/* ============================================
   Jennifer Gossen — Personal Website
   Design System & Styles
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-bg: #FAFAF8;
  --color-bg-alt: #F2F0ED;
  --color-bg-card: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #5A5A58;
  --color-text-muted: #8A8A88;
  --color-accent: #2D6A6A;
  --color-accent-hover: #245656;
  --color-accent-light: rgba(45, 106, 106, 0.08);
  --color-accent-medium: rgba(45, 106, 106, 0.15);
  --color-border: #E8E6E3;
  --color-border-hover: #D0CEC8;

  /* Typography */
  --font-heading: 'Libre Baskerville', serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --nav-height: 72px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.15rem;
}

p {
  color: var(--color-text-secondary);
  max-width: 65ch;
}

.text-muted {
  color: var(--color-text-muted);
}

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

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

main {
  flex: 1;
  padding-top: var(--nav-height);
}

.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section__header {
  margin-bottom: var(--space-3xl);
}

.section__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section__title {
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 55ch;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background var(--transition-base);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
  background: var(--color-accent-light);
}

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

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--color-bg-alt);
  border-radius: 20px;
  padding: 3px;
  margin-left: var(--space-sm);
  flex-shrink: 0;
}

.lang-toggle__btn {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 16px;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.lang-toggle__btn--active {
  background: var(--color-bg-card);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.lang-toggle__btn:hover:not(.lang-toggle__btn--active) {
  color: var(--color-text-secondary);
}

/* Mobile Navigation */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__hamburger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav__hamburger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 999;
  padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-xl) var(--space-xl);
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  overflow-y: auto;
}

.nav__mobile-menu--open {
  display: flex;
}

.nav__mobile-link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-md) var(--space-xl);
  transition: color var(--transition-fast);
}

.nav__mobile-link:hover,
.nav__mobile-link--active {
  color: var(--color-accent);
}

.nav__mobile-lang {
  margin-top: var(--space-xl);
}

.nav__mobile-social {
  display: flex;
  gap: var(--space-lg);
  margin-top: auto;
  padding-top: var(--space-xl);
}

.nav__mobile-social a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav__mobile-social a:hover {
  color: var(--color-accent);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-sm);
}

.footer__tagline {
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer__nav {
  display: flex;
  gap: var(--space-3xl);
}

.footer__nav-group h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__nav-group a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__nav-group a:hover {
  color: #fff;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-accent);
  color: #fff;
}

.footer__social svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
}

.footer__bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.footer__bottom a:hover {
  color: #fff;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.btn--small {
  font-size: 0.82rem;
  padding: 8px 20px;
}

.btn--icon {
  padding: 10px;
  border-radius: 50%;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card--flat {
  border: none;
  background: var(--color-bg-alt);
}

.card--flat:hover {
  background: var(--color-bg-card);
  box-shadow: var(--shadow-md);
}

.card--accent {
  border-left: 3px solid var(--color-accent);
}

/* ---------- Grid Systems ---------- */
.grid {
  display: grid;
  gap: var(--space-xl);
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* ---------- Tags / Pills ---------- */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.tag--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left--visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right--visible {
  opacity: 1;
  transform: translateX(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger--visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.stagger--visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: translateY(0); }
.stagger--visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
.stagger--visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
.stagger--visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
.stagger--visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.stagger--visible > *:nth-child(7) { transition-delay: 480ms; opacity: 1; transform: translateY(0); }
.stagger--visible > *:nth-child(8) { transition-delay: 560ms; opacity: 1; transform: translateY(0); }

/* ============================================
   PAGE-SPECIFIC STYLES
   ============================================ */

/* ---------- Hero (Landing Page) ---------- */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero__content {
  max-width: 560px;
}

.hero__label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.hero__name {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-lg);
}

.hero__name span {
  display: block;
}

.hero__tagline {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.01em;
}

.hero__description {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
}

.hero__image-wrapper {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 3/4;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
}

.hero__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image-placeholder {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-muted);
}

.hero__image-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

.hero__image-placeholder p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Decorative dot */
.hero__decoration {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--color-accent-light);
  filter: blur(80px);
  z-index: -1;
}

.hero__decoration--1 {
  top: 10%;
  right: 5%;
}

.hero__decoration--2 {
  bottom: 10%;
  left: -5%;
  background: rgba(45, 106, 106, 0.05);
}

/* ---------- Feature Cards (Landing) ---------- */
.features {
  padding: var(--space-4xl) 0;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-2xl) var(--space-xl);
  text-decoration: none;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  color: var(--color-text);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.feature-card__desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.feature-card__arrow {
  margin-top: var(--space-lg);
  color: var(--color-accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-card__arrow {
  opacity: 1;
  transform: translateX(0);
}

.feature-card__arrow svg {
  width: 20px;
  height: 20px;
}

/* ---------- About Page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: start;
  margin-bottom: var(--space-4xl);
}

.about-intro__image {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--border-radius);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
}

.about-intro__text h2 {
  margin-bottom: var(--space-lg);
}

.about-intro__text p {
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-2xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 4px);
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.timeline__year {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.timeline__desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Languages / Fun Facts */
.about-languages {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.language-pill {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
}

.language-pill__level {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* ---------- CV Page ---------- */
.cv-download {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-2xl);
}

.cv-section {
  margin-bottom: var(--space-4xl);
}

.cv-section__title {
  font-size: 1.6rem;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-border);
}

/* CV Entry Card */
.cv-entry {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.cv-entry:last-child {
  border-bottom: none;
}

.cv-entry__date {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding-top: 2px;
}

.cv-entry__content h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
}

.cv-entry__org {
  font-size: 0.95rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.cv-entry__details {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.cv-entry__details ul {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-top: var(--space-sm);
}

.cv-entry__details li {
  margin-bottom: var(--space-xs);
}

.cv-entry__grade {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--color-accent-light);
  color: var(--color-accent);
  padding: 2px 10px;
  border-radius: 12px;
  margin-left: var(--space-sm);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.skill-category {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
}

.skill-category h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Awards list */
.awards-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.award-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
}

.award-item__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.award-item__icon svg {
  width: 16px;
  height: 16px;
}

.award-item__text h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.award-item__text p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Voluntary Engagement Timeline */
.engagement-timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.engagement-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
}

.engagement-timeline__item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  position: relative;
}

.engagement-timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 4px);
  top: calc(var(--space-md) + 6px);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.engagement-timeline__date {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding-top: 2px;
}

.engagement-timeline__content h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.engagement-timeline__content p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ---------- Research Page ---------- */
.research-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  margin-bottom: var(--space-lg);
}

.research-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}

.research-card__thumb {
  width: 80px;
  height: 100px;
  background: var(--color-accent-light);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.research-card__thumb svg {
  width: 28px;
  height: 28px;
}

.research-card__content h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.research-card__venue {
  font-size: 0.88rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.research-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.research-card__links {
  display: flex;
  gap: var(--space-md);
}

.research-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.research-card__link:hover {
  text-decoration: underline;
}

.research-card__link svg {
  width: 14px;
  height: 14px;
}

.research-interests {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ---------- Writing Page ---------- */
.writing-header {
  max-width: 600px;
  margin-bottom: var(--space-3xl);
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  overflow: hidden;
}

.article-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
  transform: translateY(-3px);
  color: inherit;
}

.article-card__thumb {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card__thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  opacity: 0.3;
}

.article-card__thumb-placeholder svg {
  width: 32px;
  height: 32px;
}

.article-card__content {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  flex: 1;
}

.article-card__tag {
  margin-bottom: var(--space-sm);
  align-self: flex-start;
}

.article-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.article-card__excerpt {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
}

.article-card__meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: auto;
  padding-top: var(--space-md);
}

/* ---------- Teaching Page ---------- */
.teaching-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.teaching-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.teaching-card__logo {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-sm);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.teaching-card__logo svg {
  width: 28px;
  height: 28px;
}

.teaching-card__info h3 {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

.teaching-card__info p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.teaching-card__courses {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.teaching-course {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: var(--border-radius-sm);
  gap: var(--space-md);
}

.teaching-course__name {
  font-weight: 600;
  font-size: 0.95rem;
}

.teaching-course__award {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
}

.teaching-course__award svg {
  width: 12px;
  height: 12px;
}

/* ---------- Content Creation / Media Kit ---------- */
.creator-hero {
  text-align: center;
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.creator-hero h1 {
  margin-bottom: var(--space-lg);
}

.creator-hero p {
  max-width: 60ch;
  margin: 0 auto;
  font-size: 1.1rem;
}

.persona-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-4xl);
}

.persona-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.persona-card:hover {
  box-shadow: var(--shadow-lg);
}

.persona-card__banner {
  height: 8px;
  background: var(--color-accent);
}

.persona-card__banner--de {
  background: linear-gradient(90deg, #1A1A1A 33%, #E07A5F 33%, #E07A5F 66%, #F5C542 66%);
}

.persona-card__body {
  padding: var(--space-2xl);
}

.persona-card__handle {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.persona-card__flag {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.persona-card__focus {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.persona-card__platforms {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.persona-card__platform {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  transition: all var(--transition-fast);
}

.persona-card__platform:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.persona-card__platform svg {
  width: 16px;
  height: 16px;
}

.persona-card__audience h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.persona-card__audience p {
  font-size: 0.9rem;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-4xl);
}

.stat-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-card__label {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.service-card__icon svg {
  width: 22px;
  height: 22px;
}

.service-card h4 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 auto;
  flex: 1;
}

.service-card .btn,
.service-card .tag {
  margin-top: auto;
}

/* Collaborations */
.collab-section {
  padding: var(--space-3xl);
  background: var(--color-bg-alt);
  border-radius: var(--border-radius-lg);
  text-align: center;
}

.collab-section h3 {
  margin-bottom: var(--space-2xl);
}

.collab-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.collab-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  height: 80px;
  min-width: 140px;
}

.collab-logo img {
  max-height: 44px;
  max-width: 160px;
  object-fit: contain;
}

.collab-section p {
  margin: 0 auto var(--space-xl);
}

/* ---------- Contact Page ---------- */
.contact-layout {
  max-width: 640px;
  margin: 0 auto;
}

.contact-hero {
  text-align: center;
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.contact-hero h1 {
  margin-bottom: var(--space-lg);
}

.contact-hero p {
  max-width: 55ch;
  margin: 0 auto;
  font-size: 1.1rem;
}

.contact-email-section {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-accent-light);
  border-radius: 50px;
  transition: all var(--transition-base);
}

.contact-email:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.contact-email svg {
  width: 18px;
  height: 18px;
}

.contact-divider {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.contact-divider::before,
.contact-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.contact-socials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.contact-social-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-base);
}

.contact-social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

.contact-social-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .persona-grid {
    grid-template-columns: 1fr;
  }

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

  .footer__nav {
    gap: var(--space-2xl);
  }

  .engagement-timeline__item {
    grid-template-columns: 140px 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  /* Nav */
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  /* Hero */
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero__image {
    order: -1;
  }

  .hero__image-wrapper {
    max-width: 280px;
    margin: 0 auto;
    aspect-ratio: 1;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__content {
    max-width: 100%;
  }

  /* Features */
  .features__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* About */
  .about-intro {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-intro__image {
    max-width: 200px;
    margin: 0 auto;
    position: static;
  }

  /* CV */
  .cv-entry {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .cv-download {
    justify-content: center;
  }

  /* Writing */
  .articles-grid {
    grid-template-columns: 1fr;
  }

  /* Research */
  .research-card {
    grid-template-columns: 1fr;
  }

  .research-card__thumb {
    width: 100%;
    height: 60px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .stat-card {
    padding: var(--space-xl);
  }

  .stat-card__number {
    font-size: 2rem;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__brand {
    max-width: 100%;
  }

  .footer__nav {
    flex-direction: column;
    gap: var(--space-xl);
    width: 100%;
  }

  .footer__social {
    justify-content: center;
    width: 100%;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  /* Contact */
  .contact-socials {
    grid-template-columns: 1fr;
  }

  .engagement-timeline__item {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  /* Grid overrides */
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

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

  .awards-list {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  .hero__name {
    font-size: 2.5rem;
  }

  .btn {
    padding: 10px 22px;
    font-size: 0.85rem;
  }

  .persona-card__body {
    padding: var(--space-xl);
  }

  .persona-card__platforms {
    flex-direction: column;
  }

  .teaching-course {
    flex-direction: column;
  }
}

/* ---------- Page Transition ---------- */
.page-transition {
  animation: fadeInPage 0.4s ease;
}

@keyframes fadeInPage {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }