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

/* ── Color Themes ── */
:root,
[data-theme="ocean"] {
  --bg:        #0f1923;
  --bg-card:   #162230;
  --text:      #d8dee9;
  --text-dim:  #7b8da0;
  --accent:    #5e9ed6;
  --accent-hover: #7bb4e3;
  --border:    #253545;
  --input-bg:  #1a2d3d;
}

[data-theme="sunset"] {
  --bg:        #1c1017;
  --bg-card:   #2a1620;
  --text:      #f0ddd5;
  --text-dim:  #a08070;
  --accent:    #e07840;
  --accent-hover: #f09060;
  --border:    #3d2530;
  --input-bg:  #2e1a25;
}

[data-theme="forest"] {
  --bg:        #0e1a11;
  --bg-card:   #15251a;
  --text:      #d0e0d4;
  --text-dim:  #6e9a78;
  --accent:    #4caf68;
  --accent-hover: #66c480;
  --border:    #1e3526;
  --input-bg:  #172e1d;
}

[data-theme="midnight"] {
  --bg:        #101020;
  --bg-card:   #181830;
  --text:      #d0d0e8;
  --text-dim:  #7070a0;
  --accent:    #7c6ff7;
  --accent-hover: #9a90ff;
  --border:    #282848;
  --input-bg:  #1a1a35;
}

[data-theme="lavender"] {
  --bg:        #1a1320;
  --bg-card:   #251c30;
  --text:      #e0d8ec;
  --text-dim:  #9080a8;
  --accent:    #c084e0;
  --accent-hover: #d4a0f0;
  --border:    #352840;
  --input-bg:  #201828;
}

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

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-hover); }

/* ── Header / Nav ── */
header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}
.nav-links { display: flex; gap: 1.5rem; align-items: center; list-style: none; }
.nav-links a { color: var(--text-dim); font-size: .95rem; }
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dim);
  border-radius: 2px;
  transition: .3s;
}

/* ── Main content ── */
main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* ── Hero (index) ── */
.hero {
  text-align: center;
  padding: 4rem 0 3rem;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: .75rem;
}
.hero h1 .accent { color: var(--accent); }
.hero p {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 2rem;
}
.hero-links { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  transition: background .2s, transform .15s;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent); }

/* Feature cards */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}
.card h3 { margin-bottom: .5rem; font-size: 1.1rem; }
.card p { color: var(--text-dim); font-size: .95rem; }

/* ── Legal pages ── */
.legal h1 {
  font-size: 2rem;
  margin-bottom: .25rem;
}
.legal .last-updated {
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-size: .9rem;
}
.legal h2 {
  font-size: 1.3rem;
  margin-top: 2rem;
  margin-bottom: .75rem;
  color: var(--accent);
}
.legal h3 {
  font-size: 1.05rem;
  margin-top: 1.25rem;
  margin-bottom: .5rem;
}
.legal p,
.legal li {
  color: var(--text-dim);
  margin-bottom: .6rem;
  font-size: .95rem;
}
.legal ul {
  padding-left: 1.5rem;
  margin-bottom: .75rem;
}
.legal .disclaimer {
  margin-top: 2.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .85rem;
  color: var(--text-dim);
  font-style: italic;
}

/* ── Contact form ── */
.contact-page h1 {
  font-size: 2rem;
  margin-bottom: .5rem;
}
.contact-page > p {
  color: var(--text-dim);
  margin-bottom: 2rem;
}
.contact-form {
  max-width: 560px;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  margin-bottom: .35rem;
  font-size: .9rem;
  font-weight: 600;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea {
  resize: vertical;
  min-height: 140px;
}
.form-submit {
  display: inline-block;
  padding: 12px 32px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.form-submit:hover { background: var(--accent-hover); }
.form-submit:active { transform: scale(.97); }
.form-success {
  display: none;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  margin-top: 1rem;
}
.form-success.show { display: block; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: .85rem;
}
footer a { color: var(--text-dim); }
footer a:hover { color: var(--accent); }
.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: .5rem;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0; right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: .75rem;
  }
  .nav-links.open { display: flex; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }
}