/* ═══════════════════════════════════════════════
   FELPOWER — Main Stylesheet (Light Mode)
   Design: Clean white/light-gray base, brand-red accent
   Fonts: Plus Jakarta Sans (display) + Inter (body)
═══════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  /* Light backgrounds */
  --col-bg:          #ffffff;
  --col-surface:     #f7f8fc;
  --col-surface-2:   #eef0f7;
  --col-card:        #ffffff;
  --col-card-hover:  #f9f9fb;
  --col-border:      #e2e6ef;
  --col-border-lit:  #c8cedf;

  /* Brand accent — logo red */
  --col-accent:      #d32f2f;
  --col-accent-dark: #b71c1c;
  --col-accent-light:#fff0f0;
  --col-accent-glow: rgba(211,47,47,0.15);

  /* Brand colors */
  --col-total:       #e63946;
  --col-total-light: #fff0f1;
  --col-ingco:       #0b6bcb;
  --col-ingco-light: #eef4ff;
  --col-huidu:       #1a1a2e;

  /* Text */
  --col-text:        #111827;
  --col-text-2:      #374151;
  --col-muted:       #6b7280;
  --col-faint:       #9ca3af;

  /* Radii */
  --radius-sm:       6px;
  --radius-md:       12px;
  --radius-lg:       18px;
  --radius-xl:       28px;

  /* Shadows */
  --shadow-sm:       0 1px 4px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-card:     0 4px 16px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.05);
  --shadow-lg:       0 20px 60px rgba(0,0,0,0.12);
  --shadow-accent:   0 8px 24px rgba(211,47,47,0.30);

  --transition:      all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display:    'Plus Jakarta Sans', sans-serif;
  --font-body:       'Inter', sans-serif;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--col-bg);
  color: var(--col-text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font-body); cursor: pointer; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
  color: var(--col-text);
}
h1 { font-size: clamp(2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1rem; }
p  { color: var(--col-muted); line-height: 1.7; }

.accent-text { color: var(--col-accent); }
em { font-style: normal; color: var(--col-accent); }

/* ── LAYOUT ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--col-accent);
  color: #fff;
  border-color: var(--col-accent);
}
.btn-primary:hover {
  background: var(--col-accent-dark);
  border-color: var(--col-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}
.btn-outline {
  background: transparent;
  color: var(--col-text);
  border-color: var(--col-border-lit);
}
.btn-outline:hover {
  border-color: var(--col-accent);
  color: var(--col-accent);
  transform: translateY(-2px);
}
.btn-white {
  background: #fff;
  color: var(--col-text);
  border-color: #fff;
}
.btn-white:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}
.btn-lg { padding: 14px 30px; font-size: 0.97rem; border-radius: var(--radius-lg); }

/* ── SECTION HEADERS ── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  border-radius: 100px;
  background: var(--col-accent-light);
  color: var(--col-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.huidu-eyebrow { background: rgba(26,26,46,0.07); color: var(--col-huidu); }
.tools-eyebrow { background: #f0f0f0; color: #555; }
.why-eyebrow { background: var(--col-accent-light); color: var(--col-accent-dark); }
.section-title { margin-bottom: 14px; font-weight: 800; }
.section-desc { font-size: 1.05rem; color: var(--col-muted); }
.section-cta { text-align: center; margin-top: 48px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--col-border);
  padding: 12px 0;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.logo-fel { color: var(--col-text); }
.logo-power { color: var(--col-accent); }
.logo-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--col-accent);
  margin-left: 3px;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--col-muted);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--col-text);
  background: var(--col-surface);
}
.nav-cta { margin-left: auto; }
.hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: var(--col-surface);
  border: 1.5px solid var(--col-border);
  border-radius: var(--radius-sm);
  padding: 0;
  margin-left: auto;
  flex-shrink: 0;
  transition: var(--transition);
}
.hamburger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--col-text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active {
  background: var(--col-accent-light);
  border-color: var(--col-accent);
}
.hamburger.active span { background: var(--col-accent); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(150deg, #ffffff 0%, #f7f8fc 50%, #eef2ff 100%);
  padding: 100px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(211,47,47,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(11,107,203,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--col-accent-light);
  border: 1px solid rgba(211,47,47,0.3);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--col-accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 22px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--col-accent);
  animation: pulse 2s ease-in-out infinite;
}
.hero-title {
  font-size: clamp(2.1rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.title-highlight {
  color: var(--col-accent);
}
.title-sub-line {
  color: var(--col-text-2);
  font-size: 0.85em;
  font-weight: 600;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--col-muted);
  max-width: 500px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-sub strong { color: var(--col-text); font-weight: 600; }
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--col-text);
  line-height: 1;
}
.stat-plus { color: var(--col-accent); font-weight: 800; font-size: 1.4rem; display: inline; }
.stat-label { font-size: 0.78rem; color: var(--col-muted); font-weight: 500; margin-top: 3px; }
.stat-divider { width: 1px; height: 36px; background: var(--col-border); }

/* ── BRAND SLIDER (Hero Right) ── */
.hero-right { position: relative; }
.brand-slider-wrap {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.brand-slider-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 24px;
  background: var(--col-surface);
  padding: 4px;
  border-radius: var(--radius-md);
}
.slider-tab {
  flex: 1;
  padding: 9px 10px;
  border: none;
  background: transparent;
  border-radius: 9px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--col-muted);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.slider-tab.active {
  background: var(--col-card);
  color: var(--col-text);
  box-shadow: var(--shadow-sm);
}
.brand-slides { position: relative; min-height: 280px; }
.brand-slide {
  display: none;
  animation: slideIn 0.35s ease;
}
.brand-slide.active { display: block; }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.slide-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}
.slide-brand-badge {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
  margin-top: 3px;
  flex-shrink: 0;
}
.huidu-badge { background: rgba(26,26,46,0.08); color: var(--col-huidu); }
.total-badge { background: var(--col-total-light); color: var(--col-total); }
.ingco-badge { background: var(--col-ingco-light); color: var(--col-ingco); }
.slide-title-area h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.slide-title-area p {
  font-size: 0.82rem;
  color: var(--col-muted);
  line-height: 1.5;
}
.slide-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}
.slide-product-card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition);
}
.slide-product-card:hover {
  border-color: var(--col-border-lit);
  box-shadow: var(--shadow-sm);
}
.product-img-wrap {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 8px;
  padding: 6px;
  overflow: hidden;
}
.product-img-wrap img {
  max-height: 64px;
  max-width: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.total-bg { background: #fff8f8; }
.ingco-bg { background: #f5faff; }
.spc-info { display: flex; flex-direction: column; gap: 2px; }
.spc-model {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--col-text);
}
.total-model { color: var(--col-total); }
.ingco-model { color: var(--col-ingco); }
.spc-name { font-size: 0.68rem; color: var(--col-muted); line-height: 1.35; }
.slide-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--col-accent-dark);
  transition: var(--transition);
}
.slide-cta:hover { gap: 10px; }
.total-cta { color: var(--col-total); }
.ingco-cta { color: var(--col-ingco); }

.slide-dots {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 16px;
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  border: none;
  background: var(--col-border-lit);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
.dot.active {
  background: var(--col-accent);
  width: 20px;
  border-radius: 4px;
}

/* ══════════════════════════════════════
   TRUST BAR
══════════════════════════════════════ */
.trust-bar {
  border-top: 1px solid var(--col-border);
  border-bottom: 1px solid var(--col-border);
  background: var(--col-surface);
  padding: 20px 0;
}
.trust-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.trust-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--col-faint);
  white-space: nowrap;
}
.trust-logos {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.trust-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--col-text-2);
}
.tl-icon {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  font-family: var(--font-display);
}
.huidu-icon { background: var(--col-huidu); color: var(--col-accent); }
.total-icon  { background: var(--col-total);  color: #fff; }
.ingco-icon  { background: var(--col-ingco);  color: #fff; }
.trust-sep { color: var(--col-faint); font-size: 1.2rem; }
.trust-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.tbadge {
  padding: 5px 12px;
  background: var(--col-bg);
  border: 1px solid var(--col-border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--col-text-2);
}

/* ══════════════════════════════════════
   HUIDU PRODUCTS SECTION
══════════════════════════════════════ */
.huidu-section {
  background: var(--col-bg);
}
.huidu-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.hp-card {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.hp-card:hover {
  border-color: var(--col-border-lit);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}
.hp-img-wrap {
  position: relative;
  height: 160px;
  background: linear-gradient(135deg, #1e2235 0%, #2a2f4a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
}
.hp-img-wrap img {
  max-height: 120px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}
.hp-badge {
  position: absolute;
  top: 10px; right: 10px;
  background: var(--col-accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hp-badge-blue { background: var(--col-ingco); }
.hp-info { padding: 18px; }
.hp-model {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--col-accent);
  display: block;
  margin-bottom: 5px;
}
.hp-info h4 { font-size: 0.9rem; margin-bottom: 8px; line-height: 1.35; }
.hp-info p { font-size: 0.78rem; color: var(--col-muted); line-height: 1.55; margin-bottom: 12px; }
.hp-tags {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.hp-tags span {
  padding: 2px 8px;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: 100px;
  font-size: 0.66rem;
  color: var(--col-muted);
  font-weight: 500;
}
.inquiry-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--col-accent-dark);
  background: none;
  border: none;
  padding: 0;
  transition: var(--transition);
  cursor: pointer;
}
.inquiry-btn:hover { gap: 9px; color: var(--col-accent); }
.hp-inquiry { color: var(--col-accent-dark); }

/* ══════════════════════════════════════
   TOOLS SECTION
══════════════════════════════════════ */
.tools-section {
  background: var(--col-surface);
}
.tools-brands-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  justify-content: center;
}
.tools-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 2px solid var(--col-border);
  border-radius: var(--radius-md);
  background: var(--col-card);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--col-muted);
  cursor: pointer;
  transition: var(--transition);
}
.tools-tab.active { border-color: var(--col-accent); color: var(--col-text); background: var(--col-accent-light); }
.tools-tab-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.total-dot { background: var(--col-total); }
.ingco-dot { background: var(--col-ingco); }

.tools-grid {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  animation: slideIn 0.3s ease;
}
.tools-grid.active { display: grid; }
.tool-card {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.tool-card:hover {
  border-color: var(--col-border-lit);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.tool-img-wrap {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: #f9f9fb;
  overflow: hidden;
}
.total-wrap { background: #fff8f8; }
.ingco-wrap { background: #f0f6ff; }
.tool-img-wrap img {
  max-height: 120px;
  max-width: 100%;
  object-fit: contain;
}
.tool-info { padding: 16px; }
.tool-brand {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 5px;
}
.total-brand { color: var(--col-total); }
.ingco-brand { color: var(--col-ingco); }
.tool-info h4 { font-size: 0.9rem; margin-bottom: 6px; line-height: 1.35; }
.tool-info p { font-size: 0.78rem; color: var(--col-muted); line-height: 1.5; margin-bottom: 12px; }

/* ══════════════════════════════════════
   WHY FELPOWER
══════════════════════════════════════ */
.why-section { background: var(--col-bg); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}
.why-left .section-title { margin-bottom: 16px; }
.why-intro {
  font-size: 1rem;
  color: var(--col-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}
.ceo-block {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}
.ceo-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--col-accent), #ff9a00);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}
.ceo-text strong { display: block; font-size: 0.92rem; margin-bottom: 2px; }
.ceo-text span { font-size: 0.78rem; color: var(--col-muted); display: block; margin-bottom: 10px; }
.ceo-text blockquote {
  font-size: 0.82rem;
  color: var(--col-muted);
  line-height: 1.6;
  font-style: italic;
}
.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.why-feat {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.why-feat:hover { border-color: var(--col-border-lit); box-shadow: var(--shadow-sm); }
.wf-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--col-accent-light);
  border: 1px solid rgba(245,168,0,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--col-accent-dark);
  flex-shrink: 0;
}
.why-feat h4 { font-size: 0.88rem; margin-bottom: 4px; }
.why-feat p { font-size: 0.78rem; color: var(--col-muted); line-height: 1.55; }

/* ══════════════════════════════════════
   PROCESS
══════════════════════════════════════ */
.process-section {
  background: var(--col-surface);
}
.process-steps {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 32px 20px;
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
}
.process-step:hover { border-color: var(--col-border-lit); box-shadow: var(--shadow-card); }
.step-num {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--col-faint);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  display: block;
}
.step-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--col-accent-light);
  border: 1px solid rgba(245,168,0,0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--col-accent-dark);
  margin: 0 auto 14px;
}
.process-step h4 { font-size: 0.92rem; margin-bottom: 6px; }
.process-step p { font-size: 0.78rem; color: var(--col-muted); line-height: 1.55; }
.process-connector {
  flex-shrink: 0;
  color: var(--col-faint);
  padding: 0 8px;
}

/* ══════════════════════════════════════
   CTA BANNER
══════════════════════════════════════ */
.cta-banner {
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d50 60%, var(--col-accent-dark) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245,168,0,0.15), transparent 70%);
  pointer-events: none;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
}
.cta-content h2 { color: #fff; margin-bottom: 10px; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.cta-content p { color: rgba(255,255,255,0.7); max-width: 480px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer {
  background: #0f1119;
  color: rgba(255,255,255,0.85);
  padding: 80px 0 40px;
}
.footer p { color: rgba(255,255,255,0.5); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-logo { margin-bottom: 0; }
.footer .logo-fel { color: #fff; }
.footer .logo-power { color: var(--col-accent); }
.footer .logo-dot { background: var(--col-accent); }
.footer-brand p {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.45);
  margin: 18px 0 24px;
  line-height: 1.7;
  max-width: 300px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}
.footer-social a:hover { border-color: var(--col-accent); color: var(--col-accent); background: rgba(245,168,0,0.08); }
.footer-links h4, .footer-contact h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-links ul { display: flex; flex-direction: column; gap: 9px; }
.footer-links li a {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-links li a:hover { color: var(--col-accent); }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 13px;
}
.contact-item svg { color: var(--col-accent); margin-top: 2px; flex-shrink: 0; }
.contact-item a, .contact-item span {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.contact-item a:hover { color: var(--col-accent); }
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.28); }
.footer-bottom a { color: var(--col-accent); }

/* ══════════════════════════════════════
   WHATSAPP FLOAT
══════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 10px 30px rgba(37,211,102,0.5);
}
.wa-tooltip {
  position: absolute;
  right: 66px;
  background: var(--col-text);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
  pointer-events: none;
}
.whatsapp-float:hover .wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ══════════════════════════════════════
   SCROLL ANIMATIONS
══════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════
   PRODUCTS PAGE (kept for compatibility)
══════════════════════════════════════ */
.page-hero {
  padding: 160px 0 80px;
  background: var(--col-surface);
  border-bottom: 1px solid var(--col-border);
}
.page-hero-inner { max-width: 700px; }
.page-hero h1 { margin-bottom: 16px; font-size: clamp(2rem, 5vw, 3.5rem); }
.page-hero p { font-size: 1.1rem; }

.product-section { padding: 80px 0; }
.product-section:nth-child(even) { background: var(--col-surface); }
.product-section-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--col-border);
}
.ps-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}
.ps-icon-huidu { background: rgba(26,26,46,0.07); border: 1px solid rgba(26,26,46,0.15); }
.ps-icon-total  { background: var(--col-total-light); border: 1px solid rgba(230,57,70,0.2); }
.ps-icon-ingco  { background: var(--col-ingco-light); border: 1px solid rgba(11,107,203,0.2); }
.ps-info { flex: 1; }
.ps-info h2 { font-size: 1.8rem; margin-bottom: 5px; }
.ps-badge {
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.ps-badge-gold { background: var(--col-accent-light); color: var(--col-accent-dark); border: 1px solid rgba(245,168,0,0.2); }
.ps-badge-red  { background: var(--col-total-light);  color: var(--col-total); border: 1px solid rgba(230,57,70,0.2); }
.ps-badge-blue { background: var(--col-ingco-light);  color: var(--col-ingco); border: 1px solid rgba(11,107,203,0.2); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.product-card {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover {
  border-color: var(--col-border-lit);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.pc-icon { font-size: 2rem; margin-bottom: 14px; }
.pc-cat {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--col-accent-dark);
  font-weight: 700;
  margin-bottom: 6px;
}
.product-card h4 { font-size: 0.95rem; margin-bottom: 8px; }
.product-card p { font-size: 0.8rem; color: var(--col-muted); margin-bottom: 18px; }
.pc-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.pc-tag {
  padding: 2px 9px;
  border-radius: 100px;
  border: 1px solid var(--col-border);
  font-size: 0.67rem;
  color: var(--col-muted);
}

/* ══════════════════════════════════════
   CLIENTS SECTION
══════════════════════════════════════ */
.clients-section {
  background: var(--col-surface);
  padding: 80px 0;
  overflow: hidden;
}
.clients-eyebrow { background: rgba(26,26,46,0.06); color: var(--col-text-2); }

.clients-marquee-wrap {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.clients-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: marqueeLeft 38s linear infinite;
}
.clients-reverse .clients-track {
  animation: marqueeRight 42s linear infinite;
}
@keyframes marqueeLeft {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes marqueeRight {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}
.clients-marquee-wrap:hover .clients-track { animation-play-state: paused; }

.client-logo-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--col-card);
  border: 1.5px solid var(--col-border);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  min-width: 160px;
  transition: var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.client-logo-tile::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--cl, var(--col-accent));
  border-radius: 0;
}
.client-logo-tile:hover {
  border-color: var(--cl, var(--col-accent));
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.cl-abbr {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--cl, var(--col-accent));
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.cl-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--col-text-2);
  text-align: center;
  line-height: 1.3;
  max-width: 120px;
}

/* Client stat bar */
.clients-stat-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  padding: 28px 40px;
  max-width: 800px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.csb-item {
  flex: 1;
  text-align: center;
  min-width: 120px;
}
.csb-item .csb-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--col-text);
  line-height: 1;
}
.csb-plus { color: var(--col-accent); font-weight: 800; font-size: 1.6rem; }
.csb-label { display: block; font-size: 0.75rem; color: var(--col-muted); margin-top: 4px; font-weight: 500; }
.csb-divider { width: 1px; height: 48px; background: var(--col-border); flex-shrink: 0; }

/* ══════════════════════════════════════
   SEMINAR SECTION
══════════════════════════════════════ */
.seminar-section { background: var(--col-bg); }
.seminar-eyebrow { background: rgba(245,168,0,0.1); color: var(--col-accent-dark); }

.seminar-featured {
  margin-bottom: 28px;
}
.seminar-feat-img {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 420px;
  background: #1a1a2e;
  box-shadow: var(--shadow-lg);
}
.seminar-feat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: var(--transition);
}
.seminar-feat-img:hover img { opacity: 1; transform: scale(1.02); }
.seminar-feat-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  padding: 40px 32px 28px;
}
.seminar-feat-caption p {
  color: rgba(255,255,255,0.75);
  font-size: 0.92rem;
  margin-top: 8px;
}
.sfc-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--col-accent);
  border-radius: 100px;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.seminar-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.sg-card {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.sg-card:hover {
  border-color: var(--col-border-lit);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}
.sg-img-wrap {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.sg-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.sg-card:hover .sg-img-wrap img { transform: scale(1.06); }
.sg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.sg-card:hover .sg-overlay { opacity: 1; }
.sg-overlay span {
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 16px;
  background: rgba(245,168,0,0.9);
  border-radius: 100px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.sg-info { padding: 18px; }
.sg-tag {
  display: inline-block;
  padding: 2px 10px;
  background: var(--col-accent-light);
  color: var(--col-accent-dark);
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 8px;
}
.sg-info h4 { font-size: 0.88rem; margin-bottom: 6px; line-height: 1.4; }
.sg-info p { font-size: 0.76rem; color: var(--col-muted); line-height: 1.55; }

.seminar-stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  border-top: 1px solid var(--col-border);
  border-bottom: 1px solid var(--col-border);
  padding: 28px 0;
  margin-bottom: 40px;
}
.ssb-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border-right: 1px solid var(--col-border);
  padding: 8px 24px;
}
.ssb-item:last-child { border-right: none; }
.ssb-icon { font-size: 1.5rem; margin-bottom: 4px; }
.ssb-item strong { font-family: var(--font-display); font-size: 1rem; font-weight: 800; color: var(--col-text); }
.ssb-item span { font-size: 0.75rem; color: var(--col-muted); font-weight: 500; text-align: center; }

/* ══════════════════════════════════════
   BLOGS SECTION
══════════════════════════════════════ */
.blogs-section { background: var(--col-surface); }
.blogs-eyebrow { background: #f0f0f0; color: #555; }

.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.blog-card {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.blog-card:hover {
  border-color: var(--col-border-lit);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.bc-img-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #1a1a2e;
}
.bc-img-side { height: 160px; }
.bc-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.blog-card:hover .bc-img-wrap img { transform: scale(1.04); }
.bc-cat {
  position: absolute;
  top: 14px; left: 14px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #fff;
}
.bc-cat-led  { background: var(--col-accent); }
.bc-cat-tools{ background: var(--col-total); }
.bc-cat-guide{ background: var(--col-ingco); }

.bc-body { padding: 22px; }
.bc-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.bc-date {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  color: var(--col-faint);
}
.bc-date svg { flex-shrink: 0; }
.bc-read {
  font-size: 0.72rem;
  color: var(--col-faint);
  background: var(--col-surface);
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid var(--col-border);
}
.blog-card-featured .bc-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.4;
  font-weight: 700;
}
.blog-card-side .bc-body h4 {
  font-size: 0.92rem;
  margin-bottom: 8px;
  line-height: 1.4;
}
.bc-body p { font-size: 0.82rem; color: var(--col-muted); line-height: 1.6; margin-bottom: 18px; }
.bc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--col-border);
}
.bc-author {
  display: flex;
  align-items: center;
  gap: 8px;
}
.bc-author-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--col-accent), #ff9a00);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.bc-author span { font-size: 0.78rem; font-weight: 600; color: var(--col-text-2); }
.bc-read-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--col-accent-dark);
  transition: var(--transition);
  white-space: nowrap;
}
.bc-read-link:hover { gap: 8px; color: var(--col-accent); }
.blog-side-cards { display: flex; flex-direction: column; gap: 24px; }

/* ══════════════════════════════════════
   CONTACT SECTION
══════════════════════════════════════ */
.contact-section { background: var(--col-bg); }
.contact-eyebrow { background: var(--col-accent-light); color: var(--col-accent-dark); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 32px;
  align-items: start;
}
.contact-info-card {
  background: linear-gradient(145deg, #1a1a2e 0%, #2d2d50 100%);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}
.contact-info-card::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(245,168,0,0.18), transparent 70%);
  pointer-events: none;
}
.contact-info-card h3 { color: #fff; font-size: 1.3rem; margin-bottom: 10px; }
.contact-info-card > p { color: rgba(255,255,255,0.55); font-size: 0.88rem; margin-bottom: 28px; }

.ci-items { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.ci-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  transition: var(--transition);
  color: inherit;
}
.ci-item:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
  transform: translateX(4px);
}
.ci-whatsapp { background: rgba(37,211,102,0.12); border-color: rgba(37,211,102,0.25); }
.ci-whatsapp:hover { background: rgba(37,211,102,0.2); border-color: rgba(37,211,102,0.4); }
.ci-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.ci-icon-phone { background: var(--col-accent); }
.ci-icon-email { background: var(--col-ingco); }
.ci-icon-loc { background: var(--col-total); }
.ci-text { flex: 1; }
.ci-text strong { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.9); font-weight: 600; margin-bottom: 2px; }
.ci-text span { font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.ci-arrow { color: rgba(255,255,255,0.35); flex-shrink: 0; }
.ci-item-location { cursor: default; }
.ci-item-location:hover { transform: none; }

.ci-hours {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
}
.ci-hours h5 { color: rgba(255,255,255,0.45); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.ci-hours-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 16px;
}
.ci-hours-grid span { font-size: 0.8rem; color: rgba(255,255,255,0.55); }
.ci-hours-time { font-weight: 600; color: rgba(255,255,255,0.85) !important; }

/* Form card */
.contact-form-card {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
}
.contact-form-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.contact-form-card > p { font-size: 0.88rem; color: var(--col-muted); margin-bottom: 28px; }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.cf-row { display: flex; gap: 14px; }
.cf-row-2 > .cf-field { flex: 1; }
.cf-field { display: flex; flex-direction: column; gap: 6px; }
.cf-field label { font-size: 0.78rem; font-weight: 600; color: var(--col-text-2); }
.cf-field input,
.cf-field select,
.cf-field textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--col-border);
  border-radius: var(--radius-md);
  background: var(--col-surface);
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--col-text);
  transition: var(--transition);
  outline: none;
  resize: vertical;
}
.cf-field input:focus,
.cf-field select:focus,
.cf-field textarea:focus {
  border-color: var(--col-accent);
  background: var(--col-bg);
  box-shadow: 0 0 0 3px rgba(211,47,47,0.12);
}
.cf-field input::placeholder,
.cf-field textarea::placeholder { color: var(--col-faint); }
.cf-field select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }

.cf-success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-md);
  color: #15803d;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ══════════════════════════════════════
   ABOUT PAGE FIXES
══════════════════════════════════════ */
/* section-tag = same as section-eyebrow */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  border-radius: 100px;
  background: var(--col-accent-light);
  color: var(--col-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.about-story h2 { font-weight: 800; }
.about-story p { font-size: 0.96rem; line-height: 1.75; }
/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item {
  display: flex;
  gap: 20px;
  padding-bottom: 28px;
  opacity: 0;
  transform: translateY(24px);
}
.tl-item.visible { opacity: 1; transform: translateY(0); transition: opacity 0.55s ease, transform 0.55s ease; }
.tl-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  width: 52px;
}
.tl-year {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--col-accent-light);
  border: 2px solid var(--col-accent);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--col-accent-dark);
  flex-shrink: 0;
}
.tl-line {
  flex: 1;
  width: 2px;
  background: var(--col-border);
  margin: 6px 0;
  min-height: 30px;
}
.tl-content { padding-top: 12px; }
.tl-content h4 { margin-bottom: 6px; font-size: 0.95rem; }
.tl-content p  { font-size: 0.82rem; color: var(--col-muted); line-height: 1.6; }
/* Team section */
.team-section {
  background: var(--col-surface);
  padding: 80px 0;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover { border-color: var(--col-border-lit); transform: translateY(-5px); box-shadow: var(--shadow-card); }
.team-avatar {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--col-accent), #ff9a00);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  margin: 0 auto 16px;
}
.team-card h4 { font-size: 1rem; margin-bottom: 4px; }
.team-card span { font-size: 0.76rem; color: var(--col-accent-dark); font-weight: 600; display: block; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.07em; }
.team-card p { font-size: 0.82rem; color: var(--col-muted); line-height: 1.6; }
/* Values (why-feature fix) */
.why-feature {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.why-feature:hover { border-color: var(--col-border-lit); box-shadow: var(--shadow-sm); }
.why-icon {
  font-size: 1.4rem;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.why-feature h4 { font-size: 0.88rem; margin-bottom: 4px; }
.why-feature p  { font-size: 0.78rem; color: var(--col-muted); line-height: 1.55; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1100px) {
  .hero-container { grid-template-columns: 1fr; max-width: 680px; text-align: center; }
  .hero-left { order: 1; display: flex; flex-direction: column; align-items: center; }
  .hero-right { order: 2; width: 100%; }
  .hero-badge { align-self: center; }
  .hero-sub { margin-left: auto; margin-right: auto; max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .huidu-products-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }

  /* ── Navbar always solid on mobile ── */
  .navbar {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--col-border);
    padding: 10px 0;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  }

  /* ── Dim overlay behind the drawer ── */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17,24,39,0.52);
    z-index: 997;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
  }
  .nav-overlay.open {
    opacity: 1;
    pointer-events: all;
  }

  /* ── Mobile drawer — always flex so transitions work ── */
  .nav-links {
    display: flex !important;
    visibility: hidden;
    position: fixed;
    top: 0; right: 0;
    width: min(300px, 88vw);
    height: 100dvh;
    height: 100vh; /* fallback */
    background: #fff;
    flex-direction: column;
    padding: 0;
    gap: 0;
    border-left: 1px solid var(--col-border);
    z-index: 999;
    transform: translateX(105%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.35s;
    box-shadow: -16px 0 64px rgba(0,0,0,0.22);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links.open {
    transform: translateX(0);
    visibility: visible;
  }

  /* ── Drawer header (injected by JS) ── */
  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 64px;
    min-height: 64px;
    background: linear-gradient(135deg, var(--col-accent) 0%, #8b0000 100%);
    flex-shrink: 0;
  }
  .mobile-menu-logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
    letter-spacing: -0.02em;
  }
  .mobile-menu-logo span { opacity: 0.72; }
  .mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px; height: 34px;
    background: rgba(255,255,255,0.18);
    border: 1.5px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-sm);
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
  }
  .mobile-menu-close:hover { background: rgba(255,255,255,0.3); }

  /* ── Sub-label under header ── */
  .mobile-menu-sub {
    padding: 10px 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--col-faint);
    background: var(--col-surface);
    border-bottom: 1px solid var(--col-border);
    flex-shrink: 0;
  }

  /* ── Nav items ── */
  .nav-links li {
    border-bottom: 1px solid var(--col-border);
  }
  .nav-link {
    display: flex;
    align-items: center;
    padding: 15px 22px;
    font-size: 0.93rem;
    font-weight: 600;
    color: var(--col-text-2);
    border-radius: 0;
    width: 100%;
    gap: 10px;
    border-left: 3px solid transparent;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  }
  .nav-link::after {
    content: '›';
    margin-left: auto;
    font-size: 1.1rem;
    color: var(--col-faint);
    transition: transform 0.18s ease, color 0.18s ease;
  }
  .nav-link:hover {
    background: var(--col-surface);
    color: var(--col-text);
    border-left-color: var(--col-border-lit);
  }
  .nav-link:hover::after { transform: translateX(3px); color: var(--col-accent); }
  .nav-link.active {
    color: var(--col-accent);
    background: var(--col-accent-light);
    border-left-color: var(--col-accent);
  }
  .nav-link.active::after { color: var(--col-accent); }

  /* ── Drawer footer CTA (injected by JS) ── */
  .mobile-menu-footer {
    padding: 18px 20px;
    border-top: 1px solid var(--col-border);
    background: var(--col-surface);
    flex-shrink: 0;
    margin-top: auto;
  }
  .mobile-menu-footer-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--col-faint);
    margin-bottom: 10px;
  }
  .mobile-wa-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    padding: 13px 18px;
    background: #25D366;
    color: #fff !important;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 3px 12px rgba(37,211,102,0.28);
  }
  .mobile-wa-btn:hover {
    background: #1eb55a;
    transform: translateY(-1px);
    box-shadow: 0 5px 18px rgba(37,211,102,0.38);
  }

  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .process-steps { flex-direction: column; align-items: stretch; }
  .process-connector { transform: rotate(90deg); text-align: center; }
  .why-features { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .hero { padding: 80px 0 48px; }
  .hero-container { padding: 0 16px; }
  .hero-stats { flex-direction: column; align-items: center; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
  .hero-actions { flex-direction: column; align-items: center; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .brand-slider-tabs { flex-wrap: wrap; }
  .slider-tab { flex: 1 1 auto; min-width: 0; font-size: 0.72rem; padding: 8px 6px; }
  .slide-products { grid-template-columns: 1fr 1fr; }
  .huidu-products-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .trust-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .trust-badges { display: none; }
}

/* Very small phones */
@media (max-width: 400px) {
  .hero-title { font-size: 1.85rem; }
  .brand-slider-wrap { padding: 18px 14px; }
  .brand-slider-tabs { gap: 4px; }
  .slider-tab { font-size: 0.68rem; padding: 7px 4px; }
  .slide-products { grid-template-columns: 1fr; }
  .hero-actions .btn { font-size: 0.9rem; padding: 13px 20px; }
}

/* New sections responsive */
@media (max-width: 1100px) {
  .contact-grid { grid-template-columns: 1fr; }
  .seminar-gallery { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .about-story { grid-template-columns: 1fr; gap: 48px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .clients-stat-bar { padding: 20px 24px; }
  .csb-divider { display: none; }
  .csb-item { min-width: 80px; }
  .seminar-feat-img { height: 300px; }
  .why-features { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 680px) {
  .seminar-gallery { grid-template-columns: 1fr; }
  .clients-stat-bar { flex-direction: column; gap: 20px; border-radius: var(--radius-lg); }
  .csb-item { border-right: none; padding: 6px 0; }
  .seminar-stats-bar { flex-wrap: wrap; }
  .ssb-item { flex: 0 0 50%; border-right: none; border-bottom: 1px solid var(--col-border); }
  .ssb-item:nth-child(3), .ssb-item:nth-child(4) { border-bottom: none; }
  .cf-row-2 { flex-direction: column; }
  .contact-form-card, .contact-info-card { padding: 24px 20px; }
  .team-grid { grid-template-columns: 1fr; }
  .about-story { grid-template-columns: 1fr; }
  .why-features { grid-template-columns: 1fr !important; }
  .seminar-feat-img { height: 220px; }
}