/* Mills Software — Global Stylesheet */

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #1f2b47;
  --bg-card-hover: #263354;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b8;
  --text-heading: #f0f0f5;
  --accent: #7b8cde;
  --accent-hover: #9ba8e8;
  --accent-muted: #5a6aaf;
  --border: #2a3a5c;
  --success: #5cb87a;
  --error: #d9534f;
  --radius: 8px;
  --max-width: 960px;
  --nav-height: 60px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Navigation ---- */

.site-nav {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
}

.site-nav .nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-nav .logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
  text-decoration: none;
}

.site-nav .nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.site-nav .nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a[aria-current="page"] {
  color: var(--accent);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .site-nav .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }

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

/* ---- Layout ---- */

main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  width: 100%;
}

/* ---- Typography ---- */

h1, h2, h3, h4 {
  color: var(--text-heading);
  line-height: 1.3;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ---- Hero ---- */

.hero {
  text-align: center;
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}

.hero .tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ---- App Cards ---- */

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.app-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.app-card:hover {
  background-color: var(--bg-card-hover);
  transform: translateY(-2px);
  color: inherit;
}

.app-card .app-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  margin-bottom: 1rem;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.app-card .app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 18px;
}

.app-card h3 {
  margin-bottom: 0.5rem;
}

.app-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ---- App Detail Page ---- */

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

.app-detail .app-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.app-detail .app-header .app-icon {
  width: 100px;
  height: 100px;
  border-radius: 22px;
  background-color: var(--bg-card);
  flex-shrink: 0;
  overflow: hidden;
}

.app-detail .app-header .app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 22px;
}

.app-detail .app-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.app-detail section {
  margin-top: 2.5rem;
}

/* ---- Buttons ---- */

.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-secondary:hover {
  background-color: var(--accent);
  color: #fff;
}

/* ---- Contact Form ---- */

.contact-form {
  max-width: 480px;
  margin-top: 1.5rem;
}

.contact-form .form-group {
  margin-bottom: 1.25rem;
}

.contact-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .form-status {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: none;
}

.contact-form .form-status.success {
  display: block;
  background-color: rgba(92, 184, 122, 0.15);
  color: var(--success);
}

.contact-form .form-status.error {
  display: block;
  background-color: rgba(217, 83, 79, 0.15);
  color: var(--error);
}

/* ---- FAQ ---- */

.faq-list {
  margin-top: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--text-heading);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin-top: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---- Privacy / Legal ---- */

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

.legal-content h2 {
  margin-top: 2rem;
}

.legal-content ul {
  margin: 0.5rem 0 1rem 1.5rem;
  color: var(--text-secondary);
}

.legal-content li {
  margin-bottom: 0.35rem;
}

/* ---- Footer ---- */

.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  margin-top: auto;
}

.site-footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-footer .footer-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-footer .footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.site-footer .footer-links a:hover {
  color: var(--accent);
}

.site-footer .copyright {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ---- About Page ---- */

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

.about-content p {
  color: var(--text-secondary);
}