/* =====================================================
   ПЕРЕМЕННЫЕ / ГЛОБАЛЬНЫЕ НАСТРОЙКИ
===================================================== */
:root {
  /* Палитра */
  --color-bg: #111315;
  --color-bg-soft: #16191c;
  --color-card: rgba(255, 255, 255, 0.08);
  --color-card-border: rgba(255, 255, 255, 0.12);
  --color-text: #ffffff;
  --color-text-secondary: #b8b8b8;
  --color-accent: #4f8cff;
  --color-accent-2: #5c6cff;

  /* Типографика */
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Скругления */
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;

  /* Тени */
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.45);
  --shadow-btn: 0 10px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(79, 140, 255, 0.25), 0 10px 30px rgba(79, 140, 255, 0.25);

  /* Тайминги анимаций */
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-base: 0.35s var(--ease-smooth);
  --transition-slow: 0.6s var(--ease-smooth);
}

/* =====================================================
   RESET / БАЗОВЫЕ СТИЛИ
===================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* Утилита для скрытых, но доступных для скринридеров элементов */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Уважаем пользователей, отключивших анимации */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =====================================================
   ФОН: градиент + размытые круги (blobs)
===================================================== */
.background {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(120% 120% at 20% 10%, var(--color-bg-soft) 0%, var(--color-bg) 55%, #0b0c0e 100%);
  opacity: 0;
  animation: bgFadeIn 1.4s var(--ease-smooth) forwards;
}

@keyframes bgFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
  transition: transform 0.6s ease-out;
}

.blob--one {
  width: clamp(280px, 40vw, 560px);
  height: clamp(280px, 40vw, 560px);
  top: -10%;
  left: -8%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.35;
}

.blob--two {
  width: clamp(240px, 35vw, 480px);
  height: clamp(240px, 35vw, 480px);
  bottom: -12%;
  right: -10%;
  background: radial-gradient(circle, var(--color-accent-2) 0%, transparent 70%);
  opacity: 0.3;
}

.blob--three {
  width: clamp(180px, 25vw, 360px);
  height: clamp(180px, 25vw, 360px);
  bottom: 20%;
  left: 30%;
  background: radial-gradient(circle, #7a5cff 0%, transparent 70%);
  opacity: 0.18;
}

/* Едва заметный шум поверх фона — убирает "плоскость" градиента */
.noise-overlay {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%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)' opacity='0.03'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* =====================================================
   ГЛАВНЫЙ КОНТЕЙНЕР
===================================================== */
.page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 6vw, 64px) clamp(16px, 5vw, 32px);
}

/* =====================================================
   КАРТОЧКА ПРОФИЛЯ (Glassmorphism)
===================================================== */
.card {
  position: relative;
  width: min(420px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(32px, 6vw, 48px) clamp(24px, 5vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  box-shadow: var(--shadow-card);

  /* Стартовое состояние для анимации выезда снизу */
  opacity: 0;
  transform: translateY(48px);
  animation: cardEnter 0.9s var(--ease-smooth) 0.25s forwards;
}

@keyframes cardEnter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* --- Аватар --- */
.card__avatar-wrap {
  position: relative;
  width: clamp(88px, 18vw, 120px);
  height: clamp(88px, 18vw, 120px);
  margin-bottom: 20px;

  opacity: 0;
  transform: scale(0.6);
  animation: avatarPop 0.7s var(--ease-smooth) 0.5s forwards;
}

@keyframes avatarPop {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.card__avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.card__status {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #57d38c;
  border: 3px solid var(--color-bg);
}

/* --- Имя --- */
.card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  letter-spacing: -0.02em;
  margin-bottom: 10px;

  opacity: 0;
  transform: translateY(12px);
  animation: textIn 0.6s var(--ease-smooth) 0.65s forwards;
}

/* --- Описание --- */
.card__desc {
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  color: var(--color-text-secondary);
  max-width: 34ch;
  margin-bottom: clamp(24px, 5vw, 32px);

  opacity: 0;
  transform: translateY(12px);
  animation: textIn 0.6s var(--ease-smooth) 0.78s forwards;
}

@keyframes textIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =====================================================
   БЛОК СО ССЫЛКАМИ / КНОПКИ
===================================================== */
.links {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Кнопка-ссылка: создаётся динамически в script.js */
.link-btn {
  --i: 0; /* индекс кнопки, задаётся из JS для stagger-анимации */

  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  text-align: left;
  overflow: hidden;
  cursor: pointer;

  opacity: 0;
  transform: translateY(16px);
  animation: btnIn 0.5s var(--ease-smooth) forwards;
  animation-delay: calc(0.9s + var(--i) * 0.08s);

  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base),
    border-color var(--transition-base);
}

@keyframes btnIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.link-btn__icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  font-size: 1.05rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.link-btn__label {
  flex: 1;
  font-weight: 500;
}

.link-btn__arrow {
  flex: 0 0 auto;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Ховер-состояние кнопки: подъём, увеличение, тень, свечение акцентом */
.link-btn:hover,
.link-btn:focus-visible {
  transform: translateY(-3px) scale(1.02);
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(79, 140, 255, 0.35);
  box-shadow: var(--shadow-btn), var(--shadow-glow);
}

.link-btn:hover .link-btn__icon,
.link-btn:focus-visible .link-btn__icon {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #ffffff;
}

.link-btn:hover .link-btn__arrow,
.link-btn:focus-visible .link-btn__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* Нажатие: лёгкое уменьшение масштаба */
.link-btn:active {
  transform: translateY(-1px) scale(0.97);
  transition: transform 0.12s var(--ease-smooth);
}

.link-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* =====================================================
   ПОДВАЛ
===================================================== */
.footer {
  text-align: center;
  padding: 20px 16px 28px;
  color: var(--color-text-secondary);
  font-size: 0.8rem;

  opacity: 0;
  animation: textIn 0.6s var(--ease-smooth) 1.4s forwards;
}

/* =====================================================
   АДАПТИВНОСТЬ
===================================================== */

/* Планшеты */
@media (max-width: 768px) {
  .card {
    width: min(400px, 100%);
  }
}

/* Большие телефоны */
@media (max-width: 576px) {
  .card {
    border-radius: var(--radius-md);
    padding: 28px 20px;
  }

  .link-btn {
    padding: 12px 16px;
  }
}

/* Средние телефоны */
@media (max-width: 425px) {
  .links {
    gap: 10px;
  }

  .link-btn__icon {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }
}

/* Маленькие телефоны */
@media (max-width: 375px) {
  .card {
    padding: 24px 16px;
  }

  .card__desc {
    max-width: 30ch;
  }
}

/* Очень маленькие экраны */
@media (max-width: 320px) {
  .link-btn__label {
    font-size: 0.85rem;
  }
}

/* Большие десктопные экраны — чуть просторнее */
@media (min-width: 1440px) {
  .card {
    width: 460px;
  }
}