:root {
  --bg: #0b0d10;
  --card: #0f1720;
  --muted: #9aa0a6;
  --accent: #00e6ff; /* neon cyan */
  --accent-2: #6a9cff; /* soft blue */
  --text: #e9eef5;
  --glass: rgba(255, 255, 255, 0.03);
  --shadow-strong: rgba(2, 8, 20, 0.7);
}

/* LIGHT THEME (will be toggled with JS) */
:root.light {
  --bg: #f7f9fb;
  --card: #ffffff;
  --muted: #5b6a73;
  --accent: #0066cc;
  --accent-2: #0047a3;
  --text: #0b1220;
  --glass: rgba(0, 0, 0, 0.03);
  --shadow-strong: rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition:
    background 0.28s ease,
    color 0.28s ease;
}
a {
  color: var(--accent);
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px;
}

/* particles layer - behind content */
#particles-js {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

/* nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.1));
  z-index: 60;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.nav .nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav img#logo {
  height: 55px;
  width: 145px;
  border-radius: 8px;
  object-fit: cover;
}
.brand {
  font-weight: 800;
  color: var(--text);
  font-size: 20px;
  letter-spacing: 0.2px;
}
.nav .nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav .nav-right a {
  margin-left: 12px;
  color: var(--muted);
  font-weight: 600;
}
.theme-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.theme-btn i {
  width: 18px;
  text-align: center;
}

/* hero (merged premium design) */
.hero {
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 92px;
  position: relative;
  z-index: 2;
}
.hero-inner {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 36px;
  align-items: center;
  padding: 34px;
  border-radius: 16px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0.005)
  );
  border: 1px solid rgba(255, 255, 255, 0.03);
  box-shadow: 0 18px 60px var(--shadow-strong);
  transition: transform 0.45s ease;
}
.hero-inner:hover {
  transform: translateY(-4px);
}

/* Left profile card */
.profile-card {
  position: relative;
  width: 100%;
  height: 460px;
  border-radius: 18px;
  padding: 22px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0.005)
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow: visible;
}
.profile-bg {
  position: absolute;
  inset: 18px;
  border-radius: 14px;
  overflow: hidden;
  filter: blur(18px) saturate(1.05) brightness(0.34);
  opacity: 0.95;
  transform: scale(1.03);
  z-index: 1;
  background-size: cover;
  background-position: center center;
}
.profile-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 18px;
}
.profile-frame {
  position: relative;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(3, 8, 15, 0.6);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.01)
  );
  border: 1px solid rgba(255, 255, 255, 0.03);
  transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.2, 1);
}
.profile-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 999px;
  display: block;
}
.profile-frame:hover {
  transform: translateY(-8px) rotate(-1deg) scale(1.02);
}

/* halo + texture (combines both images) */
.profile-halo {
  position: absolute;
  inset: calc(50% - 150px) auto auto calc(50% - 150px);
  width: 300px;
  height: 300px;
  border-radius: 999px;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: screen;
  opacity: 0.95;
}
.profile-halo::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: radial-gradient(
    circle at 30% 20%,
    rgba(0, 230, 255, 0.2),
    rgba(106, 156, 255, 0.06) 28%,
    transparent 48%
  );
  filter: blur(18px);
}
.profile-halo::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background-image: url("assets/images/proTest.png");
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  filter: blur(6px) contrast(1.04);
}

/* animated rotating frame (outer) */
.animated-frame {
  position: absolute;
  z-index: 4;
  width: 330px;
  height: 330px;
  border-radius: 22px;
  left: 50%;
  top: 34%;
  transform: translateX(-50%);
  pointer-events: none;
  display: block;
  filter: blur(0.6px);
  border: 1px solid rgba(0, 230, 255, 0.06);
}
.animated-frame::before {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 28px;
  background: conic-gradient(
    from 120deg,
    rgba(0, 230, 255, 0.06),
    rgba(106, 156, 255, 0.04),
    rgba(0, 230, 255, 0.06)
  );
  filter: blur(18px);
  opacity: 0.9;
  animation: spinFrame 10s linear infinite;
}
@keyframes spinFrame {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.profile-meta {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.meta-pill {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.008),
    rgba(255, 255, 255, 0.004)
  );
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.03);
  font-weight: 700;
  color: var(--muted);
  font-size: 13px;
  backdrop-filter: blur(4px);
}

.social-ico {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.social-ico a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.018);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.02);
  transition: transform 0.22s ease;
}
.social-ico a:hover {
  transform: translateY(-4px);
  color: var(--accent);
}
.hidden {
  display: none !important;
}

/* RIGHT column */
.hero-head h1 {
  font-size: 44px;
  margin: 0 0 6px;
  line-height: 1.02;
}
.hero-head .title-strong {
  color: var(--accent);
  font-weight: 800;
}
.lead {
  color: var(--muted);
  margin-top: 6px;
  font-size: 18px;
}
.highlight-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.012),
    rgba(255, 255, 255, 0.006)
  );
  padding: 22px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.03);
  margin-top: 18px;
  box-shadow: 0 6px 24px rgba(2, 6, 12, 0.45);
}
.skills-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.chip {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 700;
}
.cta {
  margin-top: 20px;
}
.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  color: rgb(255, 255, 255);
  padding-left: 18px;
  font-weight: 800;
  margin-right: 12px;
  border: none;
  cursor: pointer;
  box-shadow: 0 12px 40px rgba(0, 200, 255, 0.07);
  transition: transform 0.18s ease;
}
.btn:hover {
  transform: translateY(-4px);
}
.btn-outline {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

/* Projects & skills section */
.section {
  margin-top: 48px;
}
.section-title {
  text-align: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}
.skill {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.015),
    rgba(255, 255, 255, 0.008)
  );
  padding: 14px;
  border-radius: 12px;
  text-align: center;
  color: var(--muted);
  box-shadow: inset 0 -2px 8px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.02);
  transition: transform 0.2s ease;
}
.skill:hover {
  transform: translateY(-6px);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* ALWAYS 3 CARDS ON DESKTOP */
  gap: 18px;
  margin-top: 12px;
}

/* Tablet: 2 cards */
@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile: 1 card */
@media (max-width: 560px) {
  .projects-grid {
    grid-template-columns: repeat(1, 1fr);
  }
}

.proj-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0.006)
  );
  padding: 18px;
  border-radius: 12px;
  border-left: 4px solid rgba(0, 230, 255, 0.06);
  box-shadow: 0 8px 28px rgba(3, 8, 15, 0.45);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}
.proj-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 50px rgba(3, 8, 15, 0.55);
}
.proj-card h3 {
  margin: 0 0 8px;
}
.proj-card p {
  color: var(--muted);
  margin: 0 0 12px;
}
.proj-card a {
  color: var(--accent);
  font-weight: 700;
}

/* Certificate Slider */
.cert-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-top: 25px;
  padding: 0 50px; /* gives breathing space for arrows */
}

.cert-track {
  display: flex;
  gap: 26px; /* increased gap */
  transition: transform 0.4s ease;
}

/* Bigger Slide Cards */
.cert-slide {
  min-width: 320px; /* bigger width */
  height: 220px; /* bigger height */
  border-radius: 14px;
  background: #15181c;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 4px 22px rgba(0, 0, 0, 0.35);
  transition: transform 0.25s ease;
}

.cert-slide:hover {
  transform: scale(1.04);
}

.cert-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Transparent Arrow Buttons (moved inward) */
.cert-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: 0.25s;
  z-index: 50;
}

.cert-arrow:hover {
  background: rgba(255, 255, 255, 0.2);
}

.cert-arrow i {
  color: white;
  font-size: 20px;
}

/* Adjusted arrow positions inward */
.cert-arrow.left {
  left: 10px;
}

.cert-arrow.right {
  right: 10px;
}

/* Badge Wallet Section */
#badges {
  text-align: center;
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 22px;
  margin-top: 22px;
  justify-items: center;
}

/* Fixed-size clean badge card */
.badge-card {
  width: 180px; /* fix width */
  height: 180px; /* fix height */
  background: var(--bg-secondary, #15181c);
  padding: 12px;
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.28);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden; /* prevents image overflow */
}

/* Hover animation */
.badge-card:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.38);
}

/* Perfect image fit */
.badge-card img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* keeps original shape */
  object-position: center;
  pointer-events: none;
}

/* Contact cards */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact-card {
  background: var(--card);
  padding: 18px;
  border-radius: 10px;
  position: relative;
  z-index: 2;
}
.contact-card input,
.contact-card textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  background: transparent;
  color: var(--text);
}

/* footer */
.footer {
  padding: 32px;
  color: var(--muted);
  text-align: center;
  background: transparent;
  margin-top: 30px;
}

/* responsive */
@media (max-width: 1040px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 24px;
  }
  .profile-card {
    height: auto;
    padding-bottom: 24px;
  }
  .animated-frame {
    display: none;
  }
  .profile-frame {
    width: 200px;
    height: 200px;
  }
}
@media (max-width: 560px) {
  .hero-head h1 {
    font-size: 28px;
  }
  .container {
    padding: 18px;
  }
  .nav {
    padding: 0 12px;
  }
  .nav .nav-right a {
    display: none;
  }
}

/* subtle entrances */
.fade-in-up {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 0.7s ease forwards;
}
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: none;
  }
}

/* accessible focus */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 3px solid rgba(0, 230, 255, 0.12);
  outline-offset: 2px;
}

/* ===== POSITION LAYOUT ONLY ===== */

.card {
  max-width: 980px;
  margin: 120px auto;
}

/* Top upload row */
.upload-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 40px;
}

/* Upload blocks */
.upload-block {
  text-align: center;
}

/* Center sections */
.center-block {
  text-align: center;
  margin: 28px 0;
}

.center-block select {
  max-width: 220px;
  margin: auto;
}

/* Center buttons */
.btn-center {
  display: block;
  margin: 20px auto;
  min-width: 260px;
}

/* ===== TWO COLUMN ALIGNMENT (EXACT LIKE SHEET SELECT) ===== */

.match-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}

.match-grid select {
  width: 100%;
}

/* Mobile view – Contact section single column */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.stats-row {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 18px;
}