-header  { text-align: center; margin-bottom: 56px; }
.testimonials-header .section-tag  { justify-content: center; }
.testimonials-header .section-tag::before { display: none; }
.testimonials-header .section-sub  { margin: 0 auto; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1200px; margin: 0 auto;
}
.testi-card {
  background: var(--white); border-radius: 16px;
  padding: 32px 28px; border: 1px solid #dde8f0;
  position: relative; overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.testi-card:hover { transform: translateY(-6px); box-shadow: 0 20px 48px rgba(26,95,168,.1); }
.testi-card::before {
  content: '\201C';
  position: absolute; top: -10px; right: 20px;
  font-size: 100px; font-weight: 900; color: rgba(240,165,0,.12);
  font-family: Georgia, serif; line-height: 1; pointer-events: none;
}
.testi-stars { color: #f0a500; font-size: 16px; margin-bottom: 16px; letter-spacing: 2px; }
.testi-text  { color: var(--gray); font-size: 14px; line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-avatar {
  width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue), var(--sky));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; color: var(--white);
}
.testi-name { font-weight: 700; font-size: 15px; color: var(--navy); }
.testi-role { font-size: 12px; color: var(--gray); margin-top: 2px; }
.testi-tag  {
  position: absolute; top: 20px; left: 20px;
  background: var(--ice); color: var(--blue);
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 10px; border-radius: 20px; text-transform: uppercase;
}
@media (max-width: 768px) { .testimonials-grid { grid-template-columns: 1fr; } }

/* ══════════════════════════════════════
   FAQ PAGE
   ══════════════════════════════════════ */
.faq-body { max-width: 860px; margin: 0 auto; padding: 80px 5%; }
.faq-category { margin-bottom: 56px; }
.faq-category-title {
  font-weight: 700; font-size: 20px; color: var(--navy);
  margin-bottom: 20px; padding-left: 14px;
  border-left: 4px solid var(--gold);
  display: flex; align-items: center; gap: 10px;
}
.faq-item {
  border: 1px solid #dde8f0; border-radius: 12px;
  margin-bottom: 12px; overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item:hover { box-shadow: 0 4px 20px rgba(26,95,168,.08); }
.faq-question {
  width: 100%; background: var(--white); border: none; outline: none;
  padding: 20px 24px; text-align: left; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: 'Poppins', sans-serif; font-size: 15px; font-weight: 600;
  color: var(--navy); transition: background .2s;
}
.faq-question:hover { background: var(--light); }
.faq-question.open  { background: var(--navy); color: var(--white); }
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: var(--ice); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; transition: all .3s;
}
.faq-question.open .faq-icon {
  background: var(--gold); color: var(--navy); transform: rotate(45deg);
}
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .3s;
  background: var(--white);
}
.faq-answer.open { max-height: 400px; }
.faq-answer-inner {
  padding: 0 24px 20px; color: var(--gray);
  font-size: 14px; line-height: 1.85;
  border-top: 1px solid #dde8f0;
  padding-top: 16px;
}
.faq-answer-inner strong { color: var(--navy); }
.faq-cta {
  text-align: center; margin-top: 48px;
  background: var(--light); border-radius: 16px;
  padding: 40px 32px; border: 1px solid #dde8f0;
}
.faq-cta h3 { font-weight: 700; font-size: 22px; color: var(--navy); margin-bottom: 10px; }
.faq-cta p  { color: var(--gray); font-size: 15px; margin-bottom: 24px; }

/* ── PRODUCT DETAIL PAGE ── */
.card{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:20px;}
.card-hd{font-size:15px;font-weight:700;color:var(--navy);padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:18px;display:flex;align-items:center;gap:8px;}