/*!
 * Dala demo — SEPTYS
 * Design inspiré de https://dala.craftedbygc.com/
 *
 * Charte sombre : fond #000 / #070707, texte #fff, police PPNeueMontreal,
 * accents teal #189b81, purple #8052ff, yellow #ffb829, blue #1da1f2.
 * Toutes les dimensions sont en rem pour tenir sur mobile et desktop.
 */

/* --------------------------------------------------------------
   Variables & reset
   -------------------------------------------------------------- */
:root {
  --color-bg: #000000;
  --color-surface: #070707;
  --color-surface-2: #0a0a0a;
  --color-text: #ffffff;
  --color-text-2: #e9e9e9;
  --color-muted: #9a9a9a;
  --color-border: #1a1a1a;

  --accent-teal: #189b81;
  --accent-purple: #8052ff;
  --accent-yellow: #ffb829;
  --accent-blue: #1da1f2;

  --fs-kicker: 0.875rem;
  --fs-body: 1rem;
  --fs-lead: 1.5rem;
  --fs-h3: 1.5rem;
  --fs-h2: 2.25rem;
  --fs-h1: 3.5rem;
  --fs-hero: 4.5rem;

  --lh-tight: 1.05;
  --lh-body: 1.6;

  --ls-tight: -0.02em;
  --ls-loose: 0.05em;

  --radius: 0.5rem;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'PPNeueMontreal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* --------------------------------------------------------------
   Utilitaires de typographie (calque dala.ai)
   -------------------------------------------------------------- */
.t-400 { font-weight: 400; }
.t-600 { font-weight: 600; }
.t-uppercase { text-transform: uppercase; }
.t-ls-0.025 { letter-spacing: 0.025em; }
.t-ls-neg-0.025 { letter-spacing: -0.025em; }
.t-lh-1 { line-height: 1; }
.t-lh-1.1 { line-height: 1.1; }
.t-lh-1.2 { line-height: 1.2; }
.t-lh-1.3 { line-height: 1.3; }
.t-lh-1.5 { line-height: 1.5; }

.fs-16 { font-size: 0.875rem; }
.fs-20 { font-size: 1.25rem; }
.fs-24 { font-size: 1.5rem; }
.fs-32 { font-size: 2rem; }
.fs-40 { font-size: 2.5rem; }
.fs-56 { font-size: 3.5rem; }
.fs-104 { font-size: 6.5rem; }

.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-1-5 { margin-bottom: 0.75rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-5 { margin-top: 3rem; }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.overflow-hidden { overflow: hidden; }
.d-block { display: block; }
.d-flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }

/* --------------------------------------------------------------
   Conteneur & grille
   -------------------------------------------------------------- */
.sc-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --------------------------------------------------------------
   Boutons
   -------------------------------------------------------------- */
.sc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 3rem;
  padding: 0 1.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  line-height: 1;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.sc-btn--solid {
  background: var(--color-text);
  color: var(--color-bg);
}

.sc-btn--solid:hover {
  background: var(--accent-teal);
  color: var(--color-text);
}

.sc-btn {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.sc-btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

/* --------------------------------------------------------------
   Loader plein écran (dala.ai site-loader)
   -------------------------------------------------------------- */
.sc-site-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: grid;
  place-items: center;
  transition: opacity 600ms ease, visibility 600ms ease;
}

.sc-site-loader.done {
  opacity: 0;
  visibility: hidden;
}

.sc-site-loader__content {
  text-align: center;
}

.sc-site-loader__main {
  display: inline-block;
  position: relative;
  width: 142px;
  height: 141px;
}

.sc-site-loader__spinner {
  width: 100%;
  height: 100%;
  fill: none;
}

.sc-site-loader__spinner rect {
  fill: var(--color-text);
  animation: scLoaderDash 1.4s ease-in-out infinite;
}

@keyframes scLoaderDash {
  0%, 100% { stroke-dashoffset: 12; }
  50% { stroke-dashoffset: 4; }
}

.sc-site-loader__heading {
  margin-top: 1.5rem;
}

.sc-site-loader__heading-inner {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.sc-site-loader__info {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  color: var(--color-muted);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

.sc-site-loader__progress-digit {
  font-variant-numeric: tabular-nums;
  color: var(--accent-teal);
}

/* --------------------------------------------------------------
   Canvas de fond (WebGL)
   -------------------------------------------------------------- */
.sc-dala-canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.sc-dala-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* --------------------------------------------------------------
   Header
   -------------------------------------------------------------- */
.sc-dala-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.6);
}

.sc-dala-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.sc-dala-brand__mark {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.25rem;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-purple));
}

.sc-dala-nav__links {
  display: none;
  gap: 2rem;
  align-items: center;
}

.sc-dala-nav__links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-2);
  transition: color var(--transition);
}

.sc-dala-nav__links a:hover {
  color: var(--accent-teal);
}

.sc-dala-nav__cta {
  font-size: 0.875rem;
}

/* --------------------------------------------------------------
   Sections
   -------------------------------------------------------------- */
.sc-dala-section {
  position: relative;
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.sc-dala-section--bordered {
  background: var(--color-surface);
}

.sc-dala-section__head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.sc-dala-section__head--row {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.sc-kicker {
  font-size: var(--fs-kicker);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-teal);
  margin-bottom: 0.5rem;
}

.sc-dala-section__head h2,
.sc-dala-hero__title {
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--color-text);
}

.sc-dala-section__note {
  font-size: 1rem;
  color: var(--color-muted);
  margin-top: 0.75rem;
  max-width: 42rem;
}

/* --------------------------------------------------------------
   Hero
   -------------------------------------------------------------- */
.sc-dala-hero {
  padding: 8rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.sc-dala-hero__kicker {
  color: var(--accent-teal);
}

.sc-dala-hero__title {
  font-size: var(--fs-hero);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  max-width: 72ch;
}

.sc-dala-hero__lede {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--color-text-2);
  max-width: 48ch;
  margin-bottom: 2rem;
}

.sc-dala-hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.sc-dala-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.sc-dala-hero__meta a {
  color: var(--accent-teal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

/* --------------------------------------------------------------
   Marquee
   -------------------------------------------------------------- */
.sc-dala-marquee {
  overflow: hidden;
  padding: 1.5rem 0;
  background: var(--color-surface);
}

.sc-dala-marquee__track {
  display: flex;
  gap: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  color: var(--color-muted);
  white-space: nowrap;
  animation: scMarquee 25s linear infinite;
}

.sc-dala-marquee--alt .sc-dala-marquee__track {
  animation-direction: reverse;
}

@keyframes scMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --------------------------------------------------------------
   Approche — étapes
   -------------------------------------------------------------- */
.sc-dala-steps {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

.sc-dala-steps li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.sc-dala-steps__num {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-muted);
  min-width: 3rem;
}

.sc-dala-steps h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.sc-dala-steps p {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.5;
}

/* --------------------------------------------------------------
   Cartes capacités
   -------------------------------------------------------------- */
.sc-dala-cards {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

.sc-dala-card {
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  transition: border-color var(--transition);
}

.sc-dala-card:hover {
  border-color: var(--accent-teal);
}

.sc-dala-card__index {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-muted);
  display: block;
  margin-bottom: 0.75rem;
}

.sc-dala-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.sc-dala-card p {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.sc-dala-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sc-dala-card ul li {
  font-size: 0.875rem;
  color: var(--color-muted);
  padding-left: 0.75rem;
  position: relative;
}

.sc-dala-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.625rem;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--accent-teal);
}

/* --------------------------------------------------------------
   Engagements — pile
   -------------------------------------------------------------- */
.sc-dala-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
}

.sc-dala-stack__card {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: 2rem;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  align-items: start;
}

.sc-dala-stack__num {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  color: var(--accent-teal);
}

.sc-dala-stack__card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.sc-dala-stack__card p {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.sc-dala-stack__spec {
  display: grid;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.sc-dala-stack__spec dt {
  font-weight: 600;
  color: var(--color-text-2);
}

/* --------------------------------------------------------------
   Réalisations
   -------------------------------------------------------------- */
.sc-dala-work {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
}

.sc-dala-work__row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: inherit;
  transition: border-color var(--transition);
}

.sc-dala-work__row:hover {
  border-color: var(--accent-teal);
}

.sc-dala-work__num {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-muted);
  min-width: 3rem;
}

.sc-dala-work__body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.sc-dala-work__body p {
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.5;
}

.sc-dala-work__metric {
  margin-left: auto;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-teal);
}

.sc-dala-work__metric small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.sc-dala-work__arrow {
  color: var(--color-muted);
}

/* --------------------------------------------------------------
   Témoignages
   -------------------------------------------------------------- */
.sc-dala-voices {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

.sc-dala-voice blockquote {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.sc-dala-voice figcaption {
  font-size: 0.9375rem;
  color: var(--color-text-2);
}

.sc-dala-voice figcaption b {
  display: block;
  color: var(--color-text);
  font-size: 1rem;
}

/* --------------------------------------------------------------
   Stats
   -------------------------------------------------------------- */
.sc-dala-stats {
  padding: 5rem 0;
  background: var(--color-surface);
}

.sc-dala-stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
}

.sc-dala-stats__grid > div {
  text-align: center;
}

.sc-dala-stats__grid strong {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-text);
  display: block;
}

.sc-dala-stats__grid span {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-top: 0.5rem;
  display: block;
}

/* --------------------------------------------------------------
   FAQ
   -------------------------------------------------------------- */
.sc-dala-faq {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 3rem;
}

.sc-dala-faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.sc-dala-faq__item summary {
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition);
}

.sc-dala-faq__item summary::-webkit-details-marker { display: none; }
.sc-dala-faq__item summary:hover {
  background: var(--color-surface-2);
}

.sc-dala-faq__item p {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-2);
  line-height: 1.5;
}

/* --------------------------------------------------------------
   CTA
   -------------------------------------------------------------- */
.sc-dala-cta {
  padding: 6rem 0;
  text-align: center;
}

.sc-dala-cta .sc-kicker {
  color: var(--accent-yellow);
}

.sc-dala-cta h2 {
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: 1.5rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.sc-dala-cta__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------
   Footer
   -------------------------------------------------------------- */
.sc-dala-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-border);
}

.sc-dala-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.sc-dala-footer__inner span {
  color: var(--color-muted);
}

/* --------------------------------------------------------------
   Scroll-reveal (GSAP lite, fallback CSS)
   -------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  translate: 0 18px;
  transition: opacity 900ms ease, translate 900ms ease;
}

[data-reveal].visible {
  opacity: 1;
  translate: none;
}

/* --------------------------------------------------------------
   Intro (WebGL) — calque
   -------------------------------------------------------------- */
.sc-intro {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--color-bg);
  display: grid;
  place-items: center;
}

.sc-intro__canvas {
  width: 100%;
  height: 100%;
}

.sc-intro__label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  mix-blend-mode: difference;
}

.sc-intro__skip {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 70;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text);
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
}

.sc-intro__skip:hover {
  background: rgba(255, 255, 255, 0.2);
}

.sc-dala__bg,
.sc-dala__relay,
.sc-dala__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
}

.sc-dala__grain {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.5'/%3E%3C/svg%3E");
}

.sc-dala-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--color-border);
  transform: scalex(0);
  transform-origin: left;
  z-index: 40;
  transition: transform 120ms linear;
}

/* --------------------------------------------------------------
   Responsive
   -------------------------------------------------------------- */
@media (min-width: 768px) {
  .sc-dala-nav__links {
    display: flex;
  }
  .sc-dala-stack__card {
    grid-template-columns: 16rem 1fr;
  }
  .sc-dala-stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  .sc-dala-hero__title { font-size: 2.75rem; }
  .sc-dala-section__head--row { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .sc-dala-hero__actions { flex-direction: column; align-items: stretch; }
  .sc-dala-hero__actions .sc-btn { width: 100%; justify-content: center; }
}