/*! HTML5 Boilerplate v9.0.1 | MIT License | https://html5boilerplate.com/ */

/* main.css 3.0.0 | MIT License | https://github.com/h5bp/main.css#readme */
/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */

html {
  color: #222;
  font-size: 1em;
  line-height: 1.4;
}

/*
 * Remove text-shadow in selection highlight:
 * https://twitter.com/miketaylr/status/12228805301
 *
 * Customize the background color to match your design.
 */

::-moz-selection {
  background: #b3d4fc;
  text-shadow: none;
}

::selection {
  background: #b3d4fc;
  text-shadow: none;
}

/*
 * A better looking default horizontal rule
 */

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0;
}

/*
 * Remove the gap between audio, canvas, iframes,
 * images, videos and the bottom of their containers:
 * https://github.com/h5bp/html5-boilerplate/issues/440
 */

audio,
canvas,
iframe,
img,
svg,
video {
  vertical-align: middle;
}

/*
 * Remove default fieldset styles.
 */

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

/*
 * Allow only vertical resizing of textareas.
 */

textarea {
  resize: vertical;
}

/* ==========================================================================
    Author's custom styles
    ========================================================================== */

/* Custom Variables */
:root {
  --primary-color: #0066ff;
  --secondary-color: #ff6b6b;
  --dark-bg: #1a1a2e;
  --card-bg: #16213e;
  --text-light: #eaeaea;
  --text-muted: #b0b0b0;
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar Styles */
.navbar {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 102, 255, 0.2);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

.nav-menu a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 2rem 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
  z-index: -1;
}

.hero-background {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  top: -100px;
  right: -100px;
  animation: float 6s ease-in-out infinite;
  z-index: -1;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0px); }
  50% { transform: translate(30px, 30px); }
}

.hero-content {
  text-align: center;
  z-index: 1;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideUp 0.8s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Button Styles */
.btn {
  padding: 12px 30px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #0052cc);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
}

/* About Section */
.about {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(0, 102, 255, 0.05));
}

.about h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.8;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Skills Section */
.skills {
  padding: 80px 0;
}

.skills h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.skill-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0, 102, 255, 0.1);
  cursor: pointer;
}

.skill-card:hover {
  transform: translateY(-10px);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(255, 107, 107, 0.1));
  border-color: var(--primary-color);
  box-shadow: 0 15px 40px rgba(0, 102, 255, 0.2);
}

.skill-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.skill-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.skill-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Tech Stack Section */
.tech-stack {
  padding: 80px 0;
  background: linear-gradient(180deg, rgba(0, 102, 255, 0.05), transparent);
}

.tech-stack h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-badge {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(255, 107, 107, 0.2));
  color: var(--primary-color);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-weight: 600;
  border: 1px solid var(--primary-color);
  transition: var(--transition);
}

.tech-badge:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.05);
}

/* Contact Section */
.contact {
  padding: 80px 0;
  text-align: center;
}

.contact h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--card-bg);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid rgba(0, 102, 255, 0.2);
  color: var(--text-muted);
}

/* Responsive Design */
@media only screen and (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .nav-menu {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .hero-buttons,
  .contact-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  h2 {
    font-size: 2rem !important;
  }

  .hero-background {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
  }
}

/* ==========================================================================
   Helper classes
   ========================================================================== */

/*
 * Hide visually and from screen readers
 */

.hidden,
[hidden] {
  display: none !important;
}

/*
 * Hide only visually, but have it available for screen readers:
 * https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
 *
 * 1. For long content, line feeds are not interpreted as spaces and small width
 *    causes content to wrap 1 word per line:
 *    https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
 */

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

/*
 * Extends the .visually-hidden class to allow the element
 * to be focusable when navigated to via the keyboard:
 * https://www.drupal.org/node/897638
 */

.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  white-space: inherit;
  width: auto;
}

/*
 * Hide visually and from screen readers, but maintain layout
 */

.invisible {
  visibility: hidden;
}

/*
 * Clearfix: contain floats
 *
 * The use of `table` rather than `block` is only necessary if using
 * `::before` to contain the top-margins of child elements.
 */

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

/* ==========================================================================
   EXAMPLE Media Queries for Responsive Design.
   These examples override the primary ('mobile first') styles.
   Modify as content requires.
   ========================================================================== */

@media only screen and (min-width: 35em) {
  /* Style adjustments for viewports that meet the condition */
}

@media print,
  (-webkit-min-device-pixel-ratio: 1.25),
  (min-resolution: 1.25dppx),
  (min-resolution: 120dpi) {
  /* Style adjustments for high resolution devices */
}

/* ==========================================================================
   Print styles.
   Inlined to avoid the additional HTTP request:
   https://www.phpied.com/delay-loading-your-print-css/
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    /* Black prints faster */
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
  }

  abbr[title]::after {
    content: " (" attr(title) ")";
  }

  /*
   * Don't show links that are fragment identifiers,
   * or use the `javascript:` pseudo protocol
   */
  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }

  pre {
    white-space: pre-wrap !important;
  }

  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }
}