/* TechDesk — accueil public · verre givré */

.home-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.home-shell > section, .home-shell > aside { position: relative; }
.eyebrow { margin: 0 0 14px; }
.brand-line { width: 18px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); }
.section-heading { margin-bottom: 36px; }
.section-heading--center { text-align: center; }
.section-heading h2, .downloads-heading h2, .help-intro h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); letter-spacing: -0.035em; }
.section-description { margin: 10px 0 0; color: var(--text-muted); }

/* ───────────── Introduction ───────────── */
.support-intro {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr); align-items: center; gap: 48px;
  padding: 88px 0 72px;
}
.support-intro .eyebrow {
  padding: 6px 14px 6px 12px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow-sm);
  letter-spacing: 0.06em; text-transform: none; font-size: 0.8rem; font-weight: 600;
}
.support-intro h1 {
  margin: 10px 0 22px; font-size: clamp(2.6rem, 5.4vw, 4.25rem); font-weight: 700; line-height: 1.02; letter-spacing: -0.045em;
}
.support-intro h1 span {
  white-space: nowrap;
  background: linear-gradient(100deg, var(--primary) 10%, var(--primary-2) 50%, #38bdf8 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-bottom: 0.06em;
}
.intro-description { max-width: 34rem; font-size: 1.12rem; line-height: 1.65; color: var(--text-muted); margin-bottom: 30px; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.intro-actions .btn { --btn-h: 52px; padding: 0 24px; font-size: 0.97rem; }
.intro-link .ui-icon { transition: transform 0.2s var(--ease); }
.intro-link:hover .ui-icon { transform: translateX(3px); }
.intro-reassurance { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 32px 0 0; padding: 0; list-style: none; font-size: 0.87rem; color: var(--text-muted); }
.intro-reassurance li { display: inline-flex; align-items: center; gap: 8px; }
.intro-reassurance .ui-icon { width: 17px; height: 17px; flex-basis: 17px; color: var(--link); }
.admin-download-total { margin-top: 18px; font-size: 0.82rem; color: var(--text-subtle); }

/* Composition en verre */
.hero-visual { position: relative; overflow-x: clip; overflow-y: visible; min-height: 440px; display: grid; place-items: center; isolation: isolate; }
.hero-orb { position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); }
.hero-orb--a { width: 300px; height: 300px; right: 6%; top: 4%; background: radial-gradient(circle at 30% 30%, #60a5fa, #1d5ee8 60%, #1747b8); opacity: 0.9; }
.hero-orb--b { width: 170px; height: 170px; left: 4%; bottom: 8%; background: radial-gradient(circle at 30% 30%, #7dd3fc, #0ea5e9 70%); opacity: 0.75; }
.hero-orb--c { width: 90px; height: 90px; right: 2%; bottom: 14%; background: radial-gradient(circle at 30% 30%, #c7d2fe, #6366f1); opacity: 0.55; }
[data-theme="dark"] .hero-orb--a { opacity: 0.65; }
[data-theme="dark"] .hero-orb--b { opacity: 0.45; }
[data-theme="dark"] .hero-orb--c { opacity: 0.35; }

.session-card {
  width: min(440px, 100%); padding: 18px; border-radius: 24px;
  background: rgb(255 255 255 / 0.42);
  -webkit-backdrop-filter: blur(24px) saturate(180%); backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgb(255 255 255 / 0.7);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.8), 0 30px 60px -24px rgb(15 40 100 / 0.35);
  transform: rotate(-2deg);
}
[data-theme="dark"] .session-card { background: rgb(20 34 66 / 0.45); border-color: rgb(160 190 255 / 0.18); box-shadow: inset 0 1px 0 rgb(200 220 255 / 0.12), 0 30px 60px -24px rgb(0 0 0 / 0.7); }
.session-top { display: flex; align-items: center; gap: 12px; padding: 2px 4px 14px; font-size: 0.8rem; color: var(--text-muted); border-bottom: 1px solid var(--line); }
.session-dots { display: flex; gap: 5px; }
.session-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.session-title { font-weight: 600; color: var(--text); }
.session-secure { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 600; color: var(--success); background: var(--success-bg); }
.session-secure .ui-icon { width: 13px; height: 13px; flex-basis: 13px; }
.session-body { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: center; padding: 26px 4px 22px; }
.session-peer { display: grid; justify-items: center; gap: 4px; text-align: center; }
.session-peer strong { margin-top: 8px; font-size: 0.86rem; font-weight: 620; }
.session-peer small { font-size: 0.74rem; color: var(--text-subtle); }
.peer-icon {
  display: grid; place-items: center; width: 58px; height: 58px; border-radius: 18px; color: var(--link);
  background: var(--glass-strong); border: 1px solid var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow);
}
.peer-icon .ui-icon { width: 26px; height: 26px; flex-basis: 26px; }
.peer-icon--tech { color: #fff; background: linear-gradient(145deg, var(--primary-2), var(--primary)); border-color: transparent; box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.3), var(--shadow-primary); }
.session-link { position: relative; height: 2px; margin-top: -40px; }
.session-line { position: absolute; inset: 0; background: repeating-linear-gradient(90deg, var(--primary-ring) 0 6px, transparent 6px 11px); }
.session-pulse { position: absolute; top: 50%; left: 0; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: var(--primary-2); box-shadow: 0 0 0 5px var(--primary-soft-2); animation: travel 2.8s var(--ease) infinite; }
@keyframes travel { 0% { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: calc(100% - 10px); opacity: 0; } }
.session-request {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 14px 14px 16px; border-radius: 16px;
  background: var(--glass-strong); border: 1px solid var(--glass-edge); box-shadow: var(--shadow-sm);
}
.session-request strong { display: block; font-size: 0.86rem; }
.session-request span { display: block; font-size: 0.76rem; color: var(--text-subtle); }
.session-request .session-accept {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 10px; flex: none;
  font-size: 0.8rem; font-weight: 600; color: #fff; background: linear-gradient(180deg, var(--primary-2), var(--primary)); box-shadow: var(--shadow-primary);
}
.session-accept .ui-icon { width: 15px; height: 15px; flex-basis: 15px; }
.trust-chip {
  position: absolute; left: 0; bottom: 26px; display: flex; align-items: center; gap: 12px;
  padding: 12px 18px 12px 12px; border-radius: 18px; color: #fff;
  background: rgb(10 26 58 / 0.78); border: 1px solid rgb(255 255 255 / 0.14);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.15), 0 20px 40px -18px rgb(5 15 40 / 0.6);
  transform: rotate(1.5deg);
}
.trust-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: #7dd3fc; background: rgb(255 255 255 / 0.1); }
.trust-chip strong { display: block; font-size: 0.86rem; }
.trust-chip span { display: block; font-size: 0.74rem; color: #b6c6e6; }

/* ───────────── Téléchargements ───────────── */
.download-section { padding: 48px 0 24px; }
.downloads-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 22px; }
.platform-choice { display: grid; gap: 6px; min-width: 230px; }
.platform-choice label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
.platform-choice select { background-color: var(--glass-strong); }
.detection-notice {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px; padding: 10px 16px 10px 10px; border-radius: 14px;
  background: var(--glass); border: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); box-shadow: inset 0 1px 0 var(--glass-highlight);
}
.detection-icon { display: grid; place-items: center; width: 34px; height: 34px; flex: none; border-radius: 10px; color: var(--link); background: var(--primary-soft); }
.detection-icon .ui-icon { width: 18px; height: 18px; flex-basis: 18px; }
.platform-message { margin: 0; font-size: 0.9rem; color: var(--text-muted); }

.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.download-group {
  position: relative; display: flex; flex-direction: column; padding: 26px; border-radius: 22px;
  background: var(--glass); border: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow);
  transition: transform 0.25s var(--ease), box-shadow 0.25s, border-color 0.25s;
}
.download-group:hover { transform: translateY(-3px); box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow-lg); }
.download-group--detected { border-color: var(--primary-ring); box-shadow: inset 0 1px 0 var(--glass-highlight), 0 0 0 1px var(--primary-ring), 0 24px 50px -24px rgb(29 94 232 / 0.45); }
.download-group--detected::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: radial-gradient(120% 80% at 0% 0%, var(--primary-soft-2), transparent 60%);
}
.device-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.device-icon {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; color: var(--link);
  background: var(--glass-strong); border: 1px solid var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow-sm);
}
.device-icon img { width: 24px; height: 24px; }
[data-theme="dark"] .device-icon img { filter: invert(1); }
.device-category { font-size: 0.7rem; font-weight: 650; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-subtle); }
.download-group h3 { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 1.35rem; letter-spacing: -0.025em; }
.device-badge { padding: 3px 10px; border-radius: 999px; font-size: 0.7rem; font-weight: 650; letter-spacing: 0; color: var(--link); background: var(--primary-soft-2); }
.device-description { margin: 8px 0 22px; min-height: 3.1em; font-size: 0.92rem; color: var(--text-muted); }
.download-buttons { display: grid; gap: 10px; }
.download-btn { justify-content: flex-start; width: 100%; --btn-h: 52px; padding: 0 12px 0 16px; border-radius: 14px; }
.download-arrow { flex: none; }
.download-label { flex: 1; text-align: left; }
.btn-version {
  padding: 3px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 600; font-variant-numeric: tabular-nums;
  color: var(--text-subtle); background: var(--surface-soft); border: 1px solid var(--line);
}
.download-btn.btn-recommended {
  color: #fff; border-color: rgb(255 255 255 / 0.12);
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.28), var(--shadow-primary);
}
.download-btn.btn-recommended:hover { color: #fff; background: linear-gradient(180deg, var(--primary), var(--primary-hover)); }
.download-btn.btn-recommended .btn-version { color: #fff; background: rgb(255 255 255 / 0.18); border-color: transparent; }
.download-btn:not(.btn-disabled):hover .download-arrow { animation: nudge 0.6s var(--ease); }
@keyframes nudge { 40% { transform: translateY(2px); } }
.release-note { margin: 12px 0 0; padding: 10px 12px; border-radius: 10px; font-size: 0.8rem; color: var(--text-muted); background: var(--surface-soft); }
.device-footnote { margin-top: auto !important; padding-top: 18px; font-size: 0.78rem; color: var(--text-subtle); }
.architecture-help { margin-top: auto; padding-top: 16px; font-size: 0.82rem; }
.architecture-help summary { cursor: pointer; color: var(--link); font-weight: 550; width: fit-content; }
.architecture-help p { margin: 10px 0 0; padding: 12px; border-radius: 10px; color: var(--text-muted); background: var(--surface-soft); }
.platform-warning { margin-top: 16px; padding: 12px 16px; border-radius: 12px; font-size: 0.88rem; color: var(--warning); background: var(--warning-bg); }

/* ───────────── Étapes ───────────── */
.how-section { padding: 96px 0 40px; }
.steps-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.steps-grid::before {
  content: ""; position: absolute; top: 45px; left: 16%; right: 16%; height: 1px; z-index: -1;
  background: linear-gradient(90deg, transparent, var(--primary-ring), var(--primary-ring), transparent);
}
.steps-grid li {
  display: grid; justify-items: center; align-content: start; text-align: center; gap: 8px; padding: 26px 26px 28px; border-radius: 22px;
  background: var(--glass-soft); border: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); box-shadow: inset 0 1px 0 var(--glass-highlight);
}
.step-number {
  display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 10px; border-radius: 16px;
  font-size: 1.1rem; font-weight: 700; color: #fff;
  background: linear-gradient(145deg, var(--primary-2), var(--primary)); box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.3), var(--shadow-primary);
}
.steps-grid h3 { font-size: 1.05rem; }
.steps-grid p { max-width: 30ch; font-size: 0.9rem; color: var(--text-muted); }

/* ───────────── Bandeau confiance ───────────── */
.control-note {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; align-items: center; gap: 20px; margin: 56px 0 0; padding: 28px 32px; border-radius: 24px; color: #fff;
  background: linear-gradient(120deg, #0d2357 0%, #133a8a 55%, #1d5ee8 100%);
  box-shadow: 0 30px 60px -30px rgb(13 35 87 / 0.7);
}
.control-note::before { content: ""; position: absolute; z-index: -1; right: -60px; top: -120px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(closest-side, rgb(125 211 252 / 0.45), transparent); }
.control-note::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(180deg, rgb(255 255 255 / 0.08), transparent 50%); }
.control-icon {
  display: grid; place-items: center; width: 52px; height: 52px; flex: none; border-radius: 16px; color: #7dd3fc;
  background: rgb(255 255 255 / 0.1); border: 1px solid rgb(255 255 255 / 0.18);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.control-note strong { display: block; font-size: 1.08rem; margin-bottom: 2px; }
.control-note p { margin: 0; color: #c5d4f2; font-size: 0.93rem; }
.control-signature { margin-left: auto; font-size: 0.72rem; font-weight: 650; letter-spacing: 0.16em; text-transform: uppercase; color: rgb(255 255 255 / 0.55); }

/* ───────────── Aide ───────────── */
.help-section { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 56px; padding: 96px 0 0; align-items: start; }
.help-intro p:last-child { margin-top: 14px; color: var(--text-muted); max-width: 32ch; }
.help-questions {
  display: grid; padding: 6px; border-radius: 22px;
  background: var(--glass); border: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow);
}
.help-questions details { border-radius: 16px; transition: background 0.2s; }
.help-questions details + details { border-top: 1px solid var(--line); }
.help-questions details[open] { background: var(--glass-strong); border-top-color: transparent; }
.help-questions details[open] + details { border-top-color: transparent; }
.help-questions summary {
  display: flex; align-items: center; gap: 12px; padding: 18px 20px; cursor: pointer; list-style: none;
  font-weight: 600; font-size: 0.97rem; border-radius: 16px;
}
.help-questions summary::-webkit-details-marker { display: none; }
.help-questions summary::after {
  content: ""; margin-left: auto; width: 9px; height: 9px; flex: none; border-right: 2px solid var(--text-subtle); border-bottom: 2px solid var(--text-subtle);
  transform: rotate(45deg) translateY(-2px); transition: transform 0.2s var(--ease);
}
.help-questions details[open] > summary::after { transform: rotate(-135deg); }
.help-questions summary:hover { color: var(--link); }
.help-questions details > p { margin: -4px 20px 0; padding-bottom: 18px; font-size: 0.92rem; color: var(--text-muted); }
.advanced-settings summary .ui-icon { width: 18px; height: 18px; flex-basis: 18px; color: var(--link); }
.server-info { padding: 0 20px 20px; }
.server-info .subtitle { margin: 0 0 16px; font-size: 0.88rem; }
.server-info-grid { display: grid; gap: 14px; }
.server-info-item { display: grid; gap: 6px; }
.server-value-wrapper { display: flex; gap: 8px; }
.server-value-wrapper input { font-family: var(--mono); font-size: 0.84rem !important; min-height: 42px !important; }
.server-value-wrapper .btn { flex: none; }

.advanced-settings--highlight { animation: config-glow 2.4s var(--ease) 1; }
@keyframes config-glow {
  0%, 100% { box-shadow: 0 0 0 0 transparent; }
  20%, 60% { box-shadow: 0 0 0 3px var(--primary-ring), 0 16px 40px -16px rgb(29 94 232 / 0.45); }
}

/* ───────────── Responsive ───────────── */
@media (max-width: 1080px) {
  .support-intro { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-top: 64px; text-align: left; }
  .hero-visual { min-height: 380px; }
  .download-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .help-section { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}
@media (max-width: 760px) {
  .support-intro { padding: 44px 0 32px; }
  .support-intro h1 span { white-space: normal; }
  .intro-description { font-size: 1.02rem; }
  .intro-actions .btn { flex: 1 1 100%; }
  .hero-visual { min-height: 0; padding: 20px 0 70px; }
  .session-card { transform: none; }
  .trust-chip { left: 8px; bottom: 6px; transform: none; }
  .hero-orb--a { width: 220px; height: 220px; right: -20px; }
  .download-grid, .steps-grid { grid-template-columns: minmax(0, 1fr); }
  .steps-grid::before { display: none; }
  .steps-grid li { grid-template-columns: auto 1fr; justify-items: start; text-align: left; column-gap: 16px; padding: 20px; }
  .step-number { grid-row: span 2; margin: 0; }
  .how-section, .help-section { padding-top: 64px; }
  .control-note { flex-wrap: wrap; padding: 24px; }
  .control-signature { display: none; }
  .downloads-heading { align-items: stretch; flex-direction: column; }
  .platform-choice { min-width: 0; }
  .download-group { padding: 22px; }
  .download-group:hover { transform: none; }
}
@media (max-width: 420px) {
  .session-body { grid-template-columns: 1fr 36px 1fr; }
  .session-request { flex-direction: column; align-items: stretch; text-align: left; }
  .session-request .session-accept { justify-content: center; }
  .server-value-wrapper { flex-direction: column; }
  .intro-reassurance { flex-direction: column; }
}