/* ===========================================================
   Рина — AI-фото и AI-видео
   Editorial / minimal, тёмный графит + молочный + один акцент
   =========================================================== */

:root {
  --color-bg: #15161a;
  --color-bg-alt: #1b1c22;
  --color-bg-alt-2: #202229;
  --color-milk: #f4f0e6;
  --color-milk-dim: #cfccc2;
  --color-muted: #9b9c9e;
  --color-accent: #4fa679;
  --color-accent-light: #a9e6c6;
  --color-border: rgba(244, 240, 230, 0.12);
  --color-border-strong: rgba(244, 240, 230, 0.22);

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-width: 1240px;
  --container-width-narrow: 760px;
  --section-padding-y: clamp(64px, 9vw, 152px);
  --gap: clamp(16px, 2.4vw, 32px);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 200ms var(--ease);
  --transition-med: 420ms var(--ease);
}

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

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-milk);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* Cyrillic compounds long words (e.g. "профессиональный"); without this,
     a single long word can exceed its container and cause horizontal
     scroll on narrow viewports instead of wrapping. */
  overflow-wrap: break-word;
}

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

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.container--narrow {
  max-width: var(--container-width-narrow);
}

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

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

.section-head {
  max-width: 640px;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-head__text {
  margin-top: 18px;
  color: var(--color-milk-dim);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 56ch;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 14px;
}

h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.25;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  white-space: normal;
  text-align: center;
  transition: transform var(--transition-fast), background var(--transition-fast),
    color var(--transition-fast), border-color var(--transition-fast);
}

.btn--accent {
  background: var(--color-accent);
  color: #0e1512;
}

.btn--accent:hover,
.btn--accent:focus-visible {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

.btn--ghost {
  border: 1px solid var(--color-border-strong);
  color: var(--color-milk);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
}

.btn--large {
  padding: 18px 34px;
  font-size: 16px;
}

.btn--small {
  padding: 10px 20px;
  font-size: 14px;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: #0e1512;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(21, 22, 26, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), padding var(--transition-fast);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 20px;
  transition: padding var(--transition-fast);
}

.site-header.is-scrolled .site-header__inner {
  padding-block: 14px;
}

.logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo__tag {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 2px;
}

.nav {
  display: none;
  align-items: center;
  gap: clamp(18px, 2vw, 32px);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-milk-dim);
}

.nav a {
  position: relative;
  padding-block: 4px;
  transition: color var(--transition-fast);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--color-milk);
}

.nav-cta {
  display: none;
}

/* ---------- Language switcher ---------- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}

.lang-switch__btn {
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-muted);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.lang-switch__btn + .lang-switch__btn {
  border-left: 1px solid var(--color-border-strong);
}

.lang-switch__btn:hover {
  color: var(--color-milk);
}

.lang-switch__btn.is-active {
  background: var(--color-accent);
  color: #0e1512;
}

.lang-switch--mobile {
  margin-top: 6px;
}

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-milk);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-med), transform var(--transition-med),
    visibility var(--transition-med);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: 28px;
}

@media (min-width: 900px) {
  .nav {
    display: flex;
  }
  .nav-cta {
    display: inline-flex;
  }
  .menu-toggle {
    display: none;
  }
  .mobile-nav {
    display: none;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(88px, 16vw, 200px) clamp(72px, 10vw, 140px);
}

.hero__inner {
  max-width: 900px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(38px, 6.4vw, 84px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--color-milk);
}

.hero__subtitle {
  margin-top: 28px;
  max-width: 60ch;
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--color-milk-dim);
}

.hero__actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.hero__micro {
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--color-muted);
}

/* ---------- Works ---------- */
.filter-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}

.filter-tab {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  transition: all var(--transition-fast);
}

.filter-tab.is-active,
.filter-tab:hover {
  border-color: var(--color-accent-light);
  color: var(--color-milk);
}

.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-auto-flow: dense;
  gap: var(--gap);
}

@media (min-width: 640px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .works-grid { grid-template-columns: repeat(3, 1fr); }

  /* One tile gets a bento-style spotlight so the grid isn't uniform rows —
     applied only once there's enough width for the hierarchy to read. */
  .work-card--featured {
    grid-column: span 2;
    grid-row: span 2;
  }
  .work-card--featured img,
  .work-card--featured .work-card__video {
    aspect-ratio: auto;
    height: 100%;
  }
}

.work-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt-2);
  transition: border-color var(--transition-fast);
}

.work-card:hover,
.work-card:focus-within {
  border-color: var(--color-border-strong);
}

.work-card.is-hidden {
  display: none;
}

.work-card img,
.work-card__video {
  aspect-ratio: 4 / 5;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--color-bg-alt-2);
  transition: transform 650ms var(--ease);
}

.work-card:hover img,
.work-card:hover .work-card__video {
  transform: scale(1.06);
}

/* Caption lives as a gradient scrim over the image itself, gallery-style,
   instead of a separate solid-color bar competing with the photo for space. */
.work-card__meta {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  padding: 34px 16px 14px;
  background: linear-gradient(to top, rgba(8, 9, 11, 0.92) 0%, rgba(8, 9, 11, 0.55) 48%, transparent 100%);
  pointer-events: none;
}

.work-card__label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-milk);
}

.work-card__tag {
  flex-shrink: 0;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  padding: 4px 9px;
  border: 1px solid rgba(244, 240, 230, 0.22);
  border-radius: 999px;
}

.section-cta {
  margin-top: 44px;
}

/* ---------- Who / services ---------- */
.who-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.who-card {
  padding: 36px 30px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), transform var(--transition-med);
}

.who-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-3px);
}

.who-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--color-accent-light);
  margin-bottom: 18px;
}

.who-card h3 {
  margin-bottom: 14px;
}

.who-card__pain {
  color: var(--color-milk-dim);
  font-size: 15px;
  margin-bottom: 12px;
}

.who-card__result {
  font-size: 15px;
  margin-bottom: 22px;
}

.who-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-light);
  transition: color var(--transition-fast);
}

.who-card__link:hover {
  color: var(--color-milk);
}

.who-note {
  margin-top: 40px;
  color: var(--color-muted);
  font-size: 14.5px;
}

@media (min-width: 720px) {
  .who-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Process ---------- */
.process-list {
  display: flex;
  flex-direction: column;
}

.process-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  align-items: start;
  padding-block: 28px;
  border-top: 1px solid var(--color-border);
}

.process-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.process-item__num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  color: var(--color-accent);
  line-height: 1;
}

.process-item h3 {
  margin-bottom: 8px;
}

.process-item p {
  color: var(--color-milk-dim);
  font-size: 15px;
  max-width: 56ch;
}

@media (min-width: 720px) {
  .process-item {
    grid-template-columns: 100px 1fr;
  }
}

/* ---------- Trust ---------- */
.facts-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-bottom: clamp(40px, 6vw, 64px);
}

.fact {
  padding: 28px 26px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
}

.fact p {
  font-size: 15.5px;
  color: var(--color-milk-dim);
}

@media (min-width: 720px) {
  .facts-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- FAQ ---------- */
.faq-list {
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding-block: 4px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding-block: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 500;
  font-family: var(--font-display);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-accent-light);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding-bottom: 24px;
  max-width: 62ch;
  color: var(--color-milk-dim);
  font-size: 15px;
}

/* ---------- Final CTA ---------- */
.cta-final {
  text-align: center;
}

.cta-final .container {
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-final__text {
  margin-top: 20px;
  color: var(--color-milk-dim);
  font-size: clamp(15px, 1.8vw, 18px);
}

.cta-final .btn {
  margin-top: 36px;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: 32px;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  color: var(--color-muted);
}

.footer__inner a {
  color: var(--color-accent-light);
  transition: color var(--transition-fast);
}

.footer__inner a:hover {
  color: var(--color-milk);
}

/* ---------- Scroll-reveal animation ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}