/* ─────────────────────────────────────────────
   Animus Protocol — Shared Design System
   ───────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg:        #0a0a0a;
  --surface:   #111111;
  --border:    #1e1e1e;
  --text:      #e8e2d5;
  --muted:     #6b6560;
  --accent:    #8b1a1a;
  --accent-h:  #a32020;
  --accent-bg: rgba(139,26,26,0.12);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

a { color: inherit; }

/* ── Noise overlay ── */
.noise {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Navigation ── */
nav {
  position: fixed; top: 0; width: 100%;
  z-index: 1000;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 3px;
}
.nav-logo img { height: 34px; width: auto; filter: brightness(0) invert(1); opacity: 0.9; }

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: 0.72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 2px;
  transition: color 0.2s; position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ''; position: absolute;
  bottom: -3px; left: 0; width: 100%; height: 1px;
  background: var(--accent);
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2.5px;
  text-decoration: none; border: none; cursor: pointer;
  transition: all 0.2s; border-radius: 2px;
  font-family: 'Space Grotesk', sans-serif;
}
.btn-primary { background: var(--accent); color: var(--text); }
.btn-primary:hover { background: var(--accent-h); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1px solid transparent; padding: 0.75rem 1rem;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border); }
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.65rem; }
.btn-danger { background: #5a0a0a; color: var(--text); }
.btn-danger:hover { background: #7a1010; }

/* ── Forms ── */
.form-group { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

label {
  display: block; margin-bottom: 0.5rem;
  font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--muted);
}
label .req { color: var(--accent); }
label .opt { opacity: 0.5; font-weight: 400; }

input[type="text"],
input[type="email"],
input[type="url"],
input[type="date"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
}
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 0.5; }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath fill='%236b6560' d='M5 6L0 0h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-color: var(--surface);
  padding-right: 2.5rem; cursor: pointer;
}
select option { background: var(--surface); color: var(--text); }

textarea { resize: vertical; min-height: 130px; line-height: 1.65; }

.input-hint { font-size: 0.72rem; color: var(--muted); margin-top: 0.35rem; opacity: 0.7; }
.char-count { font-size: 0.72rem; color: var(--muted); text-align: right; margin-top: 0.3rem; }

.form-section-label {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent);
  padding-bottom: 0.75rem; margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.submit-btn {
  width: 100%; padding: 1rem;
  background: var(--accent); color: var(--text); border: none;
  border-radius: 2px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 3px;
  cursor: pointer; transition: all 0.2s; margin-top: 0.5rem;
}
.submit-btn:hover:not(:disabled) { background: var(--accent-h); transform: translateY(-1px); }
.submit-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* File upload */
.file-input-wrap { position: relative; display: block; }
.file-input-wrap input[type="file"] {
  position: absolute; opacity: 0; inset: 0;
  cursor: pointer; width: 100%; height: 100%;
}
.file-input-label {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.5rem 1rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 2px; cursor: pointer;
  transition: border-color 0.2s; color: var(--muted);
  font-size: 0.85rem;
}
.file-input-label:hover { border-color: var(--accent); color: var(--text); }
.file-input-label svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Form messages */
.form-message {
  padding: 0.875rem 1rem; border-radius: 2px;
  font-size: 0.85rem; margin-top: 1rem; display: none;
}
.form-message.success {
  display: block;
  background: rgba(74,222,128,0.07);
  border: 1px solid rgba(74,222,128,0.2);
  color: #4ade80;
}
.form-message.error {
  display: block;
  background: rgba(139,26,26,0.1);
  border: 1px solid rgba(139,26,26,0.3);
  color: #ff7070;
}

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px; padding: 2rem;
  transition: border-color 0.2s;
}
.card:hover { border-color: rgba(139,26,26,0.4); }

/* ── Section ── */
.section { padding: 6rem 5%; position: relative; }
.section-inner { max-width: 1300px; margin: 0 auto; }

.section-tag {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 1rem; display: block;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--text); margin-bottom: 1rem;
}
.section-sub { color: var(--muted); font-size: 1rem; font-weight: 300; margin-bottom: 3rem; }

/* ── Watermark ── */
.watermark {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.04; pointer-events: none; user-select: none;
  width: 480px; max-width: 70%; z-index: 0;
}
.watermark img { width: 100%; height: auto; filter: brightness(0) invert(1); }

/* ── Stats ── */
.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem; font-weight: 700;
  color: var(--accent); display: block; line-height: 1;
}
.stat-label {
  font-size: 0.65rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 2.5px;
  margin-top: 0.5rem; display: block;
}

/* ── Belt badges ── */
.belt-badge {
  display: inline-block; padding: 0.2rem 0.6rem;
  border-radius: 2px; font-size: 0.65rem;
  font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; border: 1px solid;
}
.belt-white  { background: rgba(220,220,220,0.08); color: #ccc;    border-color: rgba(200,200,200,0.25); }
.belt-blue   { background: rgba(33,118,174,0.12);  color: #5ba8e0; border-color: rgba(33,118,174,0.35); }
.belt-purple { background: rgba(123,59,163,0.12);  color: #b47fd4; border-color: rgba(123,59,163,0.35); }
.belt-brown  { background: rgba(139,94,60,0.18);   color: #c8966c; border-color: rgba(139,94,60,0.35); }
.belt-black  { background: rgba(200,180,0,0.07);   color: #d4af37; border-color: rgba(180,160,0,0.25); }
.belt-coral  { background: rgba(220,20,60,0.1);    color: #ff7090; border-color: rgba(220,20,60,0.35); }
.belt-red    { background: rgba(200,0,0,0.1);      color: #ff6060; border-color: rgba(200,0,0,0.35); }

/* Belt bar (top stripe on cards) */
.belt-bar { height: 3px; width: 100%; }
.belt-bar.white  { background: #d0d0d0; }
.belt-bar.blue   { background: #2176ae; }
.belt-bar.purple { background: #7b3ba3; }
.belt-bar.brown  { background: #8b5e3c; }
.belt-bar.black  { background: #555; }
.belt-bar.coral  { background: var(--accent); }
.belt-bar.red    { background: #cc0000; }

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes symbolPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.85; }
}

.symbol-hero {
  animation: fadeIn 1.5s ease forwards, symbolPulse 4s ease-in-out 1.5s infinite;
}

.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Scroll indicator ── */
.scroll-indicator {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 0.6rem;
  color: var(--muted); font-size: 0.6rem;
  text-transform: uppercase; letter-spacing: 2.5px;
  animation: si 2.5s ease infinite;
}
.scroll-indicator::after {
  content: ''; width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
@keyframes si {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ── Footer ── */
footer {
  padding: 3rem 5%;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1.5rem;
  max-width: 1300px; margin: 0 auto;
}
.footer-logo img {
  height: 28px; width: auto;
  filter: brightness(0) invert(1); opacity: 0.4;
}
.footer-links { display: flex; gap: 2rem; list-style: none; }
.footer-links a {
  color: var(--muted); text-decoration: none;
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 1.5px; transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--muted); font-size: 0.68rem; opacity: 0.5; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: 0.65rem; letter-spacing: 1.5px; }
  .section { padding: 4rem 5%; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}
@media (max-width: 480px) {
  .nav-links { display: none; }
}