:root {
  --bg-primary: #f8f6f2;
  --bg-card: #ffffff;
  --bg-badge: #ede8e1;
  --bg-header: rgba(248, 246, 242, 0.94);
  --text-dark: #121316;
  --text-muted: #53565e;
  --text-dim: #888d96;
  --border-light: #e4ded5;
  --border-card: #e5dfd6;
  --btn-primary-bg: #121316;
  --btn-primary-text: #f8f6f2;
  --btn-primary-hover: #262c37;
  --btn-glow-shadow: 0 10px 26px rgba(38, 44, 55, 0.24);
  --slider-active: #ffffff;
  --footer-bg: #121316;
  --footer-title: #ffffff;
  --footer-text: #9fa4ac;
  --footer-border: #202227;
  --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.04);
  --shadow-modal: 0 28px 70px rgba(0, 0, 0, 0.28);
  --font-serif: "Forum", serif;
  --font-sans: "Inter", sans-serif;
  --transition-fast: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg-primary: #0e0f12;
  --bg-card: #16181c;
  --bg-badge: #1f2127;
  --bg-header: rgba(14, 15, 18, 0.92);
  --text-dark: #f8f7f4;
  --text-muted: #9fa4ac;
  --text-dim: #6a6f77;
  --border-light: #24262d;
  --border-card: #22242a;
  --btn-primary-bg: #f8f7f4;
  --btn-primary-text: #121316;
  --btn-primary-hover: #d2d6df;
  --btn-glow-shadow: 0 10px 28px rgba(210, 214, 223, 0.28);
  --slider-active: #ffffff;
  --footer-bg: #090a0c;
  --footer-title: #ffffff;
  --footer-text: #8e939d;
  --footer-border: #18191d;
  --shadow-card: 0 14px 34px rgba(0, 0, 0, 0.45);
  --shadow-modal: 0 32px 80px rgba(0, 0, 0, 0.7);
}

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

html,
body,
.modal__dialog,
.modal__dialog--about,
.header__nav {
  scrollbar-width: thin;
  scrollbar-color: rgba(120, 126, 138, 0.38) transparent;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(120, 126, 138, 0.34);
  border-radius: 99px;
  border: 1px solid transparent;
  background-clip: padding-box;
  transition: background-color var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(120, 126, 138, 0.68);
}

::-webkit-scrollbar-button {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-dark);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: clip;
  width: 100%;
  position: relative;
  padding-top: 80px;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #262c37, #7d8597, #121316);
  z-index: 1001;
  transition: width 0.08s linear;
}

[data-theme="dark"] .scroll-progress {
  background: linear-gradient(90deg, #f8f7f4, #8b92a2, #474f60);
}

.ambient-glow {
  position: fixed;
  width: 580px;
  height: 580px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(50, 65, 90, 0.12) 0%,
    rgba(50, 65, 90, 0.04) 45%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
}

[data-theme="dark"] .ambient-glow {
  background: radial-gradient(
    circle,
    rgba(140, 170, 215, 0.16) 0%,
    rgba(140, 170, 215, 0.05) 45%,
    transparent 70%
  );
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 80px;
  position: relative;
  z-index: 1;
}

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

ul {
  list-style: none;
}

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

#services,
#portfolio,
#about,
#contacts {
  scroll-margin-top: 100px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 600px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  padding: 13px 28px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  outline: none;
  overflow: hidden;
  will-change: transform;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.22),
    transparent
  );
  transform: skewX(-20deg);
  transition: left 0.65s ease;
  pointer-events: none;
}

.btn:hover::after {
  left: 150%;
}

.btn__arrow {
  display: inline-block;
  flex-shrink: 0;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover .btn__arrow {
  transform: translateX(5px);
}

.btn--primary {
  background-color: var(--btn-primary-bg) !important;
  color: var(--btn-primary-text) !important;
  border-color: var(--btn-primary-bg) !important;
}

.btn--primary:hover {
  background-color: var(--btn-primary-hover) !important;
  border-color: var(--btn-primary-hover) !important;
  color: #ffffff !important;
  box-shadow: var(--btn-glow-shadow);
  transform: translateY(-2px);
}

[data-theme="dark"] .btn--primary:hover {
  color: #121316 !important;
}

.btn--outline {
  background-color: transparent;
  color: var(--text-dark);
  border-color: var(--text-dark);
}

.btn--outline:hover {
  background-color: var(--btn-primary-bg);
  border-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  transform: translateY(-2px);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  z-index: 500;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text-dark);
  text-decoration: none;
  z-index: 520;
  display: inline-block;
  transition:
    opacity var(--transition-fast),
    color var(--transition-fast);
}

.header__logo:hover {
  opacity: 0.75;
}

.header__menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.header__link {
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  transition: color var(--transition-fast);
}

.header__link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--text-dark);
  transition: width var(--transition-fast);
}

.header__link:hover {
  color: var(--text-dark);
}

.header__link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--bg-badge);
  border: 1px solid var(--border-light);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 4px;
  transition: color var(--transition-fast);
}

.lang-btn.is-active {
  color: var(--text-dark);
}

.lang-btn:hover {
  color: var(--text-dark);
}

.lang-divider {
  color: var(--text-dim);
  font-size: 11px;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background-color: var(--bg-badge);
  color: var(--text-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--text-dark);
  transform: rotate(18deg);
}

.theme-icon--moon {
  display: none;
}

[data-theme="dark"] .theme-icon--sun {
  display: none;
}

[data-theme="dark"] .theme-icon--moon {
  display: block;
}

.header__mobile-controls,
.header__mobile-btn {
  display: none;
}

.burger-btn {
  display: none;
  background: none;
  border: none;
  width: 32px;
  height: 24px;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  padding: 3px 0;
  z-index: 520;
}

.burger-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-dark);
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.burger-btn.is-active span:first-child {
  transform: translateY(8px) rotate(45deg);
}

.burger-btn.is-active span:last-child {
  transform: translateY(-8px) rotate(-45deg);
}

.hero {
  padding: 50px 0 80px;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 64px;
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background-color: var(--bg-badge);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.badge-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #22c55e;
  position: relative;
}

.badge-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: rgba(34, 197, 94, 0.45);
  animation: pulseDot 2.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseDot {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }
  50% {
    transform: scale(2.2);
    opacity: 0;
  }
}

.hero__title {
  font-family: var(--font-serif);
  font-size: 52px;
  line-height: 1.15;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
}

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

.hero__visual {
  position: relative;
  width: 100%;
}

.tilt-target {
  will-change: transform;
  transform-style: preserve-3d;
}

[data-magnetic] {
  will-change: transform;
}

.hero__slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  border-radius: 16px;
  overflow: hidden;
  background-color: #121315;
  box-shadow:
    0 24px 48px -12px rgba(0, 0, 0, 0.22),
    0 10px 20px -6px rgba(0, 0, 0, 0.12),
    0 0 0 1px var(--border-light);
  user-select: none;
  touch-action: pan-y;
  cursor: grab;
}

.hero__slider:active {
  cursor: grabbing;
}

.hero__slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.04);
  transition:
    opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.75s;
}

.hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(18, 19, 21, 0.38) 0%,
    rgba(18, 19, 21, 0.14) 25%,
    rgba(18, 19, 21, 0.45) 60%,
    rgba(18, 19, 21, 0.76) 100%
  );
  pointer-events: none;
}

.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 1;
}

.hero__slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__slide-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(18, 19, 21, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.hero__slide-tag {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #cfd2d8;
}

.hero__slide-name {
  font-size: 12px;
  font-weight: 500;
  color: #ffffff;
  padding-left: 8px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.hero__slider-bar {
  position: absolute;
  bottom: 18px;
  left: 18px;
  right: 18px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: rgba(18, 19, 21, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 8px 14px;
  border-radius: 40px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__slider-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.hero__slider-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.hero__slider-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}

.hero__slider-pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 220px;
}

.hero__slider-bullet {
  position: relative;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  height: 3px;
  flex: 1;
  border-radius: 2px;
  cursor: pointer;
  padding: 0;
  overflow: hidden;
}

.hero__slider-bullet-fill {
  display: block;
  width: 100%;
  height: 100%;
  background-color: var(--slider-active);
  transform: scaleX(0);
  transform-origin: left;
}

.hero__slider-bullet.is-active .hero__slider-bullet-fill {
  animation: heroBulletTimer 4s linear forwards;
}

.hero__slider.is-paused
  .hero__slider-bullet.is-active
  .hero__slider-bullet-fill {
  animation-play-state: paused;
}

@keyframes heroBulletTimer {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.hero__slider-counter {
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  padding-right: 4px;
}

.services {
  padding: 60px 0 100px;
}

.services__header {
  margin-bottom: 48px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  text-decoration: none;
  color: inherit;
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.service-card:hover {
  border-color: var(--text-dark);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

[data-theme="dark"] .service-card:hover {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.service-card__number {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.service-card__icon {
  color: var(--text-dark);
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card__icon {
  transform: translate(3px, -3px);
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 16px;
}

.service-card__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.portfolio {
  padding: 60px 0 100px;
}

.portfolio__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
}

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

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-fast);
}

.project-card__image-box {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background-color: var(--bg-badge);
  aspect-ratio: 16 / 10;
  margin-bottom: 20px;
  border: 1px solid var(--border-light);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform var(--transition-smooth),
    filter var(--transition-smooth);
}

.project-card:hover .project-card__image {
  transform: scale(1.05);
  filter: contrast(1.03) brightness(1.02);
}

.project-card__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 6px;
  transition: color var(--transition-fast);
}

.project-card:hover .project-card__title {
  color: var(--text-muted);
}

.project-card__desc {
  font-size: 14px;
  color: var(--text-muted);
}

.about {
  padding: 80px 0 120px;
}

.about__container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  align-items: flex-start;
}

.about__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background-color: var(--bg-badge);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  border: 1px solid var(--border-light);
}

.about__title {
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 24px;
}

.about__lead {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.about__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 540px;
}

.about__btn {
  margin-top: 32px;
}

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

.stat-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
}

.stat-item:first-child {
  padding-top: 0;
}

.stat-item:last-child {
  border-bottom: none;
}

.stat-item__value {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 1;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.stat-item__value--text {
  font-size: 44px;
}

.stat-item__suffix {
  font-family: var(--font-sans);
  font-weight: 300;
}

.stat-item__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.footer {
  background-color: #121316 !important;
  color: #ffffff !important;
  border-top: 1px solid #202227 !important;
  padding: 90px 0 40px;
  position: relative;
  z-index: 10;
}

[data-theme="dark"] .footer {
  background-color: #090a0c !important;
  border-top-color: #18191d !important;
}

.footer__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 80px;
}

.footer__title {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 600px;
  color: #ffffff !important;
}

.footer__subtitle {
  font-size: 16px;
  line-height: 1.6;
  color: #9fa4ac !important;
  max-width: 520px;
}

.footer__socials {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  overflow: hidden;
}

.social-icon:hover {
  background-color: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  transform: translateY(-3px);
}

.social-icon__img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
  transition: filter var(--transition-fast);
}

.social-icon:hover .social-icon__img {
  filter: brightness(0);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid #202227 !important;
}

[data-theme="dark"] .footer__bottom {
  border-top-color: #18191d !important;
}

.footer__copy {
  font-size: 13px;
  color: #9fa4ac !important;
}

.footer__author {
  font-family: var(--font-serif);
  font-size: 20px;
  color: #ffffff !important;
}

.modal {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(14, 15, 17, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal__dialog {
  position: relative;
  background-color: var(--bg-card);
  width: min(100%, 500px);
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  margin: auto;
  box-sizing: border-box;
  padding: 34px 30px 26px;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-modal);
  transform: translateY(16px) scale(0.98);
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    background-color var(--transition-fast);
  z-index: 2;
}

.modal.is-open .modal__dialog {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background-color: var(--bg-badge);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  z-index: 5;
}

.modal__close:hover {
  background-color: var(--btn-primary-bg);
  border-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  transform: rotate(90deg);
}

.modal__header {
  margin-bottom: 20px;
  padding-right: 44px;
}

.modal__title {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.modal__subtitle {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-muted);
}

.modal__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.service-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 13px;
  border-radius: 20px;
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.chip:hover {
  border-color: var(--text-dark);
  color: var(--text-dark);
  transform: translateY(-2px);
}

.chip.is-active {
  background: var(--btn-primary-bg);
  border-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.channel-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background-color: var(--bg-primary);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
}

.channel-tab {
  background: transparent;
  border: none;
  padding: 7px 4px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  text-align: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.channel-tab:hover {
  color: var(--text-dark);
}

.channel-tab.is-active {
  background-color: var(--bg-card);
  color: var(--text-dark);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  color: var(--text-dark);
  caret-color: var(--text-dark);
  cursor: text !important;
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--text-dark);
  cursor: text !important;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--text-dark);
  box-shadow: 0 0 0 3px rgba(38, 44, 55, 0.12);
  cursor: text !important;
}

.modal__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 2px;
}

.modal__submit {
  width: 100%;
  height: 48px;
}

.form-status {
  font-size: 12.5px;
  text-align: center;
  transition: color var(--transition-fast);
}

.form-status:empty {
  display: none;
}

.form-status.success {
  color: #22c55e;
  font-weight: 500;
}

.form-status.error {
  color: #ef4444;
  font-weight: 500;
}

.form-privacy {
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-dim);
  text-align: center;
  margin: 0;
}

.btn__loader {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.btn.is-loading .btn__text,
.btn.is-loading .btn__arrow {
  display: none;
}

.btn.is-loading .btn__loader {
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.modal__dialog--about {
  width: min(100%, 960px);
  padding: 44px 40px 36px;
}

.about-modal__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

.about-modal__aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 0;
  width: 100%;
}

.about-modal__photo-box {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  background-color: var(--bg-badge);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.07);
}

.about-modal__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-modal__meta {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.about-modal__meta-block {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.about-modal__meta-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.about-modal__meta-text {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.35;
}

.about-modal__meta-sub {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.35;
}

.about-modal__main {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-right: 8px;
}

.about-modal__header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-modal__name {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 1.15;
  font-weight: 400;
  color: var(--text-dark);
}

.about-modal__role {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.about-modal__desc {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-modal__lead {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--text-dark);
}

.about-modal__text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.about-modal__block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-modal__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--text-dark);
}

.about-modal__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.about-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast);
}

.about-card:hover {
  transform: translateY(-2px);
  border-color: var(--text-dark);
}

.about-card__tag {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.about-card__title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--text-dark);
}

.about-card__text {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-muted);
}

.about-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-left: 1px solid var(--border-light);
  padding-left: 18px;
  margin-left: 4px;
}

.about-timeline__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}

.about-timeline__item::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--text-dark);
  border: 2px solid var(--bg-card);
}

.about-timeline__period {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.about-timeline__role {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}

.about-timeline__desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-muted);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dark);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  padding: 6px 14px;
  border-radius: 20px;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast);
}

.about-tag:hover {
  transform: translateY(-2px);
  border-color: var(--text-dark);
}

.about-modal__action {
  padding-top: 8px;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

@media (min-width: 1440px) {
  .hero__title {
    font-size: 58px;
  }
}

@media (max-width: 1200px) {
  .container {
    padding: 0 40px;
  }
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about__container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 1024px) {
  .portfolio__header {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }
  .portfolio__btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 900px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .header__desktop-control,
  .header__btn {
    display: none;
  }

  .burger-btn {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    height: 100dvh;
    background-color: var(--bg-primary);
    padding: 90px 24px 28px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 20px;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      transform var(--transition-smooth),
      opacity 0.25s ease,
      visibility 0.3s;
    z-index: 450;
    overflow-y: auto;
    overscroll-behavior: contain;
    box-sizing: border-box;
  }

  .header__nav.is-open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .header__menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
  }

  .header__link {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--text-dark);
    line-height: 1.2;
  }

  .header__mobile-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 10px 0 0;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    width: 100%;
  }

  .header__mobile-btn {
    display: flex;
    width: 100%;
    height: 48px;
    margin-top: 4px;
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  .footer__top {
    flex-direction: column;
  }

  .modal__dialog--about {
    padding: 36px 24px 30px;
  }

  .about-modal__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .about-modal__aside {
    position: static !important;
    top: auto !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
  }

  .about-modal__photo-box {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto;
  }

  .about-modal__meta {
    text-align: left;
  }

  .about-modal__main {
    padding-right: 0;
  }
}

@media (max-width: 640px) {
  body {
    padding-top: 70px;
  }

  .container {
    padding: 0 16px;
  }

  .header {
    height: 70px;
  }

  .hero {
    padding: 24px 0 54px;
  }

  .hero__title {
    font-size: 30px;
    line-height: 1.18;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__slider {
    aspect-ratio: 4 / 3;
    border-radius: 12px;
  }

  .hero__slider-bar {
    bottom: 10px;
    left: 10px;
    right: 10px;
    padding: 6px 10px;
  }

  .hero__slide-badge {
    top: 10px;
    left: 10px;
    padding: 5px 12px;
  }

  .modal {
    padding: 12px;
  }

  .modal__dialog {
    padding: 24px 18px 18px;
    border-radius: 12px;
    max-height: calc(100dvh - 24px);
  }

  .modal__dialog--about {
    padding: 28px 16px 20px;
    border-radius: 12px;
    max-height: calc(100dvh - 24px);
  }

  .modal__header {
    padding-right: 36px;
  }

  .modal__close {
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
  }

  .modal__title {
    font-size: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .modal__form {
    gap: 12px;
  }

  .channel-tabs {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 4px;
  }

  .channel-tab {
    padding: 7px 2px;
    font-size: 11px;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .section-title,
  .about__title,
  .footer__title {
    font-size: 28px;
  }

  .stat-item__value {
    font-size: 44px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .about-modal__aside {
    display: flex;
    flex-direction: column;
    text-align: center;
  }

  .about-modal__photo-box {
    width: 120px;
    height: 120px;
    margin: 0 auto;
  }

  .about-modal__name {
    font-size: 26px;
  }

  .about-modal__cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .hero__title {
    font-size: 26px;
  }

  .header__logo {
    font-size: 20px;
  }

  .btn {
    padding: 12px 18px;
    font-size: 13.5px;
  }

  .service-card {
    padding: 24px 18px;
  }

  .channel-tabs {
    grid-template-columns: 1fr;
  }

  .modal__dialog {
    padding: 20px 14px 16px;
  }
}