/* Qronos vitrine — ESN terrain (pétrole / ambre / Fraunces + Manrope) */
:root {
  --petrol: #0b3d3a;
  --petrol-mid: #0f5c56;
  --petrol-deep: #072826;
  --amber: #e8a838;
  --amber-ink: #1a1408;
  --sand: #f4f0e6;
  --sand-warm: #ebe4d4;
  --ink: #14201f;
  --ink-soft: #2c3d3b;
  --muted: #5a6b69;
  --line: #c9d6d4;
  --line-strong: #9eb3b0;
  --surface: #fffdf8;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 1px 2px rgba(11, 61, 58, 0.06), 0 12px 32px rgba(11, 61, 58, 0.08);
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font: "Manrope", "Segoe UI", sans-serif;
  color-scheme: light;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(232, 168, 56, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(15, 92, 86, 0.1), transparent 50%),
    linear-gradient(180deg, var(--sand) 0%, var(--sand-warm) 45%, var(--sand) 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem clamp(1.25rem, 4vw, 3rem);
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  animation: nav-in 0.55s ease both;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--petrol);
  text-decoration: none;
}

.brand-mark {
  width: 1.65rem;
  height: 1.65rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem 0.85rem;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.4rem 0.5rem;
  border-radius: 8px;
}

.nav-links a:hover {
  color: var(--petrol);
  background: color-mix(in srgb, var(--petrol) 8%, transparent);
}

.nav-cta {
  padding: 0.45rem 0.95rem !important;
  border-radius: 8px !important;
  color: var(--amber-ink) !important;
  font-weight: 600 !important;
  background: var(--amber);
}

.nav-cta:hover {
  background: #f0b84a !important;
  color: var(--amber-ink) !important;
}

/* Hero plein cadre — plan clair edge-to-edge */
.hero {
  position: relative;
  min-height: min(86vh, 780px);
  display: flex;
  align-items: center;
  padding: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-scene {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(11, 61, 58, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 61, 58, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, black 35%, transparent 92%);
  animation: grid-drift 28s linear infinite;
}

.hero-glow {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse 65% 45% at 72% 30%, rgba(232, 168, 56, 0.2), transparent 60%),
    linear-gradient(90deg, rgba(255, 252, 247, 0.88) 0%, rgba(255, 252, 247, 0.55) 42%, transparent 70%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: min(40rem, 100%);
  padding: clamp(2.5rem, 8vh, 5rem) clamp(1.25rem, 5vw, 4rem) clamp(2.75rem, 7vh, 4.5rem);
  color: var(--ink);
}

.brand-hero-name {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--petrol);
  animation: rise 0.75s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.brand-hero-mark {
  width: clamp(2.6rem, 5vw, 3.25rem);
  height: clamp(2.6rem, 5vw, 3.25rem);
  flex-shrink: 0;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.45rem, 2.8vw, 1.95rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 22ch;
  margin: 0 0 0.85rem;
  color: var(--ink);
  animation: rise 0.75s 0.08s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 38ch;
  animation: rise 0.75s 0.14s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.75rem;
  animation: rise 0.75s 0.2s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:disabled { opacity: 0.55; cursor: wait; }

.btn.primary {
  background: var(--amber);
  color: var(--amber-ink);
}

.btn.primary:hover {
  background: #f0b84a;
  transform: translateY(-1px);
}

.btn.ghost {
  background: var(--surface);
  color: var(--petrol);
  border-color: var(--line-strong);
}

.btn.ghost:hover {
  background: color-mix(in srgb, var(--petrol) 8%, var(--surface));
  border-color: var(--petrol-mid);
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(3.25rem, 8vh, 5rem) clamp(1.25rem, 5vw, 3rem);
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.8vw, 2.05rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0 0 0.55rem;
  color: var(--petrol);
}

.section-lead {
  margin: 0 0 1.85rem;
  color: var(--muted);
  max-width: 40rem;
  font-size: 0.98rem;
}

.missions { animation: reveal 0.7s ease both; }

.flow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--petrol);
}

.flow li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem 1.15rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.flow-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background: var(--petrol);
  color: var(--sand);
  font-weight: 700;
  font-size: 0.8rem;
}

.flow h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.flow p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 40rem;
  font-size: 0.925rem;
}

.deploy {
  --deploy-saas: #0f7a6c;
  --deploy-saas-soft: rgba(15, 122, 108, 0.12);
  --deploy-saas-dedicated: #0d9488;
  --deploy-saas-dedicated-soft: rgba(13, 148, 136, 0.14);
  --deploy-hosted: #b45309;
  --deploy-hosted-soft: rgba(180, 83, 9, 0.12);
  --deploy-hosted-dedicated: #c2410c;
  --deploy-hosted-dedicated-soft: rgba(194, 65, 12, 0.14);
  --deploy-onprem: #1d4ed8;
  --deploy-onprem-soft: rgba(29, 78, 216, 0.12);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--petrol) 7%, var(--sand)) 0%, color-mix(in srgb, var(--petrol) 4%, var(--sand-warm)) 100%);
  max-width: none;
  padding-left: max(clamp(1.25rem, 5vw, 3rem), calc((100% - 1100px) / 2 + clamp(1.25rem, 5vw, 3rem)));
  padding-right: max(clamp(1.25rem, 5vw, 3rem), calc((100% - 1100px) / 2 + clamp(1.25rem, 5vw, 3rem)));
}

.deploy-label {
  margin: 1.5rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.deploy-modes {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
}

@media (max-width: 1100px) {
  .deploy-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .deploy-modes {
    grid-template-columns: 1fr;
  }
}

.deploy-brick {
  display: grid;
  gap: 0.45rem;
  text-align: left;
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: inherit;
  cursor: pointer;
  font: inherit;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    transform 0.18s ease;
}

.deploy-brick:hover {
  transform: translateY(-1px);
}

.deploy-brick__swatch {
  width: 2.25rem;
  height: 0.35rem;
  border-radius: 999px;
  background: var(--line-strong);
}

.deploy-brick--saas .deploy-brick__swatch { background: var(--deploy-saas); }
.deploy-brick--saas_dedicated .deploy-brick__swatch { background: var(--deploy-saas-dedicated); }
.deploy-brick--hosted .deploy-brick__swatch { background: var(--deploy-hosted); }
.deploy-brick--hosted_dedicated .deploy-brick__swatch { background: var(--deploy-hosted-dedicated); }
.deploy-brick--onprem .deploy-brick__swatch { background: var(--deploy-onprem); }

.deploy-brick__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.deploy-brick__desc {
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
}

.deploy-brick--saas.is-active {
  border-color: var(--deploy-saas);
  background: var(--deploy-saas-soft);
  box-shadow: 0 0 0 1px var(--deploy-saas);
}

.deploy-brick--saas_dedicated.is-active {
  border-color: var(--deploy-saas-dedicated);
  background: var(--deploy-saas-dedicated-soft);
  box-shadow: 0 0 0 1px var(--deploy-saas-dedicated);
}

.deploy-brick--hosted.is-active {
  border-color: var(--deploy-hosted);
  background: var(--deploy-hosted-soft);
  box-shadow: 0 0 0 1px var(--deploy-hosted);
}

.deploy-brick--hosted_dedicated.is-active {
  border-color: var(--deploy-hosted-dedicated);
  background: var(--deploy-hosted-dedicated-soft);
  box-shadow: 0 0 0 1px var(--deploy-hosted-dedicated);
}

.deploy-brick--onprem.is-active {
  border-color: var(--deploy-onprem);
  background: var(--deploy-onprem-soft);
  box-shadow: 0 0 0 1px var(--deploy-onprem);
}

.deploy-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
  margin-top: 1rem;
}

.deploy-legend__hint {
  font-size: 0.82rem;
  color: var(--muted);
}

.deploy-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  border: 1px solid transparent;
}

.deploy-chip--saas {
  color: var(--deploy-saas);
  background: var(--deploy-saas-soft);
  border-color: rgba(15, 122, 108, 0.28);
}

.deploy-chip--saas_dedicated {
  color: var(--deploy-saas-dedicated);
  background: var(--deploy-saas-dedicated-soft);
  border-color: rgba(13, 148, 136, 0.28);
}

.deploy-chip--hosted {
  color: var(--deploy-hosted);
  background: var(--deploy-hosted-soft);
  border-color: rgba(180, 83, 9, 0.28);
}

.deploy-chip--hosted_dedicated {
  color: var(--deploy-hosted-dedicated);
  background: var(--deploy-hosted-dedicated-soft);
  border-color: rgba(194, 65, 12, 0.28);
}

.deploy-chip--onprem {
  color: var(--deploy-onprem);
  background: var(--deploy-onprem-soft);
  border-color: rgba(29, 78, 216, 0.28);
}

.deploy-chip.is-focus {
  box-shadow: 0 0 0 1px currentColor;
}

.deploy-options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.deploy-option {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.85rem 1.25rem;
  align-items: center;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition:
    opacity 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.deploy-option.is-compatible {
  border-color: var(--line-strong);
}

.deploy-option.is-muted {
  opacity: 0.38;
}

.deploy-option__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.deploy-option__desc {
  display: block;
  margin-top: 0.28rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
  max-width: 40rem;
}

.deploy-option__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

.offer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, 1fr);
  border-top: 2px solid var(--petrol);
}

.offer-list li {
  padding: 1.25rem 1.15rem 1.35rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
  background: transparent;
}

.offer-list li:nth-child(2n) { border-right: none; }

.offer-list h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}

.offer-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.offer-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--petrol-mid);
}

.pack-row {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 2px solid var(--petrol);
}

.pack-footnote {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  max-width: 48rem;
}

.seats {
  background: color-mix(in srgb, var(--petrol) 5%, transparent);
}

.seats-row {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 2px solid var(--petrol);
}

.seat-tier {
  padding: 1.35rem 1.2rem 1.5rem;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.seat-tier:last-child { border-right: none; }

.seat-tier-accent {
  background: color-mix(in srgb, var(--amber) 14%, var(--surface));
}

.seat-tag {
  margin: 0 0 0.45rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--petrol-mid);
}

.seat-tier h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--petrol);
}

.seat-price {
  margin: 0 0 0.45rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
}

.seat-tier p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.875rem;
}

.options-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, 1fr);
  border-top: 2px solid var(--petrol);
}

.options-list li {
  padding: 1.25rem 1.15rem 1.35rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.options-list li:nth-child(2n) { border-right: none; }

.options-list h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--petrol);
}

.options-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.pack {
  padding: 1.35rem 1.2rem 1.5rem;
  border-right: 1px solid var(--line);
  background: transparent;
}

.pack:last-child { border-right: none; }

.pack.featured {
  background: color-mix(in srgb, var(--petrol) 9%, transparent);
  box-shadow: inset 0 3px 0 var(--amber);
}

.pack.pack-duo {
  background: color-mix(in srgb, var(--amber) 12%, transparent);
  box-shadow: inset 0 3px 0 var(--petrol-mid);
}

.pack h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 650;
  color: var(--petrol);
}

.pack-price {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--ink);
  margin: 0 0 0.35rem;
}

.pack-host {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.pack-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.pack-list li {
  color: var(--ink-soft);
  font-size: 0.875rem;
  padding-left: 0.95rem;
  position: relative;
}

.pack-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 999px;
  background: var(--petrol-mid);
}

.contact-shell {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: start;
}

.contact-aside {
  padding: 0 0 0 1rem;
  border-left: 3px solid var(--amber);
  background: transparent;
}

.contact-aside h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--petrol);
}

.contact-aside p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.contact-aside a {
  color: var(--petrol);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-meta {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.register-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.register-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.875rem;
}

.register-field span {
  color: var(--ink-soft);
  font-weight: 600;
}

.register-field input,
.register-field select,
.register-field textarea {
  font: inherit;
  color: var(--ink);
  background: var(--sand);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
}

.register-field input:focus,
.register-field select:focus,
.register-field textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--petrol) 40%, transparent);
  outline-offset: 1px;
  border-color: var(--petrol-mid);
  background: var(--surface);
}

.register-field textarea {
  resize: vertical;
  min-height: 5.5rem;
}

.register-hint {
  margin: -0.25rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.register-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.85rem;
  line-height: 1.45;
  cursor: pointer;
  color: var(--ink-soft);
}

.register-consent input { margin-top: 0.2rem; }

.register-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.15rem;
}

.register-form__actions .btn {
  width: 100%;
  padding: 0.75rem 1rem;
}

.register-form .btn.primary {
  background: var(--petrol);
  color: var(--sand);
}

.register-form .btn.primary:hover {
  background: var(--petrol-mid);
  transform: none;
}

.register-error {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid #e8a0a0;
  background: #fff5f5;
  color: #b42318;
  font-size: 0.875rem;
}

.register-success {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.register-success h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 650;
  color: var(--petrol);
}

.register-success p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.925rem;
}

.register-success__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.1rem;
}

.register-success .btn.ghost {
  color: var(--petrol);
  border-color: var(--line-strong);
  background: var(--sand);
}

.register-success .btn.ghost:hover {
  background: var(--petrol-soft, #e6f0ef);
}

.register-hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* —— Composer / panier (pattern NEXUS, style Qronos) —— */
.pack-cta-row {
  margin: 1.5rem 0 0;
  text-align: center;
}

.composer-status {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--petrol) 6%, var(--surface));
  color: var(--ink-soft);
  font-size: 0.875rem;
}

.composer-status.is-error {
  border-color: #e8a0a0;
  background: #fff5f5;
  color: #b42318;
}

.composer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(15rem, 0.85fr);
  gap: 1.25rem;
  align-items: start;
}

.composer-main {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.composer-label {
  display: block;
  margin: 1.15rem 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.composer-main > .composer-label:first-child {
  margin-top: 0;
}

.composer-hint {
  margin: 0 0 0.65rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.choice-grid {
  display: grid;
  gap: 0.5rem;
}

.choice-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.choice-grid--5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.choice {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 0.8rem 0.85rem;
  cursor: pointer;
  color: var(--ink);
  font: inherit;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.choice:hover:not(:disabled) {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--petrol) 12%, transparent);
}

.choice.active {
  border-color: var(--petrol);
  background: color-mix(in srgb, var(--amber) 18%, var(--surface));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--petrol) 25%, transparent);
}

.choice.is-disabled,
.choice:disabled {
  opacity: 0.72;
  cursor: default;
}

.choice strong {
  display: block;
  font-size: 0.95rem;
  color: var(--petrol);
}

.choice span {
  display: -webkit-box;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.choice .price {
  margin-top: 0.45rem;
  font-weight: 700;
  color: var(--petrol-mid);
  font-size: 0.85rem;
}

.year-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.chip {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  color: var(--ink);
  font: inherit;
  font-weight: 500;
  font-size: 0.875rem;
}

.chip:hover {
  border-color: var(--petrol-mid);
}

.chip.active {
  border-color: var(--petrol);
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 700;
}

.composer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.composer-cart {
  position: sticky;
  top: 4.75rem;
  display: grid;
  gap: 0.65rem;
  padding: 1.15rem 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  border-top: 3px solid var(--amber);
}

.composer-cart > .composer-label {
  margin: 0;
}

.composer-cart-brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 650;
  color: var(--petrol);
  letter-spacing: -0.02em;
}

.composer-cart-meta,
.composer-cart-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.composer-cart-meta li,
.composer-cart-lines li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.composer-cart-meta strong,
.composer-cart-lines strong {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}

.composer-cart-lines {
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
  max-height: 14rem;
  overflow: auto;
}

.composer-cart-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.composer-cart-total strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--petrol);
  text-align: right;
}

.composer-cart-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}

.composer-cart .btn {
  width: 100%;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  align-items: center;
  padding: 1.75rem clamp(1.25rem, 5vw, 3rem) 2.5rem;
  border-top: 2px solid var(--petrol);
  color: var(--muted);
  font-size: 0.85rem;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--petrol);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.footer-brand img {
  width: 1.2rem;
  height: 1.2rem;
}

.footer a {
  color: var(--petrol);
  text-decoration: none;
  font-weight: 600;
}

.footer a:hover { text-decoration: underline; text-underline-offset: 2px; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes nav-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes grid-drift {
  from { background-position: 0 0; }
  to { background-position: 48px 48px; }
}

@media (max-width: 1100px) {
  .pack-row,
  .seats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pack:nth-child(2n),
  .seat-tier:nth-child(2n) { border-right: none; }
  .pack:nth-child(n + 3),
  .seat-tier:nth-child(n + 3) { border-top: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .hero { min-height: min(85vh, 720px); }
  .contact-shell,
  .composer-layout,
  .pack-row,
  .seats-row,
  .deploy-modes,
  .offer-list,
  .options-list { grid-template-columns: 1fr; }
  .choice-grid--2,
  .choice-grid--3,
  .choice-grid--4,
  .choice-grid--5 { grid-template-columns: 1fr 1fr; }
  .composer-cart { position: static; }
  .pack,
  .seat-tier { border-right: none; border-bottom: 1px solid var(--line); }
  .pack:nth-child(n + 3),
  .seat-tier:nth-child(n + 3) { border-top: none; }
  .deploy-option {
    grid-template-columns: 1fr;
  }
  .deploy-option__badges {
    justify-content: flex-start;
  }
  .offer-list li,
  .options-list li { border-right: none; }
}

@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .register-form__row { grid-template-columns: 1fr; }
  .choice-grid--2,
  .choice-grid--3,
  .choice-grid--4,
  .choice-grid--5 { grid-template-columns: 1fr; }
}


/* Isolation PostgreSQL — diagramme pédagogique */
.hosting-iso { margin: 2rem 0; padding: 1.5rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); }
.hosting-iso__title { font-family: var(--font-display); font-size: 1.125rem; margin: 0 0 0.5rem; }
.hosting-iso__lead { margin: 0 0 1.25rem; color: var(--muted); font-size: 0.95rem; }
.hosting-iso__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.hosting-iso__card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 1rem; }
.hosting-iso__card--highlight { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.hosting-iso__card h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.hosting-iso__offer { margin: 0 0 0.75rem; font-size: 0.75rem; font-weight: 700; color: var(--brand); text-transform: uppercase; letter-spacing: 0.04em; }
.hosting-iso__svg { width: 100%; height: auto; display: block; margin-bottom: 0.75rem; }
.hosting-iso__pg { fill: #eef5f3; stroke: #0b3d3a; stroke-width: 1.5; }
.hosting-iso__db { fill: #fff; stroke: #64748b; stroke-width: 1.2; }
.hosting-iso__db--active { fill: #d1fae5; stroke: #0f5c56; stroke-width: 1.5; }
.hosting-iso__schema { fill: #f0fdfa; stroke: #14b8a6; stroke-width: 1.2; }
.hosting-iso__label, .hosting-iso__small { fill: #334155; font-family: var(--font-body); text-anchor: middle; font-size: 11px; }
.hosting-iso__small { font-size: 9px; }
.hosting-iso__desc { margin: 0; font-size: 0.875rem; color: var(--muted); line-height: 1.45; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}