/* ============================================================
   AlphaBridge Technologies Est. — Website Stylesheet
   Brand tokens sourced from the AlphaBridge Brand Book v1.0
   ============================================================ */

:root {
  /* Brand colors */
  --alpha-midnight: #0B132B;
  --alpha-midnight-800: #141C3A;
  --alpha-midnight-700: #1B2547;
  --alpha-petrol: #007A8C;
  --alpha-petrol-light: #00A8BE;
  --alpha-gold: #FFB000;
  --alpha-gold-light: #FFC94D;
  --cloud-white: #FFFFFF;
  --graphite: #2C2F33;

  /* Neutral scale */
  --n-950: #0B132B;
  --n-800: #1A1F2E;
  --n-700: #2C2F33;
  --n-500: #6B7280;
  --n-300: #D1D5DB;
  --n-100: #F3F4F6;
  --n-50: #FAFAFA;

  /* Semantic */
  --bg-page: #FFFFFF;
  --bg-alt: #F6F8F9;
  --text-primary: #0B132B;
  --text-secondary: #4B5563;
  --text-on-dark: #FFFFFF;
  --text-on-dark-muted: #AEB7C9;

  /* Type */
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-soft: 0 10px 40px -12px rgba(11, 19, 43, 0.18);
  --shadow-card: 0 4px 20px -4px rgba(11, 19, 43, 0.10);
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
section { position: relative; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--alpha-petrol);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--alpha-gold);
  border-radius: 2px;
}
.eyebrow.on-dark { color: var(--alpha-gold-light); }

h1, .h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
}
h2, .h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h3, .h3 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}
.section-lead {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 620px;
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 44px;
}
.section-head.center { align-items: center; text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn-primary {
  background: linear-gradient(135deg, var(--alpha-gold) 0%, #E89A00 100%);
  color: var(--alpha-midnight);
  box-shadow: 0 8px 24px -6px rgba(255, 176, 0, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -6px rgba(255, 176, 0, 0.65); }
.btn-ghost-dark {
  background: rgba(255,255,255,0.06);
  color: var(--text-on-dark);
  border: 1.5px solid rgba(255,255,255,0.28);
  backdrop-filter: blur(6px);
}
.btn-ghost-dark:hover { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.5); }
.btn-outline {
  background: transparent;
  color: var(--alpha-midnight);
  border: 1.5px solid var(--n-300);
}
.btn-outline:hover { border-color: var(--alpha-petrol); color: var(--alpha-petrol); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-header.scrolled {
  background: rgba(11, 19, 43, 0.92);
  backdrop-filter: blur(14px);
  padding: 12px 0;
  box-shadow: 0 8px 30px -10px rgba(0,0,0,0.4);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 34px; width: auto; }
.brand-word { height: 20px; width: auto; }
.brand-name-fallback { font-weight: 800; color: #fff; font-size: 1.15rem; letter-spacing: -0.01em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-on-dark-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover { color: #fff; }
.nav-links .has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: 130%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--alpha-midnight-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 10px;
  min-width: 200px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a { display: block; padding: 10px 12px; border-radius: 8px; font-weight: 600; }
.dropdown a:hover { background: rgba(255,255,255,0.06); }
.dropdown a small { display: block; font-weight: 500; color: var(--text-on-dark-muted); font-size: 0.78rem; margin-top: 2px; }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone { display: none; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--alpha-midnight);
  color: #fff;
  overflow: hidden;
  padding: 176px 0 120px;
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg svg { width: 100%; height: 100%; }
.hero-noise {
  position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 80% 60% at 70% 30%, black, transparent 70%);
  opacity: 0.5;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero-content .eyebrow { margin-bottom: 22px; }
.hero-content h1 { color: #fff; margin-bottom: 22px; }
.hero-content h1 .accent { color: var(--alpha-gold); }
.hero-sub {
  font-size: 1.12rem;
  color: var(--text-on-dark-muted);
  max-width: 560px;
  margin-bottom: 38px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 52px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 32px 44px;
}
.hero-stat .num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--alpha-gold);
  letter-spacing: -0.02em;
  display: flex; align-items: baseline; gap: 2px;
}
.hero-stat .label {
  font-size: 0.82rem;
  color: var(--text-on-dark-muted);
  font-weight: 600;
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual-card {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  border-radius: 32px;
  background: linear-gradient(150deg, rgba(0,122,140,0.28), rgba(11,19,43,0.1) 60%);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
}
.hero-visual-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 32px;
  padding: 1px;
  background: linear-gradient(150deg, rgba(255,176,0,0.55), transparent 40%, rgba(0,168,190,0.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.hero-visual-card img { width: 62%; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.45)); }
.hero-visual-badge {
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cloud-white);
  color: var(--alpha-midnight);
  padding: 14px 26px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 12px 30px -8px rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.hero-visual-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #22C55E; box-shadow: 0 0 0 4px rgba(34,197,94,0.2); }

/* ---------- Marquee / logo strip ---------- */
.strip {
  background: var(--bg-alt);
  padding: 34px 0;
  border-bottom: 1px solid var(--n-100);
}
.strip-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--n-500);
  margin-bottom: 22px;
}
.logo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.logo-chip {
  padding: 10px 18px;
  border-radius: 100px;
  background: #fff;
  border: 1px solid var(--n-100);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--n-700);
  letter-spacing: -0.01em;
}

/* ---------- Who We Are ---------- */
.about-section { padding: 110px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.about-copy p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 18px; }
.about-copy .lead-line {
  font-weight: 700;
  color: var(--alpha-midnight);
  font-size: 1.2rem;
  font-style: italic;
  border-left: 3px solid var(--alpha-gold);
  padding-left: 18px;
  margin-top: 26px;
}
.about-panel {
  background: var(--alpha-midnight);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.about-panel::after {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  right: -100px; bottom: -120px;
  background: radial-gradient(circle, rgba(255,176,0,0.28), transparent 70%);
}
.about-panel-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.about-stat .num { font-size: 2.1rem; font-weight: 800; color: var(--alpha-gold-light); }
.about-stat .label { font-size: 0.85rem; color: var(--text-on-dark-muted); margin-top: 4px; font-weight: 600; }

/* ---------- Pillars / Services ---------- */
.pillars-section { padding: 110px 0; background: var(--bg-alt); }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.pillar-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px 26px;
  border: 1px solid var(--n-100);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.pillar-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: transparent; }
.pillar-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--alpha-midnight), var(--alpha-petrol));
  margin-bottom: 22px;
}
.pillar-icon svg { width: 26px; height: 26px; stroke: #fff; }
.pillar-card h3 { margin-bottom: 10px; }
.pillar-card p { color: var(--text-secondary); font-size: 0.94rem; margin-bottom: 16px; }
.pillar-card .pillar-link { font-size: 0.85rem; font-weight: 700; color: var(--alpha-petrol); display: inline-flex; align-items: center; gap: 6px; }
.pillar-card .pillar-link svg { width: 14px; height: 14px; transition: transform var(--transition); }
.pillar-card:hover .pillar-link svg { transform: translateX(4px); }
.pillars-footline {
  margin-top: 46px;
  text-align: center;
  font-weight: 700;
  color: var(--alpha-midnight);
  font-size: 1.05rem;
}

/* ---------- Products ---------- */
.products-section { padding: 110px 0; background: var(--alpha-midnight); color: #fff; position: relative; overflow: hidden; }
.products-section .section-head h2 { color: #fff; }
.products-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 15% 10%, rgba(0,122,140,0.35), transparent 60%),
              radial-gradient(ellipse 50% 40% at 95% 90%, rgba(255,176,0,0.18), transparent 60%);
  pointer-events: none;
}
.products-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.product-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 38px;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.product-card .product-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.product-card.protik .product-tag { background: rgba(0,168,190,0.18); color: var(--alpha-petrol-light); }
.product-card.cashlume .product-tag { background: rgba(255,176,0,0.18); color: var(--alpha-gold-light); }
.product-card h3 { color: #fff; font-size: 1.5rem; margin-bottom: 12px; }
.product-card .product-desc { color: var(--text-on-dark-muted); font-size: 0.98rem; margin-bottom: 22px; }
.product-features { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.product-features li {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: #E4E8F0;
}
.product-card-footer { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.product-link { font-weight: 700; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 8px; }
.product-card.protik .product-link { color: var(--alpha-petrol-light); }
.product-card.cashlume .product-link { color: var(--alpha-gold-light); }
.product-link svg { width: 15px; height: 15px; transition: transform var(--transition); }
.product-link:hover svg { transform: translateX(4px); }

.products-connector {
  position: relative;
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  text-align: center;
  padding: 20px 28px;
  border-radius: 100px;
  background: rgba(255,255,255,0.05);
  border: 1px dashed rgba(255,255,255,0.2);
  color: var(--text-on-dark-muted);
  font-size: 0.92rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.products-connector strong { color: #fff; }

/* ---------- Industries ---------- */
.industries-section { padding: 100px 0; }
.industries-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 14px;
}
.industry-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 26px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--n-100);
  text-align: center;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.industry-chip:hover { border-color: var(--alpha-petrol); background: var(--bg-alt); transform: translateY(-4px); }
.industry-chip .ic-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--bg-alt);
}
.industry-chip .ic-icon svg { width: 20px; height: 20px; stroke: var(--alpha-petrol); }
.industry-chip span { font-size: 0.82rem; font-weight: 700; color: var(--text-primary); }

/* ---------- Why AlphaBridge ---------- */
.why-section { padding: 100px 0; background: var(--bg-alt); }
.why-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items: center; }
.why-list { display: flex; flex-direction: column; gap: 22px; }
.why-item { display: flex; gap: 18px; align-items: flex-start; }
.why-item .wi-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--alpha-midnight);
  display: flex; align-items: center; justify-content: center;
}
.why-item .wi-icon svg { width: 22px; height: 22px; stroke: var(--alpha-gold); }
.why-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.why-item p { font-size: 0.9rem; color: var(--text-secondary); }
.why-visual {
  background: var(--alpha-midnight);
  border-radius: var(--radius-lg);
  padding: 44px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.why-visual::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 80% 0%, rgba(255,176,0,0.22), transparent 60%);
}
.why-quote {
  position: relative;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 30px;
}
.why-quote .q { color: var(--alpha-gold); }
.why-proof { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.why-proof .num { font-size: 1.5rem; font-weight: 800; color: var(--alpha-gold-light); }
.why-proof .label { font-size: 0.76rem; color: var(--text-on-dark-muted); font-weight: 600; margin-top: 2px; }
.why-tech { position: relative; margin-top: 34px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.12); }
.why-tech-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-on-dark-muted); font-weight: 700; margin-bottom: 14px; }
.why-tech-list { display: flex; flex-wrap: wrap; gap: 10px; }
.why-tech-list span { font-size: 0.78rem; font-weight: 700; padding: 6px 12px; border-radius: 8px; background: rgba(255,255,255,0.07); }

/* ---------- Testimonial mini strip ---------- */
.testi-strip { padding: 90px 0; }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card {
  background: #fff;
  border: 1px solid var(--n-100);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-card);
}
.testi-stars { color: var(--alpha-gold); font-size: 0.9rem; margin-bottom: 14px; letter-spacing: 2px; }
.testi-card p { font-size: 0.94rem; color: var(--text-secondary); margin-bottom: 20px; font-style: italic; }
.testi-name { font-weight: 800; font-size: 0.92rem; }
.testi-role { font-size: 0.8rem; color: var(--text-secondary); }

/* ---------- Closing CTA ---------- */
.cta-band {
  margin: 0 24px 100px;
  max-width: calc(var(--container-max) - 48px);
  margin-left: auto; margin-right: auto;
  background: linear-gradient(120deg, var(--alpha-midnight) 0%, #0F2340 55%, var(--alpha-petrol) 140%);
  border-radius: 32px;
  padding: 70px 60px;
  color: #fff;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(255,176,0,0.3), transparent 55%);
}
.cta-band-content { position: relative; max-width: 640px; margin: 0 auto; }
.cta-band h2 { color: #fff; margin-bottom: 16px; }
.cta-band p { color: var(--text-on-dark-muted); font-size: 1.05rem; margin-bottom: 34px; }
.cta-band-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--alpha-midnight); color: var(--text-on-dark-muted); padding: 70px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 54px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img { height: 30px; margin-bottom: 18px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 280px; margin-bottom: 22px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.footer-social a:hover { background: var(--alpha-petrol); }
.footer-social svg { width: 16px; height: 16px; stroke: #fff; }
.footer-col h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.9rem; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.88rem; margin-bottom: 14px; }
.footer-contact svg { width: 16px; height: 16px; stroke: var(--alpha-gold); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: var(--text-on-dark-muted); }
.footer-bottom a:hover { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 340px; margin: 0 auto 20px; }
  .about-grid, .why-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: 1fr; }
  .industries-row { grid-template-columns: repeat(4, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links, .header-cta > .btn { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 140px 0 90px; }
  .hero-stats { grid-template-columns: repeat(3, auto); gap: 22px 28px; }
}
@media (max-width: 640px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .industries-row { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, auto); }
  .cta-band { padding: 50px 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .why-proof { grid-template-columns: 1fr; gap: 14px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- Mobile nav drawer ---------- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--alpha-midnight);
  display: flex;
  flex-direction: column;
  padding: 24px;
  transform: translateX(100%);
  transition: transform 320ms cubic-bezier(0.4,0,0.2,1);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.mobile-nav-close { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.08); border-radius: 8px; }
.mobile-nav-close svg { width: 18px; height: 18px; stroke: #fff; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 6px; }
.mobile-nav-links a { display: block; padding: 16px 4px; font-size: 1.15rem; font-weight: 700; color: #fff; border-bottom: 1px solid rgba(255,255,255,0.08); }
.mobile-nav-cta { margin-top: 30px; }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Active nav state ---------- */
.nav-links a.active { color: #fff; }
.nav-links a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px; background: var(--alpha-gold); border-radius: 2px; }
.mobile-nav-links a.active { color: var(--alpha-gold); }
.dropdown a.active { background: rgba(255,255,255,0.06); }

/* ============================================================
   Interior-page components
   ============================================================ */

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative;
  background: var(--alpha-midnight);
  color: #fff;
  overflow: hidden;
  padding: 170px 0 90px;
  isolation: isolate;
}
.page-hero-glow {
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse 60% 60% at 85% 0%, rgba(0,122,140,0.35), transparent 60%),
              radial-gradient(ellipse 50% 50% at 8% 100%, rgba(255,176,0,0.16), transparent 60%);
}
.page-hero .eyebrow { margin-bottom: 20px; }
.page-hero h1 { color: #fff; margin-bottom: 18px; max-width: 780px; }
.page-hero .hero-sub { margin-bottom: 0; }
.page-hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 34px; }
.page-hero-tag {
  display: inline-flex; align-self: flex-start;
  padding: 7px 16px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(0,168,190,0.18); color: var(--alpha-petrol-light);
  margin-bottom: 20px;
}
.page-hero-tag.gold { background: rgba(255,176,0,0.18); color: var(--alpha-gold-light); }

/* ---------- Generic section spacing/backgrounds ---------- */
.section { padding: 100px 0; }
.section.alt { background: var(--bg-alt); }
.section.dark { background: var(--alpha-midnight); color: #fff; }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark p { color: var(--text-on-dark-muted); }
.section.tight { padding: 70px 0; }

/* ---------- Timeline (About — Our Journey) ---------- */
.timeline { position: relative; max-width: 760px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--n-100); }
.timeline-item { position: relative; padding-left: 36px; padding-bottom: 34px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--alpha-petrol); border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--n-100);
}
.timeline-item.milestone::before { background: var(--alpha-gold); }
.timeline-year { display: block; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--alpha-petrol); margin-bottom: 6px; }
.timeline-item.milestone .timeline-year { color: var(--alpha-gold); }
.timeline-item p { font-size: 0.96rem; color: var(--text-secondary); }

/* ---------- Vision / Mission / Promise ---------- */
.vmp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.vmp-card { background: #fff; border: 1px solid var(--n-100); border-radius: var(--radius-md); padding: 34px 28px; box-shadow: var(--shadow-card); }
.vmp-card .vmp-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--alpha-midnight), var(--alpha-petrol));
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.vmp-card .vmp-icon svg { width: 24px; height: 24px; stroke: #fff; }
.vmp-card h3 { margin-bottom: 12px; }
.vmp-card p { color: var(--text-secondary); font-size: 0.94rem; margin-bottom: 16px; }
.vmp-card .vmp-quote { font-style: italic; font-weight: 700; color: var(--alpha-midnight); font-size: 0.92rem; border-left: 3px solid var(--alpha-gold); padding-left: 14px; }

/* ---------- Checklist (Philosophy / Values) ---------- */
.check-list { display: flex; flex-direction: column; gap: 22px; }
.check-list.cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px 34px; }
.check-item { display: flex; gap: 16px; align-items: flex-start; }
.check-item .ci-icon {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 10px;
  background: var(--bg-alt); display: flex; align-items: center; justify-content: center;
}
.check-item .ci-icon svg { width: 19px; height: 19px; stroke: var(--alpha-petrol); }
.check-item h4 { font-size: 0.98rem; margin-bottom: 4px; }
.check-item p { font-size: 0.9rem; color: var(--text-secondary); }
.section.dark .check-item .ci-icon { background: rgba(255,255,255,0.08); }
.section.dark .check-item .ci-icon svg { stroke: var(--alpha-gold); }
.section.dark .check-item p { color: var(--text-on-dark-muted); }

/* ---------- Snapshot stat cards ---------- */
.snapshot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.snapshot-card { background: var(--bg-alt); border-radius: var(--radius-md); padding: 26px; }
.snapshot-card .label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--n-500); font-weight: 700; margin-bottom: 8px; }
.snapshot-card .value { font-size: 1.1rem; font-weight: 800; color: var(--alpha-midnight); }

/* ---------- Generic detail-card grid (Industries / Environments / Projects) ---------- */
.detail-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.detail-card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.detail-card {
  background: #fff; border: 1px solid var(--n-100); border-radius: var(--radius-md);
  padding: 32px 28px; transition: transform var(--transition), box-shadow var(--transition);
}
.detail-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.detail-card .dc-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--alpha-midnight), var(--alpha-petrol));
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.detail-card .dc-icon svg { width: 24px; height: 24px; stroke: #fff; }
.detail-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.detail-card .dc-desc { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 14px; }
.detail-card .dc-features { font-size: 0.82rem; color: var(--n-500); line-height: 1.9; }

/* ---------- Feature checklist (product pages) ---------- */
.feature-checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 30px; }
.feature-checklist li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: var(--text-secondary); }
.feature-checklist li svg { flex-shrink: 0; width: 18px; height: 18px; stroke: var(--alpha-petrol); margin-top: 2px; }
.feature-checklist li strong { color: var(--text-primary); display: block; margin-bottom: 2px; }
.feature-checklist.on-dark li { color: var(--text-on-dark-muted); }
.feature-checklist.on-dark li strong { color: #fff; }
.feature-checklist.on-dark li svg { stroke: var(--alpha-gold-light); }

/* ---------- Module cards (Protik) ---------- */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.module-card { background: #fff; border: 1px solid var(--n-100); border-radius: var(--radius-md); padding: 28px; }
.module-card h4 { font-size: 1.02rem; margin-bottom: 10px; }
.module-card p { color: var(--text-secondary); font-size: 0.88rem; }

/* ---------- Tag row (pill lists: what-it-does, impact areas, reinforcement strips) ---------- */
.tag-row { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-row.center { justify-content: center; }
.tag-row span { padding: 9px 18px; border-radius: 100px; background: var(--bg-alt); font-size: 0.85rem; font-weight: 700; color: var(--alpha-midnight); }
.tag-row.on-dark span { background: rgba(255,255,255,0.07); color: #fff; }

/* ---------- Tech badges (light bg) ---------- */
.tech-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.tech-badges span { font-size: 0.8rem; font-weight: 700; padding: 8px 16px; border-radius: 8px; background: var(--bg-alt); color: var(--text-primary); }

/* ---------- Process strip ---------- */
.process-strip { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 54px; }
.process-strip .step { padding: 13px 24px; border-radius: 100px; background: var(--bg-alt); font-weight: 700; font-size: 0.88rem; color: var(--alpha-midnight); }
.process-strip .arrow { color: var(--n-300); font-size: 1.2rem; }

/* ---------- Stat row (light bg) ---------- */
.stat-row-light {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 28px; text-align: center; padding: 40px; background: var(--bg-alt); border-radius: var(--radius-lg);
}
.stat-row-light .num { font-size: 1.8rem; font-weight: 800; color: var(--alpha-petrol); }
.stat-row-light .label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 600; margin-top: 4px; }
.stat-row-light.on-dark { background: rgba(255,255,255,0.05); }
.stat-row-light.on-dark .num { color: var(--alpha-gold-light); }
.stat-row-light.on-dark .label { color: var(--text-on-dark-muted); }

/* ---------- Split section (icon list + visual panel), generic reuse of why-grid pattern ---------- */
.split-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items: center; }
.split-grid.reverse { grid-template-columns: 1.15fr 0.85fr; }
.split-panel {
  background: var(--alpha-midnight); border-radius: var(--radius-lg); padding: 44px; color: #fff; position: relative; overflow: hidden;
}
.split-panel::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 60% at 80% 0%, rgba(255,176,0,0.22), transparent 60%); }
.split-panel-inner { position: relative; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 18px; background: #fff; border: 1px solid var(--n-100); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-card); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.form-group input, .form-group select, .form-group textarea {
  padding: 14px 16px; border-radius: 10px; border: 1.5px solid var(--n-100);
  font-family: inherit; font-size: 0.95rem; color: var(--text-primary); background: #fff;
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--alpha-petrol); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--n-500); }
.contact-info-panel { background: var(--alpha-midnight); border-radius: var(--radius-lg); padding: 40px; color: #fff; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 28px; }
.contact-info-item:last-child { margin-bottom: 0; }
.contact-info-item .ci-icon {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px;
  background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
}
.contact-info-item .ci-icon svg { width: 21px; height: 21px; stroke: var(--alpha-gold); }
.contact-info-item h4 { font-size: 0.78rem; color: var(--text-on-dark-muted); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 6px; font-weight: 700; }
.contact-info-item p, .contact-info-item a { font-size: 1rem; font-weight: 700; color: #fff; }
.contact-info-social { display: flex; gap: 10px; margin-top: 8px; }
.contact-info-social a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; transition: background var(--transition); }
.contact-info-social a:hover { background: var(--alpha-petrol); }
.contact-info-social svg { width: 16px; height: 16px; stroke: #fff; }
.form-success {
  display: none; align-items: center; gap: 12px; padding: 16px 20px; border-radius: 12px;
  background: rgba(0,122,140,0.08); border: 1px solid rgba(0,122,140,0.25); color: var(--alpha-petrol); font-weight: 700; font-size: 0.9rem;
}
.form-success.show { display: flex; }
.form-success svg { width: 20px; height: 20px; stroke: var(--alpha-petrol); flex-shrink: 0; }

/* ---------- Interior responsive ---------- */
@media (max-width: 1080px) {
  .vmp-grid { grid-template-columns: 1fr; }
  .check-list.cols-2 { grid-template-columns: 1fr; }
  .snapshot-grid { grid-template-columns: 1fr 1fr; }
  .detail-card-grid, .detail-card-grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .module-grid { grid-template-columns: 1fr 1fr; }
  .split-grid, .split-grid.reverse { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .page-hero { padding: 140px 0 70px; }
}
@media (max-width: 640px) {
  .feature-checklist { grid-template-columns: 1fr; }
  .snapshot-grid { grid-template-columns: 1fr; }
  .detail-card-grid, .detail-card-grid.cols-2 { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .process-strip { flex-direction: column; align-items: stretch; }
  .process-strip .step { text-align: center; }
  .process-strip .arrow { display: none; }
}