/* ---- Base styles ---- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020617; /* very dark navy */
  color: #e5e7eb;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Layout ---- */
.site-wrapper {
  max-width: 960px;
  margin: 1.5rem auto 3rem;
  padding: 1.75rem 1.5rem 2.5rem;
  position: relative;
  background:
    radial-gradient(at top left, #0b1120, #020617 55%),
    radial-gradient(at bottom right, #022c22, #020617 60%);
  border-radius: 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.75);
}

header {
  padding-bottom: 0.75rem;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: #9ca3af;
}

.nav-links {
  display: flex;
  gap: 0.75rem;
  font-size: 0.88rem;
}

.nav-links a {
  text-decoration: none;
  color: #cbd5f5;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.nav-links a:hover {
  background: rgba(148, 163, 184, 0.15);
  color: #e5e7eb;
  transform: translateY(-1px);
}

/* ---- Hero / Home ---- */
.hero {
  margin-top: 2rem;
  margin-bottom: 2.25rem;
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 850px) {
  .hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.2fr);
    align-items: center;
  }
}

.hero-title {
  font-size: clamp(2.1rem, 3vw, 2.6rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
  color: #f9fafb;
}

.hero-subtitle {
  font-size: 1.02rem;
  color: #e5e7eb;
  line-height: 1.7;
  max-width: 40rem;
}

.hero-muted {
  margin-top: 0.4rem;
  font-size: 0.93rem;
  color: #9ca3af;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero visual (stock image) */
.hero-visual {
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: radial-gradient(circle at top, rgba(34, 197, 94, 0.16), transparent 60%),
              radial-gradient(circle at bottom, rgba(37, 99, 235, 0.22), transparent 60%);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 260px;
  object-fit: cover;
  mix-blend-mode: lighten;
  opacity: 0.95;
}

/* ---- Buttons ---- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease,
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

.button-primary {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #022c22;
  box-shadow: 0 16px 40px rgba(21, 128, 61, 0.5);
}

.button-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(22, 163, 74, 0.8);
}

.button-secondary {
  background: transparent;
  color: #bfdbfe;
  border: 1px solid rgba(148, 163, 184, 0.7);
}

.button-secondary:hover {
  background: rgba(15, 23, 42, 0.85);
  border-color: #22c55e;
}

/* ---- Sections & cards ---- */
.section {
  margin-top: 2.5rem;
}

.section-heading {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
  color: #f9fafb;
}

.section-subtext {
  font-size: 0.96rem;
  color: #9ca3af;
  max-width: 42rem;
}

.card-grid {
  margin-top: 1.25rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: radial-gradient(circle at top left, #020617, #020617 55%);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(30, 64, 175, 0.55);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.7);
}

.card-title {
  font-size: 0.98rem;
  font-weight: 550;
  margin-bottom: 0.3rem;
  color: #e5e7eb;
}

.card-tagline {
  font-size: 0.82rem;
  color: #9ca3af;
  margin-bottom: 0.45rem;
}

.card-body {
  font-size: 0.9rem;
  color: #d1d5db;
  line-height: 1.6;
}

/* ---- Work & Methods ---- */
.two-col {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 800px) {
  .two-col {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  }
}

.list-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.chip {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.12);
  color: #bbf7d0;
  font-size: 0.8rem;
  border: 1px solid rgba(34, 197, 94, 0.5);
}

/* ---- Sandbox ---- */
.highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.22);
  color: #bfdbfe;
  margin-bottom: 0.6rem;
}

.muted {
  font-size: 0.9rem;
  color: #9ca3af;
}

/* ---- Contact ---- */
.contact-list {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: #d1d5db;
}

.contact-list a {
  color: #93c5fd;
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

/* ---- Footer ---- */
footer {
  margin-top: auto;
  padding: 1.25rem 1.25rem 1.75rem;
  font-size: 0.8rem;
  color: #6b7280;
  text-align: center;
}

/* ---- Contact Form Styling (Dark Theme Consistent) ---- */

.contact-form label {
  font-size: 0.9rem;
  color: #e5e7eb;
  margin-bottom: 0.4rem;
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  margin-bottom: 1rem;
  border-radius: 0.6rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: #0f172a; /* dark navy, matches your cards */
  color: #f3f4f6;
  font-size: 0.92rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Hover + focus effects */
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #22c55e; /* green accent */
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
  outline: none;
}

.contact-form textarea {
  resize: vertical;
}

/* Disabled button styled */
.contact-form button[disabled] {
  background: #1e293b;
  color: #9ca3af;
  border: 1px solid rgba(148, 163, 184, 0.3);
  cursor: not-allowed;
  opacity: 0.75;
}