@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@200;300;400;500;600;700;800&family=Space+Grotesk:wght@300;400;500;600;700&display=swap");

:root {
  --bg: #06080d;
  --surface: rgba(24, 24, 27, 0.55);
  --surface-strong: rgba(24, 24, 27, 0.85);
  --ink: #f5f7fb;
  --muted: #9aa4b2;
  --line: rgba(63, 63, 70, 0.75);
  --white: #ffffff;
  --sky: #38bdf8;
  --teal: #2dd4bf;
  --emerald: #34d399;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  scroll-behavior: smooth;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.02em;
}

p,
ul {
  margin: 0;
}

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

.container {
  width: min(1280px, 100% - 2rem);
  margin-inline: auto;
}

@media (min-width: 640px) {
  .container {
    width: min(1280px, 100% - 3rem);
  }
}

@media (min-width: 1024px) {
  .container {
    width: min(1280px, 100% - 4rem);
  }
}

.background-layer {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, #80808012 1px, transparent 1px),
    linear-gradient(to bottom, #80808012 1px, transparent 1px);
  background-size: 24px 24px;
}

.glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(120px);
}

.glow-sky {
  left: -10%;
  top: -10%;
  width: 40%;
  height: 40%;
  background: rgba(14, 165, 233, 0.18);
}

.glow-teal {
  right: -10%;
  top: 20%;
  width: 32%;
  height: 50%;
  background: rgba(20, 184, 166, 0.08);
}

.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  padding: 1.5rem 0;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  border: 1px solid rgba(63, 63, 70, 0.4);
  border-radius: 1rem;
  background: rgba(9, 9, 11, 0.72);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 0.75rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  color: #09090b;
  background: linear-gradient(145deg, var(--sky), var(--teal));
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2),
    0 4px 6px -4px rgba(0, 0, 0, 0.2);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.brand-text {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.brand-text span {
  color: var(--sky);
  font-weight: 400;
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.desktop-link {
  display: none;
  color: #a1a1aa;
  transition: color 0.2s ease;
}

.desktop-link:hover {
  color: var(--white);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-nav {
  padding: 0.6rem 1.05rem;
  background: var(--white);
  color: #09090b;
  font-size: 0.86rem;
  font-weight: 650;
}

.btn-nav:hover {
  background: #e6f7ff;
}

main {
  position: relative;
  z-index: 1;
}

.hero {
  padding-top: 11.5rem;
  padding-bottom: 4.8rem;
  max-width: 74rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(24, 24, 27, 0.55);
  padding: 0.45rem 0.8rem;
  margin-bottom: 1.35rem;
  color: #d4d4d8;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 1.2rem;
  font-size: clamp(2.25rem, 6.8vw, 5.7rem);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.hero h1 span {
  display: block;
  background: linear-gradient(to right, var(--sky), #5eead4, var(--emerald));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy {
  max-width: 50rem;
  margin-bottom: 2rem;
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
  line-height: 1.65;
  font-weight: 300;
  color: #c4c8d0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.6rem;
}

.btn-primary,
.btn-secondary {
  padding: 0.9rem 1.6rem;
  font-size: 0.97rem;
  font-weight: 600;
}

.btn-primary {
  background: #fafafa;
  color: #09090b;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.015);
  background: var(--white);
}

.btn-secondary {
  border: 1px solid #3f3f46;
  color: var(--white);
  background: transparent;
}

.btn-secondary:hover {
  background: rgba(39, 39, 42, 0.5);
}

.metric-grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(24, 24, 27, 0.42);
  padding: 0.75rem 1rem;
  color: #e4e4e7;
  font-size: 0.88rem;
}

.section-block {
  padding: 4.4rem 0;
}

.section-head {
  margin-bottom: 2rem;
}

.section-head h2 {
  margin-bottom: 0.45rem;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 700;
}

.section-head p {
  max-width: 46rem;
  font-size: 1rem;
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.gpt-card,
.experience-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--surface);
  padding: 1.4rem;
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.gpt-card::before,
.experience-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(
    120deg,
    rgba(56, 189, 248, 0.08),
    rgba(45, 212, 191, 0.02),
    rgba(52, 211, 153, 0.08)
  );
  opacity: 0;
  transition: opacity 0.25s ease;
}

.gpt-card:hover::before,
.experience-card:hover::before {
  opacity: 1;
}

.gpt-card h3,
.experience-card h3 {
  margin-bottom: 0.55rem;
  font-size: 1.23rem;
  color: var(--white);
}

.gpt-card p {
  margin-bottom: 1rem;
  color: #a1a1aa;
  line-height: 1.55;
  font-size: 0.96rem;
}

.gpt-card a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  transition: color 0.2s ease;
}

.gpt-card a::after {
  content: "->";
  transition: transform 0.2s ease;
}

.gpt-card a:hover {
  color: var(--sky);
}

.gpt-card a:hover::after {
  transform: translateX(3px);
}

.experience-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.experience-card ul {
  padding-left: 1rem;
  color: #d4d4d8;
}

.experience-card li {
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.experience-card li:last-child {
  margin-bottom: 0;
}

.cta-wrap {
  padding-top: 1.2rem;
  padding-bottom: 5.5rem;
}

.cta-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background: linear-gradient(to bottom right, #18181b, #09090b);
  text-align: center;
  padding: clamp(2rem, 4vw, 4rem) clamp(1.1rem, 4vw, 4rem);
}

.cta-card::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: min(46rem, 90%);
  height: 100%;
  transform: translateX(-50%);
  background: rgba(14, 165, 233, 0.09);
  filter: blur(90px);
  pointer-events: none;
}

.cta-card h2,
.cta-card p,
.cta-card .btn {
  position: relative;
  z-index: 1;
}

.cta-card h2 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.9rem, 4.5vw, 3.6rem);
}

.cta-card p {
  max-width: 40rem;
  margin: 0 auto 1.4rem;
  color: var(--muted);
  line-height: 1.6;
}

.footer {
  padding-bottom: 2.2rem;
}

.footer-shell {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
  color: #71717a;
  font-size: 0.86rem;
}

.footer-shell a {
  color: #d4d4d8;
}

.footer-shell a:hover {
  color: var(--white);
}

@media (min-width: 700px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .nav-actions {
    gap: 1.1rem;
  }

  .desktop-link {
    display: inline-flex;
  }

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

  .experience-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-shell {
    flex-direction: row;
  }
}

@media (min-width: 1100px) {
  .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}