/* ================================================================
   Ashley Spencer — Internship Portfolio
   Mobile-first styles using reusable design tokens
   ================================================================ */

:root {
  color-scheme: dark light;

  --color-bg: #0c0911;
  --color-bg-elevated: #120e18;
  --color-surface: #18121f;
  --color-surface-strong: #21182c;
  --color-text: #f8f4fb;
  --color-muted: #c9bfd2;
  --color-subtle: #a99db4;
  --color-accent: #b49af6;
  --color-accent-strong: #8f6ce7;
  --color-accent-soft: rgba(180, 154, 246, 0.12);
  --color-border: rgba(237, 226, 246, 0.14);
  --color-border-strong: rgba(180, 154, 246, 0.42);
  --color-focus: #f4c96b;
  --color-on-accent: #130d1b;

  --font-sans: "Segoe UI Variable", "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", Inter, system-ui, sans-serif;

  --text-xs: 0.78rem;
  --text-sm: 0.9rem;
  --text-base: 1rem;
  --text-md: clamp(1.05rem, 1rem + 0.2vw, 1.18rem);
  --text-lg: clamp(1.22rem, 1.1rem + 0.5vw, 1.55rem);
  --text-xl: clamp(2rem, 1.58rem + 1.9vw, 3.25rem);
  --text-hero: clamp(2.55rem, 1.72rem + 4vw, 5.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.55rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.3rem;
  --radius-xl: 1.8rem;
  --radius-pill: 999px;

  --shadow-sm: 0 0.6rem 1.7rem rgba(0, 0, 0, 0.18);
  --shadow-lg: 0 1.8rem 4rem rgba(0, 0, 0, 0.3);

  --container: 74rem;
  --content-narrow: 68ch;
  --transition: 180ms ease;
}

/* Base and accessibility */

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 85% 7%, rgba(117, 77, 190, 0.18), transparent 31rem),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

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

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

a {
  color: inherit;
}

button {
  font: inherit;
}

h1,
h2,
h3,
p,
dl,
dd,
figure {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-text);
  font-family: var(--font-display);
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  max-width: 14ch;
  margin-bottom: var(--space-6);
  font-size: var(--text-hero);
  letter-spacing: -0.055em;
}

h1 span {
  color: var(--color-accent);
}

h2 {
  margin-bottom: var(--space-5);
  font-size: var(--text-xl);
  letter-spacing: -0.035em;
}

h3 {
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

p {
  max-width: var(--content-narrow);
  margin-bottom: var(--space-5);
  color: var(--color-muted);
}

ul {
  margin-top: 0;
}

[hidden] {
  display: none !important;
}

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

#main-content:focus {
  outline: 0;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-4);
  left: var(--space-4);
  min-height: 2.75rem;
  padding: 0.65rem var(--space-5);
  border-radius: var(--radius-sm);
  background: var(--color-focus);
  color: #171009;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--transition);
}

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

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-20);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.8rem;
  height: 2px;
  background: currentColor;
  content: "";
}

/* Header and navigation */

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--color-border);
  background: rgba(12, 9, 17, 0.88);
  backdrop-filter: blur(1rem);
}

.header-inner {
  position: relative;
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-name {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-name-mark {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.menu-toggle {
  display: inline-flex;
  min-width: 5.7rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-weight: 750;
}

.menu-toggle:hover {
  border-color: var(--color-accent);
}

.menu-toggle-icon {
  display: grid;
  width: 1.1rem;
  gap: 0.23rem;
}

.menu-toggle-icon span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: var(--radius-pill);
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:first-child {
  transform: translateY(0.31rem) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:last-child {
  transform: translateY(-0.31rem) rotate(-45deg);
}

.site-nav {
  width: 100%;
  padding-block: 0 var(--space-4);
}

.site-nav ul {
  display: grid;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-nav a {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.55rem var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding-top: var(--space-16);
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 8%;
  right: -12rem;
  width: 27rem;
  height: 27rem;
  border: 1px solid rgba(180, 154, 246, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 4rem rgba(180, 154, 246, 0.025),
    0 0 0 8rem rgba(180, 154, 246, 0.018);
  content: "";
}

.hero-grid {
  display: grid;
  gap: var(--space-12);
  align-items: end;
}

.hero-intro {
  max-width: 65ch;
  font-size: var(--text-md);
}

.hero-value {
  max-width: 52ch;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.015em;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button:active:not(.button-disabled) {
  transform: translateY(0);
}

.button-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  box-shadow: 0 0.65rem 1.8rem rgba(143, 108, 231, 0.24);
}

.button-primary:hover {
  background: #c3adfa;
}

.button-secondary,
.resume-button {
  border-color: var(--color-border-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--color-text);
}

.button-secondary:hover,
.resume-button:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.button-disabled {
  border-color: var(--color-border);
  background: rgba(255, 255, 255, 0.035);
  color: var(--color-subtle);
  cursor: default;
  box-shadow: none;
}

.button-disabled:hover {
  transform: none;
}

.resume-note {
  margin-top: var(--space-3);
  margin-bottom: 0;
  color: var(--color-subtle);
  font-size: var(--text-sm);
}

.hero-profile {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(180, 154, 246, 0.1), transparent 48%),
    var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.profile-photo {
  position: relative;
  z-index: 1;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.profile-photo::after {
  position: absolute;
  inset: auto 0 0;
  height: 35%;
  background: linear-gradient(transparent, rgba(12, 9, 17, 0.32));
  content: "";
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
}

.profile-content {
  padding: var(--space-6);
}

.hero-profile::after {
  position: absolute;
  right: -4.5rem;
  bottom: -4.5rem;
  width: 10rem;
  height: 10rem;
  border: 1.5rem solid rgba(180, 154, 246, 0.06);
  border-radius: 50%;
  content: "";
}

.profile-status {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.status-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: #79d6b1;
  box-shadow: 0 0 0 0.28rem rgba(121, 214, 177, 0.12);
}

.profile-kicker {
  position: relative;
  z-index: 1;
  max-width: 17ch;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.profile-summary {
  position: relative;
  z-index: 1;
}

.profile-details {
  position: relative;
  z-index: 1;
  display: grid;
  margin-bottom: 0;
  border-top: 1px solid var(--color-border);
}

.profile-details div {
  display: grid;
  grid-template-columns: minmax(5rem, 0.65fr) 1fr;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.profile-details dt {
  color: var(--color-subtle);
  font-size: var(--text-sm);
}

.profile-details dd {
  margin: 0;
  color: var(--color-text);
  font-weight: 750;
}

/* Highlights */

.highlights {
  padding-bottom: var(--space-20);
}

.highlight-grid {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
}

.highlight-card {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.highlight-card:last-child {
  border-bottom: 0;
}

.highlight-number,
.capability-number {
  display: inline-block;
  margin-bottom: var(--space-8);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 850;
  letter-spacing: 0.12em;
}

.highlight-card h3 {
  margin-bottom: var(--space-3);
  font-size: 1.08rem;
}

.highlight-card p {
  margin-bottom: 0;
  font-size: var(--text-sm);
}

/* Shared section headings */

.section-heading {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.section-heading h2,
.section-heading p,
.section-heading .eyebrow {
  margin-bottom: 0;
}

/* Projects */

.projects-section {
  border-block: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.project-grid {
  display: grid;
  gap: var(--space-6);
}

.project-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.project-card:focus-within {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

@media (hover: hover) and (pointer: fine) {
  .project-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
  }
}

.project-visual {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.project-visual figcaption {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.project-visual > img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center top;
}

.project-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-6);
}

.project-category {
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.07em;
  line-height: 1.45;
  text-transform: uppercase;
}

.project-content h3 {
  margin-bottom: var(--space-3);
}

.project-description,
.project-role,
.project-label {
  font-size: var(--text-sm);
}

.project-label {
  display: inline-flex;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-5);
  background: var(--color-accent-soft);
  color: var(--color-text);
  font-weight: 750;
  line-height: 1.35;
}

.project-role {
  padding: var(--space-4);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent-soft);
}

.project-role strong,
.project-tech-label {
  color: var(--color-text);
}

.project-tech {
  width: 100%;
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.project-tech-label {
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  margin-bottom: 0;
  list-style: none;
}

.project-tags li {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.35;
}

.project-highlights {
  display: grid;
  gap: var(--space-3);
  padding-left: 1.2rem;
  margin-bottom: var(--space-6);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

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

.project-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
  margin-top: auto;
  color: var(--color-text);
  font-weight: 800;
  line-height: 1.35;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3rem;
}

.project-link span {
  color: var(--color-accent);
  font-size: 1.25rem;
  transition: transform var(--transition);
}

.project-link:hover span {
  transform: translateX(0.25rem);
}

/* Capabilities */

.capability-grid {
  display: grid;
  gap: 1px;
  padding: 1px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-border);
  list-style: none;
}

.capability-card {
  min-width: 0;
  height: 100%;
  padding: var(--space-6);
  background: var(--color-bg);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.capability-card:hover,
.capability-card:focus-within {
  background:
    linear-gradient(145deg, var(--color-accent-soft), transparent 75%),
    var(--color-bg);
}

.capability-header {
  display: flex;
  min-height: 7.5rem;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.capability-header h3 {
  max-width: 22ch;
  margin-bottom: 0;
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.35;
}

.capability-number {
  margin-bottom: var(--space-5);
}

.capability-button {
  display: inline-flex;
  min-width: 5.8rem;
  min-height: 2.75rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-text);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 800;
}

.capability-button:hover {
  border-color: var(--color-accent);
}

.capability-icon {
  position: relative;
  display: block;
  width: 0.9rem;
  height: 0.9rem;
}

.capability-icon::before,
.capability-icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.75rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
  transform: translate(-50%, -50%);
  transition: opacity var(--transition), transform var(--transition);
}

.capability-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.capability-button[aria-expanded="true"] .capability-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.capability-panel {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.capability-panel p {
  margin-bottom: 0;
  font-size: var(--text-sm);
}

/* Skills */

.skills-section {
  border-block: 1px solid var(--color-border);
  background:
    linear-gradient(125deg, rgba(180, 154, 246, 0.07), transparent 43%),
    var(--color-bg-elevated);
}

.skills-layout {
  display: grid;
  gap: var(--space-10);
}

.skills-copy h2,
.skills-copy .eyebrow {
  margin-bottom: var(--space-4);
}

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

.skill-categories {
  display: grid;
  gap: var(--space-4);
}

.skill-category {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.skill-category h3 {
  margin-bottom: var(--space-4);
  font-size: 1.12rem;
}

.skill-category > p {
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: var(--space-3);
  padding: 0;
  margin-bottom: 0;
  list-style: none;
}

.skill-list li {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 700;
}

/* Internship information */

.internship-section {
  border-bottom: 1px solid var(--color-border);
}

.internship-grid {
  display: grid;
  gap: var(--space-6);
}

.internship-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.internship-card h3 {
  margin-bottom: var(--space-6);
}

.internship-card > p:last-child {
  margin-bottom: 0;
}

.internship-facts {
  display: grid;
  margin-bottom: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.internship-facts div {
  display: grid;
  gap: var(--space-1);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.internship-facts dt {
  color: var(--color-subtle);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.internship-facts dd {
  margin: 0;
  color: var(--color-text);
  font-weight: 750;
}

.internship-note {
  padding: var(--space-4);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent-soft);
  font-size: var(--text-sm);
}

.expectation-list {
  display: grid;
  padding: 0;
  margin-bottom: 0;
  list-style: none;
  counter-reset: expectation;
}

.expectation-list li {
  position: relative;
  display: grid;
  min-height: 4.1rem;
  grid-template-columns: 2.5rem 1fr;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  counter-increment: expectation;
  font-weight: 700;
}

.expectation-list li::before {
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-accent);
  content: counter(expectation, decimal-leading-zero);
  font-size: 0.68rem;
  font-weight: 850;
}

/* About and contact */

.about-section {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.about-layout {
  display: grid;
  gap: var(--space-8);
}

.about-layout h2,
.about-layout .eyebrow {
  margin-bottom: 0;
}

.about-copy > p {
  margin-bottom: 0;
  color: var(--color-text);
  font-size: var(--text-lg);
  line-height: 1.55;
  letter-spacing: -0.015em;
}

.about-strengths {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: 0;
  margin: var(--space-8) 0 0;
  list-style: none;
}

.about-strengths li {
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 700;
}

.availability-section {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.availability-panel {
  display: grid;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.availability-panel h2,
.availability-panel .eyebrow {
  margin-bottom: 0;
}

.availability-list {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  margin-bottom: 0;
  list-style: none;
}

.availability-list li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--color-text);
  font-weight: 700;
}

.availability-list li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-accent);
  content: "";
  transform: translateY(-50%);
}

.contact-section {
  background: var(--color-bg-elevated);
  padding-top: 0;
}

.contact-panel {
  position: relative;
  display: grid;
  gap: var(--space-8);
  overflow: hidden;
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 100%, rgba(180, 154, 246, 0.22), transparent 23rem),
    var(--color-surface-strong);
  box-shadow: var(--shadow-lg);
}

.contact-panel::before {
  position: absolute;
  top: -6rem;
  right: -6rem;
  width: 14rem;
  height: 14rem;
  border: 2rem solid rgba(180, 154, 246, 0.06);
  border-radius: 50%;
  content: "";
}

.contact-copy,
.contact-actions {
  position: relative;
  z-index: 1;
}

.contact-copy h2 {
  max-width: 16ch;
}

.contact-copy > p:last-of-type {
  margin-bottom: 0;
}

.contact-details {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-8) 0 0;
}

.contact-details div {
  display: grid;
  gap: var(--space-1);
}

.contact-details dt {
  color: var(--color-subtle);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-details dd {
  margin: 0;
  color: var(--color-text);
  font-weight: 750;
  overflow-wrap: anywhere;
}

.contact-details a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-accent);
  text-underline-offset: 0.2rem;
}

.contact-actions {
  align-content: start;
}

/* Footer */

.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer-inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.footer-name {
  margin-bottom: var(--space-1);
  color: var(--color-text);
  font-weight: 800;
}

.footer-inner p {
  margin-bottom: 0;
  font-size: var(--text-sm);
}

.footer-inner a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-accent);
  text-underline-offset: 0.2rem;
}

.accessibility-note {
  max-width: 36ch;
}

.back-to-top {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-2);
  justify-self: start;
  color: var(--color-accent);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25rem;
}

/* Tablet and desktop layouts */

@media (min-width: 36rem) {
  .container {
    width: min(calc(100% - 3rem), var(--container));
  }

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

  .highlight-card:nth-child(odd) {
    border-right: 1px solid var(--color-border);
  }

  .highlight-card:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .contact-panel {
    padding: var(--space-10);
  }

  .availability-panel {
    padding: var(--space-10);
  }
}

@media (min-width: 48rem) {
  .section {
    padding-block: var(--space-24);
  }

  .header-inner {
    min-height: 5.25rem;
  }

  .menu-toggle {
    display: none;
  }

  .site-nav,
  .site-nav[hidden] {
    display: block !important;
    width: auto;
    padding: 0;
  }

  .site-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  .site-nav a {
    padding-inline: var(--space-4);
  }

  .hero {
    min-height: calc(100svh - 5.25rem);
    padding-block: var(--space-20);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(18rem, 0.65fr);
    gap: var(--space-12);
  }

  .highlights {
    padding-bottom: var(--space-24);
  }

  .section-heading {
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr);
    align-items: end;
    gap: var(--space-12);
  }

  .section-heading > p {
    margin-bottom: var(--space-1);
  }

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

  .skills-layout,
  .about-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: var(--space-16);
  }

  .skills-copy {
    position: sticky;
    top: 7.5rem;
  }

  .internship-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .about-layout {
    align-items: start;
  }

  .contact-panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.6fr);
    align-items: end;
    gap: var(--space-12);
  }

  .availability-panel {
    grid-template-columns: minmax(0, 0.7fr) minmax(20rem, 1.3fr);
    align-items: center;
    gap: var(--space-12);
  }

  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-inner {
    grid-template-columns: 1fr auto auto;
    gap: var(--space-10);
  }

  .back-to-top {
    justify-self: end;
  }
}

@media (min-width: 64rem) {
  .highlight-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .highlight-card,
  .highlight-card:nth-child(odd) {
    border-right: 1px solid var(--color-border);
    border-bottom: 0;
  }

  .highlight-card:last-child {
    border-right: 0;
  }

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

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

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

/* Optional system light mode */

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f9f6fb;
    --color-bg-elevated: #f1ebf5;
    --color-surface: #ffffff;
    --color-surface-strong: #ede4f5;
    --color-text: #24182d;
    --color-muted: #5e5268;
    --color-subtle: #716379;
    --color-accent: #6b3dbb;
    --color-accent-strong: #58309e;
    --color-accent-soft: rgba(107, 61, 187, 0.09);
    --color-border: rgba(52, 31, 66, 0.16);
    --color-border-strong: rgba(107, 61, 187, 0.4);
    --color-focus: #2f1660;
    --color-on-accent: #ffffff;
    --shadow-sm: 0 0.6rem 1.7rem rgba(50, 31, 62, 0.09);
    --shadow-lg: 0 1.8rem 4rem rgba(50, 31, 62, 0.14);
  }

  body {
    background:
      radial-gradient(circle at 85% 7%, rgba(107, 61, 187, 0.12), transparent 31rem),
      var(--color-bg);
  }

  .site-header {
    background: rgba(249, 246, 251, 0.9);
  }

  .button-primary:hover {
    background: var(--color-accent-strong);
  }

  .button-secondary,
  .resume-button {
    background: rgba(255, 255, 255, 0.5);
  }

}

/* Respect reduced-motion preferences */

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

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

/* JavaScript-enhanced mobile navigation. Without JavaScript, the links remain visible. */

@media (max-width: 47.99rem) {
  .header-inner {
    flex-wrap: wrap;
  }

  .site-nav {
    flex-basis: 100%;
  }
}