/* =========================================================
   Valtoway — feuille de style commune
   Palette dérivée du logo (bleu cloud + pixels + argent)
   ========================================================= */

:root {
  --blue:        #0661A9;   /* bleu marque */
  --blue-bright: #2E9BE8;   /* bleu accent (pixels) */
  --blue-deep:   #044A83;
  --navy:        #0A2A47;   /* fond sombre */
  --navy-soft:   #0E3555;
  --silver:      #C9CFD6;
  --silver-light:#E7ECF1;
  --ink:         #1C2733;   /* texte principal */
  --muted:       #5A6875;   /* texte secondaire */
  --bg:          #FFFFFF;
  --bg-soft:     #F4F7FA;
  --line:        #E1E7EE;

  --radius:      14px;
  --radius-sm:   9px;
  --shadow:      0 18px 40px -22px rgba(10, 42, 71, .35);
  --shadow-soft: 0 10px 30px -20px rgba(10, 42, 71, .30);

  --container: 1140px;
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  font-weight: 600;
}

p { margin: 0 0 1em; color: var(--muted); }
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* ---------- Eyebrow (label mono, écho "data/pixel") ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--blue-bright);
  border-radius: 2px;
  flex: 0 0 auto;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15.5px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  background: var(--blue);
  color: #fff;
  border: 1px solid var(--blue);
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--blue-deep); transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--silver);
}
.btn-ghost:hover { background: var(--bg-soft); border-color: var(--blue); color: var(--blue); }
.btn-light { background: #fff; color: var(--blue); border-color: #fff; }
.btn-light:hover { background: var(--silver-light); color: var(--blue-deep); }
.btn-sm { padding: 10px 18px; font-size: 14.5px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 82px;
}
.brand img { height: 60px; width: auto; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.site-nav a {
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  position: relative;
}
.site-nav a:not(.btn):not(.nav-support):hover { color: var(--blue); }
.site-nav a.is-active:not(.btn) { color: var(--blue); }
.site-nav a.is-active:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -29px;
  height: 2px;
  background: var(--blue);
}
.nav-support {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.nav-support::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: #2ec77a;
  box-shadow: 0 0 0 3px rgba(46,199,122,.18);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy); transition: .25s; }

/* ---------- Sections ---------- */
section { padding: 92px 0; }
.section-tight { padding: 64px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
h2.big { font-size: clamp(30px, 4vw, 44px); }
.lead { font-size: 19px; color: var(--muted); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 500px at 82% -10%, rgba(46,155,232,.16), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%);
  padding: 96px 0 104px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(36px, 5.4vw, 62px);
  margin-bottom: 22px;
}
.hero h1 .accent { color: var(--blue); }
.hero p.lead { max-width: 520px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust {
  display: flex;
  gap: 26px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-trust div { display: flex; flex-direction: column; }
.hero-trust b { font-family: var(--font-display); font-size: 26px; color: var(--navy); }
.hero-trust span { font-size: 13.5px; color: var(--muted); }

/* Visuel hero : composition animée de pixels (signature logo) */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin-left: auto;
}
.hero-art { width: 100%; height: auto; display: block; overflow: visible; }

.hero-art .ring {
  fill: none;
  stroke: rgba(46,155,232,.30);
  stroke-width: 1.4;
  stroke-dasharray: 2 11;
  transform-box: view-box;
  transform-origin: 230px 230px;
}
.hero-art .ring-a { animation: heroSpin 48s linear infinite; }
.hero-art .ring-b { animation: heroSpin 68s linear infinite reverse; }

.hero-art .halo { transform-box: view-box; transform-origin: 230px 230px; animation: heroGlow 6.5s ease-in-out infinite; }
.hero-art .core { transform-box: view-box; transform-origin: 230px 230px; filter: drop-shadow(0 18px 32px rgba(4,74,131,.30)); animation: heroPulse 6.5s ease-in-out infinite; }
.hero-art .line { stroke: rgba(46,155,232,.35); stroke-width: 1.2; stroke-dasharray: 2 6; }

.hero-art .f { transform-box: view-box; animation: heroFloat 7s ease-in-out infinite; }
.hero-art .f2 { transform-box: view-box; animation: heroFloat 9s ease-in-out infinite; }
.hero-art .tw { animation: heroTwinkle 5s ease-in-out infinite; }

@keyframes heroSpin   { to { transform: rotate(360deg); } }
@keyframes heroPulse  { 0%,100% { transform: scale(1); } 50% { transform: scale(1.035); } }
@keyframes heroGlow   { 0%,100% { opacity: .38; } 50% { opacity: .62; } }
@keyframes heroFloat  { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes heroTwinkle{ 0%,100% { opacity: .35; } 50% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .hero-art * { animation: none !important; }
}
@media (max-width: 900px) {
  .hero-visual { max-width: 380px; }
}

/* ---------- Grille d'offres (cards) ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card .ico {
  width: 46px; height: 46px;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--blue) 0%, var(--blue-bright) 100%);
  display: grid; place-items: center;
  margin-bottom: 20px;
  color: #fff;
}
.card .ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 20px; }
.card p { font-size: 15.5px; margin-bottom: 18px; }
.card .more {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--blue);
  display: inline-flex; align-items: center; gap: 7px;
}
.card .more::after { content: "→"; transition: transform .2s ease; }
.card:hover .more::after { transform: translateX(4px); }

/* ---------- Bloc "pourquoi" (features) ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 34px 30px;
}
.feature .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue-bright);
  letter-spacing: .1em;
}
.feature h3 { font-size: 18.5px; margin-top: 10px; }
.feature p { font-size: 15.5px; margin: 0; }
.feature { border-top: 2px solid var(--line); padding-top: 18px; }

/* ---------- Détail offre (page produit) ---------- */
.offer-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}
.offer-row:last-child { border-bottom: 0; }
.offer-row.rev .offer-text { order: 2; }
.offer-text h3 { font-size: 26px; }
.offer-text ul { list-style: none; padding: 0; margin: 18px 0 0; }
.offer-text li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 16px;
}
.offer-text li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 10px; height: 10px;
  background: var(--blue-bright);
  border-radius: 2px;
  box-shadow: 6px 6px 0 -3px var(--silver);
}
.offer-visual {
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--bg-soft), #fff);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  color: var(--blue);
  position: relative;
  overflow: hidden;
}
.offer-visual svg { width: 88px; height: 88px; opacity: .92; }
.offer-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .5;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
}

/* ---------- Page hero (intérieures) ---------- */
.page-hero {
  background:
    radial-gradient(900px 380px at 85% -20%, rgba(46,155,232,.14), transparent 62%),
    var(--bg-soft);
  padding: 74px 0 68px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(32px, 4.6vw, 50px); max-width: 720px; }
.page-hero p { max-width: 640px; font-size: 18.5px; }

/* ---------- Bandeau CTA sombre ---------- */
.cta-band {
  background:
    radial-gradient(700px 300px at 90% 0%, rgba(46,155,232,.28), transparent 60%),
    linear-gradient(155deg, var(--navy) 0%, var(--blue-deep) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 56px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; top: 20px; right: 34px;
  width: 22px; height: 22px; background: var(--blue-bright); border-radius: 3px;
  box-shadow: 30px 12px 0 -4px rgba(255,255,255,.5), 54px -6px 0 -8px rgba(255,255,255,.3);
}
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,.78); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.info-block { margin-bottom: 26px; }
.info-block .k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 4px;
}
.info-block .v { font-size: 17px; color: var(--ink); }
.info-block .v a { color: var(--ink); }
.info-block .v a:hover { color: var(--blue); }

form.contact-form { display: grid; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--navy); }
.field input, .field textarea {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(6,97,169,.14);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13.5px; color: var(--muted); }
.hp { position: absolute !important; left: -5000px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.form-status { min-height: 1.2em; margin: 2px 0 0; font-size: 14.5px; font-weight: 500; }
.form-status.ok  { color: #1f9d55; }
.form-status.err { color: #c0392b; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.72);
  padding: 60px 0 26px;
  font-size: 15px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.site-footer h4 {
  color: #fff;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
}
.site-footer a { color: rgba(255,255,255,.72); display: block; margin-bottom: 9px; }
.site-footer a:hover { color: #fff; }
.footer-brand img {
  height: 46px;
  width: auto;
  margin-bottom: 18px;
}
.footer-brand p { color: rgba(255,255,255,.6); font-size: 14.5px; max-width: 280px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  font-size: 13.5px;
  color: rgba(255,255,255,.5);
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom a { display: inline; color: rgba(255,255,255,.6); }

/* ---------- Virtualisation (VMware / Proxmox) ---------- */
.virt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.virt-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.virt-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.virt-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.virt-head h3 { margin: 0; font-size: 22px; }
.virt-logo {
  width: 48px; height: 48px;
  flex: 0 0 auto;
  border-radius: 12px;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(150deg, var(--blue) 0%, var(--blue-bright) 100%);
}
.virt-logo svg { width: 25px; height: 25px; }
.virt-card > p { font-size: 15.5px; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chips span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--blue-deep);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 20px;
}
.virt-note {
  margin-top: 26px;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue-bright);
  border-radius: 10px;
}
.virt-note p { margin: 0; font-size: 15.5px; color: var(--muted); }
.virt-note strong { color: var(--navy); }
.virt-card.solo {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 32px;
  align-items: center;
}
.virt-card.solo .chips { margin-top: 0; }
@media (max-width: 760px) {
  .virt-grid { grid-template-columns: 1fr; }
  .virt-card.solo { grid-template-columns: 1fr; gap: 20px; }
  .virt-card.solo .chips { margin-top: 4px; }
}

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

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 360px; margin: 8px auto 0; }
  .offer-row, .offer-row.rev .offer-text { grid-template-columns: 1fr; order: 0; }
  .offer-row { gap: 26px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset: 82px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 20px;
    transform: translateY(-140%);
    transition: transform .3s ease;
    box-shadow: var(--shadow-soft);
  }
  .site-nav.open { transform: none; }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .site-nav a.is-active::after { display: none; }
  .site-nav .btn { margin-top: 12px; justify-content: center; }
  section { padding: 64px 0; }
  .cta-band { padding: 40px 28px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
}