/* =========================================================
   CERTI5 TECHNOLOGIES — Design tokens
   Palette drawn from the Certi5 mark itself: signal blue to
   certified green. Navy for weight, cloud white for air.
   ========================================================= */
:root{
  --navy:        #0B1E2D;
  --navy-2:      #10283B;
  --ink:         #16242E;
  --steel:       #64757F;
  --steel-light: #A9B7BF;
  --cloud:       #F6F8F9;
  --cloud-2:     #EEF2F3;
  --white:       #FFFFFF;
  --blue:        #1C7FD0;
  --blue-dark:   #135A96;
  --green:       #2FA35B;
  --green-dark:  #237B45;
  --line:        #E3E8EA;
  --line-dark:   #1E3648;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cloud);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3{ font-family: var(--font-display); font-weight: 600; margin:0 0 .5em; letter-spacing: -0.01em; color: var(--navy); }
.section-dark h1, .section-dark h2, .section-dark h3{ color: var(--white); }
p{ margin: 0 0 1em; color: var(--steel); }
.section-dark p{ color: var(--steel-light); }
.mono{ font-family: var(--font-mono); }

:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn-primary{
  background: linear-gradient(100deg, var(--blue), var(--green));
  color: var(--white);
  box-shadow: 0 8px 20px -8px rgba(28,127,208,.55);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 12px 24px -8px rgba(28,127,208,.6); }
.btn-ghost{
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover{ border-color: var(--blue); color: var(--blue); }
.section-dark .btn-ghost{ color:var(--white); border-color: var(--line-dark); }
.btn-lg{ padding: 16px 32px; font-size: 1rem; }

/* ================= NAV ================= */
.nav{
  position: sticky; top:0; z-index: 100;
  background: rgba(246,248,249,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 28px;
  display:flex;
  align-items:center;
  gap: 24px;
}
.nav-logo{ height: 34px; width:auto; }
.nav-brand{ display:flex; align-items:center; margin-right:auto; }
.nav-links{ display:flex; gap: 28px; }
.nav-links a{
  font-size: .92rem; font-weight:500; color: var(--ink);
  position:relative; padding: 4px 0;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; height:2px; width:0;
  background: linear-gradient(90deg,var(--blue),var(--green));
  transition: width .2s ease;
}
.nav-links a:hover::after{ width:100%; }
.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;
}
.nav-toggle span{ width:22px; height:2px; background: var(--navy); display:block; }

/* ================= HERO ================= */
.hero{
  padding: 88px 0 96px;
  overflow: hidden;
}
.hero-grid{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items:center;
}
.eyebrow{
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-dark);
  font-weight:600;
  margin-bottom: 14px;
}
.eyebrow.center{ text-align:center; }
h1{
  font-size: clamp(2.3rem, 4vw, 3.4rem);
  line-height: 1.08;
}
.hero-sub{
  font-size: 1.12rem;
  max-width: 46ch;
  margin-bottom: 30px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 40px; }
.trust-bar{
  display:flex; flex-wrap:wrap; gap: 10px 22px;
  list-style:none; padding:0; margin:0;
  font-size: .78rem; color: var(--steel);
}
.trust-bar li{ position:relative; padding-left:16px; }
.trust-bar li::before{
  content:''; position:absolute; left:0; top:6px; width:7px; height:7px; border-radius:50%;
  background: linear-gradient(120deg,var(--blue),var(--green));
}

/* --- Hero visual: inspection report card --- */
.hero-visual{ position:relative; height: 420px; }
.report-card{
  position:absolute; inset:0;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -20px rgba(11,30,45,.25);
  padding: 22px 22px 18px;
  display:flex; flex-direction:column;
}
.report-card-back{
  z-index:-1;
  transform: rotate(4deg) translate(18px, 14px);
  background: var(--cloud-2);
  opacity: .7;
}
.report-head{
  display:flex; justify-content:space-between; align-items:center;
  padding-bottom: 14px; margin-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: .68rem; letter-spacing:.04em;
}
.report-id{ color: var(--steel); }
.report-status{
  color: var(--green-dark); background: #E7F5EC; padding: 4px 9px; border-radius: 999px; font-weight:600;
}
.report-row{
  display:flex; justify-content:space-between; align-items:center;
  padding: 12px 0; border-bottom: 1px solid var(--cloud-2);
  font-size: .88rem; color: var(--navy);
}
.report-row-pending{ color: var(--navy); }
.report-row-dim{ opacity: .45; }
.tag{
  font-family: var(--font-mono); font-size: .66rem; font-weight:600; letter-spacing:.03em;
  padding: 4px 9px; border-radius: 999px;
}
.tag-pass{ background:#E7F5EC; color: var(--green-dark); }
.tag-pending{ background:#EAF3FB; color: var(--blue-dark); }
.tag-idle{ background: var(--cloud-2); color: var(--steel); }
.report-foot{
  margin-top:auto; padding-top: 14px;
  display:flex; justify-content:space-between; align-items:center;
  font-size: .68rem; color: var(--steel);
}
.sync-dot{
  width:9px; height:9px; border-radius:50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(47,163,91,.5);
  animation: pulse 2.2s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(47,163,91,.45); }
  70%{ box-shadow: 0 0 0 10px rgba(47,163,91,0); }
  100%{ box-shadow: 0 0 0 0 rgba(47,163,91,0); }
}

/* ================= SECTIONS ================= */
.section{ padding: 92px 0; }
.section-dark{
  background: linear-gradient(180deg, var(--navy), var(--navy-2));
}
.center{ text-align:center; }
.section h2{ font-size: clamp(1.7rem, 2.6vw, 2.3rem); max-width: 720px; }
.section > .container > h2.center{ margin-left:auto; margin-right:auto; }
.section-sub{
  max-width: 560px; margin: 0 auto 52px;
  font-size: 1.02rem;
}

/* split layout */
.split{
  display:grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 56px;
}
.split-reverse{ direction: rtl; }
.split-reverse > *{ direction: ltr; }
.split-label h2{ margin-top:6px; }
.split-body p{ font-size: 1.05rem; max-width: 56ch; }

/* feature grid */
.feature-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 20px;
}
.feature-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 20px 34px -18px rgba(11,30,45,.2);
  border-color: transparent;
}
.feature-icon{
  width: 44px; height:44px;
  color: var(--blue);
  margin-bottom: 18px;
}
.feature-card:nth-child(2) .feature-icon{ color: var(--green); }
.feature-card:nth-child(4) .feature-icon{ color: var(--green); }
.feature-card h3{ font-size: 1.08rem; margin-bottom: 8px; }
.feature-card p{ font-size: .92rem; margin:0; }

/* standards */
.standards-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 44px;
}
.standard-card{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 30px 28px;
}
.standard-tag{
  display:inline-block; font-size: .72rem; letter-spacing:.04em;
  color: var(--white); background: linear-gradient(100deg,var(--blue),var(--green));
  padding: 6px 12px; border-radius: 999px; margin-bottom: 16px; font-weight:600;
}
.standard-card h3{ font-size: 1.15rem; }
.standard-card p{ font-size: .95rem; margin:0; }

/* coverage */
.coverage-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center;
}
.coverage-stat{
  display:flex; align-items:baseline; gap: 12px; margin-top: 26px;
  padding-top: 22px; border-top: 1px solid var(--line);
}
.coverage-number{ font-size: 2.4rem; font-weight:600; color: var(--navy); }
.coverage-label{ color: var(--steel); font-size: .92rem; }
.coverage-visual{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display:grid;
  grid-template-columns: repeat(20, 1fr);
  gap: 5px;
  aspect-ratio: 4/3;
  align-content:center;
}
.jdot{
  width:100%; aspect-ratio:1; border-radius:2px;
  background: var(--cloud-2);
}
.jdot.on{
  background: linear-gradient(140deg, var(--blue), var(--green));
}

/* steps */
.steps{
  display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 40px;
}
.step{
  border-top: 2px solid var(--line-dark);
  padding-top: 20px;
}
.step-num{ color: var(--blue); font-size: .85rem; font-weight:600; }
.step h3{ font-size: 1.05rem; margin: 10px 0 8px; }
.step p{ font-size: .9rem; margin:0; }

/* pricing */
.pricing-card{
  max-width: 640px; margin: 0 auto; text-align:center;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 56px 44px;
}
.pricing-card .eyebrow{ justify-content:center; }
.pricing-card h2{ margin-bottom: 14px; }
.pricing-card p{ margin-bottom: 30px; }

/* about */
.about-logos{ margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.about-logos-label{ display:block; font-size: .7rem; letter-spacing:.06em; text-transform:uppercase; color: var(--steel-light); color: var(--steel); margin-bottom: 12px; }
.about-logo-xpress{ height: 46px; width:auto; }

/* final cta */
.cta-final{
  padding: 100px 0;
  text-align:center;
  background: var(--white);
}
.cta-final h2{ font-size: clamp(1.7rem,3vw,2.4rem); }
.cta-final p{ max-width: 46ch; margin: 0 auto 30px; font-size: 1.05rem; }

/* footer */
.footer{
  background: var(--navy);
  padding: 44px 0;
}
.footer-inner{
  display:flex; align-items:center; gap: 30px; flex-wrap:wrap;
}
.footer-logo-plate{
  display:inline-flex; align-items:center; justify-content:center;
  background: var(--white);
  border-radius: 10px;
  padding: 8px 14px;
}
.footer-logo{ height: 26px; width:auto; }
.footer-links{ display:flex; gap:20px; flex-wrap:wrap; margin-right:auto; }
.footer-links a{ font-size:.85rem; color: var(--steel-light); }
.footer-links a:hover{ color: var(--white); }
.footer-copy{ font-size: .74rem; color: var(--steel-light); }

/* ================= REVEAL ANIMATION ================= */
.reveal{
  opacity:0; transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .sync-dot{ animation:none; }
}

/* ================= RESPONSIVE ================= */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ height: 380px; order: -1; }
  .feature-grid{ grid-template-columns: repeat(2,1fr); }
  .standards-grid{ grid-template-columns: 1fr; }
  .coverage-grid{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: repeat(2,1fr); }
  .split{ grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 680px){
  .nav-links{
    position:absolute; top: 100%; left:0; right:0;
    background: var(--cloud); border-bottom: 1px solid var(--line);
    flex-direction:column; padding: 18px 28px; gap: 16px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .nav-cta{ display:none; }
  .feature-grid{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .hero{ padding: 56px 0 64px; }
  .section{ padding: 64px 0; }
}