/*-----------------------------------*\
  #AEROSPACE STUDENT SITE
\*-----------------------------------*/

:root {
  --bg: #07111f;
  --bg-soft: #0d1a2d;
  --panel: rgba(11, 22, 39, 0.86);
  --panel-strong: #101d32;
  --line: rgba(156, 182, 219, 0.18);
  --text: #ebf3ff;
  --muted: #9fb4d4;
  --accent: #ff8c42;
  --accent-soft: #ffc27a;
  --sky: #76b7ff;
  --shadow: 0 24px 60px rgba(3, 7, 18, 0.45);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --ff-heading: "Space Grotesk", sans-serif;
  --ff-body: "IBM Plex Serif", serif;
  --fs-1: clamp(2.3rem, 4vw, 4.75rem);
  --fs-2: clamp(1.8rem, 2vw, 2.4rem);
  --fs-3: 1.3rem;
  --fs-4: 1.08rem;
  --fs-5: 0.96rem;
  --fs-6: 0.84rem;
  --transition: 220ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--ff-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(118, 183, 255, 0.16), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(255, 140, 66, 0.15), transparent 24%),
    linear-gradient(160deg, #040a13 0%, #07111f 44%, #0a1730 100%);
}

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

img,
button,
ion-icon,
time,
span {
  display: block;
}

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

address {
  font-style: normal;
}

li {
  list-style: none;
}

::selection {
  color: #09121f;
  background: var(--accent-soft);
}

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

.site-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 24px auto;
  display: grid;
  gap: 24px;
}

.sidebar,
article,
.navbar {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.sidebar {
  border-radius: var(--radius-lg);
  padding: 24px;
  max-height: 152px;
  overflow: hidden;
  transition: max-height 300ms ease;
}

.sidebar.active {
  max-height: 820px;
}

.sidebar-info {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
}

.avatar-box {
  width: 88px;
  height: 88px;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 140, 66, 0.18), rgba(118, 183, 255, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.avatar-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eyebrow,
.panel-label,
.project-label,
.note-type,
.tweet-handle,
.contact-title,
.timeline-tag {
  font-family: var(--ff-heading);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
}

.eyebrow,
.panel-label,
.project-label,
.note-type,
.tweet-handle,
.contact-title {
  color: var(--accent-soft);
}

.name,
.hero-title,
.h2,
.h3,
.h4 {
  font-family: var(--ff-heading);
  line-height: 1.05;
}

.name {
  font-size: clamp(1.3rem, 2vw, 2rem);
  max-width: 18ch;
  margin: 8px 0 10px;
}

.title,
.about-text p,
.intro-text p,
.tweet-text,
.contact-card p,
.timeline-item p,
.content-block p,
.note-card p,
.project-card p {
  color: var(--muted);
  line-height: 1.8;
}

.info_more-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: start;
  border-radius: 999px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  transition: background var(--transition), transform var(--transition);
}

.info_more-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-1px);
}

.sidebar-info_more {
  margin-top: 22px;
}

.separator {
  height: 1px;
  background: var(--line);
  margin: 22px 0;
}

.contacts-list,
.social-list {
  display: grid;
  gap: 14px;
}

.contact-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: start;
}

.icon-box {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--accent);
  background: linear-gradient(145deg, rgba(255, 140, 66, 0.14), rgba(118, 183, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.icon-box ion-icon {
  font-size: 1.2rem;
}

.contact-link,
.contact-info address {
  margin-top: 4px;
  color: var(--text);
  line-height: 1.6;
}

.sidebar-note {
  padding: 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(255, 140, 66, 0.08), rgba(118, 183, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-note-title {
  font-family: var(--ff-heading);
  margin-bottom: 10px;
}

.sidebar-note p:last-child {
  color: var(--muted);
  line-height: 1.75;
}

.social-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.social-link {
  border-radius: 16px;
  padding: 16px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.04);
  color: var(--sky);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--accent-soft);
  transform: translateY(-2px);
}

.main-content {
  display: grid;
  gap: 18px;
}

.navbar {
  border-radius: 999px;
  padding: 12px;
  overflow-x: auto;
}

.navbar-list {
  display: flex;
  gap: 10px;
}

.navbar-link {
  padding: 12px 18px;
  border-radius: 999px;
  font-family: var(--ff-heading);
  font-size: 0.92rem;
  color: var(--muted);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.navbar-link.active,
.navbar-link:hover {
  background: rgba(255, 140, 66, 0.14);
  color: var(--text);
}

article {
  display: none;
  border-radius: var(--radius-lg);
  padding: 28px;
}

article.active {
  display: block;
  animation: fade 300ms ease;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-card {
  display: grid;
  gap: 24px;
  padding: 28px;
  margin-bottom: 30px;
  border-radius: calc(var(--radius-lg) - 4px);
  background:
    linear-gradient(135deg, rgba(255, 140, 66, 0.14), transparent 36%),
    linear-gradient(150deg, rgba(118, 183, 255, 0.11), rgba(11, 22, 39, 0.66) 60%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-title {
  font-size: var(--fs-1);
  max-width: 14ch;
  margin: 14px 0 18px;
}

.hero-text {
  max-width: 58ch;
  color: var(--muted);
  font-size: var(--fs-4);
  line-height: 1.8;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button-primary,
.contact-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-family: var(--ff-heading);
  background: linear-gradient(135deg, var(--accent), #ffad66);
  color: #08111d;
  box-shadow: 0 16px 30px rgba(255, 140, 66, 0.24);
}

.status-pill {
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(118, 183, 255, 0.1);
  color: var(--sky);
  font-family: var(--ff-heading);
  font-size: 0.9rem;
}

.hero-panel,
.content-block,
.project-card,
.note-card,
.tweet-card,
.contact-card,
.timeline-item {
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-panel {
  padding: 22px;
  align-self: start;
}

.hero-metrics {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}

.hero-metrics strong {
  font-family: var(--ff-heading);
  font-size: 2rem;
  color: var(--text);
}

.hero-metrics span {
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.6;
}

.article-title {
  font-size: var(--fs-2);
  margin-bottom: 18px;
}

.article-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), rgba(118, 183, 255, 0.8));
}

.about-text {
  display: grid;
  gap: 16px;
}

.section-grid,
.project-grid,
.writing-grid,
.tweet-list,
.contact-grid {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.content-block,
.note-card,
.tweet-card,
.contact-card {
  padding: 22px;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.8;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--sky));
}

.journey {
  margin-top: 30px;
}

.timeline {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.timeline-item {
  padding: 22px;
}

.timeline-tag {
  color: var(--sky);
}

.timeline-item .h4 {
  margin: 10px 0 12px;
  font-size: 1.15rem;
}

.project-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.project-card {
  padding: 22px;
  display: grid;
  gap: 16px;
}

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

.project-year {
  font-family: var(--ff-heading);
  color: var(--sky);
  font-size: 0.88rem;
}

.highlight-card {
  background:
    linear-gradient(160deg, rgba(255, 140, 66, 0.18), rgba(118, 183, 255, 0.09)),
    var(--panel-strong);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list li {
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: var(--ff-heading);
  font-size: 0.8rem;
}

.writing-grid,
.tweet-list,
.contact-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.tweet-card time {
  margin-top: 14px;
  color: var(--sky);
  font-family: var(--ff-heading);
  font-size: 0.84rem;
}

.contact-cta {
  width: fit-content;
  margin-top: 18px;
}

@media (min-width: 900px) {
  .site-shell {
    grid-template-columns: 330px 1fr;
    align-items: start;
  }

  .sidebar {
    position: sticky;
    top: 24px;
    max-height: none;
    overflow: visible;
  }

  .info_more-btn {
    display: none;
  }

  .hero-card,
  .section-grid {
    grid-template-columns: 1.55fr 1fr;
  }
}

@media (max-width: 899px) {
  .sidebar {
    position: relative;
  }

  .sidebar-info {
    grid-template-columns: auto 1fr;
  }

  .info_more-btn {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .hero-title {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100% - 20px, 1240px);
    margin: 12px auto 24px;
  }

  .sidebar,
  article {
    padding: 20px;
    border-radius: 24px;
  }

  .navbar {
    padding: 10px;
  }

  .hero-card {
    padding: 22px;
  }

  .avatar-box {
    width: 72px;
    height: 72px;
  }
}