/* Golam Kibria — portfolio. Implemented from Portfolio.dc.html / CaseStudy.dc.html (Claude Design). */

:root {
  --bg: #F3EFE7;
  --ink: #16130E;
  --accent: #0E7A5F;
  --accent-glow: 14, 122, 95;
  --copy: #4b463c;
  --muted: #6b6455;
  --faint: #8a8474;
  --line: #DAD3C2;
  --pill-line: #C9C1AE;
  --dark-line: #3a352a;
  --dark-pill-line: #4a4436;
  --dark-faint: #7a7466;
  --dark-copy: #D8D2C2;
  --green: #0E8A6D;
  --stripe: repeating-linear-gradient(45deg, #E9E3D5 0 14px, #F0EBDF 14px 28px);
  --display: 'Bricolage Grotesque', sans-serif;
  --mono: 'Space Mono', monospace;
  --ease-out: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 700px at 88% -4%, rgba(var(--accent-glow), .08), transparent 60%),
    radial-gradient(900px 650px at -8% 22%, rgba(var(--accent-glow), .05), transparent 55%),
    radial-gradient(1000px 700px at 105% 55%, rgba(var(--accent-glow), .06), transparent 55%);
  color: var(--ink);
  font-family: 'Instrument Sans', sans-serif;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
::selection { background: var(--accent); color: #F3EFE7; }

@media (pointer: fine) {
  body.custom-cursor, body.custom-cursor a, body.custom-cursor button { cursor: none; }
}

@keyframes rise { from { transform: translateY(110%); } to { transform: translateY(0); } }
@keyframes introOut { to { transform: translateY(-101%); visibility: hidden; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- shared primitives ---------- */

.wrap { max-width: 1240px; width: 100%; margin: 0 auto; }

.eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--accent);
}

.pill {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  border: 1px solid var(--pill-line);
  border-radius: 999px;
  padding: 8px 16px;
}

.pill-row { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 15px 26px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
}
.btn-dark { background: var(--ink); color: #F3EFE7; transition: background .3s; }
.btn-dark:hover { background: var(--accent); color: #F3EFE7; }
.btn-outline { border: 1px solid var(--ink); color: var(--ink); transition: background .3s, color .3s; }
.btn-outline:hover { background: var(--ink); color: #F3EFE7; }

.line-mask { display: block; overflow: hidden; padding-bottom: .06em; }
.rise { display: inline-block; animation: rise .9s var(--ease-out) both; }

.side-grid { display: grid; grid-template-columns: 220px 1fr; gap: 32px; }

.section { border-top: 1px solid var(--ink); padding: 100px 40px; }

.dark {
  background-color: var(--ink);
  background-image: radial-gradient(1000px 650px at 82% 0%, rgba(var(--accent-glow), .16), transparent 60%);
  color: #F3EFE7;
}

.section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 56px; }
.section-title {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(40px, 6vw, 80px);
  text-transform: uppercase;
  letter-spacing: -.02em;
}
.section-note { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: var(--faint); }
.dark .section-note { color: var(--dark-faint); }

/* ---------- intro overlay ---------- */

.intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: var(--ink);
  background-image: radial-gradient(800px 520px at 50% 32%, rgba(var(--accent-glow), .18), transparent 62%);
  color: #F3EFE7;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: introOut .8s cubic-bezier(.7, 0, .2, 1) 1.5s forwards;
}
.intro-words {
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: .02em;
}
.intro-words > span { overflow: hidden; display: inline-block; }
.intro-words .rise { animation-duration: .7s; }
.no-intro .intro { display: none; }

/* ---------- custom cursor ---------- */

.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  margin: -18px 0 0 -18px;
  transition: width .25s, height .25s, margin .25s, opacity .3s;
  opacity: 0;
}
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  margin: -3.5px 0 0 -3.5px;
  opacity: 0;
  transition: opacity .3s;
}
@media (pointer: coarse) { .cursor-ring, .cursor-dot { display: none; } }

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

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 40px;
  mix-blend-mode: difference;
  color: #F3EFE7;
}
.site-nav a { color: #F3EFE7; }
.nav-logo { font-family: var(--display); font-weight: 800; font-size: 18px; }
.nav-logo span { opacity: .5; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
}
.nav-resume {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid #F3EFE7;
  border-radius: 999px;
  padding: 7px 14px;
  margin: -8px 0;
}

/* ---------- hero ---------- */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 0;
  position: relative;
  overflow: hidden;
}
.hero-eyebrow-mask { overflow: hidden; margin-bottom: 26px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .16em;
}
.hero-title {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(52px, 8.6vw, 132px);
  line-height: .94;
  letter-spacing: -.025em;
  text-transform: uppercase;
}
.hero-title .accent { color: var(--accent); }
.hero-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  margin-top: 44px;
}
.hero-copy {
  margin: 0;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6;
  color: var(--copy);
  max-width: 460px;
  text-wrap: pretty;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.badge-available {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .12em;
}
.badge-available .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 1.6s infinite;
}
.giant-name {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(120px, 22vw, 340px);
  line-height: 1;
  letter-spacing: -.02em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px var(--pill-line);
  user-select: none;
  pointer-events: none;
  margin: 40px 0 -.28em -8px;
}

/* ---------- marquee ---------- */

.marquee {
  border-top: 1px solid var(--ink);
  padding: 18px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track { display: inline-flex; align-items: center; gap: 40px; animation: marquee 28s linear infinite; }
.marquee-seg {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.marquee-seg .star { color: var(--accent); }

/* ---------- about ---------- */

.about-lede {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.3;
  letter-spacing: -.01em;
  max-width: 820px;
  text-wrap: pretty;
}
.about-pills { margin-top: 36px; }

.svc-list { max-width: 1240px; margin: 72px auto 0; display: flex; flex-direction: column; }
.svc-row {
  display: grid;
  grid-template-columns: 220px 1fr 1fr;
  gap: 32px;
  align-items: baseline;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  transition: background .3s;
}
.svc-row:last-child { border-bottom: 1px solid var(--line); }
.svc-row:hover { background: #ECE7DA; }
.svc-num {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}
.svc-num svg { color: var(--accent); }
.svc-name { font-family: var(--display); font-weight: 700; font-size: clamp(20px, 2.4vw, 30px); }
.svc-desc { font-size: 14.5px; color: var(--muted); }

/* ---------- work ---------- */

.work-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.card { display: block; position: relative; will-change: transform; }
.card-cover {
  aspect-ratio: 4 / 3;
  background: var(--stripe);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cover-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--faint);
  background: var(--bg);
  padding: 8px 14px;
  border: 1px solid var(--line);
}
.card-num {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}
.card-badge {
  position: absolute;
  top: 0; left: 0;
  width: 96px; height: 96px;
  margin: -48px 0 0 -48px;
  border-radius: 50%;
  background: var(--accent);
  color: #F3EFE7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  opacity: 0;
  transform: scale(.6);
  transition: opacity .25s, transform .25s;
  pointer-events: none;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-top: 16px;
}
.card-title { margin: 0; font-family: var(--display); font-weight: 700; font-size: 26px; letter-spacing: -.01em; }
.card-tagline { margin: 6px 0 0; font-size: 14.5px; color: var(--muted); }
.card-tags {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--faint);
}
.card-tags svg { color: var(--accent); }

/* ---------- process ---------- */

.process-lede {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.3;
  max-width: 720px;
  text-wrap: pretty;
}
.proc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.proc-card {
  border: 1px solid var(--ink);
  padding: 28px 24px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background .3s, color .3s;
}
.proc-card:hover { background: var(--ink); color: #F3EFE7; }
.proc-top { display: flex; justify-content: space-between; align-items: flex-start; }
.proc-num { font-family: var(--display); font-weight: 800; font-size: 34px; color: var(--accent); }
.proc-top svg { opacity: .45; }
.proc-card h3 { margin: 0 0 8px; font-family: var(--display); font-weight: 700; font-size: 21px; }
.proc-card p { margin: 0; font-size: 14px; line-height: 1.6; opacity: .75; }

.toolkit { margin-top: 72px; border-top: 1px solid var(--line); padding-top: 32px; }
.toolkit-copy {
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--copy);
  max-width: 640px;
  text-wrap: pretty;
}

/* ---------- testimonials ---------- */

.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--dark-line);
  border: 1px solid var(--dark-line);
}
.quote {
  background: var(--ink);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
}
.quote p { margin: 0; font-size: 17px; line-height: 1.65; color: var(--dark-copy); text-wrap: pretty; }
.quote cite {
  font-style: normal;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--dark-faint);
}

/* ---------- contact ---------- */

.contact { padding: 120px 40px 40px; border-top: 1px solid var(--dark-line); }
.contact .eyebrow { margin-bottom: 20px; }
.contact-cta {
  display: inline-block;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 120px);
  line-height: 1;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: #F3EFE7;
}
.contact-cta:hover { color: var(--accent); }
.contact-note { margin: 26px 0 0; font-size: 16px; color: #9a9484; max-width: 440px; text-wrap: pretty; }
.contact-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 60px; }
.contact-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  border: 1px solid var(--dark-pill-line);
  border-radius: 999px;
  padding: 14px 24px;
  color: #F3EFE7;
  transition: border-color .3s, color .3s;
}
.contact-link svg { margin-right: 9px; }
.contact-link:hover { border-color: var(--accent); color: var(--accent); }
.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 100px;
  padding-top: 24px;
  border-top: 1px solid var(--dark-line);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--dark-faint);
}
.footer-bar a { color: var(--dark-faint); }
.footer-bar a:hover { color: var(--accent); }

/* ---------- case study ---------- */

.cs-page { min-height: 100vh; display: flex; flex-direction: column; }
.cs-back { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; }
.cs-back:hover { opacity: .6; color: #F3EFE7; }
.cs-header { padding: 150px 40px 60px; }
.cs-header .eyebrow { margin-bottom: 20px; }
.cs-title {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(56px, 9vw, 124px);
  line-height: .95;
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.cs-tagline { margin: 22px 0 0; font-size: clamp(18px, 2.2vw, 26px); color: var(--copy); max-width: 640px; text-wrap: pretty; }
.cs-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  margin-top: 48px;
  border-top: 1px solid var(--ink);
  padding-top: 24px;
}
.cs-meta dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--faint);
  margin-bottom: 6px;
}
.cs-meta dd { margin: 0; font-weight: 600; }
.cs-hero { padding: 0 40px; }
.mock {
  background: var(--stripe);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mock-wide { aspect-ratio: 16 / 8; }
.mock-shot { aspect-ratio: 4 / 3; }
.cs-main { padding: 80px 40px; display: flex; flex-direction: column; gap: 88px; }
.cs-body { margin: 0; font-size: clamp(19px, 2vw, 24px); line-height: 1.5; max-width: 720px; text-wrap: pretty; }
.cs-text { margin: 0; font-size: 17px; line-height: 1.7; color: #3d382e; max-width: 680px; text-wrap: pretty; }
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.step-num { font-family: var(--display); font-weight: 700; font-size: 26px; color: var(--accent); }
.step h3 { margin: 0 0 8px; font-family: var(--display); font-weight: 700; font-size: 22px; }
.step p { margin: 0; font-size: 16px; line-height: 1.65; color: var(--copy); max-width: 620px; text-wrap: pretty; }
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.outcome-row {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.outcome-row .bullet { width: 9px; height: 9px; background: var(--accent); flex: none; transform: translateY(-1px); }
.outcome-row p { margin: 0; font-size: 17px; line-height: 1.6; max-width: 640px; text-wrap: pretty; }
.next-link {
  display: block;
  background-color: var(--ink);
  background-image: radial-gradient(900px 500px at 15% 100%, rgba(var(--accent-glow), .15), transparent 60%);
  color: #F3EFE7;
  padding: 72px 40px;
  transition: background-color .3s;
}
.next-link:hover { background-color: #000; color: #F3EFE7; }
.next-link .eyebrow { margin-bottom: 14px; }
.next-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -.02em;
}
.cs-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 40px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--faint);
}

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .section { padding: 80px 24px; }
  .hero { padding: 110px 24px 0; }
  .contact { padding: 100px 24px 32px; }
  .side-grid { grid-template-columns: 1fr; gap: 18px; }
  .svc-row { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .work-grid { grid-template-columns: 1fr; }
  .proc-grid { grid-template-columns: 1fr 1fr; }
  .quote-grid { grid-template-columns: 1fr; }
  .section-head { flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
  .cs-header { padding: 130px 24px 48px; }
  .cs-hero { padding: 0 24px; }
  .cs-main { padding: 64px 24px; gap: 64px; }
  .next-link { padding: 56px 24px; }
  .cs-footer { padding: 22px 24px; }
}

@media (max-width: 640px) {
  .site-nav { padding: 18px 20px; }
  .nav-links { gap: 13px; font-size: 10px; letter-spacing: .06em; }
  .nav-resume { padding: 6px 10px; }
  .proc-grid { grid-template-columns: 1fr; }
  .proc-card { min-height: 0; gap: 22px; }
  .shots { grid-template-columns: 1fr; }
  .step { grid-template-columns: 40px 1fr; }
  .quote { padding: 28px 22px; }
  .footer-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .rise, .intro, .intro .rise, .badge-available .dot { animation-duration: .01ms; animation-delay: 0ms; }
  .marquee-track { animation: none; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}