/* ================================================================
   MACROAD — Design System
   Dark industrial luxury · cinematic · engineering-focused
   ================================================================ */

/* ── Design tokens ─────────────────────────────────────────────── */
:root {
  --bg:          #080809;
  --bg-2:        #0c0c0e;
  --bg-3:        #101013;
  --bg-card:     rgba(255,255,255,0.03);
  --bg-glass:    rgba(255,255,255,0.05);

  --accent:      #F97316;
  --accent-dim:  rgba(249,115,22,0.10);
  --accent-glow: rgba(249,115,22,0.22);
  --accent-2:    #FB923C;

  --text:        #F0F0F5;
  --text-2:      #94A3B8;
  --text-3:      #475569;
  --text-4:      #2D3748;

  --border:      rgba(255,255,255,0.07);
  --border-2:    rgba(255,255,255,0.12);
  --border-acc:  rgba(249,115,22,0.28);

  --font-d: 'Syne', sans-serif;
  --font-b: 'Inter', sans-serif;
  --font-m: 'JetBrains Mono', monospace;

  --container: 1320px;
  --gap:       clamp(1.25rem, 3vw, 2rem);
  --section-y: clamp(5rem, 10vw, 9rem);

  --ease:     cubic-bezier(0.25,0.46,0.45,0.94);
  --ease-out: cubic-bezier(0.0,0.0,0.2,1);
  --dur:      0.32s;
  --dur-s:    0.65s;

  --radius:    4px;
  --radius-lg: 10px;
}

/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open { overflow: hidden; }

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: 0; background: none; font: inherit; color: inherit; }
::selection { background: var(--accent); color: #000; }

/* ── Loader ─────────────────────────────────────────────────────── */
.loader {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
}
.loader__inner { text-align: center; }
.loader__logo {
  font-family: var(--font-d);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.loader__bar {
  width: 200px; height: 2px;
  background: var(--border-2);
  overflow: hidden;
}
.loader__progress {
  width: 100%; height: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
}

/* ── Cursor ─────────────────────────────────────────────────────── */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(249,115,22,0.65);
  border-radius: 50%;
}
@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ── Container & Layout ─────────────────────────────────────────── */
.container {
  max-width: var(--container);
  padding-inline: clamp(1rem, 4vw, 2rem);
  margin-inline: auto;
  width: 100%;
}

.section {
  position: relative;
  padding-block: var(--section-y);
  overflow: hidden;
}

/* ── Typography ─────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-d);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-m);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.section__label::before {
  content: '';
  display: block;
  width: 28px; height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.section__title {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.section__lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-2);
  max-width: 60ch;
  line-height: 1.75;
  margin-bottom: 0;
}

/* ── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-b);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.8em 1.8em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn--primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(249,115,22,0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--lg  { padding: 1em 2.2em; font-size: 1rem; }
.btn--sm  { padding: 0.55em 1.3em; font-size: 0.85rem; }

.btn__icon { width: 1em; height: 1em; flex-shrink: 0; transition: transform var(--dur) var(--ease); }
.btn:hover .btn__icon { transform: translateX(4px); }

/* ── Navigation ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: 72px;
  transition: background var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease),
              backdrop-filter var(--dur-s) var(--ease);
}

.nav--solid {
  background: rgba(8,8,9,0.88);
  backdrop-filter: blur(18px) saturate(1.6);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  box-shadow: 0 1px 0 var(--border), 0 4px 32px rgba(0,0,0,0.4);
}

.nav__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
  transition: opacity var(--dur) var(--ease);
}
.nav__logo:hover { opacity: 0.75; }
.nav__logo-text {
  font-family: var(--font-d);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text);
}
.nav__logo-text span { color: var(--accent); }
.nav__logo-sub {
  font-family: var(--font-m);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--text-3);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav__menu-wrap { flex: 1; display: flex; justify-content: center; }
.nav__menu { display: flex; align-items: center; gap: 0.25rem; }
.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 0.5em 0.85em;
  border-radius: var(--radius);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0.85em; right: 0.85em;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease);
}
.nav__link:hover,
.nav__link.is-active { color: var(--text); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav__toggle-line {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav__toggle.is-open .nav__toggle-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.is-open .nav__toggle-line:nth-child(2) { opacity: 0; }
.nav__toggle.is-open .nav__toggle-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  position: fixed;
  inset: 0;
  top: 72px;
  background: rgba(8,8,9,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 3rem clamp(1rem,4vw,2rem);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease-out);
  z-index: 899;
}
.nav--mobile-open .nav__mobile { transform: none; }
.nav__mobile[aria-hidden='true'] { transform: translateX(100%); }
.nav__mobile-menu { display: flex; flex-direction: column; gap: 0.25rem; }
.nav__mobile-menu a {
  font-family: var(--font-d);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 700;
  color: var(--text-2);
  padding: 0.3em 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--dur) var(--ease);
  display: block;
}
.nav__mobile-menu a:hover { color: var(--accent); }
.nav__mobile-contact { display: flex; flex-direction: column; gap: 0.75rem; }
.nav__mobile-contact a { color: var(--text-2); font-size: 0.9rem; }

/* ── Hero ───────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #050506;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5,5,6,0.35) 0%,
    rgba(5,5,6,0.10) 40%,
    rgba(5,5,6,0.55) 75%,
    rgba(8,8,9,0.98) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 8rem;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-m);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.75rem;
  opacity: 0; /* GSAP animates */
}
.hero__label::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--accent);
}

.hero__title {
  font-family: var(--font-d);
  font-size: clamp(3.2rem, 9vw, 8.5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2rem;
}
.hero__title span,
.hero__title em {
  display: block;
  opacity: 0; /* GSAP animates */
  font-style: normal;
}
.hero__title--accent {
  color: var(--accent);
  font-style: italic !important;
}

.hero__desc {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-2);
  max-width: 52ch;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  opacity: 0; /* GSAP animates */
}
.hero__desc-br { display: none; }
@media (min-width: 900px) { .hero__desc-br { display: block; } }

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0; /* GSAP animates */
}

/* Hero meta bar */
.hero__meta {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 1.5rem clamp(1rem,4vw,2rem);
  border-top: 1px solid var(--border);
  background: rgba(8,8,9,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0; /* GSAP animates */
}
.hero__meta-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
.hero__meta-value {
  font-family: var(--font-d);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}
.hero__meta-label {
  font-family: var(--font-m);
  font-size: 0.63rem;
  color: var(--text-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero__meta-sep {
  width: 1px; height: 36px;
  background: var(--border-2);
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 7rem;
  right: clamp(1rem, 3vw, 2.5rem);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  opacity: 0; /* GSAP animates */
  color: var(--text-3);
  transition: color var(--dur) var(--ease);
}
.hero__scroll:hover { color: var(--accent); }
.hero__scroll-text {
  font-family: var(--font-m);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  transform-origin: top center;
}

/* ── About ──────────────────────────────────────────────────────── */
.section--about {
  background: var(--bg-2);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.about__lead {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.about__text {
  font-size: 0.95rem;
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.about__feature-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 0.15em;
  color: var(--accent);
}

.about__feature-text { display: flex; flex-direction: column; gap: 0.2rem; }
.about__feature-text strong { font-size: 0.95rem; font-weight: 600; color: var(--text); }
.about__feature-text span  { font-size: 0.875rem; color: var(--text-3); line-height: 1.6; }

/* Stats grid */
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
}

.about__stat {
  background: var(--bg-card);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: background var(--dur) var(--ease);
}
.about__stat:hover { background: var(--accent-dim); }

.stat__number {
  font-family: var(--font-d);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 0.1em;
}
.stat__suffix {
  font-size: 0.55em;
  color: var(--accent);
}
.stat__label {
  font-family: var(--font-m);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* About visual */
.about__visual {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-3);
  position: relative;
}
.about__visual-inner {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.about__visual-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
}
.about__visual-grid span {
  border: 1px solid var(--border);
}
.about__badge {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-acc);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.about__badge-year {
  font-family: var(--font-d);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
}
.about__badge-label {
  font-family: var(--font-m);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* ── Offer ──────────────────────────────────────────────────────── */
.section--offer { background: var(--bg); }

.offer__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(249,115,22,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.section__header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section__header .section__label { justify-content: center; }
.section__header .section__lead { margin-inline: auto; }

.offer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.offer__card {
  background: var(--bg-card);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.offer__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-s) var(--ease);
}
.offer__card:hover::before { transform: scaleX(1); }
.offer__card:hover { background: rgba(249,115,22,0.05); }

.offer__card-icon {
  width: 48px; height: 48px;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.offer__icon-svg { width: 100%; height: 100%; }

.offer__card-title {
  font-family: var(--font-d);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.offer__card-desc {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.7;
  flex: 1;
}

.offer__card-specs {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.offer__card-specs li {
  font-family: var(--font-m);
  font-size: 0.72rem;
  color: var(--text-2);
  padding-left: 1em;
  position: relative;
}
.offer__card-specs li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.offer__card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 0.5rem;
  transition: gap var(--dur) var(--ease);
}
.offer__card-link:hover { gap: 0.7em; }
.offer__link-icon { width: 14px; height: 14px; }

.offer__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 3rem;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}
.offer__footer p { font-size: 0.95rem; color: var(--text-2); max-width: 55ch; }
.offer__footer strong { color: var(--text); }

/* ── Realizations ───────────────────────────────────────────────── */
.section--realizations { background: var(--bg-2); }

.realizations__header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  padding-inline: clamp(1rem, 4vw, 2rem);
}
.realizations__header .section__label { justify-content: center; }

.realizations__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.realization__card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: default;
}

.realization__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 115%;
  top: -15%;
}
.realization__photo {
  width: 100%; height: 100%;
  object-fit: cover;
}
.realization__img-placeholder {
  width: 100%; height: 100%;
  background-color: var(--ph-color, #0c0c0f);
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255,255,255,0.03) 40px, rgba(255,255,255,0.03) 41px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,255,255,0.03) 40px, rgba(255,255,255,0.03) 41px);
}

.realization__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,6,0.95) 0%, rgba(5,5,6,0.40) 55%, transparent 100%);
  z-index: 1;
}

.realization__content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  padding: 1.5rem;
  transform: translateY(8px);
  transition: transform var(--dur-s) var(--ease);
}
.realization__card:hover .realization__content { transform: none; }

.realization__cat {
  font-family: var(--font-m);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}

.realization__title {
  font-family: var(--font-d);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.realization__desc {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.6;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-s) var(--ease), transform var(--dur-s) var(--ease);
}
.realization__card:hover .realization__desc {
  opacity: 1;
  transform: none;
}

.realizations__footer {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

/* ── Knowledge ──────────────────────────────────────────────────── */
.section--knowledge {
  background: var(--bg);
}

.knowledge__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.knowledge__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 80px),
    repeating-linear-gradient(0deg,  rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 80px);
}

.knowledge__layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
  position: relative;
}

.knowledge__text {
  font-size: 0.95rem;
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.knowledge__standards {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.knowledge__std {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  transition: background var(--dur) var(--ease);
}
.knowledge__std:last-child { border-bottom: 0; }
.knowledge__std:hover { background: var(--accent-dim); }

.knowledge__std-code {
  font-family: var(--font-m);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-acc);
  padding: 0.25em 0.75em;
  border-radius: 2px;
  flex-shrink: 0;
  letter-spacing: 0.08em;
}

.knowledge__std-info { display: flex; flex-direction: column; gap: 0.15rem; }
.knowledge__std-info strong { font-size: 0.875rem; color: var(--text); font-weight: 600; }
.knowledge__std-info span  { font-size: 0.8rem; color: var(--text-3); line-height: 1.5; }

/* Knowledge cards */
.knowledge__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.knowledge__card {
  background: var(--bg-card);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.knowledge__card--wide {
  grid-column: 1 / -1;
}

.knowledge__card-header {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.25rem;
}
.knowledge__card-tag {
  font-family: var(--font-m);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.knowledge__card-title {
  font-family: var(--font-d);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.knowledge__card p {
  font-size: 0.83rem;
  color: var(--text-3);
  line-height: 1.7;
}

.knowledge__list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.knowledge__list li {
  font-family: var(--font-m);
  font-size: 0.72rem;
  color: var(--text-2);
  padding-left: 1em;
  position: relative;
}
.knowledge__list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.knowledge__partners {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.knowledge__partner {
  font-family: var(--font-m);
  font-size: 0.75rem;
  color: var(--text-2);
  padding: 0.35em 0.9em;
  border: 1px solid var(--border-2);
  border-radius: 2px;
  letter-spacing: 0.06em;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.knowledge__partner:hover { border-color: var(--accent); color: var(--accent); }

.knowledge__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border-acc);
  border-radius: var(--radius);
  background: var(--accent-dim);
}
.knowledge__cta p { font-size: 0.9rem; color: var(--text-2); }

/* ── References ─────────────────────────────────────────────────── */
.section--references { background: var(--bg-2); }

.references__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 4rem;
}

.reference__card {
  background: var(--bg-card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background var(--dur) var(--ease);
}
.reference__card:hover { background: rgba(249,115,22,0.04); }

.reference__logo-text {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--border-acc);
  border-radius: var(--radius);
  font-family: var(--font-d);
  font-size: 1rem;
  font-weight: 800;
  color: var(--accent);
}

.reference__logo-img {
  width: 100px;
  height: 40px;
  object-fit: contain;
  filter: grayscale(1) brightness(0.8);
  transition: filter var(--dur) var(--ease);
}
.reference__card:hover .reference__logo-img { filter: none; }

.reference__quote { flex: 1; display: flex; flex-direction: column; gap: 1rem; }
.reference__quote p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.75;
  flex: 1;
  font-style: italic;
}

.reference__author {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.reference__author strong {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  font-style: normal;
}
.reference__author span {
  font-family: var(--font-m);
  font-size: 0.68rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  font-style: normal;
}

.references__logos { text-align: center; }
.references__logos-label {
  font-family: var(--font-m);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.5rem;
}
.references__logo-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0 2.5rem;
}
.references__partner {
  font-family: var(--font-d);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 700;
  color: var(--text-4);
  letter-spacing: 0.06em;
  transition: color var(--dur) var(--ease);
}
.references__partner:hover { color: var(--text-2); }

/* ── Contact ────────────────────────────────────────────────────── */
.section--contact {
  background: var(--bg);
}

.contact__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 100% 50%, rgba(249,115,22,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
  position: relative;
}

.contact__lead {
  font-size: 0.95rem;
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.contact__channel {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  transition: background var(--dur) var(--ease);
}
.contact__channel:hover { background: var(--accent-dim); }

.contact__channel-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact__icon-svg { width: 18px; height: 18px; }

.contact__channel-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.contact__channel-label {
  font-family: var(--font-m);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.contact__channel-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}
a.contact__channel-value:hover { color: var(--accent); }
.contact__channel-note {
  font-size: 0.78rem;
  color: var(--text-3);
}

/* Contact form */
.contact__form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.contact__form-title {
  font-family: var(--font-d);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
  color: var(--text);
}

.form__row { display: flex; gap: 1rem; }
.form__row--half > .form__group { flex: 1; }
.form__group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }

.form__label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.02em;
}
.form__label span { color: var(--accent); }

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-b);
  font-size: 0.9rem;
  padding: 0.7em 1em;
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  -webkit-appearance: none;
}
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.12);
}
.form__select { cursor: pointer; }
.form__textarea { resize: vertical; min-height: 130px; }
.form__input::placeholder,
.form__textarea::placeholder { color: var(--text-3); }

.form__group--check .form__check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}
.form__check input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px; height: 16px;
  accent-color: var(--accent);
  margin-top: 2px;
  cursor: pointer;
}
.form__check span {
  font-size: 0.78rem;
  color: var(--text-3);
  line-height: 1.6;
}
.form__check a { color: var(--accent); }

.form__footer { margin-top: 0.5rem; }
.form__submit { width: 100%; justify-content: center; }
.form__submit-loading { display: none; }

.form__message {
  margin-top: 1rem;
  padding: 0.75em 1em;
  border-radius: var(--radius);
  font-size: 0.875rem;
  display: none;
}
.form__message:not(:empty) { display: block; }
.form__message--ok  { background: rgba(34,197,94,0.1); color: #4ade80; border: 1px solid rgba(34,197,94,0.25); }
.form__message--err { background: rgba(239,68,68,0.1);  color: #f87171; border: 1px solid rgba(239,68,68,0.25); }

/* ── Footer ─────────────────────────────────────────────────────── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer__top { padding-block: clamp(3rem, 6vw, 5rem); }

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.footer__logo { display: inline-flex; flex-direction: column; line-height: 1; margin-bottom: 1rem; }
.footer__logo-text {
  font-family: var(--font-d);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text);
}
.footer__logo-text span { color: var(--accent); }
.footer__logo-sub {
  font-family: var(--font-m);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.7;
  max-width: 38ch;
  margin-bottom: 1.25rem;
}

.footer__certifications { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer__cert {
  font-family: var(--font-m);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-2);
  border: 1px solid var(--border-2);
  border-radius: 2px;
  padding: 0.25em 0.65em;
}

.footer__heading {
  font-family: var(--font-m);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.25rem;
}

.footer__links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__links a {
  font-size: 0.875rem;
  color: var(--text-3);
  transition: color var(--dur) var(--ease);
}
.footer__links a:hover { color: var(--text); }

.footer__address { display: flex; flex-direction: column; gap: 0.75rem; font-style: normal; }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-3);
  transition: color var(--dur) var(--ease);
}
a.footer__contact-item:hover { color: var(--text); }
.footer__icon { width: 16px; height: 16px; flex-shrink: 0; margin-top: 0.15em; color: var(--accent); }

.footer__bottom {
  padding-block: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.footer__bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
.footer__copy, .footer__legal {
  font-size: 0.78rem;
  color: var(--text-3);
}

/* ── Page hero (inner pages) ─────────────────────────────────────── */
.page-hero {
  padding-top: 140px;
  padding-bottom: 3rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.page-hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--text);
}

.page-content { color: var(--text-2); line-height: 1.8; }
.page-content h2, .page-content h3 { color: var(--text); margin-block: 1.5rem 0.75rem; font-family: var(--font-d); }
.page-content p { margin-bottom: 1rem; }
.page-content a { color: var(--accent); }

/* ── Scrollbar ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .offer__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; }
  .knowledge__layout { grid-template-columns: 1fr; }
  .contact__layout { grid-template-columns: 1fr; }
  .references__grid { grid-template-columns: repeat(2, 1fr); }
  .realizations__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__menu-wrap { display: none; }
  .nav__toggle { display: flex; }
  .btn--sm { display: none; }

  .hero__title { font-size: clamp(2.5rem, 11vw, 4rem); }
  .hero__scroll { display: none; }
  .hero__meta { flex-wrap: wrap; gap: 1rem; padding: 1.25rem; }
  .hero__meta-sep { display: none; }

  .offer__grid { grid-template-columns: 1fr; }
  .references__grid { grid-template-columns: 1fr; }
  .realizations__grid { grid-template-columns: 1fr; }
  .knowledge__cards { grid-template-columns: 1fr; }
  .knowledge__card--wide { grid-column: 1; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }

  .form__row--half { flex-direction: column; }
  .contact__form-wrap { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .offer__footer { flex-direction: column; }
  .knowledge__cta { flex-direction: column; }
}

/* ── Accessibility ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #hero-canvas { display: none; }
}

/* ── Print ──────────────────────────────────────────────────────── */
@media print {
  .nav, .hero__canvas, .loader, .cursor-dot, .cursor-ring { display: none; }
  body { background: white; color: black; }
}