/* ============================================================
   SYNVORA — ENTERPRISE LANDING PAGE
   Design: Dark mode, minimalist, high-contrast technical
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS
============================================================ */
:root {
  /* Colors */
  --color-bg:          #0A0E1A;
  --color-bg-2:        #0D1220;
  --color-bg-card:     #111827;
  --color-bg-card-2:   #141D2E;
  --color-border:      rgba(255, 255, 255, 0.07);
  --color-border-2:    rgba(255, 255, 255, 0.12);

  --color-cyan:        #00D4FF;
  --color-cyan-dim:    rgba(0, 212, 255, 0.15);
  --color-cyan-glow:   rgba(0, 212, 255, 0.08);
  --color-violet:      #7C3AED;
  --color-violet-dim:  rgba(124, 58, 237, 0.15);
  --color-green:       #10B981;
  --color-green-dim:   rgba(16, 185, 129, 0.15);
  --color-amber:       #F59E0B;

  --color-text:        #F1F5F9;
  --color-text-muted:  #94A3B8;
  --color-text-faint:  #4B5563;

  /* Typography */
  --font-body:         'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:         'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Fluid type scale */
  --text-xs:    clamp(0.7rem,  1vw,     0.75rem);
  --text-sm:    clamp(0.8rem,  1.5vw,   0.875rem);
  --text-base:  clamp(0.9rem,  2vw,     1rem);
  --text-lg:    clamp(1rem,    2.5vw,   1.125rem);
  --text-xl:    clamp(1.1rem,  3vw,     1.25rem);
  --text-2xl:   clamp(1.3rem,  3.5vw,   1.5rem);
  --text-3xl:   clamp(1.6rem,  4vw,     1.875rem);
  --text-4xl:   clamp(2rem,    5vw,     2.5rem);
  --text-5xl:   clamp(2.4rem,  6vw,     3.5rem);
  --text-hero:  clamp(2.8rem,  7vw,     4.5rem);

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  5rem;
  --space-4xl:  8rem;

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* Shadows */
  --shadow-glow-cyan:   0 0 40px rgba(0, 212, 255, 0.12);
  --shadow-glow-violet: 0 0 40px rgba(124, 58, 237, 0.12);
  --shadow-card:        0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-card-hover:  0 8px 48px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --duration:   200ms;
  --duration-lg: 400ms;
}

/* ============================================================
   2. RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; }

:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   3. LAYOUT UTILITIES
============================================================ */
.container {
  width: min(100%, 1200px);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2rem);
}

.section {
  padding-block: clamp(var(--space-3xl), 10vw, var(--space-4xl));
}

/* ============================================================
   4. TYPOGRAPHY
============================================================ */
.text-gradient {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-md);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-2xl), 5vw, var(--space-3xl));
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.section-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================================
   5. BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: transform var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out),
              background var(--duration) var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn--sm  { font-size: var(--text-sm);  padding: 0.5rem 1rem;  }
.btn--lg  { font-size: var(--text-base); padding: 0.875rem 1.75rem; }
.btn--full { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--color-cyan);
  color: var(--color-bg);
  box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.35);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-2);
}
.btn--ghost:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  transform: translateY(-2px);
}

/* ============================================================
   6. ANIMATION UTILITIES
============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--ease-out) forwards;
}
.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.35s; }
.fade-in:nth-child(4) { animation-delay: 0.5s; }
.fade-in:nth-child(5) { animation-delay: 0.65s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   7. NAVIGATION
============================================================ */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: 1.1rem;
  transition: background var(--duration) var(--ease-out),
              border-color var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
}
.site-header.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-right: auto;
}
.nav__logo svg { flex-shrink: 0; }

.nav__links {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--duration);
}
.nav__links a:hover { color: var(--color-text); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--duration) var(--ease-out),
              opacity var(--duration);
}

@media (max-width: 768px) {
  .nav__links, .nav > .btn { display: none; }
  .nav__toggle { display: flex; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    inset-inline-end: 0;
    background: var(--color-bg-2);
    padding: 5rem 2rem 2rem;
    gap: var(--space-xl);
    align-items: center;
    justify-content: center;
    z-index: 99;
    font-size: var(--text-xl);
  }
}

/* ============================================================
   8. HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block-start: clamp(6rem, 15vw, 8rem);
  padding-block-end: clamp(4rem, 10vw, 6rem);
  overflow: hidden;
}

/* Dot grid */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

/* Glow blobs */
.hero::before, .hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(100px);
}
.hero::before {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
  top: -100px; left: -200px;
}
.hero::after {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
  bottom: -100px; right: -150px;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  gap: var(--space-2xl);
  align-items: center;
}

.hero__badge {
  grid-column: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 100px;
  padding: 0.35rem 0.9rem;
  width: fit-content;
}
.badge__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

.hero__headline {
  grid-column: 1;
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero__sub {
  grid-column: 1;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 560px;
}

.tag-inline {
  display: inline-block;
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-2);
  color: var(--color-cyan);
  border-radius: var(--radius-sm);
  padding: 0.1rem 0.5rem;
  white-space: nowrap;
}

.hero__ctas {
  grid-column: 1;
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__stats {
  grid-column: 1;
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.stat__num {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  display: block;
}
.stat__unit { color: var(--color-cyan); }
.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
  display: block;
}

.hero__code-block {
  grid-column: 2;
  grid-row: 1 / 6;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Code window */
.code-window {
  background: #0F1623;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow-cyan);
  width: 100%;
  max-width: 560px;
}
.code-window__bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--color-border);
}
.dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.dot--red    { background: #FF5F57; }
.dot--yellow { background: #FEBC2E; }
.dot--green  { background: #28C840; }

.code-window__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-left: auto;
}
.code-window__body {
  padding: var(--space-lg);
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.65;
}
.code-window__body code { font-family: var(--font-mono); }

/* Override Prism Tomorrow theme bg to match ours */
pre[class*="language-"],
code[class*="language-"] {
  background: transparent !important;
  font-size: var(--text-sm) !important;
  font-family: var(--font-mono) !important;
}

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .hero__code-block {
    grid-column: 1;
    grid-row: auto;
  }
  .hero__headline { font-size: var(--text-5xl); }
}

@media (max-width: 640px) {
  .hero__headline { font-size: var(--text-4xl); }
  .hero__stats { gap: var(--space-lg); }
}

/* ============================================================
   9. TRUST BAR
============================================================ */
.trust-bar {
  padding-block: var(--space-2xl);
  border-block: 1px solid var(--color-border);
  background: var(--color-bg-2);
}
.trust-bar__label {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-xl);
}
.trust-bar__logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(var(--space-xl), 4vw, var(--space-3xl));
  flex-wrap: wrap;
}
.trust-logo {
  height: 32px;
  width: auto;
  opacity: 0.6;
  transition: opacity var(--duration);
}
.trust-logo:hover { opacity: 1; }

/* ============================================================
   10. TECHNICAL STACK
============================================================ */
.stack-section {
  background: var(--color-bg-2);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.stack-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out),
              transform var(--duration-lg) var(--ease-out);
}
.stack-card:hover {
  border-color: var(--color-border-2);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.stack-card__icon {
  width: 48px; height: 48px;
  margin-bottom: var(--space-lg);
}
.stack-card__icon svg { width: 100%; height: 100%; }
.stack-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}
.stack-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}
.stack-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.stack-card__tags li {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
}

@media (max-width: 1024px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .stack-grid { grid-template-columns: 1fr; } }

/* ============================================================
   11. ROI CALCULATOR
============================================================ */
.roi-section { background: var(--color-bg); }

.roi-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-xl), 4vw, var(--space-3xl));
  box-shadow: var(--shadow-glow-violet);
}

.roi-inputs { display: flex; flex-direction: column; gap: var(--space-2xl); }

.roi-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.roi-hint {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
}

.roi-input-row {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.roi-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 4px;
  background: var(--color-bg);
  outline: none;
  cursor: pointer;
}
.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 10px rgba(0,212,255,0.5);
  cursor: pointer;
  transition: transform var(--duration);
}
.roi-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.roi-slider::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-cyan);
  border: none;
  cursor: pointer;
}

.roi-val {
  font-size: var(--text-lg);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-cyan);
  min-width: 4.5rem;
  text-align: right;
}

.roi-results {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.roi-result-card {
  background: var(--color-bg-card-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: border-color var(--duration);
}
.roi-result-card--primary {
  border-color: rgba(0, 212, 255, 0.2);
  background: rgba(0, 212, 255, 0.03);
}
.roi-result-card--accent {
  border-color: rgba(124, 58, 237, 0.3);
  background: rgba(124, 58, 237, 0.05);
}

.roi-result-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}
.roi-result-num {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  font-family: var(--font-mono);
  transition: color 0.3s;
}
.roi-result-card--primary .roi-result-num { color: var(--color-cyan); }
.roi-result-card--accent  .roi-result-num { color: var(--color-violet); }

.roi-result-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.roi-cta {
  margin-top: var(--space-md);
  padding: var(--space-lg);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.roi-cta p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

@media (max-width: 768px) {
  .roi-wrapper { grid-template-columns: 1fr; }
}

/* ============================================================
   12. CASE STUDY
============================================================ */
.case-section { background: var(--color-bg-2); }

.case-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-3xl);
}
.case-tag {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 500;
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
}
.case-divider { color: var(--color-text-faint); }
.case-client {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.case-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 900px;
  margin-inline: auto;
}

.case-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}
.case-step--friction  { border-left: 3px solid var(--color-amber); }
.case-step--engineering { border-left: 3px solid var(--color-cyan); }
.case-step--roi       { border-left: 3px solid var(--color-green); }

.case-step__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.case-step__badge {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.6rem;
}
.case-step__title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.case-step--friction   .case-step__title { color: var(--color-amber); }
.case-step--engineering .case-step__title { color: var(--color-cyan); }
.case-step--roi        .case-step__title { color: var(--color-green); }

.case-step__body > p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.case-step__pain {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.case-step__pain li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.pain-icon { flex-shrink: 0; }

.case-code-block { margin-block: var(--space-lg); }

.code-window--case {
  box-shadow: var(--shadow-glow-cyan);
}

.case-step__arch {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.case-step__arch li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.case-step__arch li::before {
  content: '→';
  color: var(--color-cyan);
  flex-shrink: 0;
  font-weight: 700;
}

.case-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: var(--space-sm);
  gap: 2px;
}
.connector-line {
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, var(--color-border-2), transparent);
}
.connector-arrow {
  font-size: var(--text-xl);
  color: var(--color-text-faint);
}

.roi-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.roi-metric {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-card-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.roi-metric__num {
  font-size: var(--text-2xl);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-green);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.roi-metric__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}
.roi-metric__sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.case-quote {
  border-left: 3px solid var(--color-green);
  padding: var(--space-lg);
  background: rgba(16, 185, 129, 0.04);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.case-quote p {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}
.case-quote footer {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.case-cta {
  text-align: center;
  margin-top: var(--space-2xl);
}

@media (max-width: 768px) {
  .roi-metrics-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .roi-metrics-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   13. RESOURCES
============================================================ */
.resources-section { background: var(--color-bg); }

.resources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.resource-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: border-color var(--duration), transform var(--duration-lg) var(--ease-out);
}
.resource-card:hover {
  border-color: var(--color-border-2);
  transform: translateY(-3px);
}
.resource-card__type {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-violet);
}
.resource-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.resource-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}
.resource-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.resource-tag {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
}
.resource-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-cyan);
  transition: gap var(--duration);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}
.resource-card__link:hover { text-decoration: underline; }

@media (max-width: 768px) { .resources-grid { grid-template-columns: 1fr; } }

/* ============================================================
   14. CONTACT
============================================================ */
.contact-section {
  background: var(--color-bg-2);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-2xl), 5vw, var(--space-4xl));
  align-items: start;
}

.contact-copy .section-title { text-align: left; }
.contact-copy p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-list svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-xl), 4vw, var(--space-2xl));
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-field label span { color: var(--color-cyan); }

.form-field input,
.form-field select,
.form-field textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: 0.65rem 0.875rem;
  transition: border-color var(--duration), box-shadow var(--duration);
  width: 100%;
  outline: none;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--color-text-faint); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-field input.error,
.form-field select.error,
.form-field textarea.error {
  border-color: #F87171;
}

.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.25rem;
  cursor: pointer;
}
.form-field select option { background: var(--color-bg-card); }

.form-field textarea { resize: vertical; min-height: 80px; }

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  line-height: 1.6;
}

/* Form success state */
.form-success {
  text-align: center;
  padding: var(--space-2xl);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}
.form-success.visible { display: flex; }
.form-success__icon {
  width: 56px; height: 56px;
  background: var(--color-green-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.form-success__title {
  font-size: var(--text-xl);
  font-weight: 700;
}
.form-success__sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .contact-inner { grid-template-columns: 1fr; }
  .contact-copy .section-title { text-align: center; }
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   15. FOOTER
============================================================ */
.site-footer {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
  min-width: 200px;
}
.footer-brand p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 300px;
}

.footer-nav ul {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--duration);
}
.footer-nav a:hover { color: var(--color-cyan); }

.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-left: auto;
}

@media (max-width: 768px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-legal { margin-left: 0; }
}

/* ============================================================
   16. SCROLLBAR
============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: var(--color-text-faint);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }