:root {
  color-scheme: light;
  --paper: #fffaf0;
  --paper-soft: #f7edda;
  --gold: #a77a2e;
  --gold-deep: #7c551c;
  --ink: #2e241b;
  --muted: #6f6254;
  --line: rgba(105, 77, 42, 0.22);
  --blue: #415d66;
  --shadow: rgba(58, 40, 18, 0.18);
  --hero-x: 50%;
  --hero-y: 50%;
  --progress: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.48) 1px, transparent 1px) 0 0 / 78px 78px,
    linear-gradient(180deg, rgba(124, 85, 28, 0.06), transparent 260px),
    var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.75;
}

body[dir="ltr"] {
  font-family: Georgia, "Times New Roman", serif;
}

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

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

.skip-link {
  position: fixed;
  top: 12px;
  inset-inline-start: 12px;
  z-index: 50;
  transform: translateY(-140%);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  position: relative;
  overflow: hidden;
}

.progress-rail {
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  width: 4px;
  height: 100vh;
  z-index: 30;
  background: rgba(124, 85, 28, 0.12);
}

.progress-rail::after {
  content: "";
  display: block;
  width: 100%;
  height: calc(var(--progress) * 100%);
  background: linear-gradient(180deg, #f7d79a, var(--gold), var(--blue));
}

.topbar {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 34px;
  color: var(--ink);
  background: rgba(255, 250, 240, 0.72);
  border-bottom: 1px solid rgba(124, 85, 28, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(167, 122, 46, 0.28);
  box-shadow: 0 8px 24px rgba(124, 85, 28, 0.13);
}

.brand span {
  display: grid;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 0.72rem;
}

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

.nav a {
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--gold-deep);
  border: 1px solid rgba(167, 122, 46, 0.34);
  font-size: 0.92rem;
}

.nav a:hover,
.nav a:focus-visible {
  background: rgba(167, 122, 46, 0.12);
  outline: none;
}

.hero {
  min-height: 100vh;
  min-height: 100svh;
  position: relative;
  display: grid;
  place-items: center;
  padding: 96px 18px 34px;
  isolation: isolate;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 241, 210, 0.88), rgba(247, 237, 218, 0.48) 36%, rgba(255, 250, 240, 0.96) 72%),
    linear-gradient(180deg, #fffdf7 0%, var(--paper) 100%);
  transform: translate3d(calc((var(--hero-x) - 50%) * -0.035), calc((var(--hero-y) - 50%) * -0.025), 0) scale(1.03);
  transition: transform 160ms linear;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at var(--hero-x) var(--hero-y), rgba(255, 237, 196, 0.32), transparent 230px),
    linear-gradient(180deg, rgba(255, 250, 240, 0) 72%, var(--paper) 100%);
  pointer-events: none;
}

.hero-cover-frame {
  position: relative;
  width: min(48vw, 560px);
  max-width: min(92vw, 560px);
  animation: cover-breathe 8s ease-in-out infinite;
  filter: drop-shadow(0 26px 42px rgba(92, 60, 22, 0.18));
}

.hero-cover-he {
  width: min(48vw, 560px, calc((100svh - 132px) * 0.6666));
}

.hero-cover-en {
  width: min(48vw, 560px, calc((100svh - 132px) * 0.6952));
}

.hero-cover {
  width: 100%;
  height: auto;
  max-height: calc(100svh - 132px);
  object-fit: contain;
}

.hero-cover-button {
  position: absolute;
  left: 50%;
  z-index: 3;
  width: auto;
  min-width: 180px;
  max-width: 72%;
  margin: 0;
  padding: 10px 22px;
  white-space: nowrap;
  box-shadow: 0 14px 34px rgba(46, 36, 27, 0.22);
  transform: translateX(-50%);
}

.hero-cover-he .hero-cover-button {
  top: 67.3%;
}

.hero-cover-en .hero-cover-button {
  top: 65.6%;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.08;
}

h1,
h2 {
  font-size: 3.15rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(124, 85, 28, 0.32);
  background: rgba(255, 250, 240, 0.76);
  color: var(--ink);
  font-size: 0.96rem;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  background: #fffdf6;
  border-color: rgba(124, 85, 28, 0.54);
  outline: none;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #473420;
  border-color: #473420;
}

.hero-cover-button:hover,
.hero-cover-button:focus-visible {
  transform: translateX(-50%) translateY(-2px);
}

.scroll-cue {
  position: absolute;
  bottom: 26px;
  inset-inline: 0;
  margin: auto;
  width: 120px;
}

.scroll-cue::after {
  content: "";
  display: block;
  width: 1px;
  height: 42px;
  margin: 10px auto 0;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: breathe-line 2.8s ease-in-out infinite;
}

.section {
  min-height: 78vh;
  display: grid;
  align-items: center;
  padding: 72px 7vw;
  border-top: 1px solid rgba(124, 85, 28, 0.11);
  scroll-margin-top: 88px;
}

.section-inner {
  width: min(1120px, 100%);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 0.72fr 1.15fr 0.78fr;
  gap: 54px;
  align-items: center;
}

.section.no-visual .section-inner {
  grid-template-columns: 0.72fr minmax(0, 1.65fr);
}

.personal-section {
  min-height: 70vh;
  padding-top: 58px;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(65, 93, 102, 0.06), transparent 42%),
    rgba(255, 250, 240, 0.68);
}

.section-meta {
  display: grid;
  align-content: start;
  gap: 14px;
}

.section-kicker {
  color: var(--gold-deep);
  font-size: 0.93rem;
  font-weight: 700;
}

.section-copy {
  display: grid;
  gap: 14px;
  max-width: 710px;
}

.section-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.16rem;
}

.lead {
  color: var(--ink) !important;
  font-size: 1.32rem !important;
}

.visual-panel {
  position: relative;
  min-height: 320px;
  display: grid;
  place-items: center;
}

.pendulum {
  position: relative;
  width: min(430px, 84vw);
  height: 310px;
  border-bottom: 1px solid rgba(124, 85, 28, 0.22);
}

.pendulum::before {
  content: "";
  position: absolute;
  top: 26px;
  inset-inline: 0;
  margin: auto;
  width: 260px;
  height: 1px;
  background: rgba(65, 93, 102, 0.28);
}

.pendulum-arm {
  position: absolute;
  top: 26px;
  inset-inline: 0;
  margin: auto;
  width: 2px;
  height: 205px;
  background: linear-gradient(180deg, var(--blue), rgba(65, 93, 102, 0.28));
  transform-origin: 50% 0;
  animation: pendulum 5.8s ease-in-out infinite;
}

.pendulum-arm::after {
  content: "";
  position: absolute;
  bottom: -26px;
  inset-inline-start: -26px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 32%, #fff5d8, var(--gold) 52%, var(--gold-deep));
  box-shadow: 0 18px 38px rgba(124, 85, 28, 0.22);
}

.pendulum-labels {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

.books {
  padding: 72px 7vw;
  background: #fbf3e5;
  scroll-margin-top: 88px;
}

.books-head {
  width: min(900px, 100%);
  margin: 0 auto 24px;
  text-align: center;
}

.book-grid {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}

.book-card {
  min-height: 255px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px;
  border: 1px solid rgba(124, 85, 28, 0.16);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.64);
  box-shadow: 0 18px 50px rgba(58, 40, 18, 0.08);
}

.tag {
  color: var(--gold-deep);
  font-size: 0.78rem;
  font-weight: 700;
}

.book-card h3 {
  font-size: 1.45rem;
}

.book-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.book-card a {
  align-self: end;
  color: var(--gold-deep);
  font-weight: 700;
}

.about-contact {
  padding: 76px 7vw 56px;
  scroll-margin-top: 88px;
}

.about-grid {
  width: min(790px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
}

.about-copy {
  display: grid;
  gap: 15px;
  text-align: center;
}

.about-copy h2 {
  font-size: 2.7rem;
}

.about-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.contact-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.back-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 22;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(124, 85, 28, 0.2);
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.9);
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 7vw 34px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-logo {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
}

.error-page {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 104px 22px 48px;
  overflow: hidden;
  isolation: isolate;
}

.error-page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 50% 36%, rgba(255, 240, 204, 0.9), rgba(247, 237, 218, 0.52) 38%, rgba(255, 250, 240, 0.96) 72%),
    linear-gradient(180deg, #fffdf7 0%, var(--paper) 100%);
}

.error-brand {
  position: absolute;
  top: 24px;
  inset-inline-start: 28px;
}

.error-card {
  width: min(650px, 100%);
  display: grid;
  gap: 16px;
  text-align: center;
}

.error-card h1 {
  font-size: clamp(2.4rem, 8vw, 4.8rem);
}

.error-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.error-card .actions {
  justify-content: center;
}

.error-en {
  direction: ltr;
  font-family: Georgia, "Times New Roman", serif;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@keyframes breathe-line {
  0%,
  100% {
    transform: scaleY(0.65);
    opacity: 0.42;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes pendulum {
  0%,
  100% {
    transform: rotate(-18deg);
  }
  50% {
    transform: rotate(18deg);
  }
}

@keyframes cover-breathe {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 1040px) {
  .section-inner,
  .section.no-visual .section-inner,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .visual-panel {
    min-height: 300px;
  }

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

@media (max-width: 720px) {
  .topbar {
    padding: 12px 16px;
  }

  .brand span {
    font-size: 0.98rem;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .hero {
    padding: 80px 10px 24px;
  }

  .hero-cover-frame {
    width: min(91vw, 430px);
    max-width: 91vw;
  }

  .hero-cover-he {
    width: min(91vw, 430px, calc((100svh - 106px) * 0.6666));
  }

  .hero-cover-en {
    width: min(91vw, 430px, calc((100svh - 106px) * 0.6952));
  }

  .hero-cover {
    max-height: calc(100svh - 106px);
  }

  .hero-cover-button.button {
    width: auto;
    min-width: 154px;
    max-width: 68%;
    min-height: 40px;
    padding: 8px 16px;
    font-size: 0.88rem;
  }

  .section,
  .books,
  .about-contact {
    padding: 54px 22px;
  }

  .section {
    min-height: auto;
  }

  .personal-section {
    padding-top: 42px;
  }

  h1,
  h2 {
    font-size: 2.1rem;
  }

  .actions,
  .contact-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section-copy p,
  .lead,
  .about-copy p {
    font-size: 1.02rem !important;
  }

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

  .pendulum {
    width: 100%;
  }

  .progress-rail {
    width: 3px;
  }
}

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