/* ==========================================================================
   SG Designs & Developer — standalone utility CSS (no Tailwind build)
   ========================================================================== */

/* ── Design tokens ── */
:root {
  --radius: 0.25rem;
  --header-h: 4.5rem;

  --ink: oklch(0.14 0.012 250);
  --charcoal: oklch(0.22 0.012 250);
  --concrete: oklch(0.78 0.005 250);
  --bone: oklch(0.975 0.004 90);
  --steel: oklch(0.48 0.045 235);
  --copper: oklch(0.66 0.13 45);
  --copper-glow: oklch(0.76 0.15 55);

  --background: var(--bone);
  --foreground: var(--ink);
  --card: oklch(1 0 0);
  --card-foreground: var(--ink);
  --primary: var(--ink);
  --primary-foreground: var(--bone);
  --secondary: oklch(0.95 0.004 250);
  --secondary-foreground: var(--ink);
  --muted: oklch(0.94 0.004 250);
  --muted-foreground: oklch(0.48 0.012 250);
  --accent: var(--copper);
  --accent-foreground: var(--bone);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.88 0.008 250);
  --input: oklch(0.92 0.008 250);
  --ring: var(--copper);

  --font-display: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
}

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: var(--border);
}

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote {
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

::selection {
  background: var(--copper);
  color: var(--bone);
}

/* ── Scroll progress ── */
#sg-scroll-progress {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 60;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

#sg-scroll-progress-bar {
  height: 100%;
  width: 0;
  background: var(--copper);
  transition: width 150ms ease;
}

/* ── Site header states ── */
#sg-site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  transition: background-color 400ms ease, border-color 400ms ease, padding 400ms ease, color 400ms ease, backdrop-filter 400ms ease;
  background: linear-gradient(
    to bottom,
    color-mix(in oklab, var(--ink) 72%, transparent) 0%,
    color-mix(in oklab, var(--ink) 28%, transparent) 70%,
    transparent 100%
  );
  padding-block: 1rem;
  color: var(--bone);
}

#sg-site-header .sg-brand-name {
  color: var(--bone);
}

#sg-site-header .sg-brand-tagline {
  color: color-mix(in oklab, var(--bone) 65%, transparent);
}

#sg-site-header .sg-nav-link {
  color: color-mix(in oklab, var(--bone) 82%, transparent);
  white-space: nowrap;
}

#sg-site-header .sg-nav-link:hover,
#sg-site-header .sg-nav-link.is-current {
  color: var(--bone);
}

#sg-site-header .sg-header-menu-btn {
  border-color: color-mix(in oklab, var(--bone) 35%, transparent);
  color: var(--bone);
}

#sg-site-header .sg-header-cta {
  margin-left: auto;
  border-color: color-mix(in oklab, var(--bone) 40%, transparent);
  background: var(--bone);
  color: var(--ink);
}

#sg-site-header .sg-header-cta:hover {
  border-color: var(--copper);
  background: var(--copper);
  color: var(--bone);
}

#sg-site-header .sg-header-cta-full {
  display: none;
}

#sg-site-header .sg-header-cta-short {
  display: inline;
}

#sg-site-header.is-scrolled {
  background: color-mix(in oklab, var(--background) 92%, transparent);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid color-mix(in oklab, var(--border) 60%, transparent);
  padding-block: 0.75rem;
  color: var(--foreground);
}

#sg-site-header.is-scrolled .sg-brand-name {
  color: var(--foreground);
}

#sg-site-header.is-scrolled .sg-brand-tagline {
  color: var(--muted-foreground);
}

#sg-site-header.is-scrolled .sg-nav-link {
  color: color-mix(in oklab, var(--foreground) 80%, transparent);
}

#sg-site-header.is-scrolled .sg-nav-link:hover,
#sg-site-header.is-scrolled .sg-nav-link.is-current {
  color: var(--foreground);
}

#sg-site-header.is-scrolled .sg-header-menu-btn {
  border-color: var(--border);
  color: var(--foreground);
}

#sg-site-header.is-scrolled .sg-header-cta {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bone);
}

#sg-site-header.is-scrolled .sg-header-cta:hover {
  border-color: var(--copper);
  background: var(--copper);
  color: var(--bone);
}

@media (min-width: 768px) {
  #sg-site-header {
    padding-block: 1.25rem;
  }

  #sg-site-header.is-scrolled {
    padding-block: 0.75rem;
  }
}

/* Desktop nav: only when there is enough width */
@media (min-width: 1200px) {
  #sg-site-header .sg-desktop-nav {
    display: flex;
    margin-left: auto;
  }

  #sg-site-header .sg-header-cta {
    margin-left: 0;
  }

  #sg-site-header .sg-header-menu-btn {
    display: none;
  }

  #sg-site-header .sg-header-cta-full {
    display: inline;
  }

  #sg-site-header .sg-header-cta-short {
    display: none;
  }

  [data-mobile-menu] {
    display: none !important;
  }
}

@media (min-width: 1320px) {
  #sg-site-header .sg-brand-text {
    display: block;
  }

  #sg-site-header .sg-nav-link {
    padding-inline: 0.75rem;
  }
}

/* ── Mobile menu ── */
[data-mobile-menu] {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
}

[data-mobile-menu].is-open {
  display: block;
}

body.sg-scroll-lock {
  overflow: hidden;
}

/* ── FAQ accordion ── */
[data-faq-item].is-open {
  border-color: color-mix(in oklab, var(--copper) 60%, transparent) !important;
}

[data-faq-item] [data-faq-panel] {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 500ms ease-out, padding-bottom 500ms ease-out;
  padding-bottom: 0;
}

[data-faq-item].is-open [data-faq-panel] {
  grid-template-rows: 1fr;
  padding-bottom: 1.5rem;
}

[data-faq-item] [data-faq-panel] > div {
  min-height: 0;
}

[data-faq-item].is-open .sg-faq-plus {
  display: none;
}

[data-faq-item].is-open .sg-faq-minus {
  display: block;
}

[data-faq-item]:not(.is-open) .sg-faq-minus {
  display: none;
}

/* ── Project filter / modal ── */
[data-project-card].is-hidden {
  display: none !important;
}

[data-project-modal] {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  background: color-mix(in oklab, var(--ink) 85%, transparent);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 1rem;
}

[data-project-modal].is-open {
  display: flex;
}

[data-filter-btn].is-active {
  border-color: var(--ink) !important;
  background: var(--ink) !important;
  color: var(--bone) !important;
}

/* ── Form states ── */
[data-consultation-form] .sg-form-status.is-error {
  color: #b91c1c;
}

[data-consultation-form] .sg-form-status.is-success {
  color: var(--copper);
}

/* ── Custom utilities ── */
.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 0.95;
  font-size: clamp(2.6rem, 7.5vw, 5.25rem);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
}

.glass-panel {
  background: color-mix(in oklab, white 70%, transparent);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid color-mix(in oklab, white 60%, transparent);
  box-shadow:
    0 1px 0 color-mix(in oklab, white 80%, transparent) inset,
    0 30px 60px -20px color-mix(in oklab, black 35%, transparent);
}

.glass-dark {
  background: color-mix(in oklab, black 35%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid color-mix(in oklab, white 12%, transparent);
}

.marquee {
  animation: marquee 38s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes float-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  animation: float-up 900ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}

.reveal-delay-1 { animation-delay: 120ms; }
.reveal-delay-2 { animation-delay: 240ms; }
.reveal-delay-3 { animation-delay: 360ms; }
.reveal-delay-4 { animation-delay: 480ms; }

.grain { position: relative; }

.eyebrow {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
}

.copper-rule {
  background: linear-gradient(90deg, transparent 0%, var(--copper) 50%, transparent 100%);
  height: 1px;
}

.magnetic-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: all 320ms cubic-bezier(0.2, 0.7, 0.2, 1);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bone);
  overflow: hidden;
}

/* ── Display ── */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.inline { display: inline; }
.grid { display: grid; }
.hidden { display: none; }
.contents { display: contents; }

/* ── Position ── */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }
.isolate { isolation: isolate; }

.inset-0 { inset: 0; }
.inset-x-0 { left: 0; right: 0; }
.inset-x-2\.5 { left: 0.625rem; right: 0.625rem; }
.inset-x-3 { left: 0.75rem; right: 0.75rem; }
.inset-x-4 { left: 1rem; right: 1rem; }
.inset-x-6 { left: 1.5rem; right: 1.5rem; }
.inset-y-0 { top: 0; bottom: 0; }
.top-0 { top: 0; }
.top-4 { top: 1rem; }
.top-6 { top: 1.5rem; }
.top-7 { top: 1.75rem; }
.top-8 { top: 2rem; }
.top-1\/4 { top: 25%; }
.top-1\/2 { top: 50%; }
.right-0 { right: 0; }
.right-4 { right: 1rem; }
.right-6 { right: 1.5rem; }
.right-\[8\%\] { right: 8%; }
.right-\[10\%\] { right: 10%; }
.bottom-0 { bottom: 0; }
.bottom-3 { bottom: 0.75rem; }
.bottom-4 { bottom: 1rem; }
.bottom-6 { bottom: 1.5rem; }
.left-0 { left: 0; }
.left-1\/2 { left: 50%; }
.left-4 { left: 1rem; }
.left-6 { left: 1.5rem; }
.left-7 { left: 1.75rem; }
.left-auto { left: auto; }
.-top-3 { top: -0.75rem; }
.-top-6 { top: -1.5rem; }
.-top-32 { top: -8rem; }
.-top-40 { top: -10rem; }
.-bottom-0\.5 { bottom: -0.125rem; }
.-bottom-1 { bottom: -0.25rem; }
.-bottom-6 { bottom: -1.5rem; }
.-right-1 { right: -0.25rem; }
.-right-4 { right: -1rem; }
.-right-6 { right: -1.5rem; }
.-right-32 { right: -8rem; }
.-left-4 { left: -1rem; }
.-left-40 { left: -10rem; }

.z-10 { z-index: 10; }
.z-30 { z-index: 30; }
.z-50 { z-index: 50; }
.z-\[60\] { z-index: 60; }
.z-\[70\] { z-index: 70; }

/* ── Flex / Grid ── */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0,
.shrink-0 { flex-shrink: 0; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }
.gap-14 { gap: 3.5rem; }
.gap-px { gap: 1px; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-\[auto_1fr\] { grid-template-columns: auto 1fr; }
.grid-cols-\[1fr_1\.1fr\] { grid-template-columns: 1fr 1.1fr; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }

.place-items-center { place-items: center; }

/* ── Sizing ── */
.size-full { width: 100%; height: 100%; }
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-28 { width: 7rem; }
.w-32 { width: 8rem; }
.w-44 { width: 11rem; }
.w-\[260px\] { width: 260px; }
.w-\[360px\] { width: 360px; }
.w-\[420px\] { width: 420px; }
.w-\[480px\] { width: 480px; }
.w-\[520px\] { width: 520px; }
.w-\[min\(100\%\,260px\)\] { width: min(100%, 260px); }
.w-\[min\(85vw\,360px\)\] { width: min(85vw, 360px); }
.h-full { height: 100%; }
.h-px { height: 1px; }
.h-1\.5 { height: 0.375rem; }
.w-1\.5 { width: 0.375rem; }
.h-2 { height: 0.5rem; }
.h-3 { height: 0.75rem; }
.h-3\.5 { height: 0.875rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-7 { height: 1.75rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.h-32 { height: 8rem; }
.h-\[2px\] { height: 2px; }
.h-\[480px\] { height: 480px; }
.h-\[520px\] { height: 520px; }
.h-\[420px\] { height: 420px; }
.h-\[360px\] { height: 360px; }
.min-h-0 { min-height: 0; }
.min-h-screen { min-height: 100vh; }
.min-w-0 { min-width: 0; }
.min-w-max { min-width: max-content; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-\[1100px\] { max-width: 1100px; }
.max-w-\[1200px\] { max-width: 1200px; }
.max-w-\[1400px\] { max-width: 1400px; }
.max-h-0 { max-height: 0; }
.max-h-32 { max-height: 8rem; }
.aspect-\[4\/3\] { aspect-ratio: 4 / 3; }
.aspect-\[4\/5\] { aspect-ratio: 4 / 5; }
.aspect-\[5\/4\] { aspect-ratio: 5 / 4; }
.aspect-\[5\/6\] { aspect-ratio: 5 / 6; }
.aspect-\[16\/9\] { aspect-ratio: 16 / 9; }
.aspect-\[16\/10\] { aspect-ratio: 16 / 10; }

/* ── Spacing ── */
.m-0 { margin: 0; }
.mx-auto { margin-inline: auto; }
.mx-1 { margin-inline: 0.25rem; }
.mx-8 { margin-inline: 2rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-7 { margin-top: 1.75rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-14 { margin-top: 3.5rem; }
.mt-16 { margin-top: 4rem; }
.ml-auto { margin-left: auto; }
.ml-20 { margin-left: 5rem; }
.ml-\[76px\] { margin-left: 76px; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mt-0\.5 { margin-top: 0.125rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-7 { padding: 1.75rem; }
.p-8 { padding: 1.5rem; }
.px-2 { padding-inline: 0.5rem; }
.px-2\.5 { padding-inline: 0.625rem; }
.px-3 { padding-inline: 0.75rem; }
.px-4 { padding-inline: 1rem; }
.px-6 { padding-inline: 1.25rem; }
.px-7 { padding-inline: 1.75rem; }
.py-1 { padding-block: 0.25rem; }
.py-1\.5 { padding-block: 0.375rem; }
.py-2 { padding-block: 0.5rem; }
.py-2\.5 { padding-block: 0.625rem; }
.py-3 { padding-block: 0.75rem; }
.py-3\.5 { padding-block: 0.875rem; }
.py-4 { padding-block: 1rem; }
.py-5 { padding-block: 1.25rem; }
.py-6 { padding-block: 1.5rem; }
.py-8 { padding-block: 2rem; }
.py-16 { padding-block: 4rem; }
.py-20 { padding-block: 5rem; }
.py-24 { padding-block: 4.5rem; }
.pt-4 { padding-top: 1rem; }
.pt-5 { padding-top: 1.25rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pt-32 { padding-top: 7.5rem; }
.pt-36 { padding-top: 8rem; }
.pt-40 { padding-top: 9rem; }
.pb-0 { padding-bottom: 0; }
.pb-5 { padding-bottom: 1.25rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-16 { padding-bottom: 4rem; }
.pb-20 { padding-bottom: 5rem; }
.pb-24 { padding-bottom: 5rem; }
.pl-6 { padding-left: 1.5rem; }
.pl-\[44px\] { padding-left: 44px; }
.scroll-mt-32 { scroll-margin-top: 8rem; }
.top-\[var\(--header-h\)\] { top: var(--header-h); }
.top-\[64px\] { top: var(--header-h, 64px); }

/* ── Typography ── */
.font-sans { font-family: var(--font-sans); }
.font-display { font-family: var(--font-display); }
.font-light { font-weight: 300; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.italic { font-style: italic; }
.uppercase { text-transform: uppercase; }
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.leading-none { line-height: 1; }
.text-\[15px\] { font-size: 15px; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-relaxed { line-height: 1.625; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-\[0\.16em\] { letter-spacing: 0.16em; }
.tracking-\[0\.18em\] { letter-spacing: 0.18em; }
.tracking-\[0\.2em\] { letter-spacing: 0.2em; }
.tracking-\[0\.22em\] { letter-spacing: 0.22em; }
.tracking-\[0\.24em\] { letter-spacing: 0.24em; }
.tracking-\[0\.28em\] { letter-spacing: 0.28em; }
.tracking-\[0\.32em\] { letter-spacing: 0.32em; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-7xl { font-size: 4.5rem; line-height: 1; }
.text-\[9px\] { font-size: 9px; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-\[12px\] { font-size: 12px; }
.text-\[13px\] { font-size: 13px; }
.text-\[14px\] { font-size: 14px; }
.text-\[15px\] { font-size: 15px; }
.text-\[17px\] { font-size: 17px; }
.text-\[18px\] { font-size: 18px; }
.text-\[20px\] { font-size: 20px; }
.text-\[22px\] { font-size: 22px; }
.text-\[24px\] { font-size: 24px; }
.text-\[26px\] { font-size: 26px; }
.text-\[28px\] { font-size: 28px; }
.text-\[34px\] { font-size: 34px; }
.text-\[40px\] { font-size: 40px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.break-all { word-break: break-all; }
.whitespace-nowrap { white-space: nowrap; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ── Colors: text ── */
.text-foreground { color: var(--foreground); }
.text-background { color: var(--background); }
.text-primary { color: var(--primary); }
.text-primary-foreground { color: var(--primary-foreground); }
.text-secondary-foreground { color: var(--secondary-foreground); }
.text-muted-foreground { color: var(--muted-foreground); }
.text-card-foreground { color: var(--card-foreground); }
.text-ink { color: var(--ink); }
.text-charcoal { color: var(--charcoal); }
.text-concrete { color: var(--concrete); }
.text-bone { color: var(--bone); }
.text-steel { color: var(--steel); }
.text-copper { color: var(--copper); }
.text-copper-glow { color: var(--copper-glow); }
.text-foreground\/80 { color: color-mix(in oklab, var(--foreground) 80%, transparent); }
.text-foreground\/85 { color: color-mix(in oklab, var(--foreground) 85%, transparent); }
.text-foreground\/40 { color: color-mix(in oklab, var(--foreground) 40%, transparent); }
.text-muted-foreground\/80 { color: color-mix(in oklab, var(--muted-foreground) 80%, transparent); }
.text-muted-foreground\/70 { color: color-mix(in oklab, var(--muted-foreground) 70%, transparent); }
.text-bone\/45 { color: color-mix(in oklab, var(--bone) 45%, transparent); }
.text-bone\/55 { color: color-mix(in oklab, var(--bone) 55%, transparent); }
.text-bone\/60 { color: color-mix(in oklab, var(--bone) 60%, transparent); }
.text-bone\/65 { color: color-mix(in oklab, var(--bone) 65%, transparent); }
.text-bone\/70 { color: color-mix(in oklab, var(--bone) 70%, transparent); }
.text-bone\/80 { color: color-mix(in oklab, var(--bone) 80%, transparent); }
.text-bone\/85 { color: color-mix(in oklab, var(--bone) 85%, transparent); }

/* ── Colors: background ── */
.bg-background { background-color: var(--background); }
.bg-foreground { background-color: var(--foreground); }
.bg-primary { background-color: var(--primary); }
.bg-primary-foreground { background-color: var(--primary-foreground); }
.bg-secondary { background-color: var(--secondary); }
.bg-muted { background-color: var(--muted); }
.bg-card { background-color: var(--card); }
.bg-ink { background-color: var(--ink); }
.bg-charcoal { background-color: var(--charcoal); }
.bg-concrete { background-color: var(--concrete); }
.bg-bone { background-color: var(--bone); }
.bg-steel { background-color: var(--steel); }
.bg-copper { background-color: var(--copper); }
.bg-copper-glow { background-color: var(--copper-glow); }
.bg-transparent { background-color: transparent; }
.bg-border { background-color: var(--border); }
.bg-background\/70 { background-color: color-mix(in oklab, var(--background) 70%, transparent); }
.bg-background\/85 { background-color: color-mix(in oklab, var(--background) 85%, transparent); }
.bg-background\/90 { background-color: color-mix(in oklab, var(--background) 90%, transparent); }
.bg-ink\/70 { background-color: color-mix(in oklab, var(--ink) 70%, transparent); }
.bg-ink\/80 { background-color: color-mix(in oklab, var(--ink) 80%, transparent); }
.bg-ink\/85 { background-color: color-mix(in oklab, var(--ink) 85%, transparent); }
.bg-ink\/90 { background-color: color-mix(in oklab, var(--ink) 90%, transparent); }
.bg-ink\/95 { background-color: color-mix(in oklab, var(--ink) 95%, transparent); }
.bg-copper\/5 { background-color: color-mix(in oklab, var(--copper) 5%, transparent); }
.bg-copper\/15 { background-color: color-mix(in oklab, var(--copper) 15%, transparent); }
.bg-copper\/20 { background-color: color-mix(in oklab, var(--copper) 20%, transparent); }
.bg-copper\/25 { background-color: color-mix(in oklab, var(--copper) 25%, transparent); }
.bg-copper\/30 { background-color: color-mix(in oklab, var(--copper) 30%, transparent); }
.bg-bone\/\[0\.03\] { background-color: color-mix(in oklab, var(--bone) 3%, transparent); }
.bg-bone\/\[0\.06\] { background-color: color-mix(in oklab, var(--bone) 6%, transparent); }
.bg-bone\/10 { background-color: color-mix(in oklab, var(--bone) 10%, transparent); }

/* ── Colors: border ── */
.border { border-width: 1px; border-style: solid; }
.border-0 { border-width: 0; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-l-2 { border-left-width: 2px; border-left-style: solid; }
.border-border { border-color: var(--border); }
.border-ink { border-color: var(--ink); }
.border-copper { border-color: var(--copper); }
.border-bone\/10 { border-color: color-mix(in oklab, var(--bone) 10%, transparent); }
.border-bone\/15 { border-color: color-mix(in oklab, var(--bone) 15%, transparent); }
.border-bone\/20 { border-color: color-mix(in oklab, var(--bone) 20%, transparent); }
.border-bone\/30 { border-color: color-mix(in oklab, var(--bone) 30%, transparent); }
.border-bone\/60 { border-color: color-mix(in oklab, var(--bone) 60%, transparent); }
.border-copper\/40 { border-color: color-mix(in oklab, var(--copper) 40%, transparent); }
.border-copper\/50 { border-color: color-mix(in oklab, var(--copper) 50%, transparent); }
.border-copper\/60 { border-color: color-mix(in oklab, var(--copper) 60%, transparent); }
.border-copper\/70 { border-color: color-mix(in oklab, var(--copper) 70%, transparent); }
.border-input { border-color: var(--input); }

/* ── Ring / outline ── */
.ring-0 { box-shadow: 0 0 0 0 transparent; }
.ring-1 { box-shadow: inset 0 0 0 1px currentColor; }
.ring-inset { box-shadow: inset 0 0 0 1px currentColor; }
.outline-none { outline: none; }

/* ── Border radius ── */
.rounded-sm { border-radius: var(--radius); }
.rounded-md { border-radius: calc(var(--radius) + 2px); }
.rounded-lg { border-radius: calc(var(--radius) + 4px); }
.rounded-xl { border-radius: calc(var(--radius) + 8px); }
.rounded-2xl { border-radius: calc(var(--radius) + 12px); }
.rounded-full { border-radius: 9999px; }

/* ── Shadows ── */
.shadow { box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); }

/* ── Overflow / object ── */
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.object-cover { object-fit: cover; }

/* ── Opacity ── */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-55 { opacity: 0.55; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }
.opacity-90 { opacity: 0.9; }
.opacity-100 { opacity: 1; }
.opacity-\[0\.12\] { opacity: 0.12; }

/* ── Transform / transition ── */
.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-duration: 150ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.transition-all { transition-property: all; transition-duration: 150ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.transition-colors { transition-property: color, background-color, border-color; transition-duration: 150ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.transition-transform { transition-property: transform; transition-duration: 150ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.transition-opacity { transition-property: opacity; transition-duration: 150ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.duration-150 { transition-duration: 150ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.duration-\[1200ms\] { transition-duration: 1200ms; }
.duration-\[1500ms\] { transition-duration: 1500ms; }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
.scale-x-0 { transform: scaleX(0); }
.origin-left { transform-origin: left; }
.-translate-x-1\/2 { transform: translateX(-50%); }
.-translate-y-1\/2 { transform: translateY(-50%); }
.-translate-y-1 { transform: translateY(-0.25rem); }
.translate-x-0\.5 { transform: translateX(0.125rem); }
.translate-x-1 { transform: translateX(0.25rem); }
.rotate-45 { transform: rotate(45deg); }
.scale-105 { transform: scale(1.05); }
.scale-110 { transform: scale(1.1); }

/* ── Filters / blend ── */
.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.backdrop-blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.blur-\[140px\] { filter: blur(140px); }
.blur-\[160px\] { filter: blur(160px); }
.mix-blend-screen { mix-blend-mode: screen; }

/* ── Gradients ── */
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.bg-gradient-to-t { background-image: linear-gradient(to top, var(--tw-gradient-stops)); }
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops)); }
.from-transparent { --tw-gradient-from: transparent; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.from-ink { --tw-gradient-from: var(--ink); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.from-ink\/95 { --tw-gradient-from: color-mix(in oklab, var(--ink) 95%, transparent); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.from-ink\/80 { --tw-gradient-from: color-mix(in oklab, var(--ink) 80%, transparent); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.from-background { --tw-gradient-from: var(--background); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.via-ink { --tw-gradient-stops: var(--tw-gradient-from), var(--ink), var(--tw-gradient-to, transparent); }
.via-ink\/85 { --tw-gradient-stops: var(--tw-gradient-from), color-mix(in oklab, var(--ink) 85%, transparent), var(--tw-gradient-to, transparent); }
.via-ink\/40 { --tw-gradient-stops: var(--tw-gradient-from), color-mix(in oklab, var(--ink) 40%, transparent), var(--tw-gradient-to, transparent); }
.via-ink\/20 { --tw-gradient-stops: var(--tw-gradient-from), color-mix(in oklab, var(--ink) 20%, transparent), var(--tw-gradient-to, transparent); }
.via-ink\/10 { --tw-gradient-stops: var(--tw-gradient-from), color-mix(in oklab, var(--ink) 10%, transparent), var(--tw-gradient-to, transparent); }
.via-transparent { --tw-gradient-stops: var(--tw-gradient-from), transparent, var(--tw-gradient-to, transparent); }
.via-border { --tw-gradient-stops: var(--tw-gradient-from), var(--border), var(--tw-gradient-to, transparent); }
.via-background { --tw-gradient-stops: var(--tw-gradient-from), var(--background), var(--tw-gradient-to, transparent); }
.via-copper { --tw-gradient-stops: var(--tw-gradient-from), var(--copper), var(--tw-gradient-to, transparent); }
.to-transparent { --tw-gradient-to: transparent; }
.to-ink { --tw-gradient-to: var(--ink); }
.to-ink\/30 { --tw-gradient-to: color-mix(in oklab, var(--ink) 30%, transparent); }
.to-ink\/40 { --tw-gradient-to: color-mix(in oklab, var(--ink) 40%, transparent); }
.to-background { --tw-gradient-to: var(--background); }

/* ── Pointer events / resize ── */
.pointer-events-none { pointer-events: none; }
.resize-none { resize: none; }

/* ── Space utilities ── */
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-5 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.25rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-8 > :not([hidden]) ~ :not([hidden]) { margin-top: 2rem; }
.space-y-12 > :not([hidden]) ~ :not([hidden]) { margin-top: 3rem; }
.space-y-20 > :not([hidden]) ~ :not([hidden]) { margin-top: 5rem; }

/* ── List / form extras ── */
.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;
}

input::placeholder,
textarea::placeholder {
  opacity: 1;
}

.placeholder\:text-muted-foreground::placeholder { color: var(--muted-foreground); }
.placeholder\:text-bone\/40::placeholder { color: color-mix(in oklab, var(--bone) 40%, transparent); }

.focus\:border-copper:focus { border-color: var(--copper); }

.disabled\:opacity-60:disabled { opacity: 0.6; }

/* ── Hover utilities ── */
.hover\:text-foreground:hover { color: var(--foreground); }
.hover\:text-copper:hover { color: var(--copper); }
.hover\:text-bone:hover { color: var(--bone); }
.hover\:bg-muted:hover { background-color: var(--muted); }
.hover\:bg-ink:hover { background-color: var(--ink); }
.hover\:bg-copper:hover { background-color: var(--copper); }
.hover\:bg-copper-glow:hover { background-color: var(--copper-glow); }
.hover\:bg-bone\/10:hover { background-color: color-mix(in oklab, var(--bone) 10%, transparent); }
.hover\:border-copper:hover { border-color: var(--copper); }
.hover\:border-bone\/60:hover { border-color: color-mix(in oklab, var(--bone) 60%, transparent); }
.hover\:border-copper\/50:hover { border-color: color-mix(in oklab, var(--copper) 50%, transparent); }
.hover\:border-copper\/60:hover { border-color: color-mix(in oklab, var(--copper) 60%, transparent); }
.hover\:border-copper\/70:hover { border-color: color-mix(in oklab, var(--copper) 70%, transparent); }
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }
.hover\:shadow-2xl:hover { box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); }
.hover\:opacity-100:hover { opacity: 1; }
.hover\:bg-primary\/90:hover { background-color: color-mix(in oklab, var(--primary) 90%, transparent); }
.hover\:bg-accent:hover { background-color: var(--accent); }

/* ── Group hover ── */
.group:hover .group-hover\:scale-x-100 { transform: scaleX(1); }
.group:hover .group-hover\:translate-x-0\.5 { transform: translateX(0.125rem); }
.group:hover .group-hover\:translate-x-1 { transform: translateX(0.25rem); }
.group:hover .group-hover\:-translate-y-0\.5 { transform: translateY(-0.125rem); }
.group:hover .group-hover\:text-copper { color: var(--copper); }
.group:hover .group-hover\:text-foreground { color: var(--foreground); }
.group:hover .group-hover\:text-bone { color: var(--bone); }
.group:hover .group-hover\:text-bone\/70 { color: color-mix(in oklab, var(--bone) 70%, transparent); }
.group:hover .group-hover\:text-bone\/65 { color: color-mix(in oklab, var(--bone) 65%, transparent); }
.group:hover .group-hover\:bg-ink { background-color: var(--ink); }
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:scale-110 { transform: scale(1.1); }
.group:hover .group-hover\:opacity-100 { opacity: 1; }
.group:hover .group-hover\:max-h-32 { max-height: 8rem; }
.group:hover .group-hover\:w-24 { width: 6rem; }
.group:hover .group-hover\:bg-copper { background-color: var(--copper); }
.group:hover .group-hover\:rotate-45 { transform: rotate(45deg); }
.group:hover .group-hover\:from-ink\/95 { --tw-gradient-from: color-mix(in oklab, var(--ink) 95%, transparent); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.group:hover .group-hover\:ring-1 { box-shadow: inset 0 0 0 1px currentColor; }
.group:hover .group-hover\:ring-inset { box-shadow: inset 0 0 0 1px currentColor; }
.group:hover .group-hover\:ring-copper { box-shadow: inset 0 0 0 1px var(--copper); }

/* ── Site footer ── */
.sg-site-footer {
  padding-top: 4rem;
  padding-bottom: 0;
}

.sg-site-footer > .mx-auto {
  padding-top: 0;
  padding-bottom: 2.5rem;
}

.sg-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.sg-footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 1.5rem;
}

.sg-footer-links > *:last-child {
  grid-column: 1 / -1;
}

.sg-footer-links a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

@media (min-width: 640px) {
  .sg-site-footer {
    padding-top: 5rem;
  }

  .sg-footer-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }

  .sg-footer-links > *:last-child {
    grid-column: auto;
  }
}

@media (min-width: 1024px) {
  .sg-site-footer {
    padding-top: 6rem;
  }

  .sg-site-footer > .mx-auto {
    padding-bottom: 3rem;
  }

  .sg-footer-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1.65fr);
    gap: 3rem 4rem;
    align-items: start;
  }

  .sg-footer-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem 2.5rem;
  }
}

/* ── Nav current item ── */
.sg-nav-link.is-current { color: var(--foreground); }

/* ── Detail rows (challenge / solution / outcome) ── */
.sg-detail-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

/* ── Process step mobile description (no magic margin) ── */
.sg-process-step-mobile {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.sg-process-step-mobile .sg-process-step-copy {
  flex: 1;
  min-width: 0;
}

@media (min-width: 768px) {
  .sg-process-step-mobile {
    display: block;
  }
}

/* ── Touch: always show card descriptions (hover doesn't work) ── */
@media (hover: none) {
  .group .group-hover\:max-h-32 {
    max-height: 8rem;
  }
  .group .group-hover\:opacity-100 {
    opacity: 1;
  }
}

/* ── Responsive: sm (640px) ── */
@media (min-width: 640px) {
  .sm\:block { display: block; }
  .sm\:hidden { display: none; }
  .sm\:inline { display: inline; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sm\:col-span-2 { grid-column: span 2 / span 2; }
  .sm\:w-\[440px\] { width: 440px; }
  .sm\:flex-row { flex-direction: row; }
  .sm\:text-left { text-align: left; }
  .sm\:gap-4 { gap: 1rem; }
  .sm\:gap-6 { gap: 1.5rem; }
  .sm\:px-4 { padding-inline: 1rem; }
  .sm\:px-6 { padding-inline: 1.5rem; }
  .sm\:p-5 { padding: 1.25rem; }
  .sm\:p-7 { padding: 1.75rem; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:pb-16 { padding-bottom: 4rem; }
  .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
  .sm\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .sm\:text-\[10px\] { font-size: 10px; }
  .sm\:text-\[11px\] { font-size: 11px; }
  .sm\:left-6 { left: 1.5rem; }
  .sm\:right-6 { right: 1.5rem; }
  .sm\:left-auto { left: auto; }
  .sm\:right-auto { right: auto; }
  .sm\:mx-0 { margin-inline: 0; }
  .sm\:-bottom-6 { bottom: -1.5rem; }
  .sm\:-right-4 { right: -1rem; }
  .sm\:w-\[260px\] { width: 260px; }
}

/* ── Responsive: md (768px) ── */
@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:hidden { display: none; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .md\:flex-row { flex-direction: row; }
  .md\:items-center { align-items: center; }
  .md\:items-end { align-items: flex-end; }
  .md\:justify-between { justify-content: space-between; }
  .md\:justify-end { justify-content: flex-end; }
  .md\:text-right { text-align: right; }
  .md\:text-left { text-align: left; }
  .md\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .md\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .md\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .md\:text-\[15px\] { font-size: 15px; }
  .md\:text-\[17px\] { font-size: 17px; }
  .md\:text-\[20px\] { font-size: 20px; }
  .md\:text-\[22px\] { font-size: 22px; }
  .md\:text-\[26px\] { font-size: 26px; }
  .md\:text-\[28px\] { font-size: 28px; }
  .md\:text-\[32px\] { font-size: 32px; }
  .md\:text-\[34px\] { font-size: 34px; }
  .md\:text-\[40px\] { font-size: 40px; }
  .md\:leading-\[1\.05\] { line-height: 1.05; }
  .md\:px-10 { padding-inline: 2.5rem; }
  .md\:p-8 { padding: 2rem; }
  .md\:p-10 { padding: 2.5rem; }
  .md\:p-12 { padding: 3rem; }
  .md\:py-28 { padding-block: 7rem; }
  .md\:py-32 { padding-block: 8rem; }
  .md\:pt-36 { padding-top: 9rem; }
  .md\:pt-40 { padding-top: 10rem; }
  .md\:pt-44 { padding-top: 11rem; }
  .md\:pt-48 { padding-top: 12rem; }
  .md\:pb-10 { padding-bottom: 2.5rem; }
  .md\:pb-24 { padding-bottom: 6rem; }
  .md\:pb-28 { padding-bottom: 7rem; }
  .md\:pb-32 { padding-bottom: 8rem; }
  .md\:pl-24 { padding-left: 6rem; }
  .md\:ml-0 { margin-left: 0; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .md\:grid-cols-\[auto_1fr\] { grid-template-columns: auto 1fr; }
  .md\:gap-3 { gap: 0.75rem; }
  .md\:gap-4 { gap: 1rem; }
  .md\:gap-6 { gap: 1.5rem; }
  .md\:gap-8 { gap: 2rem; }
  .md\:gap-10 { gap: 2.5rem; }
  .md\:gap-16 { gap: 4rem; }
  .md\:w-32 { width: 8rem; }
  .md\:w-\[360px\] { width: 360px; }
  .md\:left-auto { left: auto; }
  .md\:-right-6 { right: -1.5rem; }
  .md\:-right-10 { right: -2.5rem; }
  .md\:aspect-\[5\/6\] { aspect-ratio: 5 / 6; }
  .md\:min-h-screen { min-height: 100vh; }
  .md\:mt-0 { margin-top: 0; }
  .md\:mt-5 { margin-top: 1.25rem; }
  .md\:w-24 { width: 6rem; }
  .md\:w-28 { width: 7rem; }
  .md\:max-h-0 { max-height: 0; }
  .md\:opacity-0 { opacity: 0; }
  .md\:py-4 { padding-block: 1rem; }
  .md\:space-y-16 > :not([hidden]) ~ :not([hidden]) { margin-top: 4rem; }

  .group:hover .md\:group-hover\:max-h-32 { max-height: 8rem; }
  .group:hover .md\:group-hover\:opacity-100 { opacity: 1; }

  .sg-detail-row {
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
  }

  /* Process page vertical timeline line */
  .md\:before\:absolute::before { content: ""; position: absolute; }
  .md\:before\:left-\[31px\]::before { left: 31px; }
  .md\:before\:top-4::before { top: 1rem; }
  .md\:before\:bottom-4::before { bottom: 1rem; }
  .md\:before\:w-px::before { width: 1px; }
  .md\:before\:bg-border::before { background-color: var(--border); }
}

/* ── Responsive: lg (1024px) ── */
@media (min-width: 1024px) {
  .lg\:hidden { display: none; }
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
  .lg\:ml-0 { margin-left: 0; }
  .lg\:sticky { position: sticky; }
  .lg\:top-32 { top: 8rem; }
  .lg\:self-start { align-self: flex-start; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-\[0\.95fr_1\.05fr\] { grid-template-columns: 0.95fr 1.05fr; }
  .lg\:grid-cols-\[1fr_1\.1fr\] { grid-template-columns: 1fr 1.1fr; }
  .lg\:grid-cols-\[1fr_1fr\] { grid-template-columns: 1fr 1fr; }
  .lg\:grid-cols-\[1\.15fr_0\.85fr\] { grid-template-columns: 1.15fr 0.85fr; }
  .lg\:grid-cols-\[1\.4fr_1fr_1fr_1fr\] { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .lg\:col-span-1 { grid-column: span 1 / span 1; }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:gap-16 { gap: 4rem; }
  .lg\:pt-36 { padding-top: 9rem; }
  .lg\:pb-0 { padding-bottom: 0; }
  .lg\:order-2 { order: 2; }
}

/* Services grid nth-child spans */
@media (min-width: 1024px) {
  .services-feature-grid > *:nth-child(1) { grid-column: span 2 / span 2; }
  .services-feature-grid > *:nth-child(2) { grid-column: span 1 / span 1; }
  .services-feature-grid > *:nth-child(9) { grid-column: span 2 / span 2; }
  .services-catalog-grid > *:nth-last-child(2) { grid-column: span 2 / span 2; }
}

/* Alternating project layout */
@media (min-width: 1024px) {
  .project-row-reverse > *:first-child { order: 2; }
  .lg\:order-flip > *:first-child { order: 2; }
}

/* ── Small-phone polish (< 400px) ── */
@media (max-width: 399px) {
  .hero-headline {
    font-size: clamp(2.15rem, 11vw, 2.75rem);
  }

  .section-title {
    font-size: clamp(1.65rem, 8vw, 2.15rem);
  }

  .px-6 {
    padding-inline: 1rem;
  }

  .text-3xl {
    font-size: 1.5rem;
    line-height: 1.85rem;
  }
}