/* ═══════════════════════════════════════════════
   SIGNAL — Shared Stylesheet
   All common styles across the site
   ═══════════════════════════════════════════════ */

/* RESET */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; cursor: pointer; background: none; }
ul, ol { list-style: none; }

/* TOKENS */
:root {
  --c-bg: #111015;
  --c-surface: #18171f;
  --c-glass: rgba(255,255,255,0.045);
  --c-glass-hover: rgba(255,255,255,0.08);
  --c-text: #f0ede6;
  --c-text-muted: #8a8680;
  --c-text-dim: #4a4843;
  --c-accent: #e8583e;
  --c-accent-light: #f4a261;
  --c-border: rgba(240,237,230,0.07);
  --c-border-hover: rgba(240,237,230,0.14);
  --c-border-accent: rgba(232,88,62,0.35);
  --c-green: #34d399;

  --f-display: 'Instrument Serif', Georgia, serif;
  --f-sans: 'Inter', -apple-system, sans-serif;
  --f-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --fs-hero: clamp(2.875rem, 6.2vw, 5.75rem);
  --fs-h2: clamp(2.2rem, 4.5vw, 3.5rem);
  --fs-h3: clamp(1.1rem, 1.6vw, 1.4rem);
  --fs-metric: clamp(2.5rem, 5vw, 4.5rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.875rem;
  --fs-caption: 0.75rem;
  --fs-overline: 0.6875rem;
  --fs-micro: 0.625rem;

  --lh-tight: 0.92;
  --lh-body: 1.65;
  --ls-tight: -0.03em;
  --ls-wide: 0.15em;

  --container: 1600px;
  --px: clamp(1.25rem, 4vw, 4rem);
  --section-py: clamp(5rem, 10vw, 9rem);
  --gap: clamp(0.75rem, 1.5vw, 1.25rem);

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-full: 9999px;

  --blur: blur(20px);
  --transition: 280ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* BASE */
body {
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-text);
  background: var(--c-bg);
}
body::before {
  content: '';
  position: fixed; inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  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)'/%3E%3C/svg%3E");
  background-size: 200px;
}
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--px); }

/* UTILITIES */
.gradient-text {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-light));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.overline {
  font-family: var(--f-mono); font-size: var(--fs-overline);
  font-weight: 500; letter-spacing: var(--ls-wide);
  text-transform: uppercase; color: var(--c-text-muted);
}
.section-label {
  font-family: var(--f-mono); font-size: var(--fs-small);
  font-weight: 500; letter-spacing: var(--ls-wide);
  text-transform: uppercase; color: var(--c-text-dim);
  margin-bottom: 1.5rem;
}
.section-title {
  font-family: var(--f-display); font-size: var(--fs-h2); font-weight: 400;
  line-height: var(--lh-tight); letter-spacing: var(--ls-tight); margin-bottom: 1.5rem;
}
.section-subtitle {
  font-size: clamp(0.9375rem,1.3vw,1.0625rem); color: var(--c-text-muted);
  max-width: 600px; line-height: 1.65; margin-bottom: 3rem;
}
.section-divider { width:100%; height:1px; background:var(--c-border); margin: var(--section-py) 0; }

/* ANIMATIONS */
@keyframes fadeInUp { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes scrollLine {
  0% { transform:scaleY(0); transform-origin:top; }
  50% { transform:scaleY(1); transform-origin:top; }
  50.01% { transform-origin:bottom; }
  100% { transform:scaleY(0); transform-origin:bottom; }
}
@keyframes pulseDot { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.4; transform:scale(2); } }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-8px); } }
@keyframes barGrow { from { transform:scaleY(0); } to { transform:scaleY(1); } }
@keyframes nodeAppear { from { r:0; opacity:0; } to { opacity:1; } }
@keyframes pathDraw { from { stroke-dashoffset:100; } to { stroke-dashoffset:0; } }
@keyframes orbit { from { transform:rotate(0deg); } to { transform:rotate(360deg); } }

.stagger-1 { --delay:0s; } .stagger-2 { --delay:0.08s; } .stagger-3 { --delay:0.16s; }
.stagger-4 { --delay:0.24s; } .stagger-5 { --delay:0.32s; } .stagger-6 { --delay:0.4s; }

.reveal {
  opacity:0; transform:translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  transition-delay: var(--delay, 0s);
}
.reveal.is-visible { opacity:1; transform:translateY(0); }

/* COMPONENTS */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--f-sans); font-size: var(--fs-small);
  font-weight: 600; letter-spacing: 0.01em;
  padding: 0.875rem 2rem; border-radius: var(--r-full);
  transition: all var(--transition);
}
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover {
  background: #d44e36;
  box-shadow: 0 0 30px rgba(232,88,62,0.25), 0 0 60px rgba(232,88,62,0.1);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost { color: var(--c-text-muted); padding: 0.875rem 0; transition: color var(--transition); }
.btn-ghost:hover { color: var(--c-text); }
.btn-ghost .arrow { transition: transform var(--transition); }
.btn-ghost:hover .arrow { transform: translateX(4px); }
.btn-outline {
  color: var(--c-text-muted); border: 1px solid var(--c-border-hover);
  padding: 0.75rem 1.75rem; border-radius: var(--r-full);
  transition: all var(--transition);
}
.btn-outline:hover { color: var(--c-text); border-color: var(--c-text-muted); }

/* Cursor */
@media (pointer:fine) { *, *::before, *::after { cursor: none !important; } }
.cursor-dot {
  position: fixed; top:0; left:0; width:14px; height:14px;
  background: var(--c-accent); border-radius:50%;
  pointer-events:none; z-index:10000; opacity:0;
  transition: opacity 0.3s, width 0.25s, height 0.25s, background 0.25s;
  transform: translate(-50%,-50%); mix-blend-mode: screen;
  box-shadow: 0 0 12px rgba(232,88,62,0.4), 0 0 24px rgba(232,88,62,0.15);
}
.cursor-dot.active { opacity:0.8; }
.cursor-dot.hovering { width:40px; height:40px; background:rgba(232,88,62,0.08); border:1px solid rgba(232,88,62,0.3); box-shadow: 0 0 20px rgba(232,88,62,0.2); }
.cursor-trail {
  position: fixed; top:0; left:0; width:6px; height:6px;
  background: var(--c-accent); border-radius:50%;
  pointer-events:none; z-index:9999; opacity:0;
  transform: translate(-50%,-50%); mix-blend-mode: screen;
}

/* Glass card */
.glass-card {
  padding: clamp(1.5rem,3vw,2.25rem); border-radius: var(--r-lg);
  background: var(--c-glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--c-border); position: relative; overflow: hidden;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.glass-card:hover { border-color: var(--c-border-hover); background: var(--c-glass-hover); transform: translateY(-2px); }

/* HEADER */
.header {
  position: fixed; top:0; left:0; right:0; z-index:100;
  transition: background var(--transition), backdrop-filter var(--transition);
}
.header.scrolled {
  background: rgba(17,16,21,0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.header__inner { display:flex; justify-content:space-between; align-items:center; padding:1.25rem 0; }
.header__logo { font-family:var(--f-sans); font-weight:700; font-size:0.9375rem; letter-spacing:0.2em; text-transform:uppercase; }
.nav { display:flex; align-items:center; gap:2.5rem; }
.nav__link {
  font-size:var(--fs-small); font-weight:500; color:var(--c-text-muted);
  transition:color var(--transition); position:relative;
}
.nav__link::after {
  content:''; position:absolute; bottom:-4px; left:0;
  width:0; height:1px; background:var(--c-accent); transition:width var(--transition);
}
.nav__link:hover { color:var(--c-text); }
.nav__link:hover::after { width:100%; }
.nav__link--active { color:var(--c-text); }
.nav__link--active::after { width:100%; }
.nav__cta {
  font-size:var(--fs-small); font-weight:600; color:var(--c-bg);
  background:var(--c-text); padding:0.5rem 1.25rem; border-radius:var(--r-full);
  transition:all var(--transition);
}
.nav__cta:hover { background:var(--c-accent); color:#fff; }

/* Phone in header */
.header__phone {
  font-family: var(--f-mono); font-size: var(--fs-small); font-weight: 500;
  color: var(--c-text-muted); letter-spacing: 0.02em;
  transition: color var(--transition);
}
.header__phone:hover { color: var(--c-text); }

/* Dropdown */
.nav__item { position: relative; }
.nav__item--has-dropdown { display: flex; align-items: center; position: relative; }
.nav-dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 200px; padding-top: 0.75rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition);
}
.nav-dropdown__inner {
  padding: 0.75rem 0;
  background: rgba(24,23,31,0.95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--c-border-hover); border-radius: var(--r-md);
  transform: translateY(4px);
  transition: transform var(--transition);
}
.nav__item--has-dropdown:hover .nav-dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
}
.nav__item--has-dropdown:hover .nav-dropdown__inner {
  transform: translateY(0);
}
.nav-dropdown__link {
  display: block; padding: 0.5rem 1.25rem;
  font-size: var(--fs-small); color: var(--c-text-muted);
  transition: color var(--transition), background var(--transition);
}
.nav-dropdown__link:hover { color: var(--c-text); background: rgba(255,255,255,0.04); }

.nav-toggle { display:none; flex-direction:column; gap:5px; width:24px; z-index:101; }
.nav-toggle span { display:block; height:1.5px; background:var(--c-text); border-radius:1px; transition:all var(--transition); }
.nav-toggle.active span:nth-child(1) { transform:rotate(45deg) translateY(6.5px); }
.nav-toggle.active span:nth-child(2) { opacity:0; }
.nav-toggle.active span:nth-child(3) { transform:rotate(-45deg) translateY(-6.5px); }

/* FOOTER */
.footer { padding: 3rem 0 2rem; border-top: 1px solid var(--c-border); }
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem;
  margin-bottom: 2.5rem;
}
.footer__brand-desc {
  font-size: var(--fs-small); color: var(--c-text-dim); line-height: 1.6; margin-top: 0.75rem;
  max-width: 280px;
}
.footer__col-title {
  font-family: var(--f-mono); font-size: var(--fs-caption);
  font-weight: 600; letter-spacing: var(--ls-wide); text-transform: uppercase;
  color: var(--c-text-muted); margin-bottom: 1rem;
}
.footer__col a {
  display: block; font-size: var(--fs-small); color: var(--c-text-dim);
  padding: 0.25rem 0; transition: color var(--transition);
}
.footer__col a:hover { color: var(--c-text); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.5rem; border-top: 1px solid var(--c-border);
}
.footer__copy { font-family: var(--f-mono); font-size: var(--fs-caption); letter-spacing: 0.05em; color: var(--c-text-dim); }
.footer__legal { font-size: var(--fs-caption); color: var(--c-text-dim); }

/* CTA SECTION (shared, used on home + subpages) */
.cta-section { padding:var(--section-py) 0; padding-bottom:4rem; position:relative; overflow:hidden; }
.cta-section__glow {
  position:absolute; top:-30%; left:-15%; width:55%; height:80%;
  background:radial-gradient(ellipse at center, rgba(232,88,62,0.05) 0%, transparent 70%);
  pointer-events:none; filter:blur(50px);
}
.cta-section__content { position:relative; z-index:1; text-align:center; max-width:640px; margin:0 auto; }
.cta-section__title {
  font-family:var(--f-display); font-size:var(--fs-h2); font-weight:400;
  line-height:var(--lh-tight); letter-spacing:var(--ls-tight); margin-bottom:1.25rem;
}
.cta-section__subtitle { font-size:clamp(0.9375rem,1.3vw,1.0625rem); color:var(--c-text-muted); margin-bottom:2.5rem; line-height:1.65; }
.cta-section__actions { display:flex; justify-content:center; align-items:center; gap:2rem; }

/* FAQ (shared component) */
.faq__list { max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-item__question {
  width: 100%; padding: 1.25rem 0; text-align: left;
  font-size: var(--fs-body); font-weight: 500; color: var(--c-text);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  transition: color var(--transition); cursor: pointer;
}
.faq-item__question:hover { color: var(--c-accent); }
.faq-item__icon {
  flex-shrink: 0; width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition);
}
.faq-item__icon svg { width: 12px; height: 12px; }
.faq-item.open .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height 0.4s cubic-bezier(0.16,1,0.3,1), opacity 0.3s ease;
}
.faq-item.open .faq-item__answer { max-height: 300px; opacity: 1; }
.faq-item__answer-inner {
  padding-bottom: 1.25rem;
  font-size: var(--fs-small); color: var(--c-text-muted); line-height: 1.7; max-width: 640px;
}

/* PRICING (shared component) */
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.pricing-card {
  padding: clamp(1.75rem,3vw,2.5rem); border-radius: var(--r-lg);
  background: var(--c-glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--c-border); display: flex; flex-direction: column;
  transition: all var(--transition); position: relative;
}
.pricing-card:hover { border-color: var(--c-border-hover); transform: translateY(-4px); }
.pricing-card--featured { border-color: var(--c-border-accent); background: rgba(232,88,62,0.03); }
.pricing-card--featured::before {
  content: attr(data-badge); position: absolute; top: -1px; right: 1.5rem;
  font-family: var(--f-mono); font-size: 9px; letter-spacing: var(--ls-wide);
  text-transform: uppercase; color: var(--c-bg);
  background: var(--c-accent); padding: 4px 10px; border-radius: 0 0 var(--r-sm) var(--r-sm);
}
.pricing-card__name {
  font-family: var(--f-mono); font-size: var(--fs-caption);
  letter-spacing: var(--ls-wide); text-transform: uppercase;
  color: var(--c-text-dim); margin-bottom: 0.5rem;
}
.pricing-card__title { font-size: var(--fs-h3); font-weight: 600; margin-bottom: 0.75rem; }
.pricing-card__price {
  font-family: var(--f-mono); font-size: clamp(1.5rem,3vw,2rem); font-weight: 700;
  color: var(--c-accent); margin-bottom: 0.25rem;
}
.pricing-card__period { font-size: var(--fs-caption); color: var(--c-text-dim); margin-bottom: 1.5rem; }
.pricing-card__features {
  flex: 1; margin-bottom: 1.5rem;
  border-top: 1px solid var(--c-border); padding-top: 1.25rem;
}
.pricing-card__features li {
  font-size: var(--fs-small); color: var(--c-text-muted); line-height: 1.6;
  padding: 0.3rem 0; padding-left: 1.25rem; position: relative;
}
.pricing-card__features li::before {
  content: ''; position: absolute; left: 0; top: 0.6rem;
  width: 6px; height: 6px; border-radius: 50%; border: 1.5px solid var(--c-accent); opacity: 0.5;
}
.pricing-card__btn { width: 100%; text-align: center; justify-content: center; }

/* PAGE HERO (shared for subpages) */
.page-hero {
  padding-top: calc(5rem + var(--section-py));
  padding-bottom: clamp(2rem, 4vw, 3rem);
  position: relative;
}
.page-hero__glow {
  position:absolute; top:0; right:-10%; width:50%; height:60%;
  background:radial-gradient(ellipse at center, rgba(232,88,62,0.04) 0%, transparent 70%);
  pointer-events:none; filter:blur(40px);
}
.page-hero h1 {
  font-family:var(--f-display); font-size:var(--fs-h2); font-weight:400;
  line-height:var(--lh-tight); letter-spacing:var(--ls-tight); margin-bottom:1rem;
}
.page-hero p {
  font-size:clamp(0.9375rem,1.3vw,1.0625rem); color:var(--c-text-muted); max-width:600px; line-height:1.65;
}

/* BREADCRUMBS */
.breadcrumbs {
  font-family: var(--f-mono); font-size: var(--fs-caption);
  color: var(--c-text-dim); margin-bottom: 2rem;
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
}
.breadcrumbs a { color: var(--c-text-dim); transition: color var(--transition); }
.breadcrumbs a:hover { color: var(--c-text-muted); }
.breadcrumbs__sep { opacity: 0.4; }
.breadcrumbs__current { color: var(--c-text-muted); }

/* CARD GRID (shared for listings) */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: var(--gap); }
.card-grid--full-width { grid-template-columns: 1fr; }
.listing-card {
  padding: clamp(1.5rem,3vw,2rem); border-radius: var(--r-lg);
  background: var(--c-glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--c-border); display: flex; flex-direction: column;
  transition: all var(--transition);
}
.listing-card:hover { border-color: var(--c-border-accent); transform: translateY(-4px); }
.listing-card__overline {
  font-family: var(--f-mono); font-size: var(--fs-caption);
  color: var(--c-text-dim); letter-spacing: var(--ls-wide); text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.listing-card__title { font-size: var(--fs-h3); font-weight: 600; margin-bottom: 0.5rem; }
.listing-card__desc { font-size: var(--fs-small); color: var(--c-text-muted); line-height: 1.6; flex: 1; }
.listing-card__meta {
  margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--c-border);
  display: flex; justify-content: space-between; align-items: center;
}
.listing-card__tag {
  font-family: var(--f-mono); font-size: var(--fs-micro);
  color: var(--c-accent); letter-spacing: var(--ls-wide); text-transform: uppercase;
}
.listing-card__arrow { color: var(--c-text-dim); font-size: var(--fs-small); transition: transform var(--transition); }
.listing-card:hover .listing-card__arrow { transform: translateX(4px); color: var(--c-accent); }

/* RESPONSIVE */
@media (max-width:1024px) {
  .pricing__grid { grid-template-columns:repeat(2,1fr); }
  .pricing-card:last-child { grid-column: span 2; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width:768px) {
  .nav { display:none; }
  .nav.open {
    display:flex; flex-direction:column; position:fixed; inset:0;
    background:var(--c-bg); justify-content:center; align-items:center;
    gap:2rem; z-index:99;
  }
  .nav.open .nav__link { font-size:1.25rem; }
  .nav.open .nav__cta { font-size:1rem; padding:0.75rem 2rem; }
  .nav.open .header__phone { font-size:1rem; }
  .nav.open .nav-dropdown {
    position:static; transform:none; opacity:1; visibility:visible; pointer-events:auto;
    min-width:auto; padding:0.25rem 0 0;
  }
  .nav.open .nav-dropdown__inner {
    transform:none; background:none; border:none; backdrop-filter:none; padding:0;
  }
  .nav.open .nav-dropdown__link { text-align:center; font-size:1rem; color:var(--c-text-dim); }
  .nav-toggle { display:flex; }
}
@media (max-width:680px) {
  .pricing__grid { grid-template-columns:1fr; }
  .pricing-card:last-child { grid-column: span 1; }
  .cta-section__actions { flex-direction:column; gap:1rem; }
  .footer__grid { grid-template-columns:1fr; }
  .footer__bottom { flex-direction:column; gap:0.75rem; text-align:center; }
  .cursor-dot { display:none; }
  .card-grid { grid-template-columns:1fr; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation-duration:0.01ms!important; animation-iteration-count:1!important; transition-duration:0.01ms!important; }
  .reveal { opacity:1; transform:none; }
}