/* Шрифт OverusedGrotesk */
@font-face {
  font-family: 'OverusedGrotesk';
  src: url('../fonts/OverusedGrotesk.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

/* Переменные цветов Future стилистики */
:root {
  --bg-primary: #19191d;
  --accent-primary: #fb8ea2;
  --accent-secondary: #ffff9e;
  --text-primary: #ffffff;
  --text-secondary: #b8b8c8;
  --border-color: rgba(251, 142, 162, 0.15);
  --glass-bg: rgba(25, 25, 29, 0.7);
  --shadow-glow: 0 0 30px rgba(251, 142, 162, 0.2);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --radius-lg: 20px;
  --radius-md: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Базовые стили */
* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Overused Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  letter-spacing: 0.3px;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Viewport */
.viewport {
  height: 100dvh;
  overflow-y: scroll;
  overflow-x: hidden;
  position: relative;
  scroll-snap-type: none;
  -webkit-overflow-scrolling: touch;
}

/* Секции */
section{
  height:100dvh;
  position:relative;
  display:flex; 
  align-items:center; 
  justify-content:center;
  padding:clamp(20px,4vw,48px) clamp(20px,4vw,48px) 100px;
  isolation:isolate;
  overflow: hidden;
  will-change: transform;
}

section#projects {
  height: auto;
  min-height: 100dvh;
  overflow: visible;
  align-items: flex-start;
  padding-top: clamp(40px, 8vw, 80px);
}

/* Топ навигация */
.top-nav {
  position: fixed;
  top: 20px;
  left: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.top-nav > * {
  pointer-events: auto;
}

/* Кнопки навигации */
.lang-toggle,
.projects-nav {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 2px;
}

.lang-btn,
.nav-btn {
  padding: 6px 10px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all 0.2s var(--ease);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
}

.lang-btn.active,
.nav-btn:hover {
  background: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}

.lang-btn:hover:not(.active) {
  background: rgba(251, 142, 162, 0.1);
  color: var(--text-primary);
}


/* Меню социальных сетей */
.social-menu {
  margin-top: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s var(--ease);
  pointer-events: none;
}

.social-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 10px 12px;
  box-shadow: var(--shadow-glow);
}

.social-links a {
  height: 40px;
  width: 40px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--border-color);
  background: rgba(251, 142, 162, 0.05);
  transition: all 0.25s var(--ease);
  font-size: 18px;
}

.social-links a:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  background: rgba(251, 142, 162, 0.2);
  box-shadow: var(--shadow-glow);
  color: var(--accent-primary);
}

/* Размер иконок в социальных сетях */
.social-links a .iconify {
  width: 24px !important;
  height: 24px !important;
  font-size: 24px !important;
}

/* Стрелка к проектам */
.projects-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 28px;
  animation: pulse-arrow 1.5s ease-in-out infinite;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.projects-arrow:hover {
  color: var(--accent-secondary);
  transform: scale(1.1);
}

@keyframes pulse-arrow {
  0%, 100% {
    opacity: 0.4;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateY(8px);
  }
}

/* Красивый скроллбар */
.viewport::-webkit-scrollbar {
  width: 10px;
}

.viewport::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.viewport::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
  transition: all 0.3s var(--ease);
}

.viewport::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-secondary), var(--accent-primary));
  box-shadow: var(--shadow-glow);
}

/* Firefox скроллбар */
.viewport {
  scrollbar-color: var(--accent-primary) var(--bg-primary);
  scrollbar-width: thin;
}

/* Hero секция */
.hero {
  z-index: 1;
  width: min(1100px, 94vw);
  display: grid;
  place-items: center;
  gap: 20px;
  text-align: center;
}

/* Никнейм в заголовке */
.nickname {
  font-weight: 700;
  color: var(--accent-primary);
}

h1 {
  margin: 0;
  font-weight: 600;
  line-height: 1.04;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

/* Подзаголовок */
.subtitle {
  margin: 2px 0 0;
  color: var(--text-secondary);
  font-size: clamp(16px, 2.4vw, 18px);
  font-weight: 500;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 12px;
}

.subtitle-part {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.subtitle-part .iconify {
  font-size: 1.2em;
}

.separator {
  color: var(--text-secondary);
  opacity: 0.5;
}

/* CTA кнопки */
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  background: rgba(251, 142, 162, 0.05);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all 0.25s var(--ease);
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  background: rgba(251, 142, 162, 0.15);
  box-shadow: var(--shadow-glow);
}

.btn-accent {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, rgba(251, 142, 162, 0.2), rgba(255, 255, 158, 0.05));
  box-shadow: var(--shadow-glow);
}

.btn-accent:hover {
  background: linear-gradient(135deg, rgba(251, 142, 162, 0.3), rgba(255, 255, 158, 0.1));
}

/* Подсказка */
.hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.9;
}

.hint .iconify {
  font-size: 20px;
  animation: bounce 1.8s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* Анимация появления */
.reveal {
  opacity: 0;
  transform: translateY(10px);
}

.reveal.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

/* Мобильная адаптивность */
@media (max-width: 768px) {
  section {
    padding: clamp(10px, 2vw, 20px) clamp(15px, 3vw, 30px) 60px;
  }

  section#projects {
    height: auto;
    min-height: auto;
    overflow: visible;
    align-items: flex-start;
    padding: clamp(20px, 4vw, 40px) clamp(15px, 3vw, 30px);
  }

  .hero {
    gap: 14px;
  }

  h1 {
    margin-top: 0;
  }

  .lang-toggle {
    top: 80px;
    right: 20px;
    left: auto;
  }

  .projects-arrow {
    font-size: 24px;
  }

  .viewport::-webkit-scrollbar {
    width: 8px;
  }
}

/* Глитч эффект для будущего стиля */
@keyframes glitch {
  0% { text-shadow: 2px 0 var(--accent-primary), -2px 0 var(--accent-secondary); }
  50% { text-shadow: -2px 0 var(--accent-primary), 2px 0 var(--accent-secondary); }
  100% { text-shadow: 2px 0 var(--accent-primary), -2px 0 var(--accent-secondary); }
}

.glitch {
  animation: glitch 0.3s infinite;
}