/* ==========================================================================
   MATO.DESIGN — Юлия Лохматова | Дизайн жилых интерьеров
   Warm Architectural Editorial Stylesheet (Hosting-Ready, Zero Dependencies)
   ========================================================================== */

:root {
  --bg: #F7F4EF;
  --bg-alt: #EFEAE2;
  --surface: #FDFBF8;
  --surface-hover: #FAF6F0;

  --ink: #1B1917;
  --ink-soft: #4A443E;
  --ink-muted: #7B7268;

  --accent: #A85D44;
  --accent-hover: #8D4933;
  --accent-soft: rgba(168, 93, 68, 0.10);

  --bronze: #B6987B;
  --line: rgba(27, 25, 23, 0.10);
  --line-strong: rgba(27, 25, 23, 0.20);

  --dark-bg: #181614;
  --dark-surface: #221F1C;
  --dark-ink: #F5F0E8;
  --dark-muted: rgba(245, 240, 232, 0.66);
  --dark-line: rgba(245, 240, 232, 0.12);

  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-soft: 0 18px 48px rgba(27, 25, 23, 0.06);
  --shadow-elevated: 0 28px 70px rgba(27, 25, 23, 0.14);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1280px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease-out), opacity 0.25s var(--ease-out);
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

/* Typography Helpers */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  background-color: currentColor;
}

.eyebrow--light {
  color: var(--bronze);
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.25rem, 4.3vw, 3.65rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.section-title em,
.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.section-subtitle {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: var(--ink-soft);
  max-width: 58ch;
  line-height: 1.65;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 1.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease-out), background-color 0.3s var(--ease-out), border-color 0.3s var(--ease-out), color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  white-space: nowrap;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}

.btn:hover svg.arrow-icon {
  transform: translate(2px, -2px);
}

.btn--primary {
  background-color: var(--ink);
  color: var(--surface);
}

.btn--primary:hover {
  background-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(168, 93, 68, 0.26);
}

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

.btn--accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(168, 93, 68, 0.30);
}

.btn--outline {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background-color: transparent;
}

.btn--outline:hover {
  border-color: var(--ink);
  background-color: var(--ink);
  color: var(--surface);
  transform: translateY(-2px);
}

.btn--ghost-light {
  border: 1px solid rgba(245, 240, 232, 0.28);
  color: var(--dark-ink);
  background: rgba(245, 240, 232, 0.05);
}

.btn--ghost-light:hover {
  background: var(--dark-ink);
  color: var(--dark-bg);
  border-color: var(--dark-ink);
}

.btn--sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.82rem;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 1.1rem 0;
  transition: background-color 0.35s var(--ease-out), padding 0.35s var(--ease-out), border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background-color: rgba(247, 244, 239, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 0.78rem 0;
  border-bottom-color: var(--line);
  box-shadow: 0 6px 30px rgba(27, 25, 23, 0.04);
}

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

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  z-index: 95;
}

.brand__name {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
}

.brand__dot {
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 0.5;
}

.brand__sub {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-left: 0.15rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2.1rem;
}

.nav__link {
  position: relative;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.25rem 0;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}

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

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tg-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.58rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background-color: rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: all 0.25s var(--ease-out);
}

.tg-pill svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.tg-pill:hover {
  border-color: var(--accent);
  color: var(--ink);
  background-color: var(--surface);
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  z-index: 95;
}

.burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background-color: var(--ink);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.burger.is-active span:nth-child(1) {
  transform: translateY(3.25px) rotate(45deg);
}

.burger.is-active span:nth-child(2) {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 88;
  background-color: var(--bg);
  padding: 6.5rem 1.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out), visibility 0.35s;
}

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

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.mobile-menu__link {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  line-height: 1.15;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.mobile-menu__footer {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: clamp(7rem, 11vw, 9.5rem) 0 clamp(4rem, 7vw, 6rem);
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.65rem, 5.1vw, 4.55rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.hero__lead {
  font-size: clamp(1.02rem, 1.25vw, 1.15rem);
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 52ch;
  margin-bottom: 2.15rem;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.8rem;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.85rem;
  border-top: 1px solid var(--line);
}

.metric__value {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.25rem;
}

.metric__label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.35;
}

/* Hero Visual Showcase */
.hero__visual {
  position: relative;
}

.hero-showcase {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 4.4;
  background-color: var(--bg-alt);
  box-shadow: var(--shadow-elevated);
}

.hero-showcase__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.75s var(--ease-out), transform 1.1s var(--ease-out);
}

.hero-showcase__img.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-showcase::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(24, 22, 20, 0) 55%, rgba(24, 22, 20, 0.68) 100%);
  pointer-events: none;
}

.hero-showcase__bar {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  color: #fff;
}

.hero-showcase__caption-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.2rem;
}

.hero-showcase__caption-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.2;
}

.hero-showcase__dots {
  display: flex;
  gap: 0.45rem;
}

.hero-dot {
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.35);
  transition: background 0.3s, width 0.3s var(--ease-out);
}

.hero-dot.is-active {
  width: 44px;
  background: #fff;
}

.hero-float-badge {
  position: absolute;
  top: 1.35rem;
  left: 1.35rem;
  z-index: 3;
  background: rgba(253, 251, 248, 0.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.hero-float-badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
}

/* ==========================================================================
   ABOUT & DELIVERABLES ("ОБО МНЕ" + "О ГЛАВНОМ")
   ========================================================================== */
.section {
  padding: clamp(4.5rem, 8vw, 7.25rem) 0;
}

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

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

.about__grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}

.about__portrait-card {
  position: sticky;
  top: 6.2rem;
}

.about__portrait-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background-color: var(--bg-alt);
  box-shadow: var(--shadow-soft);
}

.about__portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about__author-meta {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background-color: var(--surface);
  border: 1px solid var(--line);
}

.about__author-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.15;
}

.about__author-role {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: 0.15rem;
}

.about__author-monogram {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.about__text p {
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}

.about__quote {
  margin: 2rem 0 2.5rem;
  padding: 1.5rem 1.75rem;
  border-left: 2px solid var(--accent);
  background-color: var(--surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-style: italic;
  line-height: 1.38;
  color: var(--ink);
}

.deliverables__heading {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-bottom: 1.15rem;
}

.deliverables__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.deliverable-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-md);
  background-color: var(--surface);
  border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.deliverable-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.deliverable-item--wide {
  grid-column: 1 / -1;
}

.deliverable-item__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background-color: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.deliverable-item__icon svg {
  width: 18px;
  height: 18px;
}

.deliverable-item__title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
  color: var(--ink);
}

.deliverable-item__desc {
  font-size: 0.83rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

/* ==========================================================================
   PORTFOLIO / PROJECTS SECTION
   ========================================================================== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(2.2rem, 4vw, 3.25rem);
  flex-wrap: wrap;
}

.filter-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.35rem;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
}

.filter-btn {
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-pill);
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: all 0.25s var(--ease-out);
}

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

.filter-btn.is-active {
  background-color: var(--ink);
  color: var(--surface);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.project-card {
  grid-column: span 4;
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.35s var(--ease-out);
}

.project-card--featured {
  grid-column: span 6;
}

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

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-elevated);
  border-color: rgba(168, 93, 68, 0.32);
}

.project-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--bg-alt);
}

.project-card--featured .project-card__media {
  aspect-ratio: 16 / 10.5;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.75s var(--ease-out);
}

.project-card:hover .project-card__media img {
  transform: scale(1.05);
}

.project-card__badges {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
}

.badge {
  padding: 0.38rem 0.8rem;
  border-radius: var(--radius-pill);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.badge--light {
  background: rgba(253, 251, 248, 0.90);
  color: var(--ink);
}

.badge--dark {
  background: rgba(24, 22, 20, 0.78);
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.badge--wip {
  background: rgba(168, 93, 68, 0.92);
  color: #fff;
}

.project-card__body {
  padding: 1.4rem 1.5rem 1.55rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-card__meta {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 0.45rem;
}

.project-card__title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.18;
  margin-bottom: 0.55rem;
  color: var(--ink);
}

.project-card__desc {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.58;
  margin-bottom: 1.2rem;
  flex: 1;
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--ink);
}

.project-card__action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
}

.project-card:hover .project-card__action svg {
  transform: translateX(4px);
}

.project-card__action svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--ease-out);
}

/* ==========================================================================
   PROCESS / STAGES ("ЭТАПЫ РАБОТЫ")
   ========================================================================== */
.stages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.35rem;
}

.stage-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.85rem 1.65rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.35s var(--ease-out), border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.stage-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-soft);
}

.stage-card__num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 400;
  line-height: 1;
  color: var(--accent);
  opacity: 0.85;
  margin-bottom: 1.4rem;
}

.stage-card__title {
  font-family: var(--font-serif);
  font-size: 1.48rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.stage-card__desc {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.62;
  margin-bottom: 1.35rem;
}

.stage-card__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 0.32rem 0.75rem;
  border-radius: var(--radius-pill);
  background-color: var(--bg-alt);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--ink-soft);
}

/* ==========================================================================
   TARIFFS ("ТАРИФЫ")
   ========================================================================== */
.tariffs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.tariff-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.tariff-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.tariff-card--popular {
  background-color: var(--dark-bg);
  color: var(--dark-ink);
  border-color: var(--dark-bg);
  box-shadow: var(--shadow-elevated);
}

.tariff-card__ribbon {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  background-color: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tariff-card__name {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.tariff-card--popular .tariff-card__name {
  color: var(--bronze);
}

.tariff-card__price-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 0.95rem;
}

.tariff-card__price {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 3.4vw, 3.2rem);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.tariff-card__unit {
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.tariff-card--popular .tariff-card__unit {
  color: var(--dark-muted);
}

.tariff-card__Pitch {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.55;
  padding-bottom: 1.35rem;
  margin-bottom: 1.35rem;
  border-bottom: 1px solid var(--line);
}

.tariff-card--popular .tariff-card__Pitch {
  color: var(--dark-muted);
  border-bottom-color: var(--dark-line);
}

.tariff-card__includes-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
  color: var(--ink);
}

.tariff-card--popular .tariff-card__includes-label {
  color: var(--dark-ink);
}

.tariff-card__base-pill {
  display: inline-block;
  padding: 0.42rem 0.85rem;
  border-radius: var(--radius-sm);
  background-color: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.95rem;
}

.tariff-card--popular .tariff-card__base-pill {
  background-color: rgba(182, 152, 123, 0.16);
  color: var(--bronze);
}

.tariff-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.62rem;
  margin-bottom: 1.75rem;
  flex: 1;
}

.tariff-card__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.88rem;
  line-height: 1.48;
  color: var(--ink-soft);
}

.tariff-card--popular .tariff-card__list li {
  color: rgba(245, 240, 232, 0.84);
}

.tariff-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
}

.tariff-card--popular .tariff-card__list li::before {
  background-color: var(--bronze);
}

.tariff-card__meta {
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  margin-bottom: 1.35rem;
  font-size: 0.83rem;
}

.tariff-card--popular .tariff-card__meta {
  border-top-color: var(--dark-line);
}

.tariff-card__term {
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.tariff-card__notes {
  font-size: 0.76rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.tariff-card--popular .tariff-card__notes {
  color: var(--dark-muted);
}

.tariff-card .btn {
  width: 100%;
}

/* ==========================================================================
   INTERACTIVE COST CALCULATOR
   ========================================================================== */
.calc-box {
  margin-top: 3rem;
  background-color: var(--dark-bg);
  color: var(--dark-ink);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
  box-shadow: var(--shadow-elevated);
}

.calc-box__title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 500;
  line-height: 1.12;
  margin-bottom: 0.6rem;
}

.calc-box__sub {
  font-size: 0.92rem;
  color: var(--dark-muted);
  margin-bottom: 1.85rem;
}

.calc-control {
  margin-bottom: 1.5rem;
}

.calc-control__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.65rem;
}

.calc-control__label {
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dark-muted);
}

.calc-control__val {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

input[type="range"].calc-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 6px;
  background: rgba(245, 240, 232, 0.16);
  outline: none;
}

input[type="range"].calc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s;
}

input[type="range"].calc-range::-webkit-slider-thumb:hover {
  transform: scale(1.12);
}

input[type="range"].calc-range::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  cursor: pointer;
}

.calc-range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--dark-muted);
  margin-top: 0.45rem;
}

.calc-pills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.calc-pill {
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--dark-line);
  background-color: rgba(255, 255, 255, 0.03);
  text-align: left;
  transition: all 0.25s var(--ease-out);
}

.calc-pill:hover {
  border-color: rgba(245, 240, 232, 0.32);
}

.calc-pill.is-active {
  border-color: var(--accent);
  background-color: rgba(168, 93, 68, 0.18);
}

.calc-pill__title {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.15rem;
}

.calc-pill__rate {
  display: block;
  font-size: 0.76rem;
  color: var(--bronze);
  font-variant-numeric: tabular-nums;
}

.calc-result {
  background-color: var(--dark-surface);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.85rem;
}

.calc-result__label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dark-muted);
  margin-bottom: 0.45rem;
}

.calc-result__total {
  font-family: var(--font-serif);
  font-size: clamp(2.15rem, 3.2vw, 2.85rem);
  font-weight: 600;
  line-height: 1.08;
  color: #fff;
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.6rem;
}

.calc-result__detail {
  font-size: 0.84rem;
  color: var(--bronze);
  margin-bottom: 1.45rem;
  line-height: 1.45;
}

.calc-result .btn {
  width: 100%;
}

/* ==========================================================================
   CONTACT & APPLICATION FORM ("ОСТАВЬТЕ ЗАЯВКУ")
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.25rem, 5vw, 4.5rem);
  align-items: start;
}

.contact-info__lead {
  font-size: 1.02rem;
  color: var(--ink-soft);
  line-height: 1.7;
  margin: 1.15rem 0 2rem;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  border-radius: var(--radius-md);
  background-color: var(--surface);
  border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.contact-card__left {
  display: flex;
  align-items: center;
  gap: 0.95rem;
}

.contact-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card__icon svg {
  width: 19px;
  height: 19px;
}

.contact-card__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}

.contact-card__value {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
}

.copy-chip {
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  background-color: var(--bg-alt);
  color: var(--ink-soft);
  transition: background 0.2s, color 0.2s;
}

.copy-chip:hover {
  background-color: var(--ink);
  color: #fff;
}

/* Form Box */
.form-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.65rem);
  box-shadow: var(--shadow-soft);
}

.form-card__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 0.4rem;
}

.form-card__sub {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin-bottom: 1.65rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  margin-bottom: 1.05rem;
}

.field__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 0.42rem;
}

.field__input,
.field__select,
.field__textarea {
  width: 100%;
  padding: 0.9rem 1.05rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background-color: var(--bg);
  font-size: 0.94rem;
  color: var(--ink);
  transition: border-color 0.25s, background-color 0.25s, box-shadow 0.25s;
}

.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  border-color: var(--accent);
  background-color: #fff;
  box-shadow: 0 0 0 3px rgba(168, 93, 68, 0.12);
}

.field__textarea {
  min-height: 112px;
  resize: vertical;
}

/* Honeypot hidden field */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin: 0.5rem 0 1.35rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.form-consent input[type="checkbox"] {
  appearance: auto;
  -webkit-appearance: checkbox;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.form-consent a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-status {
  display: none;
  margin-top: 1.1rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-status.is-visible {
  display: block;
}

.form-status--success {
  background-color: #EEF5EE;
  border: 1px solid #B9D4BA;
  color: #214624;
}

.form-status--error {
  background-color: #FDF0ED;
  border: 1px solid #E5B5A8;
  color: #7D2A18;
}

.form-status__tg-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.7rem;
  padding: 0.55rem 1.05rem;
  border-radius: var(--radius-pill);
  background-color: var(--ink);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 500;
}

.form-status__tg-btn:hover {
  background-color: var(--accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--dark-bg);
  color: var(--dark-ink);
  padding: 3.5rem 0 2.4rem;
  border-top: 1px solid var(--dark-line);
}

.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--dark-line);
  flex-wrap: wrap;
}

.footer__brand .brand__name {
  color: var(--dark-ink);
}

.footer__brand .brand__sub {
  color: var(--dark-muted);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  font-size: 0.88rem;
  color: var(--dark-muted);
}

.footer__nav a:hover {
  color: #fff;
}

.footer__bottom {
  padding-top: 1.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--dark-muted);
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a:hover {
  color: #fff;
}

/* Back to top button */
.to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 80;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s var(--ease-out);
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background-color: var(--accent);
  transform: translateY(-3px);
}

/* ==========================================================================
   PROJECT CASE-STUDY DRAWER / MODAL
   ========================================================================== */
.case-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease-out), visibility 0.35s;
}

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

.case-modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(20, 18, 16, 0.68);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.case-modal__panel {
  position: relative;
  z-index: 2;
  width: min(1040px, 100%);
  height: 100%;
  background-color: var(--bg);
  overflow-y: auto;
  padding: clamp(1.5rem, 4vw, 3rem);
  transform: translateX(48px);
  transition: transform 0.42s var(--ease-out);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.25);
}

.case-modal.is-open .case-modal__panel {
  transform: translateX(0);
}

.case-modal__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: -1rem;
  background-color: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-top: 0.75rem;
  z-index: 5;
}

.case-modal__close {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background-color: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
}

.case-modal__close:hover {
  background-color: var(--ink);
  color: #fff;
}

.case-header__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.spec-pill {
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  background-color: var(--bg-alt);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.case-header__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.case-header__desc {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.72;
  max-width: 72ch;
  margin-bottom: 1.5rem;
}

.case-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.case-highlights li {
  padding: 0.85rem 1.05rem;
  border-radius: var(--radius-md);
  background-color: var(--surface);
  border: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--ink-soft);
  position: relative;
  padding-left: 2rem;
}

.case-highlights li::before {
  content: "✓";
  position: absolute;
  left: 0.85rem;
  top: 0.82rem;
  color: var(--accent);
  font-weight: 700;
}

.case-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

.case-gallery__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--surface);
  border: 1px solid var(--line);
  cursor: zoom-in;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.case-gallery__item--wide {
  grid-column: 1 / -1;
}

.case-gallery__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.case-gallery__item img {
  width: 100%;
  height: auto;
  max-height: 580px;
  object-fit: cover;
}

.case-gallery__caption {
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-cta-banner {
  background-color: var(--dark-bg);
  color: var(--dark-ink);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   FULLSCREEN LIGHTBOX
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 150;
  background-color: rgba(14, 13, 12, 0.95);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s var(--ease-out), visibility 0.28s;
}

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

.lightbox__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
}

.lightbox__stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 1rem 0;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

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

.lightbox__nav--prev {
  left: 0.5rem;
}

.lightbox__nav--next {
  right: 0.5rem;
}

.lightbox__caption {
  text-align: center;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
}

/* ==========================================================================
   STANDALONE PROJECT SUBPAGE STYLES
   ========================================================================== */
.project-page-hero {
  padding: clamp(7rem, 10vw, 9rem) 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a:hover {
  color: var(--accent);
}

/* Scroll Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1120px) {
  .nav {
    gap: 1.35rem;
  }
  .tg-pill span {
    display: none;
  }
  .projects-grid {
    gap: 1.2rem;
  }
  .project-card {
    grid-column: span 6;
  }
  .stages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tariffs-grid {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin: 0 auto;
  }
  .calc-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  .nav,
  .header__actions .btn,
  .header__actions .tg-pill {
    display: none;
  }
  .burger {
    display: inline-flex;
  }
  .hero__grid,
  .about__grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .about__portrait-card {
    position: static;
    max-width: 460px;
  }
  .hero-showcase {
    aspect-ratio: 16 / 12;
  }
  .case-highlights,
  .case-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero__metrics {
    grid-template-columns: 1fr;
    gap: 0.95rem;
  }
  .deliverables__grid,
  .stages-grid,
  .form-row,
  .calc-pills {
    grid-template-columns: 1fr;
  }
  .project-card,
  .project-card--featured {
    grid-column: span 12;
  }
  .hero__cta-group .btn {
    width: 100%;
  }
  .filter-tabs {
    border-radius: var(--radius-md);
    width: 100%;
  }
  .filter-btn {
    flex: 1 1 auto;
    text-align: center;
  }
  .lightbox__nav {
    width: 40px;
    height: 40px;
  }
}