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

:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-text: #000000;

  /* Font families */
  --font-heading: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Montserrat", system-ui, -apple-system, sans-serif;

  /* Body text */
  --font-size-body: 1.25rem;
  --font-weight-body: 300;
  --line-height-body: 1.6;
  --letter-spacing-body: 0;

  /* Headings (shared) */
  --font-weight-heading: 400;
  --font-weight-h1: 400;
  --line-height-heading: 1.2;
  --letter-spacing-heading: 0;

  /* Heading sizes (h1 = 80px, остальные — в той же пропорции) */
  --font-size-h1: 5rem;
  --font-size-h2: 4.091rem;
  --font-size-h3: 3.409rem;
  --font-size-h4: 2.727rem;
  --font-size-h5: 2.273rem;
  --font-size-h6: 2.045rem;

  /* Header hero */
  --header-bg-image: url("../res/header-bg.jpg");
  --header-overlay-opacity: 0.35;
  --header-text-color: #ffffff;
  --header-title-size: var(--font-size-h1);
  --header-title-spacing: 0.12em;
  --header-subtitle-size: 1.5rem;
  --header-subtitle-spacing: 0.05em;
  --header-gap: 1rem;

  /* Welcome (масштаб от базовых 42rem → 70rem, ×1.667) */
  --welcome-max-width: 70rem;
  --welcome-padding-x: clamp(2.5rem, 8.33vw, 5rem);
  --welcome-padding-y: clamp(6.67rem, 16.67vh, 10rem);
  --welcome-title-size: var(--font-size-h2);
  --welcome-title-gap: 2.5rem;
  --welcome-text-gap: 1.5rem;

  /* Gallery */
  --gallery-cols: 1;
  --gallery-gap: 0.5rem;
  --gallery-tabs-padding-x: clamp(1rem, 4vw, 2rem);
  --gallery-tabs-padding-y: 2rem;
  --gallery-tabs-gap: 1.5rem;
  --gallery-tab-opacity: 0.45;
  --gallery-tab-opacity-active: 1;
  --lightbox-inset: 5%;
  --lightbox-max-width: 90vw;
  --lightbox-max-height: 90vh;
  --lightbox-bg: rgba(0, 0, 0, 0.92);
  --lightbox-z: 1000;

  /* Contacts */
  --contacts-section-gap: clamp(2.1rem, 5.6vh, 4.2rem);
  --contacts-field-border: #b3b3b3;
  --contacts-placeholder: #999999;
  --contacts-field-gap: 1.75rem;
  --contacts-content-max-width: 28rem;
  --contacts-content-offset: clamp(4.5rem, 9vw, 7.5rem);
  --contacts-content-padding: clamp(2rem, 5vw, 4rem);
  --contacts-title-gap: 1.5rem;
  --contacts-text-gap: 2.5rem;
  --contacts-form-gap: 2rem;
  --contacts-submit-border: 1px solid var(--color-text);
}

@media (min-width: 768px) {
  :root {
    --gallery-cols: 2;
  }
}

@media (min-width: 1024px) {
  :root {
    --gallery-cols: 4;
  }
}

html {
  height: 100%;
  font-size: 100%;
}

body {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-body);
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-h1);
}
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }
h5 { font-size: var(--font-size-h5); }
h6 { font-size: var(--font-size-h6); }

p,
li,
label,
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  color: inherit;
}

.header {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: #1a1a1a;
  background-image: var(--header-bg-image);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--header-text-color);
}

.header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, var(--header-overlay-opacity));
  pointer-events: none;
}

.header__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--header-gap);
  padding: 2rem;
}

.header__title {
  font-size: var(--header-title-size);
  font-weight: var(--font-weight-h1);
  letter-spacing: var(--header-title-spacing);
  text-transform: uppercase;
  color: var(--header-text-color);
}

.header__subtitle {
  font-family: var(--font-body);
  font-size: var(--header-subtitle-size);
  font-weight: var(--font-weight-body);
  line-height: var(--line-height-body);
  letter-spacing: var(--header-subtitle-spacing);
  color: var(--header-text-color);
}

.nav {
}

.main {
  flex: 1;
}

.welcome {
  width: 100%;
  padding: var(--welcome-padding-y) var(--welcome-padding-x);
}

.welcome__inner {
  width: 100%;
  max-width: var(--welcome-max-width);
  margin-inline: auto;
  text-align: left;
}

.welcome__title {
  font-size: var(--welcome-title-size);
  text-transform: none;
  margin-bottom: var(--welcome-title-gap);
}

.welcome__text {
  display: flex;
  flex-direction: column;
  gap: var(--welcome-text-gap);
}

.gallery {
  width: 100%;
}

.gallery__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: var(--gallery-tabs-gap);
  padding: var(--gallery-tabs-padding-y) var(--gallery-tabs-padding-x);
}

.gallery__tab {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-body);
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-body);
  color: var(--color-text);
  opacity: var(--gallery-tab-opacity);
  transition: opacity 0.2s ease;
}

.gallery__tab:hover,
.gallery__tab--active,
.gallery__tab[aria-pressed="true"] {
  opacity: var(--gallery-tab-opacity-active);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(var(--gallery-cols), 1fr);
  gap: var(--gallery-gap);
  width: 100%;
}

.gallery__cell {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  padding: 0;
  border: none;
  background: var(--color-bg);
  cursor: pointer;
  overflow: hidden;
}

.gallery__cell img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--lightbox-z);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lightbox-bg);
  padding: 0;
  cursor: pointer;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
}

.lightbox__img {
  position: relative;
  z-index: 1;
  max-width: var(--lightbox-max-width);
  max-height: var(--lightbox-max-height);
  max-height: 90dvh;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  cursor: pointer;
}

.contacts {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr 1fr;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  margin-top: var(--contacts-section-gap);
}

@media (min-width: 768px) {
  .contacts {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
  }
}

.contacts__media {
  position: relative;
  min-height: 0;
  height: 100%;
  background-color: #e8e8e8;
  overflow: hidden;
}

.contacts__photo {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.contacts__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 0;
  height: 100%;
  padding: var(--contacts-content-padding);
  padding-left: var(--contacts-content-offset);
  text-align: left;
}

.contacts__title,
.contacts__text,
.contacts__form {
  width: 100%;
  max-width: var(--contacts-content-max-width);
}

.contacts__title {
  font-size: var(--font-size-h2);
  text-transform: none;
  margin-bottom: var(--contacts-title-gap);
}

.contacts__text {
  display: flex;
  flex-direction: column;
  gap: 1em;
  margin-bottom: var(--contacts-text-gap);
}

.contacts__text a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 0.15em;
}

.contacts__text a:visited,
.contacts__text a:hover,
.contacts__text a:active {
  color: var(--color-text);
}

.contacts__form {
  display: flex;
  flex-direction: column;
  gap: var(--contacts-form-gap);
}

.contacts__field {
  display: block;
  width: 100%;
}

.contacts__input {
  display: block;
  width: 100%;
  padding: 0.5rem 0;
  border: none;
  border-bottom: 1px solid var(--contacts-field-border);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  outline: none;
  resize: vertical;
}

.contacts__input::placeholder {
  color: var(--contacts-placeholder);
  opacity: 1;
}

.contacts__input:focus {
  border-bottom-color: var(--color-text);
}

.contacts__input:invalid:not(:placeholder-shown) {
  border-bottom-color: #c0392b;
}

.contacts__input--textarea {
  min-height: 6rem;
  line-height: var(--line-height-body);
}

.contacts__submit {
  align-self: flex-start;
  margin-top: 0.5rem;
  padding: 0.75rem 2rem;
  border: var(--contacts-submit-border);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.contacts__submit:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
}

.footer {
}