:root {
  --bg: #020617;
  --primary: #0f172a;
  --accent: #00ff88;
  --text: #e2e8f0;
  --muted: #94a3b8;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
}

.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(15,23,42,0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
}

.logo {
  font-family: 'Orbitron';
  color: var(--accent);
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: var(--text);
}

nav a:hover {
  color: var(--accent);
}

.hero {
  height: 100vh;
  background: url('back.png') center/cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
}

.hero-content {
  position: relative;
  text-align: center;
}

.hero h2 {
  font-size: 3rem;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 2px;   /* adds breathing space */
  line-height: 1.2;      /* prevents vertical crowding */
  margin-bottom: 15px;
}

.hero p {
  color: var(--muted);
  letter-spacing: 1px;   /*  key fix */
  line-height: 1.6;      /*  makes it readable */
  max-width: 600px;      /*  prevents long stretched text */
  margin: 0 auto 25px auto;
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 15px;  /*  adds space between buttons */
}

.buttons a {
  border: 1px solid var(--accent);
  padding: 10px 20px;
  margin: 10px;
  color: var(--accent);
  text-decoration: none;
  border-radius: 8px;
}

.buttons a:hover {
  background: var(--accent);
  color: black;
}

section {
  padding: 80px 40px;
  max-width: 1100px;
  margin: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 20px;
}

.card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,255,136,0.2);
  padding: 20px;
  border-radius: 15px;
  text-align: center;
  transition: 0.3s;
}

.card img {
  width: 60px;
  margin-bottom: 10px;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 20px rgba(0,255,136,0.3);
}

.skill {
  margin-bottom: 20px;
}

.bar {
  height: 8px;
  background: #1e293b;
  border-radius: 5px;
}

.bar div {
  height: 100%;
  background: var(--accent);
}

#terminal {
  background: black;
  padding: 20px;
  border-radius: 10px;
  font-family: monospace;
  color: var(--accent);
}

/* WRITEUP SECTION */
#writeup, #blog {
  margin-top: 60px;
}

#writeup h3, #blog h3 {
  color: var(--accent);
  margin-bottom: 15px;
}

.project-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(0,255,136,0.15);
  padding: 25px;
  border-radius: 15px;
  margin-top: 20px;
}

#skill {
  margin-top: 15px;
  padding-left: 20px;
}

#skill li {
  margin-bottom: 8px;
  color: var(--muted);
}

.left {
  color: var(--accent);
  margin-top: 25px;
  font-weight: 600;
}

.para {
  margin-top: 10px;
  line-height: 1.7;
  color: var(--muted);
}

.headblog {
  margin-top: 40px;
  font-size: 1.2rem;
  color: var(--accent);
}

h3{
  margin: 20px;
}

footer {
  text-align: center;
  padding: 30px;
  color: var(--muted);
}


/* ================= SECTION BASE ================= */
.section {
    padding: 60px 20px;
    text-align: center;
}

.section h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: #ffffff;
}

/* ================= GITHUB TOOLS ================= */
.tools-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: auto;
}

.tool-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 15px;
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-8px);
}

/* ================= CERTIFICATES ================= */
.cert-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: auto;
}

.cert-card {
    background: rgba(0, 0, 0, 0.25);
    padding: 20px;
    border-radius: 15px;
    border-left: 4px solid #00ffcc;
    transition: transform 0.3s ease;
}

.cert-card:hover {
    transform: scale(1.05);
}

.repo-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: auto;
}

.repo-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: 0.3s ease;
    text-align: left;
}

.repo-card:hover {
    transform: translateY(-10px);
}

.repo-card h3 {
    margin-bottom: 10px;
    color: #00ffcc;
}

.repo-card p {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-bottom: 10px;
}

.repo-stats {
    font-size: 0.8rem;
    margin-bottom: 10px;
    opacity: 0.7;
}

.repo-card a {
    text-decoration: none;
    color: #ffffff;
    background: #548a7f;
    padding: 8px 12px;
    border-radius: 8px;
    display: inline-block;
    font-weight: bold;
}

/* =========================================
    FULL MOBILE STABILITY FIX (NON-DESTRUCTIVE)
========================================= */

html, body {
  overflow-x: hidden; /* PREVENT SIDE SCROLL CRASH */
}

/* ---------- NAVBAR FIX ---------- */
@media (max-width: 768px) {

  .navbar {
    flex-direction: column;
    align-items: center;
    padding: 15px 20px;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  nav a {
    margin: 0;
    font-size: 0.9rem;
  }

}

/* ---------- HERO FIX ---------- */
@media (max-width: 768px) {

  .hero {
    height: auto; /* CRITICAL FIX (100vh breaks on phones) */
    padding: 100px 20px;
  }

  .hero h2 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 0.95rem;
    max-width: 90%;
  }

  .buttons {
    flex-direction: column;
    align-items: center;
  }

  .buttons a {
    width: 80%;
    text-align: center;
  }

}

/* ---------- GRID FIX ---------- */
@media (max-width: 768px) {

  .grid,
  .tools-container,
  .cert-container,
  .repo-container {
    grid-template-columns: 1fr !important;
  }

}

/* ---------- CARD FIX ---------- */
@media (max-width: 768px) {

  .card,
  .tool-card,
  .cert-card,
  .repo-card {
    padding: 15px;
  }

}

/* ---------- WRITEUP / BLOG FIX ---------- */
@media (max-width: 768px) {

  section {
    padding: 60px 20px;
  }

  .para {
    font-size: 0.9rem;
    line-height: 1.6;
    word-wrap: break-word;
  }

  p {
    word-break: break-word;
  }

  .left {
    font-size: 1rem;
  }

  .headblog {
    font-size: 1.1rem;
  }

}

/* ---------- TERMINAL FIX ---------- */
@media (max-width: 768px) {

  #terminal {
    font-size: 0.8rem;
    overflow-x: auto;
    white-space: pre-wrap;
  }

}

/* ---------- SMALL DEVICES ---------- */
@media (max-width: 480px) {

  .hero h2 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 0.85rem;
  }

  nav a {
    font-size: 0.8rem;
  }

  .buttons a {
    width: 100%;
  }

}

/* ===== TYPEWRITER EFFECT ===== */
.typing {
  overflow: hidden;
  border-right: 2px solid var(--accent);
  white-space: nowrap;
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0%,100% { border-color: transparent; }
  50% { border-color: var(--accent); }
}