/* ==========================================================================
   Jade Tercier — Portfolio one-page
   ========================================================================== */

:root {
  --color-orange: #FF6B00;
  --color-black: #111111;
  --color-white: #F5F5F0;
  --color-gray-light: #E8E8E8;
  --color-gray-border: #CCCCCC;
  --color-gray-text: #555555;

  --font-display: "Bely Display", Georgia, serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, sans-serif;

  --nav-height: 60px;
  --transition-fast: 0.25s ease;
  --transition-medium: 0.3s ease;
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

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

.star {
  color: var(--color-orange);
}

/* ---------- Sections (100vh) ---------- */
.section {
  min-height: 100vh;
  width: 100%;
  background: var(--color-white);
  scroll-margin-top: var(--nav-height);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.nav__logo-text {
  display: none;
  font-family: var(--font-body);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-orange);
  line-height: 1;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-black);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-black);
  transition: color var(--transition-fast);
}

.nav__links a:hover {
  color: var(--color-orange);
}

/* ==========================================================================
   SECTION 1 — HERO
   ========================================================================== */
.section--hero {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--nav-height) 24px 24px;
  box-sizing: border-box;
}

.hero__inner {
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero__headline {
  display: flex;
  flex-direction: column;
  width: max-content;
  max-width: 100%;
  min-height: calc(100dvh - var(--nav-height) - 48px);
}

.hero__title {
  display: block;
  width: 100%;
  margin: 0 0 20px;
  font-family: var(--font-body);
  font-size: clamp(56px, 9.5vw, 118px);
  font-weight: 700;
  line-height: 0.95;
  color: var(--color-black);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  white-space: nowrap;
  text-align: left;
}

/* Zone physique : chute des mots sur la ligne (pleine hauteur sous le titre) */
.hero__physics {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 28vh;
  margin-top: 4px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--color-black);
  touch-action: none;
}

.hero__floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--color-black);
  pointer-events: none;
  z-index: 1;
}

.hero__subtitle {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  margin: 0;
  padding: 0 0 8px;
  grid-template-columns: repeat(11, auto);
  justify-content: space-between;
  align-items: center;
  gap: 0;
  font-family: var(--font-display);
  font-size: clamp(10px, 1.05vw, 15px);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-black);
  line-height: 1.35;
  box-sizing: border-box;
}

.hero__subtitle.is-physics-active {
  display: block;
}

.hero__word,
.hero__star {
  display: inline-block;
  position: relative;
  will-change: transform;
  user-select: none;
  pointer-events: auto;
  cursor: grab;
  transform-origin: center bottom;
}

.hero__word:active,
.hero__star:active {
  cursor: grabbing;
}

.hero__star {
  color: var(--color-orange);
}

.hero__subtitle.is-physics-active .hero__word,
.hero__subtitle.is-physics-active .hero__star {
  transition: none;
}

.hero__word.is-resetting,
.hero__star.is-resetting {
  transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ==========================================================================
   SECTION 2 — PRÉSENTATION
   ========================================================================== */
.section--about {
  display: flex;
  align-items: stretch;
  border-bottom: 2px solid var(--color-black);
  min-height: 100vh;
}

.about__grid {
  display: grid;
  grid-template-columns: 60% 40%;
  width: 100%;
  min-height: calc(100vh - var(--nav-height));
  margin-top: var(--nav-height);
}

.about__text {
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about__title {
  font-family: var(--font-body);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 700;
  line-height: 1;
  margin: 0 0 32px;
  color: var(--color-black);
  text-transform: uppercase;
}

.about__bio {
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-black);
  margin: 0;
  max-width: 52ch;
  text-align: justify;
}

.about__bio p {
  margin: 0 0 16px;
}

.about__bio p:last-child {
  margin-bottom: 0;
}

.about__media {
  border-left: 2px solid var(--color-black);
  position: relative;
  overflow: hidden;
  min-height: 400px;
  background: var(--color-orange);
}

.about__portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: calc(100vh - var(--nav-height));
  filter: sepia(0.4) saturate(2.5) hue-rotate(-15deg) contrast(1.05);
  mix-blend-mode: multiply;
  background: var(--color-orange);
}

/* ==========================================================================
   SECTION 3 — PROJETS
   ========================================================================== */
.section--projects {
  min-height: 100vh;
  padding: calc(var(--nav-height) + 40px) 0 60px;
  position: relative;
  border-top: 2px solid var(--color-black);
}

.section--projects.is-cursor-active {
  cursor: none;
}

.projects__header {
  padding: 0 24px 32px;
  max-width: 1400px;
  margin: 0 auto;
}

.projects__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
}

.projects__filter {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-black);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.projects__filter:hover,
.projects__filter.is-active {
  color: var(--color-orange);
  border-bottom-color: var(--color-orange);
}

.projects__loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 24px;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-black);
}

.projects__loader[hidden] {
  display: none;
}

.projects__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-light);
  border-top-color: var(--color-orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 2px;
  padding: 0 2px;
  max-width: 100%;
}

.projects__grid[hidden] {
  display: none;
}

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--color-gray-light);
  min-height: 100%;
}

.project-card__link {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  color: inherit;
  text-decoration: none;
  border: 2px solid var(--color-black);
  position: relative;
  background: var(--color-white);
}

.project-card--featured {
  grid-column: span 2;
  grid-row: span 2;
}

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

.project-card--tall {
  grid-row: span 2;
}

.project-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--transition-medium);
}

.project-card:hover .project-card__image {
  opacity: 0.15;
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 1fr;
  padding: 14px 16px 18px;
  background: rgba(245, 245, 240, 0.94);
  opacity: 0;
  transition: opacity var(--transition-medium);
  pointer-events: none;
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__title {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-black);
  margin: 0;
  line-height: 1.2;
  justify-self: start;
  align-self: start;
}

.project-card__star {
  color: var(--color-orange);
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1;
  align-self: center;
  justify-self: center;
  margin: auto 0;
}

.project-card__desc {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-black);
  margin: 0;
  line-height: 1.55;
  text-align: left;
  align-self: end;
  justify-self: stretch;
}

.project-card--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-light);
  aspect-ratio: 1;
}

.project-card--placeholder span {
  font-size: 32px;
  color: var(--color-orange);
}

.project-card.is-hidden {
  display: none;
}

/* Custom cursor */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2000;
  pointer-events: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-orange);
  text-transform: uppercase;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}

.custom-cursor.is-visible {
  opacity: 1;
}

/* ==========================================================================
   SECTION 4 — PARCOURS
   ========================================================================== */
.section--parcours {
  display: flex;
  align-items: stretch;
  padding-top: var(--nav-height);
  border-top: 2px solid var(--color-black);
}

.parcours__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  min-height: calc(100vh - var(--nav-height));
}

.parcours__col {
  padding: 48px 40px;
  border-right: 1px solid var(--color-black);
}

.parcours__col--right {
  border-right: none;
}

.parcours__heading {
  font-family: var(--font-body);
  font-size: 32px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-black);
  margin: 0 0 40px;
  letter-spacing: 1px;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 28px 0 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 108px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-black);
}

.timeline::after {
  content: "▲";
  position: absolute;
  left: 102px;
  top: -2px;
  font-size: 14px;
  line-height: 1;
  color: var(--color-black);
}

.timeline__item {
  display: grid;
  grid-template-columns: 96px 24px 1fr;
  gap: 0 14px;
  align-items: start;
  margin-bottom: 36px;
  position: relative;
}

.timeline__axis {
  display: block;
  width: 2px;
  min-height: 1px;
}

.timeline__date {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-orange);
  text-align: right;
  padding-top: 2px;
  line-height: 1.3;
}

.timeline__title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-black);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.timeline__desc {
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-gray-text);
  margin: 0;
}

.timeline__desc p {
  margin: 0 0 8px;
}

/* ==========================================================================
   SECTION 5 — CONNAISSANCES
   ========================================================================== */
.section--skills {
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-height) + 48px) 80px 48px;
  border-top: 2px solid var(--color-black);
}

.skills__title {
  font-family: var(--font-body);
  font-size: 40px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-black);
  margin: 0 0 48px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-black);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 24px;
  flex: 1;
  align-content: start;
}

.skill {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  margin: 0 auto;
  padding: 16px;
  border: 1.5px solid var(--color-gray-border);
  border-radius: 12px;
  transition: filter var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.skill img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter var(--transition-fast), opacity var(--transition-fast);
}

.skill:hover {
  transform: scale(1.08);
  border-color: var(--color-orange);
}

.skill:hover img {
  filter: none;
  opacity: 1;
}

.skill--text span {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-black);
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter var(--transition-fast), opacity var(--transition-fast), color var(--transition-fast);
}

.skill--text:hover span {
  filter: none;
  opacity: 1;
  color: var(--color-orange);
}

.skill__wp {
  font-size: 28px;
  font-weight: 700;
}

/* ==========================================================================
   SECTION 6 — CONTACT
   ========================================================================== */
.section--contact {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--nav-height) 0 48px;
  border-top: 2px solid var(--color-black);
}

.contact__title {
  font-family: var(--font-body);
  font-size: 40px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-black);
  margin: 0 0 48px;
  padding-left: 80px;
}

.contact__center {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
}

.contact__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: min(500px, calc(100vw - 48px));
  height: 90px;
  border: 2px solid var(--color-black);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-body);
  font-size: clamp(16px, 2.5vw, 24px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--color-black);
  transition: background var(--transition-medium), color var(--transition-medium), border-color var(--transition-medium);
}

.contact__btn:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.contact__arrow {
  font-size: 1.2em;
}

/* ==========================================================================
   MOBILE
   ========================================================================== */
@media (max-width: 1100px) {
  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }

  .timeline::before {
    left: 78px;
  }

  .timeline::after {
    left: 72px;
  }

  .timeline__item {
    grid-template-columns: 68px 20px 1fr;
    gap: 0 10px;
  }
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-border);
    padding: 16px 24px 24px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-medium), opacity var(--transition-medium), visibility var(--transition-medium);
  }

  .nav.open .nav__links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav.open .nav__toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav.open .nav__toggle span:nth-child(2) {
    opacity: 0;
  }

  .nav.open .nav__toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav__links a {
    display: block;
    width: 100%;
    padding: 12px 0;
  }

  .hero__subtitle {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    row-gap: 12px;
    letter-spacing: 0.1em;
    font-size: 11px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    margin-top: var(--nav-height);
  }

  .about__media {
    order: -1;
    border-left: none;
    border-bottom: 2px solid var(--color-black);
    min-height: 50vh;
  }

  .about__portrait {
    min-height: 50vh;
  }

  .about__text {
    padding: 40px 24px;
  }

  .parcours__grid {
    grid-template-columns: 1fr;
  }

  .parcours__col {
    border-right: none;
    border-bottom: 1px solid var(--color-black);
    padding: 40px 24px;
  }

  .parcours__col--right {
    border-bottom: none;
  }

  .section--skills {
    padding: calc(var(--nav-height) + 32px) 24px 32px;
  }

  .contact__title {
    padding-left: 24px;
    font-size: 32px;
  }

  .contact__btn {
    height: 72px;
    letter-spacing: 2px;
  }

  .project-card--featured {
    grid-column: span 1;
    grid-row: span 1;
  }

  .section--projects.is-cursor-active {
    cursor: auto;
  }

  .custom-cursor {
    display: none !important;
  }
}

/* ==========================================================================
   PAGE PROJET (article)
   ========================================================================== */
.project-single {
  padding: calc(var(--nav-height) + 40px) 24px 80px;
  min-height: 100vh;
  background: var(--color-white);
}

.project-single__inner {
  max-width: 900px;
  margin: 0 auto;
}

.project-single__back a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-black);
  text-decoration: none;
}

.project-single__back a:hover {
  color: var(--color-orange);
}

.project-single__cats {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-orange);
  margin: 16px 0 8px;
}

.project-single__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  margin: 0 0 16px;
  color: var(--color-black);
}

.project-single__lede {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-gray-text);
  margin: 0 0 28px;
  max-width: 62ch;
}

.project-single__cover {
  margin: 0 0 32px;
  border: 2px solid var(--color-black);
  overflow: hidden;
}

.project-single__cover img {
  width: 100%;
  height: auto;
  display: block;
}

.project-single__meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
  margin: 0 0 36px;
  padding: 20px 0;
  border-top: 2px solid var(--color-black);
  border-bottom: 2px solid var(--color-black);
}

.project-single__meta dt {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-orange);
  margin-bottom: 6px;
}

.project-single__meta dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-black);
}

.project-single__link-btn {
  width: auto;
  height: auto;
  min-height: 48px;
  padding: 12px 20px;
  font-size: 12px;
  letter-spacing: 2px;
}

.project-single__content {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-black);
}

.project-single__content img {
  max-width: 100%;
  height: auto;
  margin: 24px 0;
}

.project-single__gallery {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 2px solid var(--color-black);
}

.project-single__gallery-title {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  margin: 0 0 20px;
}

.project-single__gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}

.project-single__gallery-grid img {
  width: 100%;
  height: auto;
  display: block;
}

.project-card__image--empty {
  min-height: 200px;
  background: var(--color-gray-light);
}

.timeline__empty {
  font-size: 13px;
  color: var(--color-gray-text);
  line-height: 1.6;
  margin: 0;
}