@charset "utf-8";
/* CSS Document */


:root {
  --ink: #0d0d0d;
  --ink2: #3a3a3a;
  --ink3: #777;
  --bg: #f5f3ef;
  --bg2: #eceae4;
  --bg3: #ffffff;
  --accent: #d4500a;
  --accent2: #f07030;
  --blue: #1a3a6b;
  --border: rgba(13,13,13,0.12);
  --border2: rgba(13,13,13,0.06);
  --radius: 4px;
  --radius-lg: 8px;
}

/* ── HERO ── */
.hero {
  background: url(https://www.hitulcd.com/uploadfile/202605/46360f3e7d9abf1672be88005f918c14.jpg);
  padding: 5rem 2rem 4rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(255,255,255,0.015) 0px,
    rgba(255,255,255,0.015) 1px,
    transparent 1px,
    transparent 60px
  );
}
.hero-inner { max-width: 1300PX; margin: 0 auto; position: relative; }
.hero-tag {
  display: inline-block;
  border: 1px solid #3974c6; color: var(--accent2);
  font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 2px; margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800; color: #fff;
  line-height: 1.05; letter-spacing: -0.02em;
  max-width: 800px; margin-bottom: 1.5rem;
}
.hero h1 em { color: var(--accent2); font-style: normal; }
.hero-desc {
  color: rgba(255,255,255,0.6);
  font-size: 16px; max-width: 580px; line-height: 1.75;
  margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: #3974c6; color: #fff;
  padding: 13px 28px; border-radius: var(--radius);
  text-decoration: none; font-weight: 500; font-size: 14px;
  letter-spacing: 0.02em; transition: background .2s, transform .15s;
  display: inline-block;
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid rgba(255,255,255,0.25); color: rgba(255,255,255,0.85);
  padding: 13px 28px; border-radius: var(--radius);
  text-decoration: none; font-weight: 500; font-size: 14px;
  letter-spacing: 0.02em; transition: border-color .2s, color .2s;
  display: inline-block;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.6); color: #fff; }

.hero-stats {
  display: flex; gap: 0; margin-top: 4rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
}
.hero-stat { flex: 1; padding-right: 2rem; }
.hero-stat + .hero-stat { border-left: 1px solid rgba(255,255,255,0.1); padding-left: 2rem; }
.hero-stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem; font-weight: 800; color: #fff;
  letter-spacing: -0.02em; line-height: 1;
}
.hero-stat-num span { color: var(--accent2); }
.hero-stat-lbl { font-size: 12px; color: rgba(255,255,255,0.45); margin-top: 4px; letter-spacing: 0.04em; text-transform: uppercase; }

/* ── SECTION LAYOUT ── */
.section { padding: 5rem 2rem; }
.section-inner { max-width: 1300PX; margin: 0 auto; }
.section-header { margin-bottom: 3rem; }
.section-label {
  font-size: 11px; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: #3974c6;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700; color: var(--ink);
  line-height: 1.15; letter-spacing: -0.015em;
}
.section-desc {
  font-size: 15px; color: var(--ink3);
  max-width: 600px; margin-top: 0.75rem; line-height: 1.7;
}

/* ── INTRO TEXT ── */
.intro-section { background: var(--bg3); border-bottom: 1px solid var(--border); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.intro-body { font-size: 15px; color: var(--ink2); line-height: 1.8; }
.intro-body p + p { margin-top: 1rem; }
.intro-body strong { color: var(--ink); font-weight: 500; }
.intro-aside { display: flex; flex-direction: column; gap: 16px; }
.spec-pill {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 14px 18px;
}
.spec-icon {
  width: 38px; height: 38px; border-radius: var(--radius);
  background: #3974c6; display: flex; align-items: center;
  justify-content: center; flex-shrink: 0;
  font-size: 16px;
}
.spec-pill-text strong { display: block; font-size: 14px; font-weight: 500; color: var(--ink); }
.spec-pill-text span { font-size: 12px; color: var(--ink3); }

/* ── PRODUCTS ── */
.products-section { background: var(--bg); }

.filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 2rem;
}
.filter-btn {
  padding: 7px 16px; border-radius: 100px;
  border: 1px solid var(--border); background: transparent;
  font-size: 13px; font-weight: 500; color: var(--ink2);
  cursor: pointer; transition: all .15s; font-family: 'DM Sans', sans-serif;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--ink); color: #fff; border-color: var(--ink);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  cursor: pointer;
}
.product-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.product-img {
  width: 100%; aspect-ratio: 16/9;
  background: var(--bg2);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  position: relative;
}
.bar-visual {
  width: 80%; height: 28%;
  background: linear-gradient(90deg, #1a6af5 0%, #00d4ff 100%);
  border-radius: 3px;
  box-shadow: 0 0 30px rgba(26,106,245,0.5);
  display: flex; align-items: center; justify-content: center;
}
.bar-visual span {
  color: rgba(255,255,255,0.9); font-size: 11px;
  font-family: 'Syne', sans-serif; font-weight: 700;
  letter-spacing: 0.1em;
}
.product-badge {
  position: absolute; top: 10px; left: 10px;
  background: #3974c6; color: #fff;
  font-size: 10px; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 2px;
}
.product-body { padding: 18px 20px 20px; }
.product-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px; font-weight: 700; color: var(--ink);
  margin-bottom: 10px; line-height: 1.3;
}
.product-specs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px; margin-bottom: 14px;
}
.spec-item { font-size: 11px; }
.spec-item-lbl { color: var(--ink3); }
.spec-item-val { color: var(--ink); font-weight: 500; }
.product-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tag {
  font-size: 10px; padding: 3px 8px;
  background: var(--bg2); border-radius: 2px;
  color: var(--ink2); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
}
.product-actions { display: flex; gap: 8px; }
.btn-card-primary {
  flex: 1; text-align: center;
  background: var(--ink); color: #fff;
  padding: 9px 14px; border-radius: var(--radius);
  text-decoration: none; font-size: 12px; font-weight: 500;
  letter-spacing: 0.03em; text-transform: uppercase;
  transition: background .15s;
}
.btn-card-primary:hover { background: #3974c6; }
.btn-card-ghost {
  border: 1px solid var(--border); color: var(--ink2);
  padding: 9px 14px; border-radius: var(--radius);
  text-decoration: none; font-size: 12px; font-weight: 500;
  letter-spacing: 0.03em; text-transform: uppercase;
  transition: border-color .15s;
}
.btn-card-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* ── USE CASES ── */
.usecases-section { background: var(--ink); }
.usecases-section .section-title { color: #fff; }
.usecases-section .section-desc { color: rgba(255,255,255,0.5); }
.usecases-section .section-label { color: var(--accent2); }

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg); overflow: hidden;
  margin-top: 3rem;
}
.usecase-card {
  background: rgba(255,255,255,0.03);
  padding: 2rem 1.75rem;
  border-right: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background .2s;
}
.usecase-card:hover { background: rgba(255,255,255,0.07); }
.usecase-icon {
  width: 44px; height: 44px;
  background: #3974c6;
  border: 1px solid rgba(212,80,10,0.3);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 1.25rem;
}
.usecase-title {
  font-family: 'Syne', sans-serif;
  font-size: 16px; font-weight: 700; color: #fff;
  margin-bottom: 8px;
}
.usecase-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.65; }
.usecase-models { margin-top: 12px; font-size: 11px; color: var(--accent2); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }

/* ── SELECTION GUIDE ── */
.guide-section { background: var(--bg3); }
.guide-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; font-size: 14px;
}
.guide-table th {
  background: var(--ink); color: #fff;
  font-family: 'Syne', sans-serif; font-weight: 600;
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 14px 18px; text-align: left;
}
.guide-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border2);
  color: var(--ink2); vertical-align: top;
}
.guide-table tr:last-child td { border-bottom: none; }
.guide-table tr:nth-child(even) td { background: var(--bg); }
.guide-table td:first-child { font-weight: 500; color: var(--ink); }
.rec-badge {
  display: inline-block;
  background: rgba(212,80,10,0.1); color: #3974c6;
  border: 1px solid rgba(212,80,10,0.25);
  font-size: 11px; font-weight: 500; padding: 2px 8px;
  border-radius: 2px; white-space: nowrap;
}

/* ── TESTIMONIALS ── */
.reviews-section { background: var(--bg); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.review-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem;
}
.stars { color: #f5a623; font-size: 14px; margin-bottom: 12px; }
.review-text { font-size: 14px; color: var(--ink2); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.avatar-blue { background: rgba(26,58,107,0.15); color: var(--blue); }
.avatar-orange { background: rgba(212,80,10,0.12); color: #3974c6; }
.avatar-green { background: rgba(20,120,60,0.12); color: #14783c; }
.avatar-teal { background: rgba(0,130,120,0.12); color: #008278; }
.review-author-name { font-size: 13px; font-weight: 500; color: var(--ink); }
.review-author-role { font-size: 11px; color: var(--ink3); }

/* ── TRUST / CERTS ── */
.trust-section {
  background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.trust-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.5rem;
}
.trust-card {
  text-align: center; padding: 1.5rem;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.trust-icon-wrap {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif; font-weight: 800; font-size: 13px;
  margin: 0 auto 12px; letter-spacing: 0.05em;
}
.trust-card-title { font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.trust-card-desc { font-size: 12px; color: var(--ink3); line-height: 1.5; }

.company-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem; margin-top: 3rem;
}
.company-stat { text-align: center; }
.company-stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem; font-weight: 800; color: var(--ink);
  line-height: 1; letter-spacing: -0.02em;
}
.company-stat-num sup { font-size: 1.4rem; vertical-align: super; color: #3974c6; }
.company-stat-lbl { font-size: 12px; color: var(--ink3); margin-top: 4px; letter-spacing: 0.04em; text-transform: uppercase; }

/* ── FAQ ── */
.faq-section { background: var(--bg3); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; }
.faq-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.faq-item:last-child, .faq-item:nth-last-child(2) { border-bottom: none; }
.faq-q {
  font-family: 'Syne', sans-serif;
  font-size: 15px; font-weight: 600; color: var(--ink);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.faq-toggle {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--bg2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 14px; color: var(--ink3); transition: all .2s;
}
.faq-item.open .faq-toggle { background: #3974c6; border-color: #3974c6; color: #fff; transform: rotate(45deg); }
.faq-a {
  font-size: 14px; color: var(--ink2); line-height: 1.75;
  max-height: 0; overflow: hidden; transition: max-height .3s ease, margin-top .2s;
}
.faq-item.open .faq-a { max-height: 200px; margin-top: 12px; }

/* ── CTA SECTION ── */
.cta-section {
  background: #3974c6;
  padding: 5rem 2rem; text-align: center;
}
.cta-section h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800; color: #fff; margin-bottom: 1rem;
}
.cta-section p { color: rgba(255,255,255,0.8); font-size: 16px; max-width: 500px; margin: 0 auto 2rem; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-white {
  background: #fff; color: #3974c6;
  padding: 14px 32px; border-radius: var(--radius);
  text-decoration: none; font-weight: 600; font-size: 14px;
  letter-spacing: 0.02em; transition: transform .15s, box-shadow .15s;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.btn-white-outline {
  border: 2px solid rgba(255,255,255,0.6); color: #fff;
  padding: 14px 32px; border-radius: var(--radius);
  text-decoration: none; font-weight: 500; font-size: 14px;
  letter-spacing: 0.02em; transition: border-color .15s;
}
.btn-white-outline:hover { border-color: #fff; }



/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 1rem; }
  .nav-links { display: none; }
  .hero { padding: 3rem 1rem 2.5rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .hero-stat + .hero-stat { border-left: none; border-top: 1px solid rgba(255,255,255,0.1); padding-left: 0; padding-top: 1.5rem; }
  .section { padding: 3rem 1rem; }
  .intro-grid { grid-template-columns: 1fr; gap: 2rem; }
  .company-stats { grid-template-columns: 1fr 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
  .guide-table { font-size: 13px; }
  .guide-table th, .guide-table td { padding: 10px 12px; }
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-inner > * {
  animation: fadeUp 0.6s ease both;
}
.hero-inner > *:nth-child(1) { animation-delay: 0.05s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.12s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.2s; }
.hero-inner > *:nth-child(4) { animation-delay: 0.28s; }
.hero-inner > *:nth-child(5) { animation-delay: 0.36s; }