/* ==========================================================================
   Shanti Tech Atelier — Global Stylesheet
   Atelier Edition — themed around the ST monogram logo
   --------------------------------------------------------------------------
   Logo cues:
   - ST monogram: high-contrast Didone serif (hairline + bold, like Bodoni / Cormorant)
   - Wordmark "SHANTI TECH ATELIER": tracked uppercase sans, wide letter-spacing
   - Palette: monochrome — ink black #0A0A0A on warm light greige #E8E7E5 / #EDECE9
   - Vibe: editorial, atelier / luxury, minimal, hairline rules
   --------------------------------------------------------------------------
   Contents:
   1. Design tokens
   2. Reset & base
   3. Typography & text utilities
   4. Layout (container, sections, grids)
   5. Buttons
   6. Header & navigation
   7. Hero (home)
   8. Keyword strip
   9. Benefits (dark)
   10. Services grid (light)
   11. Split / about preview
   12. Why choose us (light)
   13. CTA band
   14. Contact strip (dark)
   15. Page hero (subpages)
   16. Service detail blocks (services page)
   17. Process steps
   18. Values grid (about page)
   19. Contact page
   20. Legal / privacy policy
   21. Footer
   22. Icons
   23. Accessibility & motion
   24. Responsive
   ========================================================================== */

/* 1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Dark surfaces — true atelier black, charcoal tiers */
  --c-bg-900: #0A0A0A;            /* footer, deepest — ink black */
  --c-bg-850: #111111;            /* primary dark, header */
  --c-bg-800: #1A1A1A;            /* secondary dark — subtle lift */

  /* Light surfaces — warm greige from logo's background */
  --c-light-bg: #EDECE9;          /* main light section bg — logo greige */
  --c-light-bg-soft: #F6F5F3;     /* alternate light — paper soft */
  --c-light-card: #FFFFFF;

  /* Accent — atelier monochrome: off-white on dark, ink on light */
  --c-accent: #F5F3F0;            /* bone / off-white for dark bg (CTAs, icons) */
  --c-accent-hover: #E8E5E0;      /* hover for bone */
  --c-accent-deep: #0A0A0A;       /* ink black for light bg (icons, links) */
  --c-accent-gold: #C9B99A;       /* optional warm accent — very subtle, for hover states */

  /* Text on dark — soft off-white, muted stone */
  --c-text: #F5F3F0;
  --c-muted: #9A9A9A;

  /* Text on light */
  --c-ink: #0A0A0A;
  --c-ink-muted: #6B6B6B;
  --c-ink-faint: #8A8A8A;

  /* Lines — hairline, editorial */
  --c-line-dark: rgba(255, 255, 255, 0.08);
  --c-line-dark-strong: rgba(255, 255, 255, 0.13);
  --c-line-light: #E0DDD8;
  --c-line-light-strong: #D1CCC5;

  /* Type — logo-inspired pairing */
  --font-display: "Cormorant Garamond", "Bodoni Moda", Georgia, serif;
  --font-sans: "Inter", "DM Sans", system-ui, -apple-system, sans-serif;
  --font-tracked: "Inter", sans-serif; /* for eyebrows like logo wordmark */

  /* Rhythm */
  --section-pad: clamp(4rem, 8vw, 6.5rem);
  --header-h: 4.5rem;
  --radius: 2px;                  /* sharper, atelier — minimal rounding */
  --radius-sm: 2px;
  --radius-card: 4px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.10);
}

/* Theme: light — overrides palette tokens ------------------------------- */
html {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
  --c-bg-900: #E8E7E3;            /* strip / footer — warm stone, slightly darker than card */
  --c-bg-850: #F6F5F3;            /* page / header — soft paper */
  --c-bg-800: #EDECE9;            /* dark-alt sections — logo greige */
  --c-text: #0A0A0A;
  --c-muted: #6B6B6B;
  --c-line-dark: #E0DDD8;
  --c-line-dark-strong: #D1CCC5;
  --shadow-card: 0 8px 24px rgba(10, 10, 10, 0.06);
  --c-light-card: #FFFFFF;
}

/* Smooth theme transition — respects reduced-motion */
@media (prefers-reduced-motion: no-preference) {
  html[data-theme] body,
  html[data-theme] .site-header,
  html[data-theme] .site-footer,
  html[data-theme] .section,
  html[data-theme] .strip,
  html[data-theme] .service-card,
  html[data-theme] .value-card,
  html[data-theme] .contact-card,
  html[data-theme] .why-item__icon,
  html[data-theme] .service-detail__icon,
  html[data-theme] .map-placeholder,
  html[data-theme] .legal h2 {
    transition: background-color 0.28s ease, color 0.28s ease,
      border-color 0.28s ease, box-shadow 0.28s ease;
  }
}

/* Light-theme heroes — warm paper wash matching logo greige */
html[data-theme="light"] .hero,
html[data-theme="light"] .page-hero {
  background-color: #F6F5F3;
}

html[data-theme="light"] .hero__bg::after {
  background: linear-gradient(
      100deg,
      rgba(246, 245, 243, 0.96) 0%,
      rgba(237, 236, 233, 0.88) 38%,
      rgba(237, 236, 233, 0.55) 100%
    ),
    linear-gradient(rgba(246, 245, 243, 0.18), rgba(246, 245, 243, 0.18));
}

html[data-theme="light"] .page-hero__bg::after {
  background: linear-gradient(
    100deg,
    rgba(246, 245, 243, 0.97) 0%,
    rgba(237, 236, 233, 0.90) 45%,
    rgba(237, 236, 233, 0.62) 100%
  );
}

html[data-theme="light"] .hero h1,
html[data-theme="light"] .hero .h1,
html[data-theme="light"] .page-hero h1,
html[data-theme="light"] .page-hero .h1 {
  color: var(--c-ink);
}

html[data-theme="light"] .hero .lead,
html[data-theme="light"] .page-hero .lead {
  color: var(--c-ink-muted);
}

html[data-theme="light"] .hero .eyebrow,
html[data-theme="light"] .page-hero .eyebrow {
  color: var(--c-ink-muted);
}

html[data-theme="light"] .hero .accent,
html[data-theme="light"] .page-hero .accent {
  color: var(--c-ink);
  font-style: italic;
  font-weight: 500;
}

/* Light theme: dark sections now sit on paper — use ink for icons */
html[data-theme="light"] .benefit .icon,
html[data-theme="light"] .process-step__num,
html[data-theme="light"] .contact-item__icon {
  color: var(--c-accent-deep);
}

html[data-theme="light"] .benefit,
html[data-theme="light"] .process-step {
  border-top-color: var(--c-line-light);
}

html[data-theme="light"] .section--dark .link-arrow--light,
html[data-theme="light"] .section--dark-alt .link-arrow--light {
  color: var(--c-accent-deep);
}

/* Buttons that should stay inverted in light */
html[data-theme="light"] .btn--dark {
  background-color: #0A0A0A;
  color: #F5F3F0;
  border-color: #0A0A0A;
}

html[data-theme="light"] .btn--dark:hover {
  background-color: #1A1A1A;
  border-color: #1A1A1A;
}

html[data-theme="light"] .cta-band {
  background-color: #0A0A0A;
  color: #F5F3F0;
}

/* Header polish in light mode */
html[data-theme="light"] .site-header.is-scrolled {
  box-shadow: 0 1px 0 #E0DDD8, 0 8px 24px rgba(10, 10, 10, 0.04);
}

html[data-theme="light"] .logo__mark {
  border-color: rgba(10, 10, 10, 0.14);
  color: rgba(10, 10, 10, 0.45);
}

html[data-theme="light"] .btn--outline {
  border-color: rgba(10, 10, 10, 0.18);
  color: var(--c-ink);
}

html[data-theme="light"] .btn--outline:hover {
  border-color: var(--c-ink);
  color: var(--c-ink);
  background: rgba(10,10,10,0.04);
}

/* 2. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text);
  background-color: var(--c-bg-850);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

/* 3. Typography & text utilities
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.section--light h1,
.section--light h2,
.section--light h3,
.section--light h4 {
  color: var(--c-ink);
}

.h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.2vw, 4.2rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.h1 .accent,
.h2 .accent {
  font-style: italic;
  font-weight: 400;
}

.h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 500;
}

.h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

/* Section h3 that sits under display font — keep sans for cards */
.service-card h3,
.value-card h3,
.why-item h3 {
  font-family: var(--font-sans);
}

.lead {
  font-family: var(--font-sans);
  font-size: clamp(1.02rem, 1.4vw, 1.12rem);
  line-height: 1.85;
  color: var(--c-muted);
  max-width: 46rem;
  font-weight: 400;
}

.section--light .lead {
  color: var(--c-ink-muted);
}

.accent {
  color: var(--c-accent);
  font-style: italic;
}

html[data-theme="light"] .accent {
  color: var(--c-ink);
}

.text-muted {
  color: var(--c-muted);
}

/* Eyebrow label — mimics logo's SHANTI TECH ATELIER tracking */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-tracked);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-label, var(--c-muted));
}

.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: currentColor;
  opacity: 0.9;
  flex: none;
}

.eyebrow--center::after {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: currentColor;
  opacity: 0.9;
  flex: none;
}

/* 4. Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 72.5rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.container--narrow {
  max-width: 52rem;
}

.section {
  padding-block: var(--section-pad);
}

/* Dark section (default) — atelier black */
.section--dark {
  background-color: var(--c-bg-850);
  --accent-label: #9A9A9A;
}

.section--dark-alt {
  background-color: var(--c-bg-800);
  --accent-label: #9A9A9A;
}

/* Light section — logo greige / paper */
.section--light {
  background-color: var(--c-light-bg);
  color: var(--c-ink-muted);
  --accent-label: var(--c-ink-muted);
}

.section-head {
  max-width: 44rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head .lead {
  margin-top: 1rem;
}

/* Generic two-column split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.split__media img {
  width: 100%;
  border-radius: var(--radius-card);
  border: 1px solid var(--c-line-dark);
  filter: grayscale(10%);
}

.section--light .split__media img {
  border-color: var(--c-line-light);
  filter: grayscale(0%);
}

.split__body .btn {
  margin-top: 2rem;
}

/* Reversed split: media sits on the left on desktop */
.split--flip .split__media {
  order: -1;
}

.check-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.7rem;
}

.check-list li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-size: 0.96rem;
}

.check-list .icon {
  flex: none;
  width: 1.1rem;
  height: 1.1rem;
  color: var(--accent-label, var(--c-accent));
  transform: translateY(2px);
  stroke-width: 1.6;
}

/* 5. Buttons — atelier inverted logic
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: background-color 0.22s ease, border-color 0.22s ease,
    color 0.22s ease, transform 0.18s ease;
}

.btn .icon {
  width: 1.0rem;
  height: 1.0rem;
  stroke-width: 1.8;
}

.btn:hover .icon {
  transform: translateX(2px);
}

.btn .icon {
  transition: transform 0.2s ease;
}

/* Primary — bone on black (dark), black on bone (light via hover override) */
.btn--primary {
  background-color: var(--c-accent);
  color: #0A0A0A;
  border-color: var(--c-accent);
}

.btn--primary:hover {
  background-color: var(--c-accent-hover);
  border-color: var(--c-accent-hover);
  transform: translateY(-1px);
}

html[data-theme="light"] .btn--primary {
  background-color: #0A0A0A;
  color: #F5F3F0;
  border-color: #0A0A0A;
}

html[data-theme="light"] .btn--primary:hover {
  background-color: #1A1A1A;
  border-color: #1A1A1A;
}

.btn--outline {
  border-color: rgba(245, 243, 240, 0.22);
  color: var(--c-text);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(245,243,240,0.06);
}

.btn--outline-dark {
  border-color: rgba(10, 10, 10, 0.18);
  color: var(--c-ink);
  background: transparent;
}

.btn--outline-dark:hover {
  border-color: var(--c-ink);
  color: var(--c-ink);
  background: rgba(10,10,10,0.04);
}

.btn--dark {
  background-color: #F5F3F0;
  color: #0A0A0A;
  border: 1px solid #F5F3F0;
}

.btn--dark:hover {
  background-color: #E8E5E0;
  border-color: #E8E5E0;
}

html[data-theme="light"] .btn--dark {
  background-color: #F5F3F0;
  color: #0A0A0A;
}

.btn--sm {
  padding: 0.62rem 1.3rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

/* 6. Header & navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background-color: var(--c-bg-850);
  border-bottom: 1px solid var(--c-line-dark);
  transition: box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
  backdrop-filter: blur(8px);
}

.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--c-line-dark), 0 8px 32px rgba(0, 0, 0, 0.35);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo — theme-aware: black on light, white on dark */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  line-height: 0;
}

.logo__img {
  display: block;
  height: clamp(1.9rem, 6vw, 2.65rem);
  width: auto;
  max-width: min(12rem, 42vw);
  object-fit: contain;
}

/* Default (dark header) → show white logo */
.logo__img--light { display: block; }
.logo__img--dark { display: none; }

html[data-theme="light"] .logo__img--light { display: none; }
html[data-theme="light"] .logo__img--dark { display: block; }

/* Legacy placeholder (kept for reference, no longer used) */
.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px dashed rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(245, 243, 240, 0.55);
  flex: none;
}

.logo__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.logo__name small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-muted);
}

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

.main-nav a:not(.btn) {
  position: relative;
  padding: 0.35rem 0;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
  transition: color 0.2s ease;
}

.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: var(--c-text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}

html[data-theme="light"] .main-nav a:not(.btn)::after {
  background: var(--c-ink);
}

.main-nav a:not(.btn):hover,
.main-nav a:not(.btn):focus-visible {
  color: var(--c-text);
}

html[data-theme="light"] .main-nav a:not(.btn):hover,
html[data-theme="light"] .main-nav a:not(.btn):focus-visible {
  color: var(--c-ink);
}

.main-nav a:not(.btn):hover::after,
.main-nav a:not(.btn):focus-visible::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.main-nav a[aria-current="page"] {
  color: var(--c-text);
}

html[data-theme="light"] .main-nav a[aria-current="page"] {
  color: var(--c-ink);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--c-text);
}

.nav-toggle .icon {
  width: 1.6rem;
  height: 1.6rem;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle.is-open .icon-open {
  display: none;
}

.nav-toggle.is-open .icon-close {
  display: block;
}

.header-cta {
  flex: none;
}

/* Header CTA is duplicated inside the mobile panel; hide it on desktop */
.main-nav .nav-mobile-cta {
  display: none;
}

/* Theme toggle — hairline, atelier */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  flex: none;
  border: 1px solid var(--c-line-dark-strong);
  border-radius: 999px;
  color: var(--c-muted);
  background: transparent;
  transition: border-color 0.2s ease, color 0.2s ease,
    background-color 0.2s ease, transform 0.15s ease;
}

.theme-toggle:hover {
  border-color: var(--c-text);
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.06);
}

html[data-theme="light"] .theme-toggle:hover {
  background: rgba(10,10,10,0.05);
}

.theme-toggle:active {
  transform: scale(0.96);
}

.theme-toggle .icon {
  width: 1.15rem;
  height: 1.15rem;
  stroke-width: 1.7;
}

/* Cross-fade icons — show moon in dark, sun in light */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

html[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

html[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

html[data-theme="light"] .theme-toggle {
  border-color: #D6D0C8;
  color: var(--c-ink-muted);
}

html[data-theme="light"] .theme-toggle:hover {
  border-color: var(--c-ink);
  color: var(--c-ink);
}

/* Header actions cluster — keeps toggle + CTA + hamburger aligned */
.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex: none;
}

/* Mobile nav panel */
@media (max-width: 56.25em) {
  .nav-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background-color: var(--c-bg-850);
    border-bottom: 1px solid var(--c-line-dark);
    padding: 0.5rem 0 1.25rem;
    opacity: 0;
    transform: translateY(-0.5rem);
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav li {
    border-top: 1px solid var(--c-line-dark);
  }

  .main-nav a:not(.btn) {
    display: block;
    padding: 0.95rem 1.5rem;
    font-size: 0.88rem;
  }

  .main-nav a:not(.btn)::after {
    display: none;
  }

  .main-nav a[aria-current="page"] {
    color: var(--c-text);
  }

  html[data-theme="light"] .main-nav a[aria-current="page"] {
    color: var(--c-ink);
  }

  .main-nav .nav-mobile-cta {
    display: block;
    padding: 1.1rem 1.5rem 0;
  }
}

/* 7. Hero (home)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(92vh, 55rem);
  padding-top: calc(var(--header-h) + clamp(3rem, 8vh, 5.5rem));
  padding-bottom: clamp(4rem, 9vh, 6.5rem);
  background-color: var(--c-bg-900);
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(8%) contrast(1.05);
}

/* Atelier overlay — ink black, not navy, softer vignette */
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
      100deg,
      rgba(10, 10, 10, 0.96) 0%,
      rgba(14, 14, 14, 0.88) 42%,
      rgba(18, 18, 18, 0.52) 100%
    ),
    linear-gradient(rgba(10, 10, 10, 0.22), rgba(10, 10, 10, 0.22));
}

.hero__content {
  position: relative;
  max-width: 40rem;
}

.hero__content .lead {
  margin-top: 1.4rem;
  font-weight: 400;
}

.hero__actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* 8. Keyword strip (under hero) — hairline, stone
   -------------------------------------------------------------------------- */
.strip {
  background-color: var(--c-bg-900);
  border-top: 1px solid var(--c-line-dark);
  border-bottom: 1px solid var(--c-line-dark);
  padding-block: 1.25rem;
}

.strip ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 2.75rem;
  row-gap: 0.5rem;
}

.strip li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.strip li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-muted);
  opacity: 0.9;
  flex: none;
}

/* 9. Benefits (dark) — editorial columns with hairline rules
   -------------------------------------------------------------------------- */
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}

.benefit {
  border-top: 1px solid var(--c-line-dark-strong);
  padding-top: 1.9rem;
}

.benefit .icon {
  width: 2.1rem;
  height: 2.1rem;
  stroke-width: 1.4;
  color: var(--c-text);
  opacity: 0.92;
  margin-bottom: 1.2rem;
}

.benefit h3 {
  margin-bottom: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 500;
}

.benefit p {
  color: var(--c-muted);
  font-size: 0.96rem;
  line-height: 1.78;
}

/* 10. Services grid (light) — cards like paper stationery
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--c-light-card);
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-card);
  padding: 1.9rem 1.6rem;
  transition: border-color 0.24s ease, transform 0.24s ease, box-shadow 0.24s ease;
}

.service-card:hover {
  border-color: var(--c-line-light-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.service-card .icon {
  width: 1.85rem;
  height: 1.85rem;
  stroke-width: 1.45;
  color: var(--c-accent-deep);
  margin-bottom: 1.15rem;
  opacity: 0.95;
}

.service-card h3 {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.55rem;
  color: var(--c-ink);
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--c-ink-muted);
}

.section-foot {
  margin-top: clamp(2.25rem, 4vw, 3rem);
  text-align: center;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-accent-deep);
  transition: gap 0.2s ease, opacity 0.2s ease;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.link-arrow .icon {
  width: 0.95rem;
  height: 0.95rem;
}

.link-arrow:hover {
  gap: 0.7rem;
  opacity: 0.82;
}

/* Dark variant of the arrow link (used on dark sections) */
.link-arrow--light {
  color: var(--c-text);
  border-bottom-color: rgba(245,243,240,0.35);
}

.link-arrow--light:hover {
  border-bottom-color: var(--c-text);
}

/* 11. Why choose us (light) — horizontal media items
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.25rem) clamp(2rem, 4vw, 3.5rem);
}

.why-item {
  display: flex;
  gap: 1.15rem;
  align-items: flex-start;
}

.why-item__icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.85rem;
  height: 2.85rem;
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-sm);
  background: var(--c-light-card);
  color: var(--c-accent-deep);
  transition: border-color 0.22s ease, color 0.22s ease;
}

.why-item:hover .why-item__icon {
  border-color: var(--c-line-light-strong);
}

.why-item__icon .icon {
  width: 1.3rem;
  height: 1.3rem;
  stroke-width: 1.5;
}

.why-item h3 {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.why-item p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-ink-muted);
}

/* 12. CTA band — inverted atelier (light on dark, dark on light)
   -------------------------------------------------------------------------- */
.cta-band {
  background-color: #F5F3F0;
  color: #0A0A0A;
  padding-block: clamp(3.25rem, 6vw, 4.5rem);
  border-top: 1px solid #E0DDD8;
  border-bottom: 1px solid #E0DDD8;
}

html[data-theme="light"] .cta-band {
  background-color: #0A0A0A;
  color: #F5F3F0;
  border-top-color: #0A0A0A;
  border-bottom-color: #0A0A0A;
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-band h2 {
  font-family: var(--font-display);
  color: inherit;
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
  max-width: 34rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.cta-band p {
  margin-top: 0.6rem;
  color: rgba(10, 10, 10, 0.62);
  max-width: 36rem;
  font-size: 0.98rem;
}

html[data-theme="light"] .cta-band p {
  color: rgba(245,243,240,0.68);
}

/* 13. Contact strip (dark)
   -------------------------------------------------------------------------- */
.contact-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3rem);
  margin-top: clamp(2.25rem, 4vw, 3rem);
}

.contact-item {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}

.contact-item__icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.85rem;
  height: 2.85rem;
  border: 1px solid var(--c-line-dark-strong);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  background: transparent;
}

.contact-item__icon .icon {
  width: 1.25rem;
  height: 1.25rem;
  stroke-width: 1.5;
}

.contact-item h3 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 0.45rem;
}

.contact-item p {
  font-size: 0.96rem;
  line-height: 1.7;
}

.placeholder {
  color: var(--c-muted);
  font-style: italic;
}

.section--light .placeholder,
.contact-card .placeholder,
.map-placeholder .placeholder {
  color: #8A8A8A;
}

.legal strong {
  color: var(--c-text);
  font-weight: 600;
}

/* 14. Page hero (subpages)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3.5rem, 9vh, 5.5rem));
  padding-bottom: clamp(3.5rem, 8vh, 5.5rem);
  background-color: var(--c-bg-900);
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(12%) contrast(1.05);
}

.page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(10, 10, 10, 0.97) 0%,
    rgba(14, 14, 14, 0.90) 55%,
    rgba(18, 18, 18, 0.65) 100%
  );
}

.page-hero__content {
  position: relative;
  max-width: 46rem;
}

.page-hero__content .lead {
  margin-top: 1.1rem;
}

/* Breadcrumb-ish small label on subpages */
.page-hero .eyebrow {
  color: #9A9A9A;
}

html[data-theme="light"] .page-hero .eyebrow {
  color: var(--c-ink-muted);
}

/* 15. Service detail blocks (services page)
   -------------------------------------------------------------------------- */
.service-detail {
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: 1.5rem;
  padding-block: clamp(2rem, 4vw, 2.75rem);
  border-top: 1px solid var(--c-line-light);
}

.service-details-list > .service-detail:last-child {
  border-bottom: 1px solid var(--c-line-light);
}

.service-detail__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.2rem;
  height: 4.2rem;
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-card);
  background: var(--c-light-card);
  color: var(--c-accent-deep);
}

.service-detail__icon .icon {
  width: 1.9rem;
  height: 1.9rem;
  stroke-width: 1.45;
}

.service-detail h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 500;
  margin-bottom: 0.6rem;
  color: var(--c-ink);
}

.service-detail p {
  color: var(--c-ink-muted);
  max-width: 44rem;
  line-height: 1.78;
}

.service-detail p + p {
  margin-top: 0.6rem;
}

/* 16. Process steps — numbered editorial
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.75rem, 3.5vw, 3rem);
}

.process-step {
  border-top: 1px solid var(--c-line-dark-strong);
  padding-top: 1.6rem;
}

.process-step__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--c-muted);
  margin-bottom: 0.8rem;
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--c-text);
}

html[data-theme="light"] .process-step h3 {
  color: var(--c-ink);
}

.process-step p {
  font-size: 0.93rem;
  color: var(--c-muted);
  line-height: 1.72;
}

/* Light variant */
.section--light .process-step {
  border-top-color: var(--c-line-light);
}

.section--light .process-step p {
  color: var(--c-ink-muted);
}

/* 17. Values grid (about page)
   -------------------------------------------------------------------------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.value-card {
  background: var(--c-light-card);
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-card);
  padding: 1.8rem 1.6rem;
  color: var(--c-ink);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.value-card:hover {
  border-color: var(--c-line-light-strong);
  box-shadow: var(--shadow-card);
  transform: translateY(-1px);
}

.value-card .icon {
  width: 1.75rem;
  height: 1.75rem;
  stroke-width: 1.45;
  color: var(--c-accent-deep);
  margin-bottom: 1rem;
  opacity: 0.95;
}

.value-card h3 {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
  color: var(--c-ink);
}

.value-card p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-ink-muted);
}

/* 18. Contact page
   -------------------------------------------------------------------------- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.contact-card {
  background: var(--c-light-card);
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-card);
  padding: 2rem 1.75rem;
}

.contact-card .contact-item__icon {
  border-color: var(--c-line-light);
  color: var(--c-accent-deep);
  margin-bottom: 1.2rem;
}

.contact-card h2 {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--c-ink);
}

.contact-card p {
  font-size: 0.95rem;
  color: var(--c-ink-muted);
}

.map-placeholder {
  margin-top: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 14rem;
  border: 1px dashed var(--c-line-light-strong);
  border-radius: var(--radius-card);
  background: var(--c-light-card);
  color: var(--c-ink-muted);
  font-size: 0.92rem;
  text-align: center;
  padding: 2rem;
}

.map-embed {
  margin-top: 1.4rem;
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--c-light-card);
  box-shadow: var(--shadow-card);
}

.map-embed iframe {
  display: block;
  width: 100%;
  height: clamp(18rem, 42vw, 24rem);
  border: 0;
  filter: grayscale(12%) contrast(1.02);
}

.map-caption {
  margin-top: 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  color: var(--c-ink-muted);
  text-align: center;
}

.map-caption a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-line-light-strong);
  padding-bottom: 1px;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.map-caption a:hover {
  border-bottom-color: var(--c-ink);
  opacity: 0.85;
}

.map-caption .icon {
  width: 0.9rem;
  height: 0.9rem;
  stroke-width: 1.8;
}

/* 19. Legal / privacy policy
   -------------------------------------------------------------------------- */
.legal {
  max-width: 50rem;
}

.legal__updated {
  display: inline-block;
  margin-bottom: 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.legal h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin-top: 2.75rem;
  margin-bottom: 0.85rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--c-line-dark-strong);
  color: var(--c-text);
}

html[data-theme="light"] .legal h2 {
  color: var(--c-ink);
}

.legal h2:first-of-type {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.legal p,
.legal li {
  color: var(--c-muted);
  font-size: 0.97rem;
  line-height: 1.78;
}

html[data-theme="light"] .legal p,
html[data-theme="light"] .legal li {
  color: var(--c-ink-muted);
}

.legal p + p {
  margin-top: 0.85rem;
}

.legal ul {
  margin-top: 0.85rem;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.5rem;
}

.legal ul li {
  list-style: disc;
}

.legal ul li::marker {
  color: var(--c-muted);
}

.legal a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255,255,255,0.28);
}

html[data-theme="light"] .legal a {
  text-decoration-color: rgba(10,10,10,0.22);
}

/* 20. Footer — hairline, editorial
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--c-bg-900);
  border-top: 1px solid var(--c-line-dark);
  padding-top: clamp(3.5rem, 6vw, 4.5rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1fr 1.2fr;
  gap: clamp(2.25rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.75rem, 5vw, 3.75rem);
}

.footer-brand p {
  margin-top: 1.25rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--c-muted);
  max-width: 22rem;
}

.footer-social {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.65rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--c-line-dark-strong);
  border-radius: var(--radius-sm);
  color: var(--c-muted);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.footer-social a .icon {
  width: 1rem;
  height: 1rem;
}

.footer-social a:hover {
  border-color: var(--c-text);
  color: var(--c-text);
  background: rgba(255,255,255,0.04);
}

.footer-col h2 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-text);
  margin-bottom: 1.3rem;
}

.footer-col ul {
  display: grid;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.92rem;
  color: var(--c-muted);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--c-text);
}

.footer-contact-line {
  display: block;
  font-size: 0.92rem;
  color: var(--c-muted);
  line-height: 1.65;
}

.footer-contact-line + .footer-contact-line {
  margin-top: 0.65rem;
}

.footer-contact-line a:hover {
  color: var(--c-text);
}

.footer-bottom {
  border-top: 1px solid var(--c-line-dark);
  padding-block: 1.35rem;
}

.footer-bottom__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.footer-bottom a {
  color: var(--c-muted);
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: var(--c-text);
}

/* 21. Icons
   -------------------------------------------------------------------------- */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
}

/* 22. Accessibility & motion
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.7rem 1.2rem;
  background: #F5F3F0;
  color: #0A0A0A;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 1px solid var(--c-text);
  outline-offset: 3px;
  border-radius: 1px;
}

.section--light :focus-visible {
  outline-color: var(--c-ink);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* 23. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 64em) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 56.25em) {
  :root {
    --header-h: 4.25rem;
  }

  .benefits {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

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

  .split__media {
    order: -1;
  }

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

  .contact-strip__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .service-detail {
    grid-template-columns: 1fr;
  }

  .service-detail__icon {
    width: 3.5rem;
    height: 3.5rem;
  }
}

@media (max-width: 40em) {
  .services-grid,
  .values-grid,
  .process-grid,
  .why-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .strip ul {
    justify-content: flex-start;
  }

  .cta-band__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom__inner {
    justify-content: center;
    text-align: center;
  }
}