/* ============================================
   XILENCE — Design tokens
   ============================================ */
:root {
  --black: #0A0A0B;
  --black-elevated: #141416;
  --black-panel: #1C1C1F;
  --line: rgba(242, 240, 236, 0.10);
  --line-strong: rgba(242, 240, 236, 0.18);
  --red: #E8332E;
  --red-dim: #B8221E;
  --red-glow: rgba(232, 51, 46, 0.35);
  --paper: #F2F0EC;
  --paper-dim: #A6A6AA;
  --paper-faint: #6E6E73;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --wrap: 1180px;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.025em;
}
p { margin: 0; }
img { max-width: 100%; display: block; }

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

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

/* subtle grain overlay for texture */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ============================================
   Buttons & shared bits
   ============================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 18px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 8px var(--red-glow);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(30px, 4.5vw, 50px);
  line-height: 1.06;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  color: var(--black-elevated);
}
.section-title.light { color: var(--paper); }

.section-sub {
  font-size: 17px;
  color: var(--paper-faint);
  max-width: 560px;
  margin-bottom: 40px;
}
.section-sub.light { color: var(--paper-dim); max-width: 480px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--red);
  color: var(--black);
}
.btn-primary:hover {
  background: #ff433d;
  box-shadow: 0 0 0 4px var(--red-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-small { padding: 10px 18px; font-size: 14px; }

/* ============================================
   Header
   ============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.site-header.scrolled {
  border-color: var(--line);
  background: rgba(10, 10, 11, 0.92);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo img {
  width: 140px;
  height: auto;
  display: block;
}
.logo-mark { color: var(--red); font-size: 24px; }
.main-nav { display: flex; gap: 32px; }
.main-nav a {
  font-size: 14px;
  color: var(--paper-dim);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--paper); }
.header-cta { display: inline-flex; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none; border: none; cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--paper);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: 168px 0 40px;
  position: relative;
  overflow: hidden;
}
.hero-inner { max-width: 760px; }
.hero-title {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.05;
  color: var(--paper);
  margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--paper);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--paper-dim);
  max-width: 600px;
  margin-bottom: 38px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.wave-signature {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.wave-signature svg { width: 100%; height: 110px; display: block; }
.wave-caption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-faint);
  margin-top: 8px;
  text-transform: uppercase;
}

/* ============================================
   Frameworks strip
   ============================================ */
.frameworks {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}
.frameworks-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.frameworks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
}
.frameworks-list li {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--paper-dim);
}

/* ============================================
   Services
   ============================================ */
.services {
  background: var(--paper);
  color: var(--black-elevated);
  padding: 110px 0;
}
.services .section-sub { color: var(--paper-faint); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  margin-top: 8px;
}
.service-card {
  background: var(--paper);
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  min-height: 280px;
}
.service-stage {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red-dim);
  margin-bottom: 14px;
}
.service-card h3 {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.service-card p {
  font-size: 14.5px;
  color: var(--paper-faint);
  flex: 1;
}
.service-card-featured {
  background: var(--black);
}
.service-card-featured .service-stage { color: var(--red); }
.service-card-featured h3 { color: var(--paper); }
.service-card-featured p { color: var(--paper-dim); }
.service-link {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--red);
}

/* ============================================
   SecureIQ spotlight
   ============================================ */
.secureiq {
  background: var(--black-elevated);
  padding: 110px 0;
  border-bottom: 1px solid var(--line);
}
.secureiq-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 34px;
}
.feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--paper-dim);
  font-size: 15px;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 1px;
}
.siq-panel {
  background: var(--black);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 8px;
}
.siq-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--paper);
  border-bottom: 1px solid var(--line);
}
.siq-row:last-child { border-bottom: none; }
.siq-status {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
}
.siq-status.ok { color: #6FE39A; background: rgba(111, 227, 154, 0.12); }
.siq-status.warn { color: var(--red); background: var(--red-glow); }

/* ============================================
   Process
   ============================================ */
.process {
  background: var(--paper);
  color: var(--black-elevated);
  padding: 110px 0;
}
.process .section-sub { color: var(--paper-faint); }
.process-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 60px;
  margin-top: 24px;
}
.process-list li {
  display: flex;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}
.process-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--red-dim);
  flex-shrink: 0;
}
.process-list h3 { font-size: 18px; margin-bottom: 8px; color: var(--black-elevated); }
.process-list p { font-size: 14.5px; color: var(--paper-faint); }

/* ============================================
   About
   ============================================ */
.about {
  background: var(--black);
  padding: 110px 0;
}
.about-inner { max-width: 900px; }
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 24px;
}
.about-item h3 {
  font-size: 17px;
  color: var(--paper);
  margin-bottom: 10px;
}
.about-item p {
  font-size: 14.5px;
  color: var(--paper-dim);
}

/* ============================================
   CTA / Contact
   ============================================ */
.cta-banner {
  background: var(--black-elevated);
  padding: 110px 0;
  border-top: 1px solid var(--line);
}
.cta-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.cta-inner .section-sub { margin-left: auto; margin-right: auto; }

.contact-form {
  text-align: left;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 12px;
}
.form-row-full { grid-column: 1 / -1; }
.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper-faint);
  margin-bottom: 8px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background: var(--black);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  resize: vertical;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--red);
}
.form-submit {
  grid-column: 1 / -1;
  width: fit-content;
  margin-top: 4px;
}
.form-note {
  grid-column: 1 / -1;
  font-size: 12.5px;
  color: var(--paper-faint);
  margin-top: -8px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--black);
  border-top: 1px solid var(--line);
  padding-top: 70px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  padding-bottom: 50px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--paper-faint);
  max-width: 280px;
}
.logo-footer { margin-bottom: 4px; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-faint);
  margin-bottom: 4px;
}
.footer-col a, .footer-static {
  font-size: 14px;
  color: var(--paper-dim);
}
.footer-col a:hover { color: var(--red); }
.footer-static { color: var(--paper-faint); font-size: 12.5px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 28px;
}
.footer-bottom p {
  font-size: 12.5px;
  color: var(--paper-faint);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .secureiq-inner { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 10, 11, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 8px 28px 20px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 130px 0 30px; }
  .service-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; gap: 30px; }
}