/* ============================================================
   Fat Tailed Solutions - Landing Page Styles
   Visual system: deep navy + cyan accent, Inter, spacious grid
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* palette - derived from pitch deck slide 1 */
  --navy-950: #0a0f1e;
  --navy-900: #0d1529;
  --navy-800: #131d38;
  --navy-700: #1a2847;
  --navy-600: #243456;
  --navy-400: #4a6fa5;
  --navy-300: #7b9cc7;
  --navy-200: #b0c8e4;
  --navy-100: #dbe8f5;
  --navy-50:  #f0f5fa;

  --cyan-500: #22b8cf;
  --cyan-400: #3dc9db;
  --cyan-300: #66d9e8;
  --cyan-200: #99e9f2;

  --white: #ffffff;
  --gray-50: #f8f9fc;
  --gray-100: #eef1f6;
  --gray-200: #d5dae5;
  --gray-300: #a8b2c4;
  --gray-600: #4a5568;
  --gray-700: #374151;
  --gray-800: #1f2937;

  --green-500: #22c55e;
  --green-100: #dcfce7;

  --red-100: #fee2e2;
  --red-400: #f87171;

  /* type scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

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

  /* layout */
  --max-width: 72rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 40px rgba(34, 184, 207, 0.15);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--text-base);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.btn--lg { padding: 0.875rem 2rem; font-size: var(--text-lg); }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--cyan-500);
  color: var(--white);
  border-color: var(--cyan-500);
}
.btn--primary:hover {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn--ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--duration-normal) var(--ease-out);
}

.nav--scrolled {
  background: rgba(10, 15, 30, 0.96);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__logo {
  border-radius: 50%;
}

.nav__wordmark {
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--white);
  letter-spacing: -0.01em;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--duration-fast) var(--ease-out);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--navy-200);
  transition: color var(--duration-fast);
  letter-spacing: 0.01em;
}
.nav__link:hover { color: var(--white); }
.nav__link:focus-visible { outline: 2px solid var(--cyan-400); outline-offset: 4px; border-radius: 2px; }

.nav__cta-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--navy-950);
  background: var(--cyan-500);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
}
.nav__cta-link:hover {
  background: var(--cyan-400);
  transform: translateY(-1px);
}
.nav__cta-link:focus-visible { outline: 2px solid var(--cyan-400); outline-offset: 2px; }

/* --- Hero --- */
.hero {
  position: relative;
  background: linear-gradient(165deg, var(--navy-950) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
  padding: calc(var(--space-32) + 4rem) 0 var(--space-24);
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(34, 184, 207, 0.06) 0%, transparent 70%),
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  opacity: 1;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cyan-300);
  background: rgba(34, 184, 207, 0.1);
  border: 1px solid rgba(34, 184, 207, 0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: 100px;
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: var(--space-6);
}

.hero__title-accent {
  color: var(--cyan-400);
}

.hero__subtitle {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--navy-200);
  max-width: 32rem;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__metric-cluster {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.metric-card--hero {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  backdrop-filter: blur(8px);
  transition: all var(--duration-normal) var(--ease-out);
}
.metric-card--hero:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(34, 184, 207, 0.2);
  transform: translateX(4px);
}

.metric-card--hero .metric-card__value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--cyan-400);
  letter-spacing: -0.02em;
}

.metric-card--hero .metric-card__label {
  display: block;
  font-size: var(--text-sm);
  color: var(--navy-300);
  margin-top: var(--space-1);
}

/* --- Sections (shared) --- */
.section {
  padding: var(--space-24) 0;
}

.section__header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto var(--space-16);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan-500);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--navy-950);
  margin-bottom: var(--space-5);
}

.section__subtitle {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--gray-600);
}

/* --- Problem Section --- */
.section--problem {
  background: var(--gray-50);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.problem-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-out);
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-200);
}

.problem-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-50);
  border-radius: var(--radius-lg);
  color: var(--navy-600);
  margin-bottom: var(--space-5);
}

.problem-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: var(--space-3);
}

.problem-card__text {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--gray-600);
}

/* --- Solution Section --- */
.workflow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.workflow__step {
  flex: 1;
  max-width: 16rem;
  text-align: center;
}

.workflow__step-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: var(--navy-950);
  color: var(--cyan-400);
  font-weight: 700;
  font-size: var(--text-lg);
}

.workflow__step-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: var(--space-2);
}

.workflow__step-text {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.6;
}

.workflow__connector {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--navy-200), var(--cyan-400));
  margin-top: 20px;
  flex-shrink: 0;
  border-radius: 1px;
}

.solution-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.pillar-card {
  background: var(--navy-950);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--navy-700);
  transition: all var(--duration-normal) var(--ease-out);
}
.pillar-card:hover {
  border-color: var(--cyan-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.pillar-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--cyan-400);
  margin-bottom: var(--space-3);
}

.pillar-card__text {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--navy-200);
}

/* --- Traction Section --- */
.section--traction {
  background: linear-gradient(165deg, var(--navy-950) 0%, var(--navy-800) 100%);
  color: var(--white);
}
.section--traction .section__title { color: var(--white); }
.section--traction .section__subtitle { color: var(--navy-200); }

.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.metric-card--large {
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-6);
}

.metric-card--large .metric-card__value {
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--cyan-400);
  letter-spacing: -0.03em;
  line-height: 1;
}

.metric-card--large .metric-card__unit {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--cyan-400);
}

.metric-card--large .metric-card__label {
  display: block;
  font-size: var(--text-sm);
  color: var(--navy-300);
  margin-top: var(--space-3);
}

.metric-card__footnote {
  display: block;
  font-size: var(--text-xs);
  color: var(--navy-400);
  margin-top: var(--space-2);
}

.traction-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.traction-proof__item {
  text-align: center;
}

.traction-proof__number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--white);
}

.traction-proof__desc {
  display: block;
  font-size: var(--text-sm);
  color: var(--navy-300);
  margin-top: var(--space-2);
}

/* --- Market Section --- */
.section--market {
  background: var(--gray-50);
}

.landscape-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-16);
}

.landscape-card {
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all var(--duration-normal) var(--ease-out);
}

.landscape-card--ours {
  background: var(--navy-950);
  border-color: var(--cyan-500);
  box-shadow: var(--shadow-glow);
}

.landscape-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: var(--space-2);
}
.landscape-card--ours .landscape-card__title { color: var(--white); }

.landscape-card__position {
  font-size: var(--text-sm);
  color: var(--gray-600);
  margin-bottom: var(--space-4);
  font-style: italic;
}
.landscape-card--ours .landscape-card__position { color: var(--cyan-300); }

.landscape-card__traits {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.landscape-card__traits li {
  font-size: var(--text-sm);
  color: var(--gray-600);
  padding-left: var(--space-5);
  position: relative;
}
.landscape-card__traits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-300);
}
.landscape-card--weak .landscape-card__traits li::before {
  background: var(--red-400);
}

.landscape-card__traits--positive li {
  color: var(--navy-100);
}
.landscape-card__traits--positive li::before {
  background: var(--green-500);
}

/* Why Now */
.why-now {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}

.why-now__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--navy-950);
  margin-bottom: var(--space-8);
  text-align: center;
}

.why-now__reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.why-now__reason h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: var(--space-2);
}

.why-now__reason p {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.7;
}

/* --- Team Section --- */
.team-expertise {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.expertise-tag {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--navy-700);
  background: var(--navy-50);
  border: 1px solid var(--navy-100);
  padding: var(--space-3) var(--space-5);
  border-radius: 100px;
  transition: all var(--duration-fast) var(--ease-out);
}
.expertise-tag:hover {
  background: var(--navy-100);
  border-color: var(--navy-200);
  transform: translateY(-1px);
}

/* --- Roadmap Section --- */
.section--roadmap {
  background: var(--white);
}

.roadmap-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.phase-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.phase-card--active {
  border-color: var(--cyan-500);
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.phase-card--active::before {
  content: 'Current';
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cyan-500);
  background: rgba(34, 184, 207, 0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
}

.phase-card__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  margin-bottom: var(--space-3);
}
.phase-card--active .phase-card__label { color: var(--cyan-500); }

.phase-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--navy-950);
  margin-bottom: var(--space-3);
}

.phase-card__text {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.7;
}

.business-model {
  text-align: center;
  padding: var(--space-8);
  background: var(--navy-950);
  border-radius: var(--radius-xl);
}

.business-model__text {
  font-size: var(--text-lg);
  color: var(--navy-200);
  line-height: 1.7;
}
.business-model__text strong {
  color: var(--cyan-400);
}

/* --- CTA Section --- */
.section--cta {
  background: linear-gradient(165deg, var(--navy-950) 0%, var(--navy-800) 100%);
  padding: var(--space-24) 0;
}

.cta-block {
  max-width: 32rem;
  margin: 0 auto;
  text-align: center;
}

.cta-block__logo {
  margin: 0 auto var(--space-6);
  border-radius: 50%;
}

.cta-block__title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.cta-block__subtitle {
  font-size: var(--text-base);
  color: var(--navy-200);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}

.cta-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.cta-form__input {
  width: 100%;
  padding: 0.875rem var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-out);
}
.cta-form__input::placeholder { color: var(--navy-400); }
.cta-form__input:focus {
  outline: none;
  border-color: var(--cyan-500);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(34, 184, 207, 0.15);
}

.cta-block__note {
  font-size: var(--text-sm);
  color: var(--navy-400);
  margin-top: var(--space-4);
}

/* Form states */
.cta-form--success .cta-form__input,
.cta-form--success .btn { display: none; }
.cta-form--success .cta-form__row { display: none; }
.cta-form--busy .btn {
  opacity: 0.8;
  pointer-events: none;
}
.cta-form__honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.cta-form__success-msg {
  display: none;
  text-align: center;
  padding: var(--space-8);
  color: var(--cyan-300);
  font-size: var(--text-lg);
  font-weight: 600;
}
.cta-form--success .cta-form__success-msg { display: block; }
.cta-form__status {
  display: none;
  margin: 0;
  min-height: 1.25rem;
  font-size: var(--text-sm);
  text-align: center;
}
.cta-form__status.is-visible {
  display: block;
}
.cta-form__status--ok {
  color: var(--cyan-300);
}
.cta-form__status--error {
  color: #ffb4b4;
}

/* --- Footer --- */
.footer {
  background: var(--navy-950);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-8) 0;
}

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

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer__logo { border-radius: 50%; }

.footer__wordmark {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--navy-200);
}

.footer__copy {
  font-size: var(--text-sm);
  color: var(--navy-400);
}

/* --- Animations --- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero { min-height: auto; padding-top: calc(var(--space-24) + 2rem); }
  .hero__metric-cluster { flex-direction: row; flex-wrap: wrap; gap: var(--space-4); }
  .metric-card--hero { flex: 1; min-width: 140px; padding: var(--space-5) var(--space-6); }

  .landscape-grid { grid-template-columns: repeat(2, 1fr); }
  .why-now__reasons { grid-template-columns: 1fr; gap: var(--space-5); }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-5); }
  .section { padding: var(--space-16) 0; }
  .section__header { margin-bottom: var(--space-10); }

  /* Nav mobile */
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-950);
    padding: 5rem var(--space-6) var(--space-6);
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    box-shadow: -8px 0 32px rgba(0,0,0,0.3);
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__link, .nav__cta-link {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-base);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav__cta-link {
    text-align: center;
    margin-top: var(--space-4);
    padding: var(--space-4);
  }

  /* Hero mobile */
  .hero { padding-top: calc(var(--space-20) + 2rem); padding-bottom: var(--space-16); }
  .hero__subtitle { font-size: var(--text-base); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .hero__metric-cluster { flex-direction: column; }
  .metric-card--hero { padding: var(--space-4) var(--space-5); }
  .metric-card--hero .metric-card__value { font-size: var(--text-2xl); }

  /* Problem grid */
  .problem-grid { grid-template-columns: 1fr; gap: var(--space-5); }

  /* Workflow */
  .workflow { flex-direction: column; align-items: center; }
  .workflow__connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(180deg, var(--navy-200), var(--cyan-400));
  }
  .workflow__step { max-width: 100%; }

  /* Solution pillars */
  .solution-pillars { grid-template-columns: 1fr; }

  /* Metrics */
  .metrics-row { grid-template-columns: 1fr; gap: var(--space-4); }
  .metric-card--large { padding: var(--space-6); }
  .metric-card--large .metric-card__value { font-size: var(--text-4xl); }

  .traction-proof { grid-template-columns: 1fr; gap: var(--space-5); }

  /* Market */
  .landscape-grid { grid-template-columns: 1fr; }

  /* Roadmap */
  .roadmap-phases { grid-template-columns: 1fr; }

  /* CTA form */
  .cta-form__row { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { flex-direction: column; gap: var(--space-4); text-align: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: var(--text-3xl); }
  .section__title { font-size: var(--text-2xl); }
  .nav__wordmark { font-size: var(--text-base); }
}

/* --- Focus visible only on keyboard --- */
:focus:not(:focus-visible) { outline: none; }

/* --- Print --- */
@media print {
  .nav, .hero__bg-grid, .btn, .cta-form { display: none; }
  .section { padding: 1rem 0; break-inside: avoid; }
}