/* Rud Devs — design system
   Tokens first. Bootstrap is used for grid + forms; visual language is ours. */

:root {
  --bg: #08090c;
  --bg-elevated: #101218;
  --bg-subtle: #171a21;
  --paper: #f2efe8;
  --paper-2: #e6e2d8;
  --ink: #14161c;
  --fg: #f3f4f6;
  --fg-muted: #9aa1ad;
  --fg-subtle: #6e7580;
  --accent: #4c8dff;
  --accent-soft: #8eb6ff;
  --accent-ink: #071225;
  --wa: #25d366;
  --wa-ink: #04210c;
  --line: rgba(243, 244, 246, 0.1);
  --line-strong: rgba(243, 244, 246, 0.16);
  --line-ink: rgba(20, 22, 28, 0.1);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-dark: 0 0 0 1px rgba(255, 255, 255, 0.08);
  --shadow-paper:
    0 0 0 1px rgba(20, 22, 28, 0.06),
    0 1px 2px -1px rgba(20, 22, 28, 0.06),
    0 8px 24px -12px rgba(20, 22, 28, 0.12);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-quick: 150ms;
  --motion-fast: 250ms;
  --max: 1180px;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  overflow-x: hidden;
}

#site {
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
}

#site address {
  font-style: inherit;
  margin: 0;
}

#site img {
  max-width: 100%;
  height: auto;
  outline: 1px solid rgba(255, 255, 255, 0.08);
  outline-offset: -1px;
}

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

#site p {
  text-wrap: pretty;
  color: var(--fg-muted);
}

#site h1,
#site h2,
#site h3,
#site h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
  text-wrap: balance;
  color: var(--fg);
  margin: 0;
}

/* Bootstrap grid: win the Tailwind conflict */
#site .container {
  width: 100% !important;
  max-width: var(--max) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 1.25rem !important;
  padding-right: 1.25rem !important;
}

@media (min-width: 768px) {
  #site .container {
    padding-left: 1.75rem !important;
    padding-right: 1.75rem !important;
  }
}

#site .row {
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 1.5rem;
}

/* ---------- Logo ---------- */
.zk-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  flex-shrink: 0;
}

.zk-logo svg {
  display: block;
  width: 36px;
  height: 36px;
}

.zk-wordmark {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 0.92;
}

.zk-wordmark b,
.zk-wordmark em {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.zk-wordmark b {
  font-size: 0.78rem;
}

.zk-wordmark em {
  font-size: 0.62rem;
  color: var(--accent-soft);
  letter-spacing: 0.2em;
}

.zk-logomarca {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 32px 0 0;
}

.zk-logomarca svg {
  width: 64px;
  height: 64px;
}

.zk-logomarca strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.16em;
  color: var(--fg);
}

.zk-logomarca span {
  display: block;
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.zk-nav-inner > nav {
  margin-left: auto;
  padding-left: 28px;
  padding-right: 8px;
}

/* ---------- Buttons ---------- */
.zk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px 0 22px;
  border: 0;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  text-decoration: none !important;
  cursor: pointer;
  transition:
    transform var(--motion-quick) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out),
    color var(--motion-fast) var(--ease-out),
    box-shadow var(--motion-fast) var(--ease-out);
}

.zk-btn:focus-visible,
.zk-filter:focus-visible,
.zk-faq-q:focus-visible,
.zk-icon-btn:focus-visible,
.zk-menu:focus-visible,
#site a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.zk-btn:active {
  transform: scale(0.96);
}

.zk-btn-primary {
  background: var(--fg);
  color: var(--ink);
}

.zk-btn-primary:hover {
  background: #ffffff;
  color: var(--ink);
}

.zk-btn-wa {
  background: var(--wa);
  color: var(--wa-ink);
}

.zk-btn-wa:hover {
  background: #3ee87a;
  color: var(--wa-ink);
}

.zk-btn-ghost {
  background: transparent;
  color: var(--fg);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.zk-btn-ghost:hover {
  background: rgba(243, 244, 246, 0.04);
}

.zk-btn-ink {
  background: var(--ink);
  color: var(--paper);
}

.zk-btn-ink:hover {
  background: #000;
  color: var(--paper);
}

.zk-btn-ghost-ink {
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line-ink);
}

.zk-btn-ghost-ink:hover {
  background: rgba(20, 22, 28, 0.04);
  color: var(--ink);
}

/* ---------- Nav ---------- */
.zk-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 72px;
  display: flex;
  align-items: center;
  transition:
    background-color var(--motion-fast) var(--ease-out),
    box-shadow var(--motion-fast) var(--ease-out),
    backdrop-filter var(--motion-fast) var(--ease-out);
}

.zk-nav.is-solid {
  background: rgba(8, 9, 12, 0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--line);
}

.zk-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 72px;
}

.zk-nav-links {
  display: none;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.zk-nav-links a {
  font-size: 0.9rem;
  color: var(--fg-muted);
  transition: color var(--motion-quick) var(--ease-out);
}

.zk-nav-links a:hover {
  color: var(--fg);
}

.zk-nav-cta {
  display: none;
}

.zk-menu {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--fg);
  padding: 0;
}

.zk-menu svg {
  display: block;
}

.zk-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  padding: 24px 24px 40px;
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--motion-fast) var(--ease-out),
    opacity var(--motion-quick) var(--ease-out);
}

.zk-drawer.is-open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.zk-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.zk-drawer nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.zk-drawer nav a {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 7vw, 2.4rem);
  letter-spacing: -0.03em;
  padding: 8px 0;
  color: var(--fg);
}

.zk-drawer-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 992px) {
  .zk-menu {
    display: none;
  }
  .zk-nav-links {
    display: flex;
  }
  .zk-nav-cta {
    display: inline-flex;
  }
}

/* ---------- Hero ---------- */
.zk-hero {
  position: relative;
  padding: 120px 0 72px;
  overflow: hidden;
}

.zk-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 80% 0%, rgba(76, 141, 255, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(8, 9, 12, 0.2), var(--bg));
  pointer-events: none;
}

.zk-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 22px;
}

.zk-kicker i {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--accent);
  display: inline-block;
}

.zk-hero h1 {
  font-size: clamp(2.6rem, 7.4vw, 6.15rem);
  font-weight: 500;
  max-width: 14ch;
  margin-bottom: 22px;
}

.zk-hero h1 em {
  font-style: normal;
  color: var(--accent-soft);
}

.zk-lead {
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
  line-height: 1.55;
  max-width: 46ch;
  margin-bottom: 32px;
}

.zk-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 0;
}

.zk-hero-visual {
  position: relative;
  margin-top: 48px;
}

.zk-product {
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-dark), 0 32px 80px -32px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  border: 1px solid var(--line);
}

.zk-product-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: #0c0e13;
}

.zk-product-bar i {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: #3a3f4a;
}

.zk-product-bar i:nth-child(1) { background: #ff5f57; }
.zk-product-bar i:nth-child(2) { background: #febc2e; }
.zk-product-bar i:nth-child(3) { background: #28c840; }

.zk-product-bar span {
  margin-left: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

.zk-product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}

.zk-product-grid article {
  background: var(--bg-elevated);
  padding: 18px 18px 16px;
}

.zk-product-grid small {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 8px;
}

.zk-product-grid b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1;
}

.zk-product-grid em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 0.78rem;
  color: #b4bbc6;
}

.zk-product-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 120px;
  padding: 18px 18px 8px;
}

.zk-product-chart span {
  flex: 1;
  border-radius: 6px 6px 2px 2px;
  background: rgba(76, 141, 255, 0.22);
}

.zk-product-chart span.is-now {
  background: var(--accent);
}

.zk-product-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px 16px;
  color: var(--fg-muted);
  font-size: 0.8rem;
}

.zk-product-foot strong {
  color: var(--fg);
  font-weight: 500;
}

@media (min-width: 992px) {
  .zk-hero {
    padding: 148px 0 88px;
  }
  .zk-hero-visual {
    margin-top: 0;
  }
}

/* ---------- Marquee ---------- */
.zk-marquee {
  border-block: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-elevated);
}

.zk-marquee-track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: zk-marquee 36s linear infinite;
}

.zk-marquee span {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 14px 28px 14px 0;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  white-space: nowrap;
}

.zk-marquee span::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 99px;
  background: var(--accent);
  opacity: 0.7;
}

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

/* ---------- Sections ---------- */
.zk-section {
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.zk-section-paper {
  background: var(--paper);
  color: var(--ink);
}

.zk-section-paper h2,
.zk-section-paper h3,
.zk-section-paper .zk-logo {
  color: var(--ink);
}

.zk-section-paper p,
.zk-section-paper .zk-kicker {
  color: #5c6370;
}

.zk-section-paper .zk-kicker i {
  background: var(--ink);
}

.zk-section-elevated {
  background: var(--bg-elevated);
}

.zk-globe-frame {
  margin-top: 28px;
  max-width: 440px;
  margin-inline: auto;
  padding: 8px 8px 0;
  border-radius: var(--radius-xl);
  background: #1a1f2a;
  box-shadow: var(--shadow-dark);
}

.zk-globe-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
}

.zk-globe {
  display: block;
  width: 100%;
  height: 100%;
}

.zk-globe-cap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 4px 8px 16px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.zk-globe-cap i {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--accent);
}

.zk-label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 500;
}

.zk-section-paper .zk-label {
  color: #6a7180;
}

.zk-title {
  font-size: clamp(2rem, 4.6vw, 3.35rem);
  max-width: 16ch;
  margin: 10px 0 16px;
}

.zk-title-wide {
  max-width: 22ch;
}

.zk-founder {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 8px 8px 0;
  border-radius: var(--radius-xl);
  background: #1a1f2a;
  box-shadow: var(--shadow-dark);
}

.zk-founder img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: 35% 20%;
  border-radius: var(--radius-lg);
  outline: none;
}

.zk-founder figcaption {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 44px;
  padding: 4px 8px 16px;
}

.zk-founder strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
}

.zk-founder span {
  display: block;
  margin-top: 2px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

.zk-duo {
  display: grid;
  gap: 1.5rem;
  margin-top: 40px;
}

@media (min-width: 768px) {
  .zk-duo {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}

.zk-duo .zk-globe-frame {
  margin: 0;
  max-width: none;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.zk-duo .zk-globe-wrap {
  flex: 1;
  min-height: 220px;
}

/* ---------- Manifesto ---------- */
.zk-split-copy {
  font-size: 1.12rem;
  line-height: 1.6;
  max-width: 42ch;
}

.zk-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.zk-facts li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.zk-section-paper .zk-facts li {
  border-top-color: var(--line-ink);
}

.zk-facts b {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--accent-soft);
}

.zk-section-paper .zk-facts b {
  color: #1f4fbf;
}

.zk-facts span {
  color: var(--fg-muted);
}

.zk-section-paper .zk-facts span {
  color: #4e5563;
}

/* ---------- Services ---------- */
.zk-service {
  display: grid;
  gap: 12px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: opacity var(--motion-fast) var(--ease-out);
}

.zk-service:last-child {
  border-bottom: 1px solid var(--line);
}

.zk-service:hover .zk-service-name {
  color: var(--accent-soft);
}

.zk-service-idx {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--fg-subtle);
}

.zk-service-name {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  letter-spacing: -0.03em;
  transition: color var(--motion-fast) var(--ease-out);
}

.zk-service p {
  max-width: 52ch;
  margin: 0;
}

.zk-service-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.zk-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--fg-muted);
  box-shadow: inset 0 0 0 1px var(--line);
}

@media (min-width: 768px) {
  .zk-service {
    grid-template-columns: 72px 1fr auto;
    align-items: end;
    gap: 24px;
  }
  .zk-service p {
    grid-column: 2;
  }
  .zk-service-meta {
    grid-column: 3;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
  }
}

/* ---------- Portfolio ---------- */
.zk-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 32px;
}

.zk-filter {
  min-height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--fg-muted);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 0.88rem;
  font-family: var(--font-body);
}

.zk-filter.is-active,
.zk-filter:hover {
  background: var(--fg);
  color: var(--ink);
  box-shadow: none;
}

.zk-work {
  margin-bottom: 1.5rem;
}

.zk-work.is-hidden {
  display: none;
}

.zk-work-card {
  display: block;
  height: 100%;
  background: var(--bg-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-dark);
  cursor: pointer;
  transition: transform var(--motion-fast) var(--ease-out);
}

.zk-work-card:hover {
  transform: translateY(-3px);
}

.zk-work-card:active {
  transform: scale(0.99);
}

.zk-work-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0c0e13;
}

.zk-work-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  outline: none;
  transition: transform 500ms var(--ease-out);
}

.zk-work-card:hover .zk-work-media img {
  transform: scale(1.04);
}

.zk-work-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(8, 9, 12, 0.78);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.zk-work-body {
  padding: 20px 20px 22px;
}

.zk-work-body h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.zk-work-body p {
  margin: 0 0 14px;
  font-size: 0.92rem;
}

.zk-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.88rem;
}

.zk-stat strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--accent-soft);
}

.zk-work--featured .zk-work-media {
  aspect-ratio: 16 / 9;
}

@media (min-width: 992px) {
  .zk-work--featured .zk-work-body h3 {
    font-size: 1.8rem;
  }
}

.zk-case {
  display: grid;
  gap: 28px;
  margin-top: 28px;
  align-items: center;
}

@media (min-width: 992px) {
  .zk-case {
    grid-template-columns: 1.35fr 0.9fr;
    gap: 40px;
  }
}

.zk-case .zk-browser img {
  aspect-ratio: 16 / 9;
}

.zk-case-body .zk-work-tag {
  display: inline-flex;
}

.zk-case-body h3 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin: 12px 0 10px;
}

.zk-case-body .zk-btn {
  margin-top: 22px;
}

/* ---------- Browser chrome mock ---------- */
.zk-browser {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elevated);
  box-shadow: var(--shadow-dark);
}

.zk-browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  background: #0c0f16;
  border-bottom: 1px solid var(--line);
}

.zk-browser-bar i {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: #2a2f3a;
}

.zk-browser-bar i:nth-child(1) {
  background: #3a3f4a;
}

.zk-browser-url {
  margin-left: 8px;
  flex: 1;
  height: 20px;
  border-radius: 6px;
  background: #161b24;
  color: var(--fg-subtle);
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  padding: 0 8px;
}

.zk-browser img {
  width: 100%;
  display: block;
  outline: none;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* ---------- Stack ---------- */
.zk-tech {
  display: grid;
  gap: 16px;
}

.zk-tech-item {
  padding: 24px 24px 26px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  box-shadow: var(--shadow-dark);
  height: 100%;
}

.zk-tech-item b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 8px 0 8px;
}

.zk-tech-item p {
  margin: 0;
  font-size: 0.95rem;
}

.zk-tech-item em {
  font-style: normal;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

/* ---------- Process ---------- */
.zk-step {
  padding: 8px 0 16px;
  height: 100%;
}

.zk-step-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--fg-subtle);
  margin-bottom: 16px;
}

.zk-step h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.zk-step p {
  margin: 0;
  font-size: 0.95rem;
}

.zk-steps-rule {
  height: 1px;
  background: var(--line);
  margin: 8px 0 28px;
}

/* ---------- Testimonials ---------- */
.zk-quote {
  height: 100%;
  padding: 28px 28px 24px;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-paper);
  display: flex;
  flex-direction: column;
}

.zk-quote blockquote {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.zk-quote footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.zk-quote img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 99px;
  outline: 1px solid rgba(20, 22, 28, 0.1);
}

.zk-quote strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
}

.zk-quote span {
  display: block;
  font-size: 0.8rem;
  color: #4e5563;
}

.zk-wa-print {
  background: #0e1a14;
  border-radius: 16px;
  padding: 14px 14px 12px;
  margin-bottom: 22px;
}

.zk-wa-print header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8aa392;
  margin-bottom: 12px;
}

.zk-wa-print p {
  margin: 0;
  background: #005c4b;
  color: #f4fffa;
  padding: 12px 14px;
  border-radius: 10px 10px 4px 10px;
  font-size: 1rem;
  line-height: 1.45;
}

.zk-wa-print time {
  display: block;
  margin-top: 8px;
  font-size: 0.72rem;
  color: #8aa392;
  text-align: right;
}

.zk-section-paper .zk-note a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Plans ---------- */
.zk-plan {
  height: 100%;
  padding: 28px 26px 26px;
  border-radius: var(--radius-xl);
  background: #1a1f2a;
  color: var(--fg);
  box-shadow: var(--shadow-dark);
  display: flex;
  flex-direction: column;
  transition:
    transform 220ms var(--ease-out),
    box-shadow 220ms var(--ease-out),
    background-color 220ms var(--ease-out),
    color 220ms var(--ease-out);
}

.zk-plan h3,
.zk-plan p,
.zk-plan li,
.zk-plan .zk-label,
.zk-plan .zk-plan-price,
.zk-plan .zk-plan-price small {
  transition: color 220ms var(--ease-out), border-color 220ms var(--ease-out);
}

@media (hover: hover) {
  .zk-plan:hover {
    transform: translateY(-8px);
    background: var(--paper);
    color: var(--ink);
    box-shadow:
      0 0 0 1px rgba(20, 22, 28, 0.08),
      0 28px 48px -28px rgba(0, 0, 0, 0.55);
  }

  .zk-plan:hover h3,
  .zk-plan:hover .zk-plan-price,
  .zk-plan:hover li {
    color: var(--ink);
  }

  .zk-plan:hover p,
  .zk-plan:hover .zk-label,
  .zk-plan:hover .zk-plan-price small {
    color: #4e5563;
  }

  .zk-plan:hover li {
    border-top-color: rgba(20, 22, 28, 0.08);
  }

  .zk-plan:hover li::before {
    background: var(--accent);
  }

  .zk-plan.is-featured:hover {
    background: var(--accent);
    color: #fff;
    box-shadow:
      0 0 0 1px rgba(76, 141, 255, 0.4),
      0 28px 48px -24px rgba(76, 141, 255, 0.55);
  }

  .zk-plan.is-featured:hover h3,
  .zk-plan.is-featured:hover .zk-plan-price,
  .zk-plan.is-featured:hover li {
    color: #fff;
  }

  .zk-plan.is-featured:hover p,
  .zk-plan.is-featured:hover .zk-label,
  .zk-plan.is-featured:hover .zk-plan-price small {
    color: rgba(255, 255, 255, 0.78);
  }

  .zk-plan.is-featured:hover li {
    border-top-color: rgba(255, 255, 255, 0.22);
  }

  .zk-plan.is-featured:hover li::before {
    background: #fff;
  }
}

.zk-plan h3,
.zk-plan .zk-plan-price {
  color: var(--fg);
}

.zk-plan.is-promo {
  box-shadow:
    0 0 0 1px rgba(76, 141, 255, 0.45),
    var(--shadow-dark);
}

@media (hover: hover) {
  .zk-plan.is-promo:hover {
    box-shadow:
      0 0 0 1px rgba(20, 22, 28, 0.08),
      0 28px 48px -28px rgba(0, 0, 0, 0.55);
  }
}

.zk-plan.is-promo .zk-label {
  color: var(--accent);
}

.zk-plan.is-featured {
  background: var(--fg);
  color: var(--ink);
}

.zk-plan.is-featured h3,
.zk-plan.is-featured .zk-plan-price,
.zk-plan.is-featured li {
  color: var(--ink);
}

.zk-plan.is-featured p,
.zk-plan.is-featured .zk-label {
  color: #4e5563;
}

.zk-plan h3 {
  font-size: 1.7rem;
  margin: 8px 0 6px;
}

.zk-plan-price {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin: 12px 0 8px;
}

.zk-plan-price small {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-subtle);
  font-family: var(--font-body);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.zk-plan.is-featured .zk-plan-price {
  color: var(--ink);
}

.zk-plan.is-featured .zk-plan-price small {
  color: #5c6370;
}

.zk-plan ul {
  list-style: none;
  margin: 18px 0 24px;
  padding: 0;
  flex: 1;
}

.zk-plan .zk-btn {
  margin-top: auto;
}

.zk-plan li {
  position: relative;
  padding: 8px 0 8px 18px;
  font-size: 0.95rem;
  color: var(--fg-muted);
  border-top: 1px solid var(--line);
}

.zk-plan.is-featured li {
  border-top-color: rgba(20, 22, 28, 0.08);
}

.zk-plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--accent);
}

.zk-plan.is-featured li::before {
  background: var(--ink);
}

/* ---------- FAQ ---------- */
.zk-faq {
  border-top: 1px solid var(--line);
}

.zk-section-paper .zk-faq {
  border-top-color: var(--line-ink);
}

.zk-faq-item {
  border-bottom: 1px solid var(--line);
}

.zk-section-paper .zk-faq-item {
  border-bottom-color: var(--line-ink);
}

.zk-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 16px 0;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: inherit;
}

.zk-faq-q svg {
  flex-shrink: 0;
  transition: transform var(--motion-fast) var(--ease-out);
}

.zk-faq-item.is-open .zk-faq-q svg {
  transform: rotate(45deg);
}

.zk-faq-a {
  display: none;
  padding: 0 0 20px;
  max-width: 62ch;
  color: var(--fg-muted);
}

.zk-section-paper .zk-faq-a {
  color: #4e5563;
}

.zk-faq-item.is-open .zk-faq-a {
  display: block;
}

/* ---------- Contact ---------- */
.zk-form {
  display: grid;
  gap: 12px;
}

.zk-field {
  display: grid;
  gap: 6px;
}

.zk-field span {
  font-size: 0.8rem;
  color: var(--fg-subtle);
}

.zk-section-paper .zk-field span {
  color: #5c6370;
}

#site .form-control,
#site .form-select,
#site textarea.form-control {
  background: #fff;
  border: 0;
  box-shadow: var(--shadow-paper);
  min-height: 48px;
  border-radius: var(--radius-md);
  color: var(--ink);
  font-size: 1rem;
  padding: 10px 14px;
}

#site textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

#site .form-control:focus,
#site .form-select:focus {
  box-shadow:
    0 0 0 1px rgba(20, 22, 28, 0.12),
    0 0 0 4px rgba(76, 141, 255, 0.25);
  background: #fff;
  color: var(--ink);
}

.zk-contact-aside {
  padding: 8px 0 16px;
}

.zk-contact-aside h2 {
  margin-bottom: 14px;
}

.zk-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 8px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--ink);
}

.zk-nap {
  list-style: none;
  margin: 12px 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.zk-nap a {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.4;
}

.zk-nap a span {
  display: block;
  color: #5c6370;
  font-size: 0.85rem;
}

.zk-nap a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.zk-note {
  font-size: 0.92rem;
}

/* ---------- Map ---------- */
.zk-map {
  background: var(--paper);
  padding: 0 0 56px;
}

.zk-map-frame {
  display: grid;
  gap: 12px;
}

.zk-map iframe,
.zk-map-card {
  height: 280px;
  border-radius: var(--radius-lg);
}

.zk-map iframe {
  display: block;
  width: 100%;
  border: 0;
  background: #d6d3cb;
}

.zk-map-card {
  margin: 0;
  background: #fff;
  box-shadow: var(--shadow-paper);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.zk-map-photo {
  display: block;
  flex: 1;
  min-height: 0;
}

.zk-map-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  outline: none;
}

.zk-map-body {
  padding: 12px 14px 14px;
  flex-shrink: 0;
}

.zk-map-body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.zk-map-body p {
  margin: 4px 0 12px;
  color: #5c6370;
  font-size: 0.82rem;
  line-height: 1.35;
}

.zk-map-body p span {
  display: block;
}

.zk-map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.zk-map-actions .zk-btn {
  min-height: 40px;
  padding: 0 14px 0 16px;
  font-size: 0.85rem;
}

@media (min-width: 768px) {
  .zk-map-frame {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Footer ---------- */
.zk-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--line);
}

.zk-footer p {
  margin: 10px 0 0;
  font-size: 0.9rem;
}

.zk-footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--fg-subtle);
}

.zk-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

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

/* ---------- FAB ---------- */
.zk-fab {
  position: fixed;
  right: 18px;
  bottom: 88px;
  z-index: 40;
  width: 56px;
  height: 56px;
  border-radius: 99px;
  background: var(--wa);
  color: var(--wa-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px -8px rgba(37, 211, 102, 0.55);
  transition: transform var(--motion-quick) var(--ease-out);
}

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

.zk-fab:active {
  transform: scale(0.96);
}

.zk-fab svg {
  display: block;
}

/* ---------- Modal preview ---------- */
.zk-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(8, 9, 12, 0.82);
  display: none;
  flex-direction: column;
  padding: 12px;
}

.zk-modal.is-open {
  display: flex;
}

.zk-modal-frame {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
  box-shadow: var(--shadow-dark);
}

.zk-modal-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--line);
}

.zk-modal-bar strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-right: auto;
}

.zk-modal-frame iframe {
  flex: 1;
  width: 100%;
  border: 0;
  background: #fff;
}

.zk-icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--fg);
  border-radius: 99px;
}

.zk-icon-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* ---------- Reveal ---------- */
.zk-reveal {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(4px);
  animation: zk-rise 500ms var(--ease-out) forwards;
}

.zk-reveal:nth-child(2) {
  animation-delay: 80ms;
}
.zk-reveal:nth-child(3) {
  animation-delay: 140ms;
}

@keyframes zk-rise {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.js-ready .zk-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 500ms var(--ease-out),
    transform 500ms var(--ease-out);
}

.js-ready .zk-on-scroll.is-in {
  opacity: 1;
  transform: none;
}

body.is-locked {
  overflow: hidden;
}

@media (max-width: 575.98px) {
  .zk-hero-actions .zk-btn {
    width: 100%;
  }
}