/* Seonbae Hall of Fame — main stylesheet */

:root {
  --bg: #FAF8F4;
  --bg-card: #FFFFFF;
  --bg-elevated: #F4F0E8;
  --text-primary: #1F1B17;
  --text-secondary: #5B544A;
  --text-tertiary: #8A8073;
  --accent: #8B2C2C;
  --accent-soft: #B8856D;
  --gold: #9C7C3F;
  --gold-soft: #C7A867;
  --border: #E5DFD3;
  --border-strong: #C9C0AE;
  --shadow: 0 2px 8px rgba(31, 27, 23, 0.06);
  --shadow-strong: 0 8px 32px rgba(31, 27, 23, 0.12);

  --serif: 'Cormorant Garamond', 'Noto Serif KR', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --korean: 'Noto Serif KR', 'Cormorant Garamond', serif;

  --container-max: 1200px;
  --container-narrow: 760px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

/* ===================
   Header / Navigation
   =================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-mark {
  font-family: var(--korean);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.brand-name a {
  color: inherit;
}

.brand-attribution {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  font-weight: 400;
}

.brand-attribution a {
  color: var(--text-tertiary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.brand-attribution a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.nav a:hover,
.nav a.active {
  color: var(--accent);
}

/* ===========
   Hero / page
   =========== */

.hero {
  text-align: center;
  padding: 6rem 2rem 4rem;
  max-width: var(--container-narrow);
  margin: 0 auto;
  position: relative;
}

.hero-mark {
  font-family: var(--korean);
  font-size: 5rem;
  font-weight: 500;
  color: var(--accent);
  opacity: 0.9;
  line-height: 1;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-intro {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto;
}

.hero-divider {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 2.5rem auto;
  border: none;
}

/* ============
   Profile grid
   ============ */

.section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

.section-label {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: 1rem;
  font-weight: 500;
}

.section-title {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--bg-elevated);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
  filter: saturate(0.92);
}

.card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #B8856D 0%, #9C7C3F 100%);
  color: rgba(250, 248, 244, 0.92);
  font-family: var(--korean);
  font-size: 4.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.card-body {
  padding: 1.75rem 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.profile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.profile-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold-soft);
  box-shadow: var(--shadow-strong);
}

.profile-card:hover::before {
  opacity: 1;
}

.card-name {
  font-family: var(--serif);
  font-size: 1.625rem;
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.card-korean {
  font-family: var(--korean);
  font-size: 1rem;
  color: var(--text-tertiary);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.card-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.card-dates {
  font-variant-numeric: tabular-nums;
}

.card-meta-divider {
  color: var(--border-strong);
}

.card-frame {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--text-secondary);
  flex-grow: 1;
}

.card-memoriam {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-weight: 500;
}

.card-memoriam::before {
  content: '†';
  font-size: 0.875rem;
}

/* ===============
   Filter / search
   =============== */

.filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  padding: 0.5rem 1.125rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 20px;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--gold);
  color: var(--accent);
}

.filter-btn.active {
  background: var(--accent);
  color: var(--bg-card);
  border-color: var(--accent);
}

/* ============
   Profile page
   ============ */

.profile-page {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.profile-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.profile-portrait {
  width: 220px;
  height: 260px;
  margin: 0 auto 2rem;
  background: var(--bg-elevated);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 2px;
  box-shadow: var(--shadow);
}

.profile-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: saturate(0.95);
}

.profile-portrait-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #B8856D 0%, #9C7C3F 100%);
  color: rgba(250, 248, 244, 0.92);
  font-family: var(--korean);
  font-size: 6.5rem;
  font-weight: 500;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.profile-image-note {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-style: italic;
  color: var(--text-tertiary);
  margin: -1.25rem auto 1.5rem;
  max-width: 280px;
}

.profile-header .hero-mark {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.profile-name {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.profile-korean {
  font-family: var(--korean);
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.profile-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.profile-meta-divider {
  color: var(--border-strong);
}

.profile-memoriam {
  margin-top: 1.5rem;
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.profile-memoriam::before {
  content: '†  ';
}

.profile-content {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.profile-content h1 {
  display: none;
}

.profile-content h2 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.profile-content h2:first-of-type {
  margin-top: 0;
}

.profile-content p {
  margin-bottom: 1.25rem;
}

.profile-content ul {
  margin-bottom: 1.25rem;
  padding-left: 1.25rem;
}

.profile-content li {
  margin-bottom: 0.5rem;
}

.profile-content blockquote {
  border-left: 3px solid var(--gold);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.profile-content em {
  font-style: italic;
  color: var(--text-secondary);
}

.profile-content strong {
  font-weight: 600;
}

.profile-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
}

.profile-content a:hover {
  text-decoration-color: var(--accent);
}

.profile-content .profile-memoriam-inline {
  display: none;
}

.profile-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.profile-nav-back::before {
  content: '←';
}

.profile-cta {
  margin-top: 4rem;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
}

.profile-cta h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.profile-cta p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ==============
   Buttons
   ============== */

.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 2px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background: #6E2222;
  color: var(--bg-card);
}

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

.btn-outline:hover {
  background: var(--text-primary);
  color: var(--bg-card);
}

/* ==============
   Books page
   ============== */

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0;
  overflow: hidden;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
}

.book-cover {
  aspect-ratio: 3 / 4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  text-align: center;
  position: relative;
  color: #F4F0E8;
}

.book-cover-1 {
  background: linear-gradient(160deg, #8B2C2C 0%, #6E2222 100%);
}

.book-cover-2 {
  background: linear-gradient(160deg, #9C7C3F 0%, #7A6230 100%);
}

.book-cover-3 {
  background: linear-gradient(160deg, #2E3942 0%, #1B232A 100%);
}

.book-cover-mark {
  font-family: var(--korean);
  font-size: 3rem;
  opacity: 0.85;
  margin-bottom: 0.75rem;
}

.book-cover-title {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.book-cover-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  opacity: 0.85;
}

.book-cover-volume {
  position: absolute;
  bottom: 1.5rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
}

.book-body {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.book-audience {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.book-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.book-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.book-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: auto;
}

.book-price {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.book-buy {
  background: var(--text-primary);
  color: var(--bg-card);
  padding: 0.625rem 1.25rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s ease;
}

.book-buy:hover {
  background: var(--accent);
}

/* ==============
   Footer
   ============== */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 3rem 2rem 2rem;
  margin-top: 6rem;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1fr;
  gap: 2.5rem;
}

.footer-about {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 500px;
}

.footer-meaning {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  display: flex;
  justify-content: space-between;
}

/* ==============
   Chat widget
   ============== */

.chat-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
  background: var(--accent);
  color: var(--bg-card);
  border: none;
  padding: 1rem 1.5rem 1rem 1.25rem;
  border-radius: 32px;
  box-shadow: var(--shadow-strong);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, background 0.2s ease;
}

.chat-fab:hover {
  transform: translateY(-2px);
  background: #6E2222;
}

.chat-fab-mark {
  font-family: var(--korean);
  font-size: 1.25rem;
  font-weight: 700;
}

.chat-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31, 27, 23, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.chat-overlay.active {
  display: flex;
}

.chat-panel {
  background: var(--bg-card);
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  border-radius: 6px;
  box-shadow: var(--shadow-strong);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-elevated);
}

.chat-header-title {
  font-family: var(--serif);
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.chat-header-subtitle {
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}

.chat-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.chat-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1.5rem 2rem;
}

.chat-disclaimer {
  background: #FBF6E9;
  border: 1px solid #E6D9B5;
  border-radius: 4px;
  padding: 0.875rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.chat-disclaimer strong {
  color: var(--gold);
  font-weight: 600;
}

.chat-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.chat-selector-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1rem;
  text-align: left;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
  font-family: var(--sans);
}

.chat-selector-card:hover {
  border-color: var(--gold);
  background: var(--bg-card);
}

.chat-selector-name {
  font-family: var(--serif);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.chat-selector-meta {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.chat-message {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
}

.chat-message-user {
  align-items: flex-end;
}

.chat-message-bubble {
  background: var(--bg-elevated);
  padding: 0.875rem 1.125rem;
  border-radius: 12px;
  max-width: 85%;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-primary);
}

.chat-message-user .chat-message-bubble {
  background: var(--accent);
  color: var(--bg-card);
}

.chat-message-seonbae .chat-message-bubble {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.chat-message-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.375rem;
  padding: 0 0.25rem;
}

.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
  margin-bottom: 1rem;
}

.chat-suggestion {
  background: transparent;
  border: 1px dashed var(--border-strong);
  padding: 0.625rem 0.875rem;
  text-align: left;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.chat-suggestion:hover {
  border-color: var(--gold);
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.chat-input-row {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 2rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

.chat-input {
  flex-grow: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  font-family: var(--sans);
  font-size: 0.9375rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease;
}

.chat-input:focus {
  border-color: var(--accent);
}

.chat-send {
  background: var(--accent);
  color: var(--bg-card);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 22px;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
}

.chat-send:hover {
  background: #6E2222;
}

.chat-change {
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  background: transparent;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}

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

/* ==============
   Responsive
   ============== */

@media (max-width: 768px) {
  .header-inner {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
  }

  .nav {
    gap: 1.25rem;
  }

  .hero {
    padding: 3rem 1.5rem 2rem;
  }

  .hero-mark {
    font-size: 3.5rem;
  }

  .section {
    padding: 2rem 1rem 4rem;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
  }

  .chat-fab {
    bottom: 1rem;
    right: 1rem;
    padding: 0.875rem 1.25rem 0.875rem 1rem;
  }

  .chat-fab-label {
    display: none;
  }

  .chat-overlay {
    padding: 0;
  }

  .chat-panel {
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }
}