/* =========================
   GLOBAL
========================= */

:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5f6b7a;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --border: #9fc2f5;
  --border-light: #d9e7f8;
  --dark: #0f2027;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Arial,
    sans-serif;

  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}


/* =========================
   HERO
========================= */

.hero {
  position: relative;

  min-height: 690px;

  padding: 35px 20px 55px;

  text-align: center;

  color: white;

  background:
    linear-gradient(
      180deg,
      rgba(3, 12, 24, 0.05) 0%,
      rgba(3, 12, 24, 0.20) 100%
    ),
    url("Assets/wide_dark_futuristic_technology_background_scene.png?V=2");

  background-size: cover;

  background-position: center center;

  background-repeat: no-repeat;
}


.hero-content {
  position: relative;

  z-index: 1;

  max-width: 1250px;

  margin: 0 auto;

  padding-top: 55px;
}


/* =========================
   SITE BRAND
========================= */

.site-brand {
  margin-bottom: 70px;
}


.brand-text {
  display: inline-flex;

  flex-direction: column;

  align-items: center;

  color: #f4f8fc;

  text-transform: uppercase;

  font-weight: 700;

  letter-spacing: 0.055em;

  line-height: 0.95;

  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.35);
}


.brand-text span:first-child {
  font-size: clamp(42px, 5vw, 78px);
}


.brand-text span:last-child {
  margin-top: 8px;

  font-size: clamp(42px, 5vw, 78px);
}


/* =========================
   HERO TEXT
========================= */

.hero-positioning {
  margin: 0;

  font-size: clamp(20px, 2.1vw, 28px);

  line-height: 1.35;

  color: #f4f8fc;

  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}


.hero-subtitle {
  max-width: 850px;

  margin: 16px auto 0;

  font-size: 17px;

  line-height: 1.5;

  color: #d0dce6;

  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.30);
}


/* =========================
   NAVIGATION
========================= */

nav {
  margin-top: 24px;

  display: flex;

  justify-content: center;

  align-items: center;

  flex-wrap: wrap;

  gap: 12px;
}


nav a {
  display: inline-flex;

  align-items: center;

  justify-content: center;

  padding: 10px 18px;

  color: #e6edf7;

  font-weight: 700;

  font-size: 13px;

  letter-spacing: 0.08em;

  text-transform: uppercase;

  text-decoration: none;

  border: 1px solid rgba(159, 194, 245, 0.65);

  border-radius: 7px;

  background: rgba(6, 19, 36, 0.42);

  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}


nav a:hover {
  text-decoration: none;

  background: rgba(37, 99, 235, 0.20);

  border-color: #9fc2f5;

  transform: translateY(-1px);
}


nav a.active {
  background: rgba(37, 99, 235, 0.35);

  border-color: #9fc2f5;

  color: #ffffff;
}


/* =========================
   MAIN CONTAINER
========================= */

.container {
  position: relative;

  z-index: 2;

  max-width: 1050px;

  margin: -120px auto 0;

  padding: 42px 50px 50px;

  background: rgba(255, 255, 255, 0.96);

  border-radius: 18px 18px 0 0;

  box-shadow:
    0 12px 40px rgba(15, 32, 39, 0.10);
}


/* =========================
   SECTIONS
========================= */

section {
  padding: 10px 0 42px;
}


section + section {
  padding-top: 42px;

  border-top: 1px solid var(--border-light);
}


.section-label {
  margin-bottom: 12px;

  color: #315a9b;

  font-size: 13px;

  font-weight: 700;

  letter-spacing: 0.16em;

  text-transform: uppercase;
}


h2 {
  font-size: clamp(30px, 4vw, 40px);

  line-height: 1.2;

  margin: 0 0 16px;

  letter-spacing: -0.8px;
}


.section-intro {
  max-width: 780px;

  color: var(--muted);

  font-size: 18px;

  margin-top: 0;

  margin-bottom: 0;
}


/* =========================
   ABOUT
========================= */

.about-highlight {
  font-size: 21px;

  line-height: 1.6;

  max-width: 850px;

  margin-top: 0;
}


.about-copy {
  max-width: 850px;

  color: var(--muted);
}


.about-copy p {
  margin: 18px 0;
}


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


/* =========================
   FOCUS AREAS
========================= */

.focus-grid {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 18px;

  margin-top: 24px;
}


.focus-card {
  padding: 24px;

  border: 1px solid var(--border);

  border-radius: 10px;

  background: #fbfcfe;
}


.focus-card h3 {
  margin-top: 0;

  margin-bottom: 8px;

  font-size: 20px;
}


.focus-card p {
  color: var(--muted);

  margin-bottom: 0;
}


/* =========================
   EXPERIENCE
========================= */

.experience-list {
  margin-top: 22px;
}


.experience-item {
  padding: 22px 0;

  border-bottom: 1px solid var(--border-light);
}


.experience-item:first-child {
  padding-top: 10px;
}


.experience-item:last-child {
  border-bottom: none;

  padding-bottom: 0;
}


.experience-meta {
  color: var(--accent);

  font-size: 13px;

  font-weight: 700;

  text-transform: uppercase;

  letter-spacing: 1px;

  margin-bottom: 6px;
}


.experience-item h3 {
  margin: 0 0 8px;

  font-size: 24px;
}


.experience-item p {
  margin: 0;

  color: var(--muted);

  max-width: 850px;
}


/* =========================
   WRITING
========================= */

.writing-grid {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 18px;

  margin-top: 24px;
}


.article-card {
  display: block;

  padding: 24px;

  border: 1px solid var(--border);

  border-radius: 10px;

  background: #ffffff;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}


.article-card:hover {
  transform: translateY(-3px);

  text-decoration: none;

  border-color: var(--accent);

  box-shadow:
    0 10px 30px rgba(37, 99, 235, 0.12);
}


.article-type {
  color: var(--accent);

  text-transform: uppercase;

  letter-spacing: 1px;

  font-size: 12px;

  font-weight: 700;

  margin-bottom: 8px;
}


.article-card h3 {
  color: var(--text);

  margin: 0 0 10px;

  font-size: 21px;

  line-height: 1.35;
}


.article-card p {
  color: var(--muted);

  margin: 0;

  font-size: 15px;
}


.writing-more {
  margin-top: 22px;
}


.writing-more a {
  display: inline-block;

  padding: 10px 16px;

  border: 1px solid var(--border);

  border-radius: 7px;

  font-weight: 600;
}


.writing-more a:hover {
  background: #f4f8ff;

  border-color: var(--accent);

  text-decoration: none;
}


/* =========================
   CONNECT
========================= */

.connect {
  text-align: center;

  padding-bottom: 20px;
}


.connect .section-label {
  text-align: center;
}


.connect h2 {
  max-width: 780px;

  margin-left: auto;

  margin-right: auto;
}


.connect > p {
  max-width: 780px;

  margin: 0 auto 14px;

  color: var(--muted);
}


.engagement-grid {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 18px;

  margin: 26px auto 22px;

  max-width: 900px;

  text-align: left;
}


.engagement-card {
  padding: 22px;

  border: 1px solid var(--border);

  border-radius: 10px;

  background: #fbfcfe;
}


.engagement-card h3 {
  margin: 0 0 8px;

  font-size: 19px;

  color: var(--text);
}


.engagement-card p {
  margin: 0;

  color: var(--muted);

  font-size: 15px;
}


.engagement-card a {
  font-weight: 600;
}


.engagement-note {
  max-width: 820px;

  margin: 8px auto 24px;

  font-size: 14px;

  color: #718096;
}


.connect-links {
  display: flex;

  justify-content: center;

  flex-wrap: wrap;

  gap: 12px;
}


.connect-links a {
  display: inline-block;

  padding: 12px 20px;

  border-radius: 7px;

  border: 1px solid var(--border);

  font-weight: 600;

  color: var(--text);

  background: white;

  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}


.connect-links a:hover {
  background: #f4f8ff;

  border-color: var(--accent);

  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.10);

  text-decoration: none;
}


/* =========================
   FOOTER
========================= */

.footer {
  max-width: 1050px;

  margin: 0 auto;

  padding: 28px 20px 40px;

  text-align: center;

  color: #718096;

  font-size: 14px;
}


.footer p {
  margin: 0;
}


.updated-version {
  margin-top: 8px;

  font-size: 8px;

  color: #94a3b8;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 800px) {

  .hero {
    min-height: 640px;

    padding: 25px 20px 45px;

    background-position: 62% center;
  }


  .hero-content {
    padding-top: 40px;
  }


  .site-brand {
    margin-bottom: 60px;
  }


  .brand-text span:first-child,
  .brand-text span:last-child {
    font-size: clamp(36px, 10vw, 54px);
  }


  .hero-positioning {
    font-size: 20px;

    line-height: 1.35;
  }


  .hero-subtitle {
    font-size: 15px;
  }


  nav {
    gap: 8px;
  }


  nav a {
    padding: 9px 13px;

    font-size: 11px;
  }


  .container {
    margin: -90px 15px 0;

    padding: 30px 25px 35px;

    border-radius: 16px 16px 0 0;
  }


  section {
    padding: 6px 0 34px;
  }


  section + section {
    padding-top: 34px;
  }


  .focus-grid,
  .writing-grid,
  .engagement-grid {
    grid-template-columns: 1fr;
  }


  .focus-card,
  .article-card,
  .engagement-card {
    padding: 20px;
  }

}