:root {
  color-scheme: light;
  --ink: #191714;
  --muted: #615d55;
  --paper: #fbf7ef;
  --paper-deep: #efe5d3;
  --line: rgba(25, 23, 20, 0.14);
  --teal: #0f5b55;
  --teal-dark: #0b3835;
  --saffron: #c9791d;
  --rose: #a45c68;
  --white: #fffdf8;
  --shadow: 0 22px 70px rgba(31, 24, 16, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(18px, 4vw, 54px);
  color: var(--white);
}

.brand,
.nav-links {
  border: 1px solid rgba(255, 253, 248, 0.22);
  background: rgba(20, 18, 14, 0.26);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 14px 8px 8px;
  border-radius: 999px;
  font-weight: 760;
}

.brand-mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--saffron);
  color: #17110a;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 6px;
  border-radius: 999px;
}

.nav-links a {
  min-height: 32px;
  padding: 7px 13px;
  border-radius: 999px;
  color: rgba(255, 253, 248, 0.9);
  font-size: 0.91rem;
}

.nav-links a:hover {
  background: rgba(255, 253, 248, 0.14);
}

.hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 108px clamp(20px, 7vw, 94px) 52px;
  background: #17120d;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  background:
    radial-gradient(circle at 76% 15%, rgba(255, 211, 128, 0.36), rgba(255, 211, 128, 0) 26%),
    linear-gradient(90deg, rgba(15, 13, 10, 0.9) 0%, rgba(15, 13, 10, 0.64) 43%, rgba(15, 13, 10, 0.12) 100%),
    linear-gradient(180deg, rgba(15, 13, 10, 0.18), rgba(15, 13, 10, 0.54));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, 100%);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--saffron);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 690px;
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.45rem, 8vw, 6.35rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 22px;
  color: rgba(255, 253, 248, 0.86);
  font-size: clamp(1.06rem, 2vw, 1.32rem);
  line-height: 1.52;
}

.signature-panel {
  display: grid;
  gap: 8px;
  width: min(620px, 100%);
  padding: 12px;
  border: 1px solid rgba(255, 253, 248, 0.22);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.12);
  backdrop-filter: blur(18px);
}

.signature-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.signature-panel label,
.opportunity-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 750;
}

.signature-head span {
  flex: 0 0 auto;
  color: rgba(255, 253, 248, 0.72);
  font-size: 0.82rem;
  font-weight: 800;
}

.signature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.signature-panel input[type="text"],
.signature-panel input[type="url"],
.signature-panel input:not([type]),
.signature-panel textarea {
  width: 100%;
  border: 1px solid rgba(255, 253, 248, 0.22);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  outline: 0;
}

.signature-panel input:not([type]) {
  min-height: 40px;
  padding: 0 12px;
}

.signature-panel textarea {
  resize: vertical;
  min-height: 58px;
  padding: 9px 12px;
}

.visibility-choice {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.visibility-choice label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 253, 248, 0.18);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.1);
  color: rgba(255, 253, 248, 0.86);
  cursor: pointer;
}

.visibility-choice input {
  accent-color: var(--saffron);
}

.signature-panel button,
.opportunity-form button,
.pay-button {
  border: 0;
  border-radius: 6px;
  background: var(--teal);
  color: var(--white);
  cursor: pointer;
  font-weight: 800;
}

.signature-panel button {
  min-height: 40px;
  padding: 0 18px;
}

.form-note {
  min-height: 20px;
  margin: 9px 0 0;
  color: rgba(255, 253, 248, 0.74);
  font-size: 0.9rem;
}

.intro-band,
.section,
.footer {
  padding-inline: clamp(20px, 7vw, 94px);
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding-block: 34px;
  border-bottom: 1px solid var(--line);
  background: var(--teal-dark);
  color: var(--white);
}

.intro-copy p {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.32rem, 3vw, 2rem);
  line-height: 1.35;
}

.signal-strip {
  display: grid;
  gap: 8px;
  min-width: min(360px, 100%);
}

.signal-strip span {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 253, 248, 0.2);
  color: rgba(255, 253, 248, 0.78);
  font-size: 0.92rem;
}

.section {
  padding-block: clamp(64px, 9vw, 112px);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.topic-card {
  display: grid;
  align-content: space-between;
  min-height: 210px;
  padding: 24px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.topic-card span {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.7vw, 2.2rem);
  line-height: 1.04;
}

.topic-card small {
  max-width: 260px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.topic-card.active,
.topic-card:hover {
  background: var(--white);
}

.topic-card.active {
  box-shadow: inset 0 0 0 3px var(--saffron);
}

.diary-section {
  background: var(--paper-deep);
}

.diary-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(24px, 5vw, 64px);
}

.diary-feature {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.diary-feature time {
  display: block;
  margin-bottom: 28px;
  color: var(--rose);
  font-weight: 800;
}

.diary-feature h3 {
  max-width: 820px;
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4.4vw, 4.2rem);
  line-height: 1.02;
}

.diary-feature p {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.diary-feature a {
  display: inline-flex;
  margin-top: 14px;
  color: var(--teal);
  font-weight: 850;
}

.note-list {
  display: grid;
  align-content: start;
  border-top: 1px solid rgba(25, 23, 20, 0.25);
}

.note-list button {
  min-height: 82px;
  border: 0;
  border-bottom: 1px solid rgba(25, 23, 20, 0.25);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  font-weight: 800;
}

.note-list button:hover {
  color: var(--teal);
}

.split-section {
  background: var(--white);
}

.conversation-section {
  background: var(--white);
}

.conversation-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(360px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
}

.conversation-copy h3 {
  max-width: 520px;
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
}

.conversation-copy p {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.telegram-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 6px;
  background: var(--teal);
  color: var(--white);
  font-weight: 850;
}

.telegram-link:hover {
  background: var(--teal-dark);
}

.chat-app {
  display: grid;
  gap: 16px;
}

.chat-start,
.chat-room,
.public-notes {
  display: grid;
  gap: 12px;
  padding: clamp(16px, 3vw, 22px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.chat-start[hidden],
.chat-room[hidden] {
  display: none;
}

.chat-start textarea,
.chat-message-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  outline: 0;
  resize: vertical;
  padding: 12px;
}

.chat-start input {
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  outline: 0;
}

.dark-choice label {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.chat-start button,
.chat-message-form button,
.chat-room-head button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  background: var(--teal);
  color: var(--white);
  cursor: pointer;
  font-weight: 800;
}

.chat-room-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.chat-room-head div {
  display: grid;
  gap: 2px;
}

.chat-room-head span,
.chat-status,
.empty-state {
  color: var(--muted);
  font-size: 0.9rem;
}

.message-list,
.note-wall {
  display: grid;
  gap: 10px;
}

.message-list {
  max-height: 420px;
  overflow: auto;
  padding-right: 4px;
}

.message-item,
.public-note {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.message-item.from-chand {
  margin-left: clamp(16px, 8vw, 72px);
  border-color: rgba(15, 91, 85, 0.25);
}

.message-item.from-visitor {
  margin-right: clamp(16px, 8vw, 72px);
}

.message-meta,
.message-chips,
.chat-message-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.message-meta {
  justify-content: space-between;
}

.message-meta span,
.message-chips span {
  color: var(--muted);
  font-size: 0.8rem;
}

.message-item p,
.public-note p {
  margin: 0;
  color: var(--ink);
  line-height: 1.55;
}

.message-chips span {
  padding: 4px 7px;
  border-radius: 999px;
  background: var(--paper-deep);
}

.chat-message-form {
  display: grid;
  gap: 10px;
}

.chat-message-actions {
  justify-content: space-between;
}

.chat-message-actions label {
  color: var(--muted);
  font-size: 0.9rem;
}

.chat-message-actions select {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
}

.opportunity-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(26px, 6vw, 88px);
  align-items: start;
}

.opportunity-panel h3 {
  max-width: 500px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
}

.opportunity-panel p {
  max-width: 580px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.opportunity-form {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.opportunity-form input,
.opportunity-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  outline: 0;
}

.opportunity-form input {
  min-height: 46px;
  padding: 0 12px;
}

.opportunity-form textarea {
  resize: vertical;
  padding: 12px;
}

.opportunity-form button {
  min-height: 48px;
}

.opportunity-form .form-note {
  color: var(--muted);
}

.contribution-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  background: var(--teal-dark);
  color: var(--white);
}

.contribution-copy {
  max-width: 760px;
}

.contribution-copy p:not(.eyebrow) {
  margin-bottom: 0;
  color: rgba(255, 253, 248, 0.76);
  font-size: 1.08rem;
  line-height: 1.65;
}

.contribution-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: min(480px, 100%);
}

.currency-toggle,
.amount-presets,
.payment-methods {
  display: grid;
  grid-column: 1 / -1;
  gap: 10px;
}

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

.amount-presets {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.currency-toggle label {
  display: grid;
  min-height: 42px;
  cursor: pointer;
}

.currency-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.currency-toggle span {
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 253, 248, 0.28);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.08);
  color: var(--white);
  font-weight: 850;
}

.currency-toggle input:checked + span {
  background: var(--white);
  color: var(--teal-dark);
}

.amount-button {
  min-height: 46px;
  border: 1px solid rgba(255, 253, 248, 0.28);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.08);
  color: var(--white);
  cursor: pointer;
  font-weight: 800;
}

.amount-button.active,
.amount-button:hover {
  background: var(--saffron);
  color: #1a1208;
}

.pay-button {
  display: grid;
  grid-column: 1 / -1;
  min-height: 52px;
  place-items: center;
  background: var(--white);
  color: var(--teal-dark);
}

.custom-amount-label {
  grid-column: 1 / -1;
  color: rgba(255, 253, 248, 0.76);
  font-size: 0.84rem;
  font-weight: 800;
}

.custom-amount-row {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: auto 1fr;
  align-items: center;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid rgba(255, 253, 248, 0.24);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
}

.custom-amount-row span {
  color: var(--teal-dark);
  font-weight: 900;
}

.custom-amount-row input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  padding-left: 10px;
}

.contribution-actions .signature-grid,
.contribution-actions textarea,
.payment-status {
  grid-column: 1 / -1;
}

.contribution-actions input:not([type="radio"]),
.contribution-actions textarea {
  width: 100%;
  border: 1px solid rgba(255, 253, 248, 0.24);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  outline: 0;
}

.contribution-actions input:not([type="radio"]) {
  min-height: 44px;
  padding: 0 12px;
}

.contribution-actions textarea {
  resize: vertical;
  min-height: 58px;
  padding: 10px 12px;
}

.payment-methods {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.payment-methods span {
  display: grid;
  min-height: 34px;
  place-items: center;
  border: 1px solid rgba(255, 253, 248, 0.2);
  border-radius: 999px;
  color: rgba(255, 253, 248, 0.82);
  font-size: 0.82rem;
  font-weight: 800;
}

.payment-status {
  min-height: 20px;
  margin: 0;
  color: rgba(255, 253, 248, 0.76);
  font-size: 0.9rem;
  line-height: 1.45;
}

.pay-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 26px;
  background: #16130f;
  color: rgba(255, 253, 248, 0.72);
}

.footer p {
  margin: 0;
}

.footer div {
  display: flex;
  gap: 18px;
}

.footer a:hover {
  color: var(--white);
}

@media (max-width: 920px) {
  .hero {
    min-height: 88svh;
  }

  .intro-band,
  .diary-layout,
  .conversation-layout,
  .opportunity-panel,
  .contribution-section {
    grid-template-columns: 1fr;
  }

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

  .contribution-actions {
    width: 100%;
  }

  .signature-panel {
    width: min(680px, 100%);
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: start;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 12px;
  }

  .brand {
    max-width: calc(100vw - 120px);
  }

  .hero {
    min-height: 92svh;
    padding: 96px 18px 34px;
  }

  h1 {
    font-size: clamp(3.1rem, 18vw, 4.85rem);
  }

  .signature-panel {
    gap: 9px;
    padding: 12px;
  }

  .signature-head,
  .signature-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .signature-head {
    gap: 4px;
  }

  .signature-panel textarea {
    min-height: 58px;
  }

  .signature-panel .form-note {
    display: none;
  }

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

  .topic-card {
    min-height: 168px;
  }

  .section-heading {
    display: block;
  }

  .chat-message-actions {
    display: grid;
  }

  .message-item.from-chand,
  .message-item.from-visitor {
    margin-inline: 0;
  }

  .contribution-actions {
    grid-template-columns: 1fr;
  }

  .pay-button {
    grid-column: auto;
  }

  .footer {
    display: grid;
  }
}