/* ─────────────────────────────────────────────
   Abdullah Akbar — Portfolio
   Editorial "ink & paper" theme
   ───────────────────────────────────────────── */

:root {
  --bg: #f2efe9;
  --bg-alt: #eae6dc;
  --card: #f7f5f0;
  --ink: #16140f;
  --ink-soft: #5e594b;
  --line: rgba(22, 20, 15, 0.16);
  --line-soft: rgba(22, 20, 15, 0.08);
  --accent: #cf4307;
  --accent-soft: rgba(207, 67, 7, 0.09);
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html.dark {
  --bg: #121110;
  --bg-alt: #181612;
  --card: #1a1814;
  --ink: #ece8dd;
  --ink-soft: #a59e8c;
  --line: rgba(236, 232, 221, 0.16);
  --line-soft: rgba(236, 232, 221, 0.07);
  --accent: #ff5c1f;
  --accent-soft: rgba(255, 92, 31, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

.mono {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

em { font-family: var(--serif); font-style: italic; }

.accent { color: var(--accent); }

.container {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

/* ── chrome: grain, progress, cursor ─────────── */

.grain {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.05'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 150;
}

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  border: 1.5px solid var(--accent);
  pointer-events: none;
  z-index: 300;
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease), height 0.25s var(--ease),
    opacity 0.25s, background 0.25s;
  opacity: 0;
}
.cursor.is-active { opacity: 0.85; }
.cursor.is-hover { width: 38px; height: 38px; background: var(--accent-soft); }
@media (pointer: coarse) { .cursor { display: none; } }

/* ── nav ─────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, padding 0.35s ease;
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
  padding-block: 0.8rem;
}

.nav__brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.nav__star {
  color: var(--accent);
  display: inline-block;
  margin-left: 0.3rem;
  transition: transform 0.6s var(--ease);
}
.nav__brand:hover .nav__star { transform: rotate(180deg); }

.nav__links {
  display: flex;
  gap: clamp(1rem, 3vw, 2.2rem);
}
.nav__links a {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.25s;
}
.nav__links a:hover { color: var(--accent); }
.nav__links sup { color: var(--accent); margin-right: 0.3em; font-size: 0.62rem; }

.nav__theme {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s, transform 0.25s;
}
.nav__theme:hover { border-color: var(--accent); color: var(--accent); transform: rotate(15deg); }
.icon-moon { display: none; }
html.dark .icon-moon { display: block; }
html.dark .icon-sun { display: none; }

/* ── hero ────────────────────────────────────── */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 0.45rem 0.95rem;
  margin-bottom: clamp(1.5rem, 3.5vh, 2.5rem);
}

.eyebrow-short { display: none; }

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2f9e44;
  display: inline-block;
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47, 158, 68, 0.45); }
  50% { box-shadow: 0 0 0 6px rgba(47, 158, 68, 0); }
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.9rem, 9.5vw, 7.4rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
}

.swap-wrap { color: var(--accent); }
.swap {
  display: inline-block;
  transition: opacity 0.35s ease, transform 0.35s var(--ease);
}
.swap.is-out { opacity: 0; transform: translateY(0.35em); }

.hero__sub {
  max-width: 34rem;
  margin-top: clamp(1.4rem, 3vh, 2.2rem);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-soft);
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
  padding-top: 1.4rem;
  gap: 1rem;
}
.hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.meta-label { color: var(--ink-soft); font-size: 0.66rem; }
.hero__meta-link { text-decoration: none; transition: color 0.25s; }
.hero__meta-link:hover { color: var(--accent); }

/* ── marquee ─────────────────────────────────── */

.marquee {
  border-block: 1px solid var(--line);
  overflow: hidden;
  padding-block: 0.9rem;
  background: var(--bg-alt);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee__seq {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  padding-right: 2.4rem;
  white-space: nowrap;
}
.marquee__seq span {
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.marquee__seq em {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink);
}
.marquee__seq i { color: var(--accent); font-style: normal; font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* ── sections ────────────────────────────────── */

.section { padding-block: clamp(5rem, 12vh, 8.5rem); }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line-soft); }

.section__head { margin-bottom: clamp(2.5rem, 6vh, 4rem); }
.section__head--center { text-align: center; }

.section__tag {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.section__title em { color: var(--accent); }

.section__sub {
  margin-top: 0.9rem;
  color: var(--ink-soft);
  max-width: 36rem;
  font-size: 0.95rem;
}
.section__head--center .section__sub { margin-inline: auto; }

/* ── projects (selected work) ────────────────── */

.projects { border-bottom: 1px solid var(--line); }

.proj { border-top: 1px solid var(--line); }

.proj__head {
  display: grid;
  grid-template-columns: 3.2rem 1fr auto 4.2rem 2rem;
  align-items: center;
  gap: 1.2rem;
  width: 100%;
  padding: 1.7rem 0.6rem;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  font-family: inherit;
  transition: background 0.3s ease, padding-left 0.35s var(--ease);
}
.proj__head:hover,
.proj.is-open .proj__head {
  background: var(--accent-soft);
  padding-left: 1.2rem;
}

.proj__index {
  color: var(--accent);
  font-size: 0.8rem;
}
.proj__title {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3.6vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.proj__cat {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  font-size: 0.68rem;
}
.proj__year { color: var(--ink-soft); font-size: 0.74rem; text-align: right; }
.proj__plus {
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  color: var(--ink-soft);
  text-align: center;
  transition: transform 0.4s var(--ease), color 0.3s;
}
.proj.is-open .proj__plus { transform: rotate(45deg); color: var(--accent); }

.proj__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.55s var(--ease);
}
.proj.is-open .proj__body { grid-template-rows: 1fr; }
.proj__body > .proj__inner { overflow: hidden; }

.proj__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: 0 0.6rem;
}
.proj.is-open .proj__inner { padding-block: 0.4rem 2.4rem; }

.proj__desc p { color: var(--ink-soft); max-width: 38rem; }

.proj__points {
  list-style: none;
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  color: var(--ink);
}

.proj__side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.4rem;
}

.proj__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.proj__chips span,
.stack__chips span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.32rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--ink-soft);
  transition: border-color 0.25s, color 0.25s;
}
.proj__chips span:hover,
.stack__chips span:hover { border-color: var(--accent); color: var(--accent); }

.proj__links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.proj__note { color: var(--ink-soft); font-size: 0.68rem; }

/* ── buttons ─────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 0.62rem 1.25rem;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); transform: translateY(-2px); }

.btn--accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }

/* ── work footer link ────────────────────────── */

.work-more {
  margin-top: 1.7rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.work-more a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.15rem;
  transition: color 0.25s, border-color 0.25s;
}
.work-more a:hover { color: var(--accent); border-color: var(--accent); }
.work-more span { color: var(--accent); font-size: 0.6rem; }

/* ── playground ──────────────────────────────── */

.play-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.play-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.6rem 1.5rem 1.4rem;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.35s ease;
}
.play-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 14px 34px -18px rgba(22, 20, 15, 0.35);
}

.play-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--accent);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.35s var(--ease);
}
.play-card:hover .play-card__icon {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.play-card__name {
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1.1;
  margin-top: 0.3rem;
}
.play-card__desc { color: var(--ink-soft); font-size: 0.88rem; }
.play-card__go {
  margin-top: auto;
  padding-top: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.68rem;
  color: var(--accent);
  opacity: 0.6;
  transform: translateX(0);
  transition: opacity 0.3s, transform 0.3s var(--ease);
}
.play-card:hover .play-card__go { opacity: 1; transform: translateX(4px); }

.play-card--all { background: var(--accent-soft); border-color: var(--line); }
.play-card--all .play-card__icon { border-color: var(--accent); }

/* ── about ───────────────────────────────────── */

.about {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.about__text p { color: var(--ink-soft); margin-bottom: 1.1rem; max-width: 40rem; }
.about__text p:last-child { margin-bottom: 0; }

.about__lede {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.5;
  color: var(--ink) !important;
}
.about__lede::first-letter {
  font-family: var(--serif);
  font-size: 3.1em;
  float: left;
  line-height: 0.82;
  padding-right: 0.12em;
  color: var(--accent);
}

.about__facts { border-top: 1px solid var(--line); }
.fact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-block: 0.95rem;
  border-bottom: 1px solid var(--line);
}
.fact__k { text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); font-size: 0.66rem; }
.fact__v { text-align: right; font-size: 0.76rem; display: inline-flex; align-items: center; gap: 0.45rem; }

.stack {
  margin-top: clamp(3rem, 7vh, 5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 2.4rem;
}
.stack__label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.7rem;
  margin-bottom: 0.9rem;
}
.stack__chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }

/* ── contact ─────────────────────────────────── */

.contact { text-align: center; }

.contact__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 7vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.contact__title em { color: var(--accent); }

.contact__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  margin-top: 1rem;
}

.contact__email {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 3.4vw, 2.2rem);
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 100%;
  padding-bottom: 0.15em;
  transition: color 0.3s;
  word-break: break-all;
}
.contact__email:hover { color: var(--accent); }

.contact__socials {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: clamp(2rem, 5vh, 3.2rem);
}
.contact__socials a {
  color: var(--ink-soft);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.74rem;
  transition: color 0.25s;
}
.contact__socials a:hover { color: var(--accent); }
.contact__socials span { color: var(--accent); font-size: 0.65rem; }

/* ── footer ──────────────────────────────────── */

.footer {
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.footer__watermark {
  font-family: var(--serif);
  font-size: clamp(5rem, 19vw, 16rem);
  line-height: 0.9;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  user-select: none;
  margin-top: 2.5rem;
  margin-bottom: -0.18em;
}

.footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem 1.6rem;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.66rem;
}
.footer__row a { color: var(--ink); text-decoration: none; transition: color 0.25s; }
.footer__row a:hover { color: var(--accent); }

/* ── reveal on scroll ────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .swap { transition: none; }
  .status-dot { animation: none; }
}

/* ── responsive ──────────────────────────────── */

@media (max-width: 900px) {
  .proj__cat { display: none; }
  .proj__head { grid-template-columns: 2.4rem 1fr 3.4rem 1.6rem; gap: 0.8rem; }
  .proj__inner { grid-template-columns: 1fr; gap: 1.4rem; }
  .about { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav { flex-wrap: wrap; row-gap: 0.55rem; padding-block: 0.85rem; }
  .nav__links { order: 3; width: 100%; justify-content: space-between; gap: 0.6rem; }
  .nav__links sup { display: none; }
  .nav__links a { font-size: 0.68rem; }
  .hero { padding-top: 7.5rem; }
  .hero__eyebrow {
    font-size: 0.62rem;
    letter-spacing: 0.07em;
    padding: 0.38rem 0.8rem;
    white-space: nowrap;
  }
  .eyebrow-full { display: none; }
  .eyebrow-short { display: inline; }
  .hero__meta { grid-template-columns: 1fr 1fr; gap: 1.2rem 1rem; }
  .proj__year { display: none; }
  .proj__head { grid-template-columns: 2.2rem 1fr 1.4rem; }
  .footer__row { justify-content: center; text-align: center; }
}