:root {
  --bg: #0b0f1a;
  --bg-soft: #121a2b;
  --text: #eaf0ff;
  --muted: #a6b2cf;
  --accent: #5b8cff;
  --accent-2: #56e0c5;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

body.light {
  --bg: #f5f7fd;
  --bg-soft: #ecf1ff;
  --text: #121827;
  --muted: #4b556b;
  --accent: #4f46e5;
  --accent-2: #0ea5e9;
  --card: rgba(255, 255, 255, 0.82);
  --card-border: rgba(18, 24, 39, 0.12);
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --shadow: 0 14px 26px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  line-height: 1.55;
  background: radial-gradient(circle at top, var(--bg-soft), var(--bg));
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition:
    background 0.3s ease,
    color 0.3s ease;
}

.bg-blur {
  position: fixed;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  filter: blur(70px);
  z-index: -1;
  pointer-events: none;
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

body.scrolled-page .bg-blur {
  opacity: 0.65;
  transform: scale(0.92);
}

.bg-blur-1 {
  top: -8rem;
  right: -8rem;
  background: rgba(91, 140, 255, 0.3);
}

.bg-blur-2 {
  bottom: -8rem;
  left: -8rem;
  background: rgba(86, 224, 197, 0.22);
}

body.light .bg-blur-1 {
  background: rgba(79, 70, 229, 0.18);
}

body.light .bg-blur-2 {
  background: rgba(14, 165, 233, 0.14);
}

.topbar {
  width: min(1100px, calc(100% - 2rem));
  margin: 1rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(16px);
  border-radius: 14px;
  padding: 0.8rem 1rem;
  position: sticky;
  top: 1rem;
  z-index: 10;
  box-shadow: var(--shadow);
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.menu {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  justify-content: center;
}

.menu a {
  position: relative;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  min-width: 104px;
  text-align: center;
  transition:
    color 0.2s ease,
    opacity 0.2s ease;
}

.menu a:hover {
  color: var(--text);
}

.menu a.active {
  color: var(--text);
}

.menu a::after {
  content: "";
  position: absolute;
  left: 16%;
  right: 16%;
  bottom: -0.28rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.24s ease;
}

.menu a:hover::after,
.menu a.active::after {
  transform: scaleX(1);
}

.theme-toggle {
  width: 52px;
  height: 30px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: transparent;
  padding: 4px 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.toggle-icon {
  font-size: 0.72rem;
  color: var(--muted);
  opacity: 0.52;
  z-index: 2;
  transition:
    color 0.2s ease,
    opacity 0.2s ease;
}

.icon-moon {
  opacity: 1;
  color: var(--text);
}

body.light .icon-moon {
  opacity: 0.52;
  color: var(--muted);
}

body.light .icon-sun {
  opacity: 1;
  color: var(--text);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--card);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 0.35rem 0.5rem;
  border-radius: 999px;
  cursor: pointer;
}

.lang-btn.active {
  background: rgba(91, 140, 255, 0.15);
  color: var(--text);
}

.toggle-dot {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  transition: transform 0.25s ease;
  z-index: 1;
}

body.light .toggle-dot {
  transform: translateX(22px);
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 2rem auto 5rem;
}

.section {
  margin-top: 3rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin: 0.3rem 0 0.8rem;
}

.hero {
  min-height: calc(100vh - 8rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: left;
}

.hero-layout {
  width: min(1020px, 100%);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
  align-items: stretch;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 420px;
}

.hero-photo-panel {
  display: block;
  justify-self: end;
  width: min(390px, 100%);
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 16px;
  min-height: 500px;
  position: relative;
  perspective: 1200px;
}

.hero-photo-flip {
  display: block;
  position: relative;
  width: 100%;
  height: 500px;
  min-height: inherit;
  transform-style: preserve-3d;
  transition: transform 0.72s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.hero-photo-panel.is-flipped .hero-photo-flip {
  transform: rotateY(180deg);
}

.hero-photo-face {
  display: block;
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: inherit;
  overflow: hidden;
}

.hero-photo-front {
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow:
    0 10px 22px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(255, 255, 255, 0.04);
  background:
    linear-gradient(
      110deg,
      rgba(11, 15, 26, 0.68) 0%,
      rgba(11, 15, 26, 0.38) 42%,
      rgba(11, 15, 26, 0.12) 100%
    ),
    url("./assets/profile-hero.png");
  background-size: cover;
  background-position: 60% top;
}

.hero-photo-front::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.12);
  pointer-events: none;
  z-index: 1;
}

body.light .hero-photo-front {
  border-color: rgba(18, 24, 39, 0.2);
  box-shadow:
    0 10px 20px rgba(15, 23, 42, 0.14),
    0 0 0 1px rgba(18, 24, 39, 0.06);
  background:
    linear-gradient(
      110deg,
      rgba(11, 15, 26, 0.48) 0%,
      rgba(11, 15, 26, 0.24) 45%,
      rgba(11, 15, 26, 0.1) 100%
    ),
    url("./assets/profile-hero.png");
  background-size: cover;
  background-position: 60% top;
}

body.light .hero-photo-front::before {
  border-color: rgba(18, 24, 39, 0.16);
}

.hero-photo-back {
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  background: radial-gradient(circle at top, var(--bg-soft), var(--bg));
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-align: center;
  padding: 1.2rem;
}

.hero-photo-aws-logo {
  width: auto;
  height: 56px;
  object-fit: contain;
}

.hero-photo-mongo-logo {
  width: auto;
  height: 56px;
  object-fit: contain;
}

.hero-photo-cert-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  width: 100%;
}

.hero-photo-certified {
  color: var(--text);
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lead {
  color: var(--muted);
  max-width: 66ch;
  line-height: 1.78;
}

.hero .lead {
  min-height: 5.6em;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  gap: 0.55rem;
  margin-top: 0.8rem;
  width: min(780px, 100%);
}

.hero-pill {
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
  line-height: 1.25;
  padding: 0.4rem 0.65rem;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.hero-pill:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: rgba(91, 140, 255, 0.12);
}

.hero-value-grid {
  margin-top: 1rem;
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.value-card {
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: linear-gradient(145deg, var(--card), transparent);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  padding: 0.9rem 1rem;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.value-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 35%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.7s ease;
}

.value-card:hover::after {
  transform: translateX(100%);
}

.value-card i {
  color: var(--accent);
  font-size: 1.05rem;
}

.value-card h3 {
  margin: 0.45rem 0 0.3rem;
  font-size: 0.95rem;
  min-height: 2.3em;
}

.value-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
  min-height: 4.6em;
}

.gradient-text {
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head h2 {
  margin: 0.2rem 0 1rem;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

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

.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--accent), transparent);
  opacity: 0.6;
}

.timeline-item {
  margin-left: 1.4rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(91, 140, 255, 0.2);
  transform: translateX(-1.92rem) translateY(0.6rem);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.timeline-item:hover::before {
  transform: translateX(-1.92rem) translateY(0.6rem) scale(1.08);
  box-shadow: 0 0 0 6px rgba(91, 140, 255, 0.24);
}

.card {
  border: 1px solid var(--card-border);
  background: var(--card);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  position: relative;
  transition:
    transform 0.24s ease,
    border-color 0.24s ease,
    box-shadow 0.24s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(91, 140, 255, 0.34);
  box-shadow: 0 22px 38px rgba(10, 16, 28, 0.28);
}

body.light .card:hover {
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.12);
}

.item-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.role,
.period,
.company,
.description,
.experience-points,
.cert-name,
.cert-org,
.cert-date {
  margin: 0.2rem 0;
}

.company,
.cert-name {
  font-weight: 700;
}

.period,
.description,
.experience-points,
.cert-org,
.cert-date {
  color: var(--muted);
}

.experience-points {
  padding-left: 1.1rem;
  line-height: 1.6;
}

.experience-points li {
  margin: 0.35rem 0;
}

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

.cert-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cert-logo-wrap {
  height: 28px;
  display: flex;
  align-items: center;
  margin-bottom: 0.3rem;
}

.cert-logo {
  max-height: 100%;
  max-width: 130px;
  width: auto;
  object-fit: contain;
  transition:
    transform 0.22s ease,
    filter 0.22s ease;
}

.cert-item:hover .cert-logo {
  transform: translateY(-1px) scale(1.03);
  filter: saturate(1.08);
}

.cv-inline {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

.cv-download {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--card-border);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  padding: 0.72rem 1.05rem;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 18px rgba(91, 140, 255, 0.22);
  transition:
    transform 0.2s ease,
    filter 0.2s ease,
    box-shadow 0.2s ease;
}

.cv-download:hover {
  transform: translateY(-2px);
  filter: brightness(1.04);
  box-shadow:
    0 12px 24px rgba(91, 140, 255, 0.28),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.cv-download-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.76rem 1.12rem;
}

.cv-icon-wrap {
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 999px;
  background: rgba(11, 15, 26, 0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cv-icon {
  font-size: 1rem;
  animation: cvFloat 1.8s ease-in-out infinite;
}

.cv-download-inline:hover .cv-icon {
  animation: cvBounce 0.6s ease;
}

@keyframes cvFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2px);
  }
}

@keyframes cvBounce {
  0% {
    transform: translateY(0);
  }
  35% {
    transform: translateY(2px);
  }
  70% {
    transform: translateY(-4px);
  }
  100% {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cv-icon {
    animation: none;
  }

  .cv-download-inline:hover .cv-icon {
    animation: none;
  }
}

.socials {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}

.contact-form-wrap {
  margin-top: 1.1rem;
  width: min(980px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.contact-form-separator {
  margin-top: 1rem;
  width: min(980px, 100%);
  margin-left: auto;
  margin-right: auto;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--card-border) 20%,
    var(--card-border) 80%,
    transparent 100%
  );
}

.contact-form-title {
  margin: 0 0 0.7rem;
  font-weight: 700;
  font-size: 1.03rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.contact-form {
  display: grid;
  gap: 0.55rem;
  width: 100%;
}

.hidden-field {
  display: none;
}

.form-label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.form-input,
.form-textarea {
  width: 100%;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text);
  border-radius: 12px;
  padding: 0.68rem 0.78rem;
  font: inherit;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.18);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  margin-top: 0.2rem;
  border: 1px solid var(--card-border);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--text);
  border-radius: 999px;
  padding: 0.68rem 1rem;
  font-weight: 700;
  cursor: pointer;
  justify-self: center;
  transition:
    transform 0.2s ease,
    filter 0.2s ease;
}

.form-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(0.12);
}

.form-toast {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%) translateY(12px);
  opacity: 0;
  pointer-events: none;
  z-index: 40;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text);
  border-radius: 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  padding: 0.65rem 0.95rem;
  font-size: 0.9rem;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.form-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.form-toast.success {
  border-color: rgba(86, 224, 197, 0.45);
}

.form-toast.error {
  border-color: rgba(255, 107, 107, 0.45);
}

.social-link {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--card-border);
  background: var(--card);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  min-width: 140px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.social-link:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  box-shadow:
    0 8px 18px rgba(91, 140, 255, 0.18),
    0 0 0 1px rgba(91, 140, 255, 0.16);
}

.brand i,
.eyebrow i,
.social-link i {
  transition: color 0.2s ease;
}

.brand:hover i,
.social-link:hover i {
  color: var(--accent);
}

.footer {
  width: min(1100px, calc(100% - 2rem));
  margin: 1.3rem auto 2rem;
  border-top: 1px solid var(--card-border);
  padding-top: 1.1rem;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 1rem;
}

.footer-col {
  display: grid;
  gap: 0.45rem;
  align-content: start;
}

.footer-brand {
  margin: 0;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
}

.footer-note {
  margin: 0;
  max-width: 36ch;
}

.footer-title {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
}

.footer-links {
  display: grid;
  gap: 0.35rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-copy {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--card-border);
  font-size: 0.86rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.hero.reveal {
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.scroll-fx {
  opacity: 0;
  transform: translateY(16px) scale(0.985);
  transition:
    opacity 0.42s ease,
    transform 0.46s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

.scroll-fx.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.hero .scroll-fx {
  transition:
    opacity 0.62s ease,
    transform 0.68s ease;
  transition-delay: calc(var(--reveal-delay, 0ms) + 40ms);
}

@media (max-width: 760px) {
  .topbar {
    padding: 0.7rem;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
  }

  .menu {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 0.65rem;
  }

  .menu a {
    font-size: 0.88rem;
    min-width: 88px;
  }

  .topbar-actions {
    margin-left: auto;
  }

  .hero {
    min-height: calc(100vh - 9.5rem);
    text-align: center;
  }

  .section {
    margin-top: 2.4rem;
  }

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

  .hero-content {
    align-items: center;
    min-height: 0;
  }

  .hero-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(520px, 100%);
  }

  .hero-photo-panel {
    min-height: 320px;
    max-width: 340px;
    width: 100%;
    margin: 0 auto;
  }

  .hero-photo-flip {
    height: 320px;
  }

  .hero-photo-front {
    background-position: 58% top;
  }

  .hero-value-grid {
    grid-template-columns: 1fr;
    width: min(640px, 100%);
  }
}

@media (max-width: 480px) {
  .topbar-actions {
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }

  .lang-btn {
    font-size: 0.74rem;
  }

  .hero {
    min-height: calc(100vh - 8.8rem);
  }

  .hero-pill {
    font-size: 0.74rem;
    min-height: 32px;
    white-space: normal;
  }

  .hero .lead {
    min-height: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer-copy {
    margin-top: 0.8rem;
  }

  .hero-photo-panel {
    min-height: 260px;
    max-width: 300px;
  }

  .hero-photo-flip {
    height: 260px;
  }

  .hero-photo-front {
    background-position: 56% top;
  }
}