:root {
  --bg: #fff7de;
  --surface: rgba(255, 253, 246, 0.94);
  --surface-strong: #fff0c8;
  --text: #22343b;
  --muted: #617078;
  --line: rgba(42, 111, 122, 0.22);
  --primary: #12aaa8;
  --primary-dark: #087e89;
  --accent: #ff6f91;
  --sun: #ffd166;
  --sand: #ffe1a6;
  --sea: #7adfd8;
  --pink: #ffb3c7;
  --shell: #fff8ef;
  --shadow: 0 22px 60px rgba(23, 49, 58, 0.15);
  --cursor-mouse: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='34' height='34' viewBox='0 0 34 34'%3E%3Cpath fill='%2322343b' d='M6 3 27 18l-10 2.2 6.2 7.8-4.9 3.5-5.9-7.8L6 31Z'/%3E%3Cpath fill='%23ffffff' d='M8.4 7.7v16.8l3.5-5.3 6.9 9.1 1.5-1.1-7.1-9.1 7.6-1.6Z'/%3E%3C/svg%3E") 4 4, auto;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(255, 179, 199, 0.28) 0 18%, transparent 18% 100%),
    radial-gradient(circle at 12% 9%, rgba(255, 209, 102, 0.9) 0 9rem, transparent 9.2rem),
    linear-gradient(180deg, #ffeaa8 0%, #fff7de 36%, #d9f7f3 68%, #7adfd8 100%);
  color: var(--text);
  cursor: var(--cursor-mouse);
  font-family: "Inter", system-ui, sans-serif;
  line-height: 1.6;
}

body.dark {
  --bg: #061522;
  --surface: rgba(12, 31, 45, 0.92);
  --surface-strong: #123d4c;
  --text: #f6f0dc;
  --muted: #b7c6c9;
  --line: rgba(139, 211, 219, 0.2);
  --primary: #8bd3db;
  --primary-dark: #58c4d0;
  --accent: #ffb3c7;
  --sun: #f6c177;
  --sand: #263948;
  --sea: #123d4c;
  --pink: #f5a6c8;
  --shell: #16293a;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.4);
  background:
    linear-gradient(135deg, rgba(245, 166, 200, 0.12) 0 20%, transparent 20% 100%),
    radial-gradient(circle at 78% 12%, rgba(246, 241, 213, 0.95) 0 3.1rem, transparent 3.2rem),
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.7) 0 0.08rem, transparent 0.12rem),
    radial-gradient(circle at 30% 8%, rgba(255, 255, 255, 0.55) 0 0.07rem, transparent 0.11rem),
    radial-gradient(circle at 58% 18%, rgba(255, 255, 255, 0.45) 0 0.08rem, transparent 0.12rem),
    linear-gradient(180deg, #061522 0%, #102c43 48%, #123d4c 76%, #263948 100%);
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
  cursor: var(--cursor-mouse);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(1120px, calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
}

.logo {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 700;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 700;
  font-size: 0.94rem;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--surface-strong);
  color: var(--primary-dark);
}

.icon-button,
.menu-toggle,
.back-to-top {
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  cursor: var(--cursor-mouse);
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  justify-self: end;
  border-radius: var(--radius);
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  margin: 2px 0;
  background: currentColor;
  transition: transform 220ms ease, opacity 220ms ease;
}

.menu-toggle.open span:first-child {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0;
}

.section::before {
  content: "";
  display: block;
  width: 74px;
  height: 12px;
  margin-bottom: 18px;
  background: repeating-linear-gradient(90deg, var(--accent) 0 10px, transparent 10px 18px);
  border-radius: 999px;
  opacity: 0.42;
}

.hero {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(36px, 7vw, 88px);
  min-height: calc(100vh - 76px);
  padding-top: 56px;
}

.hero-media {
  position: relative;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 2px solid var(--sun);
  border-radius: var(--radius);
}

.hero-media img,
.about-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-media::after {
  content: "~";
  position: absolute;
  right: -10px;
  top: -26px;
  color: var(--accent);
  font-family: "Playfair Display", serif;
  font-size: 5rem;
  line-height: 1;
  transform: rotate(12deg);
}

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

h1,
h2,
h3 {
  line-height: 1.1;
}

h1,
h2 {
  font-family: "Playfair Display", serif;
}

h1 {
  max-width: 720px;
  margin: 8px 0 18px;
  font-size: clamp(3rem, 7vw, 5.8rem);
}

h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

h3 {
  font-size: 1.2rem;
}

.hero-subtitle {
  max-width: 610px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions,
.social-row,
.personality-strip,
.card-actions,
.contact-actions,
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-actions {
  margin-top: 28px;
}

.personality-strip {
  margin-top: 22px;
}

.personality-strip span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--shell) 88%, transparent);
  color: var(--primary-dark);
  font-size: 0.88rem;
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: var(--cursor-mouse);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn:hover,
.contact-link:hover,
.social-row a:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: var(--primary-dark);
  color: #ffffff;
}

.btn.secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.btn.compact {
  min-height: 42px;
  padding: 0 14px;
  font-size: 0.92rem;
}

.social-row {
  margin-top: 22px;
}

.social-row a {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--primary-dark);
  transition: transform 180ms ease;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 34px;
}

.about-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.about-content {
  display: grid;
  gap: 20px;
  color: var(--muted);
  font-size: 1.04rem;
}

.stat-grid,
.experience-logo-grid,
.tech-grid,
.projects-grid,
.events-grid {
  display: grid;
  gap: 18px;
}

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

.stat-grid article,
.experience-logo-card,
.tech-card,
.project-card,
.event-card,
.contact-copy {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 36px rgba(31, 33, 37, 0.06);
}

.stat-grid article {
  padding: 18px;
}

.stat-grid span {
  display: block;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.stat-grid strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
}

.experience-logo-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.experience-logo-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 210px;
  padding: 28px;
  text-align: center;
  outline: none;
  isolation: isolate;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.experience-logo-card:hover,
.experience-logo-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  z-index: 5;
}

.company-logo {
  width: min(100%, 260px);
  height: 112px;
  object-fit: contain;
  filter: drop-shadow(0 14px 20px rgba(23, 49, 58, 0.12));
  transition: transform 180ms ease;
}

.experience-logo-card:hover .company-logo,
.experience-logo-card:focus-visible .company-logo,
.experience-logo-card:focus-within .company-logo {
  transform: scale(0.94);
}

.taghleef-logo {
  height: 132px;
}

.experience-popover {
  position: absolute;
  left: 18px;
  right: 18px;
  top: calc(100% - 22px);
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--muted);
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.98);
  transition: opacity 180ms ease, transform 180ms ease;
}

.experience-logo-card:hover .experience-popover,
.experience-logo-card:focus-visible .experience-popover,
.experience-logo-card:focus-within .experience-popover {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.experience-popover span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.experience-popover strong {
  color: var(--text);
}

.experience-popover ul {
  display: grid;
  gap: 8px;
  padding-left: 18px;
}

.tech-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tech-card {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 24px;
}

.tech-card > i {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--primary-dark);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-row span {
  padding: 8px 11px;
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--muted);
  font-weight: 700;
  font-size: 0.9rem;
}

.filter-bar {
  margin-bottom: 20px;
}

.filter-btn {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-weight: 800;
  cursor: var(--cursor-mouse);
}

.filter-btn.active {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #ffffff;
}

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

.project-card {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.project-card[hidden] {
  display: none;
}

.project-card img,
.event-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
}

.project-card p,
.event-card p {
  color: var(--muted);
}

.events-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.event-card {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: center;
}

.contact-copy {
  display: grid;
  gap: 20px;
  padding: 28px;
}

.contact-copy p {
  color: var(--muted);
  font-size: 1.12rem;
}

.contact-actions {
  align-items: stretch;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
  font-weight: 800;
  cursor: var(--cursor-mouse);
  transition: transform 180ms ease;
}

.contact-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.contact-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
}

.contact-gallery img:first-child {
  grid-row: span 2;
  aspect-ratio: auto;
  height: 100%;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .nav-shell {
    grid-template-columns: auto auto auto;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .nav-links {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 84px;
    display: grid;
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

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

  .nav-links a {
    justify-content: center;
  }

  .hero,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media,
  .about-image {
    max-width: 420px;
    margin: 0 auto;
  }

  .hero-copy,
  .section-heading {
    text-align: center;
  }

  .hero-actions,
  .social-row,
  .personality-strip,
  .filter-bar,
  .card-actions,
  .contact-actions {
    justify-content: center;
  }

  .tech-grid,
  .experience-logo-grid,
  .events-grid {
    grid-template-columns: 1fr;
  }

  .experience-popover {
    left: 12px;
    right: 12px;
    top: calc(100% - 18px);
  }

  .contact-gallery {
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .nav-shell,
  .section,
  footer {
    width: min(100% - 28px, 1120px);
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 34px;
  }

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

  .btn,
  .contact-link {
    width: 100%;
  }

  .hero-actions,
  .contact-actions {
    width: 100%;
  }
}