/* ═══════════════════════════════════════════════════
   OFFICINA DIGITALE — sos/style.css
   Emergency / Incident Response Theme
   ═══════════════════════════════════════════════════ */

/* ── CSS VARIABLES (Red Override) ── */
:root {
  --accent-primary:  #dc2626;
  --accent-light:    #f87171;
  --accent-dark:     #991b1b;
  --accent-glow:     rgba(220, 38, 38, 0.35);
  --accent-subtle:   rgba(220, 38, 38, 0.08);

  --bg-base:    #050508;
  --bg-surface: #0d0608;
  --bg-card:    #0f0608;
  --bg-card-h:  #1a0808;

  --text-primary:   #fff0f0;
  --text-secondary: #bb9090;
  --text-muted:     #6d4040;

  --border:        rgba(220, 38, 38, 0.15);
  --border-bright: rgba(220, 38, 38, 0.45);

  --font-mono:    'Share Tech Mono', monospace;
  --font-heading: 'Orbitron', monospace;
  --font-body:    'Rajdhani', sans-serif;

  --radius:    4px;
  --radius-lg: 8px;
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 17.5px; }
body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: none;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: var(--accent-primary); color: #fff; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--accent-dark); border-radius: 2px; }

/* ══════════════════════════════════════
   BACKGROUND
══════════════════════════════════════ */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.30;
}

.bg-video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 8, 0.60);
  pointer-events: none;
}

#matrixCanvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.15;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
}

.bg-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, transparent 30%, var(--bg-base) 100%);
}

/* Scan line */
body::after {
  content: '';
  position: fixed;
  top: -2px;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(220,38,38,0.5) 40%, rgba(255,80,80,0.8) 50%, rgba(220,38,38,0.5) 60%, transparent 100%);
  z-index: 992;
  pointer-events: none;
  animation: scan-line 8s linear infinite;
}

@keyframes scan-line {
  0%   { top: -2px; opacity: 0; }
  5%   { opacity: 1; }
  95%  { opacity: 0.6; }
  100% { top: 100vh; opacity: 0; }
}

/* ══════════════════════════════════════
   PAGE FRAME (cornice rossa)
══════════════════════════════════════ */
.page-frame {
  position: fixed;
  inset: 10px;
  z-index: 990;
  pointer-events: none;
  border: 1px solid rgba(220, 38, 38, 0.22);
  border-radius: 2px;
  animation: frame-pulse 3.5s ease-in-out infinite;
}

@keyframes frame-pulse {
  0%, 100% {
    border-color: rgba(220, 38, 38, 0.18);
    box-shadow: none;
  }
  50% {
    border-color: rgba(220, 38, 38, 0.50);
    box-shadow: inset 0 0 50px rgba(220, 38, 38, 0.06), 0 0 50px rgba(220, 38, 38, 0.06);
  }
}

.frame-corner {
  position: absolute;
  width: 18px;
  height: 18px;
}
.frame-corner--tl { top: -1px;    left: -1px;  border-top:    2px solid var(--accent-primary); border-left:   2px solid var(--accent-primary); }
.frame-corner--tr { top: -1px;    right: -1px; border-top:    2px solid var(--accent-primary); border-right:  2px solid var(--accent-primary); }
.frame-corner--bl { bottom: -1px; left: -1px;  border-bottom: 2px solid var(--accent-primary); border-left:   2px solid var(--accent-primary); }
.frame-corner--br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--accent-primary); border-right:  2px solid var(--accent-primary); }

/* ══════════════════════════════════════
   CUSTOM CURSOR
══════════════════════════════════════ */
.cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.05s;
  box-shadow: 0 0 8px var(--accent-primary);
}
.cursor-ring {
  position: fixed;
  width: 32px; height: 32px;
  border: 1.5px solid var(--accent-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.2s, height 0.2s, opacity 0.2s;
  opacity: 0.6;
}
.cursor-ring.hover {
  width: 48px; height: 48px;
  opacity: 1;
  background: var(--accent-subtle);
}

/* ══════════════════════════════════════
   NAV
══════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.4s, backdrop-filter 0.4s;
}
.nav.scrolled {
  background: rgba(5, 5, 8, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 114px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo-img {
  height: 90px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1) sepia(1) saturate(20) hue-rotate(300deg);
  animation: logoGlowRed 4s ease-in-out infinite;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-logo-img:hover {
  transform: scale(1.07);
}

@keyframes logoGlowRed {
  0%, 100% {
    filter: brightness(0) invert(1) sepia(1) saturate(20) hue-rotate(300deg)
            drop-shadow(0 0 4px rgba(220, 38, 38, 0.20));
  }
  50% {
    filter: brightness(0) invert(1) sepia(1) saturate(20) hue-rotate(300deg)
            drop-shadow(3px 2px 6px rgba(220, 38, 38, 0.45))
            drop-shadow(0 0 4px rgba(220, 38, 38, 0.30));
  }
}
.nav-back {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-back:hover { color: var(--accent-light); }

/* ══════════════════════════════════════
   MAIN
══════════════════════════════════════ */
.sos-main {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 130px 2rem 5rem;
}

/* ══════════════════════════════════════
   EMERGENCY HEADER
══════════════════════════════════════ */
.sos-header {
  text-align: center;
  margin-bottom: 4rem;
  animation: fade-up 0.7s ease both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sos-alert-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: rgba(220, 38, 38, 0.09);
  border: 1px solid rgba(220, 38, 38, 0.35);
  padding: 0.45rem 1.1rem;
  border-radius: 2px;
  margin-bottom: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  color: var(--accent-light);
}

.alert-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  flex-shrink: 0;
  animation: alert-blink 1s step-end infinite;
}

@keyframes alert-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.1; }
}

.sos-tag {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--accent-primary);
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}

.sos-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
}

.sos-title-accent {
  display: block;
  color: var(--accent-primary);
  text-shadow: 0 0 30px rgba(220, 38, 38, 0.4);
}

.sos-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 520px;
  margin: 0 auto;
}

/* ══════════════════════════════════════
   ACTION CARDS
══════════════════════════════════════ */
.sos-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 4rem;
  animation: fade-up 0.7s 0.15s ease both;
}

.sos-card {
  background: var(--bg-card);
  padding: 2.5rem 2rem;
  transition: background 0.3s;
}
.sos-card:hover { background: var(--bg-card-h); }

.sos-card-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  height: 100%;
}

.sos-card-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--accent-light);
  background: var(--accent-subtle);
  border: 1px solid var(--border);
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
}

.sos-card-icon {
  width: 60px; height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border: 1px solid var(--border-bright);
  border-radius: 50%;
  color: var(--accent-primary);
  flex-shrink: 0;
}
.sos-card-icon svg { width: 28px; height: 28px; }

.sos-card-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.sos-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

/* ── CTA Buttons ── */
.sos-btn-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  background: var(--accent-primary);
  color: #fff;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  margin-top: auto;
  cursor: pointer;
}
.sos-btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.sos-btn-cta--outline {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-light);
}
.sos-btn-cta--outline:hover {
  background: var(--accent-subtle);
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.15), transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.sos-btn-cta:hover .btn-glow { opacity: 1; }

/* ══════════════════════════════════════
   DIVIDER
══════════════════════════════════════ */
.sos-divider {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}
.sos-divider-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}
.sos-divider-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ══════════════════════════════════════
   FORM SECTION
══════════════════════════════════════ */
.sos-form-section {
  max-width: 720px;
  margin: 0 auto;
  animation: fade-up 0.7s 0.3s ease both;
}

.sos-form-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.form-section-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: 0.6rem;
}

.sos-form-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.sos-form-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── Form Container ── */
.sos-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 0.95rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23dc2626'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  background-size: 20px;
  padding-right: 2.5rem;
}
.form-group select option { background: var(--bg-card); color: var(--text-primary); }

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

/* ── Submit Button ── */
.sos-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  background: var(--accent-primary);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-top: 0.5rem;
}
.sos-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.sos-submit .btn-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.15), transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.sos-submit:hover .btn-glow { opacity: 1; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.sos-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 4rem 2rem 2rem;
  overflow: hidden;
}

.sos-footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  text-align: center;
}

.sos-footer-logo-link { display: inline-block; }

.sos-footer-logo-img {
  display: block;
  height: 160px;
  width: auto;
  margin: 0 auto 2rem;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.3s;
  filter: brightness(0) invert(1) sepia(1) saturate(20) hue-rotate(300deg);
}
.sos-footer-logo-img:hover { opacity: 1; }

.sos-footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.sos-footer-links a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  transition: color 0.2s;
}
.sos-footer-links a:hover { color: var(--accent-light); }

.sos-footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.sos-footer-scan {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  animation: scanFooter 4s linear infinite;
}

@keyframes scanFooter {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── SHAKE (form validation) ── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 768px) {
  .sos-main { padding: 110px 1.25rem 4rem; }
  .sos-actions { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .sos-form { padding: 1.5rem; }
  .nav-inner { height: 90px; padding: 0 1.25rem; }
  .nav-logo-img { height: 60px; }
}

@media (max-width: 480px) {
  .sos-title { font-size: 1.9rem; }
  .page-frame { inset: 6px; }
}

@media (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
  body { cursor: auto; }
  a, button, input, select, textarea { cursor: pointer; }
}