:root {
  --bg: #10181f;
  --bg-2: #18212a;
  --panel: rgba(255, 251, 246, 0.94);
  --panel-strong: rgba(249, 244, 236, 0.96);
  --line: rgba(84, 62, 38, 0.10);
  --line-strong: rgba(194, 65, 12, 0.26);
  --text: #1f2933;
  --muted: #5f6b75;
  --accent: #18212a;
  --accent-2: #24404f;
  --title-accent: #d97706;
  --title-accent-deep: #8a3212;
  --accent-soft: rgba(15, 118, 110, 0.08);
  --warm-soft: rgba(138, 50, 18, 0.10);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

html {
  scroll-behavior: smooth;
}

body.draveur-body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 12%, rgba(25, 50, 74, 0.12), transparent 28%),
    radial-gradient(circle at 86% 20%, rgba(207, 91, 26, 0.10), transparent 24%),
    linear-gradient(180deg, var(--ivory-soft), var(--ivory));
}

.ambient-grid,
.ambient-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.ambient-grid {
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.ambient-glow-a {
  background: radial-gradient(circle at 18% 20%, rgba(36, 64, 79, 0.18), transparent 24%);
}

.ambient-glow-b {
  background: radial-gradient(circle at 82% 74%, rgba(217, 119, 6, 0.12), transparent 24%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, rgba(255, 250, 244, 0.92), rgba(246, 238, 228, 0.90));
  border-bottom: 1px solid rgba(84, 62, 38, 0.10);
}

.site-header .container {
  min-height: 84px;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: nowrap;
}

.navbar-brand.brand-lockup {
  margin-right: 0;
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  max-width: min(52vw, 30rem);
}

.brand-art {
  width: 100%;
  max-width: 100%;
  max-height: 76px;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.32));
}

.header-actions {
  flex: 0 0 auto;
  min-width: 0;
}

.top-pill,
.badge-soft {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  background: rgba(15, 118, 110, 0.08);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.btn.btn-draveur,
.btn.btn-draveur-ghost {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.3rem;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.btn.btn-draveur:hover,
.btn.btn-draveur-ghost:hover {
  transform: translateY(-1px);
}

.btn.btn-draveur {
  color: #ffffff;
  background: linear-gradient(135deg, #18212a, #24404f);
  border: 1px solid rgba(15, 118, 110, 0.16);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.24);
}

.btn.btn-draveur-ghost {
  color: #8a3212;
  background: rgba(138, 50, 18, 0.08);
  border: 1px solid rgba(138, 50, 18, 0.14);
}

.site-header .btn {
  white-space: nowrap;
}

.panel-nav {
  position: fixed;
  right: 1.45rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  gap: 0.55rem;
  pointer-events: auto;
}

.panel-nav .nav-link {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  padding: 0.7rem 0.4rem;
  border-radius: 999px;
  border: 1px solid rgba(138, 50, 18, 0.16);
  background: rgba(255, 250, 244, 0.84);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.66rem;
  color: rgba(95, 107, 117, 0.9);
}

.panel-nav .nav-link:hover,
.panel-nav .nav-link.active {
  color: var(--title-accent-deep);
  border-color: rgba(194, 65, 12, 0.30);
  background: rgba(138, 50, 18, 0.10);
}

.panel-flow {
  perspective: 1600px;
  transform-style: preserve-3d;
}

.stage-panel {
  min-height: 148svh;
  position: relative;
  padding: 0 0 3rem;
  scroll-margin-top: 7.4rem;
}

.stage-frame {
  position: sticky;
  top: 6.75rem;
  padding-top: 1.1rem;
  padding-bottom: 1rem;
  overflow: visible;
}

.glass-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(249, 244, 236, 0.95)),
    var(--panel);
  border-radius: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
}

.hero-banner-card {
  background: rgba(255, 255, 255, 0.98);
  overflow: hidden;
}

.hero-banner-image {
  display: block;
  width: 100%;
  height: min(74svh, 44rem);
  object-fit: cover;
  object-position: center center;
}

.depth-card {
  --depth-shift: 110px;
  --depth-scale: 0.9;
  --depth-opacity: 0.34;
  --depth-blur: 10px;
  --depth-rotate: -3deg;
  will-change: transform, opacity, filter;
  transition:
    transform 180ms linear,
    opacity 180ms linear,
    filter 180ms linear,
    box-shadow 180ms linear;
}

.panel-flow.depth-ready .depth-card {
  transform:
    translate3d(0, var(--depth-shift), 0)
    scale(var(--depth-scale))
    rotateX(var(--depth-rotate));
  transform-origin: center top;
  opacity: var(--depth-opacity);
  filter: blur(var(--depth-blur));
}

.panel-flow.depth-ready .depth-card.is-focused {
  box-shadow: 0 30px 80px rgba(42, 35, 28, 0.20);
}

.eyebrow {
  color: var(--title-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-title,
.section-title {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--title-accent-deep);
}

.hero-title {
  font-size: clamp(3.1rem, 5.9vw, 6.3rem);
  line-height: 0.92;
  max-width: 9ch;
}

.section-title {
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 0.95;
  max-width: 11ch;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: manual;
  text-wrap: pretty;
}

.section-title-balanced {
  max-width: 13.5ch;
  text-wrap: balance;
}

.hero-lead {
  font-size: 1.24rem;
  line-height: 1.45;
  color: var(--text);
  max-width: 35rem;
}

.hero-text,
.section-copy,
.list-styled li,
.feature-card span,
.step-card p,
.accordion-draveur .accordion-body,
.hero-footnote,
.media-caption span {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.hero-footnote {
  color: #6b7280;
}

.media-card,
.stack-card,
.feature-card,
.signal-card,
.step-card,
.price-card,
.accordion-draveur .accordion-item {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(84, 62, 38, 0.10);
  border-radius: 24px;
}

.media-card {
  min-height: 560px;
  overflow: hidden;
}

.media-backdrop,
.hero-video {
  position: absolute;
  inset: 0;
}

.media-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(24, 33, 42, 0.12), rgba(24, 33, 42, 0.60)),
    linear-gradient(135deg, rgba(217, 119, 6, 0.14), transparent 44%);
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-placeholder,
.demo-placeholder-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 0.4rem;
  padding: 1.35rem;
  background: linear-gradient(180deg, rgba(24, 33, 42, 0.06), rgba(24, 33, 42, 0.72));
}

.media-placeholder span,
.demo-placeholder-overlay span {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--title-accent);
}

.media-placeholder strong,
.demo-placeholder-overlay strong {
  font-size: 1.35rem;
  max-width: 18ch;
}

.media-placeholder small,
.demo-placeholder-overlay small {
  color: rgba(244, 251, 250, 0.74);
  max-width: 28ch;
}

.media-caption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  padding: 1rem 1.1rem;
  border-radius: 20px;
  background: rgba(24, 33, 42, 0.90);
  border: 1px solid rgba(36, 64, 79, 0.20);
  color: #f4fbfa;
}

.media-caption strong,
.signal-card strong,
.feature-card strong,
.step-card strong,
.price-card strong {
  display: block;
}

.signal-card {
  height: 100%;
  padding: 1rem;
}

.signal-card strong {
  color: var(--accent-2);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.signal-card span {
  color: var(--muted);
}

.stack-card .card-body,
.feature-card .card-body {
  padding: 1.1rem 1.15rem;
}

.accent-card {
  background: linear-gradient(180deg, rgba(36, 64, 79, 0.12), rgba(255, 255, 255, 0.90));
  border-color: rgba(36, 64, 79, 0.20);
}

.list-styled {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.5rem;
}

.feature-card strong {
  font-size: 1.14rem;
  margin-bottom: 0.25rem;
  color: var(--accent);
}

.stack-card h3,
.accordion-draveur .accordion-button {
  color: var(--title-accent-deep);
}

.step-card {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.9rem;
  padding: 1.1rem 1.15rem;
  align-items: start;
}

.step-index {
  width: 3rem;
  height: 3rem;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--title-accent-deep);
  background: rgba(217, 119, 6, 0.12);
  border: 1px solid rgba(194, 65, 12, 0.24);
  font-weight: 700;
}

.demo-stage {
  min-height: 520px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(84, 62, 38, 0.12);
  background: linear-gradient(135deg, rgba(24, 33, 42, 0.98), rgba(36, 64, 79, 0.96));
  position: relative;
}

.demo-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.demo-placeholder-screen {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(24, 33, 42, 0.10), rgba(24, 33, 42, 0.72)),
    url("./media/draveur1_plaqueALL2.png") center/cover no-repeat;
}

.price-card {
  padding: 1rem 1.1rem;
  height: 100%;
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(217, 119, 6, 0.12), rgba(255, 251, 246, 0.90));
}

.price-card small {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.68rem;
  color: var(--title-accent-deep);
  margin-bottom: 0.55rem;
}

.price-card strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.6rem, 4vw, 3.3rem);
  line-height: 1;
}

.accordion-draveur {
  --bs-accordion-bg: transparent;
  --bs-accordion-border-color: transparent;
  --bs-accordion-btn-bg: transparent;
  --bs-accordion-active-bg: transparent;
  --bs-accordion-btn-color: var(--text);
  --bs-accordion-active-color: var(--text);
  --bs-accordion-btn-focus-box-shadow: none;
  display: grid;
  gap: 0.9rem;
}

.accordion-draveur .accordion-item {
  overflow: hidden;
}

.accordion-draveur .accordion-button {
  font-weight: 700;
  color: var(--text);
  padding: 1.1rem 1.15rem;
  background: transparent;
}

.accordion-draveur .accordion-button:not(.collapsed) {
  box-shadow: none;
}

.accordion-draveur .accordion-button::after {
  filter: none;
}

.accordion-draveur .accordion-body {
  padding: 0 1.15rem 1.1rem;
}

@media (max-width: 1199px) {
  .panel-nav {
    display: none !important;
  }
}

@media (max-width: 991px) {
  .stage-panel {
    min-height: auto;
    padding: 6.5rem 0 1.8rem;
  }

  .stage-frame {
    position: relative;
    top: auto;
    padding-top: 0;
  }

  .site-header .container {
    min-height: 76px;
    gap: 0.85rem;
  }

  .navbar-brand.brand-lockup {
    max-width: min(56vw, 18rem);
  }

  .brand-art {
    max-height: 76px;
  }

  .site-header .btn.btn-draveur {
    padding: 0.8rem 1rem;
    font-size: 0.94rem;
  }

  .hero-title,
  .section-title {
    max-width: none;
  }

  .hero-banner-image {
    height: min(52svh, 28rem);
  }

  .media-card,
  .demo-stage {
    min-height: 380px;
  }

  .depth-card {
    transform: none;
    opacity: 1;
    filter: none;
    transition: none;
  }
}

@media (max-width: 767px) {
  .site-header .container {
    min-height: 70px;
    gap: 0.7rem;
  }

  .navbar-brand.brand-lockup {
    max-width: calc(100vw - 11rem);
  }

  .brand-art {
    max-height: 40px;
  }

  .glass-card {
    border-radius: 26px;
  }

  .hero-title {
    font-size: clamp(2.4rem, 11vw, 4rem);
  }

  .section-title {
    font-size: clamp(1.9rem, 9vw, 3rem);
  }

  .hero-banner-image {
    height: min(38svh, 16rem);
  }

  .site-header .btn.btn-draveur {
    padding: 0.72rem 0.92rem;
    font-size: 0.86rem;
  }
}

@media (max-width: 479px) {
  .navbar-brand.brand-lockup {
    max-width: calc(100vw - 9.3rem);
  }

  .site-header .btn.btn-draveur {
    padding: 0.7rem 0.8rem;
    font-size: 0.82rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .depth-card {
    transform: none;
    opacity: 1;
    filter: none;
    transition: none;
  }
}




#demo .col-lg-4 {
  padding-right: 1.25rem;
}

#demo .section-title.section-title-balanced {
  font-size: clamp(1.85rem, 2.6vw, 3.5rem);
  line-height: 1.04;
  max-width: 11.6ch;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

@media (max-width: 991px) {
  #demo .col-lg-4 {
    padding-right: calc(var(--bs-gutter-x) * .5);
  }

  #demo .section-title.section-title-balanced {
    font-size: clamp(1.9rem, 6vw, 2.9rem);
    max-width: none;
  }
}