/* =========================================================
   Карпы Кои — стили сайта
   Палитра: вода (тёмный сине-зелёный), кои (оранжевый/красный),
   тёплый кремовый фон, золотые акценты.
   ========================================================= */

:root {
  --water-deep: #0d3b40;
  --water:      #14545b;
  --water-soft: #1f6f78;
  --koi:        #e8632a;
  --koi-red:    #c0392b;
  --gold:       #c9a24b;
  --cream:      #faf6ee;
  --cream-2:    #f3ece0;
  --ink:        #1f2725;
  --ink-soft:   #4a544f;
  --white:      #ffffff;

  --radius:     18px;
  --shadow:     0 18px 40px -20px rgba(13, 59, 64, 0.45);
  --shadow-sm:  0 8px 22px -14px rgba(13, 59, 64, 0.5);
  --maxw:       1160px;
  --ease:       cubic-bezier(.22,.61,.36,1);
}

/* ---------- База ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', system-ui, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Типографика секций ---------- */
.section { padding: 96px 0; }

.section__head { max-width: 640px; margin: 0 auto 56px; text-align: center; }

.section__eyebrow,
.hero__eyebrow {
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 14px;
}

.section__title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  color: var(--water-deep);
}

.section__note { margin-top: 16px; color: var(--ink-soft); }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  cursor: pointer;
  border: none;
}
.btn--primary {
  background: linear-gradient(135deg, var(--koi), var(--koi-red));
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(192, 57, 43, .7);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 20px 38px -12px rgba(192, 57, 43, .8); }
.btn--ghost {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .5);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .22); transform: translateY(-3px); }

/* ---------- Шапка ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 18px 0;
  transition: background .3s, padding .3s, box-shadow .3s;
}
.header.scrolled {
  background: rgba(250, 246, 238, .92);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 6px 24px -18px rgba(0, 0, 0, .6);
}
.header__inner { display: flex; align-items: center; gap: 28px; }

.logo { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.logo__mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .35));
}
.logo__text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
}
.header.scrolled .logo__text { color: var(--water-deep); }

.nav { display: flex; gap: 30px; margin-left: auto; }
.nav__link {
  position: relative;
  font-weight: 500;
  font-size: .95rem;
  color: rgba(255, 255, 255, .9);
  padding: 4px 0;
  transition: color .25s;
}
.header.scrolled .nav__link { color: var(--ink-soft); }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--koi);
  transition: width .25s var(--ease);
}
.nav__link:hover { color: var(--koi); }
.nav__link:hover::after { width: 100%; }

.header__phone {
  font-weight: 600;
  font-size: .95rem;
  color: #fff;
  padding: 9px 18px;
  border: 1.5px solid rgba(255, 255, 255, .45);
  border-radius: 999px;
  transition: all .25s;
  white-space: nowrap;
}
.header__phone:hover { background: var(--koi); border-color: var(--koi); }
.header.scrolled .header__phone { color: var(--water-deep); border-color: rgba(13,59,64,.3); }
.header.scrolled .header__phone:hover { color: #fff; background: var(--koi); border-color: var(--koi); }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.burger span { width: 26px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }
.header.scrolled .burger span { background: var(--water-deep); }

/* ---------- Главный экран ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    radial-gradient(120% 90% at 70% 10%, rgba(31,111,120,.65), transparent 60%),
    linear-gradient(160deg, var(--water-deep) 0%, var(--water) 55%, var(--water-soft) 100%);
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 3; max-width: 820px; padding-top: 80px; }
.hero__eyebrow { color: var(--gold); }
.hero__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.04;
  margin-bottom: 22px;
  text-shadow: 0 8px 30px rgba(0, 0, 0, .25);
}
.hero__subtitle {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 300;
  max-width: 540px;
  color: rgba(255, 255, 255, .9);
  margin-bottom: 36px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Вода и круги на воде */
.hero__water { position: absolute; inset: 0; z-index: 1; opacity: .5; }
.ripple {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, .25);
  border-radius: 50%;
  animation: ripple 7s linear infinite;
}
.ripple:nth-child(1) { width: 200px; height: 200px; top: 20%; left: 8%; }
.ripple:nth-child(2) { width: 320px; height: 320px; top: 55%; left: 70%; animation-delay: 2s; }
.ripple:nth-child(3) { width: 150px; height: 150px; top: 70%; left: 30%; animation-delay: 4s; }
@keyframes ripple {
  0%   { transform: scale(.4); opacity: .6; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Плавающие рыбки */
.hero__fish { position: absolute; z-index: 2; width: 200px; opacity: .9; filter: drop-shadow(0 12px 18px rgba(0,0,0,.3)); }
.hero__fish--1 { top: 22%; right: -220px; animation: swim1 22s linear infinite; }
.hero__fish--2 { top: 64%; right: -260px; width: 150px; opacity: .7; animation: swim2 28s linear infinite; }
.koi { width: 100%; height: auto; }
@keyframes swim1 {
  0%   { transform: translateX(0) rotate(4deg); }
  100% { transform: translateX(-130vw) rotate(-4deg); }
}
@keyframes swim2 {
  0%   { transform: translateX(0) rotate(-3deg); }
  100% { transform: translateX(-130vw) rotate(5deg); }
}

/* Стрелка вниз */
.hero__scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,.6);
  border-radius: 14px;
}
.hero__scroll span {
  position: absolute;
  left: 50%; top: 8px;
  width: 4px; height: 8px;
  margin-left: -2px;
  background: #fff;
  border-radius: 2px;
  animation: scroll 1.6s ease infinite;
}
@keyframes scroll { 0%{opacity:0;transform:translateY(0);} 40%{opacity:1;} 80%{opacity:0;transform:translateY(14px);} 100%{opacity:0;} }

/* ---------- Мини-баннер (внутренние страницы) ---------- */
.page-banner {
  padding: 150px 0 60px;
  color: #fff;
  text-align: center;
  background:
    radial-gradient(120% 90% at 70% 10%, rgba(31,111,120,.65), transparent 60%),
    linear-gradient(160deg, var(--water-deep) 0%, var(--water) 55%, var(--water-soft) 100%);
}
.page-banner__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

/* ---------- Страница политики ---------- */
.policy__content { max-width: 720px; margin: 0 auto; }
.policy__updated { color: var(--ink-soft); font-size: .85rem; margin-bottom: 32px; }
.policy h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  color: var(--water-deep);
  margin: 34px 0 12px;
}
.policy h2:first-of-type { margin-top: 0; }
.policy p { color: var(--ink-soft); margin-bottom: 10px; }
.policy a { color: var(--koi-red); font-weight: 600; }
.policy__back { margin-top: 36px; }

/* ---------- О нас ---------- */
.about { background: var(--cream); }
.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}
.about__lead { font-size: 1.1rem; margin: 22px 0; color: var(--ink-soft); }
.about__list { list-style: none; display: grid; gap: 14px; }
.about__list li {
  position: relative;
  padding-left: 34px;
  font-weight: 500;
}
.about__list li::before {
  content: "鯉";
  position: absolute;
  left: 0; top: -1px;
  width: 24px; height: 24px;
  display: grid; place-items: center;
  font-size: .8rem;
  color: #fff;
  background: var(--koi);
  border-radius: 7px;
}
.about__stats { display: grid; gap: 18px; }
.stat {
  background: linear-gradient(150deg, var(--water-deep), var(--water-soft));
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow);
}
.stat__num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}
.stat__label { font-size: .9rem; color: rgba(255,255,255,.85); }

/* ---------- Каталог ---------- */
.catalog { background: var(--cream-2); }
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 24px 26px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  border: 1px solid rgba(13,59,64,.06);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--koi), var(--gold));
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.card__fish { width: 90px; margin: 0 auto 14px; }
.card__size {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--water-deep);
}
.card__size small { display: block; font-family: 'Montserrat'; font-size: .72rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); margin-top: 2px; }
.card__tag {
  margin-top: 12px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--koi-red);
}
.card__desc {
  margin: 10px 0 20px;
  font-size: .88rem;
  color: var(--ink-soft);
  min-height: 40px;
}
.card__btn {
  display: inline-block;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--water);
  padding: 9px 20px;
  border: 1.5px solid rgba(20,84,91,.25);
  border-radius: 999px;
  transition: all .25s;
}
.card__btn:hover { background: var(--water); color: #fff; border-color: var(--water); }

/* Блок «Что влияет на стоимость» */
.factors {
  margin-top: 40px;
  background: var(--white);
  border: 1px solid rgba(13,59,64,.08);
  border-radius: var(--radius);
  padding: 30px 34px;
  box-shadow: var(--shadow-sm);
}
.factors__title {
  font-weight: 600;
  font-size: .92rem;
  color: var(--water-deep);
  margin-bottom: 20px;
  text-align: center;
}
.factors__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.factor {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.factor__icon { font-size: 1.3rem; flex-shrink: 0; }

.catalog__hint { text-align: center; margin-top: 42px; color: var(--ink-soft); }
.catalog__hint a { color: var(--koi-red); font-weight: 600; }

/* ---------- Уход ---------- */
.care { background: var(--cream); }
.care__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.care__item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease);
}
.care__item:hover { transform: translateY(-6px); }
.care__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  font-size: 1.6rem;
  background: var(--cream-2);
  border-radius: 14px;
  margin-bottom: 18px;
}
.care__item h3 { font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; color: var(--water-deep); margin-bottom: 8px; }
.care__item p { font-size: .94rem; color: var(--ink-soft); }

/* ---------- Частые вопросы ---------- */
.faq { background: var(--cream-2); }
.faq__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 960px;
  margin: 0 auto;
}
.faq__item {
  background: var(--white);
  border: 1px solid rgba(13,59,64,.07);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
}
.faq__q {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--water-deep);
  margin-bottom: 10px;
  position: relative;
  padding-left: 30px;
}
.faq__q::before {
  content: "?";
  position: absolute;
  left: 0; top: 2px;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  color: #fff;
  background: var(--koi);
  border-radius: 7px;
}
.faq__a { font-size: .94rem; color: var(--ink-soft); }

/* ---------- Контакты ---------- */
.contacts { background: linear-gradient(160deg, var(--water-deep), var(--water)); color: #fff; }
.contacts .section__title { color: #fff; }
.contacts .section__note { color: rgba(255,255,255,.8); }
.contacts__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 860px; margin: 0 auto; }
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius);
  padding: 36px 24px;
  transition: transform .3s var(--ease), background .3s;
}
.contact-card:hover { transform: translateY(-6px); background: rgba(255,255,255,.13); }
.contact-card__icon { font-size: 2rem; margin-bottom: 6px; }
.contact-card__label { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }
.contact-card__value { font-size: 1.15rem; font-weight: 600; }
.contact-card__value--address { font-size: 1rem; font-weight: 600; line-height: 1.45; }

/* ---------- Подвал ---------- */
.footer { background: var(--water-deep); color: rgba(255,255,255,.8); padding: 56px 0 36px; text-align: center; }
.footer__inner { display: grid; gap: 12px; place-items: center; }
.logo--footer .logo__text { color: #fff; }
.footer__text { font-size: .95rem; }
.footer__phone { font-size: 1.3rem; font-weight: 700; color: #fff; font-family: 'Cormorant Garamond', serif; }
.footer__copy { font-size: .82rem; color: rgba(255,255,255,.5); margin-top: 8px; }
.footer__link { color: rgba(255,255,255,.6); text-decoration: underline; text-underline-offset: 3px; transition: color .2s; }
.footer__link:hover { color: #fff; }

/* ---------- Кнопка наверх ---------- */
.to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 40;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--koi);
  color: #fff;
  font-size: 1.3rem;
  border-radius: 50%;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity .3s, transform .3s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top:hover { background: var(--koi-red); }

/* ---------- Анимация появления ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Адаптив ---------- */
@media (max-width: 980px) {
  .cards, .care__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__stats { grid-template-columns: repeat(3, 1fr); }
  .factors__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .header__phone { display: none; }
  .factors { padding: 26px 22px; }
  /* На мобильных заголовок стал длиннее — декоративные рыбки убираем,
     чтобы не наезжали на текст */
  .hero__fish { display: none; }
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 320px);
    flex-direction: column;
    gap: 0;
    background: var(--cream);
    padding: 100px 32px 32px;
    box-shadow: -20px 0 60px -20px rgba(0,0,0,.4);
    transform: translateX(100%);
    transition: transform .35s var(--ease);
  }
  .nav.open { transform: none; }
  .nav__link { color: var(--ink); padding: 16px 0; border-bottom: 1px solid rgba(0,0,0,.07); font-size: 1.05rem; }
  .burger { display: flex; margin-left: auto; }
  .contacts__grid { grid-template-columns: 1fr; }
  .about__stats { grid-template-columns: 1fr; }
  .faq__grid { grid-template-columns: 1fr; }
  .faq__item { padding: 24px 22px; }
}

@media (max-width: 460px) {
  .cards, .care__grid { grid-template-columns: 1fr; }
  .factors__grid { grid-template-columns: 1fr; }
}

/* Уважение к настройкам пользователя */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}