/* ============================================================
   IT FACTORY — Swiss editorial / paper & ink design system
   Big grotesque type, strict grid, logo-linked accent system,
   Apple-style motion (masked reveals, parallax, kinetic hero)
   ============================================================ */

:root {
  --paper: #f7f6f2;
  --paper-raised: #fffefb;
  --ink: #131311;
  --ink-soft: #2b2b28;
  --muted: #6a6a63;
  --muted-strong: #45453f;
  --rule: rgba(19, 19, 17, 0.18);
  --rule-soft: rgba(19, 19, 17, 0.08);
  --accent: #2fa6c8;
  --accent-rgb: 47, 166, 200;
  --accent-secondary: #84b95a;
  --accent-secondary-rgb: 132, 185, 90;
  --accent-soft: rgba(47, 166, 200, 0.08);
  --accent-soft-mix: linear-gradient(
    90deg,
    rgba(47, 166, 200, 0.09),
    rgba(132, 185, 90, 0.08) 42%,
    transparent 74%
  );
  --font-display: "Switzer", "Helvetica Neue", sans-serif;
  --font-body: "Switzer", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", monospace;
  --radius: 2px;
  --content-width: min(1240px, calc(100vw - 2.5rem));
  --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 450ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-slow: 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

/* ---------- atmosphere: column guides + paper grain ---------- */

.grid-lines {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: var(--content-width);
  z-index: 0;
  pointer-events: none;
  border-left: 1px solid var(--rule-soft);
  border-right: 1px solid var(--rule-soft);
  background-image: linear-gradient(to right, var(--rule-soft) 1px, transparent 1px);
  background-size: 25% 100%;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.3;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.04'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* dark-theme leftovers on shared pages — not part of the light system */
.ambient {
  display: none;
}

.site-shell {
  position: relative;
  overflow-x: clip;
}

.topbar,
.section,
.marquee,
.footer {
  position: relative;
  z-index: 1;
}

/* ---------- scroll progress ---------- */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 55;
  pointer-events: none;
}

/* ---------- skip link ---------- */

.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 1rem 1.5rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- topbar ---------- */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: rgba(247, 246, 242, 0.8);
  border-bottom: 1px solid var(--rule-soft);
  transition: background var(--transition-normal), transform var(--transition-normal);
}

.topbar.is-hidden {
  transform: translateY(-100%);
}

.topbar.is-scrolled {
  background: rgba(247, 246, 242, 0.92);
  border-bottom-color: var(--rule);
}

.topbar-inner {
  width: var(--content-width);
  margin: 0 auto;
  padding: 0.9rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  transition: opacity var(--transition-fast);
}

.brand em {
  font-style: normal;
  font-size: 0.55em;
  color: var(--accent);
  vertical-align: super;
}

.brand:hover {
  opacity: 0.75;
}

.brand:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 6px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.brand:hover .brand-mark {
  transform: rotate(-6deg);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.3rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-index {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--accent);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link:focus-visible {
  color: var(--ink);
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.nav-link-cta {
  padding: 0.55rem 1.2rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  transition: background var(--transition-fast), color var(--transition-fast);
}

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

.nav-link-cta:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- mobile nav ---------- */

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.mobile-menu-toggle:hover {
  border-color: var(--ink);
}

.mobile-menu-toggle:active {
  transform: scale(0.95);
}

.mobile-menu-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-fast), width var(--transition-fast);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  width: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* topbar's backdrop-filter makes it the containing block, so
   position the overlay off the topbar itself instead of the viewport */
.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 100svh;
  padding-top: 1rem;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  z-index: 45;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-16px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
}

.mobile-nav:not([hidden]) {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav[hidden] {
  display: flex !important;
}

.mobile-nav-link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.1rem 2rem;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  border-bottom: 1px solid var(--rule-soft);
  transition: color var(--transition-fast), padding-left var(--transition-fast), background var(--transition-fast);
}

.mobile-nav-link span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.mobile-nav-link:hover {
  color: var(--accent);
  padding-left: 2.6rem;
  background: var(--accent-soft);
}

.mobile-nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* ---------- layout primitives ---------- */

.section {
  width: var(--content-width);
  margin: 0 auto;
  padding: 5.5rem 0;
}

.section-marker {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.marker-index {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
}

.marker-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted-strong);
  white-space: nowrap;
}

.marker-rule {
  flex: 1;
  align-self: center;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1100ms cubic-bezier(0.22, 1, 0.36, 1) 200ms;
}

.section-marker.is-visible .marker-rule {
  transform: scaleX(1);
}

.eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3.8rem, 11vw, 10rem);
  line-height: 0.94;
  font-weight: 800;
}

h2 {
  font-size: clamp(2.2rem, 4.6vw, 4rem);
  line-height: 1.02;
  max-width: 18ch;
  font-weight: 700;
}

h2 em {
  font-style: normal;
  color: var(--accent);
}

h3 {
  font-size: 1.4rem;
  line-height: 1.1;
  font-weight: 700;
}

p {
  margin: 0;
  line-height: 1.75;
  color: var(--muted);
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-text {
  max-width: 60ch;
  margin-top: 1.5rem;
  font-size: 1.08rem;
}

/* ---------- hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 7rem;
  padding-bottom: 2.5rem;
  position: relative;
}

/* Apple-inspired AI composition — layered glass panels + signal traces */
.hero-figure {
  position: absolute;
  top: 50%;
  right: 1rem;
  width: clamp(260px, 30vw, 430px);
  height: clamp(260px, 30vw, 430px);
  transform: translateY(-52%);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  animation: figureIn 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.9s;
}

@keyframes figureIn {
  from {
    opacity: 0;
    transform: translateY(-48%) scale(0.94);
  }
  to {
    opacity: 1;
    transform: translateY(-52%) scale(1);
  }
}

.figure-glow,
.figure-grid,
.figure-panel,
.figure-logo,
.figure-signal,
.figure-node {
  position: absolute;
}

.figure-glow {
  inset: 12%;
  border-radius: 34%;
  background:
    radial-gradient(circle at 30% 30%, rgba(var(--accent-rgb), 0.22), transparent 42%),
    radial-gradient(circle at 72% 66%, rgba(var(--accent-secondary-rgb), 0.18), transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.5), transparent 62%);
  filter: blur(38px);
  opacity: 0.95;
  animation: glowFloat 11s ease-in-out infinite alternate;
}

.figure-grid {
  inset: 14% 10%;
  border-radius: 2rem;
  border: 1px solid rgba(19, 19, 17, 0.08);
  background-image:
    linear-gradient(to right, rgba(19, 19, 17, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(19, 19, 17, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(135deg, transparent 0%, black 18%, black 84%, transparent 100%);
  -webkit-mask-image: linear-gradient(135deg, transparent 0%, black 18%, black 84%, transparent 100%);
  opacity: 0.75;
  animation: gridDrift 18s linear infinite;
}

.figure-panel {
  border-radius: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.18)),
    linear-gradient(180deg, rgba(var(--accent-rgb), 0.11), rgba(var(--accent-secondary-rgb), 0.08));
  box-shadow:
    0 24px 40px rgba(19, 19, 17, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.figure-panel::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  right: 1.1rem;
  top: 1rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.72), rgba(var(--accent-secondary-rgb), 0.48));
  opacity: 0.8;
}

.figure-panel-back {
  inset: 18% 15% 28% 13%;
  opacity: 0.58;
  transform: rotate(-8deg);
  animation: panelBackFloat 12s ease-in-out infinite;
}

.figure-panel-mid {
  inset: 27% 9% 16% 24%;
  opacity: 0.72;
  transform: rotate(8deg);
  animation: panelMidFloat 10s ease-in-out infinite;
}

.figure-panel-front {
  inset: 22% 19% 22% 11%;
  opacity: 0.94;
  animation: panelFrontFloat 9s ease-in-out infinite;
}

.figure-logo {
  top: 50%;
  left: 50%;
  width: clamp(112px, 12vw, 152px);
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: contain;
  filter:
    drop-shadow(0 10px 24px rgba(19, 19, 17, 0.1))
    drop-shadow(0 0 18px rgba(var(--accent-rgb), 0.12));
  opacity: 0.3;
  z-index: 2;
  animation: logoFloat 8.2s ease-in-out infinite;
}

.figure-signal {
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0), rgba(var(--accent-rgb), 0.9), rgba(var(--accent-secondary-rgb), 0.72), rgba(var(--accent-secondary-rgb), 0));
  filter: blur(0.2px);
  opacity: 0.82;
}

.figure-signal-a {
  top: 34%;
  left: 18%;
  width: 47%;
  animation: signalSweepA 6.8s ease-in-out infinite;
}

.figure-signal-b {
  bottom: 30%;
  right: 12%;
  width: 36%;
  animation: signalSweepB 7.8s ease-in-out infinite;
}

.figure-node {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  box-shadow:
    0 0 0 6px rgba(var(--accent-rgb), 0.08),
    0 8px 18px rgba(19, 19, 17, 0.08);
  animation: nodePulseSoft 5.4s ease-in-out infinite;
}

.figure-node-a {
  top: 31%;
  left: 23%;
}

.figure-node-b {
  top: 47%;
  right: 24%;
  animation-delay: 1s;
}

.figure-node-c {
  bottom: 26%;
  left: 42%;
  animation-delay: 2s;
}

@keyframes glowFloat {
  from {
    transform: translate3d(-8px, -10px, 0) scale(0.97);
  }
  to {
    transform: translate3d(12px, 10px, 0) scale(1.04);
  }
}

@keyframes gridDrift {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 28px 14px, 14px 28px;
  }
}

@keyframes panelBackFloat {
  0%,
  100% {
    transform: rotate(-8deg) translate3d(0, 0, 0);
  }
  50% {
    transform: rotate(-5deg) translate3d(-8px, 10px, 0);
  }
}

@keyframes panelMidFloat {
  0%,
  100% {
    transform: rotate(8deg) translate3d(0, 0, 0);
  }
  50% {
    transform: rotate(10deg) translate3d(10px, -8px, 0);
  }
}

@keyframes panelFrontFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -10px, 0);
  }
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translate(-50%, -50%) translateY(0) scale(0.985) rotate(-2deg);
    opacity: 0.22;
  }
  50% {
    transform: translate(-50%, -50%) translateY(-8px) scale(1.035) rotate(2deg);
    opacity: 0.32;
  }
}

@keyframes signalSweepA {
  0%,
  100% {
    transform: translateX(-10px);
    opacity: 0.28;
  }
  50% {
    transform: translateX(22px);
    opacity: 0.92;
  }
}

@keyframes signalSweepB {
  0%,
  100% {
    transform: translateX(12px);
    opacity: 0.3;
  }
  50% {
    transform: translateX(-20px);
    opacity: 0.88;
  }
}

@keyframes nodePulseSoft {
  0%,
  100% {
    transform: scale(1);
    box-shadow:
      0 0 0 6px rgba(var(--accent-rgb), 0.08),
      0 8px 18px rgba(19, 19, 17, 0.08);
  }
  50% {
    transform: scale(1.12);
    box-shadow:
      0 0 0 10px rgba(var(--accent-secondary-rgb), 0.08),
      0 12px 22px rgba(19, 19, 17, 0.1);
  }
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-strong);
  opacity: 0;
  animation: fadeInUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.15s;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.38);
  animation: pulseDot 2.4s ease-out infinite;
}

@keyframes pulseDot {
  0% {
    box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.38);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(var(--accent-rgb), 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0);
  }
}

/* masked line reveals, Apple-style */
.hero h1 {
  display: grid;
}

.h1-word {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

.h1-word > span {
  display: block;
  transform: translateY(112%);
  animation: wordRise 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.h1-word:nth-child(1) > span {
  animation-delay: 0.25s;
}

.h1-word:nth-child(2) > span {
  animation-delay: 0.38s;
}

.h1-word:nth-child(3) > span {
  animation-delay: 0.51s;
}

@keyframes wordRise {
  to {
    transform: translateY(0);
  }
}

.h1-word i {
  font-style: normal;
  color: var(--accent);
}

.hero-text {
  max-width: 52ch;
  margin-top: 2.2rem;
  font-size: 1.12rem;
  color: var(--muted-strong);
  opacity: 0;
  animation: fadeInUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.75s;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.75rem;
  opacity: 0;
  animation: fadeInUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.9s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: auto;
  padding-top: 4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  animation: fadeInUp 0.9s ease forwards;
  animation-delay: 1.1s;
}

.hero-meta-scroll {
  margin-left: auto;
  color: var(--accent);
  animation: scrollNudge 2.2s ease-in-out infinite;
}

@keyframes scrollNudge {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 1rem 0;
  background: var(--paper);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: marqueeScroll 36s linear infinite;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}

.marquee-track i {
  font-style: normal;
  color: var(--accent);
  font-size: 0.8rem;
}

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

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

/* ---------- buttons ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3.3rem;
  padding: 0 1.6rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1px solid transparent;
  position: relative;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-normal),
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.button svg {
  transition: transform var(--transition-fast);
}

.button:hover svg {
  transform: translateX(4px);
}

.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.button-primary {
  background: var(--ink);
  color: var(--paper);
}

.button-primary:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.25);
}

.button-secondary {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.button-secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

.button-dark {
  background: var(--paper);
  color: var(--ink);
}

.button-dark:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--paper);
}

/* ---------- about ---------- */

.about-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}

.about-copy {
  display: grid;
  gap: 1.15rem;
  padding-top: 0.5rem;
}

.about-copy p:first-child {
  color: var(--ink-soft);
  font-size: 1.15rem;
  font-weight: 500;
}

/* ---------- services ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.service-card {
  position: relative;
  padding: 2.1rem 1.9rem 2.3rem;
  background: var(--paper);
  transition:
    background var(--transition-normal),
    transform var(--transition-normal);
}

.service-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.service-card:hover,
.service-card:focus-visible {
  background: var(--paper-raised);
  outline: none;
}

.service-card:hover::after,
.service-card:focus-visible::after {
  transform: scaleX(1);
}

.service-index {
  position: absolute;
  top: 1.5rem;
  right: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  transition: color var(--transition-fast);
}

.service-card:hover .service-index {
  color: var(--accent);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 1.4rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  transition: border-color var(--transition-normal), background var(--transition-normal), color var(--transition-normal), transform var(--transition-normal);
}

.service-card:hover .card-icon {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--paper);
  transform: translateY(-3px) rotate(-4deg);
}

.service-card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.25rem;
}

.service-card p {
  font-size: 0.97rem;
}

/* ---------- projects ---------- */

.projects-list {
  border-top: 1px solid var(--ink);
}

.project-row {
  display: grid;
  grid-template-columns: 5rem 1fr 3rem;
  gap: 2rem;
  align-items: start;
  padding: 2.2rem 0.5rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background var(--transition-normal), padding-left var(--transition-normal);
}

.project-row:hover,
.project-row:focus-visible {
  background: var(--accent-soft-mix);
  padding-left: 1.4rem;
  outline: none;
}

.project-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--muted);
  transition: color var(--transition-normal), -webkit-text-stroke-color var(--transition-normal);
}

.project-row:hover .project-num,
.project-row:focus-visible .project-num {
  color: var(--accent);
  -webkit-text-stroke-color: var(--accent);
}

.project-body {
  display: grid;
  gap: 0.75rem;
}

.project-body h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
}

.project-body p {
  max-width: 62ch;
}

.project-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted-strong);
  text-transform: uppercase;
}

.project-arrow {
  justify-self: end;
  align-self: center;
  font-size: 1.5rem;
  color: var(--muted);
  opacity: 0;
  transform: translate(-8px, 8px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), color var(--transition-normal);
}

.project-row:hover .project-arrow,
.project-row:focus-visible .project-arrow {
  opacity: 1;
  transform: translate(0, 0);
  color: var(--accent);
}

/* ---------- approach ---------- */

.approach-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
}

.approach-step {
  position: relative;
  padding-top: 1.8rem;
  border-top: 2px solid var(--ink);
  transition: border-color var(--transition-normal);
}

.approach-step:hover {
  border-top-color: var(--accent);
}

.step-index {
  display: block;
  margin-bottom: 1.6rem;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
}

.approach-step h3 {
  margin-bottom: 0.8rem;
}

.approach-step p {
  font-size: 0.98rem;
}

/* ---------- education ---------- */

.education-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.education-panel {
  display: grid;
  gap: 1.1rem;
  padding: 2.4rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.education-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.9rem;
}

.education-points span {
  display: inline-flex;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.education-points span:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- leadership ---------- */

.lead-card {
  display: grid;
  gap: 1.1rem;
  padding: 2.4rem;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

/* ---------- CTA ---------- */

.cta-section {
  padding-bottom: 6.5rem;
}

.cta-card {
  position: relative;
  border-radius: 4px;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(247, 246, 242, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(247, 246, 242, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 90% at 80% 10%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 80% 10%, black, transparent 75%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem);
  display: grid;
  gap: 1.4rem;
}

.cta-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.cta-card h2 {
  color: var(--paper);
  font-size: clamp(2.6rem, 6vw, 5rem);
  max-width: none;
}

.cta-text {
  color: rgba(247, 246, 242, 0.72);
  font-size: 1.1rem;
  max-width: 48ch;
}

.cta-actions {
  margin-top: 0.6rem;
}

.cta-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 1.6rem;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(247, 246, 242, 0.2);
}

.cta-meta-label {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(247, 246, 242, 0.5);
}

.cta-meta-value {
  color: var(--paper);
  font-weight: 500;
  font-size: 1rem;
}

a.cta-meta-value {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

a.cta-meta-value:hover {
  color: var(--accent);
}

/* ---------- footer ---------- */

.footer {
  width: var(--content-width);
  margin: 0 auto;
  padding: 3.5rem 0 2.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  gap: 1rem 2rem;
  align-items: center;
  border-top: 1px solid var(--ink);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-tagline {
  color: var(--muted);
  font-size: 0.9rem;
  grid-column: 2;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted-strong);
  font-size: 0.88rem;
  position: relative;
  transition: color var(--transition-fast);
}

.footer-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition-fast);
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-links a:hover::after {
  width: 100%;
}

.footer-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-copyright {
  grid-column: 1 / -1;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  padding-top: 2rem;
}

/* ---------- back to top ---------- */

.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 40;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 50%;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(19, 19, 17, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition:
    opacity var(--transition-normal),
    visibility var(--transition-normal),
    transform var(--transition-normal),
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.back-to-top:not([hidden]) {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- cookie banner ---------- */

.cookie-banner {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 60;
  width: min(27rem, calc(100vw - 3rem));
  padding: 1.5rem;
  border-radius: 6px;
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  box-shadow: 0 25px 60px rgba(19, 19, 17, 0.18);
  display: grid;
  gap: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition:
    opacity var(--transition-normal),
    visibility var(--transition-normal),
    transform var(--transition-normal);
}

.cookie-banner:not([hidden]) {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cookie-title {
  margin-bottom: 0.4rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

.cookie-copy p:last-child {
  font-size: 0.92rem;
  line-height: 1.6;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cookie-actions .button {
  flex: 1 1 8rem;
  min-height: 2.9rem;
}

.cookie-copy a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.cookie-copy a:hover {
  color: var(--accent);
}

.cookie-copy a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- policy pages ---------- */

.policy-page .policy-hero {
  padding-top: 9rem;
  padding-bottom: 1rem;
}

.policy-content {
  padding-top: 2rem;
}

.policy-card {
  display: grid;
  gap: 1.1rem;
  padding: 2.4rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper-raised);
  margin-bottom: 1.5rem;
}

.policy-card h2,
.policy-card h3 {
  max-width: none;
  font-size: 1.5rem;
}

.policy-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
  line-height: 1.7;
}

.policy-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- reveal animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 800ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-scale {
  opacity: 0;
  transform: translateY(24px) scale(0.97);
  transition:
    opacity 700ms ease,
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-eyebrow,
  .h1-word > span,
  .hero-text,
  .hero-actions,
  .hero-meta,
  .hero-figure,
  .figure-glow,
  .figure-grid,
  .figure-panel,
  .figure-logo,
  .figure-signal,
  .figure-node,
  .pulse-dot,
  .hero-meta-scroll,
  .marquee-track {
    animation: none !important;
    opacity: 1;
    transform: none;
  }

  .marker-rule {
    transform: scaleX(1);
    transition: none;
  }

  .button,
  .service-card,
  .project-row,
  .approach-step,
  .card-icon {
    transition: none;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .about-layout,
  .education-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .approach-steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-figure {
    opacity: 0.5;
    width: clamp(220px, 34vw, 320px);
    height: clamp(220px, 34vw, 320px);
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-tagline {
    grid-column: 1;
  }

  .footer-links {
    grid-column: 2;
    justify-content: flex-end;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .grid-lines {
    background-size: 50% 100%;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: 100svh;
    padding-top: 6.5rem;
  }

  h1 {
    font-size: clamp(3.4rem, 17vw, 5rem);
  }

  .hero-figure {
    top: auto;
    bottom: 16%;
    right: -10%;
    transform: none;
    opacity: 0.35;
  }

  @keyframes figureIn {
    from {
      opacity: 0;
      transform: scale(0.94);
    }
    to {
      opacity: 0.35;
      transform: scale(1);
    }
  }

  .hero-meta {
    flex-wrap: wrap;
    gap: 0.8rem 1.4rem;
    padding-top: 3rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-actions .button {
    width: 100%;
  }

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

  .marker-index {
    font-size: 1.8rem;
  }

  .project-row {
    grid-template-columns: 3rem 1fr;
    gap: 1.2rem;
    padding: 1.8rem 0.25rem;
  }

  .project-row:hover,
  .project-row:focus-visible {
    padding-left: 0.8rem;
  }

  .project-num {
    font-size: 1.5rem;
  }

  .project-arrow {
    display: none;
  }

  .education-panel,
  .lead-card,
  .policy-card {
    padding: 1.6rem;
  }

  .cta-meta {
    flex-direction: column;
    gap: 1.2rem;
  }

  .cookie-banner {
    left: 1rem;
    right: 1rem;
    width: auto;
    bottom: 1rem;
  }

  .footer {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 3rem 0 2rem;
  }

  .footer-brand {
    justify-content: center;
  }

  .footer-tagline {
    grid-column: 1;
    text-align: center;
  }

  .footer-links {
    grid-column: 1;
    justify-content: center;
  }

  .back-to-top {
    bottom: calc(1.5rem + 76px);
    width: 46px;
    height: 46px;
  }
}