/* ============================================
   Nedim Numanovic — Portfolio
   Design tokens & base
   ============================================ */

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --accent: #2d52a2;
  --accent-hover: #4a6fd4;
  --text: #f0f0f0;
  --text-muted: #8b8fa8;
  --header-h: 4rem;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --transition: 0.25s ease;
  --font-body: "Inter", system-ui, sans-serif;
  --font-heading: "Syne", system-ui, sans-serif;
  --container-max: min(1360px, 94vw);
  --container-pad: clamp(1rem, 4vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ----- Navigation ----- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(15, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.nav__logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  text-decoration: none;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 102;
}

@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle-bar {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}

.nav.is-open .nav__toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav.is-open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav.is-open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav.is-open .nav__backdrop {
  opacity: 1;
  visibility: visible;
}

.nav__menu {
  list-style: none;
  margin: 0;
  padding: 5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100vh;
  height: 100dvh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 101;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.4);
}

.nav.is-open .nav__menu {
  transform: translateX(0);
}

@media (min-width: 768px) {
  .nav__menu {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 1.75rem;
    padding: 0;
    width: auto;
    height: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    transform: none;
    transition: none;
  }
}

.nav__link {
  display: block;
  padding: 0.65rem 0;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 1.05rem;
  border-radius: 8px;
  transition: color var(--transition);
}

@media (min-width: 768px) {
  .nav__link {
    padding: 0.35rem 0;
    font-size: 0.95rem;
  }
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--accent-hover);
}

/* ----- Hero ----- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 2rem) 0 3rem;
  overflow: hidden;
  background: #0f0f0f;
  background: linear-gradient(165deg, #0f0f0f 0%, var(--bg) 45%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at center, rgba(45, 82, 162, 0.12) 0%, transparent 55%),
    radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 100% 100%, 24px 24px;
  opacity: 0.65;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.4fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

.hero__content {
  min-width: 0;
}

.hero__label {
  font-size: 0.95rem;
  color: var(--accent-hover);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 0.5rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  margin: 0 0 1.25rem;
  min-height: 1.6em;
}

.typing-cursor::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 2px;
  background: var(--accent);
  vertical-align: -0.15em;
  animation: blink 1s step-end infinite;
}

@media (prefers-reduced-motion: reduce) {
  .typing-cursor::after {
    animation: none;
    opacity: 0;
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero__bio {
  color: var(--text);
  margin: 0 0 1.75rem;
  max-width: 58ch;
}

@media (min-width: 900px) {
  .hero__bio {
    max-width: none;
  }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn--primary {
  background: var(--accent);
  color: var(--text);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 82, 162, 0.35);
}

.btn--outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--accent);
  color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.hero__social {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition), transform var(--transition), background var(--transition);
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--accent-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.social-link__icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Decorative code window */

.hero__visual {
  display: flex;
  justify-content: center;
  min-width: 0;
}

@media (min-width: 1024px) {
  .hero__visual {
    justify-content: stretch;
  }
}

.code-window {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}

@media (min-width: 1024px) {
  .hero__visual .code-window {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .code-window {
    animation: none;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.code-window__bar {
  display: flex;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: #14161f;
  border-bottom: 1px solid var(--border);
}

.code-window__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3d4152;
}

.code-window__bar span:nth-child(1) {
  background: #e85d5d;
}

.code-window__bar span:nth-child(2) {
  background: #e8c35d;
}

.code-window__bar span:nth-child(3) {
  background: #5de88a;
}

.code-window__body {
  margin: 0;
  padding: 1.25rem;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--text-muted);
  overflow-x: auto;
}

.code-kw {
  color: var(--accent-hover);
}

.code-str {
  color: #7dd3a0;
}

.code-bool {
  color: #e8a87c;
}

.code-num {
  color: #c9a227;
}

.code-cmt {
  color: #5c6370;
}

/* ----- Sections ----- */

.section {
  padding: 4.5rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 5.5rem 0;
  }
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section__title--left {
  margin-bottom: 1.25rem;
}

.section__subtitle {
  color: var(--text-muted);
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
}

.section__intro {
  margin-bottom: 2rem;
}

.section__intro .section__title {
  margin-bottom: 0.35rem;
}

.section__intro--split {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.section__intro--split .section__title {
  margin-bottom: 0;
}

.section__subtitle--inline {
  margin: 0;
  max-width: 36rem;
  text-align: right;
}

.section__subtitle--below-title {
  margin: 0.35rem 0 2.25rem;
  max-width: 40rem;
  line-height: 1.55;
}

.section--contact .section__intro {
  margin-bottom: 1.75rem;
}

@media (max-width: 640px) {
  .section__subtitle--inline {
    text-align: left;
    flex-basis: 100%;
  }
}

/* Scroll reveal */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ----- About ----- */

.about__layout {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

@media (min-width: 880px) {
  .about__layout {
    grid-template-columns: minmax(180px, 0.26fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }
}

.about__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  max-width: 280px;
}

@media (min-width: 880px) {
  .about__figure {
    max-width: none;
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

@media (max-width: 879px) {
  .about__figure {
    max-width: 220px;
    margin: 0 auto;
  }
}

.about__photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.about__grid {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

@media (min-width: 720px) {
  .about__grid {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: clamp(1.25rem, 2.5vw, 2rem);
    align-items: start;
  }
}

.about__text p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.about__text p:last-child {
  margin-bottom: 0;
}

.stats-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stats-card:hover {
  border-color: rgba(45, 82, 162, 0.45);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.stats-card__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stats-card__item {
  position: relative;
  padding-left: 0.85rem;
  border-left: 2px solid rgba(45, 82, 162, 0.65);
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.4;
}

/* ----- Projects ----- */

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.project-card__layout {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .project-card__layout {
    grid-template-columns: minmax(200px, 0.32fr) minmax(0, 1fr);
    gap: clamp(1.25rem, 2.5vw, 2.5rem);
    align-items: start;
  }
}

.project-card__aside {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

.project-card__aside .project-card__name {
  margin-bottom: 0;
}

.project-card__aside .project-card__tags {
  margin-bottom: 0;
}

.project-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.project-card__cta {
  align-self: flex-start;
}

/* Inline expand for project deliverables (coursework docs) */

.project-expand {
  margin-top: 0.25rem;
  background: rgba(45, 82, 162, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.project-expand__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition);
}

.project-expand__trigger::-webkit-details-marker {
  display: none;
}

.project-expand__trigger::marker {
  display: none;
  content: "";
}

.project-expand__trigger:hover,
.project-expand__trigger:focus-visible {
  background: rgba(45, 82, 162, 0.1);
  outline: none;
}

.project-expand[open] .project-expand__trigger {
  border-bottom: 1px solid var(--border);
}

.project-expand__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.project-expand__chevron {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  position: relative;
}

.project-expand__chevron::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  border-right: 2px solid var(--accent-hover);
  border-bottom: 2px solid var(--accent-hover);
  transform: translate(-65%, -75%) rotate(45deg);
  transition: transform var(--transition);
}

.project-expand[open] .project-expand__chevron::before {
  transform: translate(-50%, -35%) rotate(-135deg);
}

.project-expand__content {
  padding: 0.85rem 1rem 1rem;
}

.project-expand__intro {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.project-expand__list {
  margin: 0 0 0.85rem;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.project-expand__list li {
  margin-bottom: 0.4rem;
}

.project-expand__list li::marker {
  color: var(--accent);
}

.project-expand__list strong {
  color: var(--text);
  font-weight: 600;
}

.project-expand__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-hover);
  text-decoration: none;
}

.project-expand__link:hover,
.project-expand__link:focus-visible {
  text-decoration: underline;
}

.project-card__body {
  min-width: 0;
}

.project-card__body .project-card__desc {
  margin-top: 0;
}

.project-video {
  position: relative;
  width: 100%;
  margin: 0 0 1.25rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
  aspect-ratio: 16 / 9;
}

.project-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.project-video__fallback {
  margin: -0.5rem 0 1.25rem;
  font-size: 0.875rem;
}

.project-video__fallback a {
  color: var(--accent-hover);
  font-weight: 600;
  text-decoration: none;
}

.project-video__fallback a:hover,
.project-video__fallback a:focus-visible {
  text-decoration: underline;
}

.project-video__fallback-note {
  display: block;
  margin-top: 0.25rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.project-card__body .project-card__list {
  margin-bottom: 0;
}

.project-card:last-of-type {
  margin-bottom: 0;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  border-color: rgba(45, 82, 162, 0.35);
}

.project-card--featured {
  position: relative;
  padding: 2rem;
  margin-bottom: 1.75rem;
  background: linear-gradient(145deg, rgba(45, 82, 162, 0.18) 0%, var(--surface) 55%);
  border-color: rgba(45, 82, 162, 0.45);
  box-shadow: 0 0 0 1px rgba(45, 82, 162, 0.15);
}

@media (min-width: 768px) {
  .project-card--featured {
    padding: 2.25rem 2.5rem;
  }

  .project-card--featured .project-card__layout {
    grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
  }
}

.project-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  background: var(--accent);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.project-card__name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.project-card--featured .project-card__name {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  background: rgba(45, 82, 162, 0.2);
  color: var(--accent-hover);
  border: 1px solid rgba(45, 82, 162, 0.35);
}

.project-card__desc {
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.project-card__list {
  margin: 0 0 1.25rem;
  padding-left: 1.15rem;
  color: var(--text);
}

.project-card__list li {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.project-card__list li::marker {
  color: var(--accent);
}

/* ----- Skills ----- */

.skills__groups {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .skills__groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .skills__groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem 1.5rem;
  }
}

.skill-group__title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 0.85rem;
}

.skill-group__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-badge {
  font-size: 0.85rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition), color var(--transition);
}

.skill-badge:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
  box-shadow: 0 0 20px rgba(45, 82, 162, 0.35);
}

/* ----- Experience ----- */

.exp__grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .exp__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.exp-card:hover {
  border-color: rgba(45, 82, 162, 0.35);
  box-shadow: var(--shadow);
}

.exp-card__place {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
}

.exp-card__detail {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  color: var(--text-muted);
  margin: 0;
}

.exp-card__date {
  flex-shrink: 0;
  color: var(--text-muted);
}

.exp-card__highlight {
  margin: 0;
  font-size: 0.95rem;
  color: var(--accent-hover);
  font-weight: 600;
}

.looking-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.looking-list li {
  margin-bottom: 0.5rem;
}

.looking-list li::marker {
  color: var(--accent);
}

/* ----- Contact ----- */

.contact__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.35rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.contact-card__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  flex: 1;
  min-width: 0;
}

.contact-card:hover,
.contact-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 12px 36px rgba(45, 82, 162, 0.2);
}

.contact-card__icon-img {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 10px;
}

@media (min-width: 768px) {
  .contact-card__icon-img {
    width: 64px;
    height: 64px;
  }
}

.contact-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.contact-card__value {
  font-size: 0.95rem;
  color: var(--text);
  word-break: break-word;
}

/* ----- Capstone detail page ----- */

.page-hero {
  padding: calc(var(--header-h) + 3rem) 0 2.5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(45, 82, 162, 0.12) 0%, transparent 100%);
}

.page-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.page-hero__back:hover,
.page-hero__back:focus-visible {
  color: var(--accent-hover);
}

.page-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.page-hero__subtitle {
  margin: 0;
  max-width: 42rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.capstone-block {
  margin-bottom: 2.5rem;
}

.capstone-block:last-child {
  margin-bottom: 0;
}

.capstone-block__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.capstone-block__text {
  margin: 0 0 1rem;
  color: var(--text-muted);
  max-width: 48rem;
}

.capstone-block__text:last-child {
  margin-bottom: 0;
}

.capstone-block__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.section__subtitle code {
  font-size: 0.9em;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: rgba(45, 82, 162, 0.15);
  border: 1px solid rgba(45, 82, 162, 0.25);
  color: var(--accent-hover);
}

.section__subtitle a {
  color: var(--accent-hover);
  font-weight: 600;
  text-decoration: none;
}

.section__subtitle a:hover,
.section__subtitle a:focus-visible {
  text-decoration: underline;
}

.artifact-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .artifact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .artifact-grid--docs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.artifact-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.35rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.artifact-card:hover,
.artifact-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 12px 36px rgba(45, 82, 162, 0.2);
}

.artifact-card--pending {
  cursor: default;
  opacity: 0.85;
}

.artifact-card--pending:hover,
.artifact-card--pending:focus-visible {
  transform: none;
  border-color: var(--border);
  box-shadow: none;
}

.artifact-card__type {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-hover);
}

.artifact-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

.artifact-card__desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}

.artifact-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-hover);
}

.artifact-card__placeholder {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-muted);
}

.capstone-block--spaced {
  margin-top: 2.5rem;
}

.wireframe-card__media--link {
  display: block;
  text-decoration: none;
  transition: opacity var(--transition);
}

.wireframe-card__media--link:hover,
.wireframe-card__media--link:focus-visible {
  opacity: 0.92;
}

.wireframe-card__media--link img {
  object-fit: contain;
}

.wireframe-card__media--poster img {
  object-fit: cover;
}

.wireframe-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .wireframe-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.wireframe-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.wireframe-card:hover {
  border-color: rgba(45, 82, 162, 0.35);
  box-shadow: var(--shadow);
}

.wireframe-card__media {
  aspect-ratio: 16 / 10;
  background: rgba(45, 82, 162, 0.08);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.wireframe-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wireframe-card__placeholder {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.wireframe-card__body {
  padding: 1rem 1.25rem 1.25rem;
}

.wireframe-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.wireframe-card__caption {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.wireframe-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-hover);
  text-decoration: none;
}

.wireframe-card__link:hover,
.wireframe-card__link:focus-visible {
  text-decoration: underline;
}

.nav__link--active {
  color: var(--accent-hover);
}

/* ----- Capstone design catalog (expandable panels) ----- */

.design-catalog {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .design-catalog {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem 2.5rem;
    align-items: start;
  }
}

.design-catalog__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 1.25rem;
}

.design-catalog__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
}

.design-catalog__count {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-hover);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(45, 82, 162, 0.15);
  border: 1px solid rgba(45, 82, 162, 0.3);
}

.design-catalog__subsection {
  margin-bottom: 1.5rem;
}

.design-catalog__subsection:last-child {
  margin-bottom: 0;
}

.design-catalog__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 0 0 0.65rem;
  padding-left: 0.15rem;
}

.expand-panels {
  display: grid;
  gap: 0.65rem;
}

.expand-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.expand-panel:hover {
  border-color: rgba(45, 82, 162, 0.35);
}

.expand-panel[open] {
  border-color: rgba(45, 82, 162, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.expand-panel__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition);
}

.expand-panel__trigger::-webkit-details-marker {
  display: none;
}

.expand-panel__trigger::marker {
  display: none;
  content: "";
}

.expand-panel__trigger:hover,
.expand-panel__trigger:focus-visible {
  background: rgba(45, 82, 162, 0.06);
  outline: none;
}

.expand-panel[open] .expand-panel__trigger {
  border-bottom: 1px solid var(--border);
  background: rgba(45, 82, 162, 0.08);
}

.expand-panel__info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.expand-panel__name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.expand-panel__desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.expand-panel__chevron {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: rgba(45, 82, 162, 0.2);
  border: 1px solid rgba(45, 82, 162, 0.35);
  position: relative;
  transition: transform var(--transition), background var(--transition);
}

.expand-panel__chevron::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-right: 2px solid var(--accent-hover);
  border-bottom: 2px solid var(--accent-hover);
  transform: translate(-65%, -75%) rotate(45deg);
  transition: transform var(--transition);
}

.expand-panel[open] .expand-panel__chevron {
  background: var(--accent);
  border-color: var(--accent);
}

.expand-panel[open] .expand-panel__chevron::before {
  border-color: var(--text);
  transform: translate(-50%, -35%) rotate(-135deg);
}

.expand-panel__content {
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
}

.expand-panel__content img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
}

/* ----- Footer ----- */

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer__inner p {
  margin: 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}