*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg-body: #f3f4f6;
  --bg-header: #020617;
  --bg-footer: #020617;
  --bg-card: #0f172a;
  --border-subtle: #e5e7eb;
  --accent: #6366f1;
  --accent-strong: #4f46e5;
  --text-main: #0f172a;
  --text-muted: #4b5563;
  --text-soft: #6b7280;
  --radius-lg: 16px;
  --shadow-soft: 0 18px 45px rgba(15,23,42,0.25);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* HEADER */

.site-header {
  background: radial-gradient(circle at top, #020617, #020617);
  color: #e5e7eb;
  border-bottom: 1px solid rgba(148,163,184,0.4);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.5rem;
  position: relative; /* so mobile nav can anchor to this */
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-image {
  height: 32px;
  width: auto;
  border-radius: 999px;
}

.logo-text {
  font-weight: 600;
  letter-spacing: 0.01em;
  font-size: 0.98rem;
}

.nav-links {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9rem;
}
.nav-links a {
  color: #cbd5f5;
  padding: 0.2rem 0.4rem;
  border-radius: 999px;
}
.nav-links a:hover {
  background: rgba(15,23,42,0.9);
  color: #e5e7eb;
}

/* Mobile nav toggle button */
.nav-toggle {
  display: none;
  background: transparent;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.6);
  padding: 0.25rem 0.55rem;
  margin-left: 0.5rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: #e5e7eb;
  border-radius: 999px;
}
.nav-toggle span + span {
  margin-top: 3px;
}

/* HERO */

.hero {
  padding: 2.5rem 1rem 2.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: center;
}
@media (max-width: 820px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); }
}

.hero-text h1 {
  font-size: clamp(2.0rem, 2.6vw, 2.4rem);
  margin-bottom: 0.75rem;
}

.hero-text p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.25rem;
  color: var(--text-soft);
  font-size: 0.92rem;
}

/* GENERATOR CARD */

.hero-card {
  position: relative;
  background: radial-gradient(circle at top left, rgba(79,70,229,0.4), transparent 55%), #020617;
  border-radius: 20px;
  padding: 1.4rem 1.2rem 1.3rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148,163,184,0.4);
  color: #e5e7eb;
}
.hero-card h2 {
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.form-group { margin-bottom: 0.75rem; }

label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9ca3af;
  margin-bottom: 0.25rem;
}

select,
input[type="text"] {
  width: 100%;
  padding: 0.45rem 0.6rem;
  border-radius: 10px;
  border: 1px solid rgba(148,163,184,0.7);
  background: rgba(15,23,42,0.98);
  color: #f9fafb;
  font-size: 0.9rem;
}

small { color: #9ca3af; font-size: 0.78rem; }

.btn-primary {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.55rem 0.7rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font-weight: 600;
  font-size: 0.94rem;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(79,70,229,0.7);
}
.btn-primary:hover { filter: brightness(1.07); }

.output-wrapper { margin-top: 0.85rem; }

.output-row {
  display: flex;
  align-items: stretch;
  gap: 0.4rem;
}

.output-box {
  flex: 1;
  padding: 0.42rem 0.6rem;
  border-radius: 10px;
  background: rgba(15,23,42,0.9);
  border: 1px solid rgba(148,163,184,0.7);
  font-family: ui-monospace, Menlo, Monaco, "SF Mono", monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

.btn-ghost {
  border-radius: 10px;
  border: 1px solid rgba(148,163,184,0.7);
  background: rgba(15,23,42,0.9);
  color: #e5e7eb;
  cursor: pointer;
  padding: 0 0.55rem;
}
.btn-ghost:hover { background: rgba(30,64,175,0.8); }

.copy-status {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-top: 0.3rem;
}

.disclaimer {
  font-size: 0.78rem;
  color: #9ca3af;
  margin-top: 0.7rem;
}

/* CONTENT SECTIONS */

.section {
  padding: 2.25rem 1rem 2.25rem;
}

.section-light {
  background: #ffffff;
}

.section h2 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.section p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.section ul {
  color: var(--text-muted);
  font-size: 0.95rem;
  padding-left: 1.1rem;
}

.small { max-width: 640px; margin: 0 auto; }

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.faq-item {
  border-radius: 14px;
  padding: 0.9rem 0.9rem;
  background: #f9fafb;
  border: 1px solid var(--border-subtle);
}

.faq-item h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.faq-item p {
  font-size: 0.9rem;
}

/* BLOG (other pages) */

.blog-list {
  list-style: none;
  padding: 0;
}
.blog-list li {
  margin-bottom: 0.4rem;
}

.blog-post-full {
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  padding: 1.4rem 1.3rem;
  box-shadow: 0 18px 40px rgba(15,23,42,0.08);
}

.blog-post-full h1 {
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
}

.blog-post-full .meta {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-bottom: 0.9rem;
}

.blog-post-full h3 {
  font-size: 1.1rem;
  margin-top: 1.1rem;
  margin-bottom: 0.4rem;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid rgba(148,163,184,0.3);
  background: var(--bg-footer);
  color: #9ca3af;
  padding: 1rem 1rem 1.2rem;
  margin-top: 1rem;
}

.footer-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.footer-links a {
  color: #9ca3af;
}
.footer-links a:hover {
  color: #e5e7eb;
}

/* ===========================
   RESPONSIVE ENHANCEMENTS
   =========================== */

/* Tablet & down: slightly tighter header/hero spacing */
@media (max-width: 900px) {
  .hero {
    padding: 2.1rem 1rem 2rem;
  }
}

/* Mobile nav + layout tweaks */
@media (max-width: 720px) {
  .header-inner {
    padding: 0.6rem 0.3rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    right: 0.75rem;
    left: 0.75rem;
    margin-top: 0.4rem;
    background: #020617;
    border-radius: 999px;
    padding: 0.45rem 0.6rem;
    display: none;
    flex-wrap: wrap;
    justify-content: center;
    box-shadow: 0 12px 35px rgba(15,23,42,0.8);
  }

  .nav-links.nav-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.2rem 0.75rem;
  }

  .hero {
    padding: 2rem 0.9rem 2rem;
  }

  .section {
    padding: 2rem 0.9rem 2rem;
  }
}

/* Small phones */
@media (max-width: 480px) {
  body {
    font-size: 0.95rem;
  }

  .hero {
    padding: 1.75rem 0.75rem 1.9rem;
  }

  .section {
    padding: 1.75rem 0.75rem 2rem;
  }

  .hero-text p,
  .section p {
    font-size: 0.93rem;
  }

  .output-row {
    flex-direction: column;
  }

  .btn-ghost {
    width: 100%;
    display: inline-flex;
    justify-content: center;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}