:root {
  --ink: #171717;
  --ink-soft: #4c4a46;
  --paper: #f4f2ed;
  --paper-strong: #fbfaf7;
  --line: rgba(23, 23, 23, 0.14);
  --line-strong: rgba(23, 23, 23, 0.28);
  --mist: #dfe4df;
  --blush: #eadfda;
  --shadow: 0 24px 70px rgba(20, 20, 20, 0.12);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 18%, rgba(223, 228, 223, 0.82), transparent 30rem),
    radial-gradient(circle at 86% 12%, rgba(234, 223, 218, 0.86), transparent 26rem),
    linear-gradient(135deg, var(--paper-strong), var(--paper));
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(23, 23, 23, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 23, 23, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 84%);
}

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

button,
input,
textarea {
  font: inherit;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.34;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  margin: 16px auto 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 250, 247, 0.72);
  backdrop-filter: blur(22px);
  box-shadow: 0 12px 40px rgba(20, 20, 20, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-right: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 50%;
  transition: transform 240ms ease, filter 240ms ease;
}

.brand:hover .brand-mark {
  filter: drop-shadow(0 8px 18px rgba(23, 23, 23, 0.18));
  transform: rotate(-5deg) scale(1.04);
}

.brand-name {
  font-weight: 800;
}

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

.site-nav a {
  padding: 12px 14px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 700;
  transition: color 220ms ease, background 220ms ease, transform 220ms ease;
}

.site-nav a:hover {
  color: var(--ink);
  background: rgba(23, 23, 23, 0.07);
  transform: translateY(-1px);
}

.section {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 104px 0;
}

.hero {
  display: grid;
  min-height: calc(100svh - 72px);
  align-items: center;
  grid-template-columns: minmax(0, 1.06fr) minmax(310px, 0.94fr);
  gap: clamp(32px, 7vw, 96px);
  padding-top: 68px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 8vw, 7.5rem);
  line-height: 0.92;
  font-weight: 800;
}

h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(2rem, 4.8vw, 4.6rem);
  line-height: 1;
  font-weight: 800;
}

h3 {
  margin-bottom: 0;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-text {
  max-width: 640px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease,
    color 220ms ease;
}

.button.primary {
  padding: 0 24px;
  background: var(--ink);
  color: var(--paper-strong);
  box-shadow: 0 14px 34px rgba(23, 23, 23, 0.18);
}

.button.ghost {
  padding: 0 22px;
  background: rgba(251, 250, 247, 0.5);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(23, 23, 23, 0.2);
}

.button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
  box-shadow: none;
}

.hero-visual {
  position: relative;
  min-height: min(68vw, 620px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.6), transparent 44%),
    linear-gradient(145deg, rgba(23, 23, 23, 0.09), rgba(255, 255, 255, 0.28)),
    var(--mist);
  box-shadow: var(--shadow);
  isolation: isolate;
}

.hero-visual::before,
.hero-visual::after {
  position: absolute;
  content: "";
}

.hero-visual::before {
  inset: 11%;
  border: 1px solid rgba(23, 23, 23, 0.22);
  border-radius: 50%;
  animation: breathe 6s ease-in-out infinite;
}

.hero-visual::after {
  right: 12%;
  bottom: 10%;
  width: 34%;
  aspect-ratio: 1;
  border: 1px solid rgba(23, 23, 23, 0.32);
  border-radius: 50%;
  background: rgba(251, 250, 247, 0.42);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(23, 23, 23, 0.28);
  border-radius: 50%;
}

.orbit-one {
  top: 16%;
  left: 14%;
  width: 28%;
  aspect-ratio: 1;
  animation: float 7s ease-in-out infinite;
}

.orbit-two {
  top: 44%;
  left: 36%;
  width: 46%;
  aspect-ratio: 1;
  animation: float 8s ease-in-out infinite reverse;
}

.ticker {
  position: absolute;
  right: 0;
  bottom: 34px;
  left: 0;
  display: flex;
  gap: 10px;
  padding: 0 26px;
  transform: rotate(-2deg);
}

.ticker span {
  flex: 1;
  padding: 18px 16px;
  border: 1px solid rgba(23, 23, 23, 0.14);
  border-radius: var(--radius);
  background: rgba(251, 250, 247, 0.58);
  backdrop-filter: blur(14px);
  font-size: clamp(1.1rem, 3vw, 2.1rem);
  font-weight: 800;
  text-align: center;
}

.split {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 6vw, 80px);
  border-top: 1px solid var(--line);
}

.about-grid {
  display: grid;
  gap: 14px;
}

.metric {
  display: grid;
  grid-template-columns: 64px 0.36fr 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.metric span {
  color: var(--ink-soft);
  font-weight: 800;
}

.metric p {
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 42px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.person {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 250, 247, 0.62);
  box-shadow: 0 16px 40px rgba(23, 23, 23, 0.06);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.person:hover {
  border-color: var(--line-strong);
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}

.person[open] {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.person-summary {
  display: grid;
  cursor: pointer;
  list-style: none;
}

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

.portrait {
  display: block;
  width: 100%;
  aspect-ratio: 1.5;
  object-fit: cover;
  filter: contrast(1.02) brightness(1.04);
  transition: filter 260ms ease, transform 360ms ease;
}

.portrait-konstantin {
  object-position: 50% 42%;
}

.portrait-mikhail {
  object-position: 50% 38%;
}

.person:hover .portrait {
  filter: contrast(1.08) brightness(1.08);
  transform: scale(1.035);
}

.person-info {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.person-info span {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 700;
}

.person-info strong {
  font-size: clamp(1.25rem, 2.4vw, 1.72rem);
  line-height: 1.1;
}

.person-info em {
  display: inline-flex;
  width: fit-content;
  margin-top: 6px;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-size: 0.84rem;
  font-style: normal;
  font-weight: 800;
}

.person-bio {
  display: grid;
  grid-template-rows: 0fr;
  padding: 0 18px;
  transition: grid-template-rows 260ms ease, padding 260ms ease;
}

.person[open] .person-bio {
  grid-template-rows: 1fr;
  padding: 0 18px 20px;
}

.person-bio p {
  min-height: 0;
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  line-height: 1.65;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.76fr);
  gap: clamp(32px, 7vw, 88px);
  border-top: 1px solid var(--line);
}

.contact-copy h2 {
  margin-bottom: 34px;
}

.contact-list {
  display: grid;
  gap: 12px;
  max-width: 520px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list span {
  color: var(--ink-soft);
  font-weight: 800;
}

.contact-list a {
  font-weight: 800;
  text-align: right;
}

.contact-form {
  display: grid;
  gap: 16px;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 250, 247, 0.68);
  box-shadow: var(--shadow);
}

.hidden-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(23, 23, 23, 0.18);
  border-radius: var(--radius);
  outline: none;
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.contact-form input {
  height: 50px;
  padding: 0 14px;
}

.contact-form textarea {
  min-height: 132px;
  resize: vertical;
  padding: 14px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(23, 23, 23, 0.55);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 0 0 4px rgba(23, 23, 23, 0.08);
}

.contact-form .button {
  width: 100%;
}

.form-note {
  min-height: 22px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 700;
}

.site-footer a {
  color: var(--ink);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes float {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }

  50% {
    transform: translate3d(14px, -18px, 0) rotate(7deg);
  }
}

@keyframes breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.72;
  }

  50% {
    transform: scale(1.06);
    opacity: 1;
  }
}

@media (max-width: 980px) {
  .hero,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 430px;
  }

  .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric {
    grid-template-columns: 56px 1fr;
  }

  .metric p {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .site-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .site-nav a {
    padding: 10px 8px;
    text-align: center;
  }

  .section {
    width: min(calc(100% - 24px), var(--max));
    padding: 72px 0;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 340px;
  }

  .ticker {
    flex-direction: column;
    bottom: 18px;
    padding: 0 18px;
    transform: rotate(-1deg);
  }

  .ticker span {
    padding: 12px;
  }

  .section-head {
    display: block;
  }

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

  .portrait {
    aspect-ratio: 1.12;
  }

  .contact-list li {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-list a {
    text-align: left;
  }

  .contact-form {
    padding: 16px;
  }

  .site-footer {
    width: min(calc(100% - 24px), var(--max));
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}