:root {
  --bg: #0b0d12;
  --bg-alt: #12151c;
  --card: #171b24;
  --border: #262b38;
  --text: #e7e9ee;
  --text-muted: #9aa1b1;
  --accent: #6ee7b7;
  --accent-2: #7dd3fc;
  --radius: 12px;
  --max-w: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a { color: inherit; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 24px;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 14px;
    display: none;
  }
  .nav-links.open { display: flex; }
}

/* Hero */
.hero {
  padding: 96px 24px 72px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  margin: 0 0 12px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 12px;
  line-height: 1.1;
}
.tagline {
  color: var(--accent-2);
  font-size: 1.05rem;
  margin: 0 0 20px;
  font-weight: 500;
}
.hero-desc {
  max-width: 620px;
  color: var(--text-muted);
  margin: 0 0 32px;
}
.hero-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.15s;
}
.btn:hover { opacity: 0.85; }
.btn-primary {
  background: var(--accent);
  color: #06210f;
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

/* Sections */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px 24px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-size: 1.7rem;
  margin: 0 0 8px;
}
.section-sub {
  color: var(--text-muted);
  margin: 0 0 36px;
}

.about-grid p { color: var(--text-muted); }
.facts {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.facts strong { color: var(--text); }
.facts li { color: var(--text-muted); }

/* Cases */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.case {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.case-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.case-head h3 {
  font-size: 1.08rem;
  margin: 0;
  line-height: 1.35;
}
.tag {
  flex-shrink: 0;
  background: rgba(110, 231, 183, 0.12);
  color: var(--accent);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}
.case-body p {
  margin: 0 0 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.case-body strong { color: var(--text); }
.case-tech {
  font-size: 0.82rem !important;
  color: var(--accent-2) !important;
  margin-top: 14px !important;
}
.case-link {
  margin-top: auto;
  padding-top: 14px;
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}
.case-link:hover { text-decoration: underline; }

.more-projects {
  margin-top: 40px;
}
.more-projects h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.more-projects ul {
  padding-left: 20px;
  color: var(--text-muted);
}
.more-projects li { margin-bottom: 8px; }
.more-projects a {
  color: var(--accent-2);
  text-decoration: none;
}
.more-projects a:hover { text-decoration: underline; }

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.skill-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.skill-card h4 {
  margin: 0 0 8px;
  font-size: 0.98rem;
  color: var(--accent-2);
}
.skill-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* Contact */
.contact { border-bottom: none; text-align: left; }
.contact p { color: var(--text-muted); margin-bottom: 24px; }

/* Footer */
.footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
}