/* ============================================================
   ELIZABETH WALLIS — DESIGN SYSTEM
   Palette: Deep Navy + Rose Gold + White
   Display: Cormorant Garamond | Body: Switzer
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --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;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(12, 20, 44, 0.06);
  --shadow-md: 0 4px 16px rgba(12, 20, 44, 0.08);
  --shadow-lg: 0 12px 40px rgba(12, 20, 44, 0.12);

  /* Content widths */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body:    'Switzer', 'Helvetica Neue', sans-serif;
}

/* --- LIGHT MODE PALETTE --- */
:root,
[data-theme="light"] {
  --color-bg:              #fafaf8;
  --color-surface:         #ffffff;
  --color-surface-2:       #f5f4f1;
  --color-surface-offset:  #eeece8;
  --color-divider:         #e4e1db;
  --color-border:          #d8d5cf;

  --color-text:            #0c1420;
  --color-text-muted:      #5e6270;
  --color-text-faint:      #a8aab0;
  --color-text-inverse:    #fafaf8;

  /* Deep Navy */
  --color-primary:         #1a2744;
  --color-primary-hover:   #0f1a30;
  --color-primary-light:   #e8ebf2;

  /* Rose Gold */
  --color-accent:          #b87060;
  --color-accent-hover:    #9d5c4e;
  --color-accent-light:    #f7ede9;
  --color-accent-muted:    #c9917f;
}

/* --- DARK MODE PALETTE --- */
[data-theme="dark"] {
  --color-bg:              #0d1017;
  --color-surface:         #131720;
  --color-surface-2:       #181d28;
  --color-surface-offset:  #1e2433;
  --color-divider:         #252c3a;
  --color-border:          #2e3647;

  --color-text:            #d8dbe6;
  --color-text-muted:      #7a8099;
  --color-text-faint:      #4a5166;
  --color-text-inverse:    #0d1017;

  --color-primary:         #6a85c5;
  --color-primary-hover:   #8ba0d5;
  --color-primary-light:   #1a2233;

  --color-accent:          #d4917e;
  --color-accent-hover:    #e0a895;
  --color-accent-light:    #2a1e1c;
  --color-accent-muted:    #b87060;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #0d1017;
    --color-surface:         #131720;
    --color-surface-2:       #181d28;
    --color-surface-offset:  #1e2433;
    --color-divider:         #252c3a;
    --color-border:          #2e3647;
    --color-text:            #d8dbe6;
    --color-text-muted:      #7a8099;
    --color-text-faint:      #4a5166;
    --color-text-inverse:    #0d1017;
    --color-primary:         #6a85c5;
    --color-primary-hover:   #8ba0d5;
    --color-primary-light:   #1a2233;
    --color-accent:          #d4917e;
    --color-accent-hover:    #e0a895;
    --color-accent-light:    #2a1e1c;
    --color-accent-muted:    #b87060;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
  }
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role="list"], ol[role="list"] { list-style: none; }

input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 68ch;
}

::selection {
  background: rgba(184, 112, 96, 0.2);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

button { cursor: pointer; background: none; border: none; }

a, button, [role="button"] {
  transition: color var(--transition), background var(--transition),
    border-color var(--transition), opacity var(--transition);
}

.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;
}

/* --- LAYOUT UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.container--narrow {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section--tight {
  padding-block: clamp(var(--space-10), 5vw, var(--space-20));
}

/* --- NAV --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition), transform 0.3s ease;
}

.site-header--scrolled { box-shadow: var(--shadow-sm); }
.site-header--hidden   { transform: translateY(-100%); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  color: var(--color-accent);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

[data-theme="dark"] .nav-logo-text { color: var(--color-text); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 450;
  text-decoration: none;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1.25rem;
  background: var(--color-accent);
  color: white;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  border: none;
}
.btn-cta:hover { background: var(--color-accent-hover); }

/* Mobile nav */
.nav-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.nav-toggle:hover { background: var(--color-surface-2); color: var(--color-text); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-desktop { display: none; }
  .nav-desktop.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  .nav-desktop.open .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
  .nav-desktop.open .nav-links a { font-size: var(--text-base); }
}

/* --- HERO (HOME) --- */
.hero {
  min-height: 88vh;
  display: grid;
  place-items: center;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2a3a5c 55%, #1a2744 100%);
  z-index: 0;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(184,112,96,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.04) 0%, transparent 40%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  width: 100%;
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  box-sizing: border-box;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-muted);
  margin-bottom: var(--space-6);
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-accent-muted);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  line-height: 1.0;
}

.hero-title em {
  font-style: italic;
  color: var(--color-accent-muted);
}

.hero-subtitle {
  font-size: var(--text-lg);
  font-weight: 350;
  color: rgba(255,255,255,0.72);
  max-width: 54ch;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.875rem 2rem;
  background: var(--color-accent);
  color: white;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.875rem 2rem;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.07); }

/* --- SCROLL INDICATOR --- */
.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.4);
  animation: bobDown 2.4s ease-in-out infinite;
}
@keyframes bobDown {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50%       { transform: translateX(-50%) translateY(6px); opacity: 0.7; }
}

/* --- INTRO STRIP (below hero) --- */
.intro-strip {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: center;
}

@media (max-width: 768px) {
  .intro-grid { grid-template-columns: 1fr; }
}

.intro-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.intro-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}
[data-theme="dark"] .intro-heading { color: var(--color-text); }

.intro-heading em { font-style: italic; color: var(--color-accent); }

.intro-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.intro-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.03em;
}
.intro-link:hover { gap: var(--space-3); }
.intro-link svg { transition: transform var(--transition); }
.intro-link:hover svg { transform: translateX(4px); }

.intro-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-surface-2);
}

.intro-image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.intro-image-caption {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  background: rgba(12, 20, 44, 0.72);
  backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.9);
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

/* --- CREDENTIAL STRIP --- */
.credential-strip {
  background: var(--color-primary);
  padding-block: clamp(var(--space-10), 4vw, var(--space-16));
}

[data-theme="dark"] .credential-strip {
  background: var(--color-surface-offset);
}

.credential-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  text-align: center;
}

.credential-item {}

.credential-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-accent-muted);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.credential-label {
  font-size: var(--text-xs);
  font-weight: 450;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
[data-theme="dark"] .credential-label { color: var(--color-text-faint); }

/* --- CLIENT STRIP --- */
.clients-strip {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-8), 3vw, var(--space-12));
}

.clients-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  text-align: center;
  margin-bottom: var(--space-8);
}

.clients-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-4) var(--space-10);
}

.client-name {
  font-family: var(--font-display);
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  opacity: 0.75;
  transition: opacity var(--transition);
  white-space: nowrap;
}

.client-name:hover {
  opacity: 1;
}

.client-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
}

.client-logo-wrap--dark {
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
}

.client-logo {
  max-height: 40px;
  max-width: 160px;
  width: auto;
  object-fit: contain;
  opacity: 0.75;
  transition: opacity var(--transition);
  filter: none;
}

.client-logo:hover {
  opacity: 1;
}

[data-theme="dark"] .client-logo {
  filter: brightness(0) invert(1);
  opacity: 0.65;
}

[data-theme="dark"] .client-logo:hover {
  opacity: 1;
}

/* --- MEMBERSHIPS SECTION --- */
.memberships-section {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 4vw, var(--space-16));
}

.memberships-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.membership-card {
  flex: 1 1 280px;
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.membership-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  width: fit-content;
  margin-bottom: var(--space-2);
}

.membership-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

.membership-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
}

.membership-reg {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-top: var(--space-1);
}

[data-theme="dark"] .memberships-section {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .membership-card {
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

[data-theme="dark"] .clients-strip {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .client-name {
  color: var(--color-text);
}

/* --- SERVICES CARDS --- */
.services-section {
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-12), 5vw, var(--space-20));
}

.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1.05;
}
[data-theme="dark"] .section-title { color: var(--color-text); }
.section-title em { font-style: italic; color: var(--color-accent); }

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: var(--space-5) auto 0;
  line-height: 1.7;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-8), 3vw, var(--space-10));
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.service-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-accent);
}

.service-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}
[data-theme="dark"] .service-title { color: var(--color-text); }

.service-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- TESTIMONIAL --- */
.testimonial-section {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.testimonial-inner {
  max-width: 780px;
  margin-inline: auto;
  text-align: center;
}

.quote-mark {
  font-family: var(--font-display);
  font-size: 6rem;
  line-height: 0.6;
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: var(--space-6);
  display: block;
}

.testimonial-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: var(--space-8);
}

.testimonial-attr {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.testimonial-attr strong {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-sm);
  font-family: var(--font-body);
}

/* --- PAGE HERO (inner pages) --- */
.page-hero {
  background: var(--color-primary);
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(184,112,96,0.12) 0%, transparent 60%);
}

.page-hero-content {
  position: relative;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.page-hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-muted);
  margin-bottom: var(--space-4);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: #ffffff;
  line-height: 1.05;
  margin-bottom: var(--space-5);
}
.page-hero-title em { font-style: italic; color: var(--color-accent-muted); }

.page-hero-desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.68);
  max-width: 52ch;
  line-height: 1.7;
}

/* --- ABOUT SECTION (full page) --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-portrait { position: static !important; top: auto !important; }
  .hero-title { font-size: clamp(2rem, 9vw, 3rem); line-height: 1.1; }
  .hero-subtitle { font-size: var(--text-base); }
  .hero-eyebrow { white-space: normal; text-align: center; justify-content: center; flex-wrap: wrap; }
  .hero-content { padding-inline: var(--space-6); width: 100%; box-sizing: border-box; }
  .hero { overflow-x: hidden; }
}

.about-portrait {
  position: sticky;
  top: calc(64px + var(--space-8));
}

.about-portrait-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--color-surface-2);
}

.about-portrait-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.about-credentials {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about-credential-tag {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.about-credential-tag svg { color: var(--color-accent); flex-shrink: 0; }

.about-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}
[data-theme="dark"] .about-content h2 { color: var(--color-text); }
.about-content h2 em { font-style: italic; color: var(--color-accent); }

.about-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-primary);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}
[data-theme="dark"] .about-content h3 { color: var(--color-text); }

.about-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

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

.about-divider {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin-block: var(--space-8);
}

/* --- RESEARCH PAGE --- */
.pub-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.pub-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 2.5vw, var(--space-8));
  border-left: 3px solid var(--color-accent);
  transition: box-shadow var(--transition);
}
.pub-card:hover { box-shadow: var(--shadow-md); }

.pub-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.pub-tag {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.pub-year {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 450;
}

.pub-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}
[data-theme="dark"] .pub-title { color: var(--color-text); }

.pub-authors {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-style: italic;
}

.pub-abstract {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.research-areas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin-top: clamp(var(--space-12), 5vw, var(--space-20));
}

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

.research-area-icon {
  width: 40px; height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
[data-theme="dark"] .research-area-icon {
  background: var(--color-surface-offset);
  color: var(--color-primary);
}

.research-area h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
[data-theme="dark"] .research-area h3 { color: var(--color-text); }

.research-area p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- CONTACT PAGE --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: start;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  line-height: 1.1;
}
[data-theme="dark"] .contact-info h2 { color: var(--color-text); }
.contact-info h2 em { font-style: italic; color: var(--color-accent); }

.contact-info p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-detail-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-detail-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}

.contact-detail-value {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.contact-detail-value a {
  color: var(--color-text);
  text-decoration: none;
}
.contact-detail-value a:hover { color: var(--color-accent); }

/* Contact form */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-8), 3vw, var(--space-10));
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184,112,96,0.12);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 480px) {
  .form-grid-2 { grid-template-columns: 1fr; }
}

.btn-submit {
  width: 100%;
  padding: 0.875rem;
  background: var(--color-primary);
  color: white;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-submit:hover { background: var(--color-primary-hover); transform: translateY(-1px); }

/* --- FOOTER --- */
.site-footer {
  background: var(--color-primary);
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
  color: rgba(255,255,255,0.6);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: white;
}

.footer-tagline {
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 36ch;
  color: rgba(255,255,255,0.5);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-accent-muted); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}

.footer-reg {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.25);
}

/* --- LOGO IMAGE IN NAV --- */
.nav-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.nav-logo-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.1;
}

.nav-logo-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
[data-theme="dark"] .nav-logo-name { color: var(--color-text); }

.nav-logo-title {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Footer logo */
.footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.footer-logo-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: white;
  line-height: 1.2;
}

.footer-logo-sub {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- INTRO IMAGE PLACEHOLDER --- */
.intro-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(160deg, var(--color-primary) 0%, #2a3a5c 100%);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  position: relative;
  overflow: hidden;
  min-height: 280px;
}

.intro-logo-large {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  opacity: 0.9;
  border: 3px solid rgba(184,112,96,0.4);
}

.intro-image-placeholder-text {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  max-width: none;
}

/* --- SERVICE DETAIL LAYOUT --- */
.service-detail {
  padding-block: clamp(var(--space-8), 3vw, var(--space-12));
}

.service-detail-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.service-detail-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.service-detail-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
}

.service-detail-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1.15;
}
[data-theme="dark"] .service-detail-title { color: var(--color-text); }

.service-detail-body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
  max-width: 68ch;
}

.service-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.service-divider {
  height: 1px;
  background: var(--color-divider);
  margin: 0;
}

/* --- ACTIVE NAV INDICATOR --- */
.nav-links a[aria-current="page"] { color: var(--color-accent); }

/* --- FADE IN ANIMATION --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- DIVIDER LINE --- */
.divider-line {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin-block: var(--space-6);
}

/* --- TAG PILLS --- */
.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25em 0.75em;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-accent-light);
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

/* --- BOARD ROLES --- */
.board-roles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.board-role {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.board-role-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.board-role-org {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}