/* ============================================================
   GLORY TECHNOLOGY — Design System
   Light: Arctic Industrial | Dark: Obsidian Heat
   Font: Barlow (300/400/600/800)
   ============================================================ */

/* ── Anti-flash handled by inline IIFE in <head> ── */

:root {
  /* Light — Arctic Industrial */
  --bg:            #FAFCFF;
  --surface:       #F0F5FA;
  --card:          #E6EEF8;
  --border:        rgba(26,64,96,0.12);
  --border-strong: rgba(26,64,96,0.28);
  --accent:        #1A4060;
  --accent-2:      #3A7AA8;
  --accent-glow:   rgba(26,64,96,0.10);
  --text:          #0A1A28;
  --text-2:        #2A4A60;
  --muted:         #6A8A9A;
  --nav-bg:        rgba(250,252,255,0.95);
  --btn-text:      #FAFCFF;
  --shadow:        0 4px 24px rgba(26,64,96,0.08);
  --shadow-lg:     0 20px 60px rgba(26,64,96,0.13);
  --rule-w:        40px;
  --rule-h:        2px;
}

[data-theme="dark"] {
  /* Dark — Obsidian Heat */
  --bg:            #0D0B09;
  --surface:       #1A1208;
  --card:          #231810;
  --border:        rgba(255,255,255,0.07);
  --border-strong: rgba(232,64,0,0.30);
  --accent:        #E84000;
  --accent-2:      #FF6030;
  --accent-glow:   rgba(232,64,0,0.15);
  --text:          #F5E8D8;
  --text-2:        #C8A888;
  --muted:         #6A4A30;
  --nav-bg:        rgba(13,11,9,0.93);
  --btn-text:      #F5E8D8;
  --shadow:        0 4px 24px rgba(0,0,0,0.45);
  --shadow-lg:     0 20px 60px rgba(0,0,0,0.65);
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Barlow', system-ui, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Typography ─────────────────────────────────────────── */
.display-xl  { font-size: clamp(2.8rem, 6vw, 5.5rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.03em; }
.display-lg  { font-size: clamp(2rem, 4vw, 3.5rem);   font-weight: 800; line-height: 1.1;  letter-spacing: -0.02em; }
.display-md  { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
.body-lg     { font-size: 1.125rem; font-weight: 300; line-height: 1.7; color: var(--muted); }
.body-sm     { font-size: 0.875rem; font-weight: 400; line-height: 1.6; color: var(--muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.35em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 20px;
}
.eyebrow::before { content: ''; width: var(--rule-w); height: var(--rule-h); background: var(--accent); flex-shrink: 0; }

/* ── Navigation ─────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
  height: 68px;
}
.nav.scrolled { box-shadow: 0 1px 32px rgba(0,0,0,0.18); }
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  height: 100%; display: flex; align-items: center; gap: 40px;
}
.nav-logo {
  margin-right: auto; display: flex; align-items: center;
}
.nav-logo-img {
  height: 36px; width: auto; display: block;
  object-fit: contain;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  position: relative; padding-bottom: 3px;
  transition: color 0.25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1.5px; background: var(--accent);
  transition: width 0.3s cubic-bezier(0.4,0,0.2,1);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* Dropdown nav */
.nav-item-dropdown { position: relative; }
.nav-item-dropdown > a { display: inline-flex; align-items: center; gap: 5px; }
.dropdown-arrow { width: 9px; height: 6px; flex-shrink: 0; transition: transform 0.2s; }
.nav-item-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }
.nav-dropdown {
  display: none; position: absolute; top: calc(100% + 18px); left: 50%;
  transform: translateX(-50%); min-width: 220px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px; list-style: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  z-index: 300;
}
.nav-dropdown::before {
  content: ''; position: absolute; top: -6px; left: 50%; transform: translateX(-50%);
  width: 10px; height: 10px; background: var(--bg);
  border-left: 1px solid var(--border); border-top: 1px solid var(--border);
  transform: translateX(-50%) rotate(45deg);
}
.nav-item-dropdown:hover .nav-dropdown { display: block; }
.nav-dropdown li a {
  display: block; padding: 9px 14px; border-radius: 6px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  transition: background 0.15s, color 0.15s; white-space: nowrap;
}
.nav-dropdown li a::after { display: none; }
.nav-dropdown li a:hover { background: var(--surface); color: var(--accent); }

/* Mobile sub-links */
.nav-mobile-sub {
  display: flex; flex-direction: column; gap: 14px;
  padding-left: 20px; border-left: 2px solid var(--accent);
}
.nav-mobile-sub a {
  font-size: 0.95rem !important; font-weight: 600 !important;
  color: var(--muted) !important; text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav-mobile-sub a:hover { color: var(--accent) !important; }

/* Controls: theme + lang */
.nav-controls { display: flex; align-items: center; gap: 12px; }
.ctrl-btn {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  background: none; border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 4px; cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.ctrl-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--accent-glow); }
.ctrl-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; }

/* Hamburger */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 1.5px;
  background: var(--text); transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

/* Mobile menu */
.nav-mobile {
  display: none; position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
  background: var(--bg); z-index: 190; flex-direction: column;
  padding: 40px 32px; gap: 28px; border-top: 1px solid var(--border);
  overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -0.01em;
  color: var(--text); text-transform: uppercase;
}
.nav-mobile a:hover { color: var(--accent); }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden; padding-top: 68px;
}
#hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.6; pointer-events: none; z-index: 1;
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; pointer-events: none; z-index: 0;
}
.hero-video-overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(135deg, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.45) 60%, rgba(0,0,0,0.55) 100%);
}
[data-theme="light"] .hero-video-overlay {
  background: linear-gradient(135deg, rgba(250,252,255,0.82) 0%, rgba(250,252,255,0.55) 60%, rgba(250,252,255,0.65) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto; padding: 80px 32px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.hero-left {}
.hero-title { color: var(--text); margin-bottom: 24px; }
.hero-title em { font-style: normal; color: var(--accent); }
.hero-sub { font-size: 1.1rem; font-weight: 300; color: var(--muted); line-height: 1.7; margin-bottom: 40px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-right { display: flex; flex-direction: column; gap: 16px; }
.hero-stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 24px 28px;
  display: flex; align-items: center; gap: 20px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.hero-stat:hover {
  border-color: var(--border-strong);
  transform: translateX(6px);
  box-shadow: var(--shadow);
}
.hero-stat-num { font-size: 2rem; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; min-width: 80px; }
.hero-stat-label { font-size: 0.85rem; font-weight: 300; color: var(--muted); line-height: 1.4; }
.hero-stat-label strong { display: block; font-weight: 600; color: var(--text); font-size: 0.95rem; margin-bottom: 2px; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; padding: 14px 28px; border-radius: 4px;
  cursor: pointer; border: none; transition: all 0.25s; white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: var(--btn-text);
}
.btn-primary:hover {
  filter: brightness(1.1); transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover {
  background: var(--accent-glow); border-color: var(--accent);
  color: var(--accent); transform: translateY(-2px);
}

/* ── Layout ─────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .eyebrow { display: flex; justify-content: center; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 36px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.card-icon {
  width: 48px; height: 48px; border-radius: 8px;
  background: var(--accent-glow); border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.card-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.8; }
.card h3 { font-size: 1.1rem; font-weight: 800; color: var(--text); margin-bottom: 10px; letter-spacing: -0.01em; }
.card p { font-size: 0.9rem; font-weight: 300; color: var(--muted); line-height: 1.7; }

/* ── Grid layouts ───────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ── Divider strip ──────────────────────────────────────── */
.strip {
  background: var(--accent); color: var(--btn-text);
  padding: 64px 0;
}
.strip-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  flex-wrap: wrap;
}
.strip h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: -0.02em; }
.strip p { font-size: 1rem; font-weight: 300; opacity: 0.85; margin-top: 6px; max-width: 480px; }
.btn-strip {
  background: var(--btn-text); color: var(--accent);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; padding: 14px 28px; border-radius: 4px;
  white-space: nowrap; transition: all 0.2s; border: none; cursor: pointer;
  display: inline-block;
}
.btn-strip:hover { filter: brightness(0.95); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

/* ── Product card ───────────────────────────────────────── */
.product-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.product-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.product-img {
  height: 200px; background: var(--card);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.product-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.5s ease;
}
.product-card:hover .product-img img { transform: scale(1.04); }
.product-img-placeholder {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted); opacity: 0.5;
}
.product-body { padding: 28px; }
.product-body h3 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 8px; letter-spacing: -0.01em; }
.product-body p { font-size: 0.875rem; font-weight: 300; color: var(--muted); line-height: 1.7; margin-bottom: 20px; }
.product-link {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  display: flex; align-items: center; gap: 6px;
  transition: gap 0.2s;
}
.product-card:hover .product-link { gap: 10px; }

/* ── Form ───────────────────────────────────────────────── */
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 8px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--surface);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 13px 16px; color: var(--text);
  font-family: 'Barlow', system-ui, sans-serif;
  font-size: 0.95rem; font-weight: 300;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
}
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand .nav-logo { font-size: 1.1rem; margin-bottom: 16px; display: block; }
.footer-brand p { font-size: 0.875rem; font-weight: 300; color: var(--muted); line-height: 1.7; max-width: 280px; }
.footer-col h4 {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 0.875rem; font-weight: 300; color: var(--muted);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; font-weight: 300; color: var(--muted); }

/* ── Page hero (inner pages) ────────────────────────────── */
.page-hero {
  padding: 140px 0 80px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

/* ── Scroll reveal ──────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s, transform 0.65s; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ── Toast ──────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface); border: 1px solid var(--border-strong);
  padding: 14px 28px; opacity: 0; pointer-events: none;
  border-radius: 6px; font-size: 0.85rem; font-weight: 600;
  transition: opacity 0.3s, transform 0.3s; z-index: 999;
  color: var(--text);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Utilities ──────────────────────────────────────────── */
.text-accent { color: var(--accent); }
.text-muted  { color: var(--muted); }
.fw-light    { font-weight: 300; }
.fw-bold     { font-weight: 800; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }

/* About page specifics */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-img-block {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; height: 400px;
  display: flex; align-items: center; justify-content: center;
}
.about-img-block span { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); opacity: 0.5; }
.about-text p { font-size: 1rem; font-weight: 300; color: var(--muted); line-height: 1.8; margin-bottom: 20px; }

/* Values */
.values-list { display: flex; flex-direction: column; gap: 0; }
.value-item {
  display: flex; gap: 24px; align-items: flex-start;
  padding: 28px 0; border-bottom: 1px solid var(--border);
}
.value-item:first-child { padding-top: 0; }
.value-num { font-size: 0.65rem; font-weight: 700; color: var(--accent); letter-spacing: 0.2em; min-width: 28px; padding-top: 4px; }
.value-text h4 { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 6px; letter-spacing: -0.01em; }
.value-text p { font-size: 0.875rem; font-weight: 300; color: var(--muted); line-height: 1.7; }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px; align-items: start; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 32px; }
.contact-info-icon {
  width: 40px; height: 40px; border-radius: 6px;
  background: var(--accent-glow); border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info-icon svg { width: 18px; height: 18px; stroke: var(--accent); fill: none; stroke-width: 1.8; }
.contact-info-text h4 { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-info-text p { font-size: 0.9rem; font-weight: 300; color: var(--text); line-height: 1.5; }

/* ── WhatsApp bubble ────────────────────────────────────── */
.wa-bubble {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}
.wa-bubble:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.6);
}
.wa-bubble svg {
  width: 30px;
  height: 30px;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-controls { display: none; }
  .nav-toggle { display: flex; }

  .hero-content { grid-template-columns: 1fr; gap: 48px; padding: 60px 24px; }
  .hero-right { display: none; }

  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .container { padding: 0 20px; }
  section { padding: 64px 0; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }

  .strip-inner { flex-direction: column; text-align: center; }
}
