/* ==========================================================================
   Hadiyatoulah — portfolio
   Palette : bleu nuit + or / braise (charte docs). Signature : motif tissé.
   ========================================================================== */

:root {
  --bg: #0a1420;
  --bg-raise: #101f31;
  --bg-sunken: #071019;
  --ink: #e9edf4;
  --ink-soft: #97a6bb;
  --line: rgba(233, 237, 244, 0.11);
  --gold: #e0a43c;
  --gold-soft: rgba(224, 164, 60, 0.14);
  --ember: #d96c3f;
  --ok: #5fb98a;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Albert Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container: 68rem;
  --radius: 10px;
}

:root[data-theme='light'] {
  --bg: #f4f6f9;
  --bg-raise: #ffffff;
  --bg-sunken: #e8ecf2;
  --ink: #14243a;
  --ink-soft: #51617a;
  --line: rgba(20, 36, 58, 0.13);
  --gold: #a97614;
  --gold-soft: rgba(169, 118, 20, 0.12);
  --ember: #b8532a;
  --ok: #22794f;
}

/* --- Base ---------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}

p { margin: 0 0 1em; }

a { color: inherit; }

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

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--gold); color: #0a1420; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Libellé technique récurrent (eyebrows, méta, chips) */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.section { padding-block: 2.75rem; }

.section-head { margin-bottom: 1.75rem; }

.section-head h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin: 0.35em 0 0;
}

/* --- Header / nav --------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand em {
  font-style: normal;
  color: var(--gold);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] { color: var(--gold); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.theme-toggle:hover { border-color: var(--gold); }

.theme-toggle .icon-sun { display: none; }
:root[data-theme='light'] .theme-toggle .icon-sun { display: block; }
:root[data-theme='light'] .theme-toggle .icon-moon { display: none; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-burger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s, opacity 0.25s;
}

@media (max-width: 44rem) {
  .nav-burger { display: flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
    gap: 1.1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    display: none;
  }

  .site-header.nav-open .site-nav { display: flex; }
  .site-header.nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
  .site-header.nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* --- Messages flash -------------------------------------------------------- */

.flash-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: min(92vw, 30rem);
}

.flash {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--gold);
  background: var(--bg-raise);
  color: var(--ink);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.flash.success { border-color: var(--ok); }

/* --- Héros ----------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 10vw, 7.5rem) clamp(3rem, 7vw, 5rem);
}

.hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 4rem);
  font-weight: 700;
  margin: 0.5em 0 0.4em;
}

.hero h1 .accent { color: var(--gold); }

.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--gold);
  transition: transform 0.15s, background 0.2s, color 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn--solid {
  background: var(--gold);
  color: #0a1420;
  font-weight: 600;
}

.btn--ghost { color: var(--gold); }

.btn--ghost:hover { background: var(--gold-soft); }

/* Fils de trame — signature tissage */
.weave {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(8px, 1.4vw, 14px);
  height: clamp(14rem, 30vw, 20rem);
}

.weave i {
  display: block;
  width: clamp(14px, 2.4vw, 26px);
  border-radius: 999px;
  transform-origin: bottom;
  animation: thread 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.13) 0 3px,
    transparent 3px 9px
  );
}

.weave i:nth-child(1) { height: 58%; background-color: var(--gold); animation-delay: 0.05s; }
.weave i:nth-child(2) { height: 86%; background-color: var(--bg-raise); border: 1px solid var(--line); animation-delay: 0.12s; }
.weave i:nth-child(3) { height: 70%; background-color: var(--ember); animation-delay: 0.2s; }
.weave i:nth-child(4) { height: 100%; background-color: var(--gold); animation-delay: 0.28s; }
.weave i:nth-child(5) { height: 64%; background-color: var(--bg-raise); border: 1px solid var(--line); animation-delay: 0.36s; }
.weave i:nth-child(6) { height: 90%; background-color: var(--gold); animation-delay: 0.44s; }
.weave i:nth-child(7) { height: 48%; background-color: var(--ember); animation-delay: 0.52s; }

@keyframes thread {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@media (max-width: 56rem) {
  .hero .container { grid-template-columns: 1fr; }
  .weave { height: 9rem; order: -1; justify-content: flex-start; }
}

/* Compteurs */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.stat .stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  display: block;
  line-height: 1;
}

.stat .stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* --- Ruban-mantra ----------------------------------------------------------- */

.mantra {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--bg-sunken);
  padding-block: 0.85rem;
}

.mantra-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: mantra-scroll 28s linear infinite;
}

.mantra-track span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--ink-soft);
  padding-inline: 0.5rem;
}

.mantra-track span b {
  color: var(--gold);
  font-weight: 500;
}

@keyframes mantra-scroll {
  to { transform: translateX(-50%); }
}

/* --- Cartes projet ----------------------------------------------------------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
  gap: 1.25rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.5rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.2s, border-color 0.2s;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.project-card .card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.project-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.project-card .tagline {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0;
  flex-grow: 1;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  white-space: nowrap;
}

.badge--production { color: var(--ok); border-color: var(--ok); }
.badge--development { color: var(--gold); border-color: var(--gold); }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  background: var(--gold-soft);
  color: var(--ink);
  text-decoration: none;
}

a.chip:hover, .chip.active {
  background: var(--gold);
  color: #0a1420;
}

.section-foot { margin-top: 2rem; }

.link-more {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold);
  text-decoration: none;
}

.link-more:hover { text-decoration: underline; }

/* --- Compétences ---------------------------------------------------------- */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.25rem;
}

.skill-block {
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raise);
}

.skill-block h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

/* --- Timeline expérience ---------------------------------------------------- */

.timeline {
  position: relative;
  padding-left: 1.6rem;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 2.5rem;
}

.timeline-item { position: relative; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1.6rem - 5.5px);
  top: 0.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--gold-soft);
}

.timeline-item .period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.timeline-item h3 {
  font-size: 1.15rem;
  margin: 0.3em 0 0.2em;
}

.timeline-item .place {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 0.6rem;
}

.timeline-item ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.timeline-item li { margin-bottom: 0.3rem; }

/* --- Contact ----------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 3rem;
}

@media (max-width: 52rem) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info p { color: var(--ink-soft); }

.contact-lines {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.contact-lines li {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
}

.contact-lines .kicker { min-width: 5.5rem; }

.contact-lines a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.contact-lines a:hover { color: var(--gold); }

.contact-form { display: grid; gap: 1rem; }

.contact-form .field { display: grid; gap: 0.35rem; }

.contact-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 36rem) {
  .contact-form .row { grid-template-columns: 1fr; }
}

.contact-form label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  width: 100%;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 0;
  border-color: transparent;
}

.contact-form .errorlist {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--ember);
  font-size: 0.85rem;
}

.contact-form .btn { justify-self: start; }

/* --- Pied de page --------------------------------------------------------------- */

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

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer a:hover { color: var(--gold); }

/* --- Page projets / détail -------------------------------------------------------- */

.page-head { padding-block: 3.5rem 2rem; }

.page-head h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.4rem;
}

.project-hero { padding-block: 3.5rem 1rem; }

.project-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  max-width: 22ch;
}

.meta-table {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, max-content));
  gap: 1.2rem 3rem;
  padding: 1.4rem 0;
  margin-block: 1.5rem;
  border-block: 1px solid var(--line);
}

.meta-table .value { font-size: 0.98rem; }

.project-body {
  max-width: 44rem;
  padding-bottom: 4rem;
}

.project-body .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

/* --- Apparition au défilement ------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* --- Mouvement réduit ------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .weave i { animation: none; }
  .mantra-track { animation: none; }
  .btn:hover, .project-card:hover { transform: none; }
}