/* ROCOY — refined stylesheet
   Palette: warm cream, deep navy, toned amber
   Type: Fraunces (display) + Inter (body)
*/

:root {
  --color-bg: #FAF6ED;
  --color-surface: #FFFFFF;
  --color-surface-warm: #F4EEDF;
  --color-text: #1A1F2B;
  --color-text-muted: #6B6960;
  --color-text-soft: #8E8B80;
  --color-accent: #B5812D;
  --color-accent-deep: #8F6420;
  --color-accent-soft: #E8D7A8;
  --color-border: #E8E2D1;
  --color-border-strong: #D8D1BE;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --font-display: 'Fraunces', 'Source Serif 4', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --transition: 0.2s ease;
  --container: min(1160px, 92%);
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

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

a { color: var(--color-accent-deep); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-text); }

.container { width: var(--container); margin: 0 auto; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-text);
  color: var(--color-bg);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.skip-link:focus { left: 12px; top: 12px; z-index: 9999; }

/* Typography */
h1, h2 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  line-height: 1.15;
  font-variation-settings: "opsz" 48;
}

h1 { font-size: clamp(34px, 4.8vw, 54px); }
h2 { font-size: clamp(26px, 3.2vw, 38px); }
h3 { font-size: 20px; font-family: var(--font-body); font-weight: 600; color: var(--color-text); letter-spacing: -0.005em; margin: 0 0 10px; }

p { margin: 0 0 14px; color: var(--color-text); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
  font-weight: 600;
  margin: 0 0 14px;
}

.intro {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 40px;
  line-height: 1.55;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 237, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
  position: relative;
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--color-text); text-decoration: none; }
.brand:hover { color: var(--color-text); }
.logo { width: 40px; height: 40px; border-radius: 50%; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: 0.005em; }
.brand-tagline { font-size: 11px; color: var(--color-text-muted); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 2px; }

.desktop-nav { display: flex; gap: 2px; }
.desktop-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 15px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}
.desktop-nav a:hover { color: var(--color-accent-deep); background: rgba(181, 129, 45, 0.06); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.lang-btn {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-btn:hover { border-color: var(--color-accent); color: var(--color-accent-deep); }

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
}
.mobile-menu-btn span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  width: 22px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 8px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 14px 24px; color: var(--color-text); font-weight: 500; text-decoration: none; }
.mobile-menu a:hover { background: var(--color-surface-warm); }

/* Hero */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(ellipse 80% 60% at 85% 20%, rgba(181, 129, 45, 0.07), transparent 60%),
    var(--color-bg);
}
.hero-inner { max-width: 860px; }
.hero h1 { margin-bottom: 22px; }
.hero-text {
  font-size: clamp(18px, 1.9vw, 22px);
  color: var(--color-text-muted);
  margin-bottom: 36px;
  line-height: 1.55;
  max-width: 720px;
}

.cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.btn-primary { background: var(--color-text); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-deep); color: var(--color-bg); }
.btn-ghost { background: transparent; border-color: var(--color-border-strong); color: var(--color-text); }
.btn-ghost:hover { border-color: var(--color-text); background: rgba(26, 31, 43, 0.03); }

/* Book section (dark inversion — echoes cover) */
.book {
  background: #0F1521;
  color: var(--color-bg);
  padding: 72px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.book::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 90% 50%, rgba(181, 129, 45, 0.12), transparent 60%);
  pointer-events: none;
}
.book-inner {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 56px;
  align-items: center;
  position: relative;
}
.book .eyebrow { color: var(--color-accent); }
.book h2 {
  color: var(--color-bg);
  font-size: clamp(24px, 2.6vw, 32px);
  margin-bottom: 8px;
}
.book-subtitle {
  color: var(--color-accent-soft);
  font-family: var(--font-display);
  font-size: 17px;
  font-style: italic;
  margin-bottom: 18px;
}
.book p { color: rgba(250, 246, 237, 0.82); max-width: 580px; font-size: 16px; line-height: 1.6; }

.link-amber {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 3px;
  display: inline-block;
  margin-top: 6px;
}
.link-amber:hover { color: var(--color-accent-soft); border-color: var(--color-accent-soft); }

.book-cover {
  max-width: 240px;
  margin-left: auto;
}
.book-cover img {
  width: 100%;
  height: auto;
  display: block;
}
.book-cover-inner {
  position: absolute;
  inset: 0;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  color: #FFFFFF;
  font-family: var(--font-display);
  line-height: 1;
}
.book-cover-inner .bc-top {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}
.book-cover-inner .bc-big {
  font-family: var(--font-body);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: #FFFFFF;
  text-transform: uppercase;
}
.book-cover-inner .bc-small {
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin: 6px 0 2px;
  font-weight: 500;
  font-family: var(--font-body);
}
.book-cover-inner .bc-accent {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-accent);
  line-height: 1;
  text-transform: uppercase;
}
.book-cover-inner .bc-rule {
  display: block;
  width: 36px;
  height: 1px;
  background: var(--color-accent);
  margin: 10px 0;
}
.book-cover-inner .bc-author {
  margin-top: auto;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-body);
}

/* Sections */
.section { padding: 88px 0; }
.approach { background: var(--color-surface-warm); }
.contact { background: var(--color-surface-warm); }

/* Grids */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Cards */
.card {
  background: var(--color-surface);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease, border-color var(--transition);
}
.card.visible { opacity: 1; transform: translateY(0); }
.card:hover { border-color: var(--color-border-strong); }
.card h3 { margin: 0 0 10px; font-size: 19px; }
.card p { color: var(--color-text-muted); font-size: 15px; margin: 0; line-height: 1.55; }

/* Approach steps */
.approach-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.approach-steps li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  counter-increment: step;
}
.approach-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent-deep);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 14px;
}
.approach-steps h3 { font-size: 18px; margin-bottom: 6px; }
.approach-steps p { color: var(--color-text-muted); font-size: 14.5px; margin: 0; line-height: 1.55; }
.approach-footer { color: var(--color-text-muted); font-size: 15px; margin-top: 32px; max-width: 720px; font-style: italic; line-height: 1.6; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}
.about-photo {
  border-radius: var(--radius);
  width: 260px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.about-creds {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 8px;
}
.about-creds li {
  font-size: 14px;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
}
.about-creds li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 1px;
  background: var(--color-accent);
}

/* Contact */
form { display: grid; gap: 18px; max-width: 560px; }
.field { display: grid; gap: 6px; }
label { font-weight: 600; font-size: 13px; color: var(--color-text); letter-spacing: 0.02em; }
input, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  font-size: 15px;
  font-family: var(--font-body);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(181, 129, 45, 0.15);
}
textarea { resize: vertical; min-height: 110px; }
.form-status { font-size: 14px; color: var(--color-text-muted); min-height: 20px; padding-top: 4px; }

/* Footer */
footer { padding: 36px 0; border-top: 1px solid var(--color-border); font-size: 13px; color: var(--color-text-muted); }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

/* Focus states */
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Mobile */
@media (max-width: 860px) {
  .desktop-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .header-actions { gap: 6px; }
  .lang-btn { padding: 6px 12px; font-size: 12px; }
  .brand-tagline { display: none; }

  .hero { padding: 64px 0 56px; }
  .section { padding: 60px 0; }

  .book { padding: 52px 0; }
  .book-inner { grid-template-columns: 1fr; gap: 32px; }
  .book-cover { max-width: 170px; order: -1; }

  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .approach-steps { grid-template-columns: 1fr; }

  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-photo { width: 200px; }

  .footer-row { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
  .card { opacity: 1; transform: none; }
}