*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg: #ffffff;
  --surface: #f5f5f7;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0071e3;
  --border: rgba(0,0,0,.08);
  --modal-overlay: rgba(255,255,255,0.4);
  
  --radius: 18px;
  --serif: 'DM Serif Display',Georgia,serif;
  --sans: 'DM Sans',system-ui,sans-serif;
  --ease: cubic-bezier(.25,.46,.45,.94);
  --theme-transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}

[data-theme="dark"] {
  --bg: #0a0a0a;
  --surface: #141415;
  --ink: #f5f5f7;
  --muted: #a1a1a6;
  --accent: #2997ff; 
  --border: rgba(255,255,255,.1);
  --modal-overlay: rgba(0,0,0,0.6);
}

html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition: var(--theme-transition); 
}

/* === Announce Bar === */
.announce{background:#1d1d1f;color:rgba(255,255,255,.78);font-size:11px;letter-spacing:.14em;text-transform:uppercase;padding:9px 0;overflow:hidden}
.announce-track{display:inline-flex;gap:64px;white-space:nowrap;animation:ticker 22s linear infinite}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* === Navigation === */
nav{position:fixed;top:0;width:100%;z-index:9999;transition:background .4s,border-color .4s}
nav.on-hero{background:transparent;border-bottom:1px solid rgba(255,255,255,.1)}
nav.scrolled{background:var(--bg);opacity:0.96;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 40px;height:54px;display:flex;align-items:center;justify-content:space-between}

.logo{
  text-decoration:none;
  display:flex;
  align-items:center;
}
.logo-img {
  height: 30px;
  width: auto;
  display: block;
  transition: filter 0.4s var(--ease);
}
nav.on-hero .logo .logo-img {
  filter: invert(1) brightness(2);
}

.nav-right { display: flex; align-items: center; gap: 24px; }
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s}
nav.on-hero .nav-links a{color:rgba(255,255,255,.7)}
nav.on-hero .nav-links a:hover{color:#fff}
.nav-links a:hover{color:var(--ink)}

.theme-toggle {
  background: transparent; border: none; cursor: pointer; color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%; transition: background 0.2s, color 0.2s;
}
nav.on-hero .theme-toggle { color: #fff; }
.theme-toggle:hover { background: var(--surface); color: var(--ink); }
nav.on-hero .theme-toggle:hover { background: rgba(255,255,255,0.1); color: #fff; }
.sun-icon { display: none; }
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }

/* === HERO === */
.hero{position:relative;width:100%;height:100vh;min-height:620px;overflow:hidden;background:#080808}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .95s var(--ease)}
.hero-slide.active{opacity:1}

.slide-bg{position:absolute;inset:0;transform:scale(1.07);transition:transform 7s ease-out;filter:brightness(1)}
.slide-bg img{width:100%;height:100%;object-fit:cover;display:block}

.hero-slide.active .slide-bg{transform:scale(1)}
.hero-slide::after{content:'';position:absolute;inset:0;background:linear-gradient(to right,rgba(0,0,0,.4) 0%,transparent 55%),linear-gradient(to top,rgba(0,0,0,.5) 0%,transparent 52%)}
.slide-content{position:absolute;bottom:140px;left:60px;z-index:10;color:#fff}
.slide-num{font-size:11px;letter-spacing:.22em;color:rgba(255,255,255,.45);margin-bottom:14px;opacity:0;transform:translateY(14px);transition:opacity .55s .2s,transform .55s .2s}
.hero-slide.active .slide-num{opacity:1;transform:translateY(0)}
.slide-title{font-family:var(--serif);font-size:clamp(46px,6.5vw,88px);line-height:1.05;letter-spacing:-.02em;max-width:520px;opacity:0;transform:translateY(22px);transition:opacity .7s .35s,transform .7s .35s}
.hero-slide.active .slide-title{opacity:1;transform:translateY(0)}
.slide-sub{position:absolute;bottom:140px;right:60px;z-index:10;text-align:right;color:#fff;opacity:0;transform:translateY(14px);transition:opacity .6s .52s,transform .6s .52s}
.hero-slide.active .slide-sub{opacity:1;transform:translateY(0)}
.slide-sub p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.65;max-width:230px;margin-bottom:18px}
.slide-sub a{display:inline-block;border:1px solid rgba(255,255,255,.4);padding:11px 28px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:#fff;text-decoration:none;backdrop-filter:blur(4px);background:rgba(255,255,255,.05);transition:background .3s,border-color .3s}
.slide-sub a:hover{background:rgba(255,255,255,.16);border-color:#fff}

.hero-thumbs{position:absolute;bottom:44px;left:60px;z-index:20;display:flex;align-items:center;gap:10px}
.thumb-num{font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.35);margin-right:6px}
.thumb{width:68px;height:46px;overflow:hidden;cursor:pointer;border-radius:4px;border:1.5px solid transparent;opacity:.4;transition:opacity .4s,border-color .3s,transform .3s}
.thumb.active{opacity:1;border-color:rgba(255,255,255,.85);transform:scaleY(1.06)}
.thumb:hover{opacity:.78}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.hero-bar{position:absolute;bottom:0;left:0;height:2px;background:rgba(255,255,255,.65);width:0;z-index:30}
.hero-bar.run{width:100%;transition:width 5s linear}

/* === Shared ========================================== */
.wrap{max-width:1200px;margin:0 auto;padding:110px 40px}
.label{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.h2{font-family:var(--serif);font-size:clamp(34px,4.5vw,56px);letter-spacing:-.02em;line-height:1.1}
.sub{font-size:16px;color:var(--muted);line-height:1.65;margin-top:12px;max-width:480px}
.reveal{opacity:0;transform:translateY(34px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* === ABOUT =========================================== */
#about{border-top:1px solid var(--border)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-img{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:var(--surface)}
.about-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease)}
.about-img:hover img{transform:scale(1.03)}
.about-copy .sub{max-width:100%}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;padding-top:36px;border-top:1px solid var(--border)}
.stat-n{font-family:var(--serif);font-size:38px;letter-spacing:-.02em}
.stat-l{font-size:12px;color:var(--muted);margin-top:4px;letter-spacing:.04em}

/* === PARTNERS === */
.partners-section {
  padding: 50px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  transition: var(--theme-transition);
}
.partners-wrap {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.partners-wrap::before, .partners-wrap::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; width: 100px;
  z-index: 2;
  pointer-events: none;
}
.partners-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}
.partners-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}
.partners-track {
  display: flex;
  gap: 90px;
  width: max-content;
  align-items: center;
}
.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  opacity: 0.45;
  transition: opacity 0.3s;
  color: var(--ink);
}
.partner-logo:hover {
  opacity: 0.9;
}
.partner-logo svg {
  height: 100%;
  width: auto;
  display: block;
}
.partner-logo img {
  height: 100%;
  width: auto;
  display: block;
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === SCENARIOS ======================================= */
#scenarios{background:var(--surface)}
.sc-header{text-align:center;margin-bottom:56px}
.sc-header .sub{margin:12px auto 0;white-space:nowrap}
.sc-top{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}
.sc-bot{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.sc-card{background:var(--bg);border-radius:16px;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;transition:box-shadow .35s var(--ease),transform .35s var(--ease), background 0.4s; border:1px solid transparent;}
[data-theme="dark"] .sc-card { border-color: var(--border); }
.sc-card:hover{box-shadow:0 18px 50px rgba(0,0,0,.09);transform:translateY(-3px)}
[data-theme="dark"] .sc-card:hover { box-shadow:0 18px 50px rgba(0,0,0,.4); }
.sc-body{padding:26px 26px 16px}
.sc-tag{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.sc-title{font-family:var(--serif);font-size:22px;line-height:1.25;margin-bottom:14px}
.sc-link{font-size:12px;color:var(--accent);text-decoration:none}
.sc-link:hover{text-decoration:underline}
.sc-img{width:100%;height:190px;object-fit:cover;display:block;background:var(--surface)}
.sc-bot .sc-img{height:240px}

/* === PRODUCTS ======================================== */
.prod-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:52px;flex-wrap:wrap;gap:20px}
.view-all{font-size:13px;color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:1px;transition:opacity .2s}
.view-all:hover{opacity:.6}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod-card{position:relative; border-radius:var(--radius);background:var(--surface);overflow:hidden;cursor:pointer;transition:transform .4s var(--ease),box-shadow .4s var(--ease); border: 1px solid var(--border);}

.prod-card::after { 
  content: 'View Details'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.6); color: #fff; padding: 10px 20px; border-radius: 30px; font-size: 13px;
  opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.prod-card:hover::after { opacity: 1; }
.prod-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,.09)}
[data-theme="dark"] .prod-card:hover { box-shadow:0 24px 60px rgba(0,0,0,.4); }
.prod-img-box{width:100%;aspect-ratio:4/3;background:var(--border);overflow:hidden}
.prod-img-box img{width:100%;height:100%;object-fit:cover;display:block}
.prod-info{padding:20px 22px 24px}
.prod-name{font-family:var(--serif);font-size:18px;margin-bottom:6px}
.prod-desc{font-size:13px;color:var(--muted);line-height:1.55;margin-bottom:18px}
.prod-foot{display:flex;align-items:center;justify-content:space-between}
.prod-tags-box { display: flex; gap: 6px; flex-wrap: wrap; max-width: 80%; }
.prod-tag{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);background:var(--border);padding:4px 10px;border-radius:20px; white-space: nowrap;}
.prod-arr{width:32px;height:32px;background:var(--ink);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--bg);font-size:13px;transition:background .2s}
.prod-card:hover .prod-arr{background:var(--accent);color:#fff;}

/* === CONTACT ========================================= */
#contact{background:var(--surface);padding:110px 24px;text-align:center}
.contact-in{max-width:560px;margin:0 auto}
.contact-in .sub{margin:12px auto 44px;text-align:center}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field{width:100%;padding:15px 18px;border:1.5px solid var(--border);border-radius:12px;font-family:var(--sans);font-size:14px;color:var(--ink);background:var(--bg);outline:none;transition:border-color .2s, background .4s, color .4s}
.field:focus{border-color:var(--accent)}
textarea.field{resize:none;height:130px;margin-bottom:14px}
.submit{background:var(--ink);color:var(--bg);border:none;padding:15px 44px;border-radius:30px;font-family:var(--sans);font-size:15px;font-weight:500;cursor:pointer;transition:opacity .2s, transform 0.2s}
.submit:hover{opacity:.8; transform:scale(0.98)}
.captcha-row{display:flex;gap:12px;margin-bottom:14px}
.captcha-input{flex:1}
.captcha-img{width:120px;height:40px;border:1.5px solid var(--border);border-radius:12px;cursor:pointer;transition:opacity .2s}
.captcha-img:hover{opacity:.8}

/* === Footer ========================================= */
.footer{max-width:1200px;margin:0 auto;padding:44px 40px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;border-top:1px solid var(--border)}
.footer-logo{
  display:flex;
  align-items:center;
}
.footer-copy{font-size:12px;color:var(--muted)}

.footer-links { display: flex; gap: 14px; list-style: none; align-items: center; }
.social-link { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--surface); transition: background 0.2s, transform 0.2s; border: 1px solid var(--border); }
.social-link:hover { background: var(--border); transform: scale(1.08); }
.social-icon { width: 18px; height: 18px; color: var(--muted); transition: color 0.2s; }
.social-link:hover .social-icon { color: var(--ink); }

/* === Modal ========================================= */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100000;
  background: var(--modal-overlay);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s var(--ease);
  padding: 20px;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal-content {
  background: var(--bg); border: 1px solid var(--border);
  width: 100%; max-width: 480px; 
  border-radius: 24px;
  overflow: hidden; position: relative;
  transform: translateY(30px) scale(0.95);
  transition: transform 0.4s var(--ease);
  box-shadow: 0 40px 80px rgba(0,0,0,0.2);
  display: flex; flex-direction: column;
}
.modal-overlay.active .modal-content { transform: translateY(0) scale(1); }

.modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 15;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.8); border: none; color: #1d1d1f;
  font-size: 20px; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, transform 0.2s; backdrop-filter: blur(4px);
}
.modal-close:hover { background: #fff; transform: rotate(90deg); }

.modal-top { position: relative; }

.modal-carousel {
  position: relative;
  width: 100%;
  height: 320px;
  background: var(--surface);
  overflow: hidden;
}
.modal-slides-container {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.modal-slides {
  display: flex;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
}
.modal-slide-img {
  height: 100%;
  object-fit: cover;
  display: block;
}
.m-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(0,0,0,0.08);
  color: #1d1d1f;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
  z-index: 10;
}
.m-carousel-btn:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.05);
}
.m-carousel-btn:active {
  transform: translateY(-50%) scale(0.95);
}
.m-carousel-btn.prev { left: 16px; }
.m-carousel-btn.next { right: 16px; }

.m-carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.m-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.m-dot.active {
  background: #fff;
  transform: scale(1.2);
}

.modal-info-wrap { padding: 32px 32px 24px; }
.modal-features { margin-top: 24px; list-style: none; }
.modal-features li { font-size: 14px; color: var(--muted); margin-bottom: 12px; display: flex; align-items: flex-start; gap: 12px; line-height: 1.5; }
.modal-features li::before {
  content: '\2713'; color: var(--accent); font-weight: bold;
  background: rgba(0,113,227,0.1); width:22px; height:22px; 
  border-radius:50%; display:flex; align-items:center; justify-content:center; 
  font-size:12px; flex-shrink: 0; margin-top: 1px;
}
[data-theme="dark"] .modal-features li::before { background: rgba(41,151,255,0.15); }

.modal-bottom {
  padding: 24px 32px 32px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  text-align: center;
}
.consult-btn {
  display: block; width: 100%; padding: 18px 0; font-size: 16px;
  text-decoration: none; border-radius: 12px; 
}

/* === Page Hero (for inner pages) === */
.page-hero {
  position: relative;
  width: 100%;
  height: 55vh;
  min-height: 480px;
  background: #080808;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: zoomBg 10s ease-out forwards;
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.5);
}
@keyframes zoomBg { to { transform: scale(1); } }
.page-hero-content {
  position: relative;
  z-index: 10;
  color: #fff;
  padding: 0 20px;
}
.page-hero-title {
  font-family: var(--serif);
  font-size: clamp(40px, 5.5vw, 72px);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s 0.2s var(--ease) forwards;
}
.page-hero-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s 0.4s var(--ease) forwards;
}
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* === Cases Page === */
.cases-container {
  padding-bottom: 40px;
}
.case-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 140px;
}
.case-item:last-child {
  margin-bottom: 0;
}
.case-item:nth-child(even) .case-img-link {
  order: 2;
}
.case-img-link {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
}
.case-img-wrap {
  aspect-ratio: 4/3;
  background: var(--surface);
  position: relative;
  overflow: hidden;
}
.case-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--ease);
}
.case-img-link:hover .case-img-wrap img {
  transform: scale(1.05);
}
.case-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: inline-block;
  background: rgba(0, 113, 227, 0.1);
  padding: 6px 14px;
  border-radius: 20px;
}
[data-theme="dark"] .case-tag {
  background: rgba(41, 151, 255, 0.15);
}
.case-title {
  font-family: var(--serif);
  font-size: clamp(32px, 3.5vw, 44px);
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--ink);
}
.case-desc {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 24px;
}
.case-quote {
  padding-left: 16px;
  border-left: 2px solid var(--border);
  font-style: italic;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.6;
}
.case-action-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: transform 0.2s var(--ease), opacity 0.2s;
}
.case-action-link:hover {
  opacity: 0.8;
  transform: translateX(5px);
}

/* === Pagination === */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 50px;
}
.page-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink);
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover, .page-btn.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* === CTA Section === */
.cta-section {
  background: var(--surface);
  text-align: center;
  padding: 100px 20px;
  border-top: 1px solid var(--border);
}
.cta-btn {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  padding: 16px 44px;
  border-radius: 30px;
  font-weight: 500;
  font-size: 15px;
  margin-top: 32px;
  transition: transform 0.2s, opacity 0.2s;
}
.cta-btn:hover {
  transform: scale(0.97);
  opacity: 0.9;
}

/* === Case Content Page === */
.case-hero {
  position: relative;
  width: 100%;
  height: 65vh;
  min-height: 520px;
  background: #080808;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.case-hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/hero-case.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.55;
  transform: scale(1.05);
  animation: zoomBg 12s ease-out forwards;
}
.case-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
  z-index: 1;
}
.case-hero-content {
  position: relative;
  z-index: 10;
  color: #fff;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 60px;
}
.case-hero-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: inline-block;
  background: rgba(41, 151, 255, 0.2);
  padding: 6px 14px;
  border-radius: 20px;
}
.case-hero-title {
  font-family: var(--serif);
  font-size: clamp(38px, 5.5vw, 68px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  max-width: 800px;
}

.case-meta-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
  transition: var(--theme-transition);
}
.case-meta-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.meta-item-title {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.meta-item-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.case-story-section {
  padding-top: 100px;
}
.case-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 80px;
  align-items: start;
}
.story-rich-text h1,
.story-rich-text h2,
.story-rich-text h3,
.story-rich-text h4,
.story-rich-text h5,
.story-rich-text h6 {
  font-weight: 400;
}
.story-rich-text h3 {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.01em;
  margin: 40px 0 16px;
  color: var(--ink);
}
.story-rich-text h3:first-child {
  margin-top: 0;
}
.story-rich-text p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 24px;
}
.story-sidebar {
  position: sticky;
  top: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--theme-transition);
}
.story-sidebar-title {
  font-family: var(--serif);
  font-size: 20px;
  margin-bottom: 20px;
  font-weight: 400;
}
.story-sidebar-list {
  list-style: none;
}
.story-sidebar-list li {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}
.story-sidebar-list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.story-sidebar-list li span {
  font-weight: 500;
  color: var(--ink);
}

.case-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 60px;
}
.gallery-img {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--surface);
}
.gallery-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-quote-banner {
  background: var(--surface);
  padding: 100px 40px;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: 100px;
  transition: var(--theme-transition);
}
.quote-text {
  font-family: var(--serif);
  font-size: clamp(24px, 3.5vw, 38px);
  line-height: 1.3;
  color: var(--ink);
  max-width: 900px;
  margin: 0 auto 24px;
}
.quote-author {
  font-size: 15px;
  color: var(--muted);
}

.featured-product-section {
  padding: 120px 0;
  text-align: center;
}
.product-hero-card {
  max-width: 800px;
  margin: 40px auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  overflow: hidden;
  text-align: left;
  transition: var(--theme-transition), transform 0.3s;
}
.product-hero-card:hover {
  transform: translateY(-5px);
}
.product-hero-img {
  width: 100%;
  aspect-ratio: 1/1;
  background: var(--border);
}
.product-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-hero-info {
  padding: 40px;
}
.product-hero-name {
  font-family: var(--serif);
  font-size: 28px;
  margin-bottom: 10px;
}
.product-hero-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 24px;
}
.product-hero-btn {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.2s;
}
.product-hero-btn:hover {
  opacity: 0.9;
}

.next-stories-sec {
  background: var(--surface);
  padding: 100px 0;
  border-top: 1px solid var(--border);
  transition: var(--theme-transition);
}
.next-stories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}
.story-card {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}
.story-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.06);
}
[data-theme="dark"] .story-card:hover {
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}
.story-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--surface);
  flex-shrink: 0;
  overflow: hidden;
}
.story-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.story-card-info {
  padding: 30px;
}
.story-card-tag {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.story-card-title {
  font-family: var(--serif);
  font-size: 22px;
  margin-bottom: 12px;
  line-height: 1.25;
}
.story-card-link {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}

/* === Products Page === */
.page-header { padding-top: 140px; text-align: center; padding-bottom: 40px; }
.filter-bar { display: flex; justify-content: center; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.filter-btn { background: var(--surface); border: 1px solid var(--border); color: var(--ink); padding: 8px 20px; border-radius: 30px; font-size: 13px; cursor: pointer; transition: 0.3s; font-family:var(--sans); text-decoration: none; display: inline-block; }
.filter-btn:hover, .filter-btn.active { background: var(--ink); color: var(--bg); }

/* === Contact Page === */
.contact-page-wrap { padding-top: 140px; padding-bottom: 80px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; margin-top: 40px;}
.contact-info-block { margin-bottom: 30px; }
.contact-info-title { font-size: 18px; font-family: var(--serif); margin-bottom: 8px; }

/* === Menu Toggle (Mobile) === */
.menu-toggle { display: none; }
[data-theme="dark"] nav.scrolled .logo .logo-img,
[data-theme="dark"] .footer-logo .logo-img {
  filter: invert(1) brightness(2);
}

/* === Toast Notification === */
.contact-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    animation: slideIn 0.3s ease-out;
}
.contact-toast.success {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}
.contact-toast.error {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}
.toast-icon {
    font-size: 24px;
    flex-shrink: 0;
}
.toast-message {
    font-size: 16px;
    font-weight: 500;
}
.contact-toast.fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}
@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* === Responsive ======================================= */
@media(max-width:900px){
  .nav-links {
    display: flex !important; 
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    padding: 80px 30px;
    gap: 25px !important;
    transition: right 0.4s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    z-index: 999;
  }

  .nav-links.active { right: 0; }
  .nav-links a { font-size: 18px !important; color: var(--ink) !important; }

  .menu-toggle { display: flex !important; background:none; border:none; color:inherit; cursor:pointer; }
  nav.on-hero .menu-toggle { color: #fff; }

  .slide-content { left: 24px; bottom: 180px; text-align: left; }
  .slide-title { font-size: 38px !important; line-height: 1.1; max-width: 100%; }
  
  .slide-sub { 
    left: 24px; right: auto; text-align: left; bottom: 50px; 
  }
  .slide-sub p { display: none; }
  
  .hero-thumbs { left: 24px; bottom: 130px; transform: scale(0.8); transform-origin: left; }

  .about-grid, .sc-top, .sc-bot, .prod-grid, .form-row { grid-template-columns: 1fr; }
  .wrap { padding: 60px 24px; }

  .case-item { grid-template-columns: 1fr; gap: 40px; margin-bottom: 80px; }
  .case-item:nth-child(even) .case-img-link { order: unset; }
  .page-hero { min-height: 400px; }
  .sc-header .sub { white-space: normal; }
  .captcha-row { flex-direction: column; }
  .captcha-input { width: 100%; }

  .case-meta-inner { grid-template-columns: 1fr 1fr; gap: 20px; }
  .case-grid { grid-template-columns: 1fr; gap: 40px; }
  .story-sidebar { position: static; }
  .case-gallery { grid-template-columns: 1fr; }
  .product-hero-card { grid-template-columns: 1fr; }
  .next-stories-grid { grid-template-columns: 1fr; }
  .case-hero { min-height: 420px; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .modal-carousel { height: 260px; }
  .modal-info-wrap { padding: 24px; }
  .modal-bottom { padding: 20px 24px 24px; }
}