/* ==========================================================================
   PEBMedia — Design tokens
   Paleta: teplá offwhite plocha, tmavě inkoustový text, jeden hlubě tealový akcent.
   Display: Space Grotesk / Body: Inter / Mono (labely, čísla): IBM Plex Mono
   Signaturní prvek: rohové "technické" závorky kolem obrázků (odkaz na CAD/technické výkresy)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --bg: #F6F6F3;
  --surface: #FFFFFF;
  --ink: #14181B;
  --ink-soft: #565F66;
  --ink-faint: #8A9096;
  --border: #E3E3DE;
  --accent: #0B6E63;
  --accent-ink: #063E38;
  --accent-tint: #E6EFEC;
  --danger: #B23B3B;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --container: 1200px;
  --radius-s: 6px;
  --radius-m: 12px;
  --shadow-s: 0 1px 2px rgba(20, 24, 27, 0.04), 0 1px 1px rgba(20, 24, 27, 0.03);
  --shadow-m: 0 12px 32px rgba(20, 24, 27, 0.08);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
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; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 112px 0;
  border-bottom: 1px solid var(--border);
}
.section:last-of-type { border-bottom: none; }

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  margin-top: 16px;
}
.section-head p {
  color: var(--ink-soft);
  font-size: 17px;
  margin-top: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-s);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-ink); }
.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}
.btn-secondary:hover { border-color: var(--ink); }
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover { background: var(--accent-ink); }
.btn:active { transform: scale(0.98); }
.btn-small { padding: 8px 16px; font-size: 12.5px; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------- Header --------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 246, 243, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-s);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-mark {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: inline-flex;
}
.logo-mark svg { width: 100%; height: 100%; display: block; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.main-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
  position: relative;
}
.main-nav a:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.header-actions .btn { padding: 11px 20px; font-size: 13.5px; }

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: var(--surface);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.hamburger span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 76px 0 0 0;
  background: var(--bg);
  z-index: 99;
  padding: 24px 32px;
  overflow-y: auto;
}
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav .btn { margin-top: 24px; width: 100%; }

/* ---------------------------------- Hero ----------------------------------- */
.hero {
  padding: 96px 0 110px;
  overflow: hidden;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero-headline {
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.06;
  white-space: pre-line;
  margin-top: 20px;
}
.hero-text {
  margin-top: 24px;
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 480px;
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-actions .btn { padding: 15px 28px; font-size: 15px; }

.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  background:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px),
    var(--surface);
  background-size: 32px 32px, 32px 32px, 100%;
  overflow: hidden;
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(11, 110, 99, 0.14), transparent 55%);
}
.hero-frames {
  position: absolute;
  inset: 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 12px;
}
.hero-frame {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-s);
  position: relative;
}
.hero-frame-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-frame-icon svg {
  width: 34%;
  height: 34%;
  color: var(--accent);
  opacity: 0.4;
}
.hero-frame::after {
  content: attr(data-tag);
  position: absolute;
  bottom: 8px;
  left: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.hero-frame:nth-child(1) { transform: translateY(-6px); }
.hero-frame:nth-child(4) { transform: translateY(6px); }

/* ---------------------------------- Intro ----------------------------------- */
.intro {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.intro-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.intro-lead {
  font-family: var(--font-display);
  font-size: 20px;
  max-width: 320px;
}
.intro-benefits {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.intro-benefits li {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}
.intro-benefits li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---------------------------------- Services --------------------------------- */
.services-list {
  display: grid;
  border-top: 1px solid var(--border);
}
.service-row {
  display: grid;
  grid-template-columns: 90px 1.1fr 1.4fr auto;
  align-items: center;
  gap: 32px;
  padding: 34px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s var(--ease);
}
.service-row:hover { background: var(--surface); }
.service-number {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
}
.service-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}
.service-text {
  color: var(--ink-soft);
  font-size: 15.5px;
}
.service-arrow {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
  flex-shrink: 0;
}
.service-row:hover .service-arrow {
  transform: rotate(45deg);
  background: var(--ink);
  border-color: var(--ink);
}
.service-row:hover .service-arrow svg { stroke: #fff; }
.service-arrow svg { width: 16px; height: 16px; stroke: var(--ink); transition: stroke 0.3s var(--ease); }

/* ---------------------------------- Service categories --------------------------------- */
.service-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.service-category-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}
.service-category-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  margin-top: 10px;
}
.service-category-text {
  color: var(--ink-soft);
  font-size: 14.5px;
  margin-top: 10px;
  max-width: 46ch;
}
.service-category-items {
  margin-top: 22px;
  border-top: 1px solid var(--border);
}
.service-item-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.service-item-name {
  font-size: 14.5px;
  font-weight: 500;
}
.service-item-price {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-ink);
  white-space: nowrap;
}
.service-category-note {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--ink-faint);
  line-height: 1.6;
}
.price-note {
  margin-top: 28px;
  font-size: 13px;
  color: var(--ink-faint);
  text-align: center;
}

/* ---------------------------------- Packages (Balíčky) --------------------------------- */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  align-items: stretch;
}
.package-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.package-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-m);
}
.package-card.is-highlight {
  border-color: var(--accent);
  box-shadow: var(--shadow-m);
}
.package-badge {
  position: absolute;
  top: -12px;
  left: 22px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 100px;
}
.package-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
}
.package-price {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  margin-top: 10px;
}
.package-description {
  color: var(--ink-soft);
  font-size: 13px;
  margin-top: 8px;
  min-height: 34px;
}
.package-features {
  list-style: none;
  margin: 18px 0 24px;
  padding: 18px 0 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.package-features li {
  font-size: 13px;
  color: var(--ink);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.package-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.package-cta { width: 100%; text-align: center; margin-top: auto; }

@media (max-width: 1180px) {
  .packages-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 980px) {
  .service-categories { grid-template-columns: 1fr; }
  .packages-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .packages-grid { grid-template-columns: 1fr; }
  .service-category { padding: 24px; }
}

/* ---------------------------------- Portfolio --------------------------------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.portfolio-card {
  position: relative;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
}
.portfolio-card:hover { box-shadow: var(--shadow-m); transform: translateY(-4px); }
.portfolio-card.is-featured { grid-column: span 2; }
.portfolio-media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--accent-tint);
}
.portfolio-card.is-featured .portfolio-media { aspect-ratio: 21/9; }
.portfolio-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s var(--ease);
}
.portfolio-card:hover .portfolio-media img { transform: scale(1.04); }

/* corner-bracket "technical drawing" frame — signature element */
.portfolio-media::before,
.portfolio-media::after,
.corner-tl, .corner-br {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border-color: rgba(255,255,255,0.9);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}
.portfolio-media::before { top: 12px; left: 12px; border-top: 2px solid; border-left: 2px solid; }
.portfolio-media::after { bottom: 12px; right: 12px; border-bottom: 2px solid; border-right: 2px solid; }
.portfolio-card:hover .portfolio-media::before,
.portfolio-card:hover .portfolio-media::after { opacity: 1; }

.portfolio-body {
  padding: 22px 24px 26px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.portfolio-title { font-family: var(--font-display); font-size: 19px; font-weight: 600; }
.portfolio-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-top: 6px;
}
.portfolio-text { color: var(--ink-soft); font-size: 14.5px; margin-top: 10px; max-width: 46ch; }
.portfolio-link { margin-top: 14px; }
.portfolio-year { font-family: var(--font-mono); font-size: 13px; color: var(--ink-faint); flex-shrink: 0; }

/* ---------------------------------- References --------------------------------- */
.references-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.reference-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.stars { display: flex; gap: 3px; }
.stars svg { width: 15px; height: 15px; fill: var(--accent); }
.reference-text { font-size: 15.5px; line-height: 1.65; color: var(--ink); }
.reference-company { font-family: var(--font-display); font-weight: 600; font-size: 15px; color: var(--ink); margin-top: auto; }

.testimonials-marquee {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 44px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 760px) {
  .testimonials-marquee { grid-template-columns: 1fr; max-width: 480px; }
}

/* ---------------------------------- Schools --------------------------------- */
.schools-stat {
  margin-top: 40px;
}
.schools-stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4vw, 48px);
  color: var(--accent);
  letter-spacing: -0.01em;
}
.schools-stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-top: 6px;
}
.schools-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 48px;
}
.school-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
}
.school-logo img {
  max-height: 100%;
  max-width: 160px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter 0.25s var(--ease), opacity 0.25s var(--ease);
}
.school-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ---------------------------------- About --------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.about-photo {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius-m);
  background: var(--accent-tint);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo-logo {
  width: 34%;
  max-width: 150px;
  aspect-ratio: 1/1;
  display: inline-flex;
  opacity: 0.9;
}
.about-photo-logo svg { width: 100%; height: 100%; display: block; }
.about-text { font-size: 17px; color: var(--ink-soft); line-height: 1.75; }
.about-text h2 { color: var(--ink); font-size: clamp(26px, 3vw, 34px); margin-bottom: 20px; }

/* ---------------------------------- Process --------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.process-step {
  padding: 32px 28px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.process-number { font-family: var(--font-mono); color: var(--accent); font-size: 13px; }
.process-title { font-family: var(--font-display); font-size: 17.5px; font-weight: 600; margin-top: 14px; }
.process-text { font-size: 14px; color: var(--ink-soft); margin-top: 10px; }

/* ---------------------------------- FAQ --------------------------------- */
.faq-list { max-width: 780px; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.faq-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border);
  flex-shrink: 0;
  position: relative;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--ink);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::before { width: 8px; height: 1.5px; }
.faq-icon::after { width: 1.5px; height: 8px; transition: opacity 0.25s var(--ease); }
.faq-item.is-open .faq-icon::after { opacity: 0; }
.faq-item.is-open .faq-icon { background: var(--ink); border-color: var(--ink); }
.faq-item.is-open .faq-icon::before, .faq-item.is-open .faq-icon::after { background: #fff; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.faq-answer-inner {
  padding-bottom: 24px;
  color: var(--ink-soft);
  font-size: 15.5px;
  max-width: 62ch;
  line-height: 1.7;
}

/* ---------------------------------- CTA --------------------------------- */
.cta-section {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-m);
  margin: 0 32px;
  padding: 80px 56px;
  max-width: calc(var(--container) - 64px);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(11,110,99,0.35), transparent 55%);
}
.cta-section h2 {
  font-size: clamp(28px, 4vw, 42px);
  white-space: pre-line;
  position: relative;
}
.cta-section p {
  color: rgba(255,255,255,0.68);
  font-size: 17px;
  margin: 20px auto 0;
  max-width: 480px;
  position: relative;
}
.cta-section .btn { margin-top: 32px; position: relative; }
.cta-section .btn-accent:hover { background: #0d8577; }

/* ---------------------------------- Contact --------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
}
.contact-info h2 { font-size: clamp(26px, 3vw, 34px); }
.contact-info p { color: var(--ink-soft); margin-top: 16px; font-size: 16px; max-width: 380px; }
.contact-details { margin-top: 36px; display: flex; flex-direction: column; gap: 18px; }
.contact-detail-label { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); }
.contact-detail-value { font-size: 16px; font-weight: 500; margin-top: 4px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.form-field input, .form-field select, .form-field textarea {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-s);
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.2s var(--ease);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--accent);
  outline: none;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.contact-form .btn { margin-top: 6px; }
.form-note { font-size: 13px; color: var(--ink-faint); margin-top: 14px; }
.hp-field { display: none; }
.form-success {
  display: none;
  padding: 18px 20px;
  background: var(--accent-tint);
  border: 1px solid var(--accent);
  border-radius: var(--radius-s);
  color: var(--accent-ink);
  font-size: 14.5px;
  font-weight: 500;
}
.form-success.is-visible { display: block; }
.form-error {
  display: none;
  padding: 18px 20px;
  background: #FBEAEA;
  border: 1px solid var(--danger);
  border-radius: var(--radius-s);
  color: var(--danger);
  font-size: 14.5px;
  font-weight: 500;
}
.form-error.is-visible { display: block; }

/* ---------------------------------- Footer --------------------------------- */
.site-footer {
  padding: 64px 0 32px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { color: var(--ink-soft); font-size: 14.5px; max-width: 280px; }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col-title { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: 14.5px; color: var(--ink-soft); padding: 5px 0; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom span, .footer-bottom a { font-size: 13px; color: var(--ink-faint); }
.footer-bottom a:hover { color: var(--ink-soft); }
.footer-social { display: flex; gap: 16px; }

/* ---------------------------------- Help widget (FAQ asistent) --------------------------------- */
.help-widget { position: fixed; right: 24px; bottom: 24px; z-index: 80; }

.help-widget-toggle {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); border: none; box-shadow: var(--shadow-m);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.25s var(--ease);
}
.help-widget-toggle:hover { transform: scale(1.06); }
.help-widget-toggle svg { width: 24px; height: 24px; }
.help-widget-toggle .icon-close { display: none; }
.help-widget.is-open .help-widget-toggle .icon-chat { display: none; }
.help-widget.is-open .help-widget-toggle .icon-close { display: block; }

.help-widget-panel {
  position: absolute; right: 0; bottom: 72px;
  width: 340px; max-width: calc(100vw - 48px);
  max-height: min(480px, 70vh);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m);
  box-shadow: var(--shadow-m);
  display: flex; flex-direction: column; overflow: hidden;
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.help-widget.is-open .help-widget-panel { opacity: 1; visibility: visible; transform: translateY(0); }

.help-widget-header { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.help-widget-header .logo-mark { width: 28px; height: 28px; }
.help-widget-header-text { flex: 1; }
.help-widget-header-title { font-family: var(--font-display); font-weight: 600; font-size: 14px; }
.help-widget-header-sub { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-faint); margin-top: 2px; }

.help-widget-messages { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.help-msg { max-width: 88%; padding: 10px 14px; border-radius: var(--radius-m); font-size: 14px; line-height: 1.5; }
.help-msg-bot { align-self: flex-start; background: var(--accent-tint); color: var(--accent-ink); border-bottom-left-radius: 4px; }
.help-msg-user { align-self: flex-end; background: var(--ink); color: var(--surface); border-bottom-right-radius: 4px; }

.help-widget-questions { display: flex; flex-direction: column; gap: 6px; padding: 12px 18px 14px; border-top: 1px solid var(--border); flex-shrink: 0; max-height: 160px; overflow-y: auto; }
.help-widget-question-btn { text-align: left; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-s); padding: 8px 12px; font-size: 13px; color: var(--ink-soft); transition: border-color 0.2s var(--ease), color 0.2s var(--ease); }
.help-widget-question-btn:hover { border-color: var(--accent); color: var(--ink); }

.help-widget-footer { padding: 12px 18px 16px; border-top: 1px solid var(--border); flex-shrink: 0; }
.help-widget-footer a { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }

/* ---------------------------------- Responsive --------------------------------- */
@media (max-width: 980px) {
  .main-nav, .header-actions .btn-secondary { display: none; }
  .hamburger { display: flex; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 420px; margin: 0 auto; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-card.is-featured { grid-column: span 1; }
  .references-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .service-row { grid-template-columns: 50px 1fr auto; }
  .service-text { display: none; }
  .cta-section { margin: 0 20px; padding: 56px 28px; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section { padding: 72px 0; }
  .header-inner { height: 68px; }
  .header-actions .btn-primary { display: none; }
  .header-actions { gap: 10px; }
  .mobile-nav { inset: 68px 0 0 0; }
  .process-grid { grid-template-columns: 1fr; }
  .intro-inner { flex-direction: column; align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; }
  .help-widget { right: 16px; bottom: 16px; }
  .help-widget-panel { width: calc(100vw - 32px); bottom: 68px; }
}