/* ============================================================
   SnellIoT — Premium Industrial AI Platform
   Design System v2 — Blue Brand / Quicksand / World-Class UI
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  /* Blue Brand Palette */
  --ink:        #050A14;
  --ink-90:     #0A1020;
  --ink-80:     #0F1828;
  --ink-70:     #162135;
  --blue:       #1A56DB;
  --blue-light: #3B82F6;
  --blue-mid:   #2563EB;
  --blue-dark:  #1E40AF;
  --blue-glow:  rgba(26,86,219,0.18);
  --blue-glow2: rgba(59,130,246,0.10);
  --cyan:       #06B6D4;
  --cyan-glow:  rgba(6,182,212,0.12);

  /* Neutrals */
  --steel-900:  #111827;
  --steel-800:  #1F2937;
  --steel-700:  #374151;
  --steel-600:  #4B5563;
  --steel-500:  #6B7280;
  --steel-400:  #9CA3AF;
  --steel-300:  #D1D5DB;
  --steel-200:  #E5E7EB;
  --steel-100:  #F3F4F6;
  --steel-50:   #F9FAFB;
  --white:      #FFFFFF;

  /* Accent for highlights */
  --amber:      #F59E0B;
  --amber-glow: rgba(245,158,11,0.10);
  --success:    #10B981;
  --danger:     #EF4444;

  --font: 'Quicksand', sans-serif;
  --font-mono: 'Courier New', Courier, monospace;

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12), 0 2px 6px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.18), 0 4px 12px rgba(0,0,0,0.10);
  --shadow-xl: 0 24px 80px rgba(0,0,0,0.24);
  --shadow-blue: 0 8px 32px rgba(26,86,219,0.28);

  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.44s cubic-bezier(0.4, 0, 0.2, 1);

  --max-w: 1200px;
  --nav-h: 74px;
}

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

/* ── Typography — Quicksand Only ───────────────────────────── */
.display-xl {
  font-family: var(--font);
  font-size: clamp(2.6rem, 5.5vw, 4.8rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.display-lg {
  font-family: var(--font);
  font-size: clamp(1.9rem, 3.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.display-md {
  font-family: var(--font);
  font-size: clamp(1.4rem, 2.2vw, 2.2rem);
  font-weight: 600;
  line-height: 1.2;
}
h1, h2, h3, h4 { font-family: var(--font); }

/* Premium heading blur-shadow effect */
.heading-glow {
  position: relative;
  display: inline-block;
}
.heading-glow::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  color: var(--blue-light);
  filter: blur(28px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}

.accent { color: var(--blue-light); }
.accent-cyan { color: var(--cyan); }
.mono { font-family: var(--font-mono); }

/* ── Layout ─────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.section-lg { padding: 140px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  background: rgba(5,10,20,0.0);
}
.nav.scrolled {
  background: rgba(5,10,20,0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 4px 32px rgba(0,0,0,0.4);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
/* Logo — show uploaded PNG */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo-img {
  height: 42px;
  width: auto;
  display: block;
  /* invert white on dark backgrounds – logo is white bg, use filter to adapt */
  filter: brightness(1.1);
}
/* Fallback text logo */
.nav-logo-text {
  font-family: var(--font);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}
.nav-logo-text span { color: var(--blue-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
  position: relative;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.nav-link.has-dropdown { user-select: none; }
.nav-link svg { transition: transform var(--transition); }
.nav-link.has-dropdown:hover svg { transform: rotate(180deg); }

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: var(--ink-80);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  padding: 6px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}
.nav-link.has-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 10px 14px;
  font-size: 0.84rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-dropdown a:hover {
  background: rgba(26,86,219,0.15);
  color: var(--white);
  padding-left: 18px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 6px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.nav-mobile-toggle:hover { background: rgba(255,255,255,0.08); }
.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-mid), var(--blue));
  color: var(--white);
  border: 1.5px solid var(--blue);
  box-shadow: 0 2px 12px rgba(26,86,219,0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.24);
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.06);
}
.btn-blue-outline {
  background: transparent;
  color: var(--blue-light);
  border: 1.5px solid var(--blue);
}
.btn-blue-outline:hover {
  background: var(--blue);
  color: var(--white);
}
.btn-dark {
  background: var(--ink-80);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.12);
}
.btn-dark:hover { background: var(--ink-70); border-color: var(--blue); }
.btn-lg { padding: 15px 32px; font-size: 0.96rem; }
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }

/* ── Tags & Labels ──────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  background: rgba(26,86,219,0.10);
  border: 1px solid rgba(26,86,219,0.22);
  border-radius: 100px;
  font-family: var(--font);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-light);
}
.tag-dot {
  width: 6px;
  height: 6px;
  background: var(--blue-light);
  border-radius: 50%;
  animation: pulse-dot 2.2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.75); }
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 700;
}
.section-label::before {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 2px;
}
.section-title {
  font-family: var(--font);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
  position: relative;
}
/* Heading glow/blur effect on dark sections */
.on-dark .section-title,
.on-dark h2 {
  text-shadow: 0 0 60px rgba(59,130,246,0.25);
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--steel-500);
  line-height: 1.7;
  max-width: 580px;
}

/* ── Particle Canvas ────────────────────────────────────────── */
#particle-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ── Scroll Progress ────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  z-index: 2000;
  transition: width 0.1s;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,86,219,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,86,219,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-glow-1 {
  position: absolute;
  top: -15%;
  right: -5%;
  width: 55%;
  height: 65%;
  background: radial-gradient(ellipse, rgba(26,86,219,0.14) 0%, transparent 70%);
  filter: blur(1px);
}
.hero-glow-2 {
  position: absolute;
  bottom: -15%;
  left: -5%;
  width: 45%;
  height: 55%;
  background: radial-gradient(ellipse, rgba(6,182,212,0.09) 0%, transparent 70%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.hero-title { color: var(--white); margin-bottom: 24px; }
.hero-title .accent { color: var(--blue-light); }
.hero-subtitle {
  font-size: 1.07rem;
  color: rgba(255,255,255,0.60);
  line-height: 1.68;
  margin-bottom: 40px;
  max-width: 490px;
  font-weight: 500;
}
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat-value {
  font-family: var(--font);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-stat-value .unit { font-size: 1.1rem; color: var(--blue-light); }
.hero-stat-label { font-size: 0.79rem; color: rgba(255,255,255,0.45); margin-top: 4px; font-weight: 500; }

/* ── Dashboard Widget ───────────────────────────────────────── */
.hero-right { position: relative; }
.dashboard-preview {
  background: var(--ink-80);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(26,86,219,0.15), 0 0 80px rgba(26,86,219,0.08);
}
.dashboard-topbar {
  background: var(--ink-70);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.db-dots { display: flex; gap: 6px; }
.db-dot { width: 10px; height: 10px; border-radius: 50%; }
.db-title { font-family: var(--font-mono); font-size: 0.67rem; color: rgba(255,255,255,0.4); letter-spacing: 0.08em; }
.db-live { display: flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 0.63rem; color: var(--success); }
.db-live-dot { width: 5px; height: 5px; background: var(--success); border-radius: 50%; animation: blink 1.5s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.dashboard-body { padding: 18px; }
.db-machines { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
.db-machine {
  background: var(--ink-70);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 12px;
}
.db-machine-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.db-machine-name { font-family: var(--font-mono); font-size: 0.62rem; color: rgba(255,255,255,0.45); letter-spacing: 0.06em; }
.db-machine-status { width: 6px; height: 6px; border-radius: 50%; }
.db-machine-score { font-family: var(--font); font-size: 1.5rem; font-weight: 700; line-height: 1; }
.db-machine-label { font-size: 0.58rem; color: rgba(255,255,255,0.3); margin-top: 2px; font-family: var(--font-mono); }
.db-machine-bar { height: 3px; background: rgba(255,255,255,0.06); border-radius: 2px; margin-top: 8px; overflow: hidden; }
.db-machine-bar-fill { height: 100%; border-radius: 2px; transition: width 1s ease; }
.status-ok { background: var(--success); }
.status-warn { background: var(--amber); animation: blink 1s infinite; }
.status-crit { background: var(--danger); animation: blink 0.6s infinite; }
.score-ok { color: var(--success); }
.score-warn { color: var(--amber); }
.score-crit { color: var(--danger); }
.db-chart-area {
  background: var(--ink-70);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 12px;
}
.db-chart-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.db-chart-title { font-size: 0.62rem; color: rgba(255,255,255,0.45); font-family: var(--font-mono); letter-spacing: 0.06em; }
.db-chart-value { font-size: 0.68rem; color: var(--blue-light); font-family: var(--font-mono); font-weight: 500; }
.db-chart-canvas { height: 60px; }
.db-chart-canvas svg { width: 100%; height: 100%; }
.db-alerts { display: flex; flex-direction: column; gap: 6px; }
.db-alert {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.59rem;
  letter-spacing: 0.03em;
}
.db-alert-warn { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.14); color: var(--amber); }
.db-alert-ok { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.14); color: var(--success); }
.db-alert-icon { width: 14px; height: 14px; flex-shrink: 0; }

/* ── Ticker ─────────────────────────────────────────────────── */
.ticker {
  background: var(--ink-90);
  border-top: 1px solid rgba(26,86,219,0.15);
  border-bottom: 1px solid rgba(26,86,219,0.15);
  height: 44px;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.ticker::before, .ticker::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}
.ticker::before { left: 0; background: linear-gradient(90deg, var(--ink-90), transparent); }
.ticker::after  { right: 0; background: linear-gradient(-90deg, var(--ink-90), transparent); }
.ticker-label {
  padding: 0 20px;
  font-family: var(--font);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--blue-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  border-right: 1px solid rgba(26,86,219,0.2);
  z-index: 3;
  background: var(--ink-90);
  height: 100%;
  display: flex;
  align-items: center;
}
.ticker-track { display: flex; animation: ticker 32s linear infinite; }
.ticker-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 28px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.45);
  white-space: nowrap;
  letter-spacing: 0.03em;
  border-right: 1px solid rgba(255,255,255,0.04);
}
.ticker-item .val { color: var(--white); font-weight: 500; }
.ticker-item .up { color: var(--success); }
.ticker-item .dn { color: var(--amber); }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ── Trust / Clients ────────────────────────────────────────── */
.trust-section { padding: 56px 0; border-bottom: 1px solid var(--steel-200); }
.trust-label {
  text-align: center;
  font-family: var(--font);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-400);
  margin-bottom: 36px;
  font-weight: 600;
}
.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-logo {
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--steel-400);
  letter-spacing: -0.01em;
  opacity: 0.55;
  transition: opacity var(--transition), color var(--transition);
}
.trust-logo:hover { opacity: 1; color: var(--blue); }

/* ── Problem Section ────────────────────────────────────────── */
.problem-section { background: var(--steel-50); }
.problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.problem-card {
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.problem-card:hover { box-shadow: var(--shadow-md); border-color: var(--steel-300); transform: translateY(-2px); }
.problem-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  background: rgba(239,68,68,0.08);
}
.problem-icon svg { width: 24px; height: 24px; }
.problem-stat { font-family: var(--font); font-size: 2.4rem; font-weight: 700; color: var(--danger); line-height: 1; margin-bottom: 8px; letter-spacing: -0.02em; }
.problem-title { font-family: var(--font); font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.problem-desc { font-size: 0.88rem; color: var(--steel-500); line-height: 1.6; }

/* ── Features ───────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--steel-200);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.feature-card {
  background: var(--white);
  padding: 40px 34px;
  transition: background var(--transition);
  position: relative;
}
.feature-card:hover { background: #F0F6FF; }
.feature-num { font-family: var(--font-mono); font-size: 0.68rem; color: var(--blue); letter-spacing: 0.1em; margin-bottom: 22px; }
.feature-icon {
  width: 50px; height: 50px;
  background: rgba(26,86,219,0.08);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-icon svg { width: 24px; height: 24px; stroke: var(--blue); fill: none; stroke-width: 1.5; }
.feature-title { font-family: var(--font); font-size: 1.08rem; font-weight: 700; margin-bottom: 10px; color: var(--ink); }
.feature-desc { font-size: 0.875rem; color: var(--steel-500); line-height: 1.62; }
.feature-link {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 18px; font-size: 0.83rem; font-weight: 600;
  color: var(--blue); transition: gap var(--transition);
}
.feature-link:hover { gap: 8px; }

/* ── How It Works ───────────────────────────────────────────── */
.how-section { background: var(--ink); color: var(--white); position: relative; overflow: hidden; }
.how-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(26,86,219,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,86,219,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 70px;
  position: relative;
}
.how-steps::after {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%; right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(26,86,219,0.5) 25%, rgba(26,86,219,0.5) 75%, transparent);
}
.how-step { padding: 0 24px; text-align: center; position: relative; }
.how-step-num {
  width: 80px; height: 80px;
  background: rgba(26,86,219,0.12);
  border: 1px solid rgba(26,86,219,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px;
  position: relative; z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--blue-light);
  letter-spacing: 0.06em;
  transition: all var(--transition);
}
.how-step:hover .how-step-num {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  box-shadow: 0 0 40px rgba(26,86,219,0.4);
}
.how-step-title { font-family: var(--font); font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.how-step-desc { font-size: 0.86rem; color: rgba(255,255,255,0.5); line-height: 1.6; font-weight: 500; }

/* ── Metrics Band ───────────────────────────────────────────── */
.metrics-section {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 60%, var(--blue-light) 100%);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.metrics-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 60L60 0' stroke='rgba(255,255,255,0.04)' stroke-width='1' fill='none'/%3E%3C/svg%3E");
}
.metrics-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.metric-item { padding: 32px 40px; border-right: 1px solid rgba(255,255,255,0.18); text-align: center; }
.metric-item:last-child { border-right: none; }
.metric-value { font-family: var(--font); font-size: clamp(2.4rem, 3.5vw, 3.2rem); font-weight: 700; line-height: 1; margin-bottom: 8px; letter-spacing: -0.02em; }
.metric-label { font-size: 0.88rem; opacity: 0.85; line-height: 1.4; font-weight: 500; }

/* ── Industries ─────────────────────────────────────────────── */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.industry-card {
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}
.industry-card:hover { border-color: var(--blue); box-shadow: var(--shadow-blue); transform: translateY(-4px); }
.industry-card-img {
  height: 190px;
  background: var(--ink);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.industry-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, var(--ink) 0%, transparent 60%); }
.industry-card-body { padding: 22px 24px; }
.industry-card-title { font-family: var(--font); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.industry-card-desc { font-size: 0.86rem; color: var(--steel-500); line-height: 1.56; margin-bottom: 14px; }
.industry-card-tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.08em; color: var(--blue); text-transform: uppercase;
}

/* ── Testimonials ───────────────────────────────────────────── */
.testimonials-section { background: var(--steel-50); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px; right: 24px;
  font-size: 4rem;
  font-weight: 700;
  color: var(--blue-light);
  opacity: 0.1;
  line-height: 1;
  font-family: Georgia, serif;
}
.testimonial-card:hover { box-shadow: var(--shadow-md); border-color: rgba(26,86,219,0.2); }
.testimonial-stars { display: flex; gap: 3px; margin-bottom: 14px; }
.testimonial-stars svg { width: 15px; height: 15px; fill: var(--amber); }
.testimonial-quote { font-size: 0.925rem; color: var(--steel-600); line-height: 1.66; margin-bottom: 22px; font-style: italic; font-weight: 500; }
.testimonial-author { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--steel-200); padding-top: 18px; }
.testimonial-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font); font-weight: 700; font-size: 0.95rem; flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.88rem; }
.testimonial-role { font-size: 0.78rem; color: var(--steel-500); }
.testimonial-company { font-size: 0.72rem; color: var(--blue); font-weight: 700; margin-top: 2px; }

/* ── Case Studies ───────────────────────────────────────────── */
.case-studies-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 56px; }
.case-card {
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition);
}
.case-card:hover { border-color: var(--blue); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.case-card-header {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-80) 100%);
  padding: 28px 30px;
  position: relative;
  overflow: hidden;
}
.case-card-header::after {
  content: '';
  position: absolute;
  right: -20px; top: -20px;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,86,219,0.2), transparent);
}
.case-card-industry { font-family: var(--font); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.1em; color: var(--blue-light); text-transform: uppercase; margin-bottom: 9px; }
.case-card-title { font-family: var(--font); font-size: 1.15rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.case-card-company { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.case-card-body { padding: 26px 30px; }
.case-card-problem { font-size: 0.875rem; color: var(--steel-500); margin-bottom: 20px; line-height: 1.62; }
.case-card-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.case-result-item { text-align: center; }
.case-result-value { font-family: var(--font); font-size: 1.45rem; font-weight: 700; color: var(--blue); line-height: 1; }
.case-result-label { font-size: 0.68rem; color: var(--steel-400); margin-top: 3px; font-family: var(--font-mono); }

/* ── Blog Section ───────────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 56px; }
.blog-card {
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.blog-card:hover { border-color: rgba(26,86,219,0.3); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.blog-card-top {
  height: 175px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.blog-card-tag {
  font-family: var(--font);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 9px;
}
.blog-card-body { padding: 22px; }
.blog-card-title { font-family: var(--font); font-size: 1.02rem; font-weight: 700; line-height: 1.3; margin-bottom: 9px; }
.blog-card-excerpt { font-size: 0.86rem; color: var(--steel-500); line-height: 1.58; margin-bottom: 14px; }
.blog-card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.63rem;
  color: var(--steel-400); letter-spacing: 0.04em;
  border-top: 1px solid var(--steel-200); padding-top: 14px;
}

/* Blog / Knowledge Hub — Filter buttons */
.blog-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.blog-filter-btn {
  padding: 8px 18px;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 100px;
  border: 1.5px solid var(--steel-200);
  background: var(--white);
  color: var(--steel-600);
  cursor: pointer;
  transition: all var(--transition);
}
.blog-filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.blog-filter-btn.active { background: var(--blue); border-color: var(--blue); color: var(--white); box-shadow: 0 2px 12px rgba(26,86,219,0.25); }

/* ── CTA ────────────────────────────────────────────────────── */
.cta-section {
  background: var(--ink);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(26,86,219,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; }
.cta-inner .display-lg { color: var(--white); margin-bottom: 18px; text-shadow: 0 0 80px rgba(59,130,246,0.3); }
.cta-inner p { color: rgba(255,255,255,0.55); font-size: 1.05rem; margin-bottom: 44px; max-width: 520px; margin-left: auto; margin-right: auto; font-weight: 500; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer { background: var(--ink); padding: 80px 0 0; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-brand-desc { font-size: 0.875rem; color: rgba(255,255,255,0.45); line-height: 1.68; margin-top: 16px; margin-bottom: 24px; font-weight: 500; }
.footer-col-title { font-family: var(--font); font-size: 0.88rem; font-weight: 700; color: var(--white); margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.86rem; color: rgba(255,255,255,0.45); transition: color var(--transition); font-weight: 500; }
.footer-links a:hover { color: var(--white); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.86rem; color: rgba(255,255,255,0.45); margin-bottom: 12px; line-height: 1.5; font-weight: 500; }
.footer-contact-item svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; stroke: var(--blue-light); }
.footer-bottom { padding: 24px 0; display: flex; align-items: center; justify-content: space-between; font-size: 0.79rem; color: rgba(255,255,255,0.3); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: rgba(255,255,255,0.3); transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--white); }

/* ── Mobile Nav ─────────────────────────────────────────────── */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0; bottom: 0;
  background: var(--ink);
  z-index: 999;
  padding: 28px 24px;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.nav-mobile.open { transform: translateX(0); }
.nav-mobile-link {
  display: block;
  padding: 15px 0;
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition);
}
.nav-mobile-link:hover { color: var(--blue-light); }
.nav-mobile-cta { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }

/* ── Page Hero (inner pages) ────────────────────────────────── */
.page-hero {
  background: var(--ink);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,86,219,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,86,219,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
}
.page-hero-content { position: relative; z-index: 2; }

/* ── Feature Nav ────────────────────────────────────────────── */
.feature-nav { background: var(--ink-90); border-bottom: 1px solid rgba(26,86,219,0.15); position: sticky; top: var(--nav-h); z-index: 40; }
.feature-nav-links { display: flex; gap: 0; overflow-x: auto; scrollbar-width: none; }
.feature-nav-links::-webkit-scrollbar { display: none; }
.feature-nav-links a { padding: 14px 20px; font-size: 0.82rem; font-weight: 600; color: rgba(255,255,255,0.45); white-space: nowrap; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; text-decoration: none; }
.feature-nav-links a:hover { color: var(--white); border-bottom-color: var(--blue); }

/* ── Feature Detail ─────────────────────────────────────────── */
.feature-section { scroll-margin-top: calc(var(--nav-h) + 48px); }
.feature-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.feature-detail-grid.reverse .feature-detail-text { order: 2; }
.feature-detail-grid.reverse .feature-detail-visual { order: 1; }
.feature-detail-text h2 { font-size: 1.9rem; font-weight: 700; margin: 14px 0 18px; line-height: 1.2; }
.feature-detail-text p { color: var(--steel-500); line-height: 1.72; font-weight: 500; }
.feature-spec-list { border: 1px solid var(--steel-200); border-radius: var(--radius); overflow: hidden; margin-top: 24px; }
.feature-spec { display: flex; justify-content: space-between; align-items: center; padding: 10px 15px; border-bottom: 1px solid var(--steel-200); font-size: 0.82rem; }
.feature-spec:last-child { border-bottom: none; }
.spec-label { color: var(--steel-400); font-weight: 500; }
.spec-value { color: var(--ink); font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; }
.feature-viz-card { background: var(--ink-80); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 22px; }
.viz-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-dot.status-ok { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.status-warning { background: var(--amber); box-shadow: 0 0 6px var(--amber); }
.status-dot.status-critical { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.check-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--steel-300); font-weight: 500; }

/* ── Platform Arch ──────────────────────────────────────────── */
.platform-arch { display: flex; flex-direction: column; gap: 0; }
.arch-layer { display: grid; grid-template-columns: 72px 1fr; gap: 28px; align-items: start; }
.arch-layer-num { font-family: var(--font-mono); font-size: 0.7rem; color: var(--blue-light); padding-top: 20px; text-align: right; }
.arch-layer-body { background: var(--ink-80); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 22px; }
.arch-layer-body h3 { font-size: 1rem; font-weight: 700; margin: 10px 0 7px; color: var(--white); }
.arch-layer-body p { font-size: 0.84rem; color: rgba(255,255,255,0.45); line-height: 1.6; margin-bottom: 14px; font-weight: 500; }
.arch-icon { color: var(--blue-light); }
.arch-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.arch-tags li { font-family: var(--font-mono); font-size: 0.66rem; padding: 3px 8px; background: rgba(26,86,219,0.12); border: 1px solid rgba(26,86,219,0.2); border-radius: 4px; color: var(--blue-light); }
.arch-arrow { text-align: center; padding: 4px 0 4px 36px; }
.arch-tag-pill { font-family: var(--font); font-size: 0.72rem; font-weight: 600; padding: 4px 10px; background: rgba(26,86,219,0.08); border: 1px solid rgba(26,86,219,0.15); border-radius: 20px; color: var(--blue); }

/* ── Security / Status ──────────────────────────────────────── */
.security-item { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--steel-200); font-weight: 500; }
.status-row { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: rgba(255,255,255,0.55); padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,0.07); font-weight: 500; }
.status-row:last-child { border-bottom: none; padding-bottom: 0; }
.integration-badge { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 22px; background: var(--ink-90); border: 1px solid rgba(26,86,219,0.12); border-radius: var(--radius); text-align: center; transition: all var(--transition); }
.integration-badge:hover { border-color: var(--blue); transform: translateY(-2px); }
.integration-badge strong { font-size: 0.88rem; color: rgba(255,255,255,0.85); font-weight: 700; }
.integration-badge span { font-size: 0.73rem; color: rgba(255,255,255,0.35); font-weight: 500; }
.int-icon { line-height: 1; color: var(--blue-light); }

/* ── Solutions ──────────────────────────────────────────────── */
.solution-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.sol-metric { text-align: center; }
.sol-metric-val { font-size: 1.7rem; font-weight: 700; color: var(--blue); font-family: var(--font); letter-spacing: -0.02em; }
.sol-metric-label { font-size: 0.73rem; color: var(--steel-400); margin-top: 3px; line-height: 1.4; font-weight: 500; }
.industry-icon-card { background: var(--ink-80); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 28px; }
.solution-quick-facts { display: flex; flex-direction: column; gap: 0; }
.quick-fact { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: rgba(255,255,255,0.45); padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.06); font-weight: 500; }
.quick-fact:last-child { border-bottom: none; }
.quick-fact .mono { font-family: var(--font-mono); color: rgba(255,255,255,0.8); }

/* ── Machine Health Bars ────────────────────────────────────── */
.machine-row { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; }
.machine-name { width: 120px; color: rgba(255,255,255,0.55); flex-shrink: 0; font-weight: 500; }
.machine-bar-wrap { flex: 1; height: 5px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.machine-bar { height: 100%; border-radius: 3px; }
.machine-score { width: 28px; text-align: right; font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600; }
.mhs-ring-cell { display: flex; flex-direction: column; align-items: center; }

/* ── Case Studies Page ──────────────────────────────────────── */
.cs-featured { background: var(--steel-50); border: 1px solid var(--steel-200); border-radius: var(--radius-lg); padding: 36px; }
.cs-featured-tag { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.cs-featured-grid { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.cs-featured-text h3 { font-size: 1.3rem; font-weight: 700; line-height: 1.3; margin-bottom: 14px; }
.cs-featured-text p { color: var(--steel-500); line-height: 1.7; font-size: 0.9rem; font-weight: 500; }
.cs-outcomes { margin-top: 22px; }
.cs-outcome-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 10px; }
.cs-outcome { text-align: center; padding: 14px; background: var(--white); border-radius: var(--radius); border: 1px solid var(--steel-200); }
.cs-outcome-val { font-size: 1.35rem; font-weight: 700; font-family: var(--font); color: var(--blue); }
.cs-outcome-label { font-size: 0.68rem; color: var(--steel-400); margin-top: 3px; line-height: 1.3; font-weight: 500; }
.cs-quote { border-left: 3px solid var(--blue); padding-left: 16px; margin: 22px 0 0; font-style: italic; font-size: 0.89rem; color: var(--steel-500); line-height: 1.64; font-weight: 500; }
.cs-quote cite { font-style: normal; font-size: 0.73rem; color: var(--steel-400); display: block; margin-top: 7px; }
.cs-featured-stats { display: flex; flex-direction: column; gap: 10px; }
.cs-stat-card { background: var(--white); border: 1px solid var(--steel-200); border-radius: var(--radius); padding: 13px 15px; }
.cs-stat-label { font-size: 0.66rem; color: var(--steel-400); font-family: var(--font-mono); margin-bottom: 3px; }
.cs-stat-val { font-size: 0.88rem; font-weight: 700; color: var(--ink); }
.cs-mini-stats { display: flex; align-items: center; gap: 8px; font-size: 0.74rem; color: var(--steel-400); margin-top: 10px; font-weight: 500; }

/* ── Demo / Contact ─────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1fr 380px; gap: 56px; align-items: start; }
.how-steps-mini { display: flex; flex-direction: column; gap: 18px; }
.how-step-mini { display: flex; gap: 14px; align-items: flex-start; }
.how-step-mini-num { width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: var(--white); font-weight: 700; font-size: 0.72rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.how-step-mini strong { display: block; font-size: 0.88rem; font-weight: 700; margin-bottom: 3px; }
.how-step-mini p { font-size: 0.81rem; color: var(--steel-500); margin: 0; line-height: 1.55; font-weight: 500; }
.contact-direct { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
.contact-direct-item { display: flex; align-items: center; gap: 12px; }
.sidebar-card { background: var(--steel-50); border: 1px solid var(--steel-200); border-radius: var(--radius); padding: 22px; }
.sidebar-card h3 { font-size: 0.98rem; font-weight: 700; margin-bottom: 14px; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-size: 0.79rem; font-weight: 700; color: var(--steel-600); margin-bottom: 5px; letter-spacing: 0.04em; }
input, select, textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--steel-200);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,86,219,0.1); }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
textarea { min-height: 110px; resize: vertical; }
.contact-form { background: var(--white); border: 1px solid var(--steel-200); border-radius: var(--radius-xl); padding: 44px; box-shadow: var(--shadow-sm); }

/* ── Legal ──────────────────────────────────────────────────── */
.legal-content { line-height: 1.8; }
.legal-content h2 { font-size: 1.2rem; font-weight: 700; color: var(--ink); margin: 36px 0 10px; border-bottom: 1px solid var(--steel-200); padding-bottom: 7px; }
.legal-content h3 { font-size: 0.98rem; font-weight: 700; color: var(--ink); margin: 22px 0 7px; }
.legal-content p { color: var(--steel-500); font-size: 0.9rem; margin-bottom: 11px; font-weight: 500; }
.legal-content ul { color: var(--steel-500); font-size: 0.9rem; padding-left: 20px; margin-bottom: 14px; }
.legal-content li { margin-bottom: 5px; font-weight: 500; }
.legal-content a { color: var(--blue); }

/* ── FAQ ────────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 0; max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--steel-200);
}
.faq-item:first-child { border-top: 1px solid var(--steel-200); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-family: var(--font);
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--transition);
}
.faq-q:hover { color: var(--blue); }
.faq-q svg { width: 18px; height: 18px; flex-shrink: 0; stroke: var(--steel-400); transition: transform var(--transition); }
.faq-item.open .faq-q { color: var(--blue); }
.faq-item.open .faq-q svg { transform: rotate(45deg); stroke: var(--blue); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding var(--transition);
  font-size: 0.91rem;
  color: var(--steel-500);
  line-height: 1.7;
  font-weight: 500;
}
.faq-item.open .faq-a { max-height: 500px; padding-bottom: 20px; }

/* ── Animations / Fade-up ───────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-delay-1 { transition-delay: 0.08s; }
.fade-up-delay-2 { transition-delay: 0.16s; }
.fade-up-delay-3 { transition-delay: 0.24s; }
.fade-up-delay-4 { transition-delay: 0.32s; }

/* ── Toast ──────────────────────────────────────────────────── */
.toast { position: fixed; bottom: 28px; right: 28px; background: var(--ink-80); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 14px 18px; display: flex; align-items: center; gap: 10px; font-size: 0.86rem; color: var(--white); z-index: 9999; transform: translateY(100px); opacity: 0; transition: all var(--transition-slow); box-shadow: var(--shadow-xl); max-width: 340px; font-weight: 500; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { width: 18px; height: 18px; flex-shrink: 0; }
.toast-icon.success { color: var(--success); }
.toast-icon.error { color: var(--danger); }

/* ── Utility ─────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-blue { color: var(--blue-light); }
.text-white { color: var(--white); }
.text-muted { color: var(--steel-400); }
.on-dark { color: var(--white); }
.grid-responsive { }
.score-bands { display: flex; flex-direction: column; gap: 12px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .how-steps { grid-template-columns: repeat(2,1fr); gap: 44px; }
  .how-steps::after { display: none; }
  .metrics-band { grid-template-columns: repeat(2,1fr); }
  .metric-item:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .feature-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-detail-grid.reverse .feature-detail-text { order: 0; }
  .feature-detail-grid.reverse .feature-detail-visual { order: 0; }
  .cs-featured-grid { grid-template-columns: 1fr; }
  .cs-outcome-grid { grid-template-columns: repeat(2,1fr); }
  .platform-arch { gap: 0; }
  .solution-metrics { grid-template-columns: repeat(3,1fr); }
  .grid-responsive { grid-template-columns: 1fr !important; gap: 40px !important; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-mobile { display: flex; }
  .hero-content { grid-template-columns: 1fr; gap: 48px; padding: 48px 24px 64px; }
  .hero-right { display: none; }
  .hero-stats { gap: 24px; }
  .grid-2, .grid-3, .features-grid, .problem-cards, .industries-grid,
  .testimonials-grid, .case-studies-grid, .blog-grid { grid-template-columns: 1fr; }
  .metrics-band { grid-template-columns: 1fr 1fr; }
  .metric-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .metric-item:nth-last-child(-n+2) { border-bottom: none; }
  .section { padding: 72px 0; }
  .how-steps { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .contact-form { padding: 28px 22px; }
  .arch-layer { grid-template-columns: 1fr; gap: 8px; }
  .arch-layer-num { text-align: left; padding-top: 0; }
  .page-hero { padding: 120px 0 60px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .btn-lg { padding: 13px 22px; font-size: 0.9rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .trust-logos { gap: 24px; }
  .cs-outcome-grid { grid-template-columns: 1fr 1fr; }
  .blog-filters { gap: 6px; }
  .blog-filter-btn { padding: 7px 14px; font-size: 0.78rem; }
}

/* ============================================================
   Phase 1 additions: Services nav, Blog layout toggle
   ============================================================ */
.blog-layout-toggle{display:flex;gap:8px;margin-bottom:24px;}
.blog-layout-btn{font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0.04em;text-transform:uppercase;padding:8px 14px;border-radius:999px;border:1px solid var(--steel-700,#334155);background:transparent;color:var(--steel-400,#94A3B8);cursor:pointer;transition:all .2s;}
.blog-layout-btn.active,.blog-layout-btn:hover{background:var(--teal,#14B8A6);border-color:var(--teal,#14B8A6);color:#031b18;}
.blog-grid[data-layout="scroll"]{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:24px;scroll-snap-type:x mandatory;padding-bottom:12px;}
.blog-grid[data-layout="scroll"] .blog-card{flex:0 0 300px;scroll-snap-align:start;}
.blog-grid[data-layout="scroll"]::-webkit-scrollbar{height:6px;}
.blog-grid[data-layout="scroll"]::-webkit-scrollbar-thumb{background:var(--steel-700,#334155);border-radius:3px;}
.nav-dropdown a{display:block;}
@media (max-width: 900px){
  .blog-grid[data-layout="grid"], .blog-grid[data-layout="scroll"]{grid-template-columns:1fr !important;display:grid;}
}