/* =========================================================
   Evo Engineering and Design — Design System
   ========================================================= */

:root {
  /* Brand — Evo Engineering Design v2
     Electric Cyan on Deep Graphite — built for what's next. */
  --bg: #0F1115;            /* deep graphite */
  --bg-elev: #1A212B;       /* steel surface */
  --bg-elev-2: #232D38;     /* elevated surface */
  --border: #2E3945;        /* border / divider */
  --border-strong: #3A4756;
  --text: #F3F5F7;          /* primary text */
  --text-2: #AAB4C0;        /* secondary text */
  --text-3: #6F7B8A;        /* tertiary / muted */
  --accent: #00C2FF;        /* electric cyan — primary accent */
  --accent-hover: #35D0FF;
  --accent-glow: #7FE7FF;
  --accent-ink: #0F1115;
  --warm: #FFB37A;          /* signal warm — used sparingly for human moments */
  --danger: #FF6A6A;

  /* Type */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Layout */
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 32px);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html { scroll-behavior: smooth; }

body {
  overflow-x: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 194, 255, 0.10), transparent 60%),
    var(--bg);
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover { color: var(--accent); }

button { font-family: inherit; cursor: pointer; }

/* ------- Typography ------- */
h1, h2, h3, h4, h5 {
  margin: 0 0 0.4em;
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { margin: 0 0 1em; color: var(--text-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.02);
}

.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.lead {
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  color: var(--text-2);
  line-height: 1.55;
  max-width: 60ch;
}

.accent { color: var(--accent); }
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.mono { font-family: var(--font-mono); }

/* ------- Layout ------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { padding: clamp(80px, 12vw, 140px) 0; position: relative; }
section.tight { padding: clamp(60px, 8vw, 96px) 0; }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin: 0;
}

/* ------- Buttons ------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
  transform: translateY(-1px);
  box-shadow: 0 10px 30px -10px rgba(0, 194, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--bg-elev);
  border-color: var(--text-3);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  padding: 8px 0;
  border-radius: 0;
}

.btn-ghost:hover { color: var(--accent); }

.btn .arrow {
  width: 16px; height: 16px;
  transition: transform 0.2s var(--ease);
}

.btn:hover .arrow { transform: translateX(3px); }

/* ------- Navigation ------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 21, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.nav.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Brand — EVO wordmark with cyan V + "Engineering Design" subtitle */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  line-height: 1;
}
.brand:hover { color: var(--text); }

.brand-mark, .brand-name { display: none; } /* legacy — unused */

.brand-wordmark {
  display: inline-flex;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.06em;
  color: var(--text);
  line-height: 1;
}
.brand-wordmark .v {
  color: var(--accent);
  text-shadow: 0 0 14px rgba(0, 194, 255, 0.55);
}

.brand-sub {
  display: inline-flex;
  flex-direction: column;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-2);
  line-height: 1.25;
  padding-left: 12px;
  border-left: 1px solid var(--border-strong);
  white-space: nowrap;
}
.brand-sub span:nth-child(2) { color: var(--text-3); }

@media (max-width: 600px) {
  .brand-sub { display: none; }
}
@media (max-width: 540px) {
  .brand-wordmark { font-size: 22px; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  font-size: 14.5px;
  color: var(--text-2);
  padding: 8px 14px;
  border-radius: 8px;
}

.nav-links a:hover { color: var(--text); background: var(--bg-elev); }

.nav-cta { margin-left: 8px; padding: 10px 18px !important; font-size: 14px !important; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    gap: 4px;
    transform: translateY(-110%);
    transition: transform 0.3s var(--ease);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px; font-size: 16px; }
  .nav-toggle { display: inline-flex; }
}

/* ------- Hero ------- */
.hero {
  padding: clamp(80px, 14vw, 160px) 0 clamp(60px, 10vw, 120px);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 75%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 920px; }

.hero h1 { margin-top: 24px; }

.hero h1 .em {
  background: linear-gradient(180deg, var(--text) 0%, var(--text-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .lead { margin: 22px 0 36px; font-size: clamp(1.1rem, 1.6vw, 1.35rem); }

.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero stats / trust strip */
.hero-trust {
  margin-top: clamp(60px, 10vw, 100px);
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: center;
}

.hero-trust-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  max-width: 220px;
}

.hero-trust-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-size: 14.5px;
  color: var(--text-2);
}

.hero-trust-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-trust-tags span::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--text-3);
}

@media (max-width: 700px) {
  .hero-trust { grid-template-columns: 1fr; gap: 16px; }
}

/* ------- Section header ------- */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 80px;
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.section-head h2 { margin-bottom: 0; }

.section-head .lead { margin: 0; }

@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: 20px; }
}

/* ------- Service cards ------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--bg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.2s var(--ease);
  min-height: 280px;
}

.service-card:hover { background: var(--bg-elev); }

.service-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  display: grid; place-items: center;
  color: var(--accent);
  margin-bottom: 6px;
}

.service-card h3 { font-size: 1.2rem; margin: 0; }

.service-card p {
  font-size: 15px;
  color: var(--text-2);
  margin: 0;
  flex-grow: 1;
}

.service-card .link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s var(--ease);
  margin-top: 8px;
}

.service-card:hover .link { color: var(--accent); }

/* ------- Featured: PLGR ------- */
.plgr {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0;
}

.plgr-card {
  background:
    radial-gradient(ellipse 100% 80% at 0% 0%, rgba(0, 194, 255, 0.08), transparent 60%),
    var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 72px);
  align-items: center;
}

.plgr-card .eyebrow { background: rgba(0, 194, 255, 0.08); border-color: rgba(0, 194, 255, 0.2); color: var(--accent); }
.plgr-card .eyebrow::before { background: var(--accent); }

.plgr-card h2 { margin-top: 18px; }

.plgr-checks {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plgr-checks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-2);
  font-size: 15.5px;
}

.plgr-checks .dot {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(0, 194, 255, 0.12);
  display: grid; place-items: center;
  margin-top: 3px;
}

.plgr-checks .dot::after {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.plgr-visual {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
}

.plgr-visual-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--border-strong);
  color: var(--text-3);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.plgr-visual-head::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.plgr-step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 10px 0;
}

.plgr-step .num {
  color: var(--accent);
  font-weight: 600;
}

.plgr-step .label { color: var(--text); }

.plgr-step .meta {
  color: var(--text-3);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
}

@media (max-width: 900px) {
  .plgr-card { grid-template-columns: 1fr; }
}

/* ------- Process ------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

@media (max-width: 900px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .process-grid { grid-template-columns: 1fr; }
}

.process-step {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.process-step .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 8px;
}

.process-step h3 { font-size: 1.15rem; margin: 0; }

.process-step p { font-size: 14.5px; margin: 0; color: var(--text-2); }

/* ------- Differentiators ------- */
.diffs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (max-width: 760px) { .diffs { grid-template-columns: 1fr; } }

.diff {
  background: var(--bg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diff h3 { margin: 0; font-size: 1.2rem; }

.diff p { font-size: 15px; margin: 0; color: var(--text-2); }

.diff .ico {
  width: 36px; height: 36px;
  color: var(--accent);
  margin-bottom: 4px;
}

/* ------- Case studies ------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.case {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.case:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.case h3 { font-size: 1.15rem; margin: 0; }

.case p { font-size: 14.5px; margin: 0; color: var(--text-2); }

.case-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-strong);
  margin-top: 6px;
}

.case-stat .v {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.case-stat .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ------- FAQ ------- */
.faq {
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq details {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.2s var(--ease);
  line-height: 1;
}

.faq details[open] summary::after { content: '–'; }

.faq details p {
  margin: 14px 0 0;
  color: var(--text-2);
  font-size: 15.5px;
  max-width: 70ch;
}

/* ------- Final CTA ------- */
.final-cta {
  background:
    radial-gradient(ellipse 60% 100% at 50% 100%, rgba(0, 194, 255, 0.12), transparent 60%),
    var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: clamp(80px, 12vw, 140px) 0;
}

.final-cta h2 {
  max-width: 18ch;
  margin: 0 auto 20px;
}

.final-cta .lead { margin: 0 auto 36px; }

.final-cta .hero-ctas { justify-content: center; }

/* ------- Footer ------- */
.footer {
  background: var(--bg);
  padding: 64px 0 32px;
  color: var(--text-2);
  font-size: 14.5px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 16px;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer a { color: var(--text-2); }
.footer a:hover { color: var(--accent); }

.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: 13px;
}

.footer-brand p {
  color: var(--text-2);
  font-size: 14.5px;
  max-width: 32ch;
  margin: 16px 0 0;
}

/* ------- Forms ------- */
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
}

.form .row-full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 8px; }

.field label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.field label .req { color: var(--accent); }

.field input,
.field select,
.field textarea {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.field textarea { min-height: 140px; resize: vertical; line-height: 1.5; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 194, 255, 0.12);
}

.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }

@media (max-width: 700px) {
  .form { grid-template-columns: 1fr; }
}

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

@media (max-width: 980px) { .tiers { grid-template-columns: 1fr; } }

.tier {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.tier:hover { border-color: var(--border-strong); transform: translateY(-2px); }

.tier.featured {
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(0, 194, 255, 0.10), transparent 60%),
    var(--bg-elev);
  border-color: rgba(0, 194, 255, 0.25);
}

.tier-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 4px 8px;
  border: 1px solid rgba(0, 194, 255, 0.3);
  background: rgba(0, 194, 255, 0.06);
  border-radius: 4px;
}

.tier-name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.tier-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.tier-price .num {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.tier-price .unit { font-size: 14px; color: var(--text-3); }

.tier-desc {
  color: var(--text-2);
  font-size: 15px;
  margin: 0;
}

.tier-list {
  list-style: none;
  padding: 18px 0 0;
  margin: 0;
  border-top: 1px dashed var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.tier-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.45;
}

.tier-list li::before {
  content: '';
  flex-shrink: 0;
  width: 16px; height: 16px;
  margin-top: 2px;
  border-radius: 50%;
  background: rgba(0, 194, 255, 0.12);
  background-image: radial-gradient(circle, var(--accent) 0%, var(--accent) 30%, transparent 32%);
}

.tier .btn { margin-top: 4px; justify-content: center; }

.tier-foot {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  text-align: center;
}

/* ------- "How it works" simple strip ------- */
.simple-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
}

@media (max-width: 800px) { .simple-steps { grid-template-columns: 1fr; } }

.simple-step { display: flex; flex-direction: column; gap: 6px; }

.simple-step .n {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.simple-step h4 { font-size: 1.05rem; margin: 0; color: var(--text); font-weight: 600; }

.simple-step p { font-size: 14.5px; margin: 0; color: var(--text-2); }

/* ------- Office photo block ------- */
.office-photo {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(180deg, rgba(26,23,20,0) 50%, rgba(26,23,20,0.6) 100%),
    linear-gradient(135deg, var(--bg-elev) 0%, var(--bg-elev-2) 100%);
  display: flex;
  align-items: flex-end;
  padding: 28px;
}

.office-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.office-photo::after {
  /* gradient overlay on top of any image for legibility */
  content: '';
  position: 
/* ------- Stats strip (refined, with cyan accent marks) ------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 44px clamp(20px, 3vw, 40px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 90% 60% at 50% 50%, rgba(0,194,255,0.06), transparent 70%),
    var(--bg);
  position: relative;
}
.stats::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, rgba(0,194,255,0.4) 50%, transparent 95%);
}
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 0; padding: 36px 24px; } }
@media (max-width: 540px) { .stats { grid-template-columns: 1fr; padding: 28px 16px; gap: 28px 0; } }

.stat {
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  position: relative;
  border-left: 1px solid var(--border);
}
.stat:first-child { border-left: none; }

/* Small cyan glowing accent mark above each stat — echoes the EVO V tick */
.stat::before {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(0,194,255,0.7);
  border-radius: 1px;
  margin-bottom: 4px;
}

@media (max-width: 900px) {
  .stat:nth-child(3) { border-left: none; }
}
@media (max-width: 540px) {
  .stat { border-left: none; padding: 0 4px; }
}

.stat .ico { display: none; }

.stat .v {
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.05;
}
.stat .v .plus { color: var(--accent); }
.stat .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  line-height: 1.4;
}

.stat .v .plus { color: var(--accent); margin-left: 2px; }

.stat .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 4px;
}

/* Glow utility for cyan accents */
.glow-cyan {
  text-shadow: 0 0 18px rgba(0, 194, 255, 0.45);
}

/* ------- "What we engineer" lifecycle grid ------- */
.engineer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 980px) { .engineer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .engineer-grid { grid-template-columns: 1fr; } }

.engineer-cell {
  background: var(--bg-elev);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: background 0.2s var(--ease);
}
.engineer-cell:hover { background: var(--bg-elev-2); }

.engineer-cell.featured {
  background:
    radial-gradient(ellipse 100% 100% at 0% 0%, rgba(0,194,255,0.10), transparent 60%),
    var(--bg-elev);
}
.engineer-cell.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

.engineer-cell .ph {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: 8px;
}
.engineer-cell .ph .n {
  color: var(--text-3);
}

.engineer-cell h3 { font-size: 1.2rem; margin: 0; }
.engineer-cell > p { font-size: 14.5px; color: var(--text-2); margin: 0; }

.engineer-cell ul {
  list-style: none;
  padding: 12px 0 0;
  margin: 0;
  border-top: 1px dashed var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.engineer-cell li {