/* ---------------------------------------------------------------------------
   elone.eu — mise en page et sections
--------------------------------------------------------------------------- */

/* =========================================================================
   En-tête
   ========================================================================= */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color 0.4s ease, border-color 0.4s ease,
    backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}

.header.is-stuck {
  background-color: color-mix(in oklab, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.brand__dot {
  width: 0.3125rem;
  height: 0.3125rem;
  border-radius: var(--radius-full);
  background-color: var(--primary-500);
  translate: 0 -0.1em;
}

.nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 56rem) {
  .nav {
    display: flex;
  }
}

.nav__link {
  position: relative;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
  border-radius: var(--radius-full);
  transition: color 0.25s ease;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0.875rem;
  right: 0.875rem;
  bottom: 0.3rem;
  height: 1px;
  background-color: var(--primary-500);
  scale: 0 1;
  transform-origin: left;
  transition: scale 0.35s var(--ease-out-expo);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--fg);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  scale: 1 1;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Barre de progression de lecture */
.progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  transform-origin: left;
  scale: 0 1;
  background: linear-gradient(
    to right,
    var(--primary-600),
    var(--primary-400),
    var(--accent-blue)
  );
  will-change: scale;
}

/* =========================================================================
   Sections génériques
   ========================================================================= */

.section {
  position: relative;
  padding-block: clamp(5rem, 12vw, 9rem);
}

.section + .section {
  border-top: 1px solid color-mix(in oklab, var(--line) 60%, transparent);
}

.section__head {
  max-width: 46rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.section__title {
  margin-top: 1rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.section__lead {
  margin-top: 1.25rem;
  color: var(--fg-muted);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
}

/* =========================================================================
   Hero
   ========================================================================= */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 6rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  mask-image: radial-gradient(
    ellipse 80% 60% at 50% 35%,
    #000 10%,
    transparent 75%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 80% 60% at 50% 35%,
    #000 10%,
    transparent 75%
  );
}

.hero__orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}

.hero__orb--rose {
  width: 34rem;
  height: 34rem;
  top: -10rem;
  left: -8rem;
  background: radial-gradient(
    circle,
    color-mix(in oklab, var(--primary-600) 40%, transparent),
    transparent 68%
  );
  animation: float-a 18s ease-in-out infinite;
}

.hero__orb--blue {
  width: 28rem;
  height: 28rem;
  right: -6rem;
  bottom: -6rem;
  background: radial-gradient(
    circle,
    color-mix(in oklab, var(--accent-blue) 22%, transparent),
    transparent 68%
  );
  animation: float-b 22s ease-in-out infinite;
}

@keyframes float-a {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(4rem, 3rem, 0) scale(1.08);
  }
}

@keyframes float-b {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-5rem, -2rem, 0) scale(1.12);
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem 0.375rem 0.625rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  background-color: color-mix(in oklab, var(--surface-raised) 60%, transparent);
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

.hero__status-dot {
  position: relative;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background-color: #34d399;
}

.hero__status-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-color: inherit;
  animation: ping 2.4s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  75%,
  100% {
    transform: scale(2.6);
    opacity: 0;
  }
}

.hero__title {
  margin-top: 1.75rem;
  font-size: clamp(3rem, 11vw, 8rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.045em;
}

.hero__title-line {
  display: block;
  overflow: hidden;
}

.hero__title-line > span {
  display: block;
}

/* États de départ du hero — posés seulement si le JS d'animation tourne. */
.anim-ready .hero__title-line > span {
  transform: translateY(115%);
}

.anim-ready [data-hero],
.anim-ready .hero__scroll {
  opacity: 0;
}

.hero__role {
  margin-top: 1.75rem;
  max-width: 34rem;
  font-size: clamp(1.0625rem, 1.8vw, 1.375rem);
  color: var(--fg-muted);
  line-height: 1.5;
}

.hero__role strong {
  color: var(--fg);
  font-weight: 500;
}

.hero__actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero__meta {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1.5rem 2rem;
  max-width: 52rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.hero__meta-value {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.hero__meta-label {
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  color: var(--fg-subtle);
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  translate: -50% 0;
  z-index: 1;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}

@media (min-width: 56rem) {
  .hero__scroll {
    display: flex;
  }
}

.hero__scroll-rail {
  position: relative;
  width: 1px;
  height: 3.5rem;
  background-color: var(--line-strong);
  overflow: hidden;
}

.hero__scroll-rail::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(to bottom, transparent, var(--primary-400));
  animation: rail 2.2s var(--ease-out-expo) infinite;
}

@keyframes rail {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(250%);
  }
}

/* =========================================================================
   À propos
   ========================================================================= */

.about {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
}

@media (min-width: 56rem) {
  .about {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.about__text p + p {
  margin-top: 1.25rem;
}

.about__text p {
  color: var(--fg-muted);
  font-size: 1.0625rem;
}

.about__text strong {
  color: var(--fg);
  font-weight: 500;
}

.about__cards {
  display: grid;
  gap: 1rem;
}

.card {
  position: relative;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-color: color-mix(in oklab, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color 0.35s ease, transform 0.35s var(--ease-out-quart);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(
    18rem 18rem at var(--mx, 50%) var(--my, 0%),
    color-mix(in oklab, var(--primary-500) 12%, transparent),
    transparent 70%
  );
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.card:hover::before {
  opacity: 1;
}

.card__title {
  font-size: 1.0625rem;
  font-weight: 500;
}

.card__text {
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  color: var(--fg-muted);
}

.card__icon {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background-color: var(--surface-raised);
  color: var(--primary-400);
}

.card__icon svg {
  width: 1.125rem;
  height: 1.125rem;
}

/* =========================================================================
   Frise (Parcours / Expérience) — la barre se remplit au défilement
   ========================================================================= */

.timeline {
  position: relative;
}

.timeline__track {
  position: absolute;
  left: 1.1875rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  border-radius: var(--radius-full);
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--line) 8%,
    var(--line) 92%,
    transparent 100%
  );
  overflow: hidden;
  pointer-events: none;
}

.timeline__beam {
  position: absolute;
  inset: 0 0 auto 0;
  width: 100%;
  height: 0;
  border-radius: inherit;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--primary-600) 12%,
    var(--primary-400) 45%,
    var(--accent-blue) 92%,
    transparent 100%
  );
  box-shadow: 0 0 14px 1px color-mix(in oklab, var(--primary-500) 55%, transparent);
  will-change: height;
}

.timeline__list {
  display: grid;
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-left: 3.75rem;
  padding-block: 1.25rem clamp(2.5rem, 5vw, 4rem);
}

@media (min-width: 56rem) {
  .timeline__item {
    grid-template-columns: 18rem 1fr;
    gap: 3rem;
    padding-left: 0;
  }
}

.timeline__side {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 56rem) {
  .timeline__side {
    position: sticky;
    top: 35vh;
    align-self: start;
    height: 2.5rem;
  }
}

.timeline__dot {
  position: absolute;
  left: -3.75rem;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--line);
  background-color: var(--surface);
  transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

@media (min-width: 56rem) {
  .timeline__dot {
    position: relative;
    left: 0;
  }
}

.timeline__dot::after {
  content: "";
  width: 0.75rem;
  height: 0.75rem;
  border-radius: inherit;
  background-color: var(--line-strong);
  transition: background-color 0.5s ease, scale 0.5s var(--ease-spring);
}

.timeline__item.is-passed .timeline__dot {
  border-color: color-mix(in oklab, var(--primary-500) 55%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--primary-500) 8%, transparent);
}

.timeline__item.is-passed .timeline__dot::after {
  background-color: var(--primary-500);
  scale: 1.15;
}

.timeline__period {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--fg-subtle);
  transition: color 0.5s ease;
}

.timeline__item.is-passed .timeline__period {
  color: var(--primary-300);
}

.timeline__body {
  min-width: 0;
}

.timeline__role {
  font-size: clamp(1.25rem, 2.4vw, 1.625rem);
  font-weight: 500;
}

.timeline__org {
  margin-top: 0.375rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  color: var(--fg-muted);
}

.timeline__org-name {
  color: var(--primary-300);
}

.timeline__sep {
  width: 3px;
  height: 3px;
  border-radius: var(--radius-full);
  background-color: var(--line-strong);
}

.timeline__desc {
  margin-top: 1rem;
  color: var(--fg-muted);
  font-size: 0.9875rem;
  max-width: 42rem;
}

.timeline__points {
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
  max-width: 42rem;
}

.timeline__points li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--fg-muted);
}

.timeline__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6875rem;
  width: 0.375rem;
  height: 1px;
  background-color: var(--primary-500);
}

.timeline__tags {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* =========================================================================
   Projets
   ========================================================================= */

.projects {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 56rem) {
  .projects {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects > .project--wide {
    grid-column: span 2;
  }
}

.project {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-color: color-mix(in oklab, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.35s ease, transform 0.4s var(--ease-out-quart);
}

.project::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(
    22rem 22rem at var(--mx, 50%) var(--my, 0%),
    color-mix(in oklab, var(--primary-500) 14%, transparent),
    transparent 68%
  );
}

.project:hover {
  border-color: color-mix(in oklab, var(--primary-500) 35%, var(--line));
  transform: translateY(-4px);
}

.project:hover::before {
  opacity: 1;
}

.project__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.project__title {
  font-size: clamp(1.375rem, 2.6vw, 1.75rem);
  font-weight: 500;
}

.project__status {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.project__status--live {
  color: #34d399;
  border-color: color-mix(in oklab, #34d399 35%, var(--line));
}

.project__text {
  margin-top: 0.875rem;
  color: var(--fg-muted);
  font-size: 0.9875rem;
  max-width: 46rem;
}

.project__tags {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project__link {
  margin-top: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--fg);
  width: fit-content;
}

.project__link span {
  position: relative;
}

.project__link span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background-color: var(--primary-500);
  scale: 0 1;
  transform-origin: right;
  transition: scale 0.4s var(--ease-out-expo);
}

.project__link:hover span::after {
  transform-origin: left;
  scale: 1 1;
}

.project__link svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--primary-400);
  transition: transform 0.3s var(--ease-out-quart);
}

.project__link:hover svg {
  transform: translate(2px, -2px);
}

/* =========================================================================
   Savoir-faire
   ========================================================================= */

.stack {
  display: grid;
  gap: 2rem;
}

@media (min-width: 48rem) {
  .stack {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 72rem) {
  .stack {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stack__group-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary-400);
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--line);
}

.stack__list {
  margin-top: 1rem;
  display: grid;
  gap: 0.625rem;
}

.stack__list li {
  font-size: 0.9375rem;
  color: var(--fg-muted);
}

/* =========================================================================
   Contact + pied de page
   ========================================================================= */

.contact {
  position: relative;
  text-align: center;
  padding-block: clamp(5rem, 12vw, 9rem);
  overflow: hidden;
}

.contact__glow {
  position: absolute;
  left: 50%;
  bottom: -14rem;
  translate: -50% 0;
  width: min(90vw, 48rem);
  aspect-ratio: 1;
  border-radius: var(--radius-full);
  background: radial-gradient(
    circle,
    color-mix(in oklab, var(--primary-600) 26%, transparent),
    transparent 65%
  );
  filter: blur(80px);
  pointer-events: none;
}

.contact__inner {
  position: relative;
  z-index: 1;
}

.contact__title {
  margin-top: 1.25rem;
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.contact__mail {
  display: inline-block;
  margin-top: 1.75rem;
  font-family: var(--font-title);
  font-size: clamp(1.125rem, 3vw, 1.875rem);
  color: var(--fg-muted);
  transition: color 0.3s ease;
}

.contact__mail:hover {
  color: var(--primary-300);
}

.contact__links {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--fg-subtle);
}

.footer__inner a:hover {
  color: var(--fg-muted);
}