/* =============================================
   UPHIX GADGETS — Layout & Navigation
   =============================================*/

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; height: var(--nav-h); transition: var(--transition);
}
#navbar.scrolled { background: var(--bg-primary); box-shadow: 0 2px 24px rgba(0,0,0,0.4); }
.nav-inner {
  height: var(--nav-h); display: flex;
  align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-heading); font-weight: 800;
  font-size: 1.25rem; letter-spacing: -0.02em;
}
.nav-logo-icon {
  width: 40px; height: 40px; background: #ffffff;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 900; color: #fff;
  border: 1px solid rgba(41,121,212,0.4);
}
.logo-box {
  width: 50px; height: 50px; background: #ffffff;
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(41,121,212,0.2);
  padding: 4px;
  margin: 0 auto;  /* Center horizontally in login card */
}
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 0.9375rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { 
  color: var(--text-primary); 
  background: rgba(255,255,255,0.06); 
}

/* Light mode navbar hover */
[data-theme="light"] .nav-links a:hover,
[data-theme="light"] .nav-links a.active {
  background: rgba(0,0,0,0.08);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  width: 40px; height: 40px; background: rgba(255,255,255,0.05);
  border: 1px solid var(--border); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: var(--transition);
}
.theme-toggle:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

/* Light mode theme toggle */
[data-theme="light"] .theme-toggle {
  background: rgba(0,0,0,0.05);
}
[data-theme="light"] .theme-toggle:hover {
  background: rgba(0,0,0,0.12);
}
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 40px; height: 40px; background: none;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  align-items: center; justify-content: center; padding: 8px;
}
.hamburger span {
  display: block; width: 100%; height: 2px;
  background: var(--text-primary); border-radius: 99px; transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

#mobile-menu {
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--bg-primary); border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px; z-index: 999;
  max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: none; flex-direction: column; gap: 4px;
}
#mobile-menu.open { display: flex; }
#mobile-menu a {
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-weight: 500; color: var(--text-secondary); transition: var(--transition);
}
#mobile-menu a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

/* ============================================
   SPA PAGE SYSTEM
   ============================================ */
.spa-page {
  display: none;
  min-height: 100vh;
  padding-top: var(--nav-h);
  animation: fadeInPage 0.35s ease;
}
.spa-page.active { display: block; }
#home-page { display: block; }

@keyframes fadeInPage {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   MARQUEE / EVENT TICKER
   ============================================ */
.marquee-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  overflow: hidden;
  position: relative;
}
.marquee-label {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--accent); display: flex; align-items: center;
  padding: 0 20px; z-index: 10; font-family: var(--font-heading);
  font-weight: 800; font-size: 0.75rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: #fff; white-space: nowrap;
}
.marquee-label::after {
  content: '';
  position: absolute; right: -16px; top: 0; bottom: 0; width: 32px;
  background: linear-gradient(to right, var(--accent), transparent);
}
.marquee-track-wrap { overflow: hidden; margin-left: 130px; }
.marquee-track {
  display: flex; gap: 12px;
  animation: marqueeScroll 20s linear infinite;
  width: max-content;
  will-change: transform;
  contain: layout, paint;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marqueeScroll {
  0%   { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}
.marquee-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 16px;
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
  min-width: 220px;
}
.marquee-card:hover { border-color: var(--border-accent); background: rgba(41,121,212,0.08); }
.marquee-card-img { width: 40px; height: 40px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.marquee-card-name { font-size: 0.82rem; font-weight: 700; color: var(--text-primary); }
.marquee-card-price { font-size: 0.78rem; color: var(--accent); font-weight: 700; }
.marquee-hot-pill {
  font-size: 0.65rem; font-weight: 700; padding: 2px 6px;
  background: linear-gradient(135deg,rgba(239,68,68,0.3),rgba(249,115,22,0.3));
  color: #fb923c; border-radius: 4px; border: 1px solid rgba(239,68,68,0.3);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative; min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: flex-start; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-color: #5c8ab3;
  background-image: 
    radial-gradient(at 50% 0%, #b2d6f0 0%, transparent 50%),
    linear-gradient(to bottom, #7ba8cc, var(--bg-primary));
  background-attachment: fixed;
  overflow: hidden;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('assets/images/uphix_transparent_logo.png');
  background-position: center;
  background-size: 60%;
  background-repeat: no-repeat;
  background-attachment: fixed;
  z-index: -5;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  z-index: -5;
}
.dune {
  position: absolute;
  width: 200%;
  height: 600px;
  bottom: -100px;
  left: -50%;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  transform: rotate(-2deg);
  filter: blur(1px);
}
.dune-1 {
  bottom: 15%;
  height: 700px;
  background: linear-gradient(165deg, #1a3a52 0%, #0f1f34 45%, #040d1a 100%);
  z-index: 1;
  opacity: 0.5;
  transform: rotate(3deg) scaleX(1.2);
}
.dune-2 {
  bottom: 5%;
  height: 650px;
  background: linear-gradient(170deg, #152a42 0%, #0f2235 20%, #0a1929 50%, #040d1a 100%);
  z-index: 1;
  opacity: 0.95;
  transform: rotate(-1.5deg) translateX(10%);
}
.dune-3 {
  bottom: -10%;
  height: 600px;
  background: linear-gradient(175deg, #1a3a52 0%, #122a3a 15%, #0a1f32 40%, #050e1a 70%, #040d1a 100%);
  z-index: 1;
  transform: rotate(2deg) translateX(-5%);
}
.dune-4 {
  bottom: -20%;
  height: 550px;
  background: linear-gradient(160deg, #1f3a4a 0%, #152d3e 25%, #0a1f32 50%, #050e1a 80%, #040d1a 100%);
  z-index: 1;
  transform: rotate(-4deg) translateX(5%);
}
[data-theme="light"] .hero-bg {
  background-color: #e8f0f8;
  background-image: 
    radial-gradient(at 50% 0%, #ffffff 0%, transparent 50%),
    linear-gradient(to bottom, #d4e5f0, #eef2f9);
  background-attachment: fixed;
}
[data-theme="light"] .dune-1 {
  background: linear-gradient(165deg, #c8dff0 0%, #a8c7e0 45%, #eef2f9 100%);
}
[data-theme="light"] .dune-2 {
  background: linear-gradient(170deg, #d4e5f0 0%, #a8b4fc 20%, #8b92d8 50%, #eef2f9 100%);
}
[data-theme="light"] .dune-3 {
  background: linear-gradient(175deg, #ffffff 0%, #d4e8f5 15%, #7ba8cc 40%, #5a7fa8 70%, #eef2f9 100%);
}
[data-theme="light"] .dune-4 {
  background: linear-gradient(160deg, #ffffff 0%, #c8e5f0 25%, #7ba8cc 50%, #5a7fa8 80%, #eef2f9 100%);
}

[data-theme="light"] .sf-mask-top {
  background: #8b92d8;
}
[data-theme="light"] .sf-mask-bottom {
  background: #7ba8cc;
}

[data-theme="light"] .hero-grid-lines {
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}
.hero-content {
  position: relative; z-index: 3;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: flex-start; gap: 28px;
  padding: 24px 0 40px; width: 100%;
}
.hero-left { padding-top: 12px; }
.hero-h1 {
  font-size: clamp(5.2rem, 7.6vw, 5.8rem);
  font-weight: 900; line-height: 1.06;
  margin-bottom: 14px; letter-spacing: -0.03em;
}
.hero-h1 em { color: var(--accent); font-style: normal; }
.hero-sub {
  color: var(--text-secondary);
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  max-width: 440px; margin-bottom: 24px; line-height: 1.65;
}
.hero-ctas { display: flex; gap: 8px; flex-wrap: nowrap; align-items: center; }
.hero-ctas .btn {
  flex: 1; justify-content: center;
  padding: 10px 12px; font-size: clamp(0.7rem, 1vw, 0.875rem);
  white-space: nowrap; min-width: 0;
}
.hero-stats {
  display: flex; gap: 24px; margin-top: 32px;
  padding-top: 24px; border-top: 1px solid var(--border);
}
.hero-stat-num { font-family: var(--font-heading); font-size: clamp(1.1rem, 1.8vw, 1.75rem); font-weight: 800; }
.hero-stat-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

/* Sketchfab model system */
.hero-right { position: relative; z-index: 5; display: flex; align-items: flex-start; justify-content: center; height: 500px; padding-top: 0; }
#hero-model-wrap { width: 100%; height: 100%; position: relative; }
.sf-clip-box { width: 100%; height: 100%; position: relative; overflow: hidden; border-radius: 12px; background: transparent; }
.sf-frame {
  position: absolute; inset: -48px -2px -48px -2px;
  width: calc(100% + 4px); height: calc(100% + 96px);
  border: none; opacity: 0; pointer-events: none;
  transition: opacity 0.7s ease; background: transparent;
}
.sf-frame.active { opacity: 1; pointer-events: all; }
.sf-mask { position: absolute; left: 0; right: 0; z-index: 3; pointer-events: none; }
.sf-mask-top { top: 0; height: 16px; background: #1f3a4ad7; }
.sf-mask-bottom { bottom: 0; height: 56px; background: #1f3a4ab4; }
.model-loading-cover {
  position: absolute; inset: 0; background: var(--bg-secondary); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; z-index: 10; transition: opacity 0.6s ease;
}
.model-loading-cover.hidden { opacity: 0; pointer-events: none; }
.model-loader { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.loader-ring { width: 44px; height: 44px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.85s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.product-indicator { position: absolute; top: 18px; right: 14px; display: flex; flex-direction: column; gap: 8px; z-index: 20; }
.product-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.12); cursor: pointer; transition: var(--transition); }
.product-dot.active { background: var(--accent); box-shadow: 0 0 8px var(--accent); border-color: var(--accent); }
.product-dot:hover { background: rgba(59,130,246,0.5); }
.canvas-label {
  position: absolute; bottom: 14px; right: 12px;
  font-size: 0.68rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 5px;
  background: rgba(5,17,36,0.55);
  padding: 5px 10px; border-radius: 99px;
  border: 1px solid rgba(255,255,255,0.06); z-index: 20; white-space: nowrap;
}
/* Backdrop filter: desktop only (too expensive for mobile GPU) */
@media (min-width: 1025px) {
  .canvas-label {
    backdrop-filter: blur(8px);
  }
}

/* Mobile/Tablet Image Slideshow */
.hero-slideshow-container {
  width: 100%; height: 100%; position: relative;
  overflow: hidden; border-radius: 12px; background: transparent;
}

.hero-slideshow-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.8s ease-in-out; background: rgba(5,17,36,0.3);
}

.hero-slideshow-img.active {
  opacity: 1; pointer-events: all;
}

/* Mobile Background Images (fullscreen, behind content) */
.hero-bg-images-container {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
  display: none;
  pointer-events: none;
}

.hero-bg-image {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  z-index: 1;
  filter: brightness(0.65) blur(0.5px) contrast(1.05);
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.5);
}

.hero-bg-image.active {
  opacity: 0.45;
}

.hero-product-card {
  position: absolute; bottom: -18px; left: 50%; transform: translateX(-50%);
  z-index: 20; width: calc(100% - 40px); max-width: 420px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 20px;
  background: rgba(4, 13, 28, 0.6);
  border: 1px solid var(--border-accent); border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.06);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
/* Backdrop filter: desktop only (too expensive for mobile GPU) */
@media (min-width: 1025px) {
  .hero-product-card {
    backdrop-filter: blur(20px);
  }
}
[data-theme="light"] .hero-product-card {
  background: rgba(238, 242, 249, 0.75);
  border: 1px solid rgba(41,121,212,0.25);
  box-shadow: 0 8px 32px rgba(11,46,92,0.12), inset 0 1px 0 rgba(255,255,255,0.7);
}
[data-theme="light"] .hero-product-name { color: var(--text-primary); }
[data-theme="light"] .hero-product-price { color: var(--accent); }
.hero-product-card.card-exit { opacity: 0; transform: translateX(-50%) translateY(6px); }
.hero-product-card.card-enter { opacity: 1; transform: translateX(-50%) translateY(0); }
.hero-card-left { display: flex; flex-direction: column; gap: 3px; }
.hero-product-badge { font-size: 0.62rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; display: inline-flex; align-items: center; padding: 2px 6px; border-radius: 0; width: fit-content; }
.hero-product-name { font-family: var(--font-heading); font-weight: 800; font-size: 1.05rem; color: #fff; line-height: 1.2; }
.hero-product-price { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 900; color: var(--accent); }
.hero-card-btn { flex-shrink: 0; white-space: nowrap; font-size: 0.8rem; padding: 10px 16px; }

/* SEARCH */
.search-wrap { max-width: 680px; margin: 0 auto; position: relative; }
.search-input {
  width: 100%; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 99px; padding: 16px 60px 16px 24px; font-size: 1rem;
  color: var(--text-primary); transition: var(--transition); outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-icon { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }

/* TRUST STRIP */
.trust-strip { background: var(--bg-secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 28px 0; }
.trust-items { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 12px; padding: 12px 32px; border-right: 1px solid var(--border); }
.trust-item:last-child { border-right: none; }
.trust-icon { width: 44px; height: 44px; background: rgba(59,130,246,0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); flex-shrink: 0; }
.trust-text h4 { font-size: 0.9375rem; font-weight: 700; }
.trust-text p { font-size: 0.8rem; color: var(--text-secondary); }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 40px 32px; transition: var(--transition); cursor: pointer; position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--accent-glow) 0%, transparent 60%);
  opacity: 0; transition: var(--transition);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover { border-color: var(--border-accent); transform: translateY(-6px); box-shadow: var(--shadow-accent); }
.service-icon { width: 64px; height: 64px; background: rgba(59,130,246,0.1); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; color: var(--accent); transition: var(--transition); }
.service-card:hover .service-icon { background: var(--accent); color: #fff; }
.service-card h3 { font-size: 1.375rem; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); font-size: 0.9375rem; line-height: 1.65; margin-bottom: 24px; }
.service-link { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
.service-link:hover { gap: 10px; }

/* FOOTER */
footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; margin-top: 16px; line-height: 1.7; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 20px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; color: var(--text-secondary); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.newsletter-form { display: flex; gap: 8px; margin-top: 0; }
.newsletter-input { flex: 1; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; color: var(--text-primary); font-size: 0.875rem; outline: none; }
.newsletter-input:focus { border-color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.85rem; color: var(--text-muted); }
.footer-bottom span { color: var(--accent); font-weight: 600; }

.social-row { display: flex; gap: 10px; margin-top: 24px; }
.social-btn { width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; transition: var(--transition); border: 1px solid rgba(255,255,255,0.15); }
.social-btn:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }