/* ======================================================
   CUSTOM PROPERTIES
   ====================================================== */
:root {
  --color-bg: #141722;
  --color-bg-raised: #1a1e2e;
  --color-bg-surface: #1f2436;
  --color-bg-hover: #272d42;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-lite: rgba(255, 255, 255, 0.04);

  --color-text: #e8eaf0;
  --color-text-secondary: #8b92a8;
  --color-text-tertiary: #545b72;

  --color-accent: #3db4c0;
  --color-accent-hover: #50c8d4;
  --color-accent-glow: rgba(61, 180, 192, 0.18);
  --color-accent-subtle: rgba(61, 180, 192, 0.10);

  --color-cool: #4abe80;
  --color-cool-subtle: rgba(74, 190, 128, 0.10);

  --color-warm: #e8a838;
  --color-warm-subtle: rgba(232, 168, 56, 0.10);

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --size-max: 1200px;
  --size-max-narrow: 800px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 500ms ease;
}

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

head,
style,
script,
link,
meta,
title {
  display: none !important;
}

div,
section,
nav,
footer,
header,
main,
article,
aside,
form,
figure,
figcaption,
blockquote,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li {
  display: block;
}



html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

/* ======================================================
   UTILITY
   ====================================================== */
.container {
  display: block;
  max-width: var(--size-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--size-max-narrow);
}

/* Fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ======================================================
   TYPOGRAPHY
   ====================================================== */
.heading-xl {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.heading-lg {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.heading-md {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-sm {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.body-lg {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.body-md {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ======================================================
   BUTTONS
   ====================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--color-accent-glow),
    0 1px 2px rgba(0, 0, 0, 0.3);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 0 40px 4px var(--color-accent-glow),
    0 4px 12px rgba(0, 0, 0, 0.4);
  transform: translateY(-1px);
}

.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.btn--ghost:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--color-bg-hover);
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ======================================================
   NAV
   ====================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-base);
}

.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 23, 34, 0.6);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}

.nav.is-scrolled::before {
  border-bottom-color: var(--color-border);
}

.nav__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--size-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav__wordmark {
  display: flex;
  align-items: center;
}

.nav__logo {
  height: 40px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__cta {
  font-size: 0.875rem !important;
  padding: 0.5rem 1.25rem !important;
  background: #fff !important;
  color: var(--color-bg) !important;
  font-weight: 700 !important;
}

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav__mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ======================================================
   HERO
   ====================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

/* Tectonic gradient background */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 140%;
  height: 140%;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%,
      rgba(61, 180, 192, 0.08) 0%,
      transparent 60%),
    radial-gradient(ellipse 40% 40% at 70% 60%,
      rgba(94, 196, 208, 0.04) 0%,
      transparent 50%);
  animation: hero-drift 20s ease-in-out infinite alternate;
}

.hero__bg::after {
  content: '';
  position: absolute;
  top: 60%;
  left: 30%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle,
      rgba(61, 180, 192, 0.06) 0%,
      transparent 70%);
  animation: hero-pulse 8s ease-in-out infinite;
}

@keyframes hero-drift {
  0% {
    transform: translate(0, 0) scale(1);
  }

  100% {
    transform: translate(3%, -2%) scale(1.05);
  }
}

@keyframes hero-pulse {

  0%,
  100% {
    opacity: 0.4;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

/* Grid pattern */
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: var(--color-accent-subtle);
  border: 1px solid rgba(61, 180, 192, 0.15);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__title .accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, #6dd8e0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ======================================================
   SECTION BASE
   ====================================================== */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section--border-top {
  border-top: 1px solid var(--color-border);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.section__header .label {
  margin-bottom: var(--space-sm);
  display: block;
}

.section__header .heading-lg {
  margin-bottom: var(--space-md);
}

/* ======================================================
   PROBLEM — OPERATIONAL DRIFT
   ====================================================== */
.drift {
  background: var(--color-bg);
}

.drift__comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.drift__side {
  padding: var(--space-xl);
  position: relative;
}

.drift__side--build {
  background: var(--color-bg-surface);
}

.drift__side--run {
  background: var(--color-bg-raised);
}

.drift__side-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.drift__side--build .drift__side-label {
  color: #4abe80;
}

.drift__side--run .drift__side-label {
  color: var(--color-warm);
}

.drift__side-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.drift__side--build .drift__side-icon {
  background: #4abe80;
  box-shadow: 0 0 8px rgba(74, 190, 128, 0.4);
}

.drift__side--run .drift__side-icon {
  background: var(--color-warm);
  box-shadow: 0 0 8px var(--color-warm-subtle);
}

.drift__side h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.drift__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.drift__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.drift__list-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  font-size: 0.8125rem;
}

.drift__side--build .drift__list-icon {
  color: #4abe80;
}

.drift__side--run .drift__list-icon {
  color: var(--color-warm);
}

.drift__bottom {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.drift__bottom p {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

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

/* ======================================================
   SOLUTION
   ====================================================== */
.solution {
  background: var(--color-bg-raised);
}

.solution__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.solution__card {
  position: relative;
  padding: var(--space-lg);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  overflow: hidden;
}

.solution__card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  background: var(--color-bg-hover);
}

.solution__card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.solution__card:nth-child(1) .solution__card-icon {
  background: var(--color-accent-subtle);
  border: 1px solid rgba(61, 180, 192, 0.12);
}

.solution__card:nth-child(2) .solution__card-icon {
  background: var(--color-cool-subtle);
  border: 1px solid rgba(94, 196, 208, 0.12);
}

.solution__card:nth-child(3) .solution__card-icon {
  background: rgba(232, 168, 56, 0.08);
  border: 1px solid rgba(232, 168, 56, 0.12);
}

.solution__card:nth-child(4) .solution__card-icon {
  background: rgba(74, 190, 128, 0.08);
  border: 1px solid rgba(74, 190, 128, 0.12);
}

.solution__card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.solution__card p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* ======================================================
   APPROACH - DETERMINISTIC VS AGENTIC
   ====================================================== */
.approach {
  background: var(--color-bg);
}

.approach__comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.approach__side {
  padding: var(--space-xl);
}

.approach__side--theirs {
  background: var(--color-bg-surface);
}

.approach__side--ours {
  background: var(--color-bg-raised);
}

.approach__side-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.approach__side--theirs .approach__side-label {
  color: var(--color-warm);
}

.approach__side--ours .approach__side-label {
  color: var(--color-cool);
}

.approach__side-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.approach__side--theirs .approach__side-icon {
  background: var(--color-warm);
  box-shadow: 0 0 8px var(--color-warm-subtle);
}

.approach__side--ours .approach__side-icon {
  background: var(--color-cool);
  box-shadow: 0 0 8px rgba(74,190,128,0.4);
}

.approach__side h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.approach__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.approach__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.approach__list-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  font-size: 0.8125rem;
}

.approach__side--theirs .approach__list-icon {
  color: var(--color-warm);
}

.approach__side--ours .approach__list-icon {
  color: var(--color-cool);
}

.approach__bottom {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.approach__bottom p {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

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

@media (max-width: 900px) {
  .approach__comparison {
    grid-template-columns: 1fr;
  }
}

/* ======================================================
   HOW IT WORKS
   ====================================================== */
.how {
  background: var(--color-bg);
}

.how__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

/* Connecting line */
.how__steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.666% + 24px);
  right: calc(16.666% + 24px);
  height: 1px;
  background: linear-gradient(90deg,
      var(--color-accent) 0%,
      var(--color-cool) 100%);
  opacity: 0.3;
}

.how__step {
  text-align: center;
  position: relative;
}

.how__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.how__step:nth-child(1) .how__step-number {
  background: var(--color-accent-subtle);
  border: 1px solid rgba(61, 180, 192, 0.2);
  color: var(--color-accent);
}

.how__step:nth-child(2) .how__step-number {
  background: rgba(232, 168, 56, 0.08);
  border: 1px solid rgba(232, 168, 56, 0.2);
  color: #e8a838;
}

.how__step:nth-child(3) .how__step-number {
  background: var(--color-cool-subtle);
  border: 1px solid rgba(94, 196, 208, 0.2);
  color: var(--color-cool);
}

.how__step h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.how__step p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 300px;
  margin: 0 auto;
}

/* Code-style visual */
.how__visual {
  margin-top: var(--space-xl);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.how__visual-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--color-border);
}

.how__visual-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  opacity: 0.4;
}

.how__visual-content {
  padding: var(--space-lg);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.how__visual-content .kw {
  color: #e8a838;
}

.how__visual-content .str {
  color: #4abe80;
}

.how__visual-content .fn {
  color: var(--color-accent);
}

.how__visual-content .cm {
  color: var(--color-text-tertiary);
}

.how__visual-content .acc {
  color: var(--color-accent);
}

/* ======================================================
   PRODUCT PREVIEW
   ====================================================== */
.product-preview {
  background: var(--color-bg);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.product-preview__frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.3),
    0 0 80px rgba(61, 180, 192, 0.06);
}

.product-preview__img {
  width: 100%;
  height: auto;
  display: block;
}

.product-preview__caption {
  text-align: center;
  margin-top: var(--space-md);
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ======================================================
   FOR WHO
   ====================================================== */
.audience {
  background: var(--color-bg-raised);
}

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

.audience__text .heading-lg {
  margin-bottom: var(--space-md);
}

.audience__text .body-lg {
  margin-bottom: var(--space-lg);
}

.audience__signals {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.audience__signal {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.audience__signal:hover {
  border-color: rgba(255, 255, 255, 0.1);
  background: var(--color-bg-hover);
}

.audience__signal-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  margin-top: 2px;
}

.audience__signal h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.audience__signal p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ======================================================
   VISION
   ====================================================== */
.vision {
  background: var(--color-bg);
  overflow: hidden;
}

.vision__inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.vision__inner .heading-lg {
  margin-bottom: var(--space-md);
}

.vision__steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: var(--space-xl);
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.vision__step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
}

.vision__step::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
}

.vision__step:nth-child(1)::before {
  background: var(--color-accent);
}

.vision__step:nth-child(2)::before {
  background: #e8a838;
}

.vision__step:nth-child(3)::before {
  background: var(--color-cool);
}

.vision__step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.8125rem;
  font-weight: 700;
  margin-top: 2px;
}

.vision__step:nth-child(1) .vision__step-num {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.vision__step:nth-child(2) .vision__step-num {
  background: rgba(232, 168, 56, 0.1);
  color: #e8a838;
}

.vision__step:nth-child(3) .vision__step-num {
  background: var(--color-cool-subtle);
  color: var(--color-cool);
}

.vision__step-text h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.vision__step-text p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.vision__coda {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-accent-subtle), rgba(94, 196, 208, 0.04));
  border: 1px solid rgba(61, 180, 192, 0.1);
  border-radius: var(--radius-md);
  text-align: center;
}

.vision__coda p {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.vision__coda strong {
  color: var(--color-accent);
}

/* ======================================================
   CTA
   ====================================================== */
.cta-section {
  background: var(--color-bg-raised);
  position: relative;
  overflow: hidden;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 50% 100%,
      rgba(61, 180, 192, 0.06) 0%,
      transparent 70%);
}

.cta-section__inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-section__inner .heading-lg {
  margin-bottom: var(--space-sm);
}

.cta-section__inner .body-lg {
  margin-bottom: var(--space-lg);
}

.cta-form {
  display: flex;
  gap: 0.75rem;
  max-width: 460px;
  margin: 0 auto var(--space-md);
}

.cta-form__input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast);
}

.cta-form__input::placeholder {
  color: var(--color-text-tertiary);
}

.cta-form__input:focus {
  border-color: rgba(61, 180, 192, 0.4);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.cta-email {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.cta-email a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-decoration-color: var(--color-text-tertiary);
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.cta-email a:hover {
  color: var(--color-text);
}

.cta-email-hero {
  margin: 0 auto;
  text-align: center;
}

.cta-email-hero .btn {
  font-size: 1.25rem;
  padding: 1rem 2.5rem;
  letter-spacing: 0.01em;
}

/* ======================================================
   FOOTER
   ====================================================== */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__wordmark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.footer__wordmark span {
  color: var(--color-accent);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.footer__tagline {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  font-style: italic;
}

/* ======================================================
   MOBILE
   ====================================================== */
@media (max-width: 900px) {
  .drift__comparison {
    grid-template-columns: 1fr;
  }

  .solution__grid {
    grid-template-columns: 1fr;
  }

  .how__steps {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .how__steps::before {
    display: none;
  }

  .audience__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 5rem;
    --space-2xl: 4rem;
    --space-xl: 3rem;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(20, 23, 34, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-md);
    gap: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links li {
    width: 100%;
  }

  .nav__links a,
  .nav__links .btn {
    display: block;
    width: 100%;
    padding: 0.75rem 0;
    text-align: center;
  }

  .nav__mobile-toggle {
    display: flex;
  }

  .drift__side {
    padding: var(--space-lg);
  }

  .cta-form {
    flex-direction: column;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .how__visual-content {
    font-size: 0.75rem;
    padding: var(--space-sm);
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .solution__grid {
    gap: 1rem;
  }

  .solution__card {
    padding: var(--space-md);
  }
}