/* KYN Holdings Landing Page */
/* Redesigned: Japanese Minimalism / Institutional Aesthetic */

/* ===========================
   Design Tokens (Custom Properties)
   =========================== */
:root {
  /* Colors - Refined institutional palette */
  --color-accent: #8B1A1A;              /* Deep Crimson */
  --color-accent-light: #A52A2A;        /* Lighter crimson for hover */
  --color-accent-dark: #6B1414;         /* Darker crimson for active */
  --color-base-dark: #0B0B0C;           /* Ink Black */
  --color-base-darker: #050506;         /* Deeper ink for contrast */
  --color-base-light: #F4F1EA;          /* Bone White */
  --color-charcoal: #2A2A2C;            /* Dark surface */
  --color-gray-100: #F4F1EA;            /* Bone White alias */
  --color-gray-200: #E8E4DC;            /* Warm light gray */
  --color-gray-300: #3A3A3C;            /* Graphite */
  --color-gray-400: #6B6B6E;            /* Mid gray */
  --color-gray-600: #8A8A8D;            /* Lighter mid gray */
  --color-gray-800: #4A4A4C;            /* Dark gray */
  --color-white: #F4F1EA;              /* Bone White as white */
  --color-gold: #B8860B;               /* Muted Gold accent */

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-size-base: 1rem;              /* 16px */
  --font-size-sm: 0.875rem;            /* 14px */
  --font-size-lg: 1.125rem;            /* 18px */
  --font-size-xl: 1.375rem;            /* 22px */
  --font-size-2xl: 2.25rem;            /* 36px */
  --font-size-3xl: 3rem;               /* 48px */
  --font-size-hero: clamp(2.75rem, 5vw, 4.5rem);

  /* Spacing Scale — generous whitespace */
  --spacing-xs: 0.5rem;                /* 8px */
  --spacing-sm: 1rem;                  /* 16px */
  --spacing-md: 1.5rem;                /* 24px */
  --spacing-lg: 2.5rem;                /* 40px */
  --spacing-xl: 4rem;                  /* 64px */
  --spacing-2xl: 6rem;                 /* 96px */
  --spacing-section: clamp(6rem, 10vw, 10rem);

  /* Layout */
  --max-width: 1080px;

  /* Border Radius — minimal */
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --border-radius-full: 9999px;

  /* Transitions — restrained motion */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ===========================
   CSS Reset / Normalize
   =========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-base-dark);
  background-color: var(--color-base-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeSpeed;
}

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

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

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

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

ul,
ol {
  list-style: none;
}

/* ===========================
   Skip Link (Accessibility)
   =========================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-accent);
  color: var(--color-base-light);
  font-weight: 700;
  font-size: var(--font-size-base);
  text-decoration: underline;
  border-radius: 0 0 var(--border-radius) 0;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-base-dark);
  outline-offset: 2px;
}

/* ===========================
   Base Layout - Section Component
   =========================== */
.section {
  padding: var(--spacing-section) var(--spacing-lg);
  background-color: var(--color-base-light);
  color: var(--color-base-dark);
}

.section--dark {
  background-color: var(--color-base-dark);
  color: var(--color-base-light);
}

.section__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 300;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-lg);
  color: inherit;
}

/* ===========================
   Button Component
   =========================== */
.btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-base-dark);
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-align: center;
  cursor: pointer;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-fast);
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-base-dark);
  color: var(--color-base-light);
  border-color: var(--color-base-dark);
}

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

.btn--primary:active {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: scale(0.98);
}

.btn--large {
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-base);
}

/* ===========================
   Utility Classes
   =========================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

/* ===========================
   Scroll Animations (Fade-In)
   =========================== */
/* Only apply hidden state when JS is enabled (progressive enhancement) */
html.js-enabled .fade-in {
  opacity: 0;
  transform: translateY(12px);
}

html.js-enabled .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

/* ===========================
   Reduced Motion
   =========================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

/* ===========================
   Hero Section
   =========================== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-base-dark);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  width: 100%;
}

.hero__logo {
  width: 100px;
  height: auto;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--font-size-hero);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-lg);
  color: var(--color-base-light);
}

.hero__highlight {
  color: var(--color-gold);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-400);
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: var(--spacing-xl);
  font-weight: 300;
}

/* Hero Responsive — Tablet (768px+) */
@media (min-width: 768px) {
  .hero__logo {
    width: 140px;
  }

  .hero__subtitle {
    font-size: var(--font-size-xl);
  }
}

/* Hero Responsive — Desktop (1024px+) */
@media (min-width: 1024px) {
  .hero__logo {
    width: 160px;
  }

  .hero__title {
    font-size: clamp(3rem, 5vw, 4.5rem);
  }

  .hero__subtitle {
    max-width: 680px;
  }
}

/* ===========================
   Site Header
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(11, 11, 12, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-charcoal);
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* ===========================
   Navigation
   =========================== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: var(--spacing-sm);
}

/* Logo */
.nav__logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

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

.nav__logo {
  height: 36px;
  width: auto;
}

/* Navigation Links */
.nav__links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: rgba(11, 11, 12, 0.97);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-charcoal);
}

/* Progressive enhancement: show nav links when JS is not available */
html:not(.js-enabled) .nav__links {
  display: flex;
}

.nav__links--open {
  display: flex;
  animation: slideDown var(--transition-base) ease forwards;
}

/* Slide-down animation for mobile menu overlay */
@keyframes slideDown {
  from {
    transform: translateY(-10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.nav__link {
  display: block;
  padding: var(--spacing-xs) var(--spacing-lg);
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-base-light);
}

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

/* Hamburger Button */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--border-radius);
}

.nav__hamburger:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.nav__hamburger-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-base-light);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* CTA Button in Nav */
.nav__cta {
  display: none;
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  white-space: nowrap;
  background-color: transparent;
  color: var(--color-base-light);
  border: 1px solid var(--color-gray-400);
}

.nav__cta:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

/* ===========================
   Navigation - Tablet Breakpoint (768px)
   =========================== */
@media (min-width: 768px) {
  .nav__links {
    display: flex;
    flex-direction: row;
    position: static;
    background-color: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    padding: 0;
    border-bottom: none;
    gap: var(--spacing-xs);
    align-items: center;
  }

  .nav__link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }

  .nav__hamburger {
    display: none;
  }

  .nav__cta {
    display: inline-block;
  }
}

/* ===========================
   Thesis Section
   =========================== */
.thesis__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.thesis__verticals {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.thesis__card {
  width: 100%;
  max-width: 480px;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  text-align: center;
  transition: border-color var(--transition-base);
}

.thesis__card:hover {
  border-color: var(--color-gray-400);
}

.thesis__card-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.thesis__card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.01em;
}

.thesis__card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  line-height: 1.7;
}

.thesis__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-gray-400);
}

.thesis__connector-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.thesis__criteria {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.thesis__criterion {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
}

.thesis__criterion-icon {
  flex-shrink: 0;
  color: var(--color-accent);
}

.thesis__criterion-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.thesis__callout {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 3px solid var(--color-accent);
  background-color: transparent;
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-gray-400);
}

/* Thesis Responsive — Tablet (768px+) */
@media (min-width: 768px) {
  .thesis__verticals {
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
  }

  .thesis__card {
    flex: 1;
  }

  .thesis__connector {
    flex-direction: column;
    justify-content: center;
  }

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

/* Thesis Responsive — Desktop (1024px+) */
@media (min-width: 1024px) {
  .thesis__criteria {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===========================
   Portfolio Section
   =========================== */
.portfolio__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.portfolio-card {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-charcoal);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: border-color var(--transition-base);
}

.portfolio-card:hover {
  border-color: var(--color-gray-400);
}

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

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

.portfolio-card__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-full);
  width: fit-content;
}

.portfolio-card__badge--tech {
  background-color: rgba(139, 26, 26, 0.15);
  color: var(--color-accent-light);
}

.portfolio-card__badge--traditional {
  background-color: rgba(184, 134, 11, 0.15);
  color: var(--color-gold);
}

.portfolio-card__logo {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--spacing-xs) 0;
}

.portfolio-card__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.portfolio-card__name {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-base-light);
}

.portfolio-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
}

.portfolio-card__ai {
  font-size: var(--font-size-sm);
  color: var(--color-accent-light);
  font-weight: 500;
}

.portfolio-card__link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  margin-top: auto;
}

.portfolio-card__link:hover {
  color: var(--color-base-light);
}

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

/* Portfolio Responsive — Tablet/Desktop (768px+) */
@media (min-width: 768px) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===========================
   Value Section
   =========================== */
.value__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.value__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.value__card {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  text-align: center;
  transition: border-color var(--transition-base);
}

.value__card:hover {
  border-color: var(--color-gray-400);
}

.value__card-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.value__card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.01em;
}

.value__card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  line-height: 1.7;
}

/* Value Responsive — Tablet/Desktop (768px+) */
@media (min-width: 768px) {
  .value__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===========================
   Team Section
   =========================== */
.team__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-charcoal);
  border-radius: var(--border-radius);
  gap: var(--spacing-xs);
}

.team-card__photo {
  width: 72px;
  height: 72px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-charcoal);
  border: 1px solid var(--color-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 400;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-sm);
}

.team-card__name {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-base-light);
}

.team-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-accent-light);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.team-card__bio {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-top: var(--spacing-xs);
}

.team-card__linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  color: var(--color-gray-600);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  margin-top: var(--spacing-sm);
}

.team-card__linkedin:hover {
  color: var(--color-base-light);
  background-color: var(--color-charcoal);
}

.team-card__linkedin:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.team__expertise {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto;
}

/* Team Responsive — Tablet (768px+) */
@media (min-width: 768px) {
  .team__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Team Responsive — Desktop (1024px+) */
@media (min-width: 1024px) {
  .team__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===========================
   Contact / CTA Section
   =========================== */
.section--cta {
  background-color: var(--color-base-light);
  color: var(--color-base-dark);
}

.contact__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact__intro {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.contact__thesis {
  font-size: var(--font-size-lg);
  color: var(--color-gray-400);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto;
}

.contact__audiences {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.contact__audience {
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
}

.contact__email {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.contact__email-link {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
}

.contact__email-link:hover {
  color: var(--color-accent-dark);
}

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

.contact__form {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact__field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.contact__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-base-dark);
}

.contact__input,
.contact__select,
.contact__textarea {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  background-color: var(--color-base-light);
  color: var(--color-base-dark);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.contact__input:focus,
.contact__select:focus,
.contact__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(139, 26, 26, 0.1);
}

.contact__input--error {
  border-color: var(--color-accent);
}

.contact__textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%236B6B6E' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) center;
  padding-right: var(--spacing-lg);
}

.contact__error {
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-top: 0.25rem;
}

.contact__submit {
  align-self: flex-start;
  margin-top: var(--spacing-sm);
}

.contact__success {
  text-align: center;
  padding: var(--spacing-md);
  border: 1px solid var(--color-gold);
  border-radius: var(--border-radius);
  color: var(--color-gold);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Contact Responsive — Tablet (768px+) */
@media (min-width: 768px) {
  .contact__audiences {
    flex-direction: row;
    justify-content: center;
  }

  .contact__audience {
    flex: 1;
    max-width: 260px;
  }
}

/* ===========================
   Footer
   =========================== */
.site-footer {
  background-color: var(--color-base-dark);
  color: var(--color-gray-600);
  padding: var(--spacing-xl) var(--spacing-lg);
  border-top: 1px solid var(--color-charcoal);
}

.site-footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
}

.site-footer__logo {
  opacity: 0.8;
}

.site-footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  letter-spacing: 0.02em;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm) var(--spacing-md);
}

.site-footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.site-footer__link:hover {
  color: var(--color-base-light);
}

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

.site-footer__social {
  display: flex;
  gap: var(--spacing-sm);
}

.site-footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  color: var(--color-gray-600);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.site-footer__social-link:hover {
  color: var(--color-base-light);
  background-color: var(--color-charcoal);
}

.site-footer__social-link:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.site-footer__copyright {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  margin-top: var(--spacing-sm);
}

/* ===========================
   Language Switcher
   =========================== */
/* Hide when JS is not available (switcher requires JS) */
html:not(.js-enabled) .lang-switcher {
  display: none;
}

.lang-switcher {
  display: none;
  align-items: center;
  gap: 2px;
}

.lang-switcher__btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-gray-600);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.lang-switcher__btn:hover {
  color: var(--color-base-light);
  border-color: var(--color-gray-400);
}

.lang-switcher__btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.lang-switcher__btn:active {
  transform: scale(0.96);
}

.lang-switcher__btn--active {
  color: var(--color-base-light);
  border-color: var(--color-gray-400);
}

/* Screen reader only utility */
.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;
}

/* ===========================
   Language Switcher Responsive
   =========================== */
/* Mobile: shown inside hamburger menu when open */
@media (max-width: 767px) {
  .lang-switcher {
    display: none;
  }

  .nav__links--open ~ .lang-switcher,
  html:not(.js-enabled) .lang-switcher {
    display: flex;
    justify-content: center;
    padding: var(--spacing-xs) 0;
  }
}

/* Desktop: shown inline in nav */
@media (min-width: 768px) {
  .lang-switcher {
    display: flex;
  }
}

/* ===========================
   Global Responsive Adjustments
   =========================== */
/* Tablet (768px+) */
@media (min-width: 768px) {
  .section {
    padding: var(--spacing-section) var(--spacing-xl);
  }

  .section__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .section {
    padding: var(--spacing-section) var(--spacing-lg);
  }
}