/* ================================================
   NissAI Innovations — Main Stylesheet
   ================================================ */

/* ---- Design Tokens ---- */
:root {
  --bg-primary:    #070B14;
  --bg-secondary:  #0F172A;
  --bg-card:       rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(15, 23, 42, 0.85);

  --blue:        #3B82F6;
  --cyan:        #06B6D4;
  --blue-dim:    rgba(59, 130, 246, 0.12);
  --cyan-dim:    rgba(6, 182, 212, 0.12);
  --blue-border: rgba(59, 130, 246, 0.18);
  --blue-glow:   rgba(59, 130, 246, 0.15);

  --text-1: #F8FAFC;
  --text-2: #94A3B8;
  --text-3: #64748B;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;

  --shadow-card:  0 4px 24px rgba(0,0,0,0.4);
  --shadow-hover: 0 8px 40px rgba(59,130,246,0.18);

  --heading: 'Space Grotesk', sans-serif;
  --body:    'Inter', sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--bg-primary);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---- Typography Utilities ---- */
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: var(--blue-dim);
  border: 1px solid var(--blue);
  border-radius: 100px;
  font-family: var(--heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--heading);
  font-size: clamp(26px, 3.8vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-1);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.75;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ---- Layout ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

/* ---- Glass Card ---- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-lg);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.glass-card:hover {
  border-color: rgba(59,130,246,0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: var(--blue);
  color: #fff;
  border-radius: var(--r-md);
  font-family: var(--heading);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: none;
}
.btn-primary:hover {
  background: #2563EB;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(59,130,246,0.38);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: transparent;
  color: var(--text-1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-md);
  font-family: var(--heading);
  font-size: 14px;
  font-weight: 600;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  cursor: pointer;
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.32);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

/* ================================================
   NAVBAR
   ================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background 0.3s, padding 0.3s, border-color 0.3s;
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(7,11,20,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--blue-border);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: inline-flex; align-items: baseline; }
.logo-nissai {
  font-family: var(--heading);
  font-size: 19px;
  font-weight: 700;
  color: var(--blue);
}
.logo-innovations {
  font-family: var(--heading);
  font-size: 19px;
  font-weight: 400;
  color: var(--text-2);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-1); }
.nav-cta {
  padding: 8px 18px !important;
  background: var(--blue) !important;
  color: #fff !important;
  border-radius: var(--r-sm) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: #2563EB !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 65% 50%, rgba(59,130,246,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 35% 35% at 80% 20%, rgba(6,182,212,0.06) 0%, transparent 60%),
    linear-gradient(180deg, transparent 55%, rgba(7,11,20,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 800px;
  padding: 130px 24px 80px;
  padding-left: max(24px, calc((100vw - 1200px) / 2 + 24px));
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.32);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 28px;
  animation: fadeInDown 0.7s ease both;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
.hero-title {
  font-family: var(--heading);
  font-size: clamp(34px, 5.5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-1);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s 0.15s ease both;
}
.hero-subtitle {
  font-size: clamp(15px, 1.7vw, 17px);
  color: var(--text-2);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: 40px;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.8s 0.45s ease both;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s ease both;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-number {
  font-family: var(--heading);
  font-size: 22px;
  font-weight: 700;
}
.stat-label {
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider { width: 1px; height: 36px; background: var(--blue-border); }

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  animation: fadeIn 1s 1.2s ease both;
}
.scroll-arrow {
  width: 18px; height: 18px;
  border-right: 1px solid var(--text-3);
  border-bottom: 1px solid var(--text-3);
  transform: rotate(45deg);
  animation: scrollBounce 1.6s ease-in-out infinite;
}

/* ================================================
   TRUST STRIP
   ================================================ */
.trust-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--blue-border);
  border-bottom: 1px solid var(--blue-border);
  padding: 18px 0;
  overflow: hidden;
  position: relative;
}
.trust-strip::before,
.trust-strip::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}
.trust-strip::before { left: 0; background: linear-gradient(90deg, var(--bg-secondary), transparent); }
.trust-strip::after  { right: 0; background: linear-gradient(-90deg, var(--bg-secondary), transparent); }
.trust-items {
  display: flex;
  align-items: center;
  gap: 52px;
  width: max-content;
  animation: marquee 40s linear infinite;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--heading);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
}
.trust-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.trust-dot.blue { background: var(--blue); }
.trust-dot.cyan { background: var(--cyan); }

/* ================================================
   ABOUT
   ================================================ */
.about { background: var(--bg-primary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-text p {
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 14px;
  font-size: 15px;
}
.about-quote {
  color: var(--text-1);
  font-size: 15px;
  font-style: italic;
  border-left: 2px solid var(--blue);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  line-height: 1.7;
}
.sic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 28px;
}
.sic-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 16px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-md);
}
.sic-code {
  font-family: var(--heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
}
.sic-label {
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.about-card {
  padding: 36px;
  min-height: 380px;
  position: relative;
  overflow: hidden;
}
.about-orb {
  position: absolute;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation: orbPulse 4s ease-in-out infinite;
}
.about-pillars {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}
.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: rgba(7,11,20,0.5);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-md);
  transition: border-color 0.2s;
}
.pillar-item:hover { border-color: rgba(59,130,246,0.35); }
.pillar-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  background: var(--blue-dim);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
}
.pillar-icon.cyan { background: var(--cyan-dim); color: var(--cyan); }
.pillar-item h4 {
  font-family: var(--heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 3px;
}
.pillar-item p {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.5;
}

/* ================================================
   CAPABILITIES
   ================================================ */
.capabilities { background: var(--bg-secondary); }
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.capability-card { padding: 36px; }
.cap-icon {
  width: 48px; height: 48px;
  background: var(--blue-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 20px;
  flex-shrink: 0;
}
.cap-icon.cyan { background: var(--cyan-dim); color: var(--cyan); }
.capability-card h3 {
  font-family: var(--heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 14px;
}
.cap-list { display: flex; flex-direction: column; gap: 9px; }
.cap-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--text-2);
}
.cap-list li::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ================================================
   PRODUCTS
   ================================================ */
.products { background: var(--bg-primary); }
.product-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  background: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(6,182,212,0.05) 100%);
  border: 1px solid rgba(59,130,246,0.22);
  border-radius: var(--r-xl);
  padding: 52px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.product-featured::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.product-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  background: rgba(6,182,212,0.12);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.tag-dot {
  width: 5px; height: 5px;
  background: var(--cyan);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
.product-featured-name {
  font-family: var(--heading);
  font-size: 34px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
}
.product-featured-type {
  font-size: 13px;
  color: var(--cyan);
  font-weight: 500;
  margin-bottom: 14px;
}
.product-featured-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 24px;
}
.product-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 28px;
}
.pf-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
}
.pf-check {
  width: 16px; height: 16px;
  flex-shrink: 0;
  background: var(--blue-dim);
  border: 1px solid var(--blue);
  border-radius: 4px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8l3 3 7-7' stroke='%233B82F6' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}
.product-cta-row { display: flex; gap: 14px; align-items: center; }

/* Mockup */
.product-featured-visual { position: relative; }
.product-mockup {
  background: rgba(7,11,20,0.9);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.mockup-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--blue-border);
}
.mock-dot { width: 10px; height: 10px; border-radius: 50%; }
.mock-dot.red    { background: #FF5F57; }
.mock-dot.yellow { background: #FEBC2E; }
.mock-dot.green  { background: #28C840; }
.mock-title {
  font-size: 10px;
  color: var(--text-3);
  margin-left: 8px;
  font-family: var(--heading);
}
.mockup-body { padding: 20px; }
.mock-stat-row { display: flex; gap: 12px; margin-bottom: 20px; }
.mock-stat {
  flex: 1;
  padding: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-sm);
}
.mock-stat.blue  { border-color: rgba(59,130,246,0.3); }
.mock-stat.cyan  { border-color: rgba(6,182,212,0.3); }
.mock-stat-num {
  display: block;
  font-family: var(--heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
}
.mock-stat-lbl { font-size: 10px; color: var(--text-3); }
.mock-chart-area { margin-bottom: 16px; }
.mock-chart-label { font-size: 10px; color: var(--text-3); margin-bottom: 8px; }
.mock-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 64px;
}
.mock-bar {
  flex: 1;
  background: rgba(59,130,246,0.22);
  border-radius: 3px 3px 0 0;
  transition: height 0.8s ease;
}
.mock-bar.active { background: rgba(59,130,246,0.6); }
.mock-table { display: flex; flex-direction: column; gap: 6px; }
.mock-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--r-sm);
  font-size: 11px;
  color: var(--text-3);
}
.mock-row span:nth-child(2) { flex: 1; }
.mock-status { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.green-dot  { background: #28C840; }
.yellow-dot { background: #FEBC2E; }
.mock-badge {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.mock-badge.pass   { background: rgba(40,200,64,0.15); color: #28C840; }
.mock-badge.review { background: rgba(254,188,46,0.15); color: #FEBC2E; }

/* Future products */
.future-products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.future-product { padding: 28px; }
.fp-icon {
  width: 44px; height: 44px;
  background: var(--blue-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 12px;
}
.fp-icon.cyan { background: var(--cyan-dim); color: var(--cyan); }
.fp-badge {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.future-product h3 {
  font-family: var(--heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 8px;
}
.future-product p { font-size: 13px; color: var(--text-2); line-height: 1.65; }

/* ================================================
   SERVICES
   ================================================ */
.services { background: var(--bg-secondary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.service-card {
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-num {
  font-family: var(--heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.service-icon {
  width: 52px; height: 52px;
  background: var(--blue-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 18px;
}
.service-icon.cyan { background: var(--cyan-dim); color: var(--cyan); }
.service-card h3 {
  font-family: var(--heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 10px;
}
.service-card p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 20px; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  transition: gap 0.2s;
}
.service-link:hover { gap: 10px; }

/* ================================================
   INDUSTRIES
   ================================================ */
.industries { background: var(--bg-primary); }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.industry-card { padding: 28px; }
.ind-icon {
  width: 48px; height: 48px;
  background: var(--blue-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 16px;
}
.ind-icon.cyan { background: var(--cyan-dim); color: var(--cyan); }
.industry-card h3 {
  font-family: var(--heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 8px;
}
.industry-card p { font-size: 13px; color: var(--text-2); line-height: 1.6; }
.industries-cta { text-align: center; margin-top: 44px; }

/* ================================================
   WHY NISSAI
   ================================================ */
.why { background: var(--bg-secondary); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.why-card { padding: 28px 20px; text-align: center; }
.why-icon {
  width: 50px; height: 50px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin: 0 auto 14px;
}
.why-icon.cyan { background: var(--cyan-dim); border-color: rgba(6,182,212,0.18); color: var(--cyan); }
.why-card h3 {
  font-family: var(--heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 8px;
  line-height: 1.35;
}
.why-card p { font-size: 12px; color: var(--text-2); line-height: 1.6; }

/* ================================================
   VISION
   ================================================ */
.vision {
  background: var(--bg-primary);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.vision-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.vision-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.vision-title {
  font-family: var(--heading);
  font-size: clamp(28px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-1);
  margin-bottom: 24px;
}
.vision-text {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.8;
}

/* ================================================
   CTA SECTION
   ================================================ */
.cta-section {
  background:
    linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(6,182,212,0.04) 50%, transparent 100%);
  border-top: 1px solid var(--blue-border);
  border-bottom: 1px solid var(--blue-border);
}
.cta-inner { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-title {
  font-family: var(--heading);
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
}
.cta-subtitle {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--blue-border);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 52px;
  margin-bottom: 56px;
}
.footer-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.75;
  margin-bottom: 18px;
  max-width: 250px;
}
.footer-reg {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.9;
}
.footer-reg a { color: var(--blue); transition: color 0.2s; }
.footer-reg a:hover { color: var(--cyan); }
.footer-col h4 {
  font-family: var(--heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-1);
  margin-bottom: 18px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: var(--text-3); transition: color 0.2s; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--blue-border);
}
.footer-copy { font-size: 12px; color: var(--text-3); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 12px; color: var(--text-3); transition: color 0.2s; }
.footer-legal a:hover { color: var(--text-2); }

/* ================================================
   PAGE HERO (inner pages)
   ================================================ */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}
.page-hero-badge { margin: 0 auto 20px; }
.page-hero-title {
  font-family: var(--heading);
  font-size: clamp(30px, 4.5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-1);
  max-width: 700px;
  margin: 0 auto 20px;
}
.page-hero-subtitle {
  font-size: 17px;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ================================================
   SCROLL REVEAL
   ================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0);   }
  50%       { transform: rotate(45deg) translateY(6px); }
}
@keyframes orbPulse {
  0%, 100% { transform: translate(-50%,-50%) scale(1);   opacity: 0.5; }
  50%       { transform: translate(-50%,-50%) scale(1.1); opacity: 0.8; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1100px) {
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 40px; }
  .footer-grid > .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-visual { display: none; }
  .product-featured { grid-template-columns: 1fr; padding: 36px 28px; }
  .product-featured-visual { display: none; }
  .future-products-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .capabilities-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(7,11,20,0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 17px; }
  .nav-toggle { display: flex; }

  .hero-content { padding: 110px 24px 64px; }
  .hero-stats { gap: 18px; }

  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .sic-grid { grid-template-columns: 1fr 1fr; }
  .product-features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .cta-buttons { flex-direction: column; align-items: center; }
}