/* Critical CSS - Above the fold styles */
/* Font preloading for better performance */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("https://fonts.gstatic.com/s/inter/v12/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2")
    format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://fonts.gstatic.com/s/inter/v12/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2")
    format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("https://fonts.gstatic.com/s/inter/v12/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2")
    format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("https://fonts.gstatic.com/s/inter/v12/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2")
    format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
}

:root {
  --accent: #3988ff;
  --black: #000000;
  --gray: #1d1c21;
  --white: #ffffff;
  --light-gray: #e7e7e7;
}

html {
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

body {
  min-height: 100vh;
  height: 100%;
  line-height: 1.5;
  background-color: var(--black);
  color: var(--light-gray);
  font-display: swap;
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

/* Header Critical Styles */
.main-container {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.head-left img {
  height: 40px;
  width: auto;
}

header ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

header ul li a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

header ul li a:hover {
  color: var(--accent);
}

.button-box button {
  background: var(--accent);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.button-box button:hover {
  color: #2d6fd8;
}

/* Hero Section Critical Styles */
.main-hero-background {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--black) 0%, #1a1a1a 100%);
  position: relative;
  overflow: hidden;
}

.main-hero-headline {
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
  z-index: 2;
}

.main-hero-headline h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.main-hero-headline p {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--light-gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
  html,
  body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
  }

  .main-container {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
  }

  header {
    padding: 1rem;
  }

  header ul {
    gap: 1rem;
  }

  .head-left img {
    height: 32px;
  }

  .button-box button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* Loading States */
.loading {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--accent);
  color: var(--white);
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}