/* RESET & BODY */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
body {
  background: #0d0f14;
  color: white;
  overflow-x: hidden;
}

/* PARTICLE BACKGROUND */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px 80px;
  position: sticky;
  top: 0;
  background: #0d0f14;
  z-index: 10;
}
.logo {
  font-size: 22px;
  font-weight: 600;
}
.talk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: #1c1f26;
    border: 1px solid #4da6ff;
    color: white;
    padding: 8px 18px;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 14px;
}

.talk-btn:hover {
    background: #4da6ff;
}

nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #aaa;
  transition: 0.3s;
}
nav a:hover {
  color: #4da6ff;
}

/* HERO */
.hero {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px 80px;
  gap: 40px;
}
.profile-card {
  background: linear-gradient(145deg, #111318, #0a0c11);
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 0 40px rgba(77, 166, 255, 0.3);
  transition: 0.4s;
}
.profile-card:hover {
  transform: scale(1.05);
  box-shadow: 0 0 60px rgba(77, 166, 255, 0.6);
}
.profile-card img {
  width: 300px;
  border-radius: 15px;
}
.summary-card {
  max-width: 500px;
  background: #111318;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 0 30px rgba(77, 166, 255, 0.2);
}
.summary-card h1 {
  font-size: 28px;
  margin-bottom: 15px;
}
.summary-card h2 {
  font-size: 24px;
  color: #4da6ff;
  margin-bottom: 15px;
}
.summary-card p {
  font-size: 14px;
  color: #bbb;
  line-height: 1.6;
}
.location {
  display: block;
  margin-top: 15px;
  font-size: 13px;
  color: #888;
}

/* GRID SECTION */
.grid-section {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  padding: 60px 80px;
}
.card {
  background: #111318;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 0 25px rgba(77, 166, 255, 0.15);
  transition: 0.4s;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 45px rgba(77, 166, 255, 0.4);
}
.card h3 {
  margin-bottom: 15px;
  color: #4da6ff;
}

/* PROJECT CARDS */
.projects {
  padding: 60px 80px;
}
.projects h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 32px;
  color: #4da6ff;
}
.project-card {
  width: 250px;
  height: 150px;
  perspective: 1000px;
  margin: 20px;
  display: inline-block;
}
.project-card .front,
.project-card .back {
  position: absolute;
  width: 250px;
  height: 150px;
  border-radius: 15px;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  box-shadow: 0 0 25px rgba(77, 166, 255, 0.15);
}
.project-card .front {
  background: #111318;
  color: #4da6ff;
  font-weight: 600;
}
.project-card .back {
  background: #1c1f26;
  color: #bbb;
  transform: rotateY(180deg);
}
.project-card:hover .front {
  transform: rotateY(180deg);
}
.project-card:hover .back {
  transform: rotateY(0);
}

.projects {
    padding: 80px;
    text-align: center;
}

.projects h2 {
    margin-bottom: 50px;
    font-size: 32px;
    color: #4da6ff;
}

/* FIXED GRID SYSTEM */
.project-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;   /* Equal spacing */
}

/* FLIP CARD */
.project-card {
    position: relative;
    width: 100%;
    height: 180px;
    perspective: 1000px;
}

.project-card .front,
.project-card .back {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
    box-shadow: 0 0 25px rgba(77,166,255,0.15);
    transition: 0.6s;
}

.project-card .front {
    background: #111318;
    color: #4da6ff;
    font-weight: 600;
}

.project-card .back {
    background: #1c1f26;
    color: #bbb;
    transform: rotateY(180deg);
}

.project-card:hover .front {
    transform: rotateY(180deg);
}

.project-card:hover .back {
    transform: rotateY(360deg);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 60px 0;
}
footer h2 {
  font-size: 36px;
}
footer span {
  color: #4da6ff;
}

/* RESPONSIVE */
@media screen and (max-width: 900px) {
  .hero {
    flex-direction: column;
  }
  .grid-section {
    grid-template-columns: 1fr;
  }
  .project-card {
    margin: 20px auto;
  }
}
.contact {
    padding: 60px 80px;
    text-align: center;
}

.contact h2 {
    margin-bottom: 25px;
    font-size: 24px;
    color: #4da6ff;
}

.contact-container {
    display: flex;
    justify-content: center;
    align-items: center;  /* vertical center */
    gap: 15px;
    flex-wrap: wrap;
}

/* FINAL CLEAN SMALL BUTTON */
.contact-container a {
    display: flex;                /* important for centering */
    justify-content: center;      /* horizontal center */
    align-items: center;          /* vertical center */
    text-decoration: none;
    color: #ccc;
    font-size: 13px;
    padding: 5px 12px;            /* smaller */
    height: 30px;                 /* fixed height */
    border: 1px solid #2a2f3a;
    border-radius: 15px;
    background: #111318;
    transition: 0.2s ease;
}

/* Soft hover */
.contact-container a:hover {
    color: #4da6ff;
    border-color: #4da6ff;
    background: #151922;
}
.contact-footer {
    margin-top: 50px;
    text-align: center;
}

.contact-footer h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.contact-footer span {
    color: #4da6ff;
}

.contact-footer p {
    font-size: 13px;
    color: #777;
    margin-top: 15px;
}
.contact-container a {
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: #ccc;
    font-size: 13px;
    padding: 5px 10px;
    height: 28px;
    border: 1px solid #2a2f3a;
    border-radius: 14px;
    background: #111318;
    transition: 0.2s ease;
}

.contact-container a:hover {
    color: #4da6ff;
    border-color: #4da6ff;
    background: #151922;
}