/* =========================================================================
   dendenlarin — design system (warm minimal)
   Палитра: тёплый крем + единственный терракотовый акцент.
   Шрифты: Fraunces (дисплейный сериф) + Hanken Grotesk (текст/интерфейс).
   ========================================================================= */

/* --- Переменные темы --- */
:root {
  /* Поверхности */
  --bg:        #F4EDE0;   /* тёплый крем — основной фон */
  --bg-2:      #EFE6D5;
  --surface:   #FBF7EF;   /* карточки/блоки */
  --surface-2: #EDE3D2;

  /* Текст */
  --ink:       #221E19;   /* тёплый почти-чёрный */
  --ink-soft:  #3B342B;
  --muted:     #6E655A;   /* приглушённый текст */
  --line:      #E0D6C3;   /* хайрлайн-разделители */

  /* Акцент — терракота */
  --accent:      #BF5A38;
  --accent-deep: #A0492C;
  --accent-soft: #E8C5B2;

  /* Вторичный, очень сдержанный — олива (метки, точки) */
  --olive:     #7B7A52;

  /* Типографика */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Метрики */
  --container: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --shadow-soft: 0 1px 2px rgba(34,30,25,0.04),
                 0 12px 30px -18px rgba(34,30,25,0.22);
  --shadow-lift: 0 2px 4px rgba(34,30,25,0.05),
                 0 26px 50px -24px rgba(34,30,25,0.30);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 460;
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0;
  /* Мягкая «характерная» настройка Fraunces */
  font-variation-settings: "opsz" 144, "SOFT" 60, "WONK" 0;
}

::selection { background: var(--accent-soft); color: var(--ink); }

/* Доступность: видимый фокус */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* Скрытая ссылка «к содержимому» */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 1000;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

/* --- Атмосфера: зерно + тёплое свечение --- */
/* Тонкое зерно поверх всего */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.40;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}
/* Тёплое радиальное свечение в левом верхнем углу */
body::after {
  content: "";
  position: fixed;
  top: -20vh;
  left: -10vw;
  width: 70vw;
  height: 70vw;
  max-width: 900px;
  max-height: 900px;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at center,
              rgba(191,90,56,0.10), rgba(191,90,56,0) 60%);
}

/* --- Контейнер --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 2;
}

/* --- Шапка/навигация --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

/* Логотип-вордмарк */
.wordmark {
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
  font-variation-settings: "opsz" 40, "SOFT" 50, "WONK" 1;
}
.wordmark .dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.nav-cta::after { display: none; }
.nav-cta .arrow { color: var(--accent); transition: transform 0.25s var(--ease); }
.nav-cta:hover .arrow { transform: translate(2px, -2px); }

/* На мобильных прячем середину навигации, оставляем CTA */
.nav-links .nav-mid { display: flex; gap: 34px; }

/* --- Кнопки --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.25s var(--ease),
              border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: #FBF7EF;
  box-shadow: 0 14px 26px -16px rgba(160,73,44,0.9);
}
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }

/* --- Метка раздела (eyebrow) --- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.section-index {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
}

/* --- Hero --- */
.hero {
  padding: clamp(64px, 11vw, 140px) 0 clamp(56px, 8vw, 96px);
  position: relative;
}
.hero-inner { max-width: 960px; }
.hero h1 {
  font-size: clamp(2.7rem, 7.2vw, 5.4rem);
  margin-top: 26px;
  letter-spacing: -0.025em;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 80, "WONK" 1;
}
.hero-sub {
  margin-top: 30px;
  max-width: 600px;
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  color: var(--ink-soft);
  line-height: 1.6;
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Факты под hero (честные, без фейковых цифр) */
.hero-facts {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-fact {
  background: var(--surface);
  padding: 26px 28px;
}
.hero-fact dt {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.hero-fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 460;
  color: var(--ink);
  font-variation-settings: "opsz" 60, "SOFT" 40;
}

/* --- Общие отступы разделов --- */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  max-width: 14ch;
}
.section-head .lead {
  max-width: 38ch;
  color: var(--muted);
  font-size: 1.05rem;
}

/* --- Services (карточки) --- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 34px 34px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
              border-color 0.3s var(--ease);
  overflow: hidden;
}
.card::before {
  /* Тонкая акцентная линия сверху, проявляется на ховере */
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lift);
  border-color: var(--accent-soft);
}
.card:hover::before { transform: scaleX(1); }
.card .num {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--accent);
  font-variation-settings: "opsz" 40, "WONK" 1;
  display: block;
  margin-bottom: 22px;
}
.card h3 {
  font-size: 1.55rem;
  margin-bottom: 12px;
}
.card p { color: var(--muted); margin: 0; font-size: 1rem; }

/* --- Approach (большая цитата) --- */
.approach { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.approach-quote {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  max-width: 22ch;
  font-variation-settings: "opsz" 144, "SOFT" 60;
}
.approach-quote em { font-style: italic; color: var(--accent); }
.approach-body {
  margin-top: 28px;
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

/* --- Channels (пилюли) --- */
.channels-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.channels-list li {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}
.channels-list li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.channels-list li:hover { border-color: var(--accent-soft); transform: translateY(-2px); }

/* --- Contact --- */
.contact { text-align: center; }
.contact .eyebrow { justify-content: center; }
.contact h2 {
  font-size: clamp(2.2rem, 5.4vw, 4rem);
  margin: 22px auto 0;
  max-width: 16ch;
}
.contact h2 em { font-style: italic; color: var(--accent); }
.contact p { margin: 26px auto 0; max-width: 46ch; color: var(--muted); font-size: 1.12rem; }
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 38px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  color: var(--ink);
  font-variation-settings: "opsz" 80, "SOFT" 40;
  position: relative;
}
.contact-email::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0.0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.contact-email:hover::after { transform: scaleX(1); }

/* --- Footer --- */
.site-footer {
  background: var(--ink);
  color: #E9E1D3;
  padding: 72px 0 36px;
  position: relative;
  z-index: 2;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(233,225,211,0.14);
}
.footer-brand .wordmark { color: #F4EDE0; font-size: 1.6rem; }
.footer-brand .wordmark .dot { color: var(--accent); }
.footer-brand p {
  margin-top: 16px;
  max-width: 34ch;
  color: rgba(233,225,211,0.66);
  font-size: 0.98rem;
}
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(233,225,211,0.5);
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-col a {
  color: rgba(233,225,211,0.82);
  font-size: 0.98rem;
  transition: color 0.2s var(--ease);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.86rem;
  color: rgba(233,225,211,0.5);
}
.footer-disclosure {
  margin-top: 22px;
  font-size: 0.86rem;
  color: rgba(233,225,211,0.45);
  max-width: 70ch;
}

/* =========================================================================
   Документальные страницы (Terms / Privacy)
   ========================================================================= */
.doc-hero { padding: clamp(56px, 8vw, 96px) 0 0; }
.doc-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  margin-top: 22px;
}
.doc-hero .updated { margin-top: 16px; color: var(--muted); font-size: 0.95rem; }

.doc {
  padding: clamp(40px, 6vw, 64px) 0 clamp(64px, 9vw, 110px);
  max-width: 760px;
}
.doc .intro {
  font-size: 1.16rem;
  color: var(--ink-soft);
  line-height: 1.6;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}
.doc section { padding: 30px 0; border-bottom: 1px solid var(--line); }
.doc section:last-of-type { border-bottom: none; }
.doc h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  display: flex;
  gap: 14px;
  align-items: baseline;
}
.doc h2 .n {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.doc h3 { font-size: 1.15rem; margin: 22px 0 8px; }
.doc p, .doc li { color: var(--ink-soft); font-size: 1.02rem; }
.doc p { margin: 0 0 14px; }
.doc ul { padding-left: 20px; margin: 0 0 14px; }
.doc li { margin-bottom: 8px; }
.doc a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.doc a:hover { color: var(--accent); }
.doc .callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 8px 0 16px;
}
.doc .callout p:last-child { margin-bottom: 0; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 8px;
  transition: color 0.2s var(--ease), gap 0.2s var(--ease);
}
.back-link:hover { color: var(--ink); gap: 12px; }

/* =========================================================================
   Анимация появления
   ========================================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
/* Стаггер для группы элементов */
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.40s; }

/* =========================================================================
   Адаптив
   ========================================================================= */
@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .container { padding: 0 20px; }
  .nav-links .nav-mid { display: none; }   /* прячем середину меню на мобильных */
  .cards { grid-template-columns: 1fr; }
  .hero-facts { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; margin-bottom: 38px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
}

@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}

/* Уважение к prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}