@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600&family=Montserrat:wght@300;400;500&display=swap");

:root {
  --black: #050505;
  --panel: #0a0a09;
  --gold: #cba36b;
  --gold2: #f0d19e;
  --red: #a7191f;
  --line: #cba36b47;
  --text: #e8e0d4;
  --muted: #a8a096;

  --panel-soft: #0e0d0b;
  --panel-hover: #13110e;
  --danger-border: #d74447;
  --success: #9eaa84;
  --radius: 2px;
  --content-width: 1080px;
  --transition: 180ms ease;
}

/* Reset */

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

html {
  min-height: 100%;
  background: var(--black);
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 72% 3%, #75411d1f, transparent 30%),
    radial-gradient(circle at 8% 82%, #a7191f0c, transparent 26%),
    var(--black);
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.7;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

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

button {
  border: 0;
}

/* Фоновая атмосфера города */

.app-shell {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  padding: 32px 20px 52px;
}

.app-shell::before {
  position: fixed;
  z-index: -2;
  right: -100px;
  bottom: -40px;
  width: min(760px, 88vw);
  height: 290px;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background:
    linear-gradient(90deg, transparent 0 5%, #cba36b18 5% 5.3%, transparent 5.3%),
    linear-gradient(90deg, transparent 0 22%, #cba36b12 22% 22.3%, transparent 22.3%),
    linear-gradient(90deg, transparent 0 59%, #cba36b14 59% 59.3%, transparent 59.3%),
    linear-gradient(0deg, #cba36b0b, transparent 70%);
  clip-path: polygon(
    0 100%, 0 58%, 8% 58%, 8% 42%, 16% 42%, 16% 69%,
    24% 69%, 24% 32%, 34% 32%, 34% 57%, 43% 57%, 43% 21%,
    52% 21%, 52% 63%, 61% 63%, 61% 39%, 72% 39%, 72% 55%,
    82% 55%, 82% 28%, 91% 28%, 91% 68%, 100% 68%, 100% 100%
  );
}

.app-shell::after {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.16;
  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='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.15'/%3E%3C/svg%3E");
}

.app-container {
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.app-container--narrow {
  width: min(100%, 680px);
}

.centered-screen {
  display: grid;
  min-height: calc(100vh - 84px);
  place-items: center;
}

/* Бренд и шапка */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold2);
}

.brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #cba36b19, transparent 58%);
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 19px;
  font-weight: 600;
  place-items: center;
}

.brand__name {
  font-family: "Cormorant Garamond", serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
}

.brand__division {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: "Montserrat", sans-serif;
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, var(--content-width));
  margin: 0 auto 42px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.app-header__section {
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Типографика */

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.26em;
  line-height: 1.5;
  text-transform: uppercase;
}

.display-title,
.section-title,
.card-title {
  margin: 0;
  color: var(--text);
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  line-height: 0.98;
  text-wrap: balance;
}

.display-title {
  font-size: clamp(42px, 8vw, 78px);
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(32px, 5vw, 50px);
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.card-title {
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.08;
}

.lead {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(14px, 2vw, 17px);
  line-height: 1.8;
}

.text-gold {
  color: var(--gold2);
}

.text-muted {
  color: var(--muted);
}

/* Карточки */

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, #cba36b0e, transparent 46%),
    var(--panel);
  box-shadow: 0 22px 70px #00000055;
}

.panel::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 76px;
  height: 1px;
  content: "";
  background: var(--gold);
}

.panel__body {
  position: relative;
  padding: clamp(26px, 5vw, 48px);
}

.auth-panel {
  width: min(100%, 620px);
  text-align: center;
}

.auth-panel .lead {
  margin-right: auto;
  margin-left: auto;
}

.telegram-widget {
  display: flex;
  min-height: 74px;
  margin-top: 30px;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 2px solid var(--gold);
  background: #cba36b0a;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  text-align: left;
}

/* Кнопки и ссылки */

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 14px 25px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  cursor: pointer;
  background: linear-gradient(#c52a2f, #941319);
  box-shadow:
    0 12px 30px #a7191f30,
    inset 0 1px #ffffff24;
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-align: center;
  text-transform: uppercase;
  transition:
    transform var(--transition),
    filter var(--transition),
    box-shadow var(--transition);
}

.button:hover {
  filter: brightness(1.08);
  box-shadow:
    0 15px 36px #a7191f45,
    inset 0 1px #ffffff2b;
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.button:focus-visible,
.text-link:focus-visible,
.lesson-row:focus-visible,
.path-card:focus-within {
  outline: 2px solid var(--gold2);
  outline-offset: 3px;
}

.button--full {
  width: 100%;
}

.button--secondary {
  border-color: var(--line);
  background: linear-gradient(135deg, #cba36b18, #0c0b09);
  box-shadow: none;
  color: var(--gold2);
}

.button--secondary:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 28px #00000055;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--gold2);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.text-link:hover {
  color: #fff;
}

.text-link--muted {
  color: var(--muted);
}

/* Экран закрытого доступа */

.access-symbol {
  position: relative;
  display: grid;
  width: 92px;
  height: 92px;
  margin: 0 auto 28px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #cba36b15, transparent);
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 42px;
  place-items: center;
  transform: rotate(45deg);
}

.access-symbol span {
  transform: rotate(-45deg);
}

.action-stack {
  display: grid;
  max-width: 390px;
  margin: 30px auto 0;
  gap: 12px;
}

/* Выбор пути */

.page-intro {
  margin-bottom: 34px;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.path-card {
  position: relative;
  display: flex;
  min-height: 340px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, #cba36b12, transparent 40%),
    var(--panel);
  transition:
    border-color var(--transition),
    transform var(--transition),
    background var(--transition);
}

.path-card:hover {
  border-color: var(--gold);
  background:
    linear-gradient(160deg, #cba36b1e, transparent 48%),
    var(--panel-hover);
  transform: translateY(-4px);
}

.path-card__form {
  display: flex;
  width: 100%;
  margin: 0;
}

.path-card__button {
  display: flex;
  width: 100%;
  padding: clamp(26px, 5vw, 42px);
  flex-direction: column;
  align-items: flex-start;
  border: 0;
  cursor: pointer;
  background: transparent;
  color: inherit;
  text-align: left;
}

.path-card__number {
  margin-bottom: auto;
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 58px;
  font-weight: 500;
  line-height: 1;
  opacity: 0.8;
}

.path-card__label {
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.path-card__title {
  margin: 0;
  color: var(--text);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(29px, 4vw, 42px);
  font-weight: 600;
  line-height: 1.04;
}

.path-card__description {
  margin: 16px 0 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.path-card__action {
  color: var(--gold2);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Прогресс */

.progress-panel {
  display: grid;
  margin-bottom: 26px;
  padding: 20px 22px;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  border: 1px solid var(--line);
  background: #0a0a09d9;
}

.progress-panel__caption {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.23em;
  text-transform: uppercase;
}

.progress-panel__track {
  height: 3px;
  overflow: hidden;
  background: #ffffff12;
}

.progress-panel__fill {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold2));
  box-shadow: 0 0 14px #cba36b70;
}

.progress-panel__value {
  color: var(--gold2);
  font-family: "Cormorant Garamond", serif;
  font-size: 29px;
  font-weight: 600;
}

/* Карта курса */

.course-map {
  position: relative;
  display: grid;
  gap: 22px;
}

.course-map::before {
  position: absolute;
  top: 30px;
  bottom: 30px;
  left: 25px;
  width: 1px;
  content: "";
  background: linear-gradient(
    transparent,
    var(--line) 4%,
    var(--line) 96%,
    transparent
  );
}

.district {
  position: relative;
  margin-left: 60px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, #cba36b0e, transparent 46%),
    var(--panel);
}

.district::before {
  position: absolute;
  top: 31px;
  left: -44px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--gold);
  content: "";
  background: var(--black);
  box-shadow: 0 0 0 6px var(--black);
  transform: rotate(45deg);
}

.district--intro {
  border-color: #cba36b78;
}

.district--complete {
  opacity: 0.68;
}

.district--locked {
  opacity: 0.4;
  filter: grayscale(0.6);
}

.district__header {
  display: grid;
  padding: 25px 27px 22px;
  grid-template-columns: 1fr auto;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.district__index {
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.23em;
  text-transform: uppercase;
}

.district__title {
  margin: 0;
  color: var(--text);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(25px, 4vw, 34px);
  font-weight: 600;
  line-height: 1.1;
}

.district__description {
  max-width: 680px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.status-badge {
  align-self: start;
  padding: 7px 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-badge--complete {
  border-color: #9eaa844f;
  color: var(--success);
}

.status-badge--active {
  border-color: #cba36b80;
  color: var(--gold2);
}

.status-badge--soon {
  color: #7f7870;
}

.lesson-list {
  display: grid;
}

.lesson-row {
  display: grid;
  min-height: 68px;
  padding: 14px 27px;
  grid-template-columns: 30px 1fr auto;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid #cba36b1f;
  transition:
    background var(--transition),
    color var(--transition);
}

.lesson-row:last-child {
  border-bottom: 0;
}

a.lesson-row:hover {
  background: #cba36b0a;
}

.lesson-row__status {
  display: grid;
  width: 23px;
  height: 23px;
  border: 1px solid var(--line);
  color: transparent;
  font-size: 11px;
  place-items: center;
  transform: rotate(45deg);
}

.lesson-row__status span {
  transform: rotate(-45deg);
}

.lesson-row__title {
  color: var(--text);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.45;
}

.lesson-row__meta {
  color: var(--gold);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.lesson-row--complete {
  opacity: 0.58;
}

.lesson-row--complete .lesson-row__status {
  border-color: var(--success);
  background: #9eaa8417;
  color: var(--success);
}

.lesson-row--complete .lesson-row__title {
  text-decoration: line-through;
  text-decoration-color: #a8a0965e;
}

.lesson-row--locked,
.lesson-row--soon {
  cursor: default;
  opacity: 0.36;
}

.lesson-row--locked .lesson-row__status,
.lesson-row--soon .lesson-row__status {
  color: var(--muted);
}

.course-footer {
  display: flex;
  margin-top: 32px;
  justify-content: center;
}

/* Экран урока */

.lesson-heading {
  display: grid;
  margin-bottom: 26px;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
}

.video-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, #cba36b0e, transparent 46%),
    #000;
  box-shadow: 0 28px 80px #00000070;
}

.video-frame::before {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: 110px;
  height: 1px;
  pointer-events: none;
  content: "";
  background: var(--gold);
}

.video-frame__ratio {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.video-frame__ratio iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 0;
  inset: 0;
}

.lesson-placeholder {
  display: grid;
  min-height: 360px;
  padding: 40px 24px;
  place-items: center;
  text-align: center;
}

.lesson-placeholder__symbol {
  display: grid;
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  border: 1px solid var(--line);
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 28px;
  place-items: center;
  transform: rotate(45deg);
}

.lesson-placeholder__symbol span {
  transform: rotate(-45deg);
}

.lesson-placeholder__title {
  margin: 0 0 10px;
  font-family: "Cormorant Garamond", serif;
  font-size: 31px;
  font-weight: 600;
}

.lesson-placeholder__text {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* Адаптивность */

@media (max-width: 720px) {
  .app-shell {
    padding: 20px 14px 36px;
  }

  .centered-screen {
    min-height: calc(100vh - 56px);
  }

  .app-header {
    margin-bottom: 28px;
  }

  .app-header__section {
    display: none;
  }

  .brand__name {
    font-size: 18px;
  }

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

  .path-card {
    min-height: 286px;
  }

  .progress-panel {
    padding: 17px;
  }

  .course-map::before {
    left: 10px;
  }

  .district {
    margin-left: 32px;
  }

  .district::before {
    top: 27px;
    left: -27px;
    width: 9px;
    height: 9px;
  }

  .district__header {
    padding: 21px 18px 18px;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .status-badge {
    justify-self: start;
  }

  .lesson-row {
    padding: 14px 18px;
    grid-template-columns: 25px 1fr;
  }

  .lesson-row__meta {
    grid-column: 2;
  }

  .lesson-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .lesson-heading .text-link {
    grid-row: 1;
  }

  .lesson-placeholder {
    min-height: 260px;
  }
}

@media (max-width: 420px) {
  body {
    font-size: 14px;
  }

  .panel__body {
    padding: 25px 19px;
  }

  .button {
    width: 100%;
    padding-right: 16px;
    padding-left: 16px;
  }

  .display-title {
    font-size: 39px;
  }

  .course-map::before,
  .district::before {
    display: none;
  }

  .district {
    margin-left: 0;
  }
}

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