/* ==========================================================================
   Omar Kahouach — Portfolio
   Design concept: a developer's case file. Projects are catalogued entries,
   the two flagship horror builds are the file's marked exhibits.
   ========================================================================== */

:root {
  --bg: #0b0d10;
  --bg-raised: #12151a;
  --panel: #14171b;
  --line: #262b30;
  --line-soft: #1c2025;
  --ink: #e8e4da;
  --muted: #8b9198;
  --muted-dim: #5d6469;
  --teal: #55b8ac;
  --teal-dim: #2f5b56;
  --crimson: #b3453a;
  --crimson-dim: #5c2620;
  --amber: #d9a13d;
  --amber-dim: #6b5324;
  --violet: #9b8de0;
  --violet-dim: #453f6e;
  --sky: #6fb3d9;
  --sky-dim: #2c4a5c;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Newsreader", Georgia, serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --container: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; max-width: 62ch; }

a { color: inherit; }

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

::selection { background: var(--teal-dim); color: #fff; }

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

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- Ticker (something special) ---------- */
.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(85,184,172,0.10), rgba(179,69,58,0.10));
  overflow: hidden;
  padding: 14px 0;
}

.ticker-track {
  display: flex;
  gap: 40px;
  width: max-content;
  animation: ticker-scroll 32s linear infinite;
}

.ticker:hover .ticker-track { animation-play-state: paused; }

.ticker-item {
  display: flex;
  align-items: center;
  gap: 40px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.ticker-item span.word { color: var(--ink); }
.ticker-item span.dot { font-size: 0.7rem; }
.ticker-item:nth-of-type(5n+1) span.dot { color: var(--teal); }
.ticker-item:nth-of-type(5n+2) span.dot { color: var(--crimson); }
.ticker-item:nth-of-type(5n+3) span.dot { color: var(--amber); }
.ticker-item:nth-of-type(5n+4) span.dot { color: var(--violet); }
.ticker-item:nth-of-type(5n+5) span.dot { color: var(--sky); }

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Scroll reveal (a bit of life) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Section heading pattern ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  color: var(--ink);
}

.section-head .tag { white-space: nowrap; }

section { padding: 96px 0; }

/* ---------- Header / nav ---------- */
header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 13, 16, 0.86);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-soft);
}

header.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
}

nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

nav a:hover { color: var(--teal); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1;
  padding: 7px 11px;
  cursor: pointer;
}

.nav-toggle:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 900px 600px at 15% 20%, rgba(85,184,172,0.10), transparent 60%),
    radial-gradient(ellipse 700px 500px at 85% 80%, rgba(179,69,58,0.09), transparent 60%);
}

.hero-cursor-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle 260px at var(--mx, 50%) var(--my, 40%), rgba(85,184,172,0.10), transparent 70%);
  transition: background-position 0.1s ease;
}

.hero-grain {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 22px;
}

.hero-eyebrow .rec {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--crimson);
  animation: blink-rec 2.4s ease-in-out infinite;
}

@keyframes blink-rec {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--ink);
  margin-bottom: 18px;
}

.hero h1 em {
  font-style: normal;
  color: var(--teal);
}

.hero-lede {
  font-family: var(--font-body);
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px 22px;
  border: 1px solid var(--teal);
  color: var(--teal);
  text-decoration: none;
  background: transparent;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn:hover { background: var(--teal); color: #06100f; }

.btn.solid {
  background: var(--teal);
  color: #06100f;
}

.btn.solid:hover { background: #6fcabd; }

.btn.quiet {
  border-color: var(--line);
  color: var(--muted);
}

.btn.quiet:hover {
  border-color: var(--muted);
  color: var(--ink);
  background: transparent;
}

.socials {
  display: flex;
  gap: 20px;
}

.socials a {
  color: var(--muted);
  font-size: 1.3rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.socials a:hover { color: var(--teal); }

.hero-manifest {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px 24px;
}

.hero-manifest .m-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
}

.hero-manifest .m-row:last-child { border-bottom: none; }

.hero-manifest .m-row span:first-child { color: var(--muted-dim); }
.hero-manifest .m-row span:last-child { color: var(--ink); text-align: right; }

/* ---------- Featured work (case exhibits) ---------- */
.exhibit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
}

.exhibit:not(:last-child) { border-bottom: 1px solid var(--line-soft); }

.exhibit.flip .exhibit-media { order: 2; }
.exhibit.flip .exhibit-body { order: 1; }

.exhibit-media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg-raised);
}

.exhibit-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.exhibit-media .exhibit-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: 2px;
  background: rgba(11, 13, 16, 0.85);
  border: 1px solid var(--crimson);
  color: var(--crimson);
}

.exhibit-case {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-dim);
  margin-bottom: 10px;
  display: block;
}

.exhibit-body h3 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: var(--ink);
}

.exhibit-body > .tag {
  display: block;
  margin-bottom: 16px;
}

.exhibit-body p {
  color: var(--muted);
  font-size: 1.05rem;
}

.exhibit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 24px;
}

.exhibit-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 4px 9px;
  border-radius: 2px;
}

.exhibit-links { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- About (profile fields) ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}

.about-photo {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--panel);
}

.about-photo img { width: 100%; height: 100%; object-fit: cover; }

.profile-field {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.profile-field:first-child { padding-top: 0; }

.profile-field dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted-dim);
  padding-top: 3px;
}

.profile-field dd {
  margin: 0;
  color: var(--ink);
  font-size: 1.05rem;
}

.profile-field dd .accent { color: var(--teal); }

dl.profile-fields { margin: 0; }

.error-panel {
  border: 1px solid var(--crimson-dim);
  background: var(--panel);
  border-radius: 4px;
  padding: 22px 24px;
  grid-column: 1 / -1;
}

.error-panel .tag {
  display: block;
  color: var(--crimson);
  margin-bottom: 8px;
}

.error-panel p {
  color: var(--muted);
  margin: 0;
  max-width: none;
}

/* ---------- Skills (equipment tags) ---------- */
.skills-section h2 { margin-bottom: 6px; }

.skills-scroll {
  width: 100%;
  overflow: hidden;
  position: relative;
  margin-top: 40px;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
}

.skills-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: scroll 46s linear infinite;
}

.skills-scroll:hover .skills-track { animation-play-state: paused; }

.skill-card {
  flex: 0 0 auto;
  width: 148px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--card-accent, var(--teal));
  border-radius: 4px;
  padding: 18px 14px;
  text-align: left;
  background: var(--panel);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-accent, var(--teal));
}

.skill-card:nth-child(5n+1) { --card-accent: var(--teal); }
.skill-card:nth-child(5n+2) { --card-accent: var(--crimson); }
.skill-card:nth-child(5n+3) { --card-accent: var(--amber); }
.skill-card:nth-child(5n+4) { --card-accent: var(--violet); }
.skill-card:nth-child(5n+5) { --card-accent: var(--sky); }

.skill-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
}

.skill-icon img { width: 100%; height: 100%; object-fit: contain; }

.skill-name {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink);
  margin: 0 0 4px;
}

.skill-description {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted-dim);
  margin: 0;
  line-height: 1.4;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Projects grid (case files) ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.project-card {
  border: 1px solid var(--line);
  border-left-width: 4px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

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

.project-card.c-teal { border-left-color: var(--teal-dim); }
.project-card.c-teal .case-no { color: var(--teal); }
.project-card.c-amber { border-left-color: var(--amber-dim); }
.project-card.c-amber .case-no { color: var(--amber); }
.project-card.c-violet { border-left-color: var(--violet-dim); }
.project-card.c-violet .case-no { color: var(--violet); }
.project-card.c-sky { border-left-color: var(--sky-dim); }
.project-card.c-sky .case-no { color: var(--sky); }

.project-card.is-featured { border-left-color: var(--crimson); border-color: var(--crimson-dim); }

.project-card .thumb {
  position: relative;
  display: block;
}

.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.project-card .thumb-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 13, 16, 0.72);
  opacity: 0;
  transition: opacity 0.2s ease;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  gap: 8px;
}

.project-card:hover .thumb-overlay { opacity: 1; }

.project-card.c-teal .thumb-overlay { color: var(--teal); }
.project-card.c-amber .thumb-overlay { color: var(--amber); }
.project-card.c-violet .thumb-overlay { color: var(--violet); }
.project-card.c-sky .thumb-overlay { color: var(--sky); }
.project-card.is-featured .thumb-overlay { color: var(--crimson); }

.project-content, .project-info {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.case-no {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted-dim);
  margin-bottom: 8px;
}

.project-card.is-featured .case-no { color: var(--crimson); }

.project-content h3, .project-info h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--ink);
}

.project-content p, .project-info p {
  font-size: 0.92rem;
  color: var(--muted);
  flex: 1;
  margin-bottom: 16px;
  max-width: none;
}

.btn-link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-dim);
  padding-bottom: 2px;
}

.btn-link:hover { border-color: var(--teal); }

.more-projects-btn { margin-top: 48px; text-align: center; }

.back-btn {
  display: inline-block;
  margin: 56px auto 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
}

.back-btn:hover { color: var(--teal); }

/* full projects page header */
.projects-page header.page-head {
  padding: 140px 0 40px;
  border-bottom: 1px solid var(--line);
}

.projects-page header.page-head h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.projects-page .page-head .tag { display: block; margin-bottom: 14px; }

/* ---------- Contact ---------- */
.contact-section .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 13px 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  outline: none;
  resize: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--muted-dim); }

.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--teal); }

.contact-form button {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px 26px;
  background: var(--teal);
  border: none;
  border-radius: 3px;
  color: #06100f;
  cursor: pointer;
}

.contact-form button:hover { background: #6fcabd; }

.contact-info {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-info i { color: var(--teal); margin-right: 10px; width: 16px; }

.success { color: var(--teal); font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 15px; }
.error { color: var(--crimson); font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 15px; }

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
}

footer.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

footer.site-footer .tag { color: var(--muted-dim); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-manifest { order: 2; }
  .exhibit, .exhibit.flip { grid-template-columns: 1fr; }
  .exhibit.flip .exhibit-media, .exhibit.flip .exhibit-body { order: initial; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 280px; }
  .contact-section .wrap { grid-template-columns: 1fr; }

  .nav-toggle { display: block; }

  nav ul {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 32px 16px;
  }

  nav ul.is-open { display: flex; }

  nav ul li { padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
  nav ul li:last-child { border-bottom: none; }
  nav a { font-size: 0.9rem; }

  section { padding: 64px 0; }
}