/* ============================================================
   ahmadabobakr.github.io
   ============================================================ */

:root {
  --bg:        #0B0C0E;
  --bg-2:      #121418;
  --bg-3:      #171A1F;
  --line:      #24282E;
  --line-soft: #1B1E23;
  --fg:        #EAE7E1;
  --fg-mid:    #B4B7BC;
  --fg-dim:    #85898F;
  --accent:    #D5573B;
  --accent-dim:#8C3626;

  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --pad: clamp(1.25rem, 4vw, 3rem);
  --maxw: 1240px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; height: auto; }

a { color: var(--fg); text-decoration: none; }

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- type ---------- */

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--fg-mid);
  line-height: 1.65;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 12, 14, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 62px;
}

.brand {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--fg);
  white-space: nowrap;
}
.brand span { color: var(--fg-dim); }

.site-nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-size: 0.86rem;
}
.site-nav a { color: var(--fg-dim); transition: color .15s; }
.site-nav a:hover { color: var(--fg); }

@media (max-width: 700px) {
  .hero-media video, .hero-media img { object-position: 32% center; }
  .hero-media::after {
    background:
      linear-gradient(to top, var(--bg) 3%, rgba(11,12,14,0.80) 45%, rgba(11,12,14,0.55) 100%);
  }
  .brand span { display: none; }
  .site-nav { gap: 1rem; font-size: 0.8rem; }
  .site-nav .nav-wide { display: none; }
}

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

.hero {
  position: relative;
  min-height: min(78vh, 720px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media video, .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--bg) 3%, rgba(11,12,14,0.70) 40%, rgba(11,12,14,0.44) 100%),
    linear-gradient(to right, rgba(11,12,14,0.88) 0%, rgba(11,12,14,0.58) 42%, rgba(11,12,14,0.10) 80%);
}

.hero-body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: clamp(4rem, 12vw, 8rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.hero h1 {
  font-size: clamp(2.1rem, 5.6vw, 4rem);
  max-width: 17ch;
  margin-bottom: 1.1rem;
}

.hero .lead { max-width: 58ch; }

.cred {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
}
.cred span { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-dim); }
.cred span b { color: var(--fg-mid); font-weight: 500; }

/* ---------- sections ---------- */

.section { padding: clamp(3.5rem, 9vw, 7rem) 0; }
.section + .section { border-top: 1px solid var(--line-soft); }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}
.section-head .rule { flex: 1; height: 1px; background: var(--line); }
.section-head h2 { font-size: clamp(1.35rem, 2.6vw, 1.9rem); }

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

.entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}
.entry + .entry { border-top: 1px solid var(--line-soft); }

@media (min-width: 900px) {
  .entry { grid-template-columns: 1.35fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); }
  .entry.flip { grid-template-columns: 1fr 1.35fr; }
  .entry.flip .entry-media { order: 2; }
}

.entry-media {
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
}
.entry-media img, .entry-media video { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

.entry h3 {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  margin-bottom: 0.55rem;
}

.meta {
  font-family: var(--mono);
  font-size: 0.71rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1.1rem;
}
.meta i { font-style: normal; color: var(--line); padding: 0 0.5rem; }

.role {
  font-size: 0.94rem;
  color: var(--accent);
  margin-bottom: 0.9rem;
  font-weight: 500;
}

.entry p { color: var(--fg-mid); font-size: 0.97rem; }

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.62rem 1.05rem;
  border: 1px solid var(--line);
  color: var(--fg-mid);
  transition: border-color .15s, color .15s, background .15s;
}
.btn:hover { border-color: var(--fg-dim); color: var(--fg); }
.btn-primary { border-color: var(--accent-dim); color: var(--fg); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- capability columns ---------- */

.cols {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}
@media (min-width: 760px) { .cols { grid-template-columns: repeat(3, 1fr); } }

.col h3 {
  font-size: 1.05rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}
.col p { font-size: 0.92rem; color: var(--fg-mid); }
.col ul { margin: 0; padding-left: 1.05rem; }
.col li { font-size: 0.9rem; color: var(--fg-mid); margin-bottom: 0.4rem; }

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

.about-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 820px) { .about-grid { grid-template-columns: 260px 1fr; } }

.portrait {
  border: 1px solid var(--line);
  filter: grayscale(1) contrast(1.05);
}

/* ---------- timeline ---------- */

.tl { margin-top: 2.5rem; }
.tl-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem 1.5rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line-soft);
}
@media (min-width: 700px) {
  .tl-row { grid-template-columns: 9rem 1fr auto; align-items: baseline; }
}
.tl-when { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--fg-dim); }
.tl-what b { font-weight: 600; }
.tl-what span { color: var(--fg-dim); }
.tl-where { font-size: 0.86rem; color: var(--fg-dim); }

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

.contact-list { display: grid; gap: 0; grid-template-columns: 1fr; }
@media (min-width: 700px) { .contact-list { grid-template-columns: repeat(2, 1fr); } }

.contact-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line-soft);
  color: var(--fg-mid);
  transition: color .15s;
}
@media (min-width: 700px) {
  .contact-list a:nth-child(odd) { padding-right: 2.5rem; }
  .contact-list a:nth-child(even) { padding-left: 2.5rem; border-left: 1px solid var(--line-soft); }
}
.contact-list a:hover { color: var(--fg); }
.contact-list .k { font-family: var(--mono); font-size: 0.71rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-dim); }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 2.25rem 0;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }
.site-footer p { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-dim); margin: 0; }

/* ============================================================
   case study pages
   ============================================================ */

.case-hero {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}
.case-hero img { width: 100%; max-height: 62vh; object-fit: cover; filter: saturate(0.9); }
.case-hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, var(--bg) 2%, rgba(11,12,14,0.15) 55%);
  pointer-events: none;
}

.case-head { padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 4vw, 3rem); }
.case-head h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin-bottom: 0.9rem; }

.back {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1.75rem;
  transition: color .15s;
}
.back:hover { color: var(--fg); }

.case-body {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1fr;
  padding-bottom: clamp(3rem, 7vw, 5rem);
}
@media (min-width: 940px) { .case-body { grid-template-columns: minmax(0,1fr) 280px; } }

.case-main h2 {
  font-size: 1.15rem;
  margin: 2.5rem 0 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}
.case-main h2:first-child { margin-top: 0; }
.case-main p, .case-main li { color: var(--fg-mid); font-size: 0.98rem; }
.case-main ul { padding-left: 1.15rem; margin: 0 0 1.1em; }
.case-main li { margin-bottom: 0.5rem; }
.case-main strong { color: var(--fg); font-weight: 600; }
.case-main code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg-3);
  border: 1px solid var(--line);
  padding: 0.1em 0.4em;
  color: var(--fg);
}

.aside-block { border-top: 1px solid var(--line); padding-top: 1rem; margin-bottom: 2rem; }
.aside-block h4 {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--fg-dim); margin-bottom: 0.7rem; font-weight: 400;
}
.aside-block p, .aside-block li { font-size: 0.88rem; color: var(--fg-mid); }
.aside-block ul { margin: 0; padding-left: 1rem; }
.aside-block li { margin-bottom: 0.32rem; }

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em;
  border: 1px solid var(--line); padding: 0.3rem 0.55rem; color: var(--fg-dim);
}

.shots { display: grid; gap: 1rem; grid-template-columns: 1fr; margin: 1.5rem 0 0; }
@media (min-width: 620px) { .shots.two { grid-template-columns: 1fr 1fr; } }

.shot { border: 1px solid var(--line); background: var(--bg-2); }
.shot img, .shot video { width: 100%; display: block; }
.shot figcaption {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em;
  color: var(--fg-dim); padding: 0.6rem 0.75rem; border-top: 1px solid var(--line);
}
figure { margin: 0; }

.next-strip { border-top: 1px solid var(--line-soft); padding: 2.5rem 0 3.5rem; }
.next-strip a { display: inline-flex; align-items: baseline; gap: 0.75rem; }
.next-strip a:hover .nx { color: var(--fg); }
.nx { font-size: 1.3rem; font-weight: 600; color: var(--fg-mid); transition: color .15s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}