/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #1a56db;
  --blue-dark: #1240a8;
  --blue-light: #3b82f6;
  --blue-pale: #eff6ff;
  --purple-pale: #f5f3ff;
  --teal-pale: #f0fdfa;
  --amber-pale: #fffbeb;
  --slate: #f8fafc;
  --gray: #f1f5f9;
  --gray-2: #e2e8f0;
  --gray-3: #cbd5e1;
  --text: #0f172a;
  --text-2: #334155;
  --text-muted: #64748b;
  --white: #ffffff;
  --radius: 14px;
  --shadow-sm: 0 1px 4px rgba(15,23,42,0.06);
  --shadow: 0 4px 20px rgba(15,23,42,0.08);
  --shadow-lg: 0 12px 40px rgba(15,23,42,0.12);
  --transition: 0.22s ease;
  --nav-h: 80px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(26,86,219,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline:hover {
  background: var(--blue-pale);
  color: var(--blue-dark);
}

.btn-full { width: 100%; justify-content: center; }

/* ===== NAV ===== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-nav.scrolled {
  border-color: var(--gray-2);
  box-shadow: 0 2px 20px rgba(15,23,42,0.07);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.nav-logo img { height: 55px; }

.nav-tagline {
  font-size: 0.8rem;
  font-weight: 600;
  background: linear-gradient(135deg, #3b82f6, #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  border-left: 1px solid var(--gray-2);
  padding-left: 14px;
  line-height: 1.4;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--blue); background: var(--blue-pale); }

.nav-links a.nav-cta {
  background: var(--blue);
  color: var(--white);
  padding: 9px 20px;
  margin-left: 10px;
  border-radius: 8px;
}
.nav-links a.nav-cta:hover {
  background: var(--blue-dark);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(26,86,219,0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* dot grid */
.hero-dotgrid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #c7d2fe 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.5;
  pointer-events: none;
}

/* ---- parallax floating shapes ---- */
.hero-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.hs {
  position: absolute;
  will-change: transform;
}
.hs-1 {
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.10) 0%, transparent 70%);
  top: -120px; right: -80px;
}
.hs-2 {
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.08) 0%, transparent 70%);
  bottom: 40px; left: -60px;
}
.hs-3 {
  width: 280px; height: 280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.07) 0%, transparent 70%);
  top: 38%; right: 10%;
}
.hs-4 {
  width: 76px; height: 76px; border-radius: 18px;
  background: rgba(59,130,246,0.06);
  border: 1.5px solid rgba(59,130,246,0.18);
  top: 14%; left: 7%;
  transform: rotate(18deg);
  animation: hsFloat 7s 0s ease-in-out infinite;
}
.hs-5 {
  width: 50px; height: 50px; border-radius: 50%;
  background: rgba(124,58,237,0.07);
  border: 1.5px solid rgba(124,58,237,0.2);
  top: 20%; right: 9%;
  animation: hsFloat 6s 1.2s ease-in-out infinite;
}
.hs-6 {
  width: 62px; height: 62px; border-radius: 14px;
  background: rgba(13,148,136,0.06);
  border: 1.5px solid rgba(13,148,136,0.18);
  bottom: 24%; right: 6%;
  transform: rotate(-14deg);
  animation: hsFloat 8s 0.6s ease-in-out infinite;
}
@keyframes hsFloat {
  0%, 100% { transform: translateY(0) rotate(var(--r,0deg)); }
  50%       { transform: translateY(-14px) rotate(var(--r,0deg)); }
}

/* ---- center content ---- */
.hero-center {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  padding: 0 28px 140px;
  will-change: transform, opacity;
}

.hero-pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}
.hero-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--blue);
  opacity: 0;
  animation: pulseRing 2s ease-out infinite;
}
@keyframes pulseRing {
  0%   { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* three-line title */
.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 28px;
}

/* hero lines — 入场动画结束后由 JS 接管，不用 fill-mode */
.hero-line-1 {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideFromLeft 0.85s 0.1s cubic-bezier(0.22,1,0.36,1) forwards;
}
.hero-line-2 {
  opacity: 0;
  transform: translateY(28px);
  animation: fadeUp 0.85s 0.3s cubic-bezier(0.22,1,0.36,1) forwards;
  color: var(--text-2);
  font-size: 0.88em;
  font-weight: 700;
}
.hero-line-3 {
  opacity: 0;
  transform: translateX(50px);
  animation: slideFromRight 0.85s 0.5s cubic-bezier(0.22,1,0.36,1) forwards;
}
/* 入场完成后切换为 JS 可控状态 */
.hero-line-1.animated,
.hero-line-2.animated,
.hero-line-3.animated {
  animation: none;
  opacity: 1;
  transform: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 auto 36px;
  line-height: 1.85;
  opacity: 0;
  animation: fadeUp 0.7s 0.7s ease forwards;
}
.hero-sub.animated {
  animation: none;
  opacity: 1;
  transform: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s 0.88s ease forwards;
}
.hero-actions.animated {
  animation: none;
  opacity: 1;
  transform: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 32px;
  padding: 7px 18px;
  background: var(--blue-pale);
  border: 1px solid rgba(26,86,219,0.15);
  border-radius: 100px;
  transition: opacity 0.35s ease;
}

.hero-em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
.hero-em::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--blue), #7c3aed);
  border-radius: 2px;
  transform-origin: left;
  animation: underlineGrow 0.9s 1.1s cubic-bezier(0.4,0,0.2,1) both;
}
@keyframes underlineGrow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 auto 36px;
  line-height: 1.85;
  opacity: 0;
  animation: fadeUp 0.7s 0.7s ease both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s 0.88s ease both;
}

/* ---- corner decorations ---- */
.hero-corner {
  position: absolute;
  width: 80px; height: 80px;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  animation: fadeUp 0.6s 1.4s ease both;
}
.hero-corner-tl { top: 24px;    left: 24px; }
.hero-corner-tr { top: 24px;    right: 24px; }
.hero-corner-bl { bottom: 90px; left: 24px; }
.hero-corner-br { bottom: 90px; right: 24px; }

.hc-line {
  position: absolute;
  background: rgba(26,86,219,0.2);
}
.hc-line-h { width: 60px; height: 1px; top: 0; left: 0; }
.hc-line-v { width: 1px; height: 60px; top: 0; left: 0; }

.hero-corner-tr .hc-line-h { left: auto; right: 0; }
.hero-corner-tr .hc-line-v { left: auto; right: 0; }
.hero-corner-bl .hc-line-h { top: auto; bottom: 0; }
.hero-corner-bl .hc-line-v { top: auto; bottom: 0; }
.hero-corner-br .hc-line-h { top: auto; bottom: 0; left: auto; right: 0; }
.hero-corner-br .hc-line-v { top: auto; bottom: 0; left: auto; right: 0; }

.hc-label {
  position: absolute;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(26,86,219,0.45);
  font-family: 'Courier New', monospace;
  white-space: nowrap;
}
.hero-corner-tl .hc-label { top: 8px;  left: 8px; }
.hero-corner-tr .hc-label { top: 8px;  right: 8px; text-align: right; }
.hero-corner-bl .hc-label { bottom: 8px; left: 8px; }
.hero-corner-br .hc-label { bottom: 8px; right: 8px; text-align: right; }

/* ---- scanning line ---- */
.hero-scanline {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59,130,246,0.3), transparent);
  pointer-events: none;
  animation: scanMove 6s linear infinite;
  z-index: 1;
}
@keyframes scanMove {
  0%   { top: 10%; opacity: 0; }
  5%   { opacity: 1; }
  95%  { opacity: 1; }
  100% { top: 90%; opacity: 0; }
}


.hero-chips {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.hero-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  background: #fff;
  border: 1px solid var(--gray-2);
  box-shadow: 0 2px 12px rgba(15,23,42,0.08);
  color: var(--text-2);
  white-space: nowrap;
  opacity: 0;
}
.hero-chip i { font-size: 0.68rem; }

/* spread across hero — irregular positions, not aligned */
.hc-1 { top: 13%;  left: 6%;   color:#3b82f6; border-color:rgba(59,130,246,0.25);  animation: chipIn 0.5s 1.1s ease both, chipFloat 6.2s 1.6s ease-in-out infinite; }
.hc-2 { top: 22%;  right: 5%;  color:#7c3aed; border-color:rgba(124,58,237,0.25); animation: chipIn 0.5s 1.2s ease both, chipFloat 7.4s 1.7s ease-in-out infinite; }
.hc-3 { top: 58%;  left: 5%;   color:#0d9488; border-color:rgba(13,148,136,0.25); animation: chipIn 0.5s 1.3s ease both, chipFloat 5.8s 1.8s ease-in-out infinite; }
.hc-4 { top: 72%;  right: 8%;  color:#f59e0b; border-color:rgba(245,158,11,0.25); animation: chipIn 0.5s 1.4s ease both, chipFloat 8.1s 1.9s ease-in-out infinite; }
.hc-5 { top: 38%;  right: 4%;  color:#ec4899; border-color:rgba(236,72,153,0.25); animation: chipIn 0.5s 1.5s ease both, chipFloat 6.6s 2.0s ease-in-out infinite; }
.hc-6 { top: 82%;  left: 9%;   color:#1a56db; border-color:rgba(26,86,219,0.25);  animation: chipIn 0.5s 1.6s ease both, chipFloat 7.2s 2.1s ease-in-out infinite; }

@keyframes chipIn    { from{opacity:0;transform:scale(0.85)} to{opacity:1;transform:scale(1)} }
@keyframes chipFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }

/* ---- stats bar — slides up on scroll ---- */
.hero-statsbar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 3;
  border-top: 1px solid var(--gray-2);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translateY(100%);
  transition: transform 0.55s cubic-bezier(0.22,1,0.36,1);
}
.hero-statsbar.visible { transform: translateY(0); }

.hero-statsbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: stretch;
}

.hero-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 20px 16px;
}

.hero-stat-val {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  text-align: center;
}

.hero-stat-sep {
  width: 1px;
  background: var(--gray-2);
  margin: 14px 0;
  flex-shrink: 0;
}



/* ===== SECTION SHARED ===== */
.section { padding: 96px 0; }

/* background variants — all light */
.section-white  { background: var(--white); }
.section-slate  { background: var(--slate); }
.section-blue   { background: var(--blue-pale); }
.section-purple { background: var(--purple-pale); }
.section-teal   { background: var(--teal-pale); }
.section-amber  { background: var(--amber-pale); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.2;
}

.section-sub {
  font-size: 0.975rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== CORE CAPABILITIES ===== */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  border-radius: 20px;
  padding: 36px 32px 32px;
  border: 1px solid var(--gray-2);
  background: var(--white);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* subtle inner glow on hover */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:nth-child(1)::before { background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.07), transparent); }
.card:nth-child(2)::before { background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124,58,237,0.07), transparent); }
.card:nth-child(3)::before { background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(13,148,136,0.07), transparent); }

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(15,23,42,0.1);
}
.card:hover::before { opacity: 1; }

/* tinted background per card */
.card:nth-child(1) { background: linear-gradient(160deg, #f0f7ff 0%, #ffffff 55%); border-color: rgba(59,130,246,0.15); }
.card:nth-child(2) { background: linear-gradient(160deg, #f6f3ff 0%, #ffffff 55%); border-color: rgba(124,58,237,0.15); }
.card:nth-child(3) { background: linear-gradient(160deg, #f0fdf9 0%, #ffffff 55%); border-color: rgba(13,148,136,0.15); }

/* top accent line */
.card:nth-child(1)::after { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,#3b82f6,#60a5fa); border-radius:20px 20px 0 0; }
.card:nth-child(2)::after { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,#7c3aed,#a78bfa); border-radius:20px 20px 0 0; }
.card:nth-child(3)::after { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,#0d9488,#34d399); border-radius:20px 20px 0 0; }

.card-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.card:nth-child(1) .card-icon {
  background: linear-gradient(135deg, #dbeafe, #eff6ff);
  box-shadow: 0 2px 0 rgba(59,130,246,0.15), inset 0 1px 0 rgba(255,255,255,0.8);
  border: 1px solid rgba(59,130,246,0.15);
}
.card:nth-child(2) .card-icon {
  background: linear-gradient(135deg, #ede9fe, #f5f3ff);
  box-shadow: 0 2px 0 rgba(124,58,237,0.15), inset 0 1px 0 rgba(255,255,255,0.8);
  border: 1px solid rgba(124,58,237,0.15);
}
.card:nth-child(3) .card-icon {
  background: linear-gradient(135deg, #ccfbf1, #f0fdfa);
  box-shadow: 0 2px 0 rgba(13,148,136,0.15), inset 0 1px 0 rgba(255,255,255,0.8);
  border: 1px solid rgba(13,148,136,0.15);
}

.card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  line-height: 1.2;
  color: var(--text);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.feature-list li {
  font-size: 0.855rem;
  color: var(--text-muted);
  line-height: 1.65;
  padding-left: 16px;
  position: relative;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
}
.card:nth-child(1) .feature-list li::before { background: #3b82f6; }
.card:nth-child(2) .feature-list li::before { background: #7c3aed; }
.card:nth-child(3) .feature-list li::before { background: #0d9488; }

.feature-list li strong { color: var(--text-2); font-weight: 600; }

/* remove old accent card override */
.card-feature--accent { background: unset; border-color: unset; }
.card-feature--accent h3 { color: unset; }
.card-feature--accent .card-icon { background: unset; color: unset; }
.card-feature--accent .feature-list li { color: unset; }
.card-feature--accent .feature-list li strong { color: unset; }

/* ===== SOLUTIONS ===== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.solution-card {
  background: var(--white);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.solution-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(26,86,219,0.25);
}


.solution-num {
  position: absolute;
  top: 14px; right: 14px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--gray-3);
  letter-spacing: 0.05em;
  background: var(--white);
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid var(--gray-2);
}

.solution-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.solution-body {
  padding: 22px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.solution-body h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.45;
}

.solution-body > p {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.65;
}

.solution-body ul {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 18px;
  flex: 1;
}
.solution-body ul li {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.solution-body ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--blue-light);
}

.solution-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
  transition: gap var(--transition), color var(--transition);
}
.solution-link:hover { gap: 9px; color: var(--blue-dark); }

/* ===== INDUSTRIES ===== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.industry-card {
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--white);
  transition: all var(--transition);
  position: relative;
}
.industry-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(26,86,219,0.2);
}

/* tinted left border per card */
.industry-card:nth-child(1) { border-left: 4px solid #3b82f6; }
.industry-card:nth-child(2) { border-left: 4px solid #0d9488; }
.industry-card:nth-child(3) { border-left: 4px solid #f59e0b; }
.industry-card:nth-child(4) { border-left: 4px solid #7c3aed; }

.industry-icon {
  position: absolute;
  top: 14px; left: 18px;
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 1;
}
.industry-card:nth-child(1) .industry-icon { background: #eff6ff; color: #3b82f6; }
.industry-card:nth-child(2) .industry-icon { background: #f0fdfa; color: #0d9488; }
.industry-card:nth-child(3) .industry-icon { background: #fffbeb; color: #f59e0b; }
.industry-card:nth-child(4) .industry-icon { background: #f5f3ff; color: #7c3aed; }

.industry-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.industry-body { padding: 22px 24px; flex: 1; }

.industry-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.industry-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 10px;
  display: block;
}

.industry-body p {
  font-size: 0.855rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== USE CASES ===== */
.cases-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-card {
  display: grid;
  grid-template-columns: 220px 1fr 200px;
  align-items: center;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--gray-2);
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* left accent color per row */
.case-card:nth-child(1) { border-left: 4px solid #0d9488; }
.case-card:nth-child(2) { border-left: 4px solid #3b82f6; }
.case-card:nth-child(3) { border-left: 4px solid #f59e0b; }

/* LEFT col */
.case-card-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 24px;
  border-right: 1px solid var(--gray-2);
  text-align: center;
  height: 100%;
}

.case-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.case-card:nth-child(1) .case-icon { background: #f0fdfa; color: #0d9488; }
.case-card:nth-child(2) .case-icon { background: #eff6ff; color: #3b82f6; }
.case-card:nth-child(3) .case-icon { background: #fffbeb; color: #f59e0b; }

.case-client-wrap { display: flex; flex-direction: column; gap: 3px; }

.case-client {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.case-industry {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* MID col */
.case-card-mid {
  padding: 28px 32px;
}

.case-card-mid h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.case-card-mid p {
  font-size: 0.855rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

/* RIGHT col */
.case-card-right {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--gray-2);
  height: 100%;
}

.case-card-right .metric {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 20px 16px;
}
.case-card-right .metric + .metric {
  border-top: 1px solid var(--gray-2);
}

.metric-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.02em;
}
.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  text-align: center;
}

@media (max-width: 768px) {
  .case-card {
    grid-template-columns: 1fr;
    border-left-width: 1px;
    border-top: 4px solid;
  }
  .case-card:nth-child(1) { border-top-color: #0d9488; }
  .case-card:nth-child(2) { border-top-color: #3b82f6; }
  .case-card:nth-child(3) { border-top-color: #f59e0b; }
  .case-card-left  { border-right: none; border-bottom: 1px solid var(--gray-2); flex-direction: row; justify-content: flex-start; padding: 20px 24px; }
  .case-card-right { border-left: none; border-top: 1px solid var(--gray-2); flex-direction: row; height: auto; }
  .case-card-right .metric + .metric { border-top: none; border-left: 1px solid var(--gray-2); }
}

/* ===== CLIENTS ===== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  align-items: center;
}

.client-logo {
  padding: 14px 12px;
  border: 1px solid var(--gray-2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  transition: all var(--transition);
}
.client-logo:hover {
  border-color: rgba(26,86,219,0.25);
  box-shadow: var(--shadow);
}

.client-logo img {
  width: 100%;
  height: 44px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.55);
  transition: all var(--transition);
}
.client-logo:hover img {
  filter: grayscale(0%) opacity(1);
}

/* ===== CONTACT ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-info .section-label { text-align: left; }
.contact-info .section-title { text-align: left; }

.contact-info > p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.8;
}

.contact-links { display: flex; gap: 48px; }

.contact-nav-group { display: flex; flex-direction: column; gap: 8px; }

.contact-nav-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-nav-group a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color var(--transition);
}
.contact-nav-group a:hover { color: var(--blue); }

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.contact-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.contact-form label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
}

.contact-form input,
.contact-form textarea {
  background: var(--slate);
  border: 1px solid var(--gray-2);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 0.875rem;
  color: var(--text);
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--gray-3); }
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
  background: var(--white);
}

.form-note {
  margin-top: 10px;
  font-size: 0.825rem;
  color: #0d9488;
  text-align: center;
  min-height: 20px;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--text);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-logo img { height: 30px; opacity: 0.75; filter: brightness(10); }

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  margin-left: auto;
}

.footer-back-top {
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  transition: all var(--transition);
}
.footer-back-top:hover {
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .nav-tagline { display: none; }
  .nav-logo img { height: 40px; }
  .section { padding: 72px 0; }

  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--gray-2);
    box-shadow: 0 8px 24px rgba(15,23,42,0.08);
    gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 12px; }
  .nav-links a.nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }

  .hero-chips { display: none; }
  .hero-stat-val { font-size: 1.3rem; }
  .hero-stat { padding: 16px 8px; }
  .hero-statsbar-inner { flex-wrap: wrap; }
  .hero-stat-sep { display: none; }
  .hero-stat { flex: 1 1 40%; border-bottom: 1px solid var(--gray-2); }
  .hero-stat:nth-child(n+5) { border-bottom: none; }
  .cards-3 { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .contact-links { flex-direction: column; gap: 20px; }
  .hero-content { padding-top: 60px; padding-bottom: 80px; }
}

@media (max-width: 480px) {
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2rem; }
  .contact-form-wrap { padding: 22px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}