/* =========================================================
   Ahmed Hassan — portfolio
   Dark cinematic, bilingual (EN + AR), no build step.
   Uses CSS logical properties so RTL flips automatically.
   ========================================================= */

:root {
  --bg: #0a0a0a;
  --bg-elev: #111110;
  --ink: #f5f1ea;
  --ink-dim: #a6a09a;
  --ink-mute: #6b655f;
  --line: rgba(245, 241, 234, 0.12);
  --line-strong: rgba(245, 241, 234, 0.28);
  --accent: #c9a96e;
  --accent-bright: #e2c38a;

  --ff-display: "Cormorant Garamond", "Amiri", Georgia, serif;
  --ff-body: "Inter", "Cairo", system-ui, -apple-system, Segoe UI, sans-serif;

  --max: 1440px;
  --gutter: clamp(1.25rem, 2.5vw, 2.5rem);
  --section-py: clamp(5rem, 12vh, 9rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

[lang="ar"],
[dir="rtl"] {
  --ff-display: "Amiri", "Cormorant Garamond", Georgia, serif;
  --ff-body: "Cairo", "Inter", system-ui, -apple-system, Segoe UI, sans-serif;
}

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

html {
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
}

img,
video { max-inline-size: 100%; block-size: auto; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}
a:hover { color: var(--accent); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

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

.skip-link {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 0.75rem 1rem;
  transform: translateY(-120%);
  transition: transform 0.2s var(--ease);
  z-index: 200;
  font-size: 0.85rem;
}
.skip-link:focus { transform: translateY(0); }

/* =========================================================
   Typography
   ========================================================= */

.display {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 6.5vw, 5.75rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin: 0;
}
.display em {
  font-style: italic;
  font-weight: 300;
  color: var(--ink-dim);
}
[lang="ar"] .display,
[dir="rtl"] .display {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0;
  font-size: clamp(2.25rem, 5.5vw, 4.75rem);
}
[lang="ar"] .display em,
[dir="rtl"] .display em { font-style: normal; font-weight: 400; }

.eyebrow {
  font-family: var(--ff-body);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-dim);
  margin: 0 0 1.5rem;
}
[dir="rtl"] .eyebrow { letter-spacing: 0.08em; }

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--ink-dim);
  max-inline-size: 40ch;
  line-height: 1.55;
  margin: 1.5rem 0 0;
}

/* =========================================================
   Header / nav
   ========================================================= */

.site-header {
  position: fixed;
  inset-inline: 0;
  inset-block-start: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1.25rem var(--gutter);
  color: var(--ink);
  mix-blend-mode: difference;
  transition: background 0.3s var(--ease), backdrop-filter 0.3s var(--ease), padding 0.3s var(--ease);
}
.site-header.is-scrolled {
  mix-blend-mode: normal;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  padding-block: 1rem;
  border-block-end: 1px solid var(--line);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}
[lang="ar"] .wordmark,
[dir="rtl"] .wordmark { font-weight: 700; letter-spacing: 0; }

.wordmark__mark {
  display: grid;
  place-items: center;
  inline-size: 2rem;
  block-size: 2rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  font-family: var(--ff-body);
  color: var(--ink-dim);
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
}
.nav a { position: relative; padding-block: 0.25rem; }
.nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: -2px;
  block-size: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: var(--origin, left);
  transition: transform 0.3s var(--ease);
}
[dir="rtl"] .nav a::after { --origin: right; }
.nav a:hover::after { transform: scaleX(1); }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}
.lang-toggle a { transition: color 0.3s var(--ease); }
.lang-toggle a.is-active { color: var(--ink); }
.lang-toggle a:not(.is-active):hover { color: var(--accent); }

.nav-burger {
  display: none;
  inline-size: 2.25rem;
  block-size: 2.25rem;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 5px;
  padding: 0.5rem;
}
.nav-burger span {
  block-size: 1px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--ff-display);
  font-size: 2rem;
  padding: var(--gutter);
}
.mobile-nav[hidden] { display: none; }

@media (max-width: 820px) {
  .nav { display: none; }
  .lang-toggle { display: none; }
  .nav-burger { display: flex; }
  .site-header { grid-template-columns: 1fr auto; }
  .mobile-nav { font-size: 1.75rem; }
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  min-block-size: 100vh;
  min-block-size: 100svh;
  display: grid;
  align-items: end;
  padding: var(--gutter);
  padding-block-end: clamp(3rem, 8vh, 6rem);
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__media img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  animation: kenburns 24s ease-in-out infinite alternate;
}

@keyframes kenburns {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to   { transform: scale(1.12) translate3d(-2%, -1%, 0); }
}
[dir="rtl"] .hero__media img { animation-name: kenburns-rtl; }
@keyframes kenburns-rtl {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to   { transform: scale(1.12) translate3d(2%, -1%, 0); }
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.2) 40%, rgba(10,10,10,0.85) 100%),
    radial-gradient(ellipse at 30% 20%, rgba(10,10,10,0) 0%, rgba(10,10,10,0.4) 70%);
}

.hero__content { max-inline-size: 58rem; }
.hero__actions {
  margin-block-start: 2.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  inset-block-end: 1.5rem;
  inset-inline-end: var(--gutter);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
[dir="rtl"] .hero__scroll { letter-spacing: 0.1em; text-transform: none; }
.hero__scroll-line {
  display: block;
  inline-size: 3rem;
  block-size: 1px;
  background: currentColor;
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: -100%;
  inline-size: 100%;
  background: var(--accent-bright);
  animation: scroll-line 2.5s var(--ease) infinite;
}
@keyframes scroll-line {
  0%   { inset-inline-start: -100%; }
  60%  { inset-inline-start: 100%; }
  100% { inset-inline-start: 100%; }
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
  white-space: nowrap;
}
[dir="rtl"] .btn { text-transform: none; letter-spacing: 0.02em; font-size: 0.9rem; }

.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover { background: var(--accent-bright); color: var(--bg); }

.btn--ghost {
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--ink); background: rgba(245,241,234,0.04); }

/* =========================================================
   Sections
   ========================================================= */

.work,
.about,
.services,
.contact {
  padding-inline: var(--gutter);
  padding-block: var(--section-py);
  max-inline-size: var(--max);
  margin-inline: auto;
}

.section-head {
  margin-block-end: clamp(3rem, 6vw, 5rem);
  max-inline-size: 38rem;
}

/* =========================================================
   Work grid
   ========================================================= */

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 1.8vw, 1.75rem);
  grid-auto-rows: minmax(22rem, 1fr);
}

.work-item {
  position: relative;
  margin: 0;
  grid-row: var(--span-row, auto);
  grid-column: var(--span-col, auto);
  overflow: hidden;
  background: var(--bg-elev);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.work-item.is-in { opacity: 1; transform: none; }

.work-item__btn {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  position: absolute;
  inset: 0;
}
.work-item__btn img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), filter 0.6s var(--ease);
  filter: brightness(0.95) saturate(0.95);
}
.work-item:hover .work-item__btn img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1);
}

.work-item figcaption {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  padding: 1.25rem 1.25rem 1.1rem;
  background: linear-gradient(180deg, rgba(10,10,10,0) 0%, rgba(10,10,10,0.8) 100%);
  color: var(--ink);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: end;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.work-item:hover figcaption,
.work-item:focus-within figcaption {
  opacity: 1;
  transform: none;
}

.work-item__index {
  font-family: var(--ff-body);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--ink-dim);
  align-self: end;
  padding-block-end: 0.15rem;
}
.work-item__title {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  line-height: 1.1;
  font-weight: 500;
}
[lang="ar"] .work-item__title,
[dir="rtl"] .work-item__title { font-weight: 700; }
.work-item__meta {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  text-transform: uppercase;
  padding-block-end: 0.25rem;
}
[dir="rtl"] .work-item__meta { text-transform: none; letter-spacing: 0.02em; font-size: 0.82rem; }

@media (max-width: 900px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: minmax(18rem, 1fr); }
  .work-item--wide { grid-column: span 2; }
  .work-item--tall { grid-row: auto; }
  .work-item--lg { grid-row: span 2; }
}
@media (max-width: 560px) {
  .work-grid { grid-template-columns: 1fr; grid-auto-rows: minmax(16rem, auto); }
  .work-item--wide,
  .work-item--tall,
  .work-item--lg { grid-column: auto; grid-row: auto; }
  .work-item figcaption { opacity: 1; transform: none; }
}

/* =========================================================
   Reel strip
   ========================================================= */

.reel {
  padding-inline: var(--gutter);
  padding-block: clamp(2rem, 4vh, 4rem);
  max-inline-size: var(--max);
  margin-inline: auto;
}
.reel__frame {
  position: relative;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--bg-elev);
}
.reel__frame img {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  filter: brightness(0.55);
  transition: filter 0.6s var(--ease);
}
.reel__frame:hover img { filter: brightness(0.7); }

.reel__overlay {
  position: relative;
  z-index: 1;
  padding: clamp(2rem, 5vw, 5rem);
  block-size: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--ink);
  max-inline-size: 38rem;
}
.reel__overlay .btn { margin-block-start: 2rem; align-self: flex-start; }

@media (max-width: 640px) {
  .reel__frame { aspect-ratio: 4 / 5; }
}

/* =========================================================
   About
   ========================================================= */

.about {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.about__portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-elev);
}
.about__portrait img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}
.about__copy p {
  font-size: 1.05rem;
  color: var(--ink-dim);
  margin: 0 0 1.25rem;
  max-inline-size: 38rem;
}
.about__copy .display { margin-block-end: 2rem; }

.about__facts {
  margin-block-start: 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
  padding-block-start: 2rem;
  border-block-start: 1px solid var(--line);
}
.about__facts div { display: grid; gap: 0.35rem; }
.about__facts dt {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
[dir="rtl"] .about__facts dt { letter-spacing: 0.05em; text-transform: none; font-size: 0.8rem; }
.about__facts dd {
  margin: 0;
  font-family: var(--ff-display);
  font-size: 1.2rem;
}

@media (max-width: 820px) {
  .about { grid-template-columns: 1fr; }
  .about__portrait { max-inline-size: 28rem; aspect-ratio: 3 / 4; }
}

/* =========================================================
   Services
   ========================================================= */

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service {
  padding: clamp(2rem, 3.5vw, 3rem);
  background: var(--bg);
  display: grid;
  gap: 1rem;
  align-content: start;
  min-block-size: 22rem;
  transition: background 0.4s var(--ease);
}
.service:hover { background: var(--bg-elev); }

.service__num {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 2.5rem;
  color: var(--accent);
  margin: 0;
  font-weight: 300;
}
.service__title {
  font-family: var(--ff-display);
  font-size: 1.75rem;
  font-weight: 500;
  margin: 0;
  line-height: 1.1;
}
[lang="ar"] .service__title,
[dir="rtl"] .service__title { font-weight: 700; }
.service p {
  color: var(--ink-dim);
  margin: 0;
  max-inline-size: 30ch;
}
.service__from {
  margin-block-start: auto;
  padding-block-start: 1.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink);
  border-block-start: 1px solid var(--line);
}
[dir="rtl"] .service__from { letter-spacing: 0.02em; text-transform: none; font-size: 0.9rem; }

@media (max-width: 820px) {
  .services__grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Contact
   ========================================================= */

.contact { text-align: center; }
.contact__inner {
  max-inline-size: 44rem;
  margin-inline: auto;
}
.contact__lede {
  color: var(--ink-dim);
  font-size: 1.05rem;
  max-inline-size: 32rem;
  margin: 1.5rem auto 3rem;
}
.contact__email {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  letter-spacing: -0.01em;
  padding-block-end: 0.25rem;
  border-block-end: 1px solid var(--line-strong);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.contact__email:hover { color: var(--accent-bright); border-color: var(--accent-bright); }

.contact__socials {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0;
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
[dir="rtl"] .contact__socials { letter-spacing: 0.02em; text-transform: none; font-size: 0.92rem; }
.contact__socials a { transition: color 0.3s var(--ease); }
.contact__socials a:hover { color: var(--ink); }

/* =========================================================
   Footer
   ========================================================= */

.footer {
  padding: 2rem var(--gutter);
  border-block-start: 1px solid var(--line);
  color: var(--ink-mute);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer a:hover { color: var(--ink); }

/* =========================================================
   Lightbox + reel modal
   ========================================================= */

.lightbox,
.reel-modal {
  border: 0;
  padding: 0;
  background: rgba(10, 10, 10, 0.96);
  color: var(--ink);
  inline-size: 100vw;
  block-size: 100vh;
  max-inline-size: 100vw;
  max-block-size: 100vh;
  margin: 0;
  inset: 0;
  overflow: hidden;
}
.lightbox::backdrop,
.reel-modal::backdrop { background: rgba(10, 10, 10, 0.94); }
.lightbox[open],
.reel-modal[open] {
  display: grid;
  place-items: center;
}

.lightbox figure {
  margin: 0;
  max-inline-size: 92vw;
  max-block-size: 88vh;
  display: grid;
  gap: 1rem;
}
.lightbox figure img {
  max-inline-size: 100%;
  max-block-size: 80vh;
  object-fit: contain;
}
.lightbox figcaption {
  text-align: center;
  color: var(--ink-dim);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.lightbox__close,
.reel-modal__close {
  position: absolute;
  inset-block-start: 1.25rem;
  inset-inline-end: 1.25rem;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.lightbox__close:hover,
.reel-modal__close:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.reel-modal__frame {
  inline-size: min(92vw, 1280px);
  aspect-ratio: 16 / 9;
  background: #000;
}
.reel-modal__frame iframe {
  inline-size: 100%;
  block-size: 100%;
  border: 0;
}