/* 05 — HEADER */

.c-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--c-bg-1);
  border-block-end: var(--line) solid var(--c-border);
}

/* --- En-tête pendant l'ouverture du tiroir --- */
.is-locked .c-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;

  border-block-end-width: var(--line-thick);
}

body.is-locked {
  padding-block-start: var(--lock-offset, 0px);
}

.c-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
}

/* --- Logo --- */

.c-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
  letter-spacing: var(--ls-tight);
  color: var(--c-text);
}

.c-logo img,
.c-logo svg {
  height: 2rem;
  width: auto;
}

.c-logo__mark {
  color: var(--c-accent-1);
}

/* --- Navigation desktop --- */

.c-nav {
  display: none;
}

.c-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.c-nav__link {
  position: relative;
  display: inline-block;
  padding-block: var(--space-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text);
  transition: color var(--dur-base) var(--ease-out);
}

.c-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: var(--line);
  background-color: var(--c-accent-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}

.c-nav__link:hover,
.c-nav__link:focus-visible,
.c-nav__link[aria-current="true"] {
  color: var(--c-accent-1);
}

.c-nav__link:hover::after,
.c-nav__link:focus-visible::after,
.c-nav__link[aria-current="true"]::after {
  transform: scaleX(1);
}

/* --- Actions --- */

.c-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.c-header__actions .c-btn {
  min-height: 2.5rem;
  padding: var(--space-2) var(--space-5);
  font-size: var(--fs-xs);
}

.c-header__cv {
  display: none;
}

/* --- Variante sans navigation --- */

.c-header--solo .c-header__cv {
  display: inline-flex;
}

.c-header--solo .c-header__actions .c-btn {
  min-height: 2.75rem;
}

/* --- Burger --- */

.c-burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: var(--line) solid var(--c-accent-1);
  border-radius: 50%;
  color: var(--c-accent-1);
  transition: background-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}

.c-burger:hover,
.c-burger:focus-visible {
  background-color: var(--c-accent-1);
  color: var(--c-on-accent);
}

.c-burger__box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-1);
  width: 1rem;
  height: 1rem;
}

.c-burger__bar {
  display: block;
  height: var(--line-thick);
  width: 100%;
  background-color: currentColor;
  transition: transform var(--dur-base) var(--ease-out),
    opacity var(--dur-fast) var(--ease-out);
}

.c-burger[aria-expanded="true"] .c-burger__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.c-burger[aria-expanded="true"] .c-burger__bar:nth-child(2) {
  opacity: 0;
}

.c-burger[aria-expanded="true"] .c-burger__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* --- Drawer mobile --- */

.c-drawer {
  --drawer-label: clamp(1.75rem, 1.40rem + 1.5vw, 3rem);
  --mark-w: min(100vw, 46dvh);

  --mark-visible: 0.35;

  --rings-scale: 3.2;

  --drawer-line: color-mix(in srgb, var(--c-accent-1) 14%, transparent);

  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: var(--z-drawer);
  overflow: hidden;
  background-color: var(--c-bg-1);
  transform: translateY(-100%);
  visibility: hidden;
  transition: transform var(--dur-slow) var(--ease-out),
    visibility 0s linear var(--dur-slow);
}

.c-drawer[data-open="true"] {
  transform: translateY(0);
  visibility: visible;
  transition: transform var(--dur-slow) var(--ease-out),
    visibility 0s;
}

.c-drawer__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding-block: var(--space-6) calc(var(--mark-w) * (var(--mark-visible) + 0.05) + var(--space-6));
  padding-inline: var(--gutter);
}

.c-drawer__mark {
  position: absolute;
  z-index: 0;
  inset-block-end: 0;
  inset-inline-start: 50%;
  width: var(--mark-w);
  aspect-ratio: 1;
  transform: translate(-50%, calc((1 - var(--mark-visible)) * 100%));
  pointer-events: none;
}

.c-drawer__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--c-accent-1);
  -webkit-mask: var(--mark-url) center / contain no-repeat;
  mask: var(--mark-url) center / contain no-repeat;
}

.c-drawer__mark::before {
  content: "";
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  width: calc(var(--rings-scale) * 100%);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  background-image: repeating-radial-gradient(circle closest-side at 50% 50%,
      transparent 0 calc(10% - 1px),
      var(--drawer-line) calc(10% - 1px) 10%);
  -webkit-mask-image: radial-gradient(circle closest-side,
      transparent 0 calc(100% / var(--rings-scale)),
      #000 calc(100% / var(--rings-scale) + 1%),
      transparent 100%);
  mask-image: radial-gradient(circle closest-side,
      transparent 0 calc(100% / var(--rings-scale)),
      #000 calc(100% / var(--rings-scale) + 1%),
      transparent 100%);
}

/* --- Bandeau du tiroir --- */

.c-drawer__bar {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding-block: clamp(var(--space-4), 3dvh, var(--space-8)) clamp(var(--space-4), 3dvh, var(--space-8));
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text-dim);
}

.c-drawer__tag {
  color: var(--c-accent-1);
  flex: 0 0 auto;
}

.c-drawer__baseline {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c-drawer__baseline::before {
  content: "· ";
}

.c-drawer__count {
  margin-inline-start: auto;
  flex: 0 0 auto;
  font-size: var(--fs-2xs);
}

/* --- Liste des sections --- */

.c-drawer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-block-start: var(--line) solid var(--c-border);
}

.c-drawer__item {
  border-block-end: var(--line) solid var(--c-border);
}

.c-drawer__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding-block: clamp(var(--space-2), 1.2dvh, var(--space-5));
  color: var(--c-text);
  transition: color var(--dur-base) var(--ease-out);
}

.c-drawer__index {
  flex: 0 0 auto;
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-accent-2);
}

.c-drawer__label {
  min-width: 0;
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: var(--drawer-label);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
}

.c-drawer__arrow {
  margin-inline-start: auto;
  flex: 0 0 auto;
  color: var(--c-text-dim);
  transition: transform var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}

.c-drawer__link:hover,
.c-drawer__link:focus-visible,
.c-drawer__link[aria-current="true"] {
  color: var(--c-accent-1);
}

.c-drawer__link:hover .c-drawer__arrow,
.c-drawer__link:focus-visible .c-drawer__arrow,
.c-drawer__link[aria-current="true"] .c-drawer__arrow {
  color: var(--c-accent-1);
  transform: translateX(var(--space-2));
}

/* --- Pied du tiroir --- */

.c-drawer__foot {
  margin-block-start: auto;
  padding-block-start: clamp(var(--space-6), 4dvh, var(--space-10));
  text-align: center;
}

.c-drawer__mail {
  display: inline-block;
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: var(--fs-xl);
  line-height: 1.2;
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
  color: var(--c-text);
  overflow-wrap: anywhere;
  transition: color var(--dur-base) var(--ease-out);
}

.c-drawer__mail:hover,
.c-drawer__mail:focus-visible {
  color: var(--c-accent-1);
}

.c-drawer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-start: clamp(var(--space-4), 3dvh, var(--space-6));
}

.c-drawer__actions .c-btn {
  flex: 1 1 auto;
  justify-content: center;
}

/* --- Entrée échelonnée --- */

.c-drawer__item,
.c-drawer__foot {
  opacity: 0;
  transform: translateY(var(--space-4));
  transition: opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.c-drawer[data-open="true"] .c-drawer__item,
.c-drawer[data-open="true"] .c-drawer__foot {
  opacity: 1;
  transform: translateY(0);
}

.c-drawer[data-open="true"] .c-drawer__item:nth-child(1) {
  transition-delay: 140ms;
}

.c-drawer[data-open="true"] .c-drawer__item:nth-child(2) {
  transition-delay: 200ms;
}

.c-drawer[data-open="true"] .c-drawer__item:nth-child(3) {
  transition-delay: 260ms;
}

.c-drawer[data-open="true"] .c-drawer__item:nth-child(4) {
  transition-delay: 320ms;
}

.c-drawer[data-open="true"] .c-drawer__item:nth-child(5) {
  transition-delay: 380ms;
}

.c-drawer[data-open="true"] .c-drawer__item:nth-child(n + 6) {
  transition-delay: 440ms;
}

.c-drawer[data-open="true"] .c-drawer__foot {
  transition-delay: 440ms;
}

@media (prefers-reduced-motion: reduce) {

  .c-drawer[data-open="true"] .c-drawer__item,
  .c-drawer[data-open="true"] .c-drawer__foot {
    transition-delay: 0s !important;
  }
}

/* PALIERS */

@media (min-width: 768px) {
  .c-logo {
    font-size: var(--fs-xl);
  }

  .c-header--solo .c-header__actions .c-btn {
    padding: var(--space-2) clamp(1rem, 0.7rem + 1.5vw, 1.5rem);
  }

  .c-drawer__bar {
    font-size: var(--fs-xs);
  }

  .c-drawer__count {
    font-size: var(--fs-xs);
  }

  .c-drawer__inner {
    max-width: 34rem;
    margin-inline: auto;
  }
}

@media (min-width: 1200px) {
  .c-nav {
    display: block;
  }

  .c-header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-8);
  }

  .c-header__actions {
    justify-self: end;
  }

  .c-header__cv {
    display: inline-flex;
  }

  .c-burger,
  .c-drawer {
    display: none;
  }

  .c-header--solo .c-header__inner {
    display: flex;
    grid-template-columns: none;
    gap: var(--space-4);
  }
}