/* =========================================================
   TAYSSIR SOFT SOLUTIONS — site vitrine
   Thème sombre. Bleu primaire #0047AD, accent cyan #03D8FD.
   Signature visuelle : schéma de modules connectés
   (ERP/CRM, Stock, Web/Mobile, Sur mesure, Formation...).
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* couleurs de marque */
  --primary:      #0047AD;
  --primary-deep: #003685;
  --primary-soft: #1E5FC2;
  --accent:       #03D8FD;
  --accent-deep:  #00AFCF;

  /* fond sombre */
  --bg:           #060B18;
  --bg-alt:       #0A1330;
  --panel:        #0E1A3B;
  --panel-2:      #122451;
  --border:       rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.18);
  --grid-line:    rgba(3,216,253,.06);

  /* texte */
  --text:         #EAF1FF;
  --text-soft:    #A9B9DE;
  --text-faint:   #64749C;
  --success:      #22C58B;

  --font-display: 'Sora', 'Arial', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --max: 1140px;
  --gutter: clamp(20px, 5vw, 56px);
  --radius: 8px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 800; }
h2{ font-size: clamp(1.5rem, 2.6vw, 2.15rem); font-weight: 700; }
h3{ font-size: 1.15rem; font-weight: 700; }
p{ margin: 0 0 1em; color: var(--text-soft); }
a{ color: var(--accent); }
img{ max-width: 100%; display:block; }

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: .6em;
  margin-bottom: 1em;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--accent);
  display:inline-block;
}

/* ================= NAV ================= */
.site-nav{
  position: sticky; top:0; z-index: 50;
  background: rgba(6,11,24,.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-nav.is-scrolled{
  box-shadow: 0 8px 26px rgba(0,0,0,.35);
  border-bottom-color: var(--border-strong);
}
.nav-inner{
  max-width: var(--max); margin:0 auto; padding: 14px var(--gutter);
  display:flex; align-items:center; justify-content:space-between;
}
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; }
.brand img{ height: 36px; width:auto; }
.brand .brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand .brand-name{ font-family: var(--font-display); font-weight:700; font-size:1.05rem; color: var(--text); }
.brand .brand-tag{ font-family: var(--font-mono); font-size:.62rem; letter-spacing:.1em; text-transform:uppercase; color: var(--text-faint); }

.nav-links{
  list-style:none; display:flex; gap: 30px; margin:0; padding:0;
  font-family: var(--font-mono); font-size: .8rem; letter-spacing:.04em;
}
.nav-links a{
  color: var(--text-soft); text-decoration:none; text-transform:uppercase;
  padding: 6px 2px; border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{
  color: var(--accent); border-color: var(--accent);
}
.nav-toggle{
  display:none; background:none; border:1px solid var(--border-strong); border-radius: var(--radius);
  width: 40px; height: 36px; cursor:pointer; color: var(--text);
}
@media (max-width: 780px){
  .nav-toggle{ display:block; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background: var(--bg-alt); border-bottom: 1px solid var(--border);
    flex-direction:column; gap:0; max-height:0; overflow:hidden;
    transition: max-height .3s ease;
  }
  .nav-links.is-open{ max-height: 320px; }
  .nav-links li{ border-top: 1px solid var(--border); }
  .nav-links a{ display:block; padding: 14px var(--gutter); }
}

/* ================= BUTTONS ================= */
.btn{
  font-family: var(--font-mono); font-size: .82rem; letter-spacing:.03em;
  text-transform: uppercase; text-decoration:none; cursor:pointer;
  display:inline-flex; align-items:center; gap:.6em;
  padding: 13px 22px; border-radius: var(--radius); border:1px solid transparent;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--accent); color: #04101F; }
.btn-primary:hover{ background: #2FE4FF; box-shadow: 0 0 0 3px rgba(3,216,253,.18); }
.btn-ghost{ border-color: var(--border-strong); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }
.btn-block{ width:100%; justify-content:center; }

/* ================= HERO ================= */
.hero{ padding: 72px 0 40px; position:relative; overflow:hidden; }
.hero::before{
  content:""; position:absolute; top:-160px; right:-160px; width:520px; height:520px;
  background: radial-gradient(circle, rgba(3,216,253,.18) 0%, rgba(3,216,253,0) 70%);
  pointer-events:none;
}
.hero-grid{
  display:grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items:center;
  position:relative;
}
@media (max-width: 900px){ .hero-grid{ grid-template-columns: 1fr; } }
.hero h1{ margin-bottom:.45em; }
.hero .lede{ font-size: 1.06rem; max-width: 48ch; }
.hero-ctas{ display:flex; gap:14px; margin-top: 28px; flex-wrap:wrap; }
.hero-meta{
  margin-top: 34px; display:flex; gap: 26px; flex-wrap:wrap;
  font-family: var(--font-mono); font-size:.72rem; color: var(--text-faint); text-transform:uppercase; letter-spacing:.06em;
}
.hero-meta strong{ color: var(--text-soft); display:block; font-size:.94rem; font-family: var(--font-body); letter-spacing:0; text-transform:none; margin-bottom:2px; }

/* schematic diagram */
.schema{ padding: 10px; }
.schema svg{ width:100%; height:auto; overflow: visible; }
.schema-line{
  fill:none; stroke: var(--primary-soft); stroke-width:1.6;
  stroke-dasharray: 900; stroke-dashoffset: 900;
  animation: draw 1.1s ease forwards;
}
@keyframes draw{ to{ stroke-dashoffset:0; } }
.schema-node{ font-family: var(--font-mono); }
.schema-node rect{ fill: var(--panel); stroke: var(--primary-soft); stroke-width:1.2; }
.schema-node.is-core rect{ fill: var(--accent); stroke: var(--accent); }
.schema-node.is-core text{ fill: #04101F; font-weight:600; }
.schema-node.is-group rect{ stroke-width:1.4; stroke: var(--accent); }
.schema-node text{ fill: var(--text); font-size: 12.5px; }
.schema-node.leaf rect{ transition: stroke .2s ease, fill .2s ease; }
.schema-node.leaf:hover rect{ stroke: var(--accent); fill: var(--panel-2); }
.schema-dot{ fill: var(--accent); }

/* ================= SECTIONS ================= */
section{ padding: 64px 0; }
.section-head{ max-width: 62ch; margin-bottom: 40px; }
.section-alt{ background: var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }

.reveal{ opacity:0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* ---------- process ---------- */
.process{ counter-reset: step; display:grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
@media (max-width: 900px){ .process{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .process{ grid-template-columns: 1fr; } }
.step{
  border: 1px solid var(--border); border-top: 2px solid var(--accent);
  background: var(--panel); padding: 20px 18px; position:relative; border-radius: var(--radius);
}
.step::before{
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size:.72rem; color: var(--accent);
  letter-spacing:.08em; display:block; margin-bottom:10px;
}
.step h3{ margin-bottom:.35em; font-size:1.02rem; }
.step p{ font-size:.92rem; margin:0; }

/* ---------- cards ---------- */
.cards{ display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
@media (max-width: 900px){ .cards{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px){ .cards{ grid-template-columns: 1fr; } }
.card{
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px; display:flex; flex-direction:column; gap:12px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover{ border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.35); }
.card .tag{
  font-family: var(--font-mono); font-size:.66rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--accent); border:1px solid var(--accent); border-radius: 20px;
  padding: 3px 10px; align-self:flex-start;
}
.card h3{ margin: 4px 0 0; }
.card p{ font-size:.94rem; margin:0; }
.card ul{ margin: 4px 0 0; padding-left: 1.1em; font-size:.9rem; color: var(--text-soft); }
.card ul li{ margin-bottom:4px; }
.card .card-link{ margin-top:auto; font-family: var(--font-mono); font-size:.78rem; text-transform:uppercase; text-decoration:none; color: var(--accent); }

/* ---------- avantages (icon list) ---------- */
.advantages{ display:grid; grid-template-columns: repeat(2,1fr); gap: 18px 30px; }
@media (max-width: 700px){ .advantages{ grid-template-columns: 1fr; } }
.advantage{ display:flex; gap:14px; align-items:flex-start; }
.advantage .ico{
  flex-shrink:0; width:38px; height:38px; border-radius:50%;
  background: rgba(3,216,253,.12); border:1px solid var(--accent);
  display:flex; align-items:center; justify-content:center; color: var(--accent);
}
.advantage .ico svg{ width:18px; height:18px; }
.advantage h3{ font-size:1rem; margin-bottom:.25em; }
.advantage p{ font-size:.92rem; margin:0; }

/* ---------- pricing ---------- */
.pricing-group{ margin-bottom: 54px; }
.pricing-group:last-child{ margin-bottom:0; }
.pricing-group-head{ display:flex; align-items:baseline; justify-content:space-between; gap: 18px; flex-wrap:wrap; margin-bottom: 22px; border-bottom: 1px solid var(--border); padding-bottom: 14px; }
.pricing-group-head h2{ margin:0; }
.pricing-group-head .note{ font-family: var(--font-mono); font-size:.78rem; color: var(--text-faint); margin:0; }

.plans{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; align-items:stretch; }
@media (max-width: 900px){ .plans{ grid-template-columns: 1fr; max-width:440px; } }
.plan{
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; display:flex; flex-direction:column;
  position:relative;
}
.plan.is-featured{ border: 1px solid var(--accent); box-shadow: 0 10px 32px rgba(3,216,253,.12); }
.plan.is-featured .plan-flag{
  position:absolute; top:-1px; right:14px; background: var(--accent); color:#04101F;
  font-family: var(--font-mono); font-size:.64rem; letter-spacing:.08em; text-transform:uppercase;
  padding: 5px 10px; border-radius: 0 0 6px 6px;
}
.plan-name{ font-family: var(--font-mono); font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color: var(--text-faint); margin-bottom: 10px; }
.plan-price{ font-family: var(--font-display); font-weight:700; font-size: 2rem; color: var(--text); margin-bottom:2px; }
.plan-price small{ font-family: var(--font-mono); font-weight:400; font-size:.8rem; color: var(--text-faint); text-transform:none; }
.plan-desc{ font-size:.88rem; margin-bottom: 18px; }
.plan-features{ list-style:none; margin:0 0 24px; padding:0; font-size:.9rem; color: var(--text-soft); display:flex; flex-direction:column; gap:9px; flex-grow:1; }
.plan-features li{ padding-left: 1.4em; position:relative; }
.plan-features li::before{ content:"—"; position:absolute; left:0; color: var(--accent); }

/* ---------- CTA band ---------- */
.cta-band{
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
}
.cta-band h2{ color:#fff; }
.cta-band p{ color: rgba(255,255,255,.82); }
.cta-inner{ display:flex; align-items:center; justify-content:space-between; gap: 30px; flex-wrap:wrap; }
.cta-inner .copy{ max-width: 46ch; }
.cta-band .btn-primary{ background:#fff; color: var(--primary-deep); }
.cta-band .btn-primary:hover{ background: var(--accent); color:#04101F; box-shadow:none; }

/* ---------- contact / footer ---------- */
.contact{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; }
@media (max-width: 860px){ .contact{ grid-template-columns:1fr; gap: 40px; } }
.contact-channels{ display:flex; flex-direction:column; gap:16px; margin-top: 22px; }
.channel{ display:flex; gap:14px; align-items:flex-start; border-bottom: 1px dashed var(--border); padding-bottom:16px; }
.channel .ico{
  flex-shrink:0; width:36px; height:36px; border-radius:8px;
  background: rgba(3,216,253,.1); border:1px solid var(--border-strong);
  display:flex; align-items:center; justify-content:center; color: var(--accent);
}
.channel .ico svg{ width:17px; height:17px; }
.channel .k{ font-family: var(--font-mono); font-size:.66rem; letter-spacing:.1em; text-transform:uppercase; color: var(--text-faint); margin-bottom:3px; display:block; }
.channel .v{ display:flex; flex-direction:column; }
.channel .v a{ color: var(--text); text-decoration:none; font-weight:600; font-size:.98rem; }
.channel .v a:hover{ color: var(--accent); }

.form-field{ margin-bottom: 18px; }
.form-field label{ display:block; font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color: var(--text-soft); margin-bottom:6px; }
.form-field input, .form-field select, .form-field textarea{
  width:100%; font-family: var(--font-body); font-size:.96rem; color: var(--text);
  background: var(--panel); border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 11px 12px; transition: border-color .15s ease, box-shadow .15s ease;
}
.form-field input::placeholder, .form-field textarea::placeholder{ color: var(--text-faint); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(3,216,253,.16);
}
.form-field textarea{ min-height: 110px; resize: vertical; }
.form-note{ font-size: .82rem; color: var(--text-faint); margin-top: 12px; min-height: 1.2em; }
.form-note.is-success{ color: var(--success); }

footer.site-footer{ background: var(--bg-alt); border-top: 1px solid var(--border); padding-top: 56px; }
.footer-top{ display:grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
@media (max-width: 720px){ .footer-top{ grid-template-columns: 1fr; } }
.footer-top h4{ font-family: var(--font-mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color: var(--text-faint); margin-bottom:14px; }
.footer-top ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px; }
.footer-top a{ color: var(--text-soft); text-decoration:none; font-size:.92rem; }
.footer-top a:hover{ color: var(--accent); }
.footer-brand .brand{ margin-bottom: 4px; }
.footer-brand p{ color: var(--text-faint); font-size:.9rem; max-width: 34ch; margin-top:12px; }

.footer-bottom{ padding: 20px 0 26px; display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; font-size:.78rem; color: var(--text-faint); font-family: var(--font-mono); }

.mt-0{ margin-top:0; }
.center{ text-align:center; }
.small{ font-size:.85rem; }