/* ========================================================
   Signal — Brand Marketing Studio
   Tokens
   ======================================================== */
:root {
  --ink: #0a0a0b;
  --ink-soft: #100f12;
  --surface: #151318;
  --surface-2: #1c1a20;
  --hairline: rgba(246, 243, 236, 0.12);
  --hairline-strong: rgba(246, 243, 236, 0.2);
  --paper: #f6f3ec;
  --muted: #9c97a3;
  --muted-2: #6f6b76;
  --gold: #c9a24c;
  --gold-bright: #f2d98a;
  --gold-dim: #8a6e2f;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --container: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, canvas { display: block; max-width: 100%; }

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  z-index: 200;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ========================================================
   Type helpers
   ======================================================== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.1rem;
}

.section-headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 3.6vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 2.75rem;
  max-width: 18ch;
  color: var(--paper);
}

/* ========================================================
   Layout shells
   ======================================================== */
.section {
  padding: clamp(4.5rem, 9vw, 8rem) 0;
  border-bottom: 1px solid var(--hairline);
}
.section-alt {
  background: var(--ink-soft);
}
.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}
.section-inner-narrow {
  max-width: 760px;
}

/* ========================================================
   Nav
   ======================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0);
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease);
}
.nav.is-scrolled {
  background: rgba(10, 10, 11, 0.86);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--hairline);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.25rem clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--paper);
}
.wordmark-sm { font-size: 1.1rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  font-size: 0.9rem;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--paper); }

.nav-cta {
  color: var(--ink) !important;
  background: var(--gold);
  padding: 0.55rem 1.15rem;
  border-radius: 2px;
  font-weight: 500;
}
.nav-cta:hover { background: var(--gold-bright) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--paper);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--ink-soft);
  border-bottom: 1px solid var(--hairline);
}
.mobile-menu a {
  padding: 1rem clamp(1.5rem, 4vw, 3rem);
  text-decoration: none;
  color: var(--paper);
  border-top: 1px solid var(--hairline);
  font-size: 0.95rem;
}
.mobile-menu .nav-cta {
  margin: 1rem clamp(1.5rem, 4vw, 3rem);
  text-align: center;
  border-top: none;
}

.nav.menu-open .mobile-menu { display: flex; }

/* ========================================================
   Hero
   ======================================================== */
.hero {
  padding: clamp(8rem, 16vw, 11rem) 0 clamp(4rem, 8vw, 6rem);
  border-bottom: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}
.hero-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.75rem, 7vw, 5.75rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 2.5rem;
  max-width: 16ch;
}

.signal-band {
  width: 100%;
  height: clamp(70px, 12vw, 120px);
  margin: 0 0 2.5rem;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.signal-band canvas {
  width: 100%;
  height: 100%;
}

.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.65;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 2.75rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

/* ========================================================
   Buttons
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.95rem 1.9rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn-primary {
  background: var(--gold);
  color: var(--ink);
}
.btn-primary:hover {
  background: var(--gold-bright);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--hairline-strong);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ========================================================
   Services
   ======================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.service-card {
  background: var(--ink);
  padding: clamp(2rem, 3vw, 2.75rem);
}
.service-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 0.85rem;
  color: var(--paper);
}
.service-card p {
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 42ch;
}
.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.service-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--paper);
  padding-left: 1.1rem;
  position: relative;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* ========================================================
   Process
   ======================================================== */
.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.process-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.5rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--hairline);
  align-items: baseline;
}
.process-item:last-child {
  border-bottom: 1px solid var(--hairline);
}
.process-index {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.process-item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0 0 0.6rem;
}
.process-item p {
  margin: 0;
  color: var(--muted);
  max-width: 58ch;
}

/* ========================================================
   Quote band
   ======================================================== */
.quote-band {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  border-bottom: 1px solid var(--hairline);
}
.manifesto {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}
.manifesto p {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.4;
  color: var(--gold-bright);
  margin: 0 0 1rem;
  max-width: 26ch;
}
.manifesto cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ========================================================
   Pricing
   ======================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}
.pricing-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: 2.25rem;
  position: relative;
}
.pricing-card-featured {
  border-color: var(--gold);
  background: var(--surface-2);
}
.pricing-tag {
  position: absolute;
  top: -0.7rem;
  left: 2.25rem;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
}
.pricing-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 0.75rem;
}
.pricing-price {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--gold-bright);
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.pricing-price span {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--muted);
}
.pricing-desc {
  color: var(--muted);
  margin: 0 0 1.75rem;
  font-size: 0.95rem;
  line-height: 1.6;
}
.pricing-features {
  list-style: none;
  margin: 0 0 2.25rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex-grow: 1;
}
.pricing-features li {
  font-size: 0.92rem;
  color: var(--paper);
  padding-left: 1.25rem;
  position: relative;
}
.pricing-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}
.pricing-cta {
  width: 100%;
}
.pricing-note {
  margin: 3rem 0 0;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
}

/* ========================================================
   Contact
   ======================================================== */
.section-contact {
  border-bottom: none;
}
.contact-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 52ch;
  margin: 0 0 3rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field select,
.field textarea {
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 2px;
  transition: border-color 0.2s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
  outline: none;
}
.field textarea { resize: vertical; min-height: 120px; }

.form-footer {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.5rem;
}
.form-status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-family: var(--font-mono);
}
.form-status[data-state="success"] { color: var(--gold-bright); }
.form-status[data-state="error"] { color: #e07a5f; }

.contact-direct {
  margin: 2.5rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.contact-direct a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========================================================
   Footer
   ======================================================== */
.footer {
  padding: 2.75rem 0;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-links {
  display: flex;
  gap: 1.75rem;
  font-size: 0.85rem;
}
.footer-links a {
  text-decoration: none;
  color: var(--muted);
}
.footer-links a:hover { color: var(--paper); }
.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-2);
  margin: 0;
}

/* ========================================================
   Reveal-on-scroll
   ======================================================== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================================
   Responsive
   ======================================================== */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .process-item { grid-template-columns: 50px 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero { padding-top: 7rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}