/* ==========================================================================
   AKVILON PLUS — design system (v2 — editorial / studio style)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* brand palette — sampled from the AKVILON emblem */
  --bronze: #6b5a4e;
  --bronze-dark: #4a3f37;
  --bronze-light: #b09880;
  --ink: #1c1815;
  --ink-soft: #332c25;

  --paper: #ffffff;
  --paper-soft: #f5f2eb;
  --paper-line: #e7e0d2;

  --text: #1c1815;
  --text-soft: #58503f;
  --text-mute: #6f6555;
  --on-dark: #f3ede1;
  --on-dark-mute: #b9ad9a;

  --line: #e7e0d2;
  --line-strong: #d8cdb8;

  --font-heading: 'Manrope', 'Inter', Arial, sans-serif;
  --font-body: 'Inter', Arial, sans-serif;

  --r-sm: 8px;
  --r: 14px;
  --r-lg: 24px;
  --r-pill: 999px;

  --shadow-sm: 0 2px 10px rgba(28, 24, 21, 0.06);
  --shadow-md: 0 14px 34px rgba(28, 24, 21, 0.10);
  --shadow-lg: 0 28px 64px rgba(28, 24, 21, 0.16);

  --container: 1240px;
  --header-h: 108px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 800; margin: 0 0 0.5em; letter-spacing: -0.02em; line-height: 1.12; color: var(--ink); }
h3 { font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
input, textarea, select { font: inherit; }

/* ---------- language toggle ---------- */
:root[data-lang="ua"] .lang-en,
:root[data-lang="en"] .lang-ua { display: none; }

/* ---------- layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--tight { padding: 48px 0; }
.section--dark { background: var(--ink); color: var(--on-dark); }
.section--soft { background: var(--paper-soft); }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: center; }
.split--reverse { grid-template-columns: 1fr 1.15fr; }
.split--reverse > *:first-child { order: 2; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .split, .split--reverse { grid-template-columns: 1fr; } .split--reverse > *:first-child { order: 0; } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-heading);
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 14px;
}
.eyebrow::before { content: ''; width: 20px; height: 2px; border-radius: 2px; background: var(--bronze); }
.section--dark .eyebrow { color: var(--bronze-light); }
.section--dark .eyebrow::before { background: var(--bronze-light); }

h1 { font-size: clamp(36px, 4.6vw, 58px); }
h2 { font-size: clamp(28px, 3.2vw, 40px); }
h3 { font-size: clamp(18px, 2vw, 21px); }
.lead { font-size: 18px; color: var(--text-soft); max-width: 620px; line-height: 1.65; }
.section--dark .lead { color: var(--on-dark-mute); }
.text-muted { color: var(--text-mute); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--paper); }
.section--dark .text-muted { color: var(--on-dark-mute); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 32px; border-radius: var(--r-pill);
  font-family: var(--font-heading);
  font-size: 14.5px; font-weight: 700; white-space: nowrap;
  border: 1px solid transparent;
  transition: background var(--ease) .2s, color var(--ease) .2s, border-color var(--ease) .2s, transform var(--ease) .2s;
}
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--bronze-dark); }
.btn--outline { background: transparent; border-color: var(--line-strong); color: var(--text); }
.btn--outline:hover { border-color: var(--ink); }
.section--dark .btn--outline { border-color: rgba(255,255,255,0.28); color: var(--on-dark); }
.section--dark .btn--outline:hover { border-color: var(--bronze-light); color: var(--bronze-light); }
.section--dark .btn--primary { background: var(--paper); color: var(--ink); }
.section--dark .btn--primary:hover { background: var(--bronze-light); color: var(--paper); }
.btn--on-dark { background: var(--paper); color: var(--ink); }
.btn--on-dark:hover { background: var(--bronze-light); color: var(--paper); }
.btn--sm { padding: 11px 22px; font-size: 13px; }
.btn--block { width: 100%; }

/* ---------- icon circle (used in process list, contact rows) ---------- */
.icon-circle {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ink); color: var(--paper);
}
.icon-circle svg { width: 19px; height: 19px; }
.icon-circle--outline { background: transparent; border: 1px solid var(--line-strong); color: var(--bronze); }


/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,0.9);
  border-bottom: 1px solid transparent;
  transition: background var(--ease) .25s, border-color var(--ease) .25s, box-shadow var(--ease) .25s;
}
.site-header.is-solid { background: rgba(255,255,255,0.98); border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.site-header__bar { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 80px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > li { position: relative; }
.main-nav__link {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  font-family: var(--font-heading);
  font-size: 14px; font-weight: 700; color: var(--text);
  transition: color var(--ease) .2s;
}
.main-nav__link:hover, .main-nav__link.is-active { color: var(--bronze-dark); }
.main-nav__link .chev { width: 10px; height: 10px; transition: transform var(--ease) .2s; }
.main-nav > li:hover .main-nav__link .chev { transform: rotate(180deg); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; align-items: center; background: var(--paper-soft); border-radius: var(--r-pill); padding: 3px; border: 1px solid var(--line); }
.lang-switch button {
  border: 0; background: transparent; padding: 6px 12px; border-radius: var(--r-pill);
  font-size: 12px; font-weight: 700; letter-spacing: 0.03em; color: var(--text-soft);
  transition: background var(--ease) .2s, color var(--ease) .2s;
}
.lang-switch button.is-active { background: var(--ink); color: var(--paper); }

.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; border: 0; background: transparent; border-radius: var(--r-sm);
}
.hamburger span { display: block; height: 2px; width: 20px; background: var(--text); margin: 0 auto; transition: transform var(--ease) .25s, opacity var(--ease) .25s; }

/* mega menu */
.mega {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%);
  width: 620px; max-width: 90vw;
  padding: 20px; border-radius: var(--r-lg);
  background: var(--paper); border: 1px solid var(--line);
  opacity: 0; visibility: hidden; transform: translate(-50%, 8px);
  transition: opacity var(--ease) .2s, transform var(--ease) .2s, visibility .2s;
  box-shadow: var(--shadow-lg);
}
.main-nav > li:hover .mega,
.main-nav > li.is-open .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.mega__item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600; color: var(--text);
  transition: background var(--ease) .15s;
}
.mega__item:hover { background: var(--paper-soft); }
.mega__item .ic { width: 20px; height: 20px; flex-shrink: 0; color: var(--bronze); }
.mega__foot { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.mega__foot a { font-size: 13px; font-weight: 700; color: var(--bronze-dark); }

/* mobile nav */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99;
  background: var(--paper);
  padding: calc(var(--header-h) + 24px) 24px 40px;
  overflow-y: auto;
  transform: translateY(-100%);
  transition: transform var(--ease) .3s;
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav__item { border-bottom: 1px solid var(--line); }
.mobile-nav__link { display: flex; align-items: center; justify-content: space-between; padding: 18px 4px; font-family: var(--font-heading); font-size: 19px; font-weight: 800; }
.mobile-nav__sub { display: none; padding: 0 4px 18px; }
.mobile-nav__item.is-open .mobile-nav__sub { display: block; }
.mobile-nav__sub a { display: block; padding: 9px 0; font-size: 15px; color: var(--text-soft); }

/* ==========================================================================
   Hero — contained framed photo with overlaid text + floating CTA
   ========================================================================== */
.hero { padding: calc(var(--header-h) + 28px) 0 64px; background: var(--paper); }
.hero__frame {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  min-height: 460px; height: 62vh; max-height: 640px;
  background-color: var(--ink); background-size: cover; background-position: center;
}
.hero__frame::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(10,8,6,.92) 0%, rgba(10,8,6,.68) 40%, rgba(10,8,6,.32) 70%, rgba(10,8,6,.05) 100%);
}
.hero__content { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; padding: 48px; color: var(--on-dark); }
.hero h1 { color: var(--paper); max-width: 640px; text-shadow: 0 2px 16px rgba(0,0,0,.45); }
.hero p.lead { color: var(--on-dark-mute); max-width: 520px; text-shadow: 0 1px 10px rgba(0,0,0,.5); margin-bottom: 0; }
.hero__content .eyebrow { color: var(--on-dark-mute); margin-top: 16px; margin-bottom: 0; text-shadow: 0 1px 10px rgba(0,0,0,.5); }
.hero__content .eyebrow::before { background: var(--bronze-light); }
.hero__cta-row { display: flex; align-items: center; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

/* page hero (inner pages) */
.page-hero { padding: calc(var(--header-h) + 56px) 0 52px; background: var(--paper-soft); }
.page-hero--flat { background: var(--paper-soft); }
.page-hero.has-photo {
  position: relative; padding: calc(var(--header-h) + 60px) 0 56px;
  background-color: var(--ink); background-size: cover; background-position: center; color: var(--on-dark);
}
.page-hero.has-photo::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,16,13,.35), rgba(20,16,13,.72));
}
.page-hero.has-photo .container { position: relative; z-index: 1; }
.page-hero.has-photo h1 { color: var(--paper); }
.breadcrumbs { font-size: 13px; color: var(--text-mute); margin-bottom: 14px; }
.page-hero.has-photo .breadcrumbs { color: var(--on-dark-mute); }
.breadcrumbs a:hover { color: var(--bronze-dark); }
.page-hero.has-photo .breadcrumbs a:hover { color: var(--paper); }
.page-hero h1 { margin-bottom: 10px; }

/* ==========================================================================
   Stat blocks (About section numbers)
   ========================================================================== */
.stats-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 32px; }
.stat-block__num { font-family: var(--font-heading); font-size: 40px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); line-height: 1; }
.stat-block__label { font-size: 13.5px; color: var(--text-mute); margin-top: 6px; }
.section--dark .stat-block__num { color: var(--paper); }
.section--dark .stat-block__label { color: var(--on-dark-mute); }

/* ==========================================================================
   Service tiles (icon + number, no photo)
   ========================================================================== */
.service-tile { padding: 32px; display: flex; flex-direction: column; gap: 16px; cursor: pointer; }
.service-tile__head { display: flex; align-items: center; justify-content: space-between; }
.service-tile__num { font-family: var(--font-heading); font-size: 13px; font-weight: 700; letter-spacing: 0.04em; color: var(--text-mute); }
.service-tile h3 { font-size: 18px; margin: 0; }
.service-tile p { font-size: 14px; color: var(--text-mute); margin: 0; }
.service-tile__link { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--bronze-dark); }
.service-tile__link svg { width: 14px; height: 14px; transition: transform var(--ease) .2s; }
.service-tile:hover .service-tile__link svg { transform: translateX(3px); }

/* ==========================================================================
   Bento portfolio grid
   ========================================================================== */
.bento-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 260px; gap: 20px;
}
.bento-grid .bento-intro { display: flex; flex-direction: column; justify-content: center; }
.bento-tile--wide { grid-column: span 2; }
.bento-tile { position: relative; border-radius: var(--r-lg); overflow: hidden; cursor: pointer; background: var(--paper-soft); }
.bento-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--ease) .5s; }
.bento-tile:hover img { transform: scale(1.06); }
.bento-tile::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(20,16,13,.75) 0%, rgba(20,16,13,0) 55%);
}
.bento-tile__label { position: absolute; left: 18px; bottom: 16px; z-index: 1; color: var(--paper); font-family: var(--font-heading); font-weight: 700; font-size: 16px; }
.bento-tile__stat { position: absolute; left: 18px; bottom: -18px; z-index: 1; color: var(--on-dark-mute); font-size: 12.5px; display: none; }
@media (max-width: 900px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .bento-tile--wide { grid-column: span 2; }
  .bento-grid .bento-intro { grid-column: span 2; }
}
@media (max-width: 560px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-tile--wide, .bento-grid .bento-intro { grid-column: span 1; }
}

/* simple portfolio catalog tile (portfolio.html — uniform grid) */
.cat-tile { position: relative; border-radius: var(--r-lg); overflow: hidden; cursor: pointer; aspect-ratio: 4/3; background: var(--paper-soft); }
.cat-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--ease) .5s; }
.cat-tile:hover img { transform: scale(1.06); }
.cat-tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20,16,13,.78) 0%, rgba(20,16,13,0) 60%); }
.cat-tile__body { position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 1; color: var(--paper); }
.cat-tile__body h3 { color: var(--paper); font-size: 16.5px; margin: 0 0 2px; }
.cat-tile__body span { font-size: 12.5px; color: var(--on-dark-mute); }

/* ==========================================================================
   Process list (how we work)
   ========================================================================== */
.process-step { display: flex; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line); }
.process-step:last-child { border-bottom: 1px solid var(--line); }
.process-step__body h3 { font-size: 17px; margin-bottom: 4px; }
.process-step__body p { margin: 0; }

/* ==========================================================================
   Generic cards (used for forms, "what's included", specialization, etc.)
   ========================================================================== */
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform var(--ease) .25s, box-shadow var(--ease) .25s, border-color var(--ease) .25s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }

.testimonial { padding: 32px; }
.testimonial__quote { font-family: var(--font-heading); font-size: 19px; font-weight: 600; line-height: 1.5; }

/* ==========================================================================
   Auto-scrolling carousel (portfolio detail gallery)
   ========================================================================== */
.auto-carousel { position: relative; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.auto-carousel__track {
  display: flex; gap: 18px; width: max-content;
  animation: carousel-scroll var(--carousel-duration, 36s) linear infinite;
}
.auto-carousel:hover .auto-carousel__track { animation-play-state: paused; }
.auto-carousel__track.auto-carousel__track--reverse { animation-direction: reverse; }
@keyframes carousel-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.auto-carousel__item {
  position: relative; flex: 0 0 auto; width: 320px; height: 240px;
  border-radius: var(--r-lg); overflow: hidden; cursor: zoom-in;
}
.auto-carousel__item img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .6s var(--ease), filter .4s var(--ease);
}
.auto-carousel__item:hover img { transform: scale(1.09); filter: brightness(0.85); }
.auto-carousel__item::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(20,16,12,.55));
  opacity: 0; transition: opacity var(--ease) .3s;
}
.auto-carousel__item:hover::after { opacity: 1; }
.auto-carousel__zoom {
  position: absolute; right: 14px; bottom: 14px; width: 36px; height: 36px; border-radius: 50%;
  background: var(--paper); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(8px) scale(.9);
  transition: opacity var(--ease) .25s, transform var(--ease) .25s;
}
.auto-carousel__item:hover .auto-carousel__zoom { opacity: 1; transform: translateY(0) scale(1); }
.auto-carousel__zoom svg { width: 16px; height: 16px; }
@media (max-width: 640px) {
  .auto-carousel__item { width: 240px; height: 180px; }
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15, 12, 10, 0.94);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity var(--ease) .25s, visibility .25s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 88vw; max-height: 82vh; border-radius: var(--r); box-shadow: var(--shadow-lg); }
.lightbox__close, .lightbox__nav {
  position: absolute; border-radius: 50%; background: rgba(255,255,255,.08); color: var(--paper);
  border: 1px solid rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center;
  transition: background var(--ease) .2s;
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255,255,255,.2); }
.lightbox__close { top: 26px; right: 26px; width: 44px; height: 44px; }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; }
.lightbox__nav svg, .lightbox__close svg { width: 20px; height: 20px; }
.lightbox__nav--prev { left: 26px; }
.lightbox__nav--next { right: 26px; }
@media (max-width: 640px) {
  .lightbox__close { top: 14px; right: 14px; width: 38px; height: 38px; }
  .lightbox__nav { width: 40px; height: 40px; }
  .lightbox__nav--prev { left: 10px; }
  .lightbox__nav--next { right: 10px; }
}

/* ==========================================================================
   Forms
   ========================================================================== */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 13px; font-weight: 600; color: var(--text-soft); }
.field input, .field textarea {
  padding: 14px 16px; border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  background: var(--paper); color: var(--text);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--bronze-light); outline-offset: 1px; }
.field-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 12.5px; color: var(--text-mute); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--ink); color: var(--on-dark); padding: 56px 0 28px; border-top: 1px solid rgba(255,255,255,0.08); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__brand { text-align: center; }
.footer__brand img { height: 84px; margin: 0 auto 16px; }
.footer__brand p { color: var(--on-dark-mute); font-size: 14px; max-width: 280px; margin-left: auto; margin-right: auto; }
.footer h4 { font-family: var(--font-heading); color: var(--paper); font-size: 14px; margin-bottom: 18px; }
.footer__links li { margin-bottom: 11px; }
.footer__links a { color: var(--on-dark-mute); font-size: 14px; transition: color var(--ease) .2s; }
.footer__links a:hover { color: var(--bronze-light); }
.footer__bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: var(--on-dark-mute); }

/* ==========================================================================
   Misc: category icons
   ========================================================================== */
.cat-icon { width: 30px; height: 30px; stroke-width: 1.3; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .main-nav, .header-actions .lang-switch { display: none; }
  .hamburger { display: flex; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .hero__frame { min-height: 360px; height: auto; aspect-ratio: 3/4; }
  .hero__content { padding: 28px; }
  h1 { font-size: 32px; }
}