/* =========================================================
   Mohammad Al Hallak · Portfolio
   Editorial black/white redesign inspired by the supplied
   reference: split hero, outlined display type, organic photo.
========================================================= */

:root {
  --bg: #ffffff;
  --surface: #f4f4f2;
  --surface-strong: #e9e9e5;
  --ink: #090909;
  --muted: #696969;
  --line: #d9d9d4;
  --line-strong: #a9a9a3;
  --header: rgba(255, 255, 255, 0.9);
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.1);
  --shadow-small: 0 12px 32px rgba(0, 0, 0, 0.09);
  --container: 1240px;
  --header-height: 82px;
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

html[data-theme="dark"] {
  --bg: #101010;
  --surface: #181818;
  --surface-strong: #222222;
  --ink: #f4f4f0;
  --muted: #aaa9a4;
  --line: #343434;
  --line-strong: #5c5c58;
  --header: rgba(16, 16, 16, 0.9);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --shadow-small: 0 12px 32px rgba(0, 0, 0, 0.34);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--bg);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: color 220ms ease, background-color 220ms ease;
}

body[dir="rtl"] {
  font-family: Tahoma, Arial, "Segoe UI", sans-serif;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  inset-block-start: 14px;
  inset-inline-start: 14px;
  padding: 0.75rem 1rem;
  color: var(--bg);
  background: var(--ink);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header and navigation */
.site-header {
  position: fixed;
  z-index: 1000;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--header-height);
  border-block-end: 1px solid transparent;
  background: var(--header);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header::after {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--container));
  height: 100%;
  margin-inline: auto;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--ink);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.nav__brand-mark {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  flex: 0 0 43px;
  color: var(--bg);
  background: var(--ink);
  clip-path: polygon(50% 0, 100% 28%, 88% 83%, 48% 100%, 4% 74%, 0 27%);
  font-size: 0.7rem;
  letter-spacing: -0.08em;
  transition: transform 240ms var(--ease);
}

.nav__brand:hover .nav__brand-mark {
  transform: rotate(-8deg) scale(1.04);
}

.nav__brand-text {
  font-size: 0.96rem;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(1.3rem, 2.5vw, 2.8rem);
}

.nav__links,
.nav__actions,
.hero__roles,
.stats,
.timeline,
.timeline__list,
.tags,
.chips {
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.nav__links a {
  position: relative;
  padding-block: 0.55rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.nav__links a::after {
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: 0.25rem;
  width: 100%;
  height: 2px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease);
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

[dir="rtl"] .nav__links a::after {
  transform-origin: left;
}

[dir="rtl"] .nav__links a:hover::after,
[dir="rtl"] .nav__links a:focus-visible::after {
  transform-origin: right;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding-inline: 0.6rem;
  border: 1px solid var(--line);
  background: var(--bg);
}

.lang-switch__btn {
  padding: 0.3rem 0.35rem;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 0.7rem;
  font-weight: 800;
  cursor: pointer;
}

.lang-switch__btn[aria-pressed="true"] {
  color: var(--ink);
}

.lang-switch__sep {
  color: var(--line-strong);
  font-size: 0.65rem;
}

.theme-toggle,
.icon-link,
.nav__toggle {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--bg);
  text-decoration: none;
  cursor: pointer;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms var(--ease);
}

.theme-toggle:hover,
.icon-link:hover {
  color: var(--bg);
  border-color: var(--ink);
  background: var(--ink);
  transform: translateY(-2px);
}

.theme-toggle__sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle__sun {
  display: block;
}

html[data-theme="dark"] .theme-toggle__moon {
  display: none;
}

.nav__toggle {
  display: none;
  position: relative;
  gap: 4px;
  border: 0;
  background: transparent;
}

.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  padding-block: calc(var(--header-height) + 56px) 80px;
  overflow: hidden;
  background:
    linear-gradient(90deg, var(--surface) 0%, var(--surface) 50%, var(--bg) 50%, var(--bg) 100%);
}

.hero::after {
  position: absolute;
  inset-inline: 50% auto;
  inset-block: 0;
  width: 1px;
  content: "";
  background: var(--line);
  opacity: 0.45;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(3rem, 6vw, 7rem);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 610px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.6rem;
  color: var(--muted);
  font-size: clamp(0.72rem, 1vw, 0.86rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero__eyebrow::before {
  width: 38px;
  height: 2px;
  content: "";
  background: var(--ink);
}

.hero__title {
  margin: 0;
  font-size: clamp(3.75rem, 6.1vw, 6.9rem);
  font-weight: 900;
  line-height: 0.84;
  letter-spacing: -0.075em;
}

.hero__title span {
  display: block;
  white-space: nowrap;
}

.hero__title-outline {
  color: transparent;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}

.hero__title-solid {
  color: var(--ink);
}

.hero__subtitle {
  max-width: 590px;
  margin: 2.2rem 0 0;
  font-size: clamp(1.05rem, 1.55vw, 1.34rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.hero__text {
  max-width: 570px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.8;
}

.hero__roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.4rem;
  margin-block: 1.7rem 1.9rem;
}

.hero__roles li {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  color: var(--muted);
  font-size: 0.79rem;
  font-weight: 700;
}

.hero__roles li::before {
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  content: "";
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block-end: 1rem;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.72rem 1.15rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms var(--ease),
    box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 5px 5px 0 var(--line-strong);
}

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

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

.btn--ghost:hover,
.btn--small:hover {
  color: var(--bg);
  background: var(--ink);
}

.btn--small {
  min-height: 38px;
  padding: 0.58rem 0.9rem;
  font-size: 0.73rem;
}

.btn--disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.btn--disabled:hover {
  color: var(--ink);
  background: transparent;
  box-shadow: none;
  transform: none;
}

.hero__socials {
  display: flex;
  gap: 0.7rem;
}

.hero__social-link {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--bg);
  background: var(--ink);
  text-decoration: none;
  transition: transform 180ms var(--ease), box-shadow 180ms ease;
}

.hero__social-link:hover {
  box-shadow: 5px 5px 0 var(--line-strong);
  transform: translateY(-3px);
}

.hero__media {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 600px;
  place-items: center;
}

.profile-scene {
  position: relative;
  width: min(100%, 540px);
  min-height: 600px;
}

.profile-card {
  position: absolute;
  z-index: 2;
  inset: 7% 8% 5% 10%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 44% 56% 42% 58% / 36% 38% 62% 64%;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.profile-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 58%, rgba(0, 0, 0, 0.16));
  pointer-events: none;
}

.profile-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 23%;
  filter: saturate(0.88) contrast(1.02);
  transform: scale(1.015);
}

.profile-scene__shape {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  pointer-events: none;
}

.profile-scene__shape--one {
  inset: 2% 0 auto auto;
  width: 220px;
  height: 220px;
}

.profile-scene__shape--two {
  inset: auto auto 0 0;
  width: 180px;
  height: 180px;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 8px,
    var(--line) 8px,
    var(--line) 9px
  );
  opacity: 0.65;
}

.profile-orbit {
  position: absolute;
  z-index: 4;
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  border: 8px solid var(--bg);
  border-radius: 50%;
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-small);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.profile-orbit--code {
  inset-block-start: 5%;
  inset-inline-start: 5%;
  font-size: 1rem;
}

.profile-orbit--api {
  inset-block-start: 9%;
  inset-inline-end: 2%;
}

.profile-orbit--db {
  inset-inline-start: 11%;
  inset-block-end: 8%;
  font-size: 0.92rem;
}

.profile-scene__note {
  position: absolute;
  z-index: 5;
  inset-inline-end: -1%;
  inset-block-end: 8%;
  min-width: 160px;
  padding: 0.85rem 1rem;
  color: #111;
  background: #fff;
  box-shadow: var(--shadow-small);
  font-size: 0.78rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.profile-scene__note strong {
  font-size: 0.92rem;
}

/* Shared section language */
.section {
  position: relative;
  padding-block: clamp(6rem, 10vw, 10rem);
}

.section--alt {
  background: var(--surface);
}

.section__kicker {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  margin: 0 0 1.1rem;
  padding-inline: 0.9rem;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section--alt .section__kicker {
  background: var(--bg);
}

.section__title {
  max-width: 880px;
  margin: 0 0 clamp(2.6rem, 5vw, 4.8rem);
  font-size: clamp(2.7rem, 5vw, 5.8rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.065em;
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: clamp(3rem, 7vw, 7.5rem);
}

.about__visual {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 0 0 2.5rem;
  padding-inline-start: 2.5rem;
}

.about__visual::before {
  position: absolute;
  z-index: -1;
  inset-inline-start: 0;
  inset-block-end: 0;
  width: 74%;
  height: 72%;
  content: "";
  background: var(--ink);
}

.about__visual::after {
  position: absolute;
  z-index: -1;
  inset-inline-end: -28px;
  inset-block-start: 9%;
  width: 138px;
  height: 138px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  content: "";
}

.about__visual-frame {
  position: relative;
  height: clamp(500px, 56vw, 690px);
  overflow: hidden;
  background: var(--surface);
}

.about__visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 17%;
  filter: grayscale(0.72) contrast(1.04);
  transition: filter 300ms ease, transform 700ms var(--ease);
}

.about__visual:hover .about__visual-img {
  filter: grayscale(0.25) contrast(1.02);
  transform: scale(1.025);
}

.about__visual-note {
  position: absolute;
  inset-inline-end: -20px;
  inset-block-end: 0;
  display: grid;
  min-width: 180px;
  padding: 1.1rem 1.25rem;
  color: #111;
  background: #fff;
  box-shadow: var(--shadow-small);
  line-height: 1.2;
}

.about__visual-note strong {
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -0.06em;
}

.about__visual-note span {
  margin-block-start: 0.45rem;
  color: #555;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.about__content {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.2rem);
}

.about__text {
  position: relative;
  padding-inline-start: clamp(1.5rem, 3vw, 3rem);
}

.about__text::before {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 3px;
  content: "";
  background: var(--ink);
}

.about__text p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
}

.about__text p + p {
  margin-block-start: 1.25rem;
}

.about__text p:first-child {
  color: var(--ink);
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid var(--ink);
  border-inline-start: 1px solid var(--ink);
}

.stat {
  min-height: 150px;
  padding: 1.35rem;
  border-block-end: 1px solid var(--ink);
  border-inline-end: 1px solid var(--ink);
  background: var(--bg);
}

.stat:first-child {
  color: var(--bg);
  background: var(--ink);
}

.stat__value,
.stat__label {
  display: block;
}

.stat__value {
  font-size: clamp(2rem, 3.5vw, 3.7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.06em;
}

.stat__label {
  margin-block-start: 1.1rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.35;
}

.stat:first-child .stat__label {
  color: color-mix(in srgb, var(--bg) 70%, transparent);
}

.profile-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-block-start: clamp(3rem, 7vw, 6rem);
  border: 1px solid var(--ink);
  background: var(--ink);
}

.profile-detail-card {
  position: relative;
  min-width: 0;
  padding: clamp(1.6rem, 3vw, 2.7rem);
  background: var(--bg);
}

.profile-detail-card--work {
  background: var(--surface);
}

.profile-detail-card__head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  margin-block-end: clamp(1.4rem, 3vw, 2.2rem);
}

.profile-detail-card__number {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  flex: 0 0 42px;
  color: var(--bg);
  background: var(--ink);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.profile-detail-card__title {
  margin: 0;
  font-size: clamp(1.45rem, 2.5vw, 2.2rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.language-list,
.work-style-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.language-list {
  border-block-start: 1px solid var(--line);
}

.language-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-height: 64px;
  border-block-end: 1px solid var(--line);
  color: var(--muted);
}

.language-list strong {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-align: end;
  text-transform: uppercase;
}

.work-style-list {
  display: grid;
  gap: 1rem;
}

.work-style-list li {
  position: relative;
  min-height: 2rem;
  padding-inline-start: 2rem;
  color: var(--muted);
  line-height: 1.55;
}

.work-style-list li::before {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.03em;
  color: var(--ink);
  content: "✓";
  font-size: 1.15rem;
  font-weight: 900;
}

/* Experience */
.timeline {
  position: relative;
  max-width: 1060px;
}

.timeline::before {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 9px;
  width: 1px;
  content: "";
  background: var(--line-strong);
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}

.timeline__item + .timeline__item {
  margin-block-start: 1.4rem;
}

.timeline__marker {
  position: relative;
  z-index: 2;
  width: 19px;
  height: 19px;
  margin-block-start: 1.85rem;
  border: 5px solid var(--surface);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.timeline__card {
  display: grid;
  grid-template-columns: minmax(170px, 0.28fr) minmax(0, 0.72fr);
  padding: clamp(1.6rem, 3vw, 2.5rem);
  border-block-start: 1px solid var(--line-strong);
  background: var(--bg);
  transition: transform 220ms var(--ease), box-shadow 220ms ease;
}

.timeline__card:hover {
  box-shadow: var(--shadow-small);
  transform: translateX(8px);
}

[dir="rtl"] .timeline__card:hover {
  transform: translateX(-8px);
}

.timeline__date {
  grid-row: 1 / span 3;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.timeline__role {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.timeline__org {
  margin: 0.45rem 0 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.timeline__org-link {
  color: inherit;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.timeline__org-link:hover {
  color: var(--ink);
  text-decoration-color: currentColor;
}

.timeline__list {
  display: grid;
  gap: 0.5rem;
}

.timeline__list li {
  position: relative;
  padding-inline-start: 1rem;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
}

.timeline__list li::before {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.72em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  content: "";
  background: var(--ink);
}

/* Projects */
.projects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid var(--ink);
  border-inline-start: 1px solid var(--ink);
  counter-reset: project;
}

.project {
  position: relative;
  display: flex;
  min-height: 440px;
  flex-direction: column;
  padding: clamp(1.6rem, 3vw, 2.6rem);
  border-block-end: 1px solid var(--ink);
  border-inline-end: 1px solid var(--ink);
  background: var(--bg);
  counter-increment: project;
  transition: color 240ms ease, background-color 240ms ease;
}

.project::before {
  margin-block-end: 3rem;
  color: var(--muted);
  content: "0" counter(project);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.project:hover {
  color: var(--bg);
  background: var(--ink);
}

.project:hover .project__desc,
.project:hover .project__period,
.project:hover::before {
  color: color-mix(in srgb, var(--bg) 68%, transparent);
}

.project:hover .tag,
.project:hover .badge,
.project:hover .btn {
  color: var(--bg);
  border-color: color-mix(in srgb, var(--bg) 50%, transparent);
}

.project:hover .btn:hover {
  color: var(--ink);
  background: var(--bg);
}

.project__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.project__title {
  max-width: 430px;
  margin: 0;
  font-size: clamp(1.55rem, 2.8vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.project__desc {
  margin: 1.25rem 0 1.4rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.72;
  transition: color 240ms ease;
}

.project__period {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 240ms ease;
}

.project__period + .project__desc {
  margin-block-start: 0.65rem;
}

.project__org {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
  transition: color 240ms ease;
}

.project__org + .project__desc {
  margin-block-start: 0.85rem;
}

.project__list {
  display: grid;
  gap: 0.4rem;
  padding: 0;
  margin: 0 0 1.2rem;
  list-style: none;
}

.project__list li {
  position: relative;
  padding-inline-start: 1rem;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  transition: color 240ms ease;
}

.project__list li::before {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.72em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  content: "";
  background: currentColor;
}

.project__stats {
  margin: 0 0 1.4rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project:hover .project__org,
.project:hover .project__list li {
  color: color-mix(in srgb, var(--bg) 68%, transparent);
}

.badge {
  flex: 0 0 auto;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--ink);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tags,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag,
.chip {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
}

.project__links {
  margin-block-start: auto;
  padding-block-start: 2rem;
}

/* Technology */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-block-start: 1px solid var(--line-strong);
}

.tech-card {
  grid-column: span 2;
  padding: 2rem 1.5rem 2.5rem;
  border-block-end: 1px solid var(--line-strong);
}

.tech-card:not(:nth-child(3n)) {
  border-inline-end: 1px solid var(--line-strong);
}

.tech-card:nth-child(4),
.tech-card:nth-child(5) {
  grid-column: span 3;
}

.tech-card__title {
  min-height: 56px;
  margin: 0 0 1.4rem;
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  letter-spacing: -0.03em;
}

.tech-card .chip {
  background: var(--bg);
}

/* Contact */
#contact {
  padding-block: clamp(5rem, 9vw, 9rem);
}

#contact .contact {
  position: relative;
  width: min(calc(100% - 48px), var(--container));
  padding: clamp(2.2rem, 6vw, 5rem);
  color: var(--bg);
  background: var(--ink);
  overflow: hidden;
}

#contact .contact::after {
  position: absolute;
  inset-inline-end: -90px;
  inset-block-start: -130px;
  width: 320px;
  height: 320px;
  border: 1px solid color-mix(in srgb, var(--bg) 25%, transparent);
  border-radius: 50%;
  content: "";
}

#contact .section__kicker {
  position: relative;
  z-index: 1;
  color: color-mix(in srgb, var(--bg) 70%, transparent);
  background: color-mix(in srgb, var(--bg) 10%, transparent);
}

#contact .section__title {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.contact__lead {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: -2.5rem 0 3rem;
  color: color-mix(in srgb, var(--bg) 67%, transparent);
  font-size: 1rem;
}

.contact__cards {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid color-mix(in srgb, var(--bg) 32%, transparent);
  border-inline-start: 1px solid color-mix(in srgb, var(--bg) 32%, transparent);
}

.contact-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  min-height: 112px;
  padding: 1rem 1.2rem;
  border-block-end: 1px solid color-mix(in srgb, var(--bg) 32%, transparent);
  border-inline-end: 1px solid color-mix(in srgb, var(--bg) 32%, transparent);
  color: var(--bg);
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease;
}

a.contact-card:hover {
  color: var(--ink);
  background: var(--bg);
}

.contact-card__icon {
  grid-row: 1 / span 2;
}

.contact-card__label {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-card__value {
  min-width: 0;
  overflow: hidden;
  color: currentColor;
  font-size: 0.85rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 0.7;
}

/* Footer */
.site-footer {
  padding-block: 3rem;
  border-block-start: 1px solid var(--line);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.2rem 2rem;
}

.site-footer__name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.site-footer__links {
  display: flex;
  gap: 1.2rem;
}

.site-footer__links a {
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.site-footer__meta {
  display: flex;
  grid-column: 1 / -1;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  padding-block-start: 1.2rem;
  border-block-start: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.7rem;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* RTL refinements */
[dir="rtl"] .hero__title {
  direction: ltr;
  text-align: right;
}

[dir="rtl"] .hero__eyebrow::before {
  order: 2;
}

/* Responsive */
@media (max-width: 1120px) {
  .nav__brand-text {
    display: none;
  }

  .nav__menu {
    gap: 1.2rem;
  }

  .nav__links {
    gap: 1rem;
  }

  .hero__grid {
    gap: 2.5rem;
  }

  .hero__title {
    font-size: clamp(3.4rem, 6vw, 5.4rem);
  }

  .profile-scene {
    transform: scale(0.92);
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 72px;
  }

  .hero {
    min-height: auto;
    padding-block: calc(var(--header-height) + 72px) 70px;
    background: var(--surface);
  }

  .hero::after {
    display: none;
  }

  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__content {
    max-width: 720px;
  }

  .hero__title {
    font-size: clamp(4rem, 12vw, 7rem);
  }

  .hero__media {
    min-height: 580px;
    margin-block-start: 1rem;
  }

  .profile-scene {
    transform: none;
  }

  .about__grid {
    grid-template-columns: 1fr;
  }

  .about__visual {
    width: min(100%, 620px);
  }

  .about__visual-frame {
    height: min(112vw, 720px);
  }

  .stats {
    max-width: 700px;
  }

  .profile-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav__toggle {
    display: inline-grid;
    z-index: 3;
  }

  .nav__menu {
    position: fixed;
    z-index: 2;
    inset: var(--header-height) 0 auto;
    display: grid;
    max-height: calc(100svh - var(--header-height));
    gap: 1.5rem;
    padding: 1.6rem 24px 2rem;
    overflow-y: auto;
    border-block-end: 1px solid var(--line);
    background: var(--bg);
    box-shadow: var(--shadow-small);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-16px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav__menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav__links {
    display: grid;
    gap: 0;
  }

  .nav__links a {
    display: block;
    padding-block: 0.8rem;
    border-block-end: 1px solid var(--line);
    font-size: 1rem;
  }

  .nav__links a::after {
    display: none;
  }

  .nav__actions {
    flex-wrap: wrap;
  }

  .nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .timeline__card {
    grid-template-columns: 1fr;
  }

  .timeline__date {
    grid-row: auto;
    margin-block-end: 0.65rem;
  }

  .projects {
    grid-template-columns: 1fr;
  }

  .project {
    min-height: 400px;
  }

  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tech-card,
  .tech-card:nth-child(4),
  .tech-card:nth-child(5) {
    grid-column: span 1;
    border-inline-end: 1px solid var(--line-strong);
  }

  .contact__cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .container,
  .nav,
  #contact .contact {
    width: min(calc(100% - 30px), var(--container));
  }

  .nav__brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .nav__actions .icon-link {
    display: none;
  }

  .hero {
    padding-block-start: calc(var(--header-height) + 48px);
  }

  .hero__eyebrow {
    display: block;
    margin-block-end: 1.2rem;
    letter-spacing: 0.06em;
    overflow-wrap: anywhere;
  }

  .hero__eyebrow::before {
    display: inline-block;
    margin-inline-end: 0.7rem;
    vertical-align: middle;
  }

  .hero__title {
    font-size: clamp(2.55rem, 13vw, 3.55rem);
    letter-spacing: -0.085em;
  }

  .hero__title span {
    white-space: nowrap;
  }

  .hero__subtitle {
    margin-block-start: 1.6rem;
  }

  .hero__media {
    min-height: 470px;
  }

  .profile-scene {
    min-height: 470px;
  }

  .profile-card {
    inset: 5% 5% 4%;
  }

  .profile-orbit {
    width: 62px;
    height: 62px;
    border-width: 6px;
  }

  .profile-orbit--api {
    inset-inline-end: -2%;
  }

  .profile-scene__note {
    inset-inline-end: 0;
    min-width: 135px;
    padding: 0.7rem 0.8rem;
  }

  .section {
    padding-block: 5.2rem;
  }

  .section__title {
    margin-block-end: 2.8rem;
    font-size: clamp(2.5rem, 13vw, 4.3rem);
  }

  .about__text {
    padding-inline-start: 1.2rem;
  }

  .about__visual {
    padding: 0 0 1.8rem;
    padding-inline-start: 1.4rem;
  }

  .about__visual::after {
    inset-inline-end: -8px;
    width: 90px;
    height: 90px;
  }

  .about__visual-frame {
    height: 125vw;
    max-height: 610px;
  }

  .about__visual-note {
    inset-inline-end: 0;
    min-width: 150px;
    padding: 0.85rem 1rem;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .stat {
    min-height: 130px;
  }

  .profile-detail-card {
    min-width: 0;
    max-width: 100%;
    padding: 1.4rem;
    overflow: hidden;
  }

  .profile-detail-card__title {
    font-size: 1.45rem;
  }

  .language-list li {
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 58px;
  }

  .language-list strong {
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    overflow-wrap: anywhere;
  }

  .work-style-list li {
    overflow-wrap: anywhere;
  }

  .timeline__item {
    gap: 1rem;
  }

  .timeline__card {
    padding: 1.25rem;
  }

  .project {
    min-height: auto;
    padding: 1.4rem;
  }

  .project::before {
    margin-block-end: 2rem;
  }

  .project__head {
    display: grid;
  }

  .badge {
    width: max-content;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .tech-card,
  .tech-card:nth-child(4),
  .tech-card:nth-child(5) {
    grid-column: auto;
  }

  #contact .contact {
    padding: 2rem 1.2rem;
  }

  .contact__lead {
    margin-block-start: -1.4rem;
  }

  .contact-card {
    grid-template-columns: 34px minmax(0, 1fr);
    padding-inline: 0.8rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .site-footer__links {
    justify-content: flex-start;
  }

  .site-footer__meta {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}