/* ── Variables ── */
:root {
  --bg:         #11100d;
  --bg-warm:    #171510;
  --bg-card:    #1c1914;
  --paper:      #f6f0e7;
  --ink:        #f2ece1;
  --ink-strong: #fbf7f1;
  --ink-dim:    #c5bcae;
  --ink-faint:  #928779;
  --accent:     #d6a655;
  --accent-deep:#b78c41;
  --rule:       #2e2820;
  --rule-soft:  rgba(214,166,85,0.16);
  --shadow:     0 24px 60px rgba(0,0,0,0.24);
}

/* ── Light theme ── */
[data-theme="light"] {
  --bg:         #f6f0e7;
  --bg-warm:    #ede6d9;
  --bg-card:    #e8dfce;
  --ink:        #1c1410;
  --ink-strong: #0d0b08;
  --ink-dim:    #4a3c2c;
  --ink-faint:  #6f5d49;
  --accent:     #785c25;
  --accent-deep:#5f4a1e;
  --rule:       rgba(28,20,16,0.15);
  --rule-soft:  rgba(183,140,65,0.2);
  --shadow:     0 24px 60px rgba(0,0,0,0.07);
}

[data-theme="light"] body {
  background:
    radial-gradient(ellipse 80% 50% at 70% 0%, rgba(183,140,65,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 100%, rgba(140,100,40,0.04) 0%, transparent 55%),
    #f6f0e7;
}

[data-theme="light"] nav {
  background: rgba(246,240,231,0.96);
}

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

/* ── Base ── */
body {
  background:
    radial-gradient(ellipse 80% 50% at 70% 0%, rgba(214,166,85,0.055) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 100%, rgba(180,130,60,0.03) 0%, transparent 55%),
    #0e0d0b;
  color: var(--ink);
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s, color 0.3s;
}

/* ── Typography atoms ── */
.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-dim);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navigation ── */
nav {
  position: sticky; top: 0; z-index: 50;
  padding: 1.15rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(17,16,13,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
  transition: background 0.3s, border-color 0.3s;
}
.logo {
  font-family: 'Bodoni Moda', serif; font-size: 1.05rem;
  letter-spacing: 0.22em; color: var(--ink-strong); text-decoration: none;
}
.nav-back {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim); text-decoration: none; transition: color 0.3s;
}
.nav-back:hover { color: var(--accent); text-decoration: none; }

/* ── Theme toggle ── */
.theme-toggle {
  background: none;
  border: 1px solid var(--rule-soft);
  color: var(--ink-faint);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  line-height: 1;
  transition: color 0.3s, border-color 0.3s;
  white-space: nowrap;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ── Contact form (mailto) ── */
.contact-form {
  margin-top: 2rem;
  display: grid;
  gap: 1.1rem;
}
.contact-form .form-required-note {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint);
}
.form-field { display: flex; flex-direction: column; gap: 0.45rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-field label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-dim);
}
.form-field label .req { color: var(--accent); margin-left: 0.2em; }
.form-field input,
.form-field textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.8rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: 'Fraunces', Georgia, serif;
  font-size: 0.97rem;
  line-height: 1.5;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--ink-faint); opacity: 0.8; }
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.form-field.is-error input,
.form-field.is-error textarea { border-color: #c8553d; }
.form-error {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: #d97a63; display: none;
}
.form-field.is-error .form-error { display: block; }
.form-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 0.3rem; }
.form-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem;
  min-height: 50px; padding: 0.9rem 1.6rem;
  background: transparent; border: 1px solid var(--accent);
  color: var(--accent); cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.form-submit:hover {
  background: var(--accent); color: var(--bg);
  box-shadow: 0 16px 35px rgba(214,166,85,0.14);
}
.form-whatsapp {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: none; border: none; cursor: pointer; padding: 0.4rem 0;
  color: #25d366;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase;
  border-bottom: 1px solid rgba(37,211,102,0.35);
  transition: border-color 0.3s, color 0.3s;
}
.form-whatsapp:hover { border-color: #25d366; }
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .form-submit { width: 100%; }
}

/* ── Footer ── */
footer {
  padding: 2rem 3rem; border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; gap: 1.5rem;
  color: var(--ink-faint); font-size: 0.82rem;
}
footer a { color: var(--ink-faint); }
footer a:hover { color: var(--accent); text-decoration: none; }
footer .mono[aria-current="page"] { color: var(--accent); }