/* ==========================================================================
   Анна Кондрашова — сайт-визитка
   Стилистика взята из референса (презентация "impulse experience forum"):
   тёмный индиго-фон, фиолетовые градиентные пятна с зерном, крупная жирная
   типографика, акцентный фиолетовый цвет, иконки-галочки в кружках.
   ========================================================================== */

:root {
  /* Цветовая палитра из референса */
  --bg: #0b0a1c;
  --bg-soft: #120f2c;
  --surface: #171335;
  --surface-border: rgba(255, 255, 255, 0.09);

  --purple-700: #4c1fb8;
  --purple-600: #6a2ee8;
  --purple-500: #8b3ffa;
  --purple-400: #a970ff;
  --purple-300: #c7a4ff;

  --text-primary: #f6f4fb;
  --text-secondary: #c7c2de;
  --text-muted: #8d87ab;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;

  --container-width: 1160px;

  font-size: 16px;
}

/* ---------- Сброс и базовые настройки ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, p, dl, dd, dt {
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Учитываем высоту фиксированной шапки при переходе по якорям
   (в т.ч. из живого предпросмотра в админке — блок статистики и карточки услуг) */
section[id],
#stats,
[id^="service-"] {
  scroll-margin-top: 84px;
}

/* ---------- Анимации появления при скролле ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal,
  .reveal.is-visible {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* ---------- Шапка ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 10, 28, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* Гамбургер-кнопка (видна только на мобильных) */
.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  z-index: 110;
}

.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--bg-soft);
  padding: 12px 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.nav.is-open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.nav__link {
  padding: 12px 4px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color 0.2s ease;
}

.nav__link:last-child {
  border-bottom: none;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--text-primary);
}

.nav__link--cta {
  margin-top: 8px;
  text-align: center;
  border: 1px solid var(--purple-400);
  border-radius: 999px;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--purple-600), var(--purple-500));
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--purple-600), var(--purple-400));
  color: #fff;
  box-shadow: 0 12px 30px -10px rgba(139, 63, 250, 0.65);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -8px rgba(139, 63, 250, 0.8);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--purple-400);
  color: var(--purple-300);
}

/* ---------- Общие элементы секций ---------- */
.section-eyebrow {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--purple-400);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 720px;
  margin-bottom: 40px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 132px 0 80px;
  isolation: isolate;
}

.hero__blob {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 900px;
  height: 900px;
  max-width: 140vw;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--purple-500) 0%, var(--purple-700) 45%, transparent 72%);
  filter: blur(10px);
  opacity: 0.75;
  z-index: -2;
}

/* Зернистая текстура поверх пятна, как в референсе */
.hero__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__vertical-label {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  display: none;
}

.hero__inner {
  display: flex;
  flex-direction: column-reverse;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple-300);
  background: rgba(139, 63, 250, 0.14);
  border: 1px solid rgba(169, 112, 255, 0.35);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero__title {
  font-size: clamp(2.6rem, 9vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: 20px;
}

.hero__subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  max-width: 46ch;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__photo-wrap {
  position: relative;
  width: min(280px, 62vw);
  aspect-ratio: 4 / 5;
  flex-shrink: 0;
}

.hero__photo-glow {
  position: absolute;
  inset: -14%;
  background: radial-gradient(circle, var(--purple-500) 0%, transparent 65%);
  opacity: 0.55;
  filter: blur(20px);
  z-index: -1;
}

.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}

/* ---------- Обо мне ---------- */
.about {
  padding: 84px 0;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.about__text p {
  color: var(--text-secondary);
  margin-bottom: 18px;
  max-width: 64ch;
}

.about__subheading {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 30px;
  margin-bottom: 14px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-secondary);
}

.check-list__icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--purple-400);
  color: var(--purple-300);
  font-size: 0.72rem;
  margin-top: 2px;
}

.clients {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.clients li {
  padding: 8px 16px;
  /* Фиксированный (не «pill») радиус — при border-radius: 999px длинный текст,
     переносящийся на несколько строк, визуально наезжал на скруглённые углы.
     var(--radius-sm) одинаково хорошо смотрится и на коротком названии
     компании, и на длинном тексте в несколько строк — не нужно править
     вручную при каждом изменении контента. */
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Цифры и факты */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px 20px;
  align-content: start;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
}

.stats__number {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff, var(--purple-300));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats__label {
  color: var(--text-muted);
  font-size: 0.86rem;
  margin-top: 6px;
  line-height: 1.4;
}

/* ---------- Услуги ---------- */
.services {
  position: relative;
  padding: 84px 0;
  background: var(--bg-soft);
  overflow: hidden;
}

.services__grain {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  position: relative;
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(169, 112, 255, 0.4);
  box-shadow: 0 20px 40px -22px rgba(106, 46, 232, 0.55);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(139, 63, 250, 0.28), rgba(106, 46, 232, 0.1));
  border: 1px solid rgba(169, 112, 255, 0.35);
  color: var(--purple-300);
  font-size: 1.1rem;
}

.card__title {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card__text {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ---------- Контакты ---------- */
.contacts {
  padding: 84px 0 60px;
}

.contacts__lead {
  color: var(--text-secondary);
  max-width: 50ch;
  margin-bottom: 40px;
}

.contacts__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  transition: transform 0.25s ease, border-color 0.25s ease;
  text-decoration: none;
  color: inherit;
  cursor: default;
}

a.contact-card {
  cursor: pointer;
}

.contact-card:hover,
.contact-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(169, 112, 255, 0.45);
}

.contact-card__icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-600), var(--purple-400));
  color: #fff;
}

.contact-card__icon svg {
  width: 22px;
  height: 22px;
}

.contact-card__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.contact-card__label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.contact-card__value {
  font-weight: 700;
  font-size: 1rem;
  word-break: break-word;
}

.legal {
  margin-top: 36px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- Текстовый блок ---------- */
.text-block {
  padding: 84px 0;
}

.text-block__body {
  color: var(--text-secondary);
  max-width: 64ch;
  font-size: 1.05rem;
  margin-bottom: 28px;
}

/* ---------- Отзывы ---------- */
.testimonials {
  padding: 84px 0;
  background: var(--bg-soft);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.testimonial-card {
  margin: 0;
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--surface-border);
}

.testimonial-card__quote {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0 0 18px;
}

.testimonial-card__author {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.testimonial-card__name {
  font-weight: 700;
}

.testimonial-card__role {
  color: var(--text-muted);
  font-size: 0.86rem;
}

/* ---------- Частые вопросы ---------- */
.faq {
  padding: 84px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--surface-border);
}

.faq-item__question {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--purple-400);
  margin-left: 12px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__answer {
  margin: 14px 0 0;
  color: var(--text-secondary);
}

/* ---------- Галерея ---------- */
.gallery {
  padding: 84px 0;
  background: var(--bg-soft);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.gallery-grid__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
}

/* ---------- Видео ---------- */
.video-block {
  padding: 84px 0;
}

.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--surface-border);
  background: #000;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-block__caption {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

@media (min-width: 640px) {
  .testimonial-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Подвал ---------- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 26px 0 40px;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer__up {
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer__up:hover,
.footer__up:focus-visible {
  color: var(--purple-300);
}

/* ==========================================================================
   Планшет: от 640px — открываем горизонтальное меню, двухколоночные сетки
   ========================================================================== */
@media (min-width: 640px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }

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

/* ==========================================================================
   Десктоп: от 900px — прячем гамбургер, показываем строку навигации
   ========================================================================== */
@media (min-width: 900px) {
  .burger {
    display: none;
  }

  .nav {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 28px;
    background: transparent;
    border: none;
    padding: 0;
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: none;
  }

  .nav__link {
    padding: 6px 2px;
    border-bottom: none;
  }

  .nav__link--cta {
    margin-top: 0;
    padding: 10px 22px;
  }

  .hero__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .hero__text {
    max-width: 560px;
  }

  .hero__photo-wrap {
    width: 340px;
  }

  .hero__vertical-label {
    display: block;
  }

  .about__grid {
    grid-template-columns: 1.3fr 0.9fr;
    align-items: start;
  }

  .stats {
    position: sticky;
    top: 100px;
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .contacts__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1180px) {
  :root {
    font-size: 17px;
  }
}