/* The usual reset ceremony. */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* Dark. That is the mood. */
body {
  background: #1a1a1a;
  color: #fff;
  font-family: 'Times New Roman', Times, serif;
  font-size: 22px;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 3rem calc(2.5rem + env(safe-area-inset-bottom, 0px));
  -webkit-font-smoothing: antialiased;
  cursor: default;
  overflow: hidden;
  /* Remove tap highlight on iOS */
  -webkit-tap-highlight-color: transparent;
}

/* Remove focus boxes/outlines across the site. */
:focus,
:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}

/* Skip to main: hidden until :focus (keyboard) */
.skip-link {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 10000;
  padding: 0.45rem 0.9rem;
  background: #1a1a1a;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
  font-family: 'Times New Roman', Times, serif;
  transform: translateY(-100%);
  transition: transform 0.2s ease, color 0.2s ease;
}
.skip-link:focus {
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .skip-link {
    transition: none;
  }
}

/* Section h1: programmatic focus from routing */
.about-title:focus {
  outline: none;
}
.about-title:focus-visible {
  box-shadow: none;
  border-radius: 0;
}

/* Fade in. Slowly enough to feel deliberate. */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes underlineSwoosh {
  0%   { transform: scaleX(0); }
  50%  { transform: scaleX(1); }
  100% { transform: scaleX(0); }
}
@keyframes underlineIn {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
@keyframes underlineOut {
  from { transform: scaleX(1); }
  to   { transform: scaleX(0); }
}
.name-box {
  animation: fadeIn 1.8s cubic-bezier(0.7, 0, 0.3, 1) both;
  animation-delay: 0s;
}
.name-box.is-entering::after {
  animation: underlineSwoosh 1.8s cubic-bezier(0.7, 0, 0.3, 1) 0.4s forwards;
}
.name-box.underline-in::after {
  animation: underlineIn 0.7s cubic-bezier(.77, 0, .175, 1) forwards;
}
.name-box.underline-out::after {
  animation: underlineOut 0.7s cubic-bezier(.77, 0, .175, 1) forwards;
}
header, footer {
  animation: fadeIn 1.05s cubic-bezier(0.7, 0, 0.3, 1) both;
  animation-delay: 1.3s;
}

@media (prefers-reduced-motion: reduce) {
  header, footer, .name-box {
    animation: none;
    opacity: 1;
  }
}

/* Header. Name, nav, contact. */
header {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  position: relative;
  z-index: 2;
}
.nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-start;
  position: relative;
}
.nav-link {
  color: #fff;
  text-decoration: none;
  font-size: 22px;
  cursor: pointer;
  transition: color 0.4s ease;
}
button.nav-link {
  background: none;
  border: none;
  font: inherit;
  padding: 0;
  text-align: left;
  width: auto;
  -webkit-appearance: none;
  appearance: none;
}
.nav-link:hover,
.nav-link:active {
  color: red;
}
.nav-link.active {
  color: red;
  cursor: pointer;
}
.nav-link.active:hover {
  color: red;
}
.contact-panel[hidden] {
  display: none;
}
.contact-panel {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.4rem;
  padding: 0 0 0.25rem 0.05rem;
}
.contact-link {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  font-size: 16px;
  line-height: 1.4;
  transition: color 0.4s ease;
}
.contact-link:hover,
.contact-link:active {
  color: red;
}
.center {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Home. Just a name. Anything more would be bragging. */
.home-view {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  padding-bottom: 18vh;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.home-view.hidden {
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
}

/* Avoid flicker on hard refresh: disable transitions during initial boot only. */
.booting .home-view,
.booting .about-view,
.booting .experience-view,
.booting .projects-view,
.booting .interests-view {
  transition: none !important;
}
.name-box {
  text-decoration: none;
  color: #fff;
  font-size: 22px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-family: 'Times New Roman', Times, serif;
  font-weight: normal;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0 0 0 0.35em;
  transition: color 0.4s ease;
  position: relative;
}
.name-box::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: red;
  transform: scaleX(0);
  transform-origin: left;
}
.name-box:hover {
  color: #fff;
}

/* Four views, one stylesheet. DRY enough. */
.about-view,
.experience-view,
.projects-view,
.interests-view {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transform: translate3d(100%, 0, 0);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, opacity;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.about-view.visible,
.experience-view.visible,
.projects-view.visible,
.interests-view.visible {
  transform: translate3d(0, 0, 0);
  opacity: 1;
  pointer-events: auto;
  overflow: hidden;
}
.about-view::before,
.experience-view::before,
.projects-view::before,
.interests-view::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3rem;
  background: linear-gradient(to bottom, #1a1a1a, transparent);
  pointer-events: none;
  z-index: 1;
}
.about-view::after,
.experience-view::after,
.projects-view::after,
.interests-view::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 5rem;
  background: linear-gradient(to bottom, transparent, #1a1a1a);
  pointer-events: none;
  z-index: 1;
}
.about-title {
  font-size: 30px;
  font-weight: 400;
  margin-bottom: 0.4rem;
}
.about-updated {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 2rem;
}
.about-content {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  padding: 2rem 1rem 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}
.about-content::-webkit-scrollbar {
  width: 4px;
}
.about-content::-webkit-scrollbar-track {
  background: transparent;
}
.about-content::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
}
.about-content > * {
  width: 100%;
  max-width: 1100px;
}
.about-content p {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255,255,255,0.8);
  margin-bottom: 1.2rem;
}
.about-content p:last-child {
  margin-bottom: 0;
}

/* Projects. Finished side quests. */
.projects-list {
  list-style: none;
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.project-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease;
}
.project-item:hover {
  transform: translateY(-3px);
}
.project-item.pending {
  cursor: not-allowed;
}
.project-item.pending:hover {
  transform: none;
}
.project-thumb-wrap {
  flex: 0 0 min(42%, 440px);
  width: min(42%, 440px);
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.project-item:hover .project-thumb-wrap {
  border-color: rgba(255,255,255,0.25);
}
.project-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, transparent 48%, rgba(201,169,97,0.28) 49%, rgba(201,169,97,0.28) 51%, transparent 52%) 0 38% / 100% 1px no-repeat,
    linear-gradient(150deg, #f6edd8 0%, #ede3c8 100%);
}
.project-placeholder::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(201,169,97,0.38);
  border-radius: 6px;
  pointer-events: none;
}
.project-placeholder-copy {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding-top: 1.3rem;
  text-align: center;
}
.project-placeholder-title {
  font-family: 'Times New Roman', Times, serif;
  font-size: 58px;
  font-weight: 600;
  line-height: 1;
  color: #2c3e6b;
  letter-spacing: 0;
}
.project-placeholder-fa {
  font-family: 'Vazirmatn', Tahoma, Arial, sans-serif;
  font-size: 27px;
  line-height: 1.55;
  font-weight: 400;
  color: rgba(44,62,107,0.72);
}
.project-info {
  flex: 1;
  padding: 0;
}
.project-title {
  font-size: 25px;
  line-height: 1.25;
  color: rgba(255,255,255,0.9);
  transition: color 0.3s ease;
}
.project-title .project-sub {
  display: block;
  margin-top: 0.25rem;
  font-size: 18px;
  line-height: 1.3;
  color: rgba(255,255,255,0.4);
}
.project-item:hover .project-title {
  color: red;
}
.project-item:hover .project-title .project-sub {
  color: rgba(255,255,255,0.4);
}

/* Experience. Resume-adjacent. */
.exp-list {
  list-style: none;
  margin-top: 0;
}
.exp-item {
  display: block;
  padding: 0.75rem 0 1.25rem;
  cursor: pointer;
}
.exp-list li:first-child .exp-item {
  border-top: none;
}
.exp-title {
  font-size: 19px;
  line-height: 1.5;
  color: rgba(255,255,255,0.9);
  transition: color 0.3s ease;
}
.exp-title .exp-sub {
  color: rgba(255,255,255,0.4);
}
.exp-item:hover .exp-title {
  color: red;
}
.exp-item:hover .exp-title .exp-sub {
  color: rgba(255,255,255,0.4);
}
.exp-desc {
  max-height: 10rem;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  opacity: 1;
}
.exp-item.closed .exp-desc {
  max-height: 0;
  opacity: 0;
}
.exp-desc p {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255,255,255,0.8);
  padding-top: 0.75rem;
}

.exp-section-label {
  font-size: 26px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  letter-spacing: normal;
  text-transform: none;
}
.exp-sub-line {
  font-size: 16px;
  color: rgba(255,255,255,0.4);
  margin-top: 0.2rem;
}
.edu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0 1.5rem;
}
.edu-logo {
  height: 90px;
  width: auto;
  opacity: 0.85;
  flex-shrink: 0;
  margin-left: 1.5rem;
}
.edu-list li:first-child .edu-item {
  border-top: none;
}
.edu-degree {
  font-size: 19px;
  line-height: 1.5;
  color: rgba(255,255,255,0.9);
}
.edu-school {
  font-size: 16px;
  color: rgba(255,255,255,0.45);
  margin-top: 0.35rem;
}

.backstory-toggle {
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
}
.toggle-text {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
}
.toggle-sep {
  font-family: 'Times New Roman', Times, serif;
  font-size: 14px;
  color: rgba(255,255,255,0.22);
  user-select: none;
}
.toggle-option {
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Times New Roman', Times, serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.42);
  padding: 0;
  transition: color 0.25s ease;
  user-select: none;
}
.toggle-option:hover {
  color: red;
}
.toggle-option.active {
  color: red;
}
#backstory-short, #backstory-long {
  transition: opacity 0.13s cubic-bezier(0.4, 0, 0.2, 1), transform 0.13s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}
#backstory-short.swoop-out, #backstory-long.swoop-out {
  opacity: 0;
  transform: translateX(-28px);
}
#backstory-short.swoop-in, #backstory-long.swoop-in {
  opacity: 0;
  transform: translateX(28px);
}

/* Interests. The part recruiters skim. */
.interests-section {
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}
.interests-heading {
  font-size: 22px;
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  margin-bottom: 1rem;
}
.interests-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
.interests-item {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.interests-item:hover {
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-3px);
}
.interests-grid--portrait .interests-item {
  aspect-ratio: 2 / 3;
}
.interests-grid--square .interests-item {
  aspect-ratio: 1 / 1;
}
.interests-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.interests-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  text-align: center;
  padding: 0.5rem;
}

/* Footer. Date and time — the two hardest things in computing. */
footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  position: relative;
  z-index: 2;
}
footer span {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}
/* Phones exist. */
@media (max-width: 600px) {
  body {
    padding: 1.75rem 1.5rem calc(1.75rem + env(safe-area-inset-bottom, 0px));
    font-size: 18px;
  }
  .nav-link {
    font-size: 18px;
  }
  .contact-link {
    font-size: 14px;
  }
  .projects-list {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .project-item {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }
  .project-thumb-wrap {
    flex-basis: auto;
    width: 100%;
  }
  .interests-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }
  .interests-heading { font-size: 18px; }
  .project-title { font-size: 19px; line-height: 1.5; }
  .project-title .project-sub { display: inline; margin-top: 0; font-size: inherit; line-height: inherit; }
  .exp-title { font-size: 17px; }
  .exp-desc p { font-size: 16px; }
  .about-title { font-size: 24px; }
  .project-placeholder-title { font-size: 42px; }
  .project-placeholder-fa { font-size: 19px; }
  .about-content { padding: 1rem 0.5rem 6rem; }
  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }
  footer span { font-size: 16px; }
}