:root {
  --color-bg: #0f0f0f;
  --color-bg-alt: #161616;
  --color-bg-card: #1c1c1c;
  --color-text: #f5f5f0;
  --color-text-muted: #a8a8a8;
  --color-gold: #c9a962;
  --color-gold-light: #e8d5a3;
  --color-gold-dark: #a08339;
  --color-accent: #d4af37;
  
  --font-display: 'Frank Ruhl Libre', serif;
  --font-body: 'Heebo', sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;
  
  --size-step-0: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --size-step-1: clamp(1.125rem, 1.05rem + 0.4vw, 1.35rem);
  --size-step-2: clamp(1.35rem, 1.2rem + 0.75vw, 1.8rem);
  --size-step-3: clamp(1.8rem, 1.5rem + 1.5vw, 2.75rem);
  --size-step-4: clamp(2.25rem, 1.75rem + 2.5vw, 4rem);
  --size-step-5: clamp(2.75rem, 1.8rem + 4.5vw, 5.5rem);
  
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-body);
  font-size: var(--size-step-0);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: var(--space-md);
  background: var(--color-gold);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  border-radius: 0 0 4px 4px;
  font-weight: 500;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

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

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

a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
}

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

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

button:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 100%);
  padding-block: var(--space-sm);
  transition: background var(--transition-base), padding var(--transition-base);
}

.site-header.scrolled {
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(10px);
  padding-block: var(--space-xs);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
}

.logo:hover {
  color: inherit;
}

.logo-image {
  height: 50px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  transition: height var(--transition-base), opacity var(--transition-fast);
}

.site-header.scrolled .logo-image {
  height: 40px;
}

.logo:hover .logo-image {
  opacity: 0.85;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  inset-inline-start: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 100%;
}

.nav-cta {
  padding: var(--space-xs) var(--space-md);
  background: var(--color-gold);
  color: var(--color-bg) !important;
  border-radius: 2px;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover,
.nav-cta:focus {
  background: var(--color-gold-light);
  color: var(--color-bg) !important;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

@media (max-width: 768px) {
  .logo-image {
    height: 42px;
    max-width: 140px;
  }
  
  .site-header.scrolled .logo-image {
    height: 36px;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    inset-inline-start: 100%;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-alt);
    transition: transform var(--transition-base);
  }
  
  .nav-links.active {
    transform: translateX(-100%);
  }
  
  html[dir="rtl"] .nav-links.active {
    transform: translateX(100%);
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

@media (max-width: 400px) {
  .logo-image {
    height: 36px;
    max-width: 120px;
  }
  
  .site-header.scrolled .logo-image {
    height: 32px;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-weight: 500;
  border-radius: 2px;
  transition: all var(--transition-base);
}

.btn:focus-visible {
  outline: 2px solid var(--color-gold-light);
  outline-offset: 4px;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-gold-light);
  color: var(--color-bg);
  transform: translateY(-2px);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* Hero */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(201, 169, 98, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(201, 169, 98, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 650px;
  margin-inline-start: auto;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(201, 169, 98, 0.1);
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-size: 0.85rem;
  margin-block-end: var(--space-lg);
}

.hero-title {
  font-size: var(--size-step-5);
  margin-block-end: var(--space-md);
}

.title-line {
  display: block;
}

.title-line.accent {
  color: var(--color-gold);
}

.hero-subtitle {
  font-size: var(--size-step-1);
  color: var(--color-text-muted);
  margin-block-end: var(--space-xl);
}

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

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pen-illustration {
  width: 180px;
  height: 360px;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-5deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.floating-elements {
  position: absolute;
  inset: 0;
}

.float-item {
  position: absolute;
  font-size: 1.5rem;
  opacity: 0.2;
  color: var(--color-gold);
}

.float-1 {
  top: 10%;
  inset-inline-start: 10%;
}

.float-2 {
  top: 60%;
  inset-inline-end: 20%;
}

.float-3 {
  bottom: 20%;
  inset-inline-start: 30%;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  inset-inline-start: 50%;
  transform: translateX(50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  animation: bounce 2s ease-in-out infinite;
}

html[dir="ltr"] .scroll-indicator {
  transform: translateX(-50%);
}

@keyframes bounce {
  0%, 100% { opacity: 1; transform: translateX(50%) translateY(0); }
  50% { opacity: 0.5; transform: translateX(50%) translateY(10px); }
}

html[dir="ltr"] .scroll-indicator {
  animation-name: bounce-ltr;
}

@keyframes bounce-ltr {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-block-start: calc(var(--space-3xl) + 60px);
  }
  
  .hero-content {
    margin-inline: auto;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .pen-illustration {
    width: 140px;
    height: 280px;
  }
  
  .scroll-indicator {
    display: none;
  }
}

@media (max-width: 500px) {
  .pen-illustration {
    width: 120px;
    height: 240px;
  }
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-block-end: var(--space-2xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-block-end: var(--space-sm);
}

.section-title {
  font-size: var(--size-step-4);
}

.section-desc {
  font-size: var(--size-step-1);
  color: var(--color-text-muted);
  max-width: 550px;
  margin-inline: auto;
  margin-block-start: var(--space-sm);
}

/* Services */
.services {
  padding-block: var(--space-3xl);
  background: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 500px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  display: block;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.service-card:hover,
.service-card:focus {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  color: inherit;
}

.service-card:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-block-end: var(--space-md);
  color: var(--color-gold);
}

.service-card h3 {
  font-size: var(--size-step-1);
  margin-block-end: var(--space-xs);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Kaweco Banner */
.kaweco-banner {
  padding-block: var(--space-2xl);
  background: var(--color-bg);
  text-align: center;
  position: relative;
  border-block: 1px solid rgba(201, 169, 98, 0.15);
}

.kaweco-content {
  position: relative;
  max-width: 600px;
  margin-inline: auto;
}

.kaweco-content h2 {
  font-size: var(--size-step-3);
  margin-block-end: var(--space-md);
}

.kaweco-brand {
  font-family: 'Georgia', serif;
  font-style: italic;
  color: var(--color-gold);
}

.kaweco-content p {
  font-size: var(--size-step-0);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* About */
.about {
  padding-block: var(--space-3xl);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

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

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-gold);
  min-width: 150px;
}

.timeline-item .year {
  font-family: var(--font-display);
  font-size: var(--size-step-2);
  color: var(--color-gold);
  font-weight: 700;
}

.timeline-item .event {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.timeline-line {
  width: 1px;
  height: 30px;
  background: var(--color-gold);
  opacity: 0.5;
}

.about-decoration {
  color: var(--color-gold);
}

.heritage-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 140px;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  background: rgba(201, 169, 98, 0.05);
}

.heritage-number {
  font-family: var(--font-display);
  font-size: var(--size-step-3);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

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

.about-content .section-tag,
.about-content .section-title {
  text-align: start;
}

.about-content .section-title {
  margin-block-end: var(--space-lg);
}

.founder-quote {
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border-inline-start: 3px solid var(--color-gold);
  margin-block-end: var(--space-lg);
}

.founder-quote p {
  font-family: var(--font-display);
  font-size: var(--size-step-1);
  font-style: italic;
  margin-block-end: var(--space-sm);
}

.founder-quote cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-gold);
}

.about-content > p {
  color: var(--color-text-muted);
  margin-block-end: var(--space-md);
  max-width: 50ch;
}

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
  }
  
  .about-visual {
    order: -1;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .timeline {
    flex-direction: row;
    gap: var(--space-sm);
  }
  
  .timeline-item {
    min-width: auto;
    padding: var(--space-sm) var(--space-md);
  }
  
  .timeline-item .year {
    font-size: var(--size-step-1);
  }
  
  .timeline-line {
    width: 24px;
    height: 1px;
  }
  
  .about-content .section-tag,
  .about-content .section-title {
    text-align: center;
  }
  
  .about-content > p {
    text-align: center;
    margin-inline: auto;
  }
  
  .founder-quote {
    border-inline-start: none;
    border-block-start: 3px solid var(--color-gold);
    text-align: center;
  }
}

/* FAQ */
.faq {
  padding-block: var(--space-3xl);
  background: var(--color-bg-alt);
}

.faq-list {
  max-width: 800px;
  margin-inline: auto;
}

.faq-item {
  border-block-end: 1px solid rgba(201, 169, 98, 0.2);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
}

.faq-item summary span {
  font-size: var(--size-step-0);
  font-weight: 500;
}

.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--color-gold);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-inline-start: var(--space-md);
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding-block-end: var(--space-lg);
  color: var(--color-text-muted);
  animation: fadeIn var(--transition-base);
}

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

/* Contact */
.contact {
  padding-block: var(--space-3xl);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info .section-tag,
.contact-info .section-title {
  text-align: start;
}

.contact-info > p {
  color: var(--color-text-muted);
  margin-block-end: var(--space-xl);
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-alt);
  transition: all var(--transition-base);
}

a.contact-item:hover,
a.contact-item:focus {
  background: var(--color-bg-card);
  color: var(--color-text);
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 98, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-gold);
}

.contact-text {
  display: flex;
  flex-direction: column;
}

.contact-text .label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.contact-text .value {
  font-size: var(--size-step-1);
  font-weight: 500;
}

.contact-text .value-sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.contact-map {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  filter: grayscale(80%) contrast(95%) brightness(90%);
}

.map-btn {
  position: absolute;
  bottom: var(--space-md);
  inset-inline-start: 50%;
  transform: translateX(50%);
  white-space: nowrap;
}

html[dir="ltr"] .map-btn {
  transform: translateX(-50%);
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  
  .contact-info .section-tag,
  .contact-info .section-title,
  .contact-info > p {
    text-align: center;
  }
  
  .contact-map {
    aspect-ratio: 16/9;
  }
}

/* Footer */
.site-footer {
  padding-block: var(--space-2xl);
  background: var(--color-bg-alt);
  border-block-start: 1px solid rgba(201, 169, 98, 0.2);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  padding-block-end: var(--space-xl);
  border-block-end: 1px solid rgba(201, 169, 98, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-logo {
  height: 40px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-gold);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  text-align: end;
}

.footer-contact a {
  color: var(--color-gold);
  font-weight: 500;
}

.footer-contact span {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-bottom {
  padding-block-start: var(--space-lg);
  text-align: center;
}

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

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-brand {
    align-items: center;
  }
  
  .footer-links {
    justify-content: center;
  }
  
  .footer-contact {
    text-align: center;
  }
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
  
  .pen-illustration,
  .scroll-indicator {
    animation: none;
  }
}