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

:root {
  --bg: #080b0d;
  --bg1: #0c1014;
  --bg2: #101518;
  --surface: #161d22;
  --surface2: #1c252b;
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.12);
  --text: #eef2f5;
  --text2: #8fa0ad;
  --text3: #4a5f6b;
  --border: rgba(255, 255, 255, 0.07);
  --border2: rgba(255, 255, 255, 0.04);
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "DM Mono", monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 200;
  height: 58px;
  padding: 0 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(8, 11, 13, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: blink 2.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.nav-links {
  display: flex;
  gap: 0.2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.79rem;
  font-weight: 500;
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  background: var(--green) !important;
  color: #000 !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  opacity: 0.87 !important;
  background: var(--green) !important;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(8,11,13,0.70), rgba(8,11,13,0.88)),
    url("data:image/png;base64,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");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(34,197,94,0.16), transparent 22%),
    radial-gradient(circle at 85% 25%, rgba(255,255,255,0.05), transparent 20%),
    radial-gradient(circle at 70% 80%, rgba(34,197,94,0.10), transparent 22%);
  pointer-events: none;
}

.hero-inner,
.s-inner,
.cert-strip-inner,
footer {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 7rem;
  padding-bottom: 4rem;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.42rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  color: var(--text2);
  font-size: 0.76rem;
  font-family: var(--mono);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6.2rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.06em;
  max-width: 920px;
}

.typing-line {
  margin-top: 1rem;
  font-size: clamp(1.1rem, 2vw, 1.55rem);
  color: var(--green);
  min-height: 2rem;
  font-weight: 500;
}

.cursor {
  display: inline-block;
  margin-left: 3px;
  animation: cursorBlink 0.9s infinite;
}

@keyframes cursorBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-sub {
  max-width: 760px;
  font-size: 1rem;
  color: var(--text2);
  margin-top: 1.2rem;
}

.hero-pills,
.hero-btns,
.p-links,
.skill-tags,
.p-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-pills {
  margin-top: 1.4rem;
}

.hero-btns {
  margin-top: 1.6rem;
  gap: 0.9rem;
}

.hero-pill,
.s-tag,
.p-link,
.social-link,
.btn {
  transition: 0.2s ease;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  text-decoration: none;
  font-size: 0.86rem;
}

.hero-pill:hover {
  border-color: rgba(34,197,94,0.28);
  transform: translateY(-1px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 12px;
  padding: 0.95rem 1.2rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.btn-green {
  background: var(--green);
  color: #000;
}

.btn-green:hover {
  transform: translateY(-1px);
  opacity: 0.93;
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1rem;
  margin-top: 2rem;
  max-width: 780px;
}

.hero-stats > div,
.a-stat,
.skill-cat,
.p-card,
.t-item,
.contact-body,
.c-form,
.cert-card,
.about-body {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
}

.hero-stats > div {
  padding: 1rem;
  border-radius: 16px;
}

.stat-num,
.a-stat-num {
  font-weight: 700;
  letter-spacing: -0.04em;
}

.stat-num {
  font-size: 1.25rem;
}

.stat-label,
.a-stat-label {
  color: var(--text2);
  margin-top: 0.2rem;
}

.stat-label {
  font-size: 0.8rem;
}

.cert-strip {
  border-top: 1px solid var(--border2);
  border-bottom: 1px solid var(--border2);
  background: rgba(255,255,255,0.015);
}

.cert-strip-inner {
  padding-top: 1.4rem;
  padding-bottom: 2rem;
}

.cert-strip-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.cert-strip-label,
.s-label,
.p-num,
.t-period {
  color: var(--green);
  font-family: var(--mono);
}

.cert-strip-label,
.s-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.cert-pulse-badge {
  color: var(--text2);
  font-size: 0.78rem;
}

.cert-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1rem;
}

.cert-card {
  text-decoration: none;
  color: inherit;
  border-radius: 18px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.cert-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34,197,94,0.26);
}

.cert-verify {
  font-size: 0.72rem;
  color: var(--green);
  font-weight: 600;
}

.cert-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
}

.cert-name {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.cert-issuer,
.s-desc,
.p-desc,
.t-org,
.t-desc,
.contact-body p,
.about-body p {
  color: var(--text2);
}

.cert-issuer {
  font-size: 0.8rem;
}

.section {
  padding: 5.4rem 0;
}

.section.alt {
  background: rgba(255,255,255,0.015);
  border-top: 1px solid var(--border2);
  border-bottom: 1px solid var(--border2);
}

.s-label {
  margin-bottom: 0.7rem;
}

.s-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 0.8rem;
  font-weight: 700;
}

.s-desc {
  max-width: 760px;
  margin-bottom: 2rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.4rem;
  align-items: start;
}

.about-body,
.skill-cat,
.p-card,
.t-item,
.contact-body,
.c-form {
  border-radius: 20px;
  padding: 1.35rem;
}

.about-body p {
  margin-bottom: 1rem;
}

.about-body p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1rem;
}

.a-stat {
  border-radius: 18px;
  padding: 1.2rem;
}

.a-stat-num {
  font-size: 1.4rem;
}

.a-stat-label {
  font-size: 0.82rem;
}

.skills-grid,
.projects-grid,
.contact-grid {
  display: grid;
  gap: 1rem;
}

.skills-grid {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

.projects-grid {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

.contact-grid {
  grid-template-columns: 1fr 1fr;
}

.skill-cat-label,
.t-title,
.p-title {
  font-weight: 700;
}

.skill-cat-label {
  margin-bottom: 0.8rem;
  font-size: 1rem;
}

.s-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.025);
  color: var(--text2);
  font-size: 0.82rem;
}

.p-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34,197,94,0.22);
}

.p-num {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.6rem;
}

.p-title {
  font-size: 1.12rem;
  margin-bottom: 0.65rem;
  line-height: 1.3;
}

.cap-tag {
  display: inline-flex;
  margin-left: 0.5rem;
  font-size: 0.68rem;
  padding: 0.16rem 0.45rem;
  border-radius: 999px;
  color: #000;
  background: var(--green);
  vertical-align: middle;
}

.p-desc {
  font-size: 0.94rem;
  margin-bottom: 0.85rem;
}

.p-link {
  text-decoration: none;
  color: var(--text);
  padding: 0.62rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  font-size: 0.83rem;
  font-weight: 600;
}

.p-link:hover {
  background: rgba(255,255,255,0.05);
}

.p-link.pri {
  background: var(--green);
  color: #000;
  border-color: transparent;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.t-item {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 1rem;
  border-radius: 18px;
  padding: 1.2rem;
}

.t-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  margin-top: 0.38rem;
  box-shadow: 0 0 12px rgba(34,197,94,0.7);
}

.t-period {
  font-size: 0.82rem;
  margin-bottom: 0.25rem;
}

.t-title {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.t-org {
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.t-org a {
  color: var(--text);
}

.t-desc {
  font-size: 0.92rem;
}

.socials {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  word-break: break-word;
}

.social-link:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(34,197,94,0.22);
}

.s-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.f-group {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  margin-bottom: 0.9rem;
}

.f-label {
  font-size: 0.82rem;
  color: var(--text2);
}

.f-input,
.f-textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  color: var(--text);
  padding: 0.9rem 1rem;
  outline: none;
  font-family: var(--font);
  font-size: 0.92rem;
}

.f-input:focus,
.f-textarea:focus {
  border-color: rgba(34,197,94,0.35);
}

.f-textarea {
  min-height: 130px;
  resize: vertical;
}

.f-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  border-radius: 12px;
  background: var(--green);
  color: #000;
  font-weight: 700;
  padding: 0.95rem 1rem;
  font-size: 0.92rem;
}

.form-status {
  display: none;
  margin-top: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 600;
}

footer {
  border-top: 1px solid var(--border2);
  padding-top: 1.6rem;
  padding-bottom: 2.2rem;
}

.f-name {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.f-copy {
  color: var(--text2);
  font-size: 0.82rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: 0.7s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1000px) {
  .cert-cards,
  .projects-grid,
  .contact-grid,
  .about-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 760px) {
  nav {
    padding: 0 1rem;
  }

  .nav-links {
    display: none;
  }

  .hero-inner,
  .s-inner,
  .cert-strip-inner,
  footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .hero-btns,
  .hero-pills,
  .p-links {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .p-link {
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .cert-cards {
    grid-template-columns: 1fr;
  }
}