/* ==========================================================================
   Above&Beyond — high-end development
   Design tokens. Меняйте значения здесь — они применятся по всему сайту.
   ========================================================================== */

:root {
  /* --- Цвета --- */
  --c-ink:        #000000;
  --c-bg:         #ffffff;
  --c-muted:      #6b6b6b;
  --c-line:       #d8d8d8;
  --c-line-soft:  #ececec;
  --c-invert:     #ffffff;
  --c-overlay:    rgba(0, 0, 0, .28);

  /* --- Типографика --- */
  --font-sans: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;

  --fs-display:   clamp(2.75rem, 7.4vw, 6.875rem); /* 44 → 110px */
  --fs-h1:        clamp(2.25rem, 5.6vw, 5.625rem); /* 36 → 90px  */
  --fs-h2:        clamp(1.875rem, 3.9vw, 3.75rem); /* 30 → 60px  */
  --fs-h3:        clamp(1.375rem, 2vw, 1.875rem);  /* 22 → 30px  */
  --fs-stat:      clamp(2rem, 4vw, 3.75rem);
  --fs-lead:      clamp(1rem, 1.15vw, 1.125rem);   /* 18px */
  --fs-body:      0.9375rem;                       /* 15px */
  --fs-small:     0.875rem;                        /* 14px */
  --fs-label:     0.75rem;                         /* 12px */

  --ls-tight:     -0.055em;
  --ls-snug:      -0.03em;
  --ls-wide:      0.06em;

  /* --- Ритм и сетка --- */
  --container:    1200px;
  --gutter:       clamp(1.25rem, 4vw, 3.75rem);
  --section-y:    clamp(4rem, 10vw, 10rem);
  --header-h:     92px;

  /* --- Движение --- */
  --ease:         cubic-bezier(.22, .61, .36, 1);
  --dur:          .55s;
}

/* --------------------------------------------------------------------------
   Сброс
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img, picture, video { display: block; max-width: 100%; height: auto; }

/* <picture> — обёртка, а не изображение: тянем её, иначе object-fit не работает */
.hero__media picture,
.project__media picture,
.gallery picture { width: 100%; height: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

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

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Раскладка
   -------------------------------------------------------------------------- */

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

.section { padding-block: var(--section-y); }
.section--flush { padding-block: 0; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

@media (max-width: 760px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Типографика
   -------------------------------------------------------------------------- */

.display {
  font-size: var(--fs-display);
  font-weight: 500;
  line-height: .96;
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
}

.h1 {
  font-size: var(--fs-h1);
  font-weight: 500;
  line-height: 1;
  letter-spacing: var(--ls-tight);
  text-transform: uppercase;
}

.h2 {
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: var(--ls-snug);
  text-transform: uppercase;
}
.h3 {
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.45;
  max-width: 34ch;
}

.text-muted { color: var(--c-muted); }
.text-invert { color: var(--c-invert); }

/* Метка в квадратных скобках: [ RESIDENTIAL ] */
.label {
  display: inline-block;
  font-size: var(--fs-label);
  line-height: 1.5;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  white-space: nowrap;
}
.label::before { content: "[\00a0"; }
.label::after  { content: "\00a0]"; }

/* --------------------------------------------------------------------------
   Ссылка с плюсом: + CONTACT US
   -------------------------------------------------------------------------- */

.plus-link {
  display: inline-flex;
  align-items: center;
  gap: .7em;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding-block: .35em;
}

.plus-link::before {
  content: "";
  flex: 0 0 auto;
  width: 11px; height: 11px;
  background:
    linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1px 100% no-repeat;
  transition: transform var(--dur) var(--ease);
}

.plus-link:hover::before { transform: rotate(90deg); }

/* --------------------------------------------------------------------------
   Шапка
   -------------------------------------------------------------------------- */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.header.is-stuck {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--c-line-soft);
}

.header__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo { display: block; flex: 0 0 auto; }
.logo img, .logo svg { width: clamp(120px, 12vw, 165px); height: auto; }

.nav { display: flex; gap: clamp(1.25rem, 3.4vw, 3.25rem); }

.nav__link {
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  position: relative;
  padding-block: .4em;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: .1em;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur) var(--ease);
}

.nav__link:hover::after,
.nav__link[aria-current="true"]::after { transform: scaleX(1); transform-origin: left; }

/* Бургер */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  z-index: 80;
}

.burger span {
  display: block;
  height: 1px;
  width: 100%;
  background: var(--c-ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1000px) {
  .burger { display: flex; }

  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.75rem;
    background: var(--c-bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur) var(--ease), visibility var(--dur);
  }

  .nav.is-open { opacity: 1; visibility: visible; }
  .nav__link { font-size: 1.25rem; }
}

/* --------------------------------------------------------------------------
   Первый экран
   -------------------------------------------------------------------------- */

.hero { position: relative; padding-top: calc(var(--header-h) + clamp(1rem, 4vw, 3rem)); }

.hero__title {
  position: relative;
  z-index: 2;
  text-align: center;
  pointer-events: none;
}

/* Вторая строка ложится поверх фотографии — как в оригинале */
.hero__title .line--2 { color: var(--c-invert); }

.hero__media {
  position: relative;
  width: min(100% - var(--gutter) * 2, 1440px);
  margin-inline: auto;
  margin-top: calc(var(--fs-display) * -0.92);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--c-line-soft);
}

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

.hero__card {
  position: absolute;
  left: clamp(1rem, 5vw, 4rem);
  bottom: clamp(1rem, 5vw, 4rem);
  z-index: 3;
  max-width: 460px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--c-overlay);
  backdrop-filter: blur(2px);
  color: var(--c-invert);
}

.hero__stats {
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(1rem, 2.2vw, 2rem);
  margin-block: 1.75rem 1.5rem;
}

@media (max-width: 560px) { .hero__stats { flex-wrap: wrap; } }

.stat { display: flex; align-items: flex-start; gap: .5rem; }
.stat__num { font-size: var(--fs-stat); font-weight: 500; line-height: 1; letter-spacing: var(--ls-snug); }
.stat__label { padding-top: .35em; }

@media (max-width: 760px) {
  .hero__media { aspect-ratio: 3 / 4; }
  .hero__card { position: static; max-width: none; background: var(--c-ink); }
}

/* --------------------------------------------------------------------------
   Блок статистики
   -------------------------------------------------------------------------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: clamp(2.5rem, 6vw, 5rem);
}

.stats-grid .stat { flex-direction: column; gap: .35rem; }

/* --------------------------------------------------------------------------
   Карточки проектов
   -------------------------------------------------------------------------- */

.project { display: flex; flex-direction: column; }

.project__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--c-line-soft);
}

.project__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}

.project:hover .project__media img { transform: scale(1.045); }

.project__cta {
  position: absolute;
  right: 1rem; bottom: 1rem;
  color: var(--c-invert);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .45);
}

.project__body { padding-top: clamp(1.25rem, 2.5vw, 2rem); display: grid; gap: .9rem; }
.project__meta { font-size: var(--fs-small); color: var(--c-muted); }

/* Портфолио — шахматная сетка */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
  row-gap: clamp(3rem, 8vw, 7rem);
}

.portfolio-grid > *:nth-child(odd)  { transform: translateY(clamp(0px, 4vw, 64px)); }

@media (max-width: 760px) {
  .portfolio-grid { grid-template-columns: 1fr; row-gap: 2.5rem; }
  .portfolio-grid > *:nth-child(odd) { transform: none; }
}

/* --------------------------------------------------------------------------
   Награды
   -------------------------------------------------------------------------- */

.awards {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 7vw, 6rem);
}

.awards img {
  height: clamp(34px, 4.4vw, 58px);
  width: auto;
  filter: grayscale(1);
  opacity: .78;
  transition: opacity var(--dur) var(--ease);
}

.awards img:hover { opacity: 1; }

/* --------------------------------------------------------------------------
   Форма
   -------------------------------------------------------------------------- */

.contact { position: relative; }

.contact__ring {
  position: absolute;
  top: 50%; right: -6vw;
  translate: 0 -50%;
  width: clamp(280px, 40vw, 560px);
  aspect-ratio: 1;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.form { position: relative; z-index: 1; display: grid; gap: 1.25rem; max-width: 480px; }

.form__field {
  width: 100%;
  padding: 1.05rem 1.15rem;
  font: inherit;
  color: var(--c-ink);
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: 0;
  transition: border-color var(--dur) var(--ease);
}

.form__field::placeholder {
  color: var(--c-muted);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.form__field:focus { outline: none; border-color: var(--c-ink); }
textarea.form__field { min-height: 200px; resize: vertical; }

.form__status { font-size: var(--fs-small); min-height: 1.4em; }
.form__status[data-state="error"]   { color: #b3261e; }
.form__status[data-state="success"] { color: var(--c-ink); }

/* Honeypot — ловушка для ботов, человеку не видна */
.form__trap {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.contact__email {
  font-size: var(--fs-h3);
  letter-spacing: var(--ls-snug);
  text-transform: uppercase;
  margin-top: clamp(2rem, 4vw, 3rem);
  display: inline-block;
}

/* --------------------------------------------------------------------------
   Подвал
   -------------------------------------------------------------------------- */

.footer {
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--c-line-soft);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-muted);
}

.footer__inner { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; }

/* --------------------------------------------------------------------------
   Модальные окна проектов
   -------------------------------------------------------------------------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: start center;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--c-bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur);
}

.modal.is-open { opacity: 1; visibility: visible; }

.modal__close {
  position: fixed;
  top: 26px; right: clamp(1.25rem, 4vw, 3.75rem);
  z-index: 110;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
}

.modal__close::before,
.modal__close::after {
  content: "";
  position: absolute;
  width: 24px; height: 1px;
  background: var(--c-ink);
}

.modal__close::before { transform: rotate(45deg); }
.modal__close::after  { transform: rotate(-45deg); }

.modal__inner { width: 100%; padding-block: clamp(4.5rem, 9vw, 7rem); }

.modal__head { display: grid; gap: 1.1rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }

.modal__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(2rem, 4vw, 3rem);
  border-block: 1px solid var(--c-line-soft);
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

/* Галерея внутри модалки */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
  gap: clamp(1rem, 2.5vw, 2rem);
}

.gallery figure { margin: 0; background: var(--c-line-soft); }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.gallery__wide { grid-column: 1 / -1; }

/* --------------------------------------------------------------------------
   Появление при скролле
   -------------------------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}

[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   Печать
   -------------------------------------------------------------------------- */

@media print {
  .header, .burger, .modal, .contact__ring { display: none !important; }
  body { color: #000; }
}