:root {
  --bg: #0b0f17;
  --bg-soft: #111827;
  --card: rgba(255, 255, 255, 0.055);
  --card-strong: rgba(255, 255, 255, 0.09);
  --text: #f8fafc;
  --muted: #aab4c2;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #2dd4bf;
  --accent-strong: #22c1ee;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius: 24px;
  --max-width: 1160px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(45, 212, 191, 0.16), transparent 28rem),
    radial-gradient(circle at 80% 0%, rgba(34, 193, 238, 0.16), transparent 24rem),
    var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

body.modal-open {
  overflow: hidden;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 999;
  padding: 10px 14px;
  background: var(--accent);
  color: #041014;
  border-radius: 10px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: min(100% - 32px, var(--max-width));
  margin-inline: auto;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(11, 15, 23, 0.78);
  border-bottom: 1px solid var(--line);
}

.navbar {
  min-height: var(--header-height);
  width: min(100% - 32px, var(--max-width));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(45, 212, 191, 0.5);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.18), rgba(34, 193, 238, 0.1));
  color: var(--accent);
}

.brand-text {
  font-size: 1.25rem;
}

.brand-text span {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav-menu a {
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  background: var(--accent);
  transition: transform 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--text);
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
  transform: scaleX(1);
}

.language-switcher {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.lang-btn {
  border: 0;
  color: var(--muted);
  background: transparent;
  padding: 7px 11px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-btn.active,
.lang-btn:hover,
.lang-btn:focus-visible {
  color: #041014;
  background: var(--accent);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3, p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h1 strong {
  display: block;
  margin-top: 18px;
  font-size: clamp(1.4rem, 3vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--muted);
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  line-height: 1.2;
}

.hero-text,
.section-heading p,
.section-body p,
.contact-card p {
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-text {
  max-width: 680px;
  margin: 28px 0 0;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: #031214;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.btn-secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.055);
}

.hero-card,
.contact-card,
.skill-card,
.project-card {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.hero-card {
  padding: 28px;
}

.profile-portrait {
  width: min(100%, 360px);
  aspect-ratio: 1;
  margin-inline: auto;
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.18), rgba(34, 193, 238, 0.06)),
    rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(45, 212, 191, 0.28);
}

.profile-portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-card h2 {
  margin-top: 24px;
  font-size: 1.3rem;
}

.focus-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.focus-list li {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  gap: 56px;
}

.section-heading.centered {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-body p:first-child {
  margin-top: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.stats-grid div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.stats-grid strong,
.stats-grid span {
  display: block;
}

.stats-grid strong {
  font-size: 1.45rem;
}

.stats-grid span {
  color: var(--muted);
  font-size: 0.9rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  background: var(--card-strong);
  border-color: rgba(45, 212, 191, 0.35);
}

.project-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.project-media {
  position: relative;
  min-height: clamp(220px, 24vw, 300px);
  display: flex;
  align-items: flex-end;
  padding: 18px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.22), rgba(34, 193, 238, 0.08)),
    linear-gradient(45deg, rgba(255, 255, 255, 0.08) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.08) 50%, rgba(255, 255, 255, 0.08) 75%, transparent 75%, transparent);
  background-size: auto, 28px 28px;
}

.project-cover,
.project-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-cover {
  opacity: 0.82;
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.project-video {
  opacity: 0;
  object-fit: contain;
  background: #061017;
  filter: saturate(0.95) contrast(1.02);
  transition: opacity 0.24s ease;
}

.project-video.is-visible {
  opacity: 0.88;
}

.project-card--interactive:hover .project-cover,
.project-card--interactive:focus-within .project-cover,
.project-card--interactive.is-active .project-cover {
  opacity: 0;
  transform: scale(1.02);
}

.project-card--interactive:hover .project-video,
.project-card--interactive:focus-within .project-video,
.project-card--interactive.is-active .project-video {
  opacity: 0.88;
}

.project-gallery {
  position: absolute;
  inset: 0;
}

.project-gallery img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.project-card--gallery:hover .project-cover,
.project-card--gallery:focus-within .project-cover {
  opacity: 0.12;
}

.project-card--gallery.is-active .project-cover {
  opacity: 0.12;
}

.project-card--gallery.is-active .project-gallery img {
  animation: projectGalleryCycle 6s infinite;
}

.project-card--gallery.is-active .project-gallery img:nth-child(2) {
  animation-delay: 2s;
}

.project-card--gallery.is-active .project-gallery img:nth-child(3) {
  animation-delay: 4s;
}

@keyframes projectGalleryCycle {
  0%,
  24% {
    opacity: 0;
  }

  33%,
  57% {
    opacity: 0.95;
  }

  66%,
  100% {
    opacity: 0;
  }
}

.project-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 18, 0.03), rgba(5, 10, 18, 0.28));
  pointer-events: none;
}

.project-media > span {
  position: relative;
  z-index: 1;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.32);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 800;
}

.project-gallery-indicator {
  position: absolute;
  top: 18px;
  left: 18px;
  right: 18px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.project-gallery-pill {
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.32);
  font-size: 0.74rem;
  font-weight: 800;
}

.project-gallery-dots {
  display: inline-flex;
  gap: 6px;
}

.project-gallery-dots span {
  display: block;
  padding: 0;
  border: 0;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
}

.project-content {
  padding: 20px 22px 22px;
}

.project-outcome {
  margin: 14px 0 0;
  color: var(--text);
  font-size: 0.95rem;
}

.project-placeholder-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 6px;
  max-width: 220px;
  margin-top: auto;
}

.project-placeholder-copy strong {
  font-size: 1rem;
  line-height: 1.2;
}

.project-placeholder-copy span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.project-content p,
.skill-card p,
.timeline-item p {
  color: var(--muted);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tech-list span {
  padding: 6px 9px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(45, 212, 191, 0.1);
  font-size: 0.78rem;
  font-weight: 800;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  padding: 22px 22px 22px 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
}

body[dir="rtl"] .timeline-item {
  padding: 22px 28px 22px 22px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 999px;
  background: var(--accent);
}

body[dir="rtl"] .timeline-item::before {
  left: auto;
  right: -1px;
}

.timeline-item span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.skill-card {
  padding: 24px;
}

.contact-section {
  padding-bottom: 72px;
}

.contact-card {
  padding: clamp(28px, 6vw, 56px);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(45, 212, 191, 0.15), transparent 22rem),
    var(--card);
}

.contact-actions {
  justify-content: center;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.footer-content p {
  margin: 0;
}

.footer-content a {
  color: var(--accent);
  font-weight: 800;
}

.project-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
}

.project-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 15, 0.78);
  backdrop-filter: blur(14px);
}

.project-modal-dialog {
  position: relative;
  width: min(100% - 32px, 1120px);
  max-height: calc(100vh - 48px);
  margin: 24px auto;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #0f1722;
  box-shadow: var(--shadow);
}

.project-modal-close {
  position: sticky;
  top: 0;
  z-index: 2;
  margin-left: auto;
  display: block;
  padding: 16px 18px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}

.project-modal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 0;
}

.project-modal-media {
  display: grid;
  gap: 14px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.02);
}

.project-modal-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #08111a;
}

.project-modal-frame img,
.project-modal-frame video {
  display: block;
  width: 100%;
  height: auto;
}

.project-modal-video-trigger {
  display: grid;
  place-items: center;
  gap: 10px;
  width: 100%;
  min-height: 320px;
  padding: 32px;
  border: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 25% 20%, rgba(75, 107, 135, 0.34), transparent 34%),
    linear-gradient(135deg, #101b25 0%, #071018 100%);
  background-position: center;
  background-size: cover;
  cursor: pointer;
  text-align: center;
}

.project-modal-video-trigger:hover,
.project-modal-video-trigger:focus-visible {
  outline: none;
}

.project-modal-video-trigger:disabled {
  cursor: wait;
}

.project-modal-video-trigger:disabled .project-modal-video-icon {
  opacity: 0.7;
  transform: none;
}

.project-modal-video-trigger:focus-visible .project-modal-video-icon,
.project-modal-video-trigger:hover .project-modal-video-icon {
  transform: translateY(-2px) scale(1.04);
  border-color: rgba(255, 255, 255, 0.46);
}

.project-modal-video-icon {
  display: inline-grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-modal-video-trigger strong {
  max-width: 420px;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 2rem);
  line-height: 1.05;
}

.project-modal-video-trigger span:last-child {
  color: var(--muted);
  font-size: 0.92rem;
}

.project-modal-empty {
  display: grid;
  place-items: center;
  min-height: 240px;
  border: 1px dashed var(--line);
  border-radius: 20px;
  color: var(--muted);
  text-align: center;
  padding: 24px;
}

.project-modal-body {
  padding: 18px 24px 28px;
}

.project-modal-body h2 {
  margin-bottom: 22px;
}

.project-modal-section + .project-modal-section {
  margin-top: 18px;
}

.project-modal-section h3 {
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-modal-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-modal-tools span {
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(45, 212, 191, 0.1);
  font-size: 0.8rem;
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 560px;
  }

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

  .project-media {
    min-height: 240px;
  }

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

  .project-modal-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 68px;
  }

  .navbar {
    min-height: var(--header-height);
  }

  .nav-toggle {
    display: inline-block;
    order: 3;
  }

  .language-switcher {
    margin-left: auto;
  }

  body[dir="rtl"] .language-switcher {
    margin-left: 0;
    margin-right: auto;
  }

  .nav-menu {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    display: grid;
    gap: 8px;
    padding: 18px 16px 22px;
    background: rgba(11, 15, 23, 0.97);
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform 0.24s ease;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-menu a {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
  }

  .nav-menu a::after {
    display: none;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

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

  .project-media {
    min-height: 220px;
  }

  .project-card--interactive .project-cover {
    opacity: 0.9;
    transform: none;
  }

  .project-card--interactive .project-video {
    opacity: 0;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .project-gallery-indicator {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .container,
  .navbar {
    width: min(100% - 24px, var(--max-width));
  }

  .brand-text {
    display: none;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.5rem, 16vw, 4rem);
  }

  .project-media {
    min-height: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::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;
  }
}