/* ==========================================================================
   Special Work — landing styles
   Nordic minimal: white, navy ink, one signal-blue accent. BEM.
   ========================================================================== */

/* ---------- Fonts (self-hosted, Manrope variable, OFL) ---------- */
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("./fonts/manrope-latin-ext-wght-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("./fonts/manrope-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  --bg: #ffffff;
  --bg-alt: #f4f6f9;
  --ink: #0d1b2a;
  --ink-soft: #3d4a5a;
  --ink-faint: #5d6979;
  --line: #e0e5eb;
  --line-strong: #c4cdd7;

  --accent: #2f5bea;
  --accent-dark: #1f45c4;
  --accent-tint: #e9efff;

  --font: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --container: 1200px;
  --gutter: 2rem;
  --header-h: 72px;
  --section-pad: 6.5rem;
  --radius: 4px;

  --t: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: clip;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ---------- Base ---------- */
.page {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16.5px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01" on;
}

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

section {
  scroll-margin-top: var(--header-h);
}

.skip-link {
  position: absolute;
  top: 0;
  left: -9999px;
  z-index: 300;
  padding: 0.7rem 1rem;
  background-color: var(--ink);
  color: #fff;
}

.skip-link:focus {
  left: 0;
}

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

.label {
  margin-bottom: 1.1rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.label--light {
  color: #9fb5ff;
}

.nowrap {
  white-space: nowrap;
}

.link {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  transition: color var(--t);
}

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

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.5rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--t), border-color var(--t), color var(--t);
}

.button--primary {
  background-color: var(--accent);
  color: #fff;
}

.button--primary:hover {
  background-color: var(--accent-dark);
}

.button--line {
  border-color: var(--ink);
  color: var(--ink);
}

.button--line:hover {
  background-color: var(--ink);
  color: #fff;
}

/* ---------- Logo ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo__mark {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 3px;
  background-color: var(--ink);
}

.logo__mark i {
  position: absolute;
  width: 7px;
  height: 7px;
}

.logo__mark i:first-child {
  top: 6px;
  left: 6px;
  background-color: #fff;
}

.logo__mark i:last-child {
  right: 6px;
  bottom: 6px;
  background-color: var(--accent);
}

.logo--small {
  font-size: 0.95rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  color: var(--ink-soft);
  font-size: 0.93rem;
  font-weight: 600;
  transition: color var(--t);
}

.nav__link:hover {
  color: var(--ink);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  background-color: var(--ink);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  transition: background-color var(--t);
}

.nav__cta:hover {
  background-color: var(--accent);
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
}

.burger__line {
  width: 24px;
  height: 2px;
  background-color: var(--ink);
  transition: transform var(--t);
}

.burger--active .burger__line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.burger--active .burger__line:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: calc(var(--header-h) + 5.5rem) 0 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  align-items: end;
  gap: 4rem;
  padding-bottom: 4.5rem;
}

.hero__title {
  max-width: 820px;
  margin-bottom: 1.6rem;
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero__lead {
  max-width: 600px;
  margin-bottom: 2.4rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* Geometric composition */
.hero__art {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: 100%;
  max-width: 330px;
  justify-self: end;
  aspect-ratio: 1 / 1;
}

.tile {
  display: block;
  border: 1.5px solid var(--line-strong);
  border-radius: 2px;
}

.tile--b {
  border-color: transparent;
  background-color: var(--bg-alt);
}

.tile--c {
  border-color: transparent;
  background-color: var(--accent);
}

.tile--d {
  border-color: transparent;
  background-color: var(--ink);
}

.tile--e {
  border-color: transparent;
  border-radius: 50%;
  background-color: var(--accent-tint);
}

.tile--g {
  border-color: transparent;
  border-top-left-radius: 100%;
  background-color: var(--ink);
}

.tile--i {
  border-color: var(--accent);
  border-width: 2px;
  border-radius: 50%;
}

/* Facts strip */
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.facts__item {
  padding: 1.4rem 1.5rem 1.5rem 0;
}

.facts__item + .facts__item {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}

.facts__label {
  margin-bottom: 0.2rem;
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.facts__value {
  font-size: 1rem;
  font-weight: 700;
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
  padding: var(--section-pad) 0;
}

.section--alt {
  background-color: var(--bg-alt);
}

.section__head {
  max-width: 780px;
  margin-bottom: 3.5rem;
}

.section__head--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 3rem;
  max-width: none;
}

.section__title {
  font-size: clamp(1.9rem, 3.4vw, 2.85rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.section__text {
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.section__text + .section__text {
  margin-top: 1rem;
}

/* ---------- Work rows ---------- */
.rows {
  border-bottom: 1px solid var(--line);
}

.row {
  display: grid;
  grid-template-columns: 64px 220px minmax(0, 1fr) 290px;
  align-items: start;
  gap: 2rem;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
  transition: border-color var(--t);
}

.row:first-child {
  border-top-color: var(--ink);
}

.row:hover {
  border-top-color: var(--accent);
}

.row__num {
  color: var(--ink-faint);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 2.1;
  font-variant-numeric: tabular-nums;
  transition: color var(--t);
}

.row__title {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.03em;
  transition: color var(--t);
}

.row:hover .row__num,
.row:hover .row__title {
  color: var(--accent);
}

.row__text {
  max-width: 520px;
  padding-top: 0.2rem;
  color: var(--ink-soft);
}

.row__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
  padding-top: 0.25rem;
}

.row__tags li {
  padding: 0.22rem 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 600;
}

/* ---------- Principles ---------- */
.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
}

.principle {
  padding: 2rem 1.75rem 2.2rem 0;
}

.principle + .principle {
  padding-left: 1.75rem;
  border-left: 1px solid var(--line-strong);
}

.principle__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 1.4rem;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  font-size: 0.85rem;
  font-weight: 800;
}

.principle__title {
  margin-bottom: 0.6rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.principle__text {
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* ---------- FAQ ---------- */
.faq {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.faq__head {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.faq__head .section__title {
  margin-bottom: 1.2rem;
}

.faq__list {
  border-top: 1px solid var(--ink);
}

.qa {
  border-bottom: 1px solid var(--line);
}

.qa__q {
  position: relative;
  display: block;
  padding: 1.5rem 3rem 1.5rem 0;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  cursor: pointer;
  list-style: none;
  transition: color var(--t);
}

.qa__q::-webkit-details-marker {
  display: none;
}

.qa__q::before,
.qa__q::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0.4rem;
  width: 14px;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--t);
}

.qa__q::after {
  transform: rotate(90deg);
}

.qa[open] .qa__q::after {
  transform: rotate(0deg);
}

.qa__q:hover,
.qa[open] .qa__q {
  color: var(--accent);
}

.qa__a {
  max-width: 620px;
  padding: 0 3rem 1.6rem 0;
  color: var(--ink-soft);
}

/* ---------- Company ---------- */
.company {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.company__text .section__title {
  margin-bottom: 1.4rem;
}

.sheet {
  border-top: 1px solid var(--ink);
  background-color: var(--bg);
}

.sheet__row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.5rem;
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--line);
}

.sheet__key {
  color: var(--ink-faint);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.9;
}

.sheet__val {
  font-weight: 600;
}

/* ---------- Contact ---------- */
.contact {
  padding: 7rem 0;
  background-color: var(--ink);
  color: #fff;
}

.contact__title {
  max-width: 860px;
  margin-bottom: 1.2rem;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.contact__text {
  margin-bottom: 2.6rem;
  color: #b8c3d1;
  font-size: 1.08rem;
}

.contact__mail {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 3px solid var(--accent);
  font-size: clamp(1.5rem, 3.6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  word-break: break-word;
  transition: color var(--t), border-color var(--t);
}

.contact__mail:hover {
  color: #9fb5ff;
  border-color: #9fb5ff;
}

/* ---------- Footer ---------- */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem 2rem;
}

.footer__meta {
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .row {
    grid-template-columns: 56px 1fr;
    gap: 0.6rem 1.5rem;
  }

  .row__text,
  .row__tags {
    grid-column: 2;
  }

  .row__tags {
    justify-content: flex-start;
  }

  .principles {
    grid-template-columns: repeat(2, 1fr);
  }

  .principle:nth-child(3) {
    padding-left: 0;
    border-left: none;
  }

  .principle:nth-child(n + 3) {
    border-top: 1px solid var(--line-strong);
  }
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero__art {
    justify-self: start;
    max-width: 240px;
  }

  .section__head--split,
  .faq,
  .company {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .faq__head {
    position: static;
  }
}

@media (max-width: 820px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1.2rem;
    padding: 1.5rem var(--gutter) 2rem;
    background-color: var(--bg);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
  }

  .nav--open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .nav__link {
    font-size: 1.05rem;
  }

  .nav__cta {
    align-self: flex-start;
  }

  .burger {
    display: flex;
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 1.25rem;
    --section-pad: 4.5rem;
  }

  .hero {
    padding-top: calc(var(--header-h) + 3.5rem);
  }

  .hero__grid {
    padding-bottom: 3rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__art {
    max-width: 180px;
  }

  .facts {
    grid-template-columns: 1fr;
  }

  .facts__item,
  .facts__item + .facts__item {
    padding: 1rem 0;
    border-left: none;
  }

  .facts__item + .facts__item {
    border-top: 1px solid var(--line);
  }

  .row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.8rem 0;
  }

  .row__text,
  .row__tags {
    grid-column: 1;
  }

  .row__num {
    line-height: 1.4;
  }

  .principles {
    grid-template-columns: 1fr;
  }

  .principle,
  .principle + .principle {
    padding: 1.6rem 0;
    border-left: none;
  }

  .principle + .principle {
    border-top: 1px solid var(--line-strong);
  }

  .sheet__row {
    grid-template-columns: 1fr;
    gap: 0.1rem;
    padding: 1rem 1.1rem;
  }

  .contact {
    padding: 5rem 0;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}