:root {
  --white: #ffffff;
  --soft-white: #f8f7f3;
  --pearl: #eeece6;
  --ink: #101010;
  --muted: #6b6963;
  --line: rgba(16, 16, 16, 0.12);
  --shadow: rgba(16, 16, 16, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--soft-white);
  color: var(--ink);
  font-family: "Montserrat", Arial, sans-serif;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 22px clamp(18px, 4vw, 56px);
  background: rgba(248, 247, 243, 0.78);
  border-bottom: 1px solid rgba(16, 16, 16, 0.08);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav,
.header-action {
  display: flex;
  align-items: center;
}

.brand {
  gap: 5px;
  font-size: 1.02rem;
  letter-spacing: 0;
}

.brand-para {
  font-weight: 300;
}

.brand-ai {
  font-weight: 800;
}

.site-nav {
  gap: clamp(18px, 3vw, 38px);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.site-nav a,
.header-action {
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.site-nav a:hover {
  color: var(--ink);
}

.header-action {
  justify-self: end;
  width: fit-content;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.header-action:hover {
  background: var(--ink);
  color: var(--white);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(248, 247, 243, 0.96) 0%, rgba(248, 247, 243, 0.82) 32%, rgba(248, 247, 243, 0.18) 68%),
    linear-gradient(180deg, rgba(248, 247, 243, 0.42) 0%, rgba(248, 247, 243, 0.08) 48%, rgba(248, 247, 243, 0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(980px, calc(100% - 36px));
  margin: 0 auto;
  padding-top: 80px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(4.6rem, 13vw, 12.5rem);
  line-height: 0.9;
  font-weight: 800;
}

.hero-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: clamp(14px, 2vw, 26px);
}

.title-para {
  font-weight: 300;
}

.title-ai {
  position: relative;
  display: inline-block;
  font-weight: 800;
  animation: aiShadow 4.2s ease-in-out infinite;
}

@keyframes aiShadow {
  0%,
  100% {
    opacity: 1;
    transform: translateY(0);
    text-shadow:
      0 0 0 rgba(16, 16, 16, 0),
      0 0 0 rgba(255, 255, 255, 0);
  }

  50% {
    opacity: 0.94;
    transform: translateY(-0.03em);
    text-shadow:
      0 0 26px rgba(16, 16, 16, 0.24),
      0 24px 64px rgba(16, 16, 16, 0.22);
  }
}

.hero-copy {
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 34px;
  color: #34332f;
  font-size: clamp(1rem, 1.7vw, 1.32rem);
  line-height: 1.65;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
}

.button-primary {
  background: var(--ink);
  color: var(--white);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.46);
}

.button:hover {
  transform: translateY(-1px);
}

.intro-section,
.principles,
.experience,
.vision,
.faq,
.closing {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.intro-section {
  padding: 86px 0 46px;
}

.section-label {
  width: fit-content;
  margin-bottom: 26px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.intro-grid,
.experience,
.vision {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: start;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4.5vw, 4.4rem);
  line-height: 1;
  font-weight: 800;
}

.intro-grid p,
.experience-copy p,
.vision p,
.closing h2 {
  color: #373630;
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  line-height: 1.8;
  font-weight: 500;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 38px 0 86px;
}

.principles article {
  min-height: 310px;
  padding: clamp(24px, 3vw, 34px);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  box-shadow: 0 24px 80px var(--shadow);
}

.article-number {
  display: block;
  margin-bottom: 72px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.12rem;
  font-weight: 800;
}

.principles p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.72;
  font-weight: 500;
}

.experience {
  padding: 88px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.experience-copy h2 {
  margin-bottom: 24px;
}

.capability-list {
  border-top: 1px solid var(--ink);
}

.capability-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.capability-row span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.capability-row p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
  font-weight: 700;
}

.vision {
  padding: 92px 0;
}

.vision h2 {
  max-width: 700px;
}

.faq {
  padding: 18px 0 92px;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: start;
}

.faq h2 {
  max-width: 520px;
}

.faq-list {
  border-top: 1px solid var(--ink);
}

.faq-list article {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.faq-list h3 {
  margin-bottom: 10px;
}

.faq-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.75;
  font-weight: 500;
}

.closing {
  min-height: 54vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 92px clamp(22px, 6vw, 74px);
  margin-bottom: 38px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 24px 90px var(--shadow);
}

.closing h2 {
  max-width: 780px;
  margin-bottom: 32px;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 5.2rem);
  line-height: 1;
}

.site-footer {
  width: min(1180px, calc(100% - 36px));
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto;
  padding: 0 0 34px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.site-footer span {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 850px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: 86vh;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(248, 247, 243, 0.94) 0%, rgba(248, 247, 243, 0.72) 46%, rgba(248, 247, 243, 0.28) 100%),
      linear-gradient(90deg, rgba(248, 247, 243, 0.88), rgba(248, 247, 243, 0.18));
  }

  .hero-content {
    width: min(100% - 36px, 760px);
    padding-top: 108px;
  }

  .intro-grid,
  .experience,
  .vision,
  .faq-grid {
    grid-template-columns: 1fr;
  }

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

  .principles article {
    min-height: auto;
  }

  .article-number {
    margin-bottom: 42px;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 16px;
  }

  .header-action {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.7rem;
  }

  h1 {
    font-size: clamp(3.1rem, 18vw, 5.4rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    min-height: 50px;
  }

  .intro-section {
    padding-top: 68px;
  }

  .experience,
  .vision,
  .faq,
  .closing {
    padding-top: 68px;
    padding-bottom: 68px;
  }

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