/* --- ROOT VARIABLES (RETRO THEME) --- */
:root {
  --bg-color: #050505; /* Pure Black */
  --card-bg: #0a0a0a; /* Very Dark Gray */
  --text-main: #cccccc; /* Off-white, slightly dimmed for CRT feel */
  --text-muted: #888888; /* Gray */
  --primary: #0aff00; /* Phosphor Green */
  --secondary: #00ffcc; /* Cyan */
  --error: #ff3333; /* Error Red */
  --border-color: #333333;

  --font-mono: "Fira Code", monospace;
  --nav-height: 80px;
}

/* --- RESET & BASE STYLES --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  /* CRT Glow Effect on Text */
  text-shadow: 0 0 2px rgba(10, 255, 0, 0.2);
}

/* --- CUSTOM SCROLLBAR (Retro Block) --- */
::-webkit-scrollbar {
  width: 14px;
  background: #000;
  border-left: 1px solid var(--border-color);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border: 2px solid #000;
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.5);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

/* --- SELECTION (Invert Colors) --- */
::selection {
  background: var(--primary);
  color: #000;
  text-shadow: none;
}

/* --- CRT MONITOR OVERLAYS --- */
.background-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: linear-gradient(rgba(10, 255, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 255, 0, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -2;
  pointer-events: none;
}

.scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.2),
    rgba(0, 0, 0, 0.2) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 9998;
  pointer-events: none;
  opacity: 0.6;
}

.crt-vignette {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(
    circle,
    rgba(0, 0, 0, 0) 60%,
    rgba(0, 0, 0, 0.6) 100%
  );
  box-shadow: inset 0 0 150px rgba(0, 0, 0, 0.7);
  z-index: 9998;
  pointer-events: none;
}

/* --- BOOT SEQUENCE SCREEN --- */
#boot-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000;
  color: var(--primary);
  font-family: var(--font-mono);
  z-index: 10000;
  padding: 2rem;
  font-size: 0.9rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
}

.boot-log {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}

.log-line {
  opacity: 0; /* Hidden initially */
  display: block;
  white-space: pre-wrap;
  word-break: break-all;
}

.log-line.visible {
  opacity: 1;
}

.log-ok {
  color: var(--primary);
  font-weight: bold;
}
.log-warn {
  color: #ffaa00;
}
.log-err {
  color: var(--error);
}
.log-info {
  color: var(--secondary);
}

/* --- DOWNLOAD OVERLAY --- */
#download-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  z-index: 20000; /* Above boot screen */
  display: none;
  align-items: center;
  justify-content: center;
}
.download-terminal {
  width: 90%;
  max-width: 600px;
  background: #000;
  border: 2px solid var(--primary);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  box-shadow: 10px 10px 0 var(--border-color);
  color: var(--text-main);
}
.dl-line {
  margin-bottom: 5px;
  word-wrap: break-word;
}
.dl-progress-bar {
  margin-top: 10px;
  margin-bottom: 10px;
  white-space: pre;
  color: var(--primary);
  font-weight: bold;
}

/* --- NAVIGATION --- */
nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--nav-height);
  position: sticky;
  top: 0;
  background: rgba(5, 5, 5, 0.95);
  border-bottom: 2px solid var(--primary); /* Thicker retro line */
  z-index: 1000;
  padding: 0 5%;
}

.logo {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.logo span {
  color: var(--text-main);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1rem;
  position: relative;
  transition: color 0.1s; /* Faster/Snappier transition */
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(10, 255, 0, 0.1);
}

.nav-links a::before {
  content: "> ";
  opacity: 0;
  color: var(--primary);
}

.nav-links a:hover::before {
  opacity: 1;
}

/* --- HAMBURGER MENU (Mobile) --- */
#hamburger-nav {
  display: none;
}

.hamburger-menu {
  position: relative;
  display: inline-block;
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
  cursor: pointer;
  z-index: 1003;
}

.hamburger-icon span {
  width: 100%;
  height: 4px; /* Blockier */
  background-color: var(--primary);
  transition: all 0.2s steps(4); /* Retro choppy animation */
}

.hamburger-icon.open span:first-child {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger-icon.open span:nth-child(2) {
  opacity: 0;
}
.hamburger-icon.open span:last-child {
  transform: rotate(-45deg) translate(9px, -9px);
}

.menu-links {
  position: fixed;
  top: 0;
  right: -100%;
  height: 100vh;
  width: 100%;
  background-color: #000;
  border-left: 2px solid var(--primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  transition: right 0.3s cubic-bezier(0, 1, 0, 1); /* Mechanical easing */
  z-index: 1001;
}

.menu-links.open {
  right: 0;
}
.menu-links li {
  list-style: none;
}

.menu-links a {
  font-size: 1.5rem;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  padding: 10px 20px;
  border: 1px solid transparent;
}

.menu-links a:hover {
  color: var(--primary);
  border: 1px dashed var(--primary);
}

/* --- SECTIONS --- */
section {
  padding-top: 2rem;
  min-height: 90vh;
  margin: 0 10%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 4rem;
  position: relative;
}

.title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
}

.title::before {
  content: "root@dhabal:~# ";
  color: var(--primary);
  font-size: 0.6em;
  display: block;
  margin-bottom: 5px;
  text-transform: lowercase;
}

.section__text__p1 {
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  font-family: monospace;
}

/* --- PROFILE SECTION --- */
#profile {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5rem;
  min-height: calc(100vh - var(--nav-height));
}

.section__pic-container {
  display: flex;
  height: 350px;
  width: 350px;
  margin: auto 0;
  border: 2px solid var(--primary);
  box-shadow: 8px 8px 0px var(--text-muted);
  overflow: hidden;
  flex-shrink: 0;
  background: #000;
}

.section__pic-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(120%) brightness(90%);
  transition: filter 0.3s;
  /* Simulated Interlace */
  background: repeating-linear-gradient(
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.5) 3px
  );
}

.section__pic-container:hover img {
  filter: grayscale(0%) contrast(100%) brightness(100%);
}

.section__text {
  flex: 1;
}

.section__text__p2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  min-height: 1.5em;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  text-align: center;
}

/* Block Cursor */
.typed-cursor {
  display: inline-block;
  width: 12px;
  height: 1.5rem;
  background-color: var(--primary);
  animation: blink 0.8s steps(2, start) infinite; /* Hard blink */
}

@keyframes blink {
  to {
    visibility: hidden;
  }
}

/* --- BUTTONS (Retro Style) --- */
.btn-container {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  font-weight: 600;
  padding: 0.9rem 1.8rem;
  border-radius: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  transition: all 0.1s;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: none !important;
}

.btn-primary {
  background: var(--primary);
  color: #000;
  border: 2px solid var(--primary);
  box-shadow: 4px 4px 0px rgba(10, 255, 0, 0.4);
}

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

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--text-muted);
  box-shadow: 4px 4px 0px var(--text-muted);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 4px 4px 0px var(--primary);
}

/* --- SOCIALS --- */
#socials-container {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  gap: 2rem;
}

.social-icon {
  color: var(--text-muted);
  font-size: 2rem;
  transition: all 0.2s;
  padding: 10px;
}

.social-icon:hover {
  color: var(--primary);
  text-shadow: 2px 2px 0px rgba(10, 255, 0, 0.5);
  transform: translateY(-2px);
}

/* --- ABOUT SECTION --- */
.about-details-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.about-containers {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
  width: 100%;
  justify-content: center;
  flex-wrap: wrap;
}

.details-container {
  padding: 2rem;
  background: #000;
  border: 1px solid var(--border-color);
  box-shadow: 4px 4px 0px #222;
  text-align: center;
  flex: 1;
  min-width: 250px;
  max-width: 400px;
  transition: transform 0.2s;
  position: relative;
}

.details-container::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  height: 2px;
  background: var(--primary);
  opacity: 0.5;
}

.details-container:hover {
  border-color: var(--primary);
  box-shadow: 4px 4px 0px var(--primary);
}

.icon-large {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--secondary);
}

.text-container {
  text-align: justify;
  max-width: 800px;
  color: var(--text-main);
  font-size: 1rem;
  padding: 1.5rem;
  border: 1px dashed var(--text-muted);
  background: rgba(0, 0, 0, 0.5);
}

.text-container strong {
  color: var(--primary);
}

/* --- TECH STACK (Experience) --- */
.skill-category {
  margin-bottom: 3rem;
  width: 100%;
}

.skill-header {
  color: var(--primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  display: inline-block;
  font-size: 1.2rem;
  border-bottom: 2px solid var(--border-color);
  width: 100%;
}

.skill-header i {
  margin-right: 10px;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: #000;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.skill-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(10, 255, 0, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.skill-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 0 var(--primary);
}

.skill-card:hover::after {
  opacity: 1;
}

.skill-card i {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.skill-card:hover i {
  color: var(--primary);
}

.skill-card small {
  color: var(--secondary);
  font-size: 0.7rem;
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- CERTIFICATIONS --- */
.certs-container {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cert-card {
  background: #000;
  padding: 2.5rem;
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--secondary);
  width: 100%;
  max-width: 350px;
  text-align: center;
  transition: transform 0.2s;
}

.cert-card:hover {
  transform: translateY(-4px);
  border-color: var(--secondary);
  box-shadow: 0 4px 0 var(--secondary);
}

.cert-icon {
  font-size: 3.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.btn-group {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

/* --- CONTACT --- */
.contact-info-upper-container {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #000;
  padding: 1.5rem 2.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
  width: 100%;
  max-width: 450px;
  justify-content: center;
}

.contact-card:hover {
  border-color: var(--primary);
  background: rgba(10, 255, 0, 0.05);
  box-shadow: 4px 4px 0 var(--primary);
}

.contact-card:hover i {
  color: var(--primary);
}

.contact-card i {
  font-size: 1.5rem;
  color: var(--text-muted);
}

.contact-card a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 1.1rem;
  word-break: break-all;
}

/* --- FOOTER --- */
footer {
  height: 15vh;
  margin-top: 4rem;
  text-align: center;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  border-top: 2px solid var(--border-color);
}