:root {
  --navy: #0F2A4A;
  --slate: #475569;
  --orange: #C2410C;
  --bg: #F7F8FA;
  --card: #FFFFFF;
  --border: #E2E8F0;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.7;
  color: var(--slate);
  background-color: #DCE6F3;
  background-image:
    radial-gradient(rgba(15, 42, 74, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, #E8EEF7 0%, #D3DFEF 100%);
  background-size: 22px 22px, 100% 100%;
}

header {
  background: var(--navy);
  color: #ffffff;
  padding: 4rem 1.5rem;
  text-align: center;
}

header h1 {
  margin: 0 0 0.5rem;
  font-size: 2.5rem;
}

header p {
  margin: 0;
  color: #cbd5e1;
  font-size: 1.1rem;
}

section {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

h2 {
  color: var(--navy);
  font-size: 1.8rem;
  display: inline-block;
  border-bottom: 3px solid var(--orange);
  padding-bottom: 0.4rem;
}

h3 {
  color: var(--navy);
}

a {
  color: var(--orange);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

article {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: 0 1px 3px rgba(15, 42, 74, 0.08);
}

article h3 {
  margin-top: 0;
}

article ul {
  padding-left: 1.2rem;
}

article li {
  margin-bottom: 0.5rem;
}

.tags {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tags li {
  background: #E8EEF6;
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  margin: 0;
}

.skill-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.skill-groups article {
  margin-bottom: 0;
}
.gallery {  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.gallery img {
  width: 100%;
  display: block;
}

.button {
  display: inline-block;
  background: var(--orange);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
}

html {
  scroll-behavior: smooth;
}
nav {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  position: sticky;
  top: 0;
  z-index: 10;
}
nav ul {
  list-style: none;
  margin: 0;
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 600;
}
nav a:hover {
  color: #ffffff;
}
section {
  scroll-margin-top: 3.5rem;
}
#contact ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
#contact li a {
  display: inline-block;
  background: transparent;
  color: var(--orange);
  border: 2px solid var(--orange);
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  overflow-wrap: anywhere;
}
#contact li:first-child a {
  background: var(--orange);
  color: #ffffff;
}
#contact li a:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #ffffff;
}
.hero-intro {  max-width: 640px;
  margin: 1rem auto 0;
  line-height: 1.6;
}
.hero .tags {
  justify-content: center;
  margin: 1.5rem 0;
}
.hero-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero .button {
  border: 2px solid var(--orange);
}
.hero .button-outline {
  background: transparent;
  border-color: #cbd5e1;
}
.hero .button:hover {
  background: #ffffff;
  color: var(--navy);
  border-color: #ffffff;
}
.button:hover {
  background: var(--navy);
}

html {
  scroll-behavior: smooth;
}

nav {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  color: #ffffff;
}

section {
  scroll-margin-top: 3.5rem;
}
.profile-photo {
  display: block;
  width: 180px;
  height: 180px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 4px solid var(--orange);
}
.eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
}

.result {
  background: #F1F5F9;
  border-left: 4px solid var(--orange);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
}

details {
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 700;
}

details[open] summary {
  margin-bottom: 0.75rem;
}

.glance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.75rem 0 0;
}

.glance div {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
}

.glance dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
}

.glance dd {
  margin: 0.2rem 0 0;
  color: var(--navy);
  font-weight: 600;
}
.timeline {
  position: relative;
  margin-top: 1.5rem;
  padding-left: 1.75rem;
  border-left: 3px solid rgba(15, 42, 74, 0.2);
}

.entry {
  position: relative;
}

.entry::before {
  content: "";
  position: absolute;
  left: calc(-1.75rem - 8.5px);
  top: 1.6rem;
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: var(--orange);
}

.entry h3 {
  margin: 0 0 0.15rem;
  font-size: 1.15rem;
}

.where {
  margin: 0 0 0.6rem;
  color: var(--navy);
  font-weight: 600;
}
.lead {
  max-width: 640px;
  font-size: 1.15rem;
  color: var(--navy);
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--slate);
  font-size: 0.9rem;
}

footer p {
  margin: 0;
}
.back-link { margin: 0 0 1.25rem; font-size: 0.95rem; }
.back-link a { color: #cbd5e1; text-decoration: none; font-weight: 600; }
.back-link a:hover { color: #ffffff; }
.case h2 { margin-top: 2.5rem; }
.case h2:first-child { margin-top: 0; }
.case h3 { margin-top: 1.5rem; }
.case figure { margin: 1.5rem 0; }
.case figure img { display: block; margin-bottom: 0.75rem; }
.case figcaption { margin-top: 0.5rem; font-size: 0.9rem; text-align: center; }
.table-wrap { overflow-x: auto; margin: 1.25rem 0; }
table { width: 100%; border-collapse: collapse; background: var(--card); font-size: 0.92rem; }
th, td { border: 1px solid var(--border); padding: 0.6rem 0.75rem; text-align: right; }
th { background: var(--navy); color: #ffffff; }
th:first-child, td:first-child { text-align: left; }
.case-example {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--orange);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.case-example h3:first-child {
  margin-top: 0;
}

th.left,
td.left {
  text-align: left;
}