/* =========================================================
   CloudFixTech — feuille de style
   Palette inspirée d'une salle serveur : bleu ardoise profond,
   acier, et l'ambre des voyants d'état comme seul accent.
   ========================================================= */

:root {
  --ink:    #10202D;  /* fond sombre, texte principal */
  --slate:  #1B3142;  /* panneaux sombres */
  --steel:  #5A7184;  /* texte secondaire */
  --mist:   #DCE4EA;  /* bordures claires */
  --paper:  #F4F7F9;  /* fond clair */
  --amber:  #E9A23B;  /* accent : voyants, boutons */
  --ok:     #47B88F;  /* voyant "OK" uniquement */

  --font-display: "Archivo", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;

  --wrap: 1160px;
  --radius-s: 4px;
  --radius-m: 10px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-stretch: 112%;
  line-height: 1.1;
  margin: 0 0 1rem;
}
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; }

p { margin: 0 0 1rem; max-width: 62ch; }

a { color: inherit; }

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

.wrap { width: min(var(--wrap), 100% - 2rem); margin-inline: auto; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-block;
  font: 600 1rem var(--font-body);
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-s);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--amber); color: var(--ink); }
.btn-primary:hover { background: #F4B85E; }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }

/* ---------- En-tête ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  color: #fff;
  transition: background-color .3s, box-shadow .3s;
}
.site-header.scrolled {
  background: rgba(16, 32, 45, .94);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(255,255,255,.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px;
}
.logo {
  display: flex; align-items: center; gap: .6rem;
  font: 800 1.25rem var(--font-display);
  font-stretch: 118%;
  text-decoration: none;
}
.logo-leds { display: flex; flex-direction: column; gap: 3px; }
.logo-leds i {
  display: block; width: 18px; height: 4px; border-radius: 2px;
  background: var(--steel);
}
.logo-leds i:first-child { background: var(--ok); }
.logo-leds i:last-child  { background: var(--amber); }

.nav { display: flex; gap: 1.6rem; align-items: center; }
.nav a { text-decoration: none; font-weight: 500; opacity: .9; }
.nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.nav .nav-cta {
  border: 1.5px solid var(--amber); color: var(--amber);
  padding: .45rem .9rem; border-radius: var(--radius-s); opacity: 1;
}
.nav .nav-cta:hover { background: var(--amber); color: var(--ink); text-decoration: none; }

.menu-toggle {
  display: none;
  background: none; color: #fff;
  border: 1.5px solid rgba(255,255,255,.5); border-radius: var(--radius-s);
  font: 600 .95rem var(--font-body); padding: .4rem .8rem; cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  color: #fff;
  background: var(--ink);
  overflow: hidden;
  padding: 120px 0 72px;
}
.hero-bg {
  position: absolute; inset: 0;
  /* Calques : dégradé > photo locale > photo distante > couleur.
     Si une photo ne charge pas, le calque suivant prend le relais. */
  background:
    linear-gradient(100deg, rgba(16,32,45,.96) 0%, rgba(16,32,45,.82) 45%, rgba(16,32,45,.45) 100%),
    url("img/hero-datacenter.jpg") center / cover no-repeat,
    url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=2000&q=70") center / cover no-repeat,
    var(--ink);
  transform: scale(1.06);
  animation: drift 24s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: scale(1.0) translateX(-1.5%); } }

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 4.3rem);
  font-weight: 800;
  font-stretch: 105%;
  letter-spacing: -0.01em;
  max-width: 15ch;
}
.lead { font-size: 1.2rem; color: #C9D6E0; max-width: 48ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }

/* Panneau de supervision */
.monitor {
  background: rgba(27, 49, 66, .82);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-m);
  padding: 1.1rem 1.2rem .8rem;
  font-size: .92rem;
}
.monitor-head {
  display: flex; justify-content: space-between;
  font-weight: 600; color: #fff;
  padding-bottom: .7rem; margin-bottom: .5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.monitor-clock { font-variant-numeric: tabular-nums; color: var(--amber); }

.rack { list-style: none; margin: 0 0 .8rem; padding: 0; }
.rack li {
  display: flex; align-items: center; gap: .7rem;
  padding: .45rem .2rem;
  border-bottom: 1px dashed rgba(255,255,255,.08);
  color: #D9E3EA;
}
.metric { margin-left: auto; font-variant-numeric: tabular-nums; color: #9FB3C2; }

.led {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--steel);
  flex: none;
}
.led.ok   { background: var(--ok);    box-shadow: 0 0 8px var(--ok); }
.led.warn { background: var(--amber); box-shadow: 0 0 8px var(--amber); animation: blink 1.4s steps(2) infinite; }
@keyframes blink { 50% { opacity: .35; } }

.log {
  list-style: none; margin: 0; padding: 0;
  height: 5.8em; overflow: hidden;
  color: #9FB3C2; font-size: .85rem;
}
.log li { padding: .1rem 0; animation: logIn .4s ease-out; }
.log time { color: var(--amber); margin-right: .5rem; font-variant-numeric: tabular-nums; }
@keyframes logIn { from { opacity: 0; transform: translateY(6px); } }

.monitor-note { margin: .6rem 0 0; font-size: .75rem; color: var(--steel); }

/* ---------- Services ---------- */
.services { padding: 7rem 0; }
.services-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: stretch;
}
.services-photo {
  min-height: 460px;
  border-radius: var(--radius-m);
  background-color: var(--slate);
  background-size: cover;
  background-position: center;
  transition: opacity .35s ease;
}
.services-photo.fading { opacity: .25; }

.section-intro { color: var(--steel); margin-bottom: 2rem; }

.service-items { list-style: none; margin: 0; padding: 0; }
.service {
  display: block; width: 100%;
  text-align: left;
  background: none;
  border: 0; border-top: 1px solid var(--mist);
  padding: 1.2rem 0 1.2rem 1.2rem;
  font: inherit; color: inherit;
  cursor: pointer;
  position: relative;
}
.service-items li:last-child .service { border-bottom: 1px solid var(--mist); }
.service::before {
  content: "";
  position: absolute; left: 0; top: 1.55rem;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--mist);
  transition: background-color .2s, box-shadow .2s;
}
.service[aria-pressed="true"]::before { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.service-title {
  display: block;
  font: 700 1.3rem var(--font-display);
  font-stretch: 110%;
}
.service-desc { display: block; color: var(--steel); margin-top: .25rem; }
.service:hover .service-title,
.service[aria-pressed="true"] .service-title { color: #0C5C86; }

/* ---------- Processus ---------- */
.process { padding: 6rem 0; background: #fff; border-block: 1px solid var(--mist); }
.steps {
  list-style: none; margin: 2.5rem 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem;
  counter-reset: none;
}
.steps li { position: relative; padding-top: 1.6rem; border-top: 3px solid var(--ink); }
.step-num {
  display: block;
  font: 800 3rem/1 var(--font-display);
  font-stretch: 125%;
  color: var(--amber);
  margin-bottom: .8rem;
}
.steps p { color: var(--steel); }

/* ---------- Pourquoi nous ---------- */
.why {
  position: relative;
  padding: 7rem 0;
  color: #fff;
  background: var(--ink);
  overflow: hidden;
}
.why-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(rgba(16,32,45,.9), rgba(16,32,45,.93)),
    url("img/racks.jpg") center / cover no-repeat,
    url("https://images.unsplash.com/photo-1544197150-b99a580bb7a8?auto=format&fit=crop&w=2000&q=70") center / cover no-repeat;
  background-attachment: fixed;
}
.why-inner { position: relative; }
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem; margin: 2.5rem 0 0;
}
.why-grid div { border-left: 2px solid var(--amber); padding-left: 1rem; }
.why-grid dt { font: 700 1.2rem var(--font-display); font-stretch: 110%; margin-bottom: .4rem; }
.why-grid dd { margin: 0; color: #B9C8D4; }

/* ---------- Contact ---------- */
.contact { padding: 7rem 0; }
.contact-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 4rem; }
.contact-text p { color: var(--steel); }

.contact-form {
  display: grid; gap: 1.1rem;
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: var(--radius-m);
  padding: 2rem;
}
.contact-form label { display: grid; gap: .35rem; font-weight: 600; font-size: .95rem; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  font: 400 1rem var(--font-body);
  color: var(--ink);
  padding: .75rem .85rem;
  border: 1.5px solid var(--mist);
  border-radius: var(--radius-s);
  background: var(--paper);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--ink); outline: none; background: #fff; }
.contact-form .btn { justify-self: start; }
.honey { position: absolute; left: -9999px; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--ink); color: #9FB3C2; padding: 1.6rem 0; font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer a { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner, .services-inner, .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .services-photo { min-height: 220px; }
  .steps { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .why-bg { background-attachment: scroll; }

  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--ink);
    padding: .5rem 1rem 1.2rem;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: .7rem 0; width: 100%; }
  .nav .nav-cta { margin-top: .5rem; width: auto; padding: .55rem 1rem; }
}
@media (max-width: 560px) {
  .why-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 1.3rem; }
  .services, .contact, .why { padding: 4.5rem 0; }
}

/* Respecte la préférence "réduire les animations" */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}