:root {
  --font-body: "Space Grotesk", "Segoe UI", sans-serif;
  --font-display: "Fraunces", Georgia, serif;

  --bg: #f8f3ea;
  --bg-alt: #ebe0cc;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: #fffefb;
  --text: #1f1c18;
  --muted: #61564a;
  --line: #d3c5ab;
  --brand: #c5521f;
  --brand-strong: #913a16;
  --chip: #f7e4d6;
  --shadow: 0 16px 48px rgba(67, 37, 8, 0.13);

  --glow-a: #ffd7ad;
  --glow-b: #cde6db;
  --header-grad-a: rgba(255, 255, 255, 0.54);
  --header-grad-b: rgba(255, 255, 255, 0.16);
  --header-shadow-scrolled: 0 14px 30px rgba(36, 24, 14, 0.14);
  --surface-soft: rgba(255, 255, 255, 0.58);
  --card-hover: rgba(255, 255, 255, 0.88);
  --mesh-a: rgba(255, 168, 95, 0.22);
  --mesh-b: rgba(92, 177, 152, 0.18);
  --ring-a: #de6f3a;
  --ring-b: #e6ba53;
  --ring-c: #51b88b;
}

html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

html[data-theme="dark"] {
  --bg: #0f161e;
  --bg-alt: #172431;
  --surface: rgba(24, 34, 45, 0.74);
  --surface-strong: #1b2a37;
  --text: #edf3f7;
  --muted: #a8b6c2;
  --line: #304354;
  --brand: #ff9556;
  --brand-strong: #cf6f33;
  --chip: #253646;
  --shadow: 0 16px 48px rgba(2, 8, 17, 0.36);

  --glow-a: #873d1c;
  --glow-b: #134a4b;
  --header-grad-a: rgba(27, 42, 55, 0.74);
  --header-grad-b: rgba(27, 42, 55, 0.3);
  --header-shadow-scrolled: 0 14px 30px rgba(0, 0, 0, 0.34);
  --surface-soft: rgba(30, 44, 58, 0.56);
  --card-hover: rgba(33, 48, 62, 0.92);
  --mesh-a: rgba(172, 90, 54, 0.3);
  --mesh-b: rgba(42, 140, 120, 0.24);
  --ring-a: #ff9556;
  --ring-b: #f3ba67;
  --ring-c: #56c8a0;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: radial-gradient(circle at 2% 10%, var(--bg-alt), transparent 52%),
    radial-gradient(circle at 88% 0%, var(--bg-alt), transparent 40%),
    linear-gradient(165deg, transparent 0%, var(--mesh-a) 40%, transparent 76%),
    linear-gradient(24deg, transparent 0%, var(--mesh-b) 45%, transparent 83%),
    var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

.page-glow {
  position: fixed;
  inset: auto -140px -120px auto;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(18px);
  background: radial-gradient(circle, var(--glow-a), transparent 62%),
    radial-gradient(circle at 20% 70%, var(--glow-b), transparent 66%);
  opacity: 0.54;
  z-index: -1;
}

.page-glow::before {
  content: "";
  position: absolute;
  inset: -110px auto auto -520px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--mesh-a), transparent 70%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 8;
  margin: 1rem auto 0.25rem;
  width: 100%;
  max-width: 1160px;
  padding: 0.95rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.85rem;
  align-items: center;
  background: linear-gradient(120deg, var(--header-grad-a), var(--header-grad-b));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: max-width 0.45s ease, margin-top 0.45s ease,
    border-radius 0.45s ease, padding 0.45s ease, box-shadow 0.45s ease,
    background 0.45s ease;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.25) 46%,
    transparent 78%
  );
  pointer-events: none;
}

.site-header.is-scrolled {
  margin-top: 0;
  max-width: 100vw;
  border-radius: 0;
  padding-block: 0.78rem;
  box-shadow: var(--header-shadow-scrolled);
}

.header-intro {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  min-width: 0;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
}

.header-note {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
}

.header-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
}

.header-nav a {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.32rem 0.68rem;
  font-size: 0.84rem;
  font-weight: 600;
  background: linear-gradient(140deg, var(--surface-strong), var(--surface-soft));
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease,
    background 0.2s ease;
}

.header-nav a:hover {
  border-color: var(--brand);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.11);
}

.header-nav a.is-active {
  border-color: var(--brand);
  background: linear-gradient(140deg, var(--chip), var(--surface-strong));
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.11);
}

.header-tools {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-strong);
  color: var(--text);
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.24rem;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.menu-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--brand);
}

.menu-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-header.menu-open .menu-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.menu-open .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.menu-open .menu-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.theme-toggle {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  border-radius: 999px;
  padding: 0.35rem 0.6rem 0.35rem 0.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--brand);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.12);
}

.toggle-track {
  width: 45px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-alt);
  position: relative;
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand);
  transition: transform 0.25s ease;
}

html[data-theme="dark"] .toggle-thumb {
  transform: translateX(20px);
}

.main-content {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0.65rem 1.1rem 2.6rem;
}

#home,
#about,
#experience,
#skills,
#certifications,
#education,
#awards,
#contact {
  scroll-margin-top: 6.5rem;
}

.card {
  background: linear-gradient(155deg, var(--surface), var(--surface-soft));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  transition: transform 0.25s ease, box-shadow 0.25s ease,
    border-color 0.25s ease, background 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--brand);
  background: linear-gradient(155deg, var(--card-hover), var(--surface-soft));
  box-shadow: 0 22px 38px rgba(0, 0, 0, 0.14);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero {
  padding: clamp(1.4rem, 4vw, 2.2rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -60px -180px auto auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--mesh-a), transparent 68%);
  pointer-events: none;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 320px);
  align-items: center;
  gap: 1.2rem;
}

.hero-content {
  min-width: 0;
}

.eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  padding: 0.28rem 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--muted);
}

.hero h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5.6vw, 3.5rem);
  line-height: 1.05;
  max-width: 18ch;
  text-wrap: balance;
}

.intro {
  margin: 1.1rem 0 0;
  color: var(--muted);
  max-width: 62ch;
}

.hero-meta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-meta span {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  border-radius: 999px;
  padding: 0.34rem 0.68rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.hero-photo-block {
  border-radius: 50%;
  background: linear-gradient(160deg, var(--surface-strong), var(--surface-soft));
  width: clamp(220px, 30vw, 320px);
  height: clamp(220px, 30vw, 320px);
  aspect-ratio: 1 / 1;
  padding: 0.42rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  justify-self: center;
  position: relative;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.hero-photo-block::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--line);
  box-sizing: border-box;
  pointer-events: none;
}

.profile-photo {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 12%;
  border-radius: 50%;
  border: 2px solid var(--surface-strong);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.hero-actions {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.fact-strip {
  margin-top: 1rem;
  padding: 0.85rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.fact-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(150deg, var(--surface-strong), var(--surface-soft));
  padding: 0.82rem 0.86rem;
  position: relative;
  overflow: hidden;
}

.fact-item::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), transparent);
}

.fact-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
}

.fact-item p {
  margin: 0.32rem 0 0;
  font-size: 0.86rem;
  color: var(--muted);
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.62rem 1rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--brand);
  color: #ffffff;
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  background: var(--brand-strong);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.btn-secondary:hover {
  border-color: var(--brand);
}

.content-grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.summary {
  grid-column: 5 / span 8;
  grid-row: 1;
  padding: 1.2rem;
}

.mission {
  grid-column: 1 / span 4;
  grid-row: 1;
  padding: 1.2rem;
}

.strengths,
.experience {
  grid-column: span 12;
  padding: 1.2rem;
}

.certifications,
.education,
.awards,
.contact {
  grid-column: span 6;
  padding: 1.2rem;
}

h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

h2::after {
  content: "";
  width: 52px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), transparent);
}

.summary p,
.mission p,
.experience p,
.certifications p,
.education p,
.awards p,
.contact p {
  color: var(--muted);
}

.chip-list {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.52rem;
}

.chip-list li {
  background: var(--chip);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.chip-list li:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.1);
}

.timeline {
  margin-top: 0.95rem;
  display: grid;
  gap: 0.82rem;
  position: relative;
  padding-left: 0.8rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.24rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), transparent);
}

.timeline-item {
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.12rem;
  top: 1.02rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--surface-strong);
}

.timeline-item:hover {
  transform: translateX(2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.13);
}

.timeline-item h3 {
  margin: 0;
  font-size: 1.03rem;
}

.timeline-meta {
  margin: 0.35rem 0 0.5rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.timeline-item ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
}

.timeline-item li {
  color: var(--muted);
}

.detail-list {
  margin: 0.95rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
}

.detail-list li {
  color: var(--muted);
}

.contact-links {
  margin-top: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.contact-links a {
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
  padding: 0;
}

.site-footer {
  max-width: 1160px;
  margin: 1rem auto 1.2rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(160deg, var(--surface), var(--surface-soft));
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  box-shadow: var(--shadow);
  text-align: center;
  color: var(--muted);
  padding: 0.8rem 1rem;
}

.site-footer p {
  margin: 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header {
    background: var(--surface-strong);
  }

  .site-header.is-scrolled {
    background: var(--surface-strong);
  }

  .card {
    background: var(--surface-strong);
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-tools {
    gap: 0.4rem;
  }

  .header-nav {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr;
    justify-content: stretch;
    gap: 0.4rem;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding-top: 0;
    pointer-events: none;
    transition: max-height 0.34s ease, opacity 0.28s ease, padding-top 0.28s ease;
  }

  .header-nav a {
    border-radius: 12px;
    padding: 0.55rem 0.72rem;
  }

  .site-header.menu-open .header-nav {
    max-height: 540px;
    opacity: 1;
    padding-top: 0.2rem;
    pointer-events: auto;
  }

  .fact-strip {
    grid-template-columns: 1fr;
  }

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

  .hero-photo-block {
    width: min(72vw, 320px);
    margin-inline: auto;
  }

  .timeline {
    padding-left: 0.68rem;
  }

  .timeline-item::before {
    left: -1.02rem;
  }

  .content-grid > .card {
    grid-column: span 12;
  }

  .summary,
  .mission {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    margin-top: 0.7rem;
    padding: 0.8rem;
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .site-header.is-scrolled {
    margin-top: 0;
    padding: 0.72rem 0.8rem;
  }

  .header-tools {
    justify-content: space-between;
    width: 100%;
  }

  .main-content {
    padding-inline: 0.8rem;
  }

  .hero-meta {
    gap: 0.4rem;
  }

  .hero-meta span {
    font-size: 0.78rem;
    padding: 0.3rem 0.56rem;
  }

  .hero h1 {
    font-size: clamp(1.7rem, 9.3vw, 2.3rem);
  }

  h2::after {
    width: 38px;
  }

  .toggle-label {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

}