/* ================================================================
   MITUN SHIL PORTFOLIO — CSS
   Deep Space Theme: Navy · Teal · Gold
   ================================================================ */

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

:root {
  --bg: #060d1a;
  --bg2: #0b1628;
  --bg3: #0f1e35;
  --teal: #00d4b4;
  --teal2: #00b89c;
  --gold: #f0c040;
  --blue: #4d9de0;
  --text: #e0eaf5;
  --text2: #8faac0;
  --border: rgba(0, 212, 180, 0.15);
  --glow: rgba(0, 212, 180, 0.12);
  --radius: 12px;
  --trans: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.25;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--teal);
  border-radius: 3px;
}

/* ================================================================ NAVBAR */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--trans), box-shadow var(--trans);
}
#navbar.scrolled {
  background: rgba(6, 13, 26, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}
.nav-logo span {
  color: var(--teal);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}
.nav-links .nl {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text2);
  transition: color var(--trans), background var(--trans);
}
.nav-links .nl:hover,
.nav-links .nl.active {
  color: var(--teal);
  background: var(--glow);
}
.hire-cta {
  background: var(--teal) !important;
  color: var(--bg) !important;
  font-weight: 700 !important;
}
.hire-cta:hover {
  background: var(--teal2) !important;
}

.nav-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-burger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  display: block;
  transition: var(--trans);
}

/* ================================================================ BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal);
  color: var(--bg);
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  padding: 12px 28px;
  border-radius: 8px;
  transition: background var(--trans), transform var(--trans),
    box-shadow var(--trans);
}
.btn-primary:hover {
  background: var(--teal2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 180, 0.3);
}
.btn-primary.full {
  width: 100%;
  justify-content: center;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--teal);
  font-weight: 600;
  font-family: "Space Grotesk", sans-serif;
  padding: 12px 28px;
  border-radius: 8px;
  border: 1.5px solid var(--teal);
  transition: background var(--trans), transform var(--trans);
}
.btn-ghost:hover {
  background: var(--glow);
  transform: translateY(-2px);
}

/* ================================================================ SECTION COMMONS */
section {
  padding: 100px 0;
}
section:nth-child(even) {
  background: var(--bg2);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(0, 212, 180, 0.1);
  border: 1px solid var(--border);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--text);
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text2);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.section-sub strong {
  color: var(--teal);
}

/* ================================================================ HERO */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  padding: 0;
}
#particleCanvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px;
}
.open-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--teal);
  background: rgba(0, 212, 180, 0.08);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.dot.green {
  background: #34d399;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-name {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.05;
  margin-bottom: 16px;
  animation: fadeInUp 0.6s 0.1s ease both;
  /* font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    background: linear-gradient(135deg, #e0eaf5 30%, var(--teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px; */
}
.typewriter-wrap {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  color: var(--gold);
  height: 2rem;
  margin-bottom: 24px;
}
.cursor {
  animation: blink 1s step-end infinite;
  color: var(--teal);
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-sub {
  max-width: 600px;
  margin: 0 auto 40px;
  color: var(--text2);
  font-size: 1.05rem;
}
.hero-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: fadeInUp 0.6s 0.4s ease both;
  /* display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 40px; */
}
.hs {
  background: rgba(15, 35, 70, 0.8);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  text-align: center;
  flex: 1;
  min-width: 90px;
  transition: border-color 0.3s, transform 0.3s;
  /* text-align: center;
  background: rgba(0, 212, 180, 0.06);
  border: 1px solid var(--border);
  padding: 16px 24px;
  border-radius: var(--radius);
  min-width: 110px;
  backdrop-filter: blur(4px); */
}
.hs-num {
  font-family: var(--font-main);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--teal);
}
.hs-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--teal);
}
.hs-lbl {
  display: block;
  font-size: 0.72rem;
  color: var(--text2);
  margin-top: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-hint span {
  display: block;
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  margin: 0 auto;
  animation: scroll-anim 2s ease-in-out infinite;
  border-radius: 2px;
}
@keyframes scroll-anim {
  0%,
  100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.3;
    transform: scaleY(0.5);
  }
}

/* ---- HERO VISUAL UPGRADE ---- */
.hero-grid {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  padding-top: 100px;
  padding-bottom: 80px;
}
.hero-content {
  text-align: left;
  padding: 24px 0;
}
.hero-sub {
  max-width: 640px;
  margin: 0 0 40px;
}
.hero-stats {
  justify-content: flex-start;
}
.hero-btns {
  justify-content: flex-start;
}
.hero-visual {
  position: relative;
  flex-shrink: 0;
  width: 340px;
  height: 340px;
  animation: fadeIn 0.8s 0.3s ease both;
  top: -5%;
  left: 30%;
}

.profile-ring {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 60px auto 0;
}

.profile-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  position: relative;
  z-index: 3;
  border: 3px solid var(--teal);
  box-shadow: 0 0 40px rgba(0, 229, 200, 0.3);
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 200, 0.2);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.ring1 {
  width: 240px;
  height: 240px;
  animation: rotateRing 12s linear infinite;
}
.ring2 {
  width: 280px;
  height: 280px;
  animation: rotateRing 18s linear infinite reverse;
  border-style: dashed;
}
.ring3 {
  width: 320px;
  height: 320px;
  animation: rotateRing 24s linear infinite;
  opacity: 0.4;
}

@keyframes rotateRing {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.floating-badge {
  position: absolute;
  background: rgba(15, 35, 70, 0.95);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-main);
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  animation: float 4s ease-in-out infinite;
}
.floating-badge i {
  color: var(--teal);
}
.badge-token2049-dubai {
  bottom: 240px;
  left: -90px;
  animation-delay: 1s;
}
.badge-token2049 {
  top: 20px;
  right: -30px;
  animation-delay: 0s;
}
.badge-cryptoexpo {
  top: 180px;
  right: 290px;
  animation-delay: 1s;
}
.badge-leadership {
  top: 130px;
  right: -130px;
  animation-delay: 1s;
}
.badge-quantrixe {
  bottom: 40px;
  right: -80px;
  animation-delay: 1.5s;
}
.badge-layer1 {
  bottom: 20px;
  left: -10px;
  animation-delay: 0.8s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
.scroll-arrow {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 5;
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(11, 22, 40, 0.75);
  color: var(--teal);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  animation: arrowBounce 1.8s ease-in-out infinite;
}
.scroll-arrow:hover {
  color: var(--gold);
  border-color: var(--gold);
}
@keyframes arrowBounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* ================================================================ ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-text p {
  color: var(--text2);
  margin-bottom: 16px;
  font-size: 1.05rem;
}
.about-text strong {
  color: var(--teal);
}
.about-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.alink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text2);
  font-size: 0.88rem;
  transition: color var(--trans), border-color var(--trans),
    background var(--trans);
}
.alink:hover {
  color: var(--teal);
  border-color: var(--teal);
  background: var(--glow);
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ac {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--trans), transform var(--trans),
    box-shadow var(--trans);
}
.ac:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px var(--glow);
}
.ac-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 180, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.ac h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.ac p {
  font-size: 0.83rem;
  color: var(--text2);
  line-height: 1.5;
}

/* ================================================================ BLOCKCHAIN */
.metrics-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 64px;
}
.mb-item {
  flex: 1;
  min-width: 160px;
  text-align: center;
  padding: 28px 20px;
  border-right: 1px solid var(--border);
  transition: background var(--trans);
}
.mb-item:last-child {
  border-right: none;
}
.mb-item:hover {
  background: rgba(0, 212, 180, 0.05);
}
.mb-num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--teal);
}
.mb-item span:last-of-type {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--teal);
}
.mb-item p {
  font-size: 0.78rem;
  color: var(--text2);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--teal), rgba(0, 212, 180, 0.1));
}
.tl-item {
  position: relative;
  margin-bottom: 48px;
}
.tl-dot {
  position: absolute;
  left: -40px;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--teal);
  border-radius: 50%;
  border: 3px solid var(--bg2);
  box-shadow: 0 0 0 4px rgba(0, 212, 180, 0.2);
}
.tl-period {
  font-size: 0.8rem;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.tl-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.tl-card:hover {
  border-color: var(--teal);
  box-shadow: 0 8px 32px var(--glow);
}
.tl-company {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.tl-badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(0, 212, 180, 0.12);
  color: var(--teal);
  padding: 3px 10px;
  border-radius: 50px;
  border: 1px solid var(--border);
}
.tl-loc {
  font-size: 0.83rem;
  color: var(--text2);
  margin-bottom: 16px;
}
.tl-loc i {
  color: var(--teal);
  margin-right: 4px;
}
.tl-list {
  list-style: none;
  padding: 0;
}
.tl-list li {
  padding: 4px 0 4px 20px;
  position: relative;
  font-size: 0.92rem;
  color: var(--text2);
  line-height: 1.6;
}
.tl-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 0.85rem;
}
.tl-list strong {
  color: var(--text);
}
.tl-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.83rem;
  color: var(--teal);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
  transition: background var(--trans);
}
.tl-link:hover {
  background: var(--glow);
}

/* ================================================================ ROBOTICS */
.mas-banner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 56px;
  align-items: center;
}
.mas-cert img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 240px;
}
.mas-text {
  padding: 32px 40px 32px 0;
}
.mas-label {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
}
.mas-company {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 6px 0 2px;
}
.mas-period {
  font-size: 0.85rem;
  color: var(--text2);
  margin-bottom: 20px;
}
.mas-list {
  list-style: none;
  padding: 0;
}
.mas-list li {
  padding: 5px 0;
  font-size: 0.92rem;
  color: var(--text2);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.mas-list i {
  color: var(--teal);
  margin-top: 4px;
  flex-shrink: 0;
}
.mas-list strong {
  color: var(--text);
}

/* ---- VIDEO FEATURE ---- */
.video-feature {
  margin-top: 2%;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(
    135deg,
    var(--bg3) 0%,
    rgba(0, 212, 180, 0.04) 100%
  );
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
  margin-bottom: 56px;
  position: relative;
  overflow: hidden;
}
.video-feature::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle,
    rgba(0, 212, 180, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.vf-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(240, 192, 64, 0.1);
  border: 1px solid rgba(240, 192, 64, 0.25);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.vf-label h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}
.vf-label p {
  color: var(--text2);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.vf-specs {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vf-specs li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text2);
}
.vf-specs i {
  color: var(--teal);
  width: 16px;
  text-align: center;
}

.vf-player {
  position: relative;
}
.vf-player video {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  display: block;
  background: #000;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 212, 180, 0.1);
}
.vf-caption {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text2);
  margin-top: 10px;
  letter-spacing: 0.04em;
}

/* Robotics grid */
.rob-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rob-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--trans), transform var(--trans),
    box-shadow var(--trans);
}
.rob-card:hover {
  border-color: var(--teal);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px var(--glow);
}
.rob-img {
  height: 200px;
  overflow: hidden;
  background: var(--bg);
}
.rob-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.rob-card:hover .rob-img img {
  transform: scale(1.05);
}
.kaizen-img img {
  object-position: center top;
}
.rob-info {
  padding: 20px;
}
.rob-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.rob-info p {
  font-size: 0.82rem;
  color: var(--text2);
  line-height: 1.5;
  margin-bottom: 12px;
}
.rob-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.rob-tags span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 50px;
  background: rgba(0, 212, 180, 0.08);
  border: 1px solid var(--border);
  color: var(--teal);
}

/* ================================================================ PROJECTS */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.proj-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: border-color var(--trans), transform var(--trans),
    box-shadow var(--trans);
}
.proj-card:hover {
  border-color: var(--teal);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px var(--glow);
}
.proj-card.featured {
  border-color: rgba(0, 212, 180, 0.3);
}
.proj-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 212, 180, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.proj-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(240, 192, 64, 0.12);
  color: var(--gold);
  border: 1px solid rgba(240, 192, 64, 0.3);
  padding: 3px 10px;
  border-radius: 50px;
}
.proj-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.proj-card p {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.6;
}
.proj-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--teal);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: background var(--trans);
}
.proj-link:hover {
  background: var(--glow);
}

/* ================================================================ SKILLS */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.skill-group {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.skill-group h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-group h4 i {
  font-size: 0.9rem;
}
.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sp {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text2);
  transition: var(--trans);
}
.sp.expert {
  background: rgba(0, 212, 180, 0.1);
  border-color: rgba(0, 212, 180, 0.3);
  color: var(--teal);
  font-weight: 700;
}
.sp:hover {
  border-color: var(--teal);
  color: var(--teal);
}

/* ================================================================ EDUCATION */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.edu-col-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mt {
  margin-top: 40px;
}
.edu-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 8px;
}
.edu-year {
  font-size: 0.8rem;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 6px;
}
.edu-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.edu-inst {
  font-size: 0.85rem;
  color: var(--teal);
  margin-bottom: 10px;
}
.edu-card p {
  font-size: 0.83rem;
  color: var(--text2);
}

.certs-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text2);
}
.cert-item i {
  color: var(--teal);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.awards-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.award-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.aw-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: rgba(240, 192, 64, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 0.9rem;
}
.award-item h5 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 3px;
}
.award-item p {
  font-size: 0.8rem;
  color: var(--text2);
}

.pub-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pub-list li {
  font-size: 0.85rem;
  color: var(--text2);
  padding: 8px 14px;
  background: var(--bg3);
  border-left: 2px solid var(--teal);
  border-radius: 0 6px 6px 0;
}
.pub-list span {
  color: var(--gold);
  font-size: 0.75rem;
  margin-left: 6px;
}

/* ================================================================ CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.eu-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
  background: rgba(240, 192, 64, 0.08);
  border: 1px solid rgba(240, 192, 64, 0.25);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ci {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--trans), box-shadow var(--trans);
}
.ci:hover {
  border-color: var(--teal);
  box-shadow: 0 4px 20px var(--glow);
}
.ci-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 180, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  font-size: 1rem;
  flex-shrink: 0;
}
.ci span {
  font-size: 0.75rem;
  color: var(--text2);
  display: block;
}
.ci strong {
  font-size: 0.9rem;
}

.contact-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}
.cc-top {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}
.cc-avatar {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--bg);
  flex-shrink: 0;
}
.cc-top h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.cc-top p {
  font-size: 0.83rem;
  color: var(--text2);
}
.cc-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: #34d399;
  margin-top: 4px;
}
.cc-roles p {
  font-size: 0.85rem;
  color: var(--text2);
  margin-bottom: 10px;
}
.role-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.role-pills span {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(77, 157, 224, 0.1);
  border: 1px solid rgba(77, 157, 224, 0.25);
  color: var(--blue);
  font-weight: 500;
}

/* ================================================================ FOOTER */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-inner {
  text-align: center;
}
.footer-logo {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-logo span {
  color: var(--teal);
}
footer p {
  font-size: 0.85rem;
  color: var(--text2);
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}
.footer-links a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  font-size: 1rem;
  transition: color var(--trans), border-color var(--trans),
    background var(--trans);
}
.footer-links a:hover {
  color: var(--teal);
  border-color: var(--teal);
  background: var(--glow);
}
.footer-copy {
  font-size: 0.75rem;
}

/* ================================================================ ANIMATIONS */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================ RESPONSIVE */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .mas-banner {
    grid-template-columns: 1fr;
  }
  .mas-cert img {
    min-height: 220px;
  }
  .mas-text {
    padding: 24px;
  }
  .video-feature {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }
  .rob-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .edu-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  section {
    padding: 72px 0;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(6, 13, 26, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 4px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-burger {
    display: flex;
  }
  .about-cards {
    grid-template-columns: 1fr;
  }
  .rob-grid {
    grid-template-columns: 1fr;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .metrics-bar {
    flex-direction: column;
  }
  .mb-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .mb-item:last-child {
    border-bottom: none;
  }
  .hero-stats {
    gap: 12px;
  }
  .hs {
    min-width: 90px;
    padding: 12px 16px;
  }
}
@media (max-width: 480px) {
  .proj-grid {
    grid-template-columns: 1fr;
  }
  .video-feature {
    padding: 24px;
  }
}

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 36px;
  }
  .hero-content {
    text-align: center;
  }
  .hero-sub {
    margin: 0 auto 40px;
  }
  .hero-stats,
  .hero-btns {
    justify-content: center;
  }
  .hero-visual {
    min-height: 500px;
  }
}
@media (max-width: 768px) {
  .hero-grid {
    padding-top: 90px;
    padding-bottom: 90px;
  }
  .profile-ring {
    width: 300px;
    height: 300px;
  }
  .profile-photo {
    width: 180px;
    height: 180px;
  }
  .ring1 {
    width: 220px;
    height: 220px;
  }
  .ring2 {
    width: 250px;
    height: 250px;
  }
  .ring3 {
    width: 280px;
    height: 280px;
  }
  .ring4 {
    width: 310px;
    height: 310px;
  }
  .ring5 {
    width: 340px;
    height: 340px;
  }
  .hero-visual {
    min-height: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .floating-badge {
    position: static;
    white-space: normal;
    justify-content: center;
    text-align: center;
    animation: none;
  }
  .scroll-arrow {
    bottom: 18px;
  }
}
@media (max-width: 480px) {
  .profile-ring {
    width: 250px;
    height: 250px;
  }
  .profile-photo {
    width: 150px;
    height: 150px;
  }
  .ring1 {
    width: 185px;
    height: 185px;
  }
  .ring2 {
    width: 210px;
    height: 210px;
  }
  .ring3 {
    width: 235px;
    height: 235px;
  }
  .ring4 {
    width: 260px;
    height: 260px;
  }
  .ring5 {
    width: 285px;
    height: 285px;
  }
  .floating-badge {
    font-size: 0.76rem;
    padding: 9px 12px;
  }
}