:root {
  --bg: #0b0d10;
  --bg-soft: #111317;
  --panel: #15171b;
  --panel-2: #1a1d22;
  --copy: #f1ece7;
  --muted: rgba(241, 236, 231, 0.58);
  --line: rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);
  --primary: #16d7f0;
  --primary-deep: #0c2b82;
  --shadow: 0 24px 72px rgba(0, 0, 0, 0.3);
  --container: min(1360px, calc(100vw - 32px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--copy);
  font-family: "Manrope", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 12% 10%, rgba(22, 215, 240, 0.08), transparent 20%),
    linear-gradient(180deg, #0d0f13 0%, #0b0d10 44%, #0a0c0f 100%);
  content: "";
}

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

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(11, 13, 16, 0.82);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  width: var(--container);
  min-height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__logo,
.footer-brand__logo {
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.brand__name,
.footer-brand__title {
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a,
.mobile-menu a {
  position: relative;
  font-family: "Inter", sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(241, 236, 231, 0.72);
  transition: color 180ms ease;
}

.site-nav a::after,
.mobile-menu a::after {
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  content: "";
}

.site-nav a:hover,
.site-nav a.is-active,
.mobile-menu a:hover,
.mobile-menu a.is-active {
  color: var(--copy);
}

.site-nav a:hover::after,
.site-nav a.is-active::after,
.mobile-menu a:hover::after,
.mobile-menu a.is-active::after {
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.header-cta,
.button--primary {
  background: var(--primary);
  color: #021d22;
  box-shadow: 0 12px 34px rgba(22, 215, 240, 0.18);
}

.header-cta:hover,
.button--primary:hover,
.button--dark:hover,
.button--ghost:hover {
  transform: translateY(-2px);
}

.button--ghost {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--copy);
}

.button--dark {
  background: var(--primary-deep);
  color: var(--copy);
}

.mobile-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--copy);
  padding: 10px 14px;
  font-family: "Inter", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mobile-menu {
  display: none;
  width: var(--container);
  margin: 0 auto;
  padding: 0 0 16px;
}

.mobile-menu.is-open {
  display: grid;
  gap: 14px;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: 56px 0 40px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  opacity: 0.34;
}

.hero--home .hero__bg {
  background-image:
    linear-gradient(90deg, rgba(11, 13, 16, 0.98) 0%, rgba(11, 13, 16, 0.82) 44%, rgba(11, 13, 16, 0.38) 100%),
    url("assets/hero-home.svg");
}

.hero--ai .hero__bg {
  background-image:
    linear-gradient(90deg, rgba(11, 13, 16, 0.97) 0%, rgba(11, 13, 16, 0.84) 46%, rgba(11, 13, 16, 0.42) 100%),
    url("assets/hero-ai.svg");
  opacity: 0.54;
}

.hero--global .hero__bg {
  background-image:
    linear-gradient(90deg, rgba(11, 13, 16, 0.98) 0%, rgba(11, 13, 16, 0.9) 34%, rgba(11, 13, 16, 0.58) 56%, rgba(11, 13, 16, 0.18) 100%),
    url("assets/hero-global.svg");
  opacity: 0.82;
  background-size: cover, min(1050px, 86vw);
  background-position: center, 78% 48%;
}

.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  min-height: 100%;
}

.hero__copy {
  max-width: 760px;
}

.hero__copy--narrow {
  max-width: 680px;
}

.hero__leadline,
.section-mark {
  width: 46px;
  height: 3px;
  background: var(--primary);
}

.hero__eyebrow,
.section-label,
.info-card__eyebrow {
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
}

.hero__eyebrow {
  margin-bottom: 24px;
}

.hero__title,
.section-title,
.cta-band__inner h2,
.cta-panel__copy h2,
.final-cta h2 {
  margin: 0;
  font-family: "Inter", sans-serif;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.hero__title {
  font-size: clamp(3.25rem, 9vw, 5.8rem);
  max-width: 9ch;
}

.hero__title span,
.philosophy-quote span,
.cta-panel__copy h2 span,
.final-cta h2 span {
  color: var(--primary);
}

.hero__text,
.section-subtitle,
.method-card p,
.validation-card p,
.stats-panel p,
.footer-brand p,
.footer-col span,
.cta-panel__copy p,
.final-cta p,
.info-card p,
.service-row p {
  color: var(--muted);
}

.hero__text {
  max-width: 32ch;
  margin: 24px 0 0;
  font-size: 1.3rem;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 42px;
}

.hero__caption {
  color: rgba(241, 236, 231, 0.38);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero__line {
  position: absolute;
  right: max(22px, calc((100vw - var(--container)) / 2 + 16px));
  bottom: 0;
  width: 1px;
  height: 138px;
  background: linear-gradient(180deg, transparent 0%, var(--primary) 100%);
}

.section,
.cta-band,
.site-footer {
  padding: 86px 0;
}

.section--dark {
  background: #121212;
}

.section--gradient {
  background:
    radial-gradient(circle at 20% 20%, rgba(22, 215, 240, 0.06), transparent 28%),
    #121212;
}

.section-heading {
  margin-bottom: 42px;
}

.section-heading--center {
  text-align: center;
}

.section-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
}

.section-title--left {
  line-height: 1.05;
}

.section-subtitle {
  margin: 12px 0 0;
}

.pain-layout {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr 1.3fr;
  align-items: start;
}

.pain-layout__grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.question-card,
.method-card,
.validation-card,
.stats-panel,
.service-row,
.cta-panel,
.footer-subscribe {
  background: rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow);
}

.info-card {
  min-height: 182px;
  padding: 26px;
}

.info-card--left {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.info-card p {
  margin: 16px 0 0;
  font-size: 1.25rem;
  line-height: 1.7;
}

.insight-banner {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-top: 42px;
  padding: 24px 28px;
  background: #353534;
}

.insight-banner strong {
  color: var(--primary);
}

.insight-banner__mark {
  width: 42px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  position: relative;
}

.insight-banner__mark::before,
.insight-banner__mark::after {
  position: absolute;
  left: 50%;
  width: 2px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
  content: "";
  transform: translateX(-50%);
}

.insight-banner__mark::before {
  top: -10px;
}

.insight-banner__mark::after {
  bottom: -10px;
}

.question-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--line-soft);
}

.question-card {
  min-height: 176px;
  padding: 26px;
  background: var(--panel);
}

.question-card__index,
.method-card__index,
.validation-card span,
.service-row__index {
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.12);
}

.question-card__index {
  font-size: 2rem;
}

.question-card h3,
.service-row h3,
.method-card h3,
.validation-card h3,
.stats-panel h3,
.principle h3,
.footer-col h3 {
  margin: 18px 0 0;
  font-size: 1.1rem;
}

.question-card p {
  margin: 12px 0 0;
  color: rgba(241, 236, 231, 0.42);
  font-size: 0.86rem;
}

.service-list {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
}

.service-row {
  display: grid;
  align-items: center;
  gap: 24px;
  grid-template-columns: 72px 1fr 1.4fr;
  padding: 26px 24px;
  background: #131313;
}

.service-row__index {
  font-size: 1.35rem;
  color: var(--primary);
}

.service-row p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
}

.philosophy-quote {
  max-width: 960px;
  margin: 0;
  font-family: "Inter", sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.principles {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 54px;
}

.principle__line {
  width: 32px;
  height: 2px;
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.16);
}

.principle__line--active {
  background: var(--primary);
}

.cta-band {
  background: var(--primary);
  color: #021d22;
}

.cta-band__inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.cta-band__inner h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
}

.cta-band__inner p {
  margin: 18px 0 0;
  font-size: 0.95rem;
  font-style: italic;
}

.methodology-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  background: var(--line-soft);
}

.methodology-grid__intro,
.method-card {
  background: #131313;
}

.methodology-grid__intro {
  grid-column: span 4;
  min-height: 320px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.methodology-grid__intro h2 {
  margin: 12px 0 0;
  font-family: "Inter", sans-serif;
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.methodology-grid__icon {
  width: 34px;
  height: 34px;
  border: 2px solid var(--primary);
  border-radius: 999px;
  position: relative;
}

.methodology-grid__icon::before,
.methodology-grid__icon::after {
  position: absolute;
  left: 50%;
  width: 2px;
  background: var(--primary);
  content: "";
  transform: translateX(-50%);
}

.methodology-grid__icon::before {
  top: -12px;
  height: 14px;
}

.methodology-grid__icon::after {
  bottom: -12px;
  height: 14px;
}

.section-label {
  letter-spacing: 0.18em;
}

.method-card {
  grid-column: span 4;
  min-height: 320px;
  padding: 36px;
}

.method-card--wide {
  grid-column: span 6;
  min-height: 220px;
}

.method-card__index,
.validation-card span {
  font-size: 3.7rem;
}

.method-card h3,
.validation-card h3 {
  color: var(--primary);
  font-size: 1.8rem;
}

.method-card p,
.validation-card p {
  margin: 16px 0 0;
  line-height: 1.85;
}

.cta-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 54px 56px;
  background:
    linear-gradient(180deg, rgba(8, 10, 13, 0.92), rgba(14, 16, 20, 0.96)),
    rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
}

.cta-panel::after {
  position: absolute;
  right: -44px;
  top: 50%;
  width: 86px;
  height: 1px;
  background: var(--primary);
  content: "";
}

.cta-panel__copy h2 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
}

.cta-panel__copy p {
  max-width: 34ch;
  margin: 22px 0 0;
  line-height: 1.8;
}

.validation-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 34px;
}

.validation-header p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  text-align: right;
}

.validation-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--line-soft);
}

.validation-card {
  min-height: 236px;
  padding: 30px 26px;
  background: #131313;
}

.validation-card h3 {
  color: var(--copy);
}

.stats-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.stats-panel {
  padding: 34px;
}

.stats-panel--dark {
  grid-column: span 8;
  min-height: 278px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)),
    url("assets/hero-global.svg") center / cover no-repeat;
}

.stats-panel--accent {
  grid-column: span 4;
  background: var(--primary);
  color: #021d22;
}

.stats-panel--compact {
  grid-column: span 4;
  min-height: 200px;
  background: #2a2a2a;
}

.stats-panel--wide {
  grid-column: span 8;
  min-height: 200px;
  background: #1b1b1b;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.stats-panel--accent p,
.stats-panel--accent a {
  color: rgba(2, 29, 34, 0.78);
}

.stats-panel__numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 46px;
  margin-top: 36px;
}

.stats-panel__numbers strong {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  color: var(--primary);
}

.stats-panel__numbers span {
  display: block;
  margin-top: 4px;
  font-size: 0.88rem;
  color: rgba(241, 236, 231, 0.72);
}

.stats-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stats-tags span {
  padding: 8px 10px;
  border: 1px solid rgba(22, 215, 240, 0.28);
  color: var(--primary);
  font-family: "Inter", sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.final-cta {
  text-align: center;
}

.final-cta__line {
  width: 1px;
  height: 72px;
  margin: 0 auto 30px;
  background: linear-gradient(180deg, transparent, var(--primary), transparent);
}

.final-cta h2 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
}

.final-cta p {
  max-width: 36ch;
  margin: 20px auto 0;
  line-height: 1.8;
}

.final-cta__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.site-footer {
  background: #0d0d0d;
  border-top: 1px solid var(--line-soft);
}

.footer-grid {
  display: grid;
  gap: 54px;
  grid-template-columns: 1.3fr 0.7fr 0.7fr;
}

.footer-grid--four {
  grid-template-columns: 1fr 0.7fr 0.7fr 0.8fr;
}

.footer-brand p {
  max-width: 32ch;
  margin: 18px 0 0;
  line-height: 1.8;
  font-size: 0.88rem;
}

.footer-col {
  display: grid;
  align-content: start;
  gap: 14px;
}

.footer-col h3 {
  margin: 0 0 10px;
  font-family: "Inter", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-col a,
.footer-col span,
.footer-bottom {
  color: rgba(241, 236, 231, 0.42);
  font-size: 0.78rem;
}

.footer-subscribe {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 46px;
  padding: 0 0 0 14px;
}

.footer-subscribe button {
  width: 40px;
  height: 40px;
  border: 0;
  background: var(--primary);
  color: #021d22;
  font-size: 1.4rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 34px;
  margin-top: 34px;
  border-top: 1px solid var(--line-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-bottom--split span:last-child {
  opacity: 0.35;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

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

@media (max-width: 1100px) {
  .site-nav,
  .header-cta {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .pain-layout,
  .cta-band__inner,
  .validation-header,
  .footer-grid,
  .footer-grid--four,
  .stats-panel--wide,
  .service-row {
    grid-template-columns: 1fr;
  }

  .pain-layout__grid,
  .question-grid,
  .validation-grid,
  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .methodology-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .methodology-grid__intro,
  .method-card,
  .method-card--wide {
    grid-column: span 1;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-panel--dark,
  .stats-panel--accent,
  .stats-panel--compact,
  .stats-panel--wide {
    grid-column: span 1;
  }

  .cta-panel {
    flex-direction: column;
    align-items: start;
  }

  .cta-panel::after {
    display: none;
  }

  .validation-header p {
    text-align: left;
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100vw - 24px, 100%);
  }

  .site-header__inner {
    min-height: 72px;
  }

  .brand__name {
    font-size: 0.74rem;
  }

  .hero {
    min-height: auto;
    padding: 44px 0 28px;
  }

  .hero__title {
    font-size: clamp(2.7rem, 16vw, 4.4rem);
  }

  .hero__text {
    font-size: 1rem;
    line-height: 1.75;
  }

  .hero__line {
    display: none;
  }

  .section,
  .cta-band,
  .site-footer {
    padding: 56px 0;
  }

  .pain-layout__grid,
  .question-grid,
  .validation-grid,
  .principles,
  .stats-grid,
  .methodology-grid {
    grid-template-columns: 1fr;
  }

  .question-card,
  .method-card,
  .methodology-grid__intro,
  .validation-card,
  .service-row,
  .stats-panel,
  .info-card,
  .cta-panel {
    min-height: auto;
  }

  .service-row {
    gap: 14px;
    padding: 24px 20px;
  }

  .cta-panel {
    padding: 32px 24px;
  }

  .cta-band__inner h2,
  .cta-panel__copy h2,
  .final-cta h2 {
    line-height: 1.04;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .header-cta,
  .button {
    transition: none;
  }
}