/* ═══════════════════════════════════════════════════════════
   Celinda's Earth — Global Stylesheet
   Brand: Espiral Telúrica · Vau, Óbidos · 2026
═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=IM+Fell+English:ital@0;1&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,600&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --earth:     #1a1208;
  --dark:      #2c1f0e;
  --soil:      #3d2b12;
  --humus:     #5c3d1a;
  --amber:     #c47d1e;
  --gold:      #e8a832;
  --mycel:     #8fba6a;
  --moss:      #4a7c3f;
  --forest:    #1f4a2a;
  --cream:     #f5ede0;
  --parchment: #ede0c8;
  --ash:       #b8a898;
  --char:      #6b5c4a;

  --ff-display: 'IM Fell English', Georgia, serif;
  --ff-body:    'Cormorant Garamond', 'Times New Roman', serif;
  --ff-mono:    'Space Mono', 'Courier New', monospace;

  --nav-h: 60px;
  --page-max: 1140px;
  --gap: 3px;
}

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
img  { max-width:100%; display:block; }
a    { color:inherit; text-decoration:none; }

/* ── BASE ───────────────────────────────────────────────── */
body {
  background: var(--earth);
  color: var(--cream);
  font-family: var(--ff-body);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Grain overlay */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9000;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.055'/%3E%3C/svg%3E");
  opacity: .32;
}

/* ── NAVIGATION ─────────────────────────────────────────── */
.nav {
  position: fixed; top:0; left:0; right:0; z-index: 500;
  height: var(--nav-h);
  background: rgba(26,18,8,.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(196,125,30,.14);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
}
.nav-brand {
  font-family: var(--ff-display);
  font-size: 17px; color: var(--cream);
  display: flex; align-items: center; gap: 12px;
}
.nav-brand em { color: var(--gold); font-style: italic; }
.nav-brand svg { width:28px; height:28px; }
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-links a {
  font-family: var(--ff-mono);
  font-size: 9px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ash); transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--amber); }
.nav-cta {
  background: rgba(196,125,30,.18);
  border: 1px solid rgba(196,125,30,.4);
  color: var(--amber) !important;
  padding: 7px 16px; border-radius: 2px;
  transition: background .2s !important;
}
.nav-cta:hover { background: rgba(196,125,30,.32) !important; }
.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}
.nav-burger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--amber); transition: transform .3s, opacity .3s;
}

/* ── HERO SHARED ────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; padding: var(--nav-h) 48px 0;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 60% 55% at 50% 45%,
    rgba(196,125,30,.07) 0%, transparent 68%);
}
.hero-inner { position: relative; z-index: 1; }

/* ── SECTIONS ───────────────────────────────────────────── */
.section {
  padding: 96px 48px;
  max-width: var(--page-max);
  margin: 0 auto;
}
.section-full {
  padding: 96px 48px;
}
.section-full > * {
  max-width: var(--page-max);
  margin-left: auto; margin-right: auto;
}

.slabel {
  font-family: var(--ff-mono);
  font-size: 9px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 8px;
}
.rule {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, rgba(196,125,30,.5), transparent);
  margin-bottom: 48px;
}
.rule-center {
  background: linear-gradient(90deg, transparent, rgba(196,125,30,.5), transparent);
}

h1 { font-family: var(--ff-display); font-weight: 400; line-height: 1.05; color: var(--cream); }
h2 { font-family: var(--ff-display); font-size: clamp(28px,4vw,42px); font-weight: 400; color: var(--cream); line-height: 1.1; margin-bottom: 6px; }
h3 { font-family: var(--ff-display); font-size: 22px; font-weight: 400; color: var(--gold); margin-bottom: 10px; }
h4 { font-family: var(--ff-mono); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--amber); margin-bottom: 8px; }

.lead { font-size: clamp(16px,2vw,20px); color: var(--ash); font-style: italic; margin-bottom: 40px; line-height: 1.6; }

p { font-size: 15px; color: var(--ash); line-height: 1.72; margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }
strong { color: var(--cream); font-weight: 600; }

/* ── GRID UTILITIES ─────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--gap); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--gap); }

/* ── CARDS ──────────────────────────────────────────────── */
.card {
  background: var(--dark); padding: 32px;
  border-top: 3px solid var(--amber);
  transition: transform .3s, border-color .3s;
}
.card:hover { transform: translateY(-4px); border-color: var(--gold); }
.card-soil { background: var(--soil); }
.card-forest { background: var(--forest); }

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-mono); font-size: 9px;
  letter-spacing: .2em; text-transform: uppercase;
  padding: 14px 28px; border: none; cursor: pointer;
  transition: all .2s; text-decoration: none;
}
.btn-primary {
  background: var(--amber); color: var(--earth);
}
.btn-primary:hover { background: var(--gold); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(196,125,30,.5);
  color: var(--amber);
}
.btn-outline:hover {
  background: rgba(196,125,30,.15);
  border-color: var(--amber);
}
.btn-ghost {
  background: transparent; color: var(--ash); border: 1px solid rgba(184,168,152,.2);
}
.btn-ghost:hover { color: var(--cream); border-color: var(--ash); }

/* ── FORMS ──────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-family: var(--ff-mono); font-size: 8px;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 8px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--dark); border: 1px solid rgba(196,125,30,.25);
  color: var(--cream); padding: 12px 16px;
  font-family: var(--ff-body); font-size: 15px;
  outline: none; transition: border-color .2s;
  border-radius: 0;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--amber);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--char); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: none; cursor: pointer; }

/* ── DIVIDER ────────────────────────────────────────────── */
.divider {
  height: 1px; margin: 0 48px;
  background: linear-gradient(90deg, transparent, rgba(196,125,30,.25), transparent);
}

/* ── TAGS ───────────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: var(--ff-mono); font-size: 8px;
  letter-spacing: .15em; text-transform: uppercase;
  padding: 4px 10px;
  background: rgba(196,125,30,.12);
  border: 1px solid rgba(196,125,30,.25);
  color: var(--amber); margin: 3px 3px 3px 0;
}
.tag-mycel {
  background: rgba(143,186,106,.1);
  border-color: rgba(143,186,106,.25);
  color: var(--mycel);
}

/* ── ACCENT BARS ────────────────────────────────────────── */
.accent-left { border-left: 3px solid var(--amber); padding-left: 20px; }
.accent-left-mycel { border-left: 3px solid var(--mycel); padding-left: 20px; }

/* ── TABLE ──────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--soil);
  font-family: var(--ff-mono); font-size: 8px;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--amber); padding: 10px 14px; text-align: left;
}
td { padding: 10px 14px; font-size: 13px; color: var(--ash); border-bottom: 1px solid rgba(196,125,30,.08); }
tr:nth-child(even) td { background: rgba(44,31,14,.4); }
td:first-child { color: var(--cream); }

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(196,125,30,.15);
  padding: 64px 48px 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; max-width: var(--page-max); margin: 0 auto;
}
.footer-brand-name {
  font-family: var(--ff-display); font-size: 22px; color: var(--cream);
  margin-bottom: 4px;
}
.footer-brand-name em { color: var(--gold); }
.footer-tagline { font-size: 13px; font-style: italic; color: var(--ash); margin-bottom: 20px; }
.footer-col-title {
  font-family: var(--ff-mono); font-size: 8px;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 16px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: var(--ash); transition: color .2s; }
.footer-links a:hover { color: var(--amber); }
.footer-bottom {
  max-width: var(--page-max); margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(196,125,30,.1);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy {
  font-family: var(--ff-mono); font-size: 8px;
  letter-spacing: .12em; color: var(--char);
}

/* ── SCROLL ANIMATIONS ──────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── MOBILE NAV ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav { padding: 0 24px; }
  .nav-burger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-h); left:0; right:0;
    background: rgba(26,18,8,.97);
    padding: 32px 24px; gap: 24px;
    border-bottom: 1px solid rgba(196,125,30,.2);
  }
  .nav-links.open a { font-size: 14px; }
  .section, .section-full { padding: 64px 24px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero { padding: var(--nav-h) 24px 0; }
  .divider { margin: 0 24px; }
}

/* ── SPIRAL SVG UTIL ────────────────────────────────────── */
.spiral-sm  { width: 40px;  height: 40px; }
.spiral-md  { width: 80px;  height: 80px; }
.spiral-lg  { width: 160px; height: 160px; }
.spiral-xl  { width: 280px; height: 280px; }