/* ===========================
 Global theme
 =========================== */

/* Font setup */
:root {
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

:root {
  --bg-page: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.6);
  --bg-card-solid: #1e2537;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent: #38bdf8;
  --border-color: rgba(148, 163, 184, 0.2);
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --max-width: 1200px;
  --font-stack: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
}

/* ===========================
  Typography - headings, nav, buttons
=========================== */
h1, h2, h3,
.section-title,
.hero-title,
.section-eyebrow,
.navbar a,
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.02em;
}
/* ===========================
  Layout helpers
=========================== */
.wrapper {
  max-width: var(--max-width);
  padding: 2rem 1.5rem 5rem;
  margin: 0 auto;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0 0 2rem 0;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.4);
  padding: 0.4rem 0.6rem;
  border-radius: 0.5rem;
  width: fit-content;
}

.section-title {
  font-size: clamp(1.25rem, 1vw + 1rem, 1.5rem);
  font-weight: 600;
  color: #fff;
  margin: 0;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 42rem;
  margin: 0;
  line-height: 1.4;
}

/* ===========================
  Header / nav
=========================== */
.site-header {
  border-bottom: 1px solid var(--border-color);
  background: radial-gradient(circle at 20% 0%, rgba(56,189,248,0.08) 0%, rgba(15,23,42,0) 60%);
  backdrop-filter: blur(6px);
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
}

.nav-left .brand {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  text-decoration: none;
}

.nav-left .sub {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.nav-right a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 1.5rem;
  transition: color 0.15s;
}

.nav-right a:hover {
  color: var(--accent);
}

/* ===========================
  Hero card
=========================== */
.hero-grid {
  display: grid;
  gap: 2rem;
}

@media(min-width: 800px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: 0 30px 80px rgba(0,0,0,0.8);
  position: relative;
  overflow: hidden;
}

.hero-chip {
  font-size: 0.7rem;
  color: var(--accent);
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.4);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
  width: fit-content;
  margin-bottom: 1rem;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(1.4rem, 1vw + 1rem, 1.8rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  margin: 0 0 1rem;
}

.hero-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0 0 1.5rem;
  max-width: 36rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  font-size: 0.8rem;
  line-height: 1.2rem;
  font-weight: 500;
  padding: 0.6rem 0.8rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border-color);
  background-color: rgba(30,41,59,0.4);
  color: #fff;
  text-decoration: none;
  transition: all 0.15s;
}

.btn-accent {
  background: radial-gradient(circle at 0% 0%, rgba(56,189,248,0.25) 0%, rgba(15,23,42,0) 60%), rgba(30,41,59,0.6);
  border-color: rgba(56,189,248,0.5);
  color: var(--accent);
  font-weight: 600;
}

.btn:hover {
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
  border-color: rgba(148,163,184,0.4);
  transform: translateY(-1px);
  color: #fff;
}

/* ===========================
  Project cards
=========================== */
.project-grid {
  display: grid;
  gap: 1.5rem;
}

@media(min-width: 650px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media(min-width: 1000px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem 1rem 1.25rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
  text-decoration: none;
  color: inherit;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  overflow: hidden;
  transition: all 0.15s;
}

.project-card:hover {
  transform: translateY(-2px) scale(1.01);
  border-color: rgba(56,189,248,0.4);
  box-shadow: 0 30px 80px rgba(0,0,0,0.9), 0 0 30px rgba(56,189,248,0.25);
}

.thumb {
  background-color: #1e2537;
  border: 1px solid rgba(148,163,184,0.2);
  border-radius: 0.7rem;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 1rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.project-name {
  color: #fff;
  font-weight: 500;
  font-size: 0.9rem;
  line-height: 1.3;
  margin: 0 0 0.4rem;
}

.project-meta {
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
  margin: 0;
  flex-grow: 1;
}

/* ===========================
  Footer
=========================== */
.site-footer {
  margin-top: 4rem;
  padding: 2rem 1.5rem 4rem;
  background: radial-gradient(circle at 80% 0%, rgba(56,189,248,0.08) 0%, rgba(15,23,42,0) 60%);
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-align: center;
  line-height: 1.4;
}
.site-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.about-flex-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
}

.about-portrait {
  flex: 0 0 220px;
  max-width: 220px;
  text-align: center;
}

.about-portrait img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.1);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.about-copy {
  flex: 1 1 260px;
  min-width: 260px;
}

/* Don't wrap unless we're on a smaller screen */
@media (min-width: 800px) {
  .about-flex-row {
    flex-wrap: nowrap;
  }
}