/* ============================================================
   KZF Concepts — Modern, edgy, clean industrial dark site
   ============================================================ */

/* ---- Tokens ---- */
:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.75rem, 1rem + 6vw, 6.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  /* Fonts */
  --font-display: 'Space Grotesk', 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Transition */
  --t-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --t-med: 320ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-default: 1200px;
  --content-narrow: 760px;

  /* Dark by default — industrial concrete + steel */
  --color-bg: #0e0f10;
  --color-surface: #141517;
  --color-surface-2: #191b1e;
  --color-surface-3: #20232730;
  --color-border: #2a2d31;
  --color-border-strong: #3a3e44;
  --color-text: #ececea;
  --color-text-muted: #9b9d9f;
  --color-text-faint: #5e6166;

  /* Accent: warm amber-orange — premium, not safety-vest neon */
  --color-accent: #f3a23a;
  --color-accent-hover: #ffb24c;
  --color-accent-ink: #0e0f10;
}

[data-theme='light'] {
  --color-bg: #f4f3ef;
  --color-surface: #ffffff;
  --color-surface-2: #ecebe6;
  --color-surface-3: #00000008;
  --color-border: #d9d6cf;
  --color-border-strong: #b9b6ae;
  --color-text: #14151a;
  --color-text-muted: #5c5f64;
  --color-text-faint: #9a9c9f;
  --color-accent: #c5701b;
  --color-accent-hover: #a85a10;
  --color-accent-ink: #ffffff;
}

/* ---- Base reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  color-scheme: dark light;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 20% -10%, rgba(243, 162, 58, 0.06), transparent 50%),
    radial-gradient(circle at 90% 10%, rgba(80, 130, 180, 0.04), transparent 45%);
}

img, svg, video { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
button { background: none; border: none; cursor: pointer; color: inherit; font: inherit; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
p { text-wrap: pretty; max-width: 68ch; }

::selection { background: var(--color-accent); color: var(--color-accent-ink); }

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

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

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  z-index: 100;
  font-size: var(--text-sm);
  font-weight: 600;
}
.skip-link:focus { top: var(--space-4); }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin: 0 auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
}
.section-alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.section-dark {
  background:
    linear-gradient(180deg, var(--color-bg) 0%, #0a0b0c 100%);
  border-block: 1px solid var(--color-border);
  position: relative;
}
.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--color-border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.15;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}
.section-dark > .container { position: relative; z-index: 1; }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 80%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.logo-mark {
  height: 28px;
  width: auto;
  color: var(--color-text);
}
.brand-word { display: inline-flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: var(--text-sm);
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-faint);
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-sm);
}
.nav a {
  color: var(--color-text-muted);
  position: relative;
  padding-block: 4px;
}
.nav a:hover { color: var(--color-text); }
.nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast);
}
.nav a:hover::after { transform: scaleX(1); }

.nav .nav-cta {
  color: var(--color-text);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}
.nav .nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: var(--color-accent);
}
.nav .nav-cta::after { display: none; }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--t-fast), opacity var(--t-fast);
}

@media (max-width: 880px) {
  .menu-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-6);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-110%);
    transition: transform var(--t-med);
  }
  .nav.is-open { transform: translateY(0); }
  .nav a {
    width: 100%;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-base);
  }
  .nav .nav-cta { width: 100%; margin-top: var(--space-4); text-align: center; border-bottom: 1px solid var(--color-border-strong); }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
  border: 1px solid transparent;
  cursor: pointer;
  text-transform: uppercase;
  line-height: 1;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(243, 162, 58, 0.25);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-ghost:hover {
  border-color: var(--color-text);
  background: var(--color-surface);
}
.btn-full { width: 100%; }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding-top: clamp(var(--space-20), 12vw, var(--space-32));
  padding-bottom: clamp(var(--space-16), 10vw, var(--space-24));
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--space-8);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  width: max-content;
  background: var(--color-surface);
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--color-accent) 25%, transparent);
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  max-width: 16ch;
}
.accent { color: var(--color-accent); }

.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  font-weight: 400;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.hero-meta li {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.hero-meta strong {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  font-weight: 500;
}
.hero-meta span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.35;
}
@media (max-width: 720px) {
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
  color: var(--color-text);
  pointer-events: none;
  opacity: 0.85;
}
.hero-visual svg { width: 100%; height: 100%; }

/* ---- Stat strip ---- */
.strip {
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: var(--space-5);
  gap: var(--space-5);
}
.strip-grid > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-4);
}
.strip-grid > div:first-child { border-left: 0; padding-left: 0; }
.strip-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}
.strip-lbl {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
@media (max-width: 720px) {
  .strip-grid { grid-template-columns: repeat(2, 1fr); }
  .strip-grid > div:nth-child(3) { border-left: 0; padding-left: 0; }
}

/* ---- Section heads ---- */
.section-head {
  display: grid;
  gap: var(--space-4);
  max-width: 760px;
  margin-bottom: var(--space-12);
}
.kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}
.kicker-on-dark { color: var(--color-accent); }
.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  max-width: 22ch;
}
.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ---- Transformation story ---- */
.transformation {
  background:
    linear-gradient(180deg, #0b0c0d 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}
.transformation-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.35fr;
  gap: var(--space-12);
  align-items: center;
}
.transformation-copy .section-title {
  margin-top: var(--space-3);
  max-width: 18ch;
}
.transformation-copy p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}
.transformation-points {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.transformation-points span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-2) var(--space-3);
}
.before-after {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border-strong);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}
.ba-card {
  position: relative;
  min-width: 0;
  background: var(--color-surface);
}
.ba-card svg {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}
.ba-label {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent-ink);
  background: var(--color-accent);
  padding: var(--space-2) var(--space-3);
}
.ba-before .ba-label {
  color: var(--color-text);
  background: #1d1a17;
  border: 1px solid #6c5a4b;
}
.ba-divider {
  position: absolute;
  inset-block: 0;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  background: var(--color-accent);
  z-index: 3;
}
.ba-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 52px;
  height: 52px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: var(--color-accent);
  box-shadow: 0 0 0 8px rgba(243, 162, 58, 0.16);
}
.ba-divider span::before,
.ba-divider span::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--color-accent-ink);
  border-right: 2px solid var(--color-accent-ink);
}
.ba-divider span::before {
  left: 13px;
  transform: translateY(-50%) rotate(-135deg);
}
.ba-divider span::after {
  right: 13px;
  transform: translateY(-50%) rotate(45deg);
}
@media (max-width: 980px) {
  .transformation-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .before-after { grid-template-columns: 1fr; }
  .ba-divider {
    inset: 50% 0 auto 0;
    width: auto;
    height: 1px;
    transform: translateY(-50%);
  }
  .ba-divider span::before {
    left: 16px;
    transform: translateY(-50%) rotate(-45deg);
  }
  .ba-divider span::after {
    right: 16px;
    transform: translateY(-50%) rotate(135deg);
  }
}

/* ---- Editorial lookbook ---- */
.lookbook {
  background:
    radial-gradient(circle at 18% 0%, rgba(243, 162, 58, 0.08), transparent 32%),
    linear-gradient(180deg, var(--color-bg) 0%, #0a0b0c 100%);
  border-bottom: 1px solid var(--color-border);
}
.lookbook-head {
  max-width: 860px;
}
.lookbook-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr 0.85fr;
  gap: var(--space-6);
  align-items: stretch;
}
.lookbook-card {
  display: grid;
  grid-template-rows: auto 1fr;
  background: #0a0b0c;
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.lookbook-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
}
.lookbook-large {
  grid-row: span 2;
}
.editorial-frame {
  position: relative;
  background: #0d0e0f;
  padding: clamp(10px, 1.6vw, 18px);
  border-bottom: 1px solid var(--color-border);
}
.editorial-frame::before {
  content: '';
  position: absolute;
  inset: clamp(10px, 1.6vw, 18px);
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  z-index: 2;
}
.editorial-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(110deg, transparent 0 45%, rgba(255,255,255,0.08) 50%, transparent 56%),
    radial-gradient(circle at 50% 0%, rgba(255,255,255,0.14), transparent 38%);
  mix-blend-mode: screen;
  opacity: 0.55;
}
.editorial-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.98) contrast(1.04);
}
.lookbook-large .editorial-frame img {
  aspect-ratio: 16 / 9;
  min-height: 420px;
}
.editorial-frame svg {
  display: none;
  height: auto;
  filter: saturate(0.98) contrast(1.04);
}
.lookbook-copy {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.lookbook-copy span {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.lookbook-copy h3 {
  font-size: var(--text-xl);
  max-width: 15ch;
}
.lookbook-card:not(.lookbook-large) .lookbook-copy h3 {
  font-size: var(--text-lg);
}
.lookbook-copy p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
@media (max-width: 1080px) {
  .lookbook-grid {
    grid-template-columns: 1fr 1fr;
  }
  .lookbook-large {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}
@media (max-width: 680px) {
  .lookbook-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.service-card {
  background: var(--color-bg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: background var(--t-fast), transform var(--t-fast);
  position: relative;
}
.section-alt .service-card { background: var(--color-surface); }
.service-card:hover {
  background: var(--color-surface);
}
.section-alt .service-card:hover { background: var(--color-surface-2); }
.service-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--t-med);
}
.service-card:hover::before { width: 100%; }
.service-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-text-faint);
}
.service-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.service-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}
.service-card ul {
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}
.service-card ul li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--space-4);
  position: relative;
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.65em;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ---- Capabilities ---- */
.capabilities {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: start;
}
.cap-left p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-6);
}
.cap-list {
  display: flex;
  flex-direction: column;
}
.cap-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  align-items: baseline;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
  font-size: var(--text-base);
}
.cap-list li:last-child { border-bottom: 1px solid var(--color-border); }
.cap-list li span {
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cap-list li em {
  color: var(--color-text-muted);
  font-style: normal;
  font-size: var(--text-sm);
  text-align: right;
}
@media (max-width: 880px) {
  .capabilities { grid-template-columns: 1fr; gap: var(--space-8); }
  .cap-list li { grid-template-columns: 1fr; gap: var(--space-1); }
  .cap-list li em { text-align: left; }
}

/* ---- Process ---- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  list-style: none;
}
.process-step {
  background: var(--color-bg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
}
.step-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-accent);
  font-weight: 600;
}
.process-step h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.process-step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}
@media (max-width: 880px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .process-grid { grid-template-columns: 1fr; }
}

/* ---- Why ---- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-16);
  align-items: start;
}
.why-head .section-title { margin-top: var(--space-3); }
.why-head p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.why-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.why-list li {
  background: var(--color-bg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.why-list li strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--text-base);
  letter-spacing: -0.005em;
}
@media (max-width: 980px) {
  .why-grid { grid-template-columns: 1fr; gap: var(--space-10); }
}
@media (max-width: 600px) {
  .why-list { grid-template-columns: 1fr; }
}

/* ---- Work ---- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.work-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.work-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}
.work-visual {
  aspect-ratio: 4 / 3;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.work-visual svg { width: 100%; height: 100%; }
.work-meta {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.work-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.work-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.work-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
@media (max-width: 980px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .work-grid { grid-template-columns: 1fr; }
}

/* ---- Area ---- */
.area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.area-grid .section-title { margin-top: var(--space-3); }
.area-grid p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}
.area-note {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  border-left: 2px solid var(--color-accent);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.area-visual {
  display: flex;
  justify-content: center;
  color: var(--color-text);
  opacity: 0.9;
}
.area-visual svg { max-width: 420px; width: 100%; }
@media (max-width: 880px) {
  .area-grid { grid-template-columns: 1fr; }
}

/* ---- CTA / Contact ---- */
.section-cta {
  background:
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
  border-top: 1px solid var(--color-border);
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}
.cta-grid .section-title { margin-top: var(--space-3); }
.cta-grid p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}
.cta-meta {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.cta-meta li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--space-4);
  font-size: var(--text-sm);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  align-items: baseline;
}
.cta-meta li span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.cta-meta a:hover { color: var(--color-accent); }

.cta-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
}
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field-wide { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.field input,
.field select,
.field textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  width: 100%;
  resize: vertical;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-bg);
}
.cta-form .btn-full { grid-column: 1 / -1; margin-top: var(--space-2); }
.form-note {
  grid-column: 1 / -1;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  min-height: 1.2em;
}
.form-note.is-success { color: var(--color-accent); }
@media (max-width: 880px) {
  .cta-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .cta-form { grid-template-columns: 1fr; padding: var(--space-6); }
}

/* ---- Footer ---- */
.site-footer {
  background: #0a0b0c;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
}
[data-theme='light'] .site-footer { background: #e8e6e0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
}
.footer-brand p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 40ch;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.footer-cols h4 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.footer-cols a,
.footer-cols span {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-block: var(--space-2);
}
.footer-cols a:hover { color: var(--color-accent); }
.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .footer-bar { flex-direction: column; gap: var(--space-2); align-items: flex-start; }
}

/* ---- Reveal animation ----
   Only applies when JS has marked the document with .js. Without JS, content
   is always visible. */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.js .reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}