/* ============================================================
   COREVA SOLUTION — Design System
   Palette: deep pine + emerald (brand), warm ivory (surface),
            amber (single CTA accent, used sparingly)
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (data & eyebrows)
   Signature: "Ops Console" motif — hairline grids, mono readouts,
              node/route lines echoing the product's own dashboard.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --bg:            #F9F6EF;
  --surface:       #FFFFFF;
  --surface-alt:   #F1EEE3;
  --ink:           #14201A;
  --ink-soft:      #4C5A52;
  --ink-faint:     #8B968D;
  --primary:       #16513A;
  --primary-2:     #1F7A52;
  --primary-light: #E7F1EA;
  --accent:        #DE9A34;
  --accent-ink:    #4A2E08;
  --line:          #DDD6C4;
  --line-strong:   #C7BEA6;
  --dark:          #0C2019;
  --dark-2:        #0F2C22;
  --dark-line:     rgba(255,255,255,0.12);

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

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

*{ box-sizing: border-box; margin:0; padding:0; }

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body{
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; }
button{ font-family: inherit; cursor:pointer; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h1{ font-size: clamp(2.4rem, 4.6vw, 3.9rem); font-weight: 700; }
h2{ font-size: clamp(1.9rem, 3.2vw, 2.6rem); }
h3{ font-size: 1.3rem; }

p{ color: var(--ink-soft); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--primary-2);
  display: inline-block;
}
.eyebrow.on-dark{ color: var(--accent); }
.eyebrow.on-dark::before{ background: var(--accent); }

.lede{
  font-size: 1.1rem;
  max-width: 620px;
  color: var(--ink-soft);
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-accent{
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 6px 18px rgba(222,154,52,0.35);
}
.btn-accent:hover{ box-shadow: 0 10px 24px rgba(222,154,52,0.45); }
.btn-outline{
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-outline:hover{ border-color: var(--primary); color: var(--primary); }
.btn-outline.on-dark{ border-color: rgba(255,255,255,0.35); color: #fff; }
.btn-outline.on-dark:hover{ border-color: #fff; }
.btn-primary{
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover{ background: var(--primary-2); }
.btn-sm{ padding: 10px 18px; font-size: 0.85rem; }

/* ---------- Nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(249,246,239,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.brand{
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}
.brand small{
  display:block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.brand-mark{ width: 34px; height: 34px; flex-shrink:0; }

.nav-links{
  display: flex; align-items: center; gap: 34px;
}
.nav-links a{
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color .15s ease;
}
.nav-links a:hover{ color: var(--primary); }
.nav-links a.active{ color: var(--primary); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-6px;
  height: 2px; background: var(--accent);
  border-radius: 2px;
}
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; background:none; border:none; padding:6px;
}
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; }

@media (max-width: 920px){
  .nav-links{
    position: fixed; inset: 68px 0 0 0;
    background: var(--bg);
    flex-direction: column; align-items: flex-start;
    padding: 30px 32px; gap: 22px;
    transform: translateX(100%);
    transition: transform .28s ease;
    overflow-y:auto;
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-links a{ font-size: 1.1rem; }
  .nav-toggle{ display:block; }
  .nav-cta .btn-outline{ display:none; }
}

/* ---------- Sections ---------- */
section{ padding: 96px 0; position: relative; }
.section-tight{ padding: 64px 0; }
.section-alt{ background: var(--surface-alt); }
.section-dark{ background: var(--dark); color: #fff; }
.section-dark h2, .section-dark h3{ color: #fff; }
.section-dark p{ color: rgba(255,255,255,0.68); }

.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

hr.rule{ border:none; border-top:1px solid var(--line); }

/* ---------- Grid helpers ---------- */
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center; }
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4{ display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
@media (max-width: 920px){
  .grid-2{ grid-template-columns: 1fr; gap: 40px; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-4{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .grid-4{ grid-template-columns: 1fr; }
}

/* ---------- Cards ---------- */
.card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(20,32,26,0.25);
  border-color: var(--line-strong);
}
.card-icon{
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 20px;
  color: var(--primary);
}
.card-icon svg{ width:24px; height:24px; }
.card h3{ margin-bottom: 10px; }
.card p{ font-size: 0.95rem; }

/* product / feature card link */
.card-link{
  margin-top: 18px; display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em;
  color: var(--primary-2); text-transform: uppercase;
}

/* ---------- Stats strip ---------- */
.stats{
  display:grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}
.stat{
  padding: 30px 20px;
  text-align:center;
  border-left: 1px solid var(--dark-line);
}
.stat:first-child{ border-left:none; }
.stat .num{
  font-family: var(--font-mono);
  font-size: clamp(1.6rem,2.6vw,2.2rem);
  font-weight: 600;
  color: var(--accent);
  display:block;
}
.stat .lbl{
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 6px;
  letter-spacing: 0.02em;
}
@media (max-width: 700px){
  .stats{ grid-template-columns: 1fr 1fr; }
  .stat{ border-left:none; border-top:1px solid var(--dark-line); }
  .stat:nth-child(odd){ border-right: 1px solid var(--dark-line); }
}

/* ---------- Console mock (hero signature element) ---------- */
.console{
  background: var(--dark-2);
  border-radius: 18px;
  border: 1px solid var(--dark-line);
  padding: 22px;
  box-shadow: 0 40px 80px -30px rgba(12,32,25,0.55);
  position: relative;
}
.console-bar{
  display:flex; align-items:center; gap:8px; margin-bottom:18px;
}
.console-bar span{ width:9px; height:9px; border-radius:50%; background: rgba(255,255,255,0.18); }
.console-title{
  font-family: var(--font-mono); font-size: 0.72rem; color: rgba(255,255,255,0.45);
  margin-left:8px; letter-spacing:0.05em;
}
.console-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.console-cell{
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--dark-line);
  border-radius: 10px;
  padding: 16px;
}
.console-cell .k{
  font-family: var(--font-mono); font-size: 0.68rem;
  color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 0.06em;
}
.console-cell .v{
  font-family: var(--font-mono); font-size: 1.5rem; color:#fff; font-weight:600; margin-top:6px;
}
.console-cell .v.up{ color: #6FDBA3; }
.console-feed{
  margin-top: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--dark-line);
  border-radius: 10px;
  padding: 14px 16px;
}
.console-feed .row{
  display:flex; justify-content:space-between; align-items:center;
  font-family: var(--font-mono); font-size: 0.74rem; color: rgba(255,255,255,0.6);
  padding: 6px 0;
  border-bottom: 1px dashed var(--dark-line);
}
.console-feed .row:last-child{ border-bottom:none; }
.console-feed .row .tag{
  color: #6FDBA3; background: rgba(111,219,163,0.12);
  padding: 2px 8px; border-radius: 999px; font-size: 0.68rem;
}
.pulse-dot{
  width:7px; height:7px; border-radius:50%; background:#6FDBA3; display:inline-block;
  margin-right:6px; animation: pulse 1.8s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(111,219,163,0.6); }
  70%{ box-shadow: 0 0 0 8px rgba(111,219,163,0); }
  100%{ box-shadow: 0 0 0 0 rgba(111,219,163,0); }
}

/* ---------- Hero ---------- */
.hero{ padding-top: 88px; padding-bottom: 60px; position:relative; overflow:hidden; }
.hero::before{
  content:"";
  position:absolute; inset: -20% -10% auto -10%;
  height: 620px;
  background: radial-gradient(60% 60% at 30% 20%, rgba(31,122,82,0.10), transparent 70%);
  pointer-events:none;
}
.hero-inner{
  display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items:center;
}
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
}
.hero h1{ margin-bottom: 20px; }
.hero .lede{ margin-bottom: 32px; }
.hero-ctas{ display:flex; gap: 16px; flex-wrap:wrap; margin-bottom: 40px; }
.hero-note{
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-faint);
  display:flex; align-items:center; gap:8px;
}

/* ---------- Logo strip ---------- */
.logo-strip{
  display:flex; align-items:center; justify-content:space-between; gap:40px;
  flex-wrap: wrap;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.logo-strip .logo-name{
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-faint);
  letter-spacing: 0.03em; filter: grayscale(1); opacity: 0.75;
}

/* ---------- Timeline ---------- */
.timeline{ position: relative; padding-left: 36px; }
.timeline::before{
  content:""; position:absolute; left:5px; top:6px; bottom:6px; width:1px;
  background: var(--line-strong);
}
.timeline-item{ position:relative; padding-bottom: 44px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:""; position:absolute; left:-36px; top:4px;
  width:11px; height:11px; border-radius:50%;
  background: var(--accent); border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--line-strong);
}
.timeline-item .yr{
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--primary-2);
  letter-spacing: 0.04em; margin-bottom: 6px; display:block;
}

/* ---------- Workflow steps ---------- */
.workflow{
  display:flex; gap:0; overflow-x:auto; padding-bottom: 8px;
}
.wf-step{
  flex: 1 1 0; min-width: 190px;
  padding: 24px 22px 22px;
  border-top: 3px solid var(--primary);
  background: var(--surface);
  border-radius: 0 0 10px 10px;
  position:relative;
}
.wf-step + .wf-step{ margin-left: 18px; }
.wf-step .n{
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--primary-2);
  margin-bottom: 10px; display:block;
}
.wf-step h4{ font-size: 1rem; margin-bottom: 8px; }
.wf-step p{ font-size: 0.86rem; }

/* ---------- Split feature (alternating) ---------- */
.feature-split{
  display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center;
  padding: 72px 0;
}
.feature-split.reverse .feature-visual{ order:2; }
.feature-split.reverse .feature-text{ order:1; }
@media (max-width: 920px){
  .feature-split{ grid-template-columns:1fr; padding: 48px 0; }
  .feature-split.reverse .feature-visual{ order:0; }
  .feature-split.reverse .feature-text{ order:0; }
}
.feature-list{ margin-top: 24px; display:flex; flex-direction:column; gap:18px; }
.feature-list li{
  display:flex; gap:14px; align-items:flex-start;
  color: var(--ink);
  font-size: 0.98rem;
}
.feature-list .dot{
  width: 22px; height:22px; border-radius:6px; flex-shrink:0;
  background: var(--primary-light); color: var(--primary);
  display:flex; align-items:center; justify-content:center; margin-top:2px;
}
.feature-list strong{ display:block; margin-bottom: 2px; }
.feature-list span.desc{ color: var(--ink-soft); font-size: 0.9rem; }

.visual-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 30px 60px -36px rgba(20,32,26,0.28);
}

/* ---------- Testimonials ---------- */
.testi-track{
  display:flex; gap:24px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding-bottom: 12px;
}
.testi{
  scroll-snap-align:start;
  min-width: min(420px,86vw);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.testi .quote{ font-size: 1.02rem; color: var(--ink); margin-bottom: 22px; }
.testi .who{ display:flex; align-items:center; gap:12px; }
.testi .avatar{
  width:40px; height:40px; border-radius:50%;
  background: var(--primary-light); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:700; font-size:0.9rem;
}
.testi .name{ font-weight:600; font-size:0.92rem; }
.testi .role{ font-size:0.8rem; color: var(--ink-faint); }

/* ---------- Node diagram (products page) ---------- */
.node-wrap{ position:relative; width:100%; max-width:520px; margin:0 auto; aspect-ratio: 1/1; }
.node-hub{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width: 118px; height:118px; border-radius:50%;
  background: var(--primary);
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family:var(--font-display); font-weight:700; font-size:0.92rem;
  text-align:center; line-height:1.2; padding:10px;
  box-shadow: 0 20px 44px -16px rgba(22,81,58,0.55);
  z-index:2;
}
.node{
  position:absolute; width: 108px;
  background:var(--surface); border:1px solid var(--line); border-radius:12px;
  padding: 12px 12px; text-align:center; font-size: 0.74rem; font-weight:600;
  box-shadow: 0 12px 24px -14px rgba(20,32,26,0.3);
  z-index:2;
}
.node svg{ width:20px; height:20px; color:var(--primary-2); margin:0 auto 6px; display:block; }
.node-svg-lines{ position:absolute; inset:0; z-index:1; }
.node-svg-lines line{ stroke: var(--line-strong); stroke-width:1.4; }

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items:flex-start; }
@media (max-width: 980px){ .contact-grid{ grid-template-columns:1fr; } }
.form-card{
  background: var(--surface);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
@media (max-width:560px){ .form-row{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:18px; }
.field label{ font-size:0.82rem; font-weight:600; color: var(--ink); }
.field input, .field select, .field textarea{
  font-family: var(--font-body);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.94rem;
  background: var(--bg);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: 2px solid var(--primary-2); outline-offset:1px;
  border-color: var(--primary-2);
}
.field textarea{ resize: vertical; min-height: 110px; }
.form-note{ font-size:0.82rem; color:var(--ink-faint); margin-top:10px; }

.info-card{
  background: var(--dark);
  color:#fff;
  border-radius: var(--radius);
  padding: 32px;
}
.info-card h3{ color:#fff; margin-bottom: 6px; }
.info-row{
  display:flex; gap:14px; padding: 18px 0;
  border-top: 1px solid var(--dark-line);
}
.info-row:first-of-type{ border-top:none; padding-top: 22px; }
.info-icon{
  width:38px; height:38px; border-radius:10px; flex-shrink:0;
  background: rgba(255,255,255,0.08);
  display:flex; align-items:center; justify-content:center; color:var(--accent);
}
.info-row .lbl{ font-size:0.74rem; text-transform:uppercase; letter-spacing:0.06em; color:rgba(255,255,255,0.5); font-family: var(--font-mono); }
.info-row .val{ font-size:0.95rem; margin-top:3px; }
.map-embed{
  border-radius: var(--radius); overflow:hidden; border:1px solid var(--line);
  margin-top:24px; height: 260px;
}
.map-embed iframe{ width:100%; height:100%; border:0; }

/* WhatsApp floating button */
.wa-float{
  position: fixed; right: 24px; bottom: 24px; z-index: 200;
  width: 58px; height:58px; border-radius:50%;
  background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 12px 30px rgba(37,211,102,0.45);
  animation: floaty 3s ease-in-out infinite;
}
.wa-float svg{ width:28px; height:28px; }
@keyframes floaty{ 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-6px);} }

/* ---------- Footer ---------- */
footer{
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 28px;
}
.footer-grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 44px; border-bottom: 1px solid var(--dark-line);
}
@media (max-width: 820px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
.footer-grid h4{ color:#fff; font-size:0.85rem; letter-spacing:0.04em; margin-bottom:16px; text-transform:uppercase; font-family:var(--font-mono); font-weight:500;}
.footer-grid ul{ display:flex; flex-direction:column; gap:10px; }
.footer-grid a{ font-size:0.9rem; color: rgba(255,255,255,0.65); transition: color .15s; }
.footer-grid a:hover{ color:#fff; }
.footer-brand p{ color: rgba(255,255,255,0.6); font-size:0.9rem; margin-top:14px; max-width:280px; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top: 24px; flex-wrap:wrap; gap:12px;
  font-size: 0.8rem; color: rgba(255,255,255,0.45);
}

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- Page header (inner pages) ---------- */
.page-header{
  padding: 64px 0 56px;
  background: var(--dark);
  color:#fff;
  position: relative;
  overflow: hidden;
}
.page-header::after{
  content:"";
  position:absolute; right:-10%; top:-40%;
  width:600px; height:600px; border-radius:50%;
  background: radial-gradient(closest-side, rgba(31,122,82,0.35), transparent 70%);
}
.page-header h1{ color:#fff; margin-bottom:14px; }
.page-header p{ color: rgba(255,255,255,0.68); max-width:600px; }
.breadcrumb{
  font-family: var(--font-mono); font-size:0.76rem; color: var(--accent);
  letter-spacing:0.05em; margin-bottom:18px; display:block;
}

/* ---------- CTA banner ---------- */
.cta-banner{
  background: var(--primary);
  border-radius: 22px;
  padding: 56px;
  display:flex; align-items:center; justify-content:space-between; gap:30px;
  flex-wrap:wrap;
  color:#fff;
  position: relative;
  overflow:hidden;
}
.cta-banner::before{
  content:""; position:absolute; inset:0;
  background: radial-gradient(50% 100% at 90% 0%, rgba(255,255,255,0.12), transparent 60%);
}
.cta-banner h2{ color:#fff; margin-bottom:8px; position:relative; }
.cta-banner p{ color: rgba(255,255,255,0.8); position:relative; }
.cta-banner .btn-accent{ position:relative; }

/* utility */
.mt-8{ margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;}
.text-center{ text-align:center; }