/* =========================================================
   Sohm Industries – stylesheet
   ========================================================= */

:root {
  --navy: #202b37;
  --navy-deep: #1a2330;
  --cyan: #1fb6e8;
  --blue: #063da9;
  --indigo: #2e3192;
  --grey-bg: #e9e9e9;
  --grey-line: #d6d6d6;
  --text: #3b3f46;
  --white: #ffffff;
  --serif: "Tinos", "Times New Roman", Times, serif;
  --sans: "Poppins", "Segoe UI", Arial, sans-serif;
  --container: 1200px;
  --header-h: 80px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; font-weight: 400; }
p { margin: 0 0 1em; }

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

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 500;
  cursor: pointer;
  transition: background-color .25s ease, transform .25s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-connect {
  background: var(--blue);
  color: var(--white);
  font-size: 14px;
  padding: 10px 22px;
}
.btn-connect:hover { background: #0a4fd4; }

.btn-details {
  background: var(--indigo);
  color: var(--white);
  font-size: 13px;
  padding: 8px 18px;
}
.btn-details:hover { background: var(--blue); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(32, 43, 55, .96);
  transition: box-shadow .3s ease, background-color .3s ease;
}
.site-header.scrolled {
  background: var(--navy);
  box-shadow: 0 4px 18px rgba(0, 0, 0, .25);
}

.header-inner {
  max-width: 1880px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 4px; color: var(--white); }
.logo img { width: 74px; height: auto; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-family: var(--serif); font-weight: 400; font-size: 21px; letter-spacing: .5px; }
.logo-text small { font-family: var(--serif); font-size: 12px; }

.main-nav > ul { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s ease;
}
.main-nav a:hover { color: var(--cyan); }
.main-nav .fa-chevron-down { font-size: 10px; margin-left: 4px; }

/* Mega menu: full-width panel with product thumbnails */
.has-dropdown { position: static; }
.dropdown {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  width: 100%;
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 34px max(24px, calc((100% - 1280px) / 2)) 40px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 22px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, .2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
}
.dropdown::before {
  content: ""; position: absolute; top: -40px; left: 0; right: 0; height: 40px;
}
.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li { opacity: 0; transform: translateY(14px); transition: opacity .35s ease, transform .35s ease; }
.has-dropdown:hover .dropdown li,
.has-dropdown.open .dropdown li { opacity: 1; transform: none; }
.has-dropdown:hover .dropdown li:nth-child(2) { transition-delay: .05s; }
.has-dropdown:hover .dropdown li:nth-child(3) { transition-delay: .1s; }
.has-dropdown:hover .dropdown li:nth-child(4) { transition-delay: .15s; }
.has-dropdown:hover .dropdown li:nth-child(5) { transition-delay: .2s; }
.has-dropdown:hover .dropdown li:nth-child(6) { transition-delay: .25s; }
.dropdown a {
  display: flex; flex-direction: column; gap: 12px;
  color: var(--white); font-size: 15px; font-weight: 500; text-align: center;
}
.dropdown img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 6px; background: #2a3644;
  transition: transform .4s ease, box-shadow .4s ease;
}
.dropdown a:hover { color: var(--cyan); }
.dropdown a:hover img { transform: translateY(-4px); box-shadow: 0 10px 22px rgba(0, 0, 0, .45); }

.nav-mobile-cta { display: none; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--white); margin: 6px 0;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + 150px);
  text-align: center;
}
.hero-bg {
  position: absolute;
  inset: 0 0 auto 0;
  height: calc(100% - 520px);
  min-height: 560px;
  background:
    linear-gradient(rgba(32, 43, 55, .95), rgba(32, 43, 55, .95)),
    url("../images/hero-bg.jpg") center / cover no-repeat;
  z-index: -1;
}
.hero-content { padding-bottom: 120px; }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 5.4vw, 84px);
  line-height: 1.1;
  color: var(--white);
}
.hero h1 em { color: var(--cyan); }
.hero-sub {
  margin: 22px 0 0;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .5px;
  font-size: clamp(13px, 1.1vw, 17px);
}
.hero-media img {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  aspect-ratio: 1200 / 675;
  object-fit: cover;
}

/* ---------- Section titles ---------- */
.section-title {
  font-family: var(--serif);
  font-size: clamp(34px, 3.6vw, 54px);
  line-height: 1.15;
  color: var(--navy);
}
.section-title em { display: block; color: var(--cyan); }

/* ---------- Why choose ---------- */
.why { padding: 100px 0 110px; }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1248px;
}
.why-text { font-size: 14.5px; max-width: 600px; }
.why-text strong { color: #111; }

/* ---------- Products ---------- */
.products { background: var(--grey-bg); padding: 90px 0 140px; }
.products-head { max-width: 1160px; margin: 0 auto 40px; padding: 0 0 0 40px; }
.products-head .section-title { font-size: clamp(32px, 3.2vw, 48px); margin-bottom: 18px; }
.products-head p { font-size: 14px; margin: 0; }

.product-row {
  display: grid;
  grid-template-columns: 540px 1fr 260px;
  align-items: center;
  gap: 60px;
  padding: 60px 0;
  border-bottom: 1px solid var(--grey-line);
  max-width: 1200px;
  margin: 0 auto;
}
.product-row:first-of-type { padding-top: 0; }
.product-row:last-of-type { border-bottom: 0; padding-bottom: 0; }

.product-photo {
  width: 100%;
  aspect-ratio: 540 / 383;
  object-fit: cover;
}
.product-info h3 {
  font-size: 19px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 14px;
}
.product-info p { font-size: 14px; max-width: 300px; margin-bottom: 18px; }
.product-thumb {
  width: 100%;
  aspect-ratio: 260 / 193;
  object-fit: contain;
  background: var(--white);
}

/* ---------- Industries ---------- */
.industries { padding: 100px 0; }
.industries-box { max-width: 1200px; margin: 0 auto; border: 1px solid #cfd3d8; }
.industries-head {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 36px 24px 30px;
}
.industries-head h2 { font-family: var(--serif); font-size: clamp(30px, 3vw, 46px); line-height: 1.2; }
.industries-head h2 em { color: var(--cyan); }
.industries-head p { font-size: 14px; margin: 10px 0 0; }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.industries-grid li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 140px;
  border-right: 1px solid #cfd3d8;
  border-bottom: 1px solid #cfd3d8;
  color: var(--navy);
  font-size: 14px;
  transition: background-color .25s ease, color .25s ease;
}
.industries-grid li:nth-child(4n) { border-right: 0; }
.industries-grid li:nth-last-child(-n+4) { border-bottom: 0; }
.industries-grid i { font-size: 26px; }
.industries-grid li:hover { background: var(--navy); color: var(--white); }

/* ---------- CTA ---------- */
.cta { background: var(--grey-bg); padding: 90px 0 80px; text-align: center; }
.cta h2 { font-family: var(--serif); font-size: clamp(26px, 2.6vw, 38px); color: var(--navy); margin-bottom: 14px; }
.cta p { font-size: 14px; }
.cta-form { max-width: 1140px; margin: 30px auto 0; }
.cta-form input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid #d5d5d5;
  background: var(--white);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text);
}
.cta-form input:focus { outline: none; border-color: var(--blue); }
.cta-form input.invalid { border-color: #d93025; }
.btn-submit {
  margin-top: 22px;
  background: var(--blue);
  color: var(--white);
  font-size: 14px;
  padding: 9px 0;
  width: 200px;
  justify-content: center;
}
.btn-submit:hover { background: #0a4fd4; }
.form-msg { min-height: 1.5em; margin: 14px 0 0; font-size: 14px; }
.form-msg.error { color: #d93025; }
.form-msg.success { color: #137333; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: var(--white); padding-top: 0; }
.footer-top { display: grid; grid-template-columns: 742px 1fr; }
.footer-image { padding: 0 0 0 16px; }
.footer-image img { width: 100%; height: 100%; object-fit: cover; }

.footer-content { padding: 110px 40px 60px 160px; display: flex; flex-direction: column; }
.footer-tagline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-tagline h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(26px, 2.4vw, 38px);
  line-height: 1.3;
  color: var(--cyan);
  max-width: 600px;
}
.btn-inquiry {
  flex-shrink: 0;
  margin-top: 70px;
  background: var(--blue);
  color: var(--white);
  font-size: 13px;
  padding: 7px 18px;
}

.footer-details {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  padding-top: 50px;
}
.footer-contact a,
.footer-contact address {
  display: block;
  font-style: normal;
  font-size: 22px;
  line-height: 1.45;
  margin-bottom: 14px;
}
.footer-contact address {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.9);
}
.footer-contact address strong {
  color: var(--cyan);
  font-weight: 600;
}
.footer-addr-secondary {
  display: inline-block;
  margin-top: 6px;
}
.footer-contact a:hover { color: var(--cyan); }

.footer-links { text-align: right; }
.footer-links a { font-size: 19px; line-height: 1.9; }
.footer-links a:hover { color: var(--cyan); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 60px;
  font-size: 12px;
}
.footer-bottom p { margin: 0; }
.social { display: flex; gap: 22px; font-size: 16px; }
.social a:hover { color: var(--cyan); }

.footer-brand {
  font-family: var(--sans);
  font-weight: 600;
  color: var(--cyan);
  text-align: center;
  font-size: clamp(30px, 10.2vw, 205px);
  line-height: 1;
  letter-spacing: -2px;
  padding: 90px 0 30px;
  white-space: nowrap;
  overflow: hidden;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.show { display: flex; }
.modal-overlay { position: absolute; inset: 0; background: rgba(15, 22, 30, .75); }
.modal-box {
  position: relative;
  background: var(--white);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}
.modal-images { display: grid; gap: 1px; background: #eee; }
.modal-images img { width: 100%; height: 100%; object-fit: cover; }
.modal-images #modalProduct { object-fit: contain; background: var(--white); max-height: 200px; }
.modal-body { padding: 44px 36px; }
.modal-body h3 { font-family: var(--serif); font-size: 32px; color: var(--navy); margin-bottom: 16px; line-height: 1.2; }
.modal-body p { font-size: 14.5px; margin-bottom: 26px; }
.modal-close {
  position: absolute; top: 10px; right: 12px;
  width: 38px; height: 38px;
  border: 0; border-radius: 50%;
  background: var(--navy); color: var(--white);
  cursor: pointer; font-size: 16px; z-index: 2;
}
body.modal-open { overflow: hidden; }

/* ---------- Back to top ---------- */
.back-top {
  position: fixed;
  right: 29px; bottom: 96px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 90;
  box-shadow: 0 6px 16px rgba(0, 0, 0, .25);
}
.back-top.show { display: flex; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1500px) {
  .footer-top { grid-template-columns: 45% 1fr; }
  .footer-content { padding: 80px 40px 50px 70px; }
}

@media (max-width: 1200px) {
  .product-row { grid-template-columns: 1.6fr 1fr .8fr; gap: 36px; }
  .footer-contact a { font-size: 19px; }
  .footer-contact address, .footer-links a { font-size: 16px; }
}

@media (max-width: 1280px) and (min-width: 1025px) {
  .dropdown { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  :root { --header-h: 70px; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .logo img { width: 58px; }
  .logo-text strong { font-size: 18px; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--navy);
    padding: 10px 24px 28px;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    display: none;
    border-top: 1px solid rgba(255, 255, 255, .1);
  }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav > ul > li > a {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }
  .dropdown {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    box-shadow: none; background: transparent;
    display: none; padding: 4px 0 8px 14px;
    grid-template-columns: 1fr; gap: 0;
  }
  .dropdown::before { display: none; }
  .dropdown li { opacity: 1; transform: none; }
  .has-dropdown:hover .dropdown { display: none; }
  .has-dropdown.open .dropdown { display: grid; }
  .dropdown a { flex-direction: row; align-items: center; gap: 14px; text-align: left; color: rgba(255, 255, 255, .85); padding: 8px 0; }
  .dropdown img { width: 64px; aspect-ratio: 1; flex: none; }
  .dropdown a:hover { background: transparent; color: var(--cyan); }
  .dropdown a:hover img { transform: none; box-shadow: none; }
  .nav-mobile-cta { display: inline-flex; margin-top: 22px; }

  .why-grid { grid-template-columns: 1fr; gap: 30px; }
  .why-text { max-width: none; }
  .products-head { padding-left: 0; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-image { padding: 0; }
  .footer-image img { max-height: 420px; }
  .footer-content { padding: 60px 24px 40px; }
}

@media (max-width: 768px) {
  .hero { padding-top: calc(var(--header-h) + 90px); }
  .hero-content { padding-bottom: 70px; }
  .hero-bg { height: calc(100% - 160px); min-height: 0; }
  .why { padding: 70px 0; }
  .products { padding: 70px 0 90px; }

  .product-row {
    grid-template-columns: 1fr 140px;
    grid-template-areas:
      "photo photo"
      "info thumb";
    gap: 20px;
    padding: 40px 0;
  }
  .product-photo { grid-area: photo; }
  .product-info { grid-area: info; }
  .product-thumb { grid-area: thumb; align-self: start; }

  .industries { padding: 70px 0; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid li:nth-child(4n) { border-right: 1px solid #cfd3d8; }
  .industries-grid li:nth-child(2n) { border-right: 0; }
  .industries-grid li:nth-last-child(-n+4) { border-bottom: 1px solid #cfd3d8; }
  .industries-grid li:nth-last-child(-n+2) { border-bottom: 0; }

  .cta { padding: 70px 0; }
  .footer-tagline { flex-direction: column; }
  .btn-inquiry { margin-top: 0; }
  .footer-details { flex-direction: column; align-items: flex-start; }
  .footer-links { text-align: left; display: flex; flex-wrap: wrap; gap: 6px 22px; }
  .footer-bottom { flex-direction: column-reverse; gap: 16px; align-items: flex-start; }
  .footer-brand { padding: 60px 0 20px; letter-spacing: -1px; font-size: 9.4vw; }

  .modal-box { grid-template-columns: 1fr; }
  .modal-images img:first-child { max-height: 240px; }
  .modal-body { padding: 28px 22px; }
}

@media (max-width: 420px) {
  .logo-text small { display: none; }
  .product-row { grid-template-columns: 1fr; grid-template-areas: "photo" "info"; }
  .product-thumb { display: none; }
  .footer-contact a { font-size: 17px; }
}

/* ---------- Hero banner animation ---------- */
.hero { overflow: hidden; }
.hero-bg { animation: heroZoom 18s ease-in-out infinite alternate; }
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.12); } }
.hero-fx { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-fx span {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: .35;
  background: var(--cyan); animation: drift 14s ease-in-out infinite alternate;
}
.hero-fx span:nth-child(1) { width: 380px; height: 380px; left: -80px; top: 18%; }
.hero-fx span:nth-child(2) { width: 300px; height: 300px; right: -60px; top: 8%; background: var(--blue); animation-duration: 18s; }
.hero-fx span:nth-child(3) { width: 220px; height: 220px; left: 45%; top: 40%; background: var(--indigo); animation-duration: 22s; }
.hero-fx span:nth-child(4), .hero-fx span:nth-child(5) {
  width: 8px; height: 8px; filter: none; opacity: .7; background: #fff;
  box-shadow: 0 0 14px 4px rgba(31, 182, 232, .8); animation: rise 9s linear infinite;
  top: auto; bottom: 30%; left: 20%;
}
.hero-fx span:nth-child(5) { left: 75%; animation-duration: 12s; animation-delay: -4s; }
@keyframes drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(60px, 40px) scale(1.25); } }
@keyframes rise { from { transform: translateY(0); opacity: 0; } 20% { opacity: .8; } to { transform: translateY(-380px); opacity: 0; } }

.hero h1 .w { display: inline-block; animation: wordIn .9s cubic-bezier(.22, .7, .2, 1) backwards; animation-delay: calc(.2s + var(--i) * .18s); }
@keyframes wordIn { from { opacity: 0; transform: translateY(50px); filter: blur(8px); } }
.hero-sub { animation: fadeUp .9s ease .9s backwards; }
.hero-actions { margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; animation: fadeUp .9s ease 1.1s backwards; }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .6); color: var(--white); font-size: 14px; padding: 10px 22px; background: transparent; }
.btn-ghost:hover { background: var(--white); color: var(--navy); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } }
.hero-media { animation: mediaIn 1.4s cubic-bezier(.22, .7, .2, 1) .6s backwards; }
@keyframes mediaIn { from { opacity: 0; clip-path: inset(18% 8% 0 8%); transform: translateY(60px) scale(.94); } }
.hero h1 em.w { position: relative; }
.hero h1 em.w::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px;
  background: var(--cyan); transform-origin: left; animation: underline 1s ease 1.2s backwards;
}
@keyframes underline { from { transform: scaleX(0); } }

/* ---------- Inner pages ---------- */
.page-hero {
  position: relative; overflow: hidden; text-align: center; color: var(--white);
  padding: calc(var(--header-h) + 80px) 0 80px;
  background: linear-gradient(rgba(32, 43, 55, .95), rgba(32, 43, 55, .95)), url("../images/hero-bg.jpg") center / cover no-repeat;
}
.page-hero h1 { font-family: var(--serif); font-size: clamp(36px, 4.6vw, 64px); line-height: 1.12; animation: fadeUp .8s ease .1s backwards; }
.page-hero h1 em { color: var(--cyan); }
.page-hero p { max-width: 640px; margin: 14px auto 0; animation: fadeUp .8s ease .3s backwards; }
.crumbs { font-size: 13px; opacity: .85; margin-bottom: 14px; animation: fadeUp .8s ease backwards; }
.crumbs a:hover { color: var(--cyan); }
.page-hero .hero-fx { z-index: 0; }
.page-hero .container { position: relative; z-index: 1; }

.section { padding: 90px 0; }
.section.alt { background: var(--grey-bg); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split img { width: 100%; border-radius: 6px; aspect-ratio: 4 / 3; object-fit: cover; }
.split .tag { color: var(--cyan); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; font-size: 13px; }
.split h2 { font-family: var(--serif); font-size: clamp(30px, 3vw, 44px); color: var(--navy); line-height: 1.15; margin: 8px 0 18px; }
.checks li { position: relative; padding-left: 28px; margin-bottom: 8px; }
.checks li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; color: var(--cyan); }

.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card { background: var(--white); border-radius: 8px; overflow: hidden; box-shadow: 0 6px 22px rgba(0, 0, 0, .08); transition: transform .35s ease, box-shadow .35s ease; display: flex; flex-direction: column; }
.cat-card:hover { transform: translateY(-8px); box-shadow: 0 16px 34px rgba(0, 0, 0, .16); }
.cat-card .im { overflow: hidden; aspect-ratio: 4 / 3; background: #f2f5fb; }
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.cat-card:hover img { transform: scale(1.08); }
.cat-card .bd { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; align-items: flex-start; }
.cat-card h3 { font-size: 18px; font-weight: 500; text-transform: uppercase; color: var(--navy); margin-bottom: 8px; }
.cat-card p { font-size: 14px; flex: 1; }

.model-group { margin-bottom: 60px; }
.model-group:last-child { margin-bottom: 0; }
.model-group h2 { font-family: var(--serif); font-size: clamp(24px, 2.4vw, 34px); color: var(--navy); margin-bottom: 24px; padding-bottom: 12px; border-bottom: 2px solid var(--cyan); display: inline-block; }
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.model-card { background: var(--white); border: 1px solid #e1e4e8; border-radius: 8px; overflow: hidden; text-align: center; transition: transform .3s ease, box-shadow .3s ease, border-color .3s; }
.model-card:hover { transform: translateY(-6px); box-shadow: 0 14px 28px rgba(0, 0, 0, .12); border-color: var(--cyan); }
.model-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #fff; padding: 14px; }
.model-card .bd { padding: 14px 16px 20px; border-top: 1px solid #eef0f3; }
.model-card strong { display: block; font-size: 18px; color: var(--navy); letter-spacing: .5px; }
.model-card span { display: block; font-size: 13px; margin-bottom: 12px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats div { padding: 28px 12px; background: var(--navy); color: var(--white); border-radius: 8px; }
.stats strong { display: block; font-family: var(--serif); font-size: 38px; color: var(--cyan); line-height: 1.1; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; align-items: start; }
.contact-info li { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-info i { width: 46px; height: 46px; flex: none; border-radius: 50%; background: var(--navy); color: var(--cyan); display: grid; place-items: center; }
.contact-info strong { display: block; color: var(--navy); }
.contact-form { display: grid; gap: 16px; }
.contact-form input, .contact-form textarea {
  width: 100%; font: inherit; padding: 13px 16px; border: 1px solid #cfd3d8; border-radius: 6px; background: var(--white);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 0; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(31, 182, 232, .2); }
.contact-form .invalid { border-color: #d33; }
.contact-form button { justify-self: start; background: var(--blue); color: #fff; font-size: 15px; padding: 12px 30px; }
.contact-form .form-msg.error { color: #d33; }
.contact-form .form-msg.success { color: #1a8a4a; }

@media (max-width: 1024px) {
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cat-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}

/* ---------- Scroll animations ---------- */
.js .reveal { opacity: 0; }
.js .reveal.in { opacity: 1; animation: revealUp .8s cubic-bezier(.22, .7, .2, 1) backwards; animation-delay: var(--d, 0s); }
.js .reveal.from-left.in { animation-name: revealLeft; }
.js .reveal.from-right.in { animation-name: revealRight; }
.js .reveal.zoom.in { animation-name: revealZoom; }
@keyframes revealUp { from { opacity: 0; transform: translateY(40px); } }
@keyframes revealLeft { from { opacity: 0; transform: translateX(-60px); } }
@keyframes revealRight { from { opacity: 0; transform: translateX(60px); } }
@keyframes revealZoom { from { opacity: 0; transform: scale(.85); } }

.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%;
  background: var(--cyan); transform: scaleX(0); transform-origin: left;
  z-index: 200; pointer-events: none;
}
.hero-media img { will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal.in { opacity: 1; animation: none; }
  .hero-bg, .hero-fx span, .hero h1 .w, .hero-media, .hero-sub, .hero-actions { animation: none !important; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

@media (max-width: 900px) { .model-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .model-grid { grid-template-columns: 1fr; } }

.pd .gallery img#pdMain { aspect-ratio: 1 / 1; padding: 20px; }
.pd .thumbs { display: flex; gap: 12px; margin-top: 12px; }
.pd .thumbs button { width: 84px; padding: 0; border: 2px solid transparent; border-radius: 6px; background: none; cursor: pointer; overflow: hidden; opacity: .7; transition: opacity .2s, border-color .2s; }
.pd .thumbs button.on, .pd .thumbs button:hover { border-color: var(--cyan); opacity: 1; }
.pd .thumbs img { aspect-ratio: 1; object-fit: cover; border-radius: 0; }
.pd-sub { font-family: var(--serif); font-size: 24px; color: var(--navy); margin: 22px 0 12px; }
.spec-table { width: 100%; max-width: 760px; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid #e1e4e8; }
.spec-table th { width: 38%; color: var(--navy); font-weight: 500; background: #f6f8fb; }

/* Footer brand text: continuous marquee */
.footer-brand { text-align: left; }
.marquee-track { display: flex; width: max-content; animation: marquee 22s linear infinite; }
.footer-brand:hover .marquee-track { animation-play-state: paused; }
.marquee-group { display: flex; flex: none; align-items: center; }
.marquee-group span { padding-right: .25em; }
.marquee-group i { font-style: normal; font-size: .25em; color: var(--white); opacity: .5; padding-right: .5em; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none !important; } }

/* Animated blue background layers (hero + page banners) */
.hero-bg::before, .page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, rgba(6, 61, 169, .22), rgba(31, 182, 232, .08), rgba(46, 49, 146, .22), rgba(31, 182, 232, .08));
  background-size: 300% 300%;
  mix-blend-mode: screen;
  animation: blueShift 10s ease-in-out infinite alternate;
}
.hero-bg::after, .page-hero::after {
  content: ""; position: absolute; top: -20%; bottom: -20%; left: -40%; width: 40%; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .06), transparent);
  transform: skewX(-20deg);
  animation: beam 7s ease-in-out infinite;
}
.hero-bg { overflow: hidden; }
.page-hero > .container, .page-hero > .hero-fx { position: relative; z-index: 1; }
@keyframes blueShift { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
@keyframes beam { 0% { left: -40%; } 60%, 100% { left: 130%; } }
@media (prefers-reduced-motion: reduce) {
  .hero-bg::before, .hero-bg::after, .page-hero::before, .page-hero::after { animation: none !important; }
}

/* Header slide effect */
.site-header { transition: box-shadow .3s ease, background-color .3s ease, transform .45s cubic-bezier(.22, .7, .2, 1); animation: headerIn .8s cubic-bezier(.22, .7, .2, 1) backwards; }
.site-header.hide { transform: translateY(-100%); }
@keyframes headerIn { from { transform: translateY(-100%); } }
@media (prefers-reduced-motion: reduce) { .site-header { animation: none !important; } .site-header.hide { transform: none; } }

/* Product-themed hero background: drafts blocked by a brush seal */
.air { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.page-hero > .air { z-index: 0; }
.air span {
  position: absolute; left: -30%; height: 2px; width: 28%; border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(31, 182, 232, .75), transparent);
  animation: draft 7s linear infinite;
}
.air span:nth-child(1) { top: 12%; animation-duration: 6s; }
.air span:nth-child(2) { top: 24%; animation-duration: 9s; animation-delay: -3s; width: 20%; }
.air span:nth-child(3) { top: 36%; animation-duration: 7s; animation-delay: -5s; }
.air span:nth-child(4) { top: 48%; animation-duration: 10s; animation-delay: -1s; width: 34%; }
.air span:nth-child(5) { top: 60%; animation-duration: 8s; animation-delay: -6s; }
.air span:nth-child(6) { top: 72%; animation-duration: 6.5s; animation-delay: -2s; width: 22%; }
.air span:nth-child(7) { top: 84%; animation-duration: 9.5s; animation-delay: -4s; }
@keyframes draft { 0% { transform: translateX(0); opacity: 0; } 15% { opacity: 1; } 100% { transform: translateX(480%); opacity: 0; } }

.bristles { position: absolute; left: 0; right: 0; bottom: 0; height: 54px; pointer-events: none; z-index: 1; }
.bristles b {
  position: absolute; inset: 0; transform-origin: bottom center;
  background: repeating-linear-gradient(90deg, rgba(31, 182, 232, .8) 0 2px, transparent 2px 10px);
  -webkit-mask-image: linear-gradient(to top, #000, transparent);
  mask-image: linear-gradient(to top, #000, transparent);
  animation: sway 3.2s ease-in-out infinite alternate;
}
.bristles b:nth-child(2) {
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .45) 0 1px, transparent 1px 10px);
  background-position: 5px 0; height: 40px; top: auto; animation-duration: 4.4s; animation-direction: alternate-reverse;
}
@keyframes sway { from { transform: skewX(-7deg); } to { transform: skewX(7deg); } }
@media (prefers-reduced-motion: reduce) { .air span, .bristles b { animation: none !important; } }

/* ---------- Page loader ---------- */
.loader {
  position: fixed; inset: 0; z-index: 1000; background: #1a2330;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px;
  transition: opacity .6s ease, visibility .6s ease, transform .8s cubic-bezier(.77, 0, .18, 1);
  animation: loaderFallback .6s ease 6s forwards;
}
.loader.done { opacity: 0; visibility: hidden; transform: translateY(-100%); }
@keyframes loaderFallback { to { opacity: 0; visibility: hidden; } }
.loader-logo { position: relative; width: 130px; height: 130px; display: grid; place-items: center; }
.loader-logo img { width: 84px; height: auto; position: relative; animation: logoPop 1.6s cubic-bezier(.22, .7, .2, 1) infinite alternate; filter: drop-shadow(0 0 14px rgba(31, 182, 232, .6)); }
.loader-logo .ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid transparent; border-top-color: var(--cyan); border-right-color: var(--cyan);
  animation: spin 1.1s linear infinite;
}
.loader-logo .ring.r2 { inset: 12px; border-top-color: var(--blue); border-right-color: transparent; border-left-color: var(--blue); animation-duration: 1.7s; animation-direction: reverse; }
.loader-name { color: var(--white); font-family: var(--serif); letter-spacing: 6px; font-size: 18px; animation: fadeUp .9s ease .3s backwards; }
.loader-bar { width: 160px; height: 3px; background: rgba(255, 255, 255, .12); border-radius: 3px; overflow: hidden; }
.loader-bar i { display: block; height: 100%; width: 40%; background: var(--cyan); border-radius: 3px; animation: loadbar 1.2s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes logoPop { from { transform: scale(.88) rotate(-4deg); } to { transform: scale(1.06) rotate(4deg); } }
@keyframes loadbar { from { transform: translateX(-100%); } to { transform: translateX(400%); } }

/* Header logo animation */
.logo img { animation: logoIn 1s cubic-bezier(.22, .7, .2, 1) .5s backwards; }
@keyframes logoIn { from { opacity: 0; transform: rotate(-180deg) scale(.4); } }
@media (prefers-reduced-motion: reduce) { .loader-logo img, .loader-logo .ring, .loader-bar i, .logo img { animation: none !important; } }

/* ---------- Click cursor: Sohm icon ---------- */
html.clicking, html.clicking * { cursor: url("../images/cursor-soham.png") 20 20, pointer !important; }
.click-pop {
  position: fixed; z-index: 2000; width: 40px; height: 40px; margin: -20px 0 0 -20px; pointer-events: none;
  background: url("../images/cursor-soham.png") center / contain no-repeat;
  animation: clickPop .7s ease-out forwards;
}
@keyframes clickPop { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(2); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .click-pop { display: none; } }

/* Hover cursor: Sohm icon over links, buttons and other clickable items */
a, button, [role="button"], .btn, .cat-card, .model-card, .slide-dots button, .nav-toggle, label[for], select, summary {
  cursor: url("../images/cursor-soham.png") 20 20, pointer;
}

/* ---------- Hero banner video ---------- */
.hero-media .hero-video {
  display: block; width: 100%; max-width: 1200px; margin: 0 auto;
  aspect-ratio: 1200 / 675; object-fit: cover; background: #1a2330; border-radius: 6px;
}

/* ---------- WhatsApp floating button ---------- */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 95; height: 58px; min-width: 58px;
  display: flex; align-items: center; justify-content: center; gap: 0; padding: 0 15px;
  border-radius: 999px; background: #25d366; color: #fff; font-weight: 500; font-size: 15px;
  box-shadow: 0 8px 22px rgba(37, 211, 102, .45);
  transition: gap .3s ease, background-color .3s ease;
  animation: waPulse 2.4s ease-out infinite;
}
.whatsapp-float i { font-size: 32px; line-height: 1; }
.whatsapp-float .wa-label { max-width: 0; overflow: hidden; white-space: nowrap; transition: max-width .35s ease; }
.whatsapp-float:hover { background: #1ebe5b; gap: 10px; }
.whatsapp-float:hover .wa-label { max-width: 140px; }
@keyframes waPulse { 0% { box-shadow: 0 8px 22px rgba(37, 211, 102, .45), 0 0 0 0 rgba(37, 211, 102, .5); } 70%, 100% { box-shadow: 0 8px 22px rgba(37, 211, 102, .45), 0 0 0 18px rgba(37, 211, 102, 0); } }
@media (prefers-reduced-motion: reduce) { .whatsapp-float { animation: none; } }

/* ---------- Big hero headline: line-mask reveal (slide up + skew) ---------- */
.hero h1 { font-size: clamp(54px, 11vw, 190px); line-height: .98; letter-spacing: -.02em; }
.hero h1 .line { display: block; overflow: hidden; padding: .06em 0 .1em; }
.hero h1 .w {
  display: inline-block; transform-origin: left bottom;
  animation: lineUp 1.2s cubic-bezier(.16, 1, .3, 1) calc(.35s + var(--i) * .16s) backwards;
}
.hero h1 em.w::after { bottom: .02em; height: 4px; }
@keyframes lineUp { from { transform: translateY(115%) skewY(8deg); opacity: 0; } to { transform: none; opacity: 1; } }
@media (max-width: 768px) { .hero h1 { font-size: clamp(44px, 15vw, 90px); } }
@media (prefers-reduced-motion: reduce) { .hero h1 .w { animation: none !important; } }

/* ---------- Hero headline marquee ---------- */
.hero h1.hero-marquee {
  width: 100vw; margin-left: calc(50% - 50vw); overflow: hidden; white-space: nowrap;
  font-size: clamp(36px, 6vw, 100px); line-height: 1.1; letter-spacing: -.01em;
  animation: fadeUp .9s ease .3s backwards;
}
.hm-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.hero-marquee:hover .hm-track { animation-play-state: paused; }
.hm-group { display: flex; flex: none; align-items: center; }
.hm-group span, .hm-group em { padding-right: .3em; }
.hm-group em { color: var(--cyan); font-style: italic; }
.hm-group i { font-style: normal; font-size: .3em; color: var(--cyan); padding-right: .8em; }
@media (prefers-reduced-motion: reduce) { .hm-track { animation: none !important; } }

/* ---------- New hero background animation: aurora + dot grid + pulsing rings ---------- */
.hero-bg::before, .hero-bg::after, .page-hero::before, .page-hero::after,
.air, .bristles, .hero-fx span:nth-child(n+4) { display: none !important; }
.hero-bg { animation: none; }

.hero-fx::before {
  content: ""; position: absolute; left: 50%; top: 38%; width: 90vmax; height: 90vmax; margin: -45vmax 0 0 -45vmax;
  background: conic-gradient(from 0deg, rgba(31, 182, 232, .0), rgba(31, 182, 232, .28), rgba(6, 61, 169, .0) 35%, rgba(46, 49, 146, .3) 55%, rgba(31, 182, 232, 0) 80%, rgba(31, 182, 232, .28));
  filter: blur(70px); animation: aurora 24s linear infinite;
}
.hero-fx::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .22) 1.2px, transparent 1.6px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 0%, transparent 70%);
  animation: gridMove 14s linear infinite;
}
.hero-fx span:nth-child(-n+3) {
  left: 50%; top: 38%; right: auto; bottom: auto; width: 60vmin; height: 60vmin; margin: -30vmin 0 0 -30vmin;
  background: transparent; filter: none; opacity: 0; border: 1.5px solid rgba(31, 182, 232, .6); border-radius: 50%;
  animation: ringPulse 7.5s ease-out infinite;
}
.hero-fx span:nth-child(2) { animation-delay: 2.5s; border-color: rgba(255, 255, 255, .35); }
.hero-fx span:nth-child(3) { animation-delay: 5s; }
@keyframes aurora { to { transform: rotate(360deg); } }
@keyframes gridMove { to { background-position: 34px 34px; } }
@keyframes ringPulse { 0% { transform: scale(.15); opacity: 0; } 15% { opacity: .8; } 100% { transform: scale(2.4); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .hero-fx::before, .hero-fx::after, .hero-fx span { animation: none !important; } }