:root {
  --bg: #f4f7fc;
  --bg-soft: #ffffff;
  --text: #172338;
  --muted: #5f6f87;
  --line: #d8e2f0;
  --accent: #2474ff;
  --accent-soft: #e8f0ff;
  --success: #e7fff1;
  --error: #ffeef1;
  --radius: 16px;
  --shadow: 0 16px 40px rgba(37, 74, 132, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; max-width: 100%; overflow-x: hidden; }
body {
  font-family: "Space Grotesk", "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 340px at 100% 0%, #dbeaff 0%, transparent 70%),
    radial-gradient(700px 300px at 0% 0%, #eef5ff 0%, transparent 70%),
    var(--bg);
}
a { text-decoration: none; color: inherit; }

.container { width: min(88%, 1240px); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 800; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.nav { display: flex; align-items: center; gap: .45rem; }
.nav a {
  padding: .58rem .85rem;
  border-radius: 10px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: .2s ease;
}
.nav a:hover { color: var(--text); border-color: var(--line); background: #fff; }
.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 10px;
  padding: .46rem .75rem;
}

.section { padding: 2.2rem 0; }
.section-head h2 { margin: 0; font-size: clamp(1.5rem, 2.4vw, 2.05rem); }
.section-head p { margin: .45rem 0 0; color: var(--muted); }

.hero-full {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  padding: 2rem 0;
}
.hero-shell {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 1.2rem;
  align-items: center;
}
.hero-content h1 {
  margin: 0 0 .9rem;
  font-family: "Manrope", sans-serif;
  font-size: clamp(2rem, 5vw, 4.1rem);
  line-height: 1.06;
  max-width: 13ch;
}
.hero-content p {
  margin: 0;
  color: var(--muted);
  max-width: 66ch;
  line-height: 1.72;
  font-size: 1.06rem;
}
.hero-cta { margin-top: 1.2rem; display: flex; flex-wrap: wrap; gap: .7rem; }
.hero-logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-logo-lg {
  width: min(420px, 92%);
  height: auto;
  object-fit: contain;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: .74rem 1.06rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.btn.btn-ghost {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn.danger { background: #e63946; }

.projects-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.project-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: auto;
}
.project-banner {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
  display: block;
  background: transparent;
}
.project-body { padding: 1rem; }
.project-body h3 { margin: 0 0 .42rem; font-size: 1.2rem; }
.project-body p { margin: 0; color: var(--muted); line-height: 1.62; }
.project-body small {
  display: inline-block;
  margin-top: .6rem;
  background: var(--accent-soft);
  color: #2950a0;
  padding: .3rem .58rem;
  border-radius: 999px;
  font-size: .78rem;
}
.actions { margin-top: .9rem; display: flex; flex-wrap: wrap; gap: .6rem; }
.actions a {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .42rem .72rem;
  background: #fff;
  color: #2e4e91;
  font-weight: 600;
}

.social-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; }
.social {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: .9rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: .2rem;
}
.social span { font-weight: 700; }
.social small { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }

.contact-hero {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}
.contact-hero h1 { margin: 0 0 .4rem; }
.contact-hero p { margin: 0; color: var(--muted); }
.contact-chip {
  border: 1px solid #c7dafb;
  background: var(--accent-soft);
  color: #244995;
  padding: .56rem .72rem;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}
.contact-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 1rem;
}
.contact-card,
.contact-form-wrap,
.about-main,
.about-box,
.admin {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-card,
.contact-form-wrap,
.about-main,
.about-box,
.admin { padding: 1rem; }
.contact-card h2 { margin-top: 0; }
.contact-card p, .contact-card li { color: var(--muted); }
.contact-card ul { margin: .5rem 0 0 1rem; padding: 0; line-height: 1.7; }

.about-head h1 { margin: 0; }
.about-head p { margin: .5rem 0 0; color: var(--muted); }
.about-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 1rem;
}
.prose { line-height: 1.78; }
.about-side { display: grid; gap: 1rem; }
.about-box h3 { margin-top: 0; }
.about-box p { margin-bottom: 0; color: var(--muted); }
.about-portrait {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}
.about-portrait img {
  width: min(280px, 88%);
  height: auto;
  object-fit: contain;
}
.about-cta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.form { display: grid; gap: .8rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
label { display: grid; gap: .35rem; color: #40506a; font-weight: 500; }
input, textarea, button { font: inherit; }
input, textarea {
  width: 100%;
  border: 1px solid #cfdbed;
  background: #fff;
  color: var(--text);
  border-radius: 11px;
  padding: .67rem .76rem;
}
input:focus, textarea:focus {
  outline: 0;
  border-color: #7ba9f8;
  box-shadow: 0 0 0 3px rgba(36, 116, 255, .12);
}
.form .full { grid-column: 1 / -1; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; margin-top: .6rem; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border-bottom: 1px solid #e2ebf7; padding: .7rem; text-align: left; vertical-align: top; }

.msg { padding: .7rem .9rem; border-radius: 10px; }
.msg.ok { background: var(--success); border: 1px solid #b9f1d0; }
.msg.err { background: var(--error); border: 1px solid #ffcbd2; }

.footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-grid {
  padding: 1.25rem 0;
  display: grid;
  grid-template-columns: 1.2fr 1fr .8fr;
  gap: 1rem;
  align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: .72rem; }
.footer-brand img { width: 44px; height: 44px; object-fit: contain; }
.footer-brand strong { display: block; }
.footer-brand p { margin: .2rem 0 0; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: .45rem; justify-content: center; }
.footer-links a {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .36rem .6rem;
  color: #345182;
}
.footer-meta { text-align: right; color: var(--muted); }
.footer-meta p, .footer-meta small { margin: 0; display: block; }

@media (max-width: 1100px) {
  .hero-shell,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .projects-list { grid-template-columns: 1fr; }
  .social-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }
  .nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 76px;
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid var(--line);
    padding: .8rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    z-index: 99;
  }
  .nav.open { display: flex; }
  .nav a { text-align: center; }
  .contact-hero { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .footer-meta { text-align: center; }
  .grid-2, .social-row { grid-template-columns: 1fr; }
  .hero-full { min-height: auto; padding: 3rem 0 1rem; }
}