/* Vectrio — blueprint atelier */
:root {
  --ink: #121820;
  --ink-soft: #2a3441;
  --paper: #edf1f4;
  --line: #b7c3cf;
  --line-soft: rgba(18, 24, 32, 0.1);
  --accent: #0b6bcb;
  --accent-hover: #0958a8;
  --accent-wash: rgba(11, 107, 203, 0.09);
  --mark: #0f8a7a;
  --muted: #5c6775;
  --surface: rgba(255, 255, 255, 0.55);
  --max: 1120px;
  --font-display: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(180deg, rgba(237, 241, 244, 0.92) 0%, rgba(223, 230, 236, 0.95) 100%),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: auto, 28px 28px, 28px 28px;
  background-attachment: fixed;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body > main {
  flex: 1 0 auto;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(237, 241, 244, 0.82);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.logo img {
  display: block;
  height: 2rem;
  width: auto;
}

.lang-switch {
  display: flex;
  gap: 0.15rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.3rem 0.45rem;
  border-bottom: 2px solid transparent;
}

.lang-switch a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--mark);
}

/* Hero */
.hero {
  padding: 2.75rem 0 3.25rem;
  border-bottom: 1px solid var(--line);
}

.hero__grid {
  display: grid;
  gap: 2.25rem;
}

.brand-mark {
  margin: 0 0 1.15rem;
  line-height: 0;
  animation: rise 0.7s ease both;
}

.brand-mark img {
  display: block;
  width: min(100%, 20rem);
  height: auto;
}

.eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  animation: rise 0.7s ease 0.05s both;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.15rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 18ch;
  animation: rise 0.7s ease 0.1s both;
}

.hero__sub {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 34rem;
  animation: rise 0.7s ease 0.16s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.35rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #f4f7fa;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
  animation: rise 0.7s ease 0.22s both;
}

.btn:hover {
  background: transparent;
  color: var(--ink);
}

.btn::after {
  content: "→";
  transition: transform 0.18s ease;
}

.btn:hover::after {
  transform: translateX(3px);
}

.mockup {
  aspect-ratio: 16 / 10;
  background: #161d27;
  border: 1px solid #2c3644;
  overflow: hidden;
  position: relative;
  box-shadow: 12px 12px 0 rgba(18, 24, 32, 0.12);
  animation: rise 0.8s ease 0.18s both;
}

.mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mockup__fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #8b98a8;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 1.5rem;
  pointer-events: none;
}

.mockup__grid {
  position: absolute;
  inset: 10%;
  border: 1px dashed rgba(148, 163, 184, 0.35);
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.12) 1px, transparent 1px);
  background-size: 22px 22px;
}

.mockup__room {
  position: absolute;
  left: 22%;
  top: 28%;
  width: 48%;
  height: 42%;
  border: 2px solid rgba(15, 138, 122, 0.9);
  background: rgba(15, 138, 122, 0.12);
}

/* Tools */
.tools {
  padding: 3.25rem 0 2.5rem;
}

.tools__head {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 2rem;
  max-width: 38rem;
}

.tools h2,
.wip h2,
.legal h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.tools h2 {
  font-size: clamp(1.45rem, 3vw, 1.85rem);
}

.section-lead {
  margin: 0;
  color: var(--muted);
}

.tools__grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.tool {
  display: grid;
  gap: 0.85rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}

.tool:hover {
  background: var(--accent-wash);
}

.tool__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tool__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.tool__icon img {
  width: 1.85rem;
  height: 1.85rem;
}

.tool:hover .tool__icon {
  border-color: var(--mark);
  transform: translateY(-2px);
}

.tool__num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--mark);
}

.tool h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tool p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 52ch;
}

.tool__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  text-decoration: none;
  width: fit-content;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.1rem;
  transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.tool__link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
  transform: translateX(2px);
}

/* Visual band */
.visual-band {
  padding: 0.5rem 0 3rem;
}

.visual-band__frame {
  position: relative;
  border: 1px solid var(--line);
  background: #e7eef3;
  box-shadow: 10px 10px 0 rgba(18, 24, 32, 0.08);
  overflow: hidden;
  aspect-ratio: 21 / 9;
  max-height: 320px;
}

.visual-band__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.7s ease;
}

.visual-band__frame:hover img {
  transform: scale(1.02);
}

.visual-band__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(237, 241, 244, 0.9);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

/* WIP */
.wip {
  padding: 0 0 3.5rem;
}

.wip__inner {
  display: grid;
  gap: 0.65rem;
  padding: 1.4rem 0 0;
  border-top: 3px solid var(--ink);
}

.wip__inner h2 {
  font-size: 1.05rem;
}

.wip__inner p {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
  font-size: 0.98rem;
}

/* Under construction */
.wip-page {
  padding: 3.5rem 0 4rem;
}

.wip-page__panel {
  width: min(100%, 560px);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 2rem 1.5rem 2.1rem;
  box-shadow: 10px 10px 0 rgba(18, 24, 32, 0.08);
}

.wip-page__icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.1rem;
}

.wip-page__icon img {
  width: 2rem;
  height: 2rem;
}

.wip-page__eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mark);
  margin-bottom: 0.65rem;
}

.wip-page h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.wip-page p {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 42ch;
}

.wip-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.5rem;
  align-items: center;
}

.wip-page__back {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.1rem;
}

.wip-page__back:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

@media (min-width: 768px) {
  .wip-page__panel {
    padding: 2.4rem 2.5rem 2.5rem;
  }
}

/* Legal pages */
.legal {
  padding: 2.75rem 0 3.5rem;
}

.legal__inner {
  width: min(100%, 680px);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.75rem 1.5rem 2rem;
}

.legal h1 {
  font-size: clamp(1.6rem, 4vw, 2rem);
  margin-bottom: 0.4rem;
}

.legal__updated {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.legal h2 {
  margin: 1.85rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.legal p,
.legal li {
  color: var(--muted);
  margin: 0 0 0.85rem;
}

.legal ul {
  margin: 0 0 0.85rem;
  padding-left: 1.2rem;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: #b7c2ce;
  padding: 2.25rem 0;
  font-size: 0.875rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.site-footer a {
  color: #d7e4f2;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-footer a:hover {
  border-bottom-color: #d7e4f2;
}

.site-footer__copy {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: #f2f5f8;
  letter-spacing: -0.02em;
}

.site-footer__legal {
  margin: 0;
  max-width: 40rem;
  line-height: 1.55;
  color: #8d99a8;
  font-size: 0.8rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
}

.site-footer__lang {
  display: flex;
  gap: 0.5rem;
  margin-left: auto;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.site-footer__lang a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--mark);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: 3rem;
  }

  .tools__grid {
    grid-template-columns: repeat(3, 1fr);
    border-top: none;
    border-left: 1px solid var(--line);
  }

  .tool {
    padding: 0 1.35rem;
    border-bottom: none;
    border-right: 1px solid var(--line);
    min-height: 100%;
  }

  .tool:hover {
    background: transparent;
  }

  .tool:hover h3 {
    color: var(--accent);
  }

  .legal__inner {
    padding: 2.25rem 2.5rem 2.5rem;
  }

  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .site-footer__links {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.65rem;
  }

  .site-footer__lang {
    margin-left: 0;
  }
}