/* ============================================================
   CYBERSHIELD IR — Design Tokens
   Concept: SOC "command center" — dark, precise, technical,
   amber alert accent, cyan for technical/data emphasis.
   ============================================================ */

:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #f3f4f6;
  --color-surface: #ffffff;
  --color-surface-2: #f9fafb;
  --color-surface-offset: #ecedf1;
  --color-surface-offset-2: #e4e6eb;
  --color-divider: #e1e4e8;
  --color-border: #d3d7dd;

  /* Text */
  --color-text: #10141b;
  --color-text-muted: #565f6d;
  --color-text-faint: #98a0ab;
  --color-text-inverse: #f7f8fa;

  /* Primary accent — signal amber */
  --color-primary: #5b79be;
  --color-primary-hover: #87a5c7;
  --color-primary-active: #84b4f7;
  --color-primary-highlight: #dce5f1;

  /* Secondary accent — technical cyan */
  --color-accent: #0b6b74;
  --color-accent-hover: #08555c;
  --color-accent-highlight: #cde6e6;

  /* Semantic */
  --color-success: #2f7d4f;
  --color-warning: #5b79be;
  --color-error: #a8394a;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 250 / 0.07);
  --shadow-md: 0 6px 16px oklch(0.2 0.02 250 / 0.1);
  --shadow-lg: 0 16px 40px oklch(0.2 0.02 250 / 0.16);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1180px;
  --content-full: 100%;

  --font-display: 'Cabinet Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', monospace;
}

[data-theme='dark'] {
  --color-bg: #0a0d12;
  --color-surface: #10151c;
  --color-surface-2: #141a22;
  --color-surface-offset: #171e27;
  --color-surface-offset-2: #1c2530;
  --color-divider: #1e2731;
  --color-border: #29323d;

  --color-text: #e8eaed;
  --color-text-muted: #97a0ac;
  --color-text-faint: #5c6673;
  --color-text-inverse: #10141b;

  --color-primary: #5b79be;
  --color-primary-hover: #87a5c7;
  --color-primary-active: #84b4f7;
  --color-primary-highlight: #dce5f1;

  --color-accent: #45c7c9;
  --color-accent-hover: #6fd8d9;
  --color-accent-highlight: #17302f;

  --color-success: #5fb682;
  --color-warning: #5b79be;
  --color-error: #dd7684;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 6px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

/* Type scale */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section-narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--color-primary) 22%, transparent);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
}

.section-lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 62ch;
}

.divider-line {
  height: 1px;
  width: 100%;
  background: var(--color-divider);
}

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo svg {
  width: 30px;
  height: 30px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.logo-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  line-height: 1.1;
}
.logo-word span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65em;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

/* Keep the Free Consultation CTA visible on every screen size.
   On smaller viewports it stays in the header but becomes more compact
   so the logo, theme toggle and menu button still fit on one row. */
@media (max-width: 860px) {
  .header-inner {
    gap: var(--space-3);
  }
  .header-actions {
    gap: var(--space-2);
    flex-shrink: 0;
  }
  #header-cta {
    display: inline-flex;
  }
}

@media (max-width: 560px) {
  /* Shrink the wordmark so it never pushes the CTA off screen */
  .logo {
    gap: var(--space-2);
    min-width: 0;
    flex: 1 1 auto;
  }
  .logo svg {
    width: 26px;
    height: 26px;
  }
  .logo-wordmark,
  .logo-word {
    font-size: 0.78rem;
    line-height: 1.2;
    min-width: 0;
  }
  .logo-wordmark span {
    display: block;
    overflow: hidden;
  }

  #header-cta {
    display: inline-flex;
    padding: var(--space-2) var(--space-4);
    font-size: 0.8rem;
    min-height: 40px; /* keeps a comfortable tap target */
    white-space: nowrap;
  }

  /* The theme toggle is the least critical control on a phone,
     so it yields space to the CTA */
  .theme-toggle {
    display: none;
  }
}

#header-cta .cta-label-short {
  display: none;
}

@media (max-width: 360px) {
  /* Very small phones: shorten the CTA label to "Consultation" */
  #header-cta {
    padding: var(--space-2) var(--space-3);
    font-size: 0.75rem;
  }
  #header-cta .cta-label-long {
    display: none;
  }
  #header-cta .cta-label-short {
    display: inline;
  }
  .logo-wordmark,
  .logo-word {
    font-size: 0.7rem;
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  .nav-toggle {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #14100a;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-primary:active {
  background: var(--color-primary-active);
}

.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32)) clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(color-mix(in oklab, var(--color-border) 55%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--color-border) 55%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
  opacity: 0.6;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero-kicker .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: var(--space-6);
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 62ch;
  margin-bottom: var(--space-10);
}

.hero-cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero-meta-item .num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-weight: 600;
}
.hero-meta-item .label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   PROBLEM — failure mode list
   ============================================================ */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-12);
}

.problem-card {
  background: var(--color-surface);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.problem-card .tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}

.problem-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 620px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   SCENARIO MODULES
   ============================================================ */

.modules-list {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-12);
  border-top: 1px solid var(--color-divider);
}

.module-row {
  display: grid;
  grid-template-columns: 88px 1fr 1fr;
  gap: var(--space-8);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
  align-items: start;
}

.module-num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-text-faint);
  font-weight: 600;
}

.module-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}

.module-tests {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.module-tests strong {
  color: var(--color-text);
  font-weight: 600;
}

@media (max-width: 760px) {
  .module-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .module-num {
    font-size: var(--text-sm);
  }
}

/* ============================================================
   DELIVERABLES
   ============================================================ */

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.deliverable-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  gap: var(--space-4);
}

.deliverable-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.deliverable-icon svg {
  width: 20px;
  height: 20px;
}

.deliverable-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.deliverable-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 720px) {
  .deliverables-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   WHY US
   ============================================================ */

.why-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.why-copy p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.why-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.stat-card .stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-2);
}
.stat-card .stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 860px) {
  .why-block {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ============================================================
   PRICING
   ============================================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
  align-items: stretch;
}

.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  position: relative;
}

.price-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(180deg, color-mix(in oklab, var(--color-primary) 6%, var(--color-surface)), var(--color-surface));
}

.price-badge {
  position: absolute;
  top: -13px;
  left: var(--space-8);
  background: var(--color-primary);
  color: #14100a;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.price-tier-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.price-tier-fit {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  min-height: 2.6em;
}

.price-amount {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 1.05rem + 1vw, 1.85rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  white-space: nowrap;
}

.price-amount--quote {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  white-space: normal;
  line-height: 1.3;
  color: var(--color-primary);
}

.price-amount span {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

.price-format {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-grow: 1;
}

.price-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
  max-width: none;
}

.price-features svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.pricing-footnote {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-10);
}

@media (max-width: 960px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .price-card--featured {
    order: -1;
  }
}

/* ============================================================
   CTA / CONTACT
   ============================================================ */

.cta-section {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.cta-inner {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.cta-inner p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  margin-inline: auto;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  padding-block: var(--space-12);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
}
.footer-brand svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-faint);
}
.footer-brand span {
  font-size: var(--text-xs);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}
.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--color-primary);
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}