/* ============================================
   TheNextLogic — Premium Agency Landing Page
   ============================================ */

:root {
  --ink: #0B0D0F;
  --warm-white: #F5F3ED;
  --coral: #FF5A4F;
  --lime: #C7F36B;
  --graphite: #25282B;
  --soft-silver: #A9AFB2;

  --font-heading: 'Syne', system-ui, sans-serif;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --space-xs: clamp(0.5rem, 1vw, 0.75rem);
  --space-sm: clamp(0.75rem, 1.5vw, 1rem);
  --space-md: clamp(1rem, 2vw, 1.5rem);
  --space-lg: clamp(1.5rem, 3vw, 2.5rem);
  --space-xl: clamp(2rem, 5vw, 4rem);
  --space-2xl: clamp(3rem, 8vw, 7rem);

  --text-xs: clamp(0.65rem, 1vw, 0.75rem);
  --text-sm: clamp(0.8rem, 1.2vw, 0.875rem);
  --text-base: clamp(0.95rem, 1.5vw, 1.05rem);
  --text-lg: clamp(1.1rem, 2vw, 1.35rem);
  --text-xl: clamp(1.5rem, 3vw, 2rem);
  --text-2xl: clamp(2rem, 5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 7vw, 5rem);
  --text-hero: clamp(3.5rem, 12vw, 9rem);

  --nav-height: 72px;
  --border: 1px solid rgba(169, 175, 178, 0.25);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --gradient-accent: linear-gradient(135deg, var(--coral), var(--lime));
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

.container {
  width: min(1280px, 92vw);
  margin-inline: auto;
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--soft-silver);
  margin-bottom: var(--space-md);
}

.label::before {
  content: '';
  flex-shrink: 0;
  width: 28px;
  height: 2px;
  background: var(--gradient-accent);
}

.section {
  padding-block: var(--space-2xl);
}

.section--dark {
  background: var(--ink);
  color: var(--warm-white);
}

.section--dark .label {
  color: var(--soft-silver);
}

.section-headline {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-2xl);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  position: relative;
}

.section-headline::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin-top: var(--space-md);
  background: var(--coral);
}

.section--dark .section-headline::after {
  background: var(--gradient-accent);
}

.section-headline span {
  display: block;
}

.section-copy {
  max-width: 540px;
  font-size: var(--text-lg);
  color: var(--graphite);
  margin-bottom: var(--space-xl);
}

.section--dark .section-copy {
  color: var(--soft-silver);
}

.text-coral {
  color: var(--coral);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: var(--border);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--warm-white);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
}

.btn--secondary {
  border-color: var(--ink);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--ink);
  color: var(--warm-white);
}

.section--dark .btn--secondary {
  border-color: var(--warm-white);
  color: var(--warm-white);
}

.section--dark .btn--secondary:hover {
  background: var(--warm-white);
  color: var(--ink);
}

.btn--large {
  padding: 1.1rem 2.25rem;
  font-size: var(--text-sm);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: var(--transition);
}

.nav--scrolled {
  background: rgba(245, 243, 237, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
}

.logo-symbol {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.logo-wordmark {
  display: none;
}

@media (min-width: 768px) {
  .logo-wordmark {
    display: inline;
  }
}

.nav__links {
  display: none;
  gap: var(--space-lg);
}

.nav__links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.nav__links a:hover,
.nav__links a:focus-visible {
  opacity: 1;
}

@media (min-width: 1024px) {
  .nav__links {
    display: flex;
  }
}

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

.nav__status {
  display: none;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--soft-silver);
}

@media (min-width: 768px) {
  .nav__status {
    display: flex;
  }
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.nav__cta {
  display: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border: var(--border);
  transition: var(--transition);
}

.nav__cta:hover {
  background: var(--ink);
  color: var(--warm-white);
}

@media (min-width: 768px) {
  .nav__cta {
    display: inline-flex;
  }
}

.nav__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: none;
  border: var(--border);
  cursor: pointer;
  padding: 8px;
}

.nav__menu-btn span {
  display: block;
  height: 1px;
  background: var(--ink);
  transition: var(--transition);
}

.nav__menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav__menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .nav__menu-btn {
    display: none;
  }
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--ink);
  color: var(--warm-white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.nav-overlay__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.nav-overlay__links a {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
}

.nav-overlay__cta {
  margin-top: var(--space-md);
  padding: 1rem 2rem;
  border: 1px solid var(--warm-white);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: var(--nav-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(160deg, var(--warm-white) 0%, rgba(245, 243, 237, 0.92) 50%, rgba(255, 90, 79, 0.04) 100%);
}

.hero__deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__grid-bg {
  position: absolute;
  inset: -10%;
  width: 120%;
  height: 120%;
  opacity: 0.7;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: orb-float 12s ease-in-out infinite;
}

.hero__orb--1 {
  width: 280px;
  height: 280px;
  top: 10%;
  right: 5%;
  background: rgba(255, 90, 79, 0.12);
}

.hero__orb--2 {
  width: 200px;
  height: 200px;
  bottom: 15%;
  left: 10%;
  background: rgba(199, 243, 107, 0.1);
  animation-delay: -4s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-xl);
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

.hero__headline {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
}

.hero__line {
  display: block;
  font-size: var(--text-2xl);
}

.hero__line--accent {
  font-size: var(--text-hero);
  color: var(--coral);
  line-height: 0.85;
}

.hero__copy {
  font-size: var(--text-lg);
  max-width: 480px;
  margin-bottom: var(--space-lg);
  color: var(--graphite);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero__tech {
  color: var(--soft-silver);
}

/* Philosophy Strip */
.philosophy-strip {
  border-block: var(--border);
  background: var(--ink);
  color: var(--warm-white);
  padding-block: var(--space-md);
}

.philosophy-strip__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.philosophy-strip__icon {
  color: var(--coral);
  flex-shrink: 0;
}

.philosophy-strip__text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  flex: 1;
}

.philosophy-strip__text strong {
  color: var(--lime);
  font-weight: 500;
}

.philosophy-strip__line {
  display: none;
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--coral), transparent);
  min-width: 80px;
}

@media (min-width: 768px) {
  .philosophy-strip__line {
    display: block;
  }
}

/* Logic Engine */
.logic-engine {
  position: relative;
  padding: var(--space-lg);
  border: var(--border);
  background: var(--ink);
  color: var(--warm-white);
  box-shadow: 0 24px 64px rgba(11, 13, 15, 0.2);
}

.logic-engine::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient-accent);
}

.logic-engine__title {
  margin-bottom: var(--space-md);
  color: var(--soft-silver);
}

.logic-engine__svg {
  width: 100%;
  height: auto;
}

.le-path {
  fill: none;
  stroke: var(--soft-silver);
  stroke-width: 1;
  opacity: 0.4;
}

.le-path--highlight {
  stroke: var(--coral);
  opacity: 0.8;
}

.le-path--growth {
  stroke: var(--lime);
  opacity: 1;
  stroke-width: 1.5;
}

.le-node circle {
  fill: var(--warm-white);
  transition: var(--transition);
}

.le-node text {
  font-family: var(--font-mono);
  font-size: 8px;
  fill: var(--soft-silver);
  letter-spacing: 0.05em;
}

.le-node--growth circle {
  fill: var(--lime);
  animation: node-pulse 3s ease infinite;
}

@keyframes node-pulse {
  0%, 100% { r: 10; }
  50% { r: 14; }
}

.le-signal {
  fill: var(--lime);
}

.le-node.is-active circle {
  fill: var(--coral);
}

/* Problem */
.problem-visual {
  position: relative;
  min-height: 400px;
  margin-top: var(--space-xl);
}

.problem-fragments {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.fragment {
  position: absolute;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
  border: var(--border);
  background: var(--warm-white);
  transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.fragment[data-channel="SEO"] { top: 5%; left: 5%; }
.fragment[data-channel="PAID"] { top: 5%; right: 5%; }
.fragment[data-channel="SOCIAL"] { top: 40%; left: 0; }
.fragment[data-channel="CONTENT"] { top: 40%; right: 0; }
.fragment[data-channel="EMAIL"] { bottom: 10%; left: 10%; }
.fragment[data-channel="DATA"] { bottom: 10%; right: 10%; }

.problem-visual.is-unified .fragment {
  opacity: 0.3;
  transform: scale(0.9);
}

.problem-lines {
  width: 100%;
  max-width: 600px;
  margin-inline: auto;
  opacity: 0;
  transition: opacity 1s ease 0.5s;
}

.problem-visual.is-unified .problem-lines {
  opacity: 1;
}

.problem-line {
  stroke: var(--coral);
  stroke-width: 1;
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  transition: stroke-dashoffset 1.5s ease 0.8s;
}

.problem-visual.is-unified .problem-line {
  stroke-dashoffset: 0;
}

.problem-center {
  fill: none;
  stroke: var(--coral);
  stroke-width: 2;
}

.problem-center-text {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--coral);
  letter-spacing: 0.05em;
}

.problem-unified {
  text-align: center;
  margin-top: var(--space-md);
  font-size: var(--text-lg);
  color: var(--coral);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.8s ease 1.5s;
}

.problem-visual.is-unified .problem-unified {
  opacity: 1;
  transform: translateY(0);
}

/* Strategy Pillars */
.strategy-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .strategy-pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .strategy-pillars {
    grid-template-columns: repeat(5, 1fr);
  }
}

.pillar {
  border-top: 2px solid var(--coral);
  padding-top: var(--space-md);
}

.pillar__num {
  display: block;
  font-size: var(--text-2xl);
  color: var(--coral);
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.pillar__title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.pillar__desc {
  font-size: var(--text-sm);
  color: var(--soft-silver);
}

/* Services */
.service-rows {
  margin-top: var(--space-xl);
}

.service-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: var(--border);
  cursor: default;
  transition: var(--transition);
  position: relative;
}

.service-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--gradient-accent);
  transition: width var(--transition);
}

.service-row:hover::before {
  width: 3px;
}

.service-row:first-child {
  border-top: var(--border);
}

.service-row:hover {
  padding-inline: var(--space-md);
  background: rgba(255, 90, 79, 0.04);
  border-color: rgba(255, 90, 79, 0.2);
}

.service-row__num {
  font-size: var(--text-xl);
  color: var(--soft-silver);
  transition: color var(--transition);
}

.service-row:hover .service-row__num {
  color: var(--coral);
}

.service-row__content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.service-row__content p {
  font-size: var(--text-sm);
  color: var(--graphite);
  max-width: 500px;
}

.service-row__viz {
  width: 80px;
  opacity: 0.4;
  transition: opacity var(--transition);
}

.service-row:hover .service-row__viz {
  opacity: 1;
}

.mini-chart {
  fill: none;
  stroke: var(--coral);
  stroke-width: 2;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  transition: stroke-dashoffset 1s ease;
}

.service-row:hover .mini-chart {
  stroke-dashoffset: 0;
}

.mini-block, .mini-bar {
  fill: none;
  stroke: var(--coral);
  stroke-width: 1.5;
}

.mini-node {
  fill: none;
  stroke: var(--coral);
  stroke-width: 1.5;
}

.mini-funnel {
  fill: none;
  stroke: var(--coral);
  stroke-width: 1.5;
}

.service-row__arrow {
  font-size: var(--text-xl);
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition);
  color: var(--coral);
}

.service-row:hover .service-row__arrow {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 640px) {
  .service-row {
    grid-template-columns: auto 1fr;
  }
  .service-row__viz,
  .service-row__arrow {
    display: none;
  }
}

/* Funnel */
.funnel {
  position: relative;
  max-width: 500px;
  margin-inline: auto;
  margin-top: var(--space-xl);
}

.funnel__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
}

.funnel-shape {
  fill: none;
  stroke: var(--coral);
  stroke-width: 1;
}

.funnel-loop {
  fill: none;
  stroke: var(--lime);
  stroke-width: 1;
  stroke-dasharray: 8 4;
}

.funnel__stages {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.funnel-stage {
  text-align: center;
  padding: var(--space-md);
  border: var(--border);
  background: var(--warm-white);
  transition: var(--transition);
}

.funnel-stage:hover {
  border-color: var(--coral);
  transform: scale(1.02);
}

.funnel-stage h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.funnel-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.funnel-tags span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--soft-silver);
  color: var(--graphite);
}

.funnel-loop-label {
  margin-top: var(--space-xs);
  color: var(--lime);
  font-size: 0.65rem;
}

.funnel-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.funnel-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--coral);
  border-radius: 50%;
  animation: funnel-flow 4s linear infinite;
}

@keyframes funnel-flow {
  0% { top: 5%; left: 50%; opacity: 0; }
  10% { opacity: 1; }
  25% { top: 25%; left: 50%; }
  50% { top: 50%; left: 50%; }
  75% { top: 75%; left: 50%; }
  90% { opacity: 1; }
  100% { top: 95%; left: 50%; opacity: 0; }
}

/* Split Section */
.split-section {
  padding: 0;
  overflow: hidden;
}

.split-section__visual {
  position: relative;
  height: 300px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.split-panel {
  position: relative;
  overflow: hidden;
}

.split-panel--creative {
  background: var(--graphite);
}

.split-panel--data {
  background: var(--ink);
}

.creative-shapes .shape {
  position: absolute;
  border: 1px solid var(--coral);
  animation: float-shape 6s ease-in-out infinite;
}

.shape--1 {
  width: 60px;
  height: 60px;
  top: 20%;
  left: 20%;
  border-radius: 50%;
}

.shape--2 {
  width: 80px;
  height: 40px;
  top: 50%;
  left: 40%;
  animation-delay: 1s;
}

.shape--3 {
  width: 40px;
  height: 80px;
  top: 30%;
  right: 20%;
  animation-delay: 2s;
}

@keyframes float-shape {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(5deg); }
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding: var(--space-lg);
  align-content: center;
  height: 100%;
}

.data-dot {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(199, 243, 107, 0.4);
  border-radius: 50%;
  justify-self: center;
  animation: data-flicker 3s ease infinite;
}

.data-dot:nth-child(2) { animation-delay: 0.5s; }
.data-dot:nth-child(3) { animation-delay: 1s; }
.data-dot:nth-child(4) { animation-delay: 1.5s; }
.data-dot:nth-child(5) { animation-delay: 2s; }
.data-dot:nth-child(6) { animation-delay: 2.5s; }

@keyframes data-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.split-converge {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 0;
  background: var(--gradient-accent);
  transition: height 1s ease;
}

.split-section__visual.is-visible .split-converge {
  height: 100%;
}

.split-section__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-xl);
  text-align: center;
}

@media (min-width: 768px) {
  .split-section__content {
    grid-template-columns: 1fr 1.5fr 1fr;
    text-align: left;
    align-items: start;
  }
  .split-col--right {
    text-align: right;
  }
}

.split-col h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1;
}

.split-sub {
  font-size: var(--text-lg);
  color: var(--soft-silver);
  margin-top: var(--space-xs);
}

.split-brand {
  display: block;
  color: var(--coral);
  margin-bottom: var(--space-md);
}

.split-center p {
  color: var(--soft-silver);
  max-width: 400px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .split-center p {
    margin-inline: 0;
  }
}

/* AI Lab */
.ai-interface {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .ai-interface {
    grid-template-columns: 1fr auto 1fr;
  }
}

.ai-col h3 {
  margin-bottom: var(--space-md);
  color: var(--coral);
}

.ai-col ul {
  list-style: none;
}

.ai-col li {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: 0.5rem 0;
  border-bottom: var(--border);
  color: var(--graphite);
}

.ai-engine__box {
  position: relative;
  padding: var(--space-lg) var(--space-xl);
  border: 2px solid var(--ink);
  text-align: center;
  min-width: 180px;
}

.ai-engine__pulse {
  position: absolute;
  inset: -4px;
  border: 1px solid var(--lime);
  opacity: 0;
  animation: engine-pulse 2s ease infinite;
}

@keyframes engine-pulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.05); }
}

/* Case Studies */
.case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

@media (max-width: 767px) {
  .case-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: var(--space-md);
    padding-bottom: var(--space-sm);
    scrollbar-width: none;
  }

  .case-grid::-webkit-scrollbar {
    display: none;
  }

  .case-card {
    flex: 0 0 min(85vw, 340px);
    scroll-snap-align: start;
  }
}

@media (min-width: 768px) {
  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-card {
  border: var(--border);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.case-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.case-card:hover::after {
  transform: scaleX(1);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(11, 13, 15, 0.08);
}

.case-card__visual {
  height: 200px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.case-card__visual--nova {
  background: linear-gradient(135deg, var(--ink) 60%, var(--coral));
}

.case-card__visual--arc {
  background: linear-gradient(225deg, var(--graphite), var(--ink));
  background-image:
    linear-gradient(rgba(199, 243, 107, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 243, 107, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
}

.case-card__visual--kinetiq {
  background: var(--warm-white);
  background-image: radial-gradient(circle at 30% 70%, var(--coral) 0%, transparent 50%),
                    radial-gradient(circle at 70% 30%, var(--lime) 0%, transparent 40%);
}

.case-card__tag {
  color: var(--warm-white);
  background: rgba(0,0,0,0.5);
  padding: 0.25rem 0.5rem;
}

.case-card__visual--kinetiq .case-card__tag {
  color: var(--ink);
  background: rgba(255,255,255,0.8);
}

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

.case-card__body h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
}

.case-card__type {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--soft-silver);
  margin-bottom: var(--space-md);
}

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

.case-details div {
  margin-bottom: var(--space-sm);
}

.case-details dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--coral);
  margin-bottom: 0.15rem;
}

.case-details dd {
  font-size: var(--text-sm);
  color: var(--graphite);
}

.case-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--coral);
  transition: opacity var(--transition);
}

.case-link:hover {
  opacity: 0.7;
}

/* Growth Map */
.map {
  position: relative;
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map__ring {
  position: absolute;
  width: min(500px, 90vw);
  height: min(500px, 90vw);
  border: 1px solid rgba(169, 175, 178, 0.2);
  border-radius: 50%;
  animation: ring-rotate 30s linear infinite;
}

@keyframes ring-rotate {
  to { transform: rotate(360deg); }
}

.map__labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.map-label {
  position: absolute;
  top: 50%;
  left: 50%;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--soft-silver);
  transform: rotate(var(--angle)) translateY(-240px) rotate(calc(-1 * var(--angle)));
}

@media (max-width: 768px) {
  .map-label { display: none; }
}

.map__path {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.map-node {
  position: relative;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(169, 175, 178, 0.3);
  cursor: default;
  transition: var(--transition);
}

.map-node:hover {
  border-color: var(--coral);
  background: rgba(255, 90, 79, 0.1);
}

.map-node--highlight {
  border-color: var(--lime);
}

.map-node--highlight:hover {
  border-color: var(--lime);
  background: rgba(199, 243, 107, 0.1);
}

.map-node::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 200px;
  padding: 0.5rem;
  background: var(--graphite);
  font-size: var(--text-xs);
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--font-body);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  pointer-events: none;
}

.map-node:hover::after {
  opacity: 1;
  visibility: visible;
}

.map-arrow {
  color: var(--soft-silver);
  font-size: var(--text-sm);
}

@media (max-width: 640px) {
  .map-arrow { display: none; }
  .map__path {
    flex-direction: column;
  }
}

/* Insights */
.journal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .journal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.journal-item {
  padding: var(--space-lg);
  border-top: 2px solid var(--ink);
  transition: var(--transition);
}

.journal-item:hover {
  background: rgba(11, 13, 15, 0.03);
  padding-inline: calc(var(--space-lg) + 0.5rem);
}

.journal-item--featured {
  grid-column: 1 / -1;
  border-top-width: 4px;
  border-top-color: var(--coral);
}

.journal-item--featured h3 {
  font-size: var(--text-xl);
}

.journal-meta {
  display: block;
  color: var(--soft-silver);
  margin-bottom: var(--space-sm);
}

.journal-item h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.journal-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--coral);
}

/* Why */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.why-block {
  padding: var(--space-lg);
  border-left: 3px solid var(--coral);
}

.why-block h3 {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-sm);
}

.why-block p {
  font-size: var(--text-sm);
  color: var(--graphite);
}

/* Process */
.process-track {
  margin-top: var(--space-xl);
  position: relative;
}

.process-path {
  width: 100%;
  height: 60px;
  margin-bottom: var(--space-lg);
}

.process-line {
  fill: none;
  stroke: var(--soft-silver);
  stroke-width: 1;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  transition: stroke-dashoffset 2s ease;
}

.process-track.is-visible .process-line {
  stroke-dashoffset: 0;
}

.process-dot {
  fill: var(--warm-white);
  stroke: var(--coral);
  stroke-width: 2;
}

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

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(5, 1fr);
  }
}

.process-step__num {
  display: block;
  font-size: var(--text-xl);
  color: var(--coral);
  margin-bottom: var(--space-xs);
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.process-step p {
  font-size: var(--text-sm);
  color: var(--soft-silver);
}

.process-next {
  text-align: right;
  margin-top: var(--space-lg);
  font-size: var(--text-lg);
  color: var(--lime);
}

/* A/B Testing */
.ab-test {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .ab-test {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
  }
}

.ab-panel {
  padding: var(--space-lg);
  border: var(--border);
  position: relative;
}

.ab-panel--experiment {
  border-color: var(--coral);
}

.ab-panel h3 {
  color: var(--soft-silver);
  margin-bottom: var(--space-xs);
}

.ab-version {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--soft-silver);
  margin-bottom: var(--space-md);
}

.ab-headline {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.ab-cta {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: var(--border);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.ab-cta--winner {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--warm-white);
}

.ab-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ab-vs {
  padding: var(--space-sm);
  border: var(--border);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ab-winner {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: var(--lime);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.ab-test.is-resolved .ab-winner {
  opacity: 1;
}

.ab-test.is-resolved .ab-panel--control {
  opacity: 0.5;
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.testimonial {
  padding: var(--space-xl);
  border: 1px solid rgba(169, 175, 178, 0.2);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-family: var(--font-heading);
  font-size: 4rem;
  line-height: 1;
  color: var(--coral);
  opacity: 0.25;
}

.testimonial p {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.testimonial cite {
  color: var(--soft-silver);
  font-style: normal;
}

.demo-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 0.6rem;
  color: var(--soft-silver);
  border: 1px solid rgba(169, 175, 178, 0.3);
  padding: 0.2rem 0.5rem;
}

/* Contact */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (min-width: 1024px) {
  .contact__grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 520px;
}

.form-group label,
.form-group legend {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
  color: var(--soft-silver);
}

.form-group input[type="text"],
.form-group input[type="email"] {
  width: 100%;
  padding: 0.875rem 1rem;
  border: var(--border);
  background: transparent;
  transition: border-color var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--coral);
}

.form-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.form-options label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: normal;
  text-transform: none;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border: var(--border);
  transition: var(--transition);
}

.form-options label:has(input:checked) {
  border-color: var(--coral);
  background: rgba(255, 90, 79, 0.05);
}

.form-options input {
  accent-color: var(--coral);
}

.contact-engine {
  padding: var(--space-xl);
  border: var(--border);
  background: var(--ink);
  color: var(--warm-white);
  text-align: center;
}

.contact-engine__svg {
  margin-top: var(--space-md);
  margin-inline: auto;
}

/* Final CTA */
.final-cta {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: var(--warm-white);
  overflow: hidden;
}

.final-cta__symbol {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.final-cta__symbol svg {
  width: min(400px, 80vw);
  height: auto;
  animation: symbol-drift 8s ease-in-out infinite;
}

@keyframes symbol-drift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.05) rotate(2deg); }
}

.final-cta__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: var(--space-2xl);
}

.final-cta__headline {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-3xl);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
}

.final-cta__headline span {
  display: block;
}

.final-cta__copy {
  font-size: var(--text-lg);
  color: var(--soft-silver);
  margin-bottom: var(--space-xl);
}

.final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.final-cta .btn--secondary {
  border-color: var(--warm-white);
  color: var(--warm-white);
}

.final-cta .btn--secondary:hover {
  background: var(--warm-white);
  color: var(--ink);
}

/* Footer */
.footer {
  background: var(--graphite);
  color: var(--warm-white);
  padding-block: var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.logo-symbol--footer {
  width: 28px;
  height: 28px;
}

.footer__tagline {
  color: var(--soft-silver);
  font-size: var(--text-sm);
}

.footer__col h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-md);
  color: var(--soft-silver);
}

.footer__col ul {
  list-style: none;
}

.footer__col li {
  margin-bottom: var(--space-xs);
}

.footer__col a {
  font-size: var(--text-sm);
  color: var(--warm-white);
  opacity: 0.8;
  transition: opacity var(--transition);
}

.footer__col a:hover {
  opacity: 1;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(169, 175, 178, 0.2);
  font-size: var(--text-sm);
  color: var(--soft-silver);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__tech {
  color: var(--soft-silver);
}

/* Cursor glow */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 90, 79, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
}

body.has-cursor-glow .cursor-glow {
  opacity: 1;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

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

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .cursor-glow {
    display: none;
  }
}