/* ===== Design Tokens ===== */
:root {
  --bg: #FAF8F4;
  --surface: #F1EDE6;
  --ink: #1F1D1A;
  --ink-soft: #5F5A54;
  --accent: #005F73;
  --accent-soft: #E0F2F1;
  --on-accent: #ffffff;
  --rule: #E6E2DC;
  --rule-strong: #C4BFB8;
  --radius: 12px;
  --btn-radius: 8px;
  --card-radius: 12px;
  --hero-radius: 16px;
  --input-radius: 8px;
  --placeholder: #E8E4DE;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Tokens */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 56px;
  --spacing-4xl: 80px;

  /* Line Height Tokens */
  --line-height-tight: 1.05;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Border Tokens */
  --border-rule: 1px solid var(--rule);
  --border-strong: 1px solid var(--rule-strong);

  /* Breakpoints */
  --breakpoint-mobile: 480px;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
  --breakpoint-large: 1200px;
}

/* ===== Accessibility ===== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--ink);
  color: #fff;
  padding: 8px 16px;
  z-index: 100;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 0 4px 0;
}

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

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-muted { color: var(--ink-soft); }
.text-accent { color: var(--accent); }
.flex-row { display: flex; flex-direction: row; }
.flex-col { display: flex; flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.gap-48 { gap: 48px; }
.gap-56 { gap: 56px; }

/* Section Title */
.section-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 8px 0 0;
  line-height: var(--line-height-tight);
}

/* Stat Card Pattern */
.stat-card-inline {
  text-align: center;
  padding: 24px;
  background: var(--surface);
  border-radius: var(--card-radius);
}

.stat-card-inline .value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-card-inline .label {
  font-size: 13px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

/* Form Grid Patterns */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-grid-full {
  grid-column: 1 / -1;
}

@media (max-width: 768px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Grid Utilities */
.grid-cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { display: grid; grid-template-columns: repeat(6, 1fr); }

/* Link Utilities */
.link-underline {
  text-decoration: underline;
}

/* Margin Utilities */
.mt-8 { margin-top: var(--spacing-sm); }
.mt-16 { margin-top: var(--spacing-md); }
.mt-24 { margin-top: var(--spacing-lg); }
.mt-32 { margin-top: var(--spacing-xl); }
.mt-40 { margin-top: 40px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mt-0 { margin-top: 0; }

/* ===== Hero Section ===== */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(160deg, var(--bg) 0%, var(--accent-soft) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

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

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  font-weight: 500;
  color: var(--ink);
}

.hero p {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 32px;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-art {
  aspect-ratio: 4/3;
  border-radius: var(--hero-radius);
  background: linear-gradient(135deg, #003D4D 0%, #006B85 40%, #0097B2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-art::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -10%;
  width: 50%;
  height: 60%;
  border: 3px solid rgba(255,255,255,0.15);
  border-radius: 50%;
}

.hero-art::after {
  content: "";
  position: absolute;
  bottom: -5%;
  left: -5%;
  width: 40%;
  height: 50%;
  border: 3px solid rgba(255,255,255,0.1);
  border-radius: 50%;
}

.hero-art-inner {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 32px;
}

.hero-art-inner .icon-large {
  font-size: 56px;
  margin-bottom: 16px;
}

.hero-art-inner .stat {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
}

.hero-art-inner .stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-top: 8px;
}

/* ===== Stats Bar ===== */
.stats-bar {
  padding: 40px 0;
  background: var(--ink);
  color: var(--bg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-desc {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.service-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--card-radius);
  overflow: hidden;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: filter 300ms ease;
}

.service-card:hover .service-card-image {
  filter: blur(8px);
}

.service-card-content {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  transition: transform 300ms ease;
}

.service-card:hover .service-card-content {
  transform: translateY(-40px);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 12px;
  font-weight: 600;
}

.service-card p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  background: var(--accent);
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 16px;
  font-weight: 500;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.85;
  max-width: 56ch;
  margin: 0 auto 32px;
}

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

.btn-white:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
}

/* ===== Testimonials ===== */
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--card-radius);
  padding: 28px;
}

.testimonial-card .quote {
  font-family: var(--font-display);
  font-size: 16px;
  font-style: italic;
  color: var(--ink);
  margin: 0 0 16px;
  line-height: 1.5;
}

.testimonial-card .author {
  font-size: 14px;
  font-weight: 600;
}

.testimonial-card .company {
  font-size: 12px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ===== Contact Form ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 18px;
}

.contact-item h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
}

.contact-item p {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

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

.about-map {
  aspect-ratio: 4/3;
  border-radius: var(--card-radius);
  overflow: hidden;
  width: 100%;
  min-height: 420px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  background: #f0f0f0;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 8px 0 20px;
}

.about-content p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 20px;
}

.about-stats {
  display: flex;
  gap: 32px;
}

.about-stat {
  flex: 1;
}

.about-stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
}

.about-stat-label {
  font-size: 12px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ===== Footer ===== */
.footer-logo {
  font-size: 20px;
  margin-bottom: 12px;
}

.footer-description {
  color: var(--ink-soft);
  font-size: 13px;
  max-width: 32ch;
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-soft);
}

.footer-bottom a {
  text-decoration: none;
  color: var(--ink-soft);
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.stat-card {
  text-align: center;
  padding: 24px;
  background: var(--surface);
  border-radius: var(--card-radius);
}

.stat-card-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-card-label {
  font-size: 13px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

/* ===== Responsive Grid Classes ===== */
@media (max-width: 1200px) {
  .grid-cols-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-cols-6 { grid-template-columns: 1fr; }
  .grid-cols-4 { grid-template-columns: 1fr; }
  .grid-cols-3 { grid-template-columns: 1fr; }
  .grid-cols-2 { grid-template-columns: 1fr; }
}

/* ===== Lucide SVG Icon Sizing ===== */
.service-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
}

.contact-item .icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
}

.value-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--accent);
  stroke-width: 1.75;
  fill: none;
}

.product-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--accent);
  stroke-width: 1.5;
  fill: none;
}

.coming-soon .product-icon svg {
  stroke: var(--ink-soft);
}

/* ===== Logo Image ===== */
.rk-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.rk-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.rk-logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 20px;
  line-height: 1;
}

.footer-logo-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 12px;
  display: block;
}

@media (max-width: 768px) {
  .rk-logo-text { display: none; }
  .rk-logo-img { width: 40px; height: 40px; }
}

/* ===== Mobile Navigation ===== */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}

.rk-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rk-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}

.rk-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 250ms ease, opacity 250ms ease;
}

.rk-hamburger.is-open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.rk-hamburger.is-open span:nth-child(2) { opacity: 0; }
.rk-hamburger.is-open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 768px) {
  .rk-hamburger { display: flex; }
  .rk-nav-cta { display: none; }

  .rk-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    z-index: 999;
  }

  .rk-nav-links.is-open { display: flex; }

  .rk-nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--rule);
    font-size: 15px;
    color: var(--ink);
  }

  .rk-nav-links a:last-child { border-bottom: none; }
}

/* ===== Button Spacing & Styling ===== */
.btn {
  margin-bottom: var(--spacing-sm);
}

.btn + .btn {
  margin-left: var(--spacing-sm);
}

.btn-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
  align-items: center;
}

.btn-group .btn {
  margin-bottom: 0;
  margin-left: 0;
}

.btn-group .btn + .btn {
  margin-left: 0;
}

/* Vertical button group - stacked layout */
.btn-group-vertical {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.btn-group-vertical .btn {
  margin-bottom: 0;
}

/* Button spacing after content sections */
.btn-spacing {
  margin-bottom: var(--spacing-lg);
}

/* Responsive button groups */
@media (max-width: 480px) {
  .btn-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .btn-group .btn {
    width: 100%;
  }
}