/* ==========================================================================
   bokaWorks — homepage styles
   ========================================================================== */

:root {
  --bg: #f5f4ef;
  --bg-muted: #eeece4;
  --ink: #141414;
  --ink-soft: #55544d;
  --line: #dedad0;
  --card-bg: #ffffff;
  --card-bg-hover: #fbfaf5;
  --accent: #cdec4a;
  --accent-ink: #1c2400;
  --accent-dark: #b6d43a;
  --radius: 18px;
  --radius-sm: 10px;
  --container: 1200px;
  --shadow-card: 0 1px 2px rgba(20, 20, 20, 0.04);
  --shadow-card-hover: 0 18px 34px -18px rgba(20, 20, 20, 0.28);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

button {
  font: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 200;
}
.skip-link:focus {
  left: 24px;
  top: 12px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.35s var(--ease), background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.btn-dark {
  background: var(--ink);
  color: #fff;
}
.btn-dark:hover {
  background: #262620;
  transform: translateY(-2px);
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-text {
  padding: 14px 4px;
  color: var(--ink);
  gap: 8px;
}
.btn-text .icon-arrow {
  transition: transform 0.25s var(--ease);
}
.btn-text:hover .icon-arrow {
  transform: translateX(4px);
}

.btn-text--light {
  color: #fff;
}

.btn-header {
  padding: 12px 20px;
  font-size: 0.9rem;
}

.icon-arrow {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.icon-arrow--down {
  transition: transform 0.25s var(--ease);
}
.btn:hover .icon-arrow--down {
  transform: translateY(2px);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 244, 239, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 20px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.logo span {
  font-weight: 500;
  color: var(--ink-soft);
}

.main-nav {
  display: flex;
  gap: 32px;
  font-size: 0.95rem;
  font-weight: 500;
  margin-inline: auto;
}
.main-nav a {
  position: relative;
  padding-block: 4px;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--ink);
  transition: width 0.25s var(--ease);
}
.main-nav a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  margin-inline: 9px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  padding-block: 56px 88px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin-top: 22px;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin-top: 32px;
}

.hero-tagline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.tagline-dash {
  width: 26px;
  height: 1px;
  background: var(--ink-soft);
}

.hero-visual {
  position: relative;
  min-height: 320px;
}
.hero-diagram {
  width: 100%;
  height: auto;
  overflow: visible;
}
.hero-diagram .branch {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.4;
}
.hero-diagram .node-root {
  fill: var(--bg);
  stroke: var(--accent-dark);
  stroke-width: 2;
}
.hero-diagram .node {
  fill: var(--accent-dark);
}

.hero-diagram-labels {
  position: absolute;
  inset: 0;
}
.diagram-label {
  position: absolute;
  left: 64%;
  max-width: 250px;
  transform: translateY(-11px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.diagram-heading {
  font-size: 0.95rem;
  color: var(--ink);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.diagram-heading strong {
  font-weight: 700;
  letter-spacing: 0.02em;
}
.diagram-solution {
  display: inline-block;
  align-self: flex-start;
  font-style: normal;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 3px 9px;
  border-radius: 999px;
  line-height: 1.35;
  white-space: normal;
}
.diagram-desc {
  font-style: italic;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* ---------- Sections (shared) ---------- */

.section {
  padding-block: 88px;
}
.section--muted {
  background: var(--bg-muted);
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 48px;
}

.section-head-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-dark);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.accent-text {
  color: var(--accent-dark);
}

.section-note {
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 42ch;
  justify-self: end;
  text-align: left;
}

/* ---------- Cards (shared base for service + project cards) ---------- */

.card {
  position: relative;
  display: block;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background-color 0.4s var(--ease);
  will-change: transform;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.card-arrow-corner {
  position: absolute;
  top: 26px;
  right: 26px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: var(--bg);
  opacity: 0;
  transform: translate(-4px, 4px) scale(0.85);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), background-color 0.3s var(--ease);
}
.card-arrow-corner svg {
  width: 16px;
  height: 16px;
}
.card:hover .card-arrow-corner {
  opacity: 1;
  transform: translate(0, 0) scale(1);
  background: var(--accent);
}

/* ---------- Service cards ---------- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 36px 32px 32px;
  background-color: var(--card-bg);
}
.service-card:hover {
  background-color: var(--card-bg-hover);
}

.card-number {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 18px;
}

.card-icon {
  display: inline-flex;
  width: 44px;
  height: 44px;
  color: var(--ink);
  margin-bottom: 22px;
  transition: transform 0.4s var(--ease);
}
.card:hover .card-icon {
  transform: translate(2px, -3px) rotate(-4deg);
}

.card-title {
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.card-subtitle {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
}
.subtitle-arrow {
  color: var(--accent-dark);
  font-weight: 700;
}

.card-desc {
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 22px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}
.tag {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-soft);
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}
.card:hover .tag {
  background: #fff;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.94rem;
}
.card-link .icon-arrow {
  transition: transform 0.3s var(--ease);
}
.card:hover .card-link .icon-arrow {
  transform: translateX(4px);
}

/* ---------- Kontakt / Contact form ---------- */

.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.contact-note {
  margin-top: 20px;
  justify-self: start;
  text-align: left;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 36px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}

.label-optional {
  font-weight: 400;
  color: var(--ink-soft);
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row textarea {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.form-row input[type="text"]:focus,
.form-row input[type="email"]:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent-dark);
  background: #fff;
}

.form-row input.invalid,
.form-row textarea.invalid {
  border-color: #b3261e;
  background: #fdf3f2;
}

.consent-label.invalid {
  color: #b3261e;
}
.consent-label.invalid input {
  outline: 2px solid #b3261e;
  outline-offset: 2px;
}

.form-row textarea {
  resize: vertical;
  min-height: 96px;
  font-family: inherit;
}

.form-row--consent {
  flex-direction: row;
}

.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--ink-soft);
  cursor: pointer;
}
.consent-label input {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  accent-color: var(--accent-dark);
}

.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-row--submit {
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 4px;
}

.form-status {
  font-size: 0.88rem;
  font-weight: 600;
}
.form-status[data-state="ok"] {
  color: #3a6b1f;
}
.form-status[data-state="error"] {
  color: #b3261e;
}

/* ---------- Footer ---------- */

.site-footer {
  padding-top: 48px;
  background: var(--bg-muted);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-block: 48px 40px;
}

.footer-brand p {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

.logo--footer {
  font-size: 1.1rem;
}

.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.92rem;
}
.footer-col a,
.footer-col span {
  color: var(--ink);
  width: fit-content;
}
.footer-col a {
  position: relative;
}
.footer-col a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 0.25s var(--ease);
}
.footer-col a:hover::after {
  width: 100%;
}
.footer-address {
  color: var(--ink-soft);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-block: 22px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- Cookie banner ---------- */

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: 20px 24px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner p {
  margin: 0;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 64ch;
  line-height: 1.55;
}
.cookie-banner a {
  color: #fff;
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  flex: none;
}
.cookie-actions .btn {
  padding: 12px 22px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    display: none;
  }
  .section-head-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .section-note {
    justify-self: start;
    max-width: none;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle {
    display: flex;
  }
  .btn-header {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition-duration: 0.001ms !important;
  }
}