:root {
  --page: #f6f1e8;
  --ink: #162530;
  --muted: #4d616e;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --line: #d6d9d4;
  --accent: #0f8e84;
  --accent-2: #de6e3d;
  --bg-start: #f5efe4;
  --bg-mid: #f6f1e8;
  --bg-end: #f7f7f3;
  --bg-radial-1: rgba(15, 142, 132, 0.18);
  --bg-radial-2: rgba(222, 110, 61, 0.16);
  --shape-1: rgba(15, 142, 132, 0.24);
  --shape-2: rgba(222, 110, 61, 0.2);
  --header-bg: rgba(248, 245, 238, 0.78);
  --footer-bg: rgba(248, 245, 238, 0.88);
  --nav-active-bg: rgba(15, 142, 132, 0.16);
  --contact-divider: rgba(214, 217, 212, 0.7);
  --tag-bg: rgba(15, 142, 132, 0.12);
  --company-card-start: rgba(255, 255, 255, 0.9);
  --shadow: 0 18px 45px rgba(22, 37, 48, 0.12);
}

:root[data-theme="dark"] {
  --page: #0f171d;
  --ink: #e8f0f4;
  --muted: #a9bcc8;
  --surface: #152129;
  --surface-strong: #1a2933;
  --line: #2c3e49;
  --accent: #45d6c6;
  --accent-2: #f6a56f;
  --bg-start: #0a1116;
  --bg-mid: #0f171d;
  --bg-end: #0c1419;
  --bg-radial-1: rgba(69, 214, 198, 0.2);
  --bg-radial-2: rgba(246, 165, 111, 0.14);
  --shape-1: rgba(69, 214, 198, 0.26);
  --shape-2: rgba(246, 165, 111, 0.18);
  --header-bg: rgba(8, 14, 19, 0.8);
  --footer-bg: rgba(8, 14, 19, 0.85);
  --nav-active-bg: rgba(69, 214, 198, 0.22);
  --contact-divider: rgba(44, 62, 73, 0.85);
  --tag-bg: rgba(69, 214, 198, 0.18);
  --company-card-start: #1b2a34;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, var(--bg-radial-1), transparent 32%),
    radial-gradient(circle at 87% 16%, var(--bg-radial-2), transparent 28%),
    linear-gradient(180deg, var(--bg-start) 0%, var(--bg-mid) 52%, var(--bg-end) 100%);
  font-family: "Newsreader", Georgia, serif;
  line-height: 1.6;
  transition: color 0.35s ease, background 0.35s ease;
}

.bg-shape {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(60px);
  pointer-events: none;
}

.bg-shape-1 {
  width: 360px;
  height: 360px;
  top: -120px;
  right: -80px;
  background: var(--shape-1);
}

.bg-shape-2 {
  width: 300px;
  height: 300px;
  bottom: 30%;
  left: -120px;
  background: var(--shape-2);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: var(--header-bg);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  gap: 24px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-family: "Sora", sans-serif;
  text-decoration: none;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-family: "Sora", sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 10px;
  border-radius: 999px;
  transition: color 0.25s ease, background-color 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--ink);
  background: var(--nav-active-bg);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-family: "Sora", sans-serif;
  font-weight: 600;
  font-size: 0.84rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

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

.hero {
  padding: clamp(48px, 8vw, 96px) 0 36px;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.78rem;
  font-family: "Sora", sans-serif;
  color: var(--muted);
  font-weight: 600;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.2;
  font-family: "Sora", sans-serif;
}

h1 {
  margin-top: 10px;
  font-size: clamp(2rem, 5vw, 3.35rem);
  max-width: 16ch;
}

.hero-copy {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: var(--muted);
}

.hero-cta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-family: "Sora", sans-serif;
  font-weight: 600;
  padding: 10px 18px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

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

.btn-primary {
  color: #ffffff;
  background: linear-gradient(120deg, var(--accent), #0b7f77);
  box-shadow: 0 10px 20px rgba(15, 142, 132, 0.26);
}

.btn-secondary {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
}

.btn-download {
  color: var(--ink);
  background: var(--tag-bg);
  border-color: var(--line);
}

.contact-card {
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 18px;
  padding: 22px;
}

.contact-card h2 {
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.contact-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.contact-card li {
  border-bottom: 1px dashed var(--contact-divider);
  padding-bottom: 10px;
}

.contact-card li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-card span {
  display: block;
  font-family: "Sora", sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  margin-bottom: 2px;
}

.contact-card a,
.contact-card p {
  margin: 0;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

.section {
  padding: clamp(32px, 4vw, 56px) 0;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.section-copy {
  margin: 0;
  max-width: 78ch;
  color: var(--muted);
}

.stats-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 16px;
  box-shadow: 0 8px 16px rgba(22, 37, 48, 0.06);
}

.stat-num {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--accent-2);
  font-weight: 700;
}

.stat-label {
  margin: 10px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.company-card {
  background: linear-gradient(145deg, var(--company-card-start), var(--surface));
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 28px);
}

.company-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.company-top h3 {
  font-size: 1.3rem;
}

.role {
  margin: 4px 0 0;
  font-family: "Sora", sans-serif;
  color: var(--muted);
}

.date {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 0.92rem;
  color: var(--muted);
}

.company-note {
  margin: 12px 0 0;
  color: var(--muted);
}

.engagement-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.engagement {
  position: relative;
  padding: 16px 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
}

.engagement::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.engagement-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.engagement-head h4 {
  font-size: 0.99rem;
}

.engagement-head p {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
}

.engagement ul {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 8px;
}

.engagement li {
  color: var(--muted);
  font-size: 0.98rem;
}

.edu-card,
.skills-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 15px rgba(22, 37, 48, 0.06);
}

.edu-card {
  padding: 22px;
}

.edu-card h3 {
  font-size: 1.18rem;
}

.edu-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.edu-meta {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.edu-meta span {
  font-family: "Sora", sans-serif;
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 142, 132, 0.12);
  color: var(--ink);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.skills-card {
  padding: 20px;
}

.skills-card h3 {
  font-size: 1.06rem;
}

.skills-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 15px rgba(22, 37, 48, 0.06);
  padding: 20px;
}

.project-card h3 {
  font-size: 1.04rem;
}

.project-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.project-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tags span {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--tag-bg);
  font-family: "Sora", sans-serif;
  font-size: 0.78rem;
  color: var(--ink);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 15px rgba(22, 37, 48, 0.06);
  padding: 20px;
}

.cert-card h3 {
  font-size: 1.06rem;
}

.cert-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.cert-list {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.site-footer {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  background: var(--footer-bg);
}

.site-footer p {
  margin: 0;
  padding: 20px 0;
  font-family: "Sora", sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .engagement-grid,
  .skills-grid,
  .project-grid,
  .cert-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .nav-wrap {
    min-height: auto;
    padding: 12px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .nav-actions {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .theme-toggle {
    width: 100%;
    justify-content: center;
  }

  h1 {
    max-width: none;
  }

  .stats-grid,
  .engagement-grid,
  .skills-grid,
  .project-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .btn,
  .nav-link {
    transition: none;
  }
}