:root {
  color-scheme: dark;

  --color-blue: #4f8cff;
  --color-blue-bright: #7fb0ff;
  --color-blue-dark: #0b1d3f;
  --color-black: #05080b;
  --color-ink: #080d10;
  --color-surface: #0d1418;
  --color-surface-elevated: #111a20;
  --color-border: #22313a;
  --color-text: #f3f7fb;
  --color-text-muted: #93a1ad;
  --color-text-soft: #c5d1dc;

  --font-main: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --shadow-card: 0 24px 80px rgb(0 0 0 / 36%);
  --radius-small: 0.45rem;
  --radius-medium: 0.75rem;
  --radius-large: 1rem;

  --container-width: 70rem;
  --section-space: clamp(4rem, 9vw, 7rem);
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  font-family: var(--font-main);
  line-height: 1.5;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgb(79 140 255 / 18%), transparent 28rem),
    linear-gradient(180deg, #071015 0%, var(--color-black) 42%, #091014 100%);
}

body::selection {
  color: var(--color-black);
  background: var(--color-blue-bright);
}

img,
svg {
  display: block;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

h1,
h2,
h3 {
  line-height: 1;
  letter-spacing: -0.05em;
}

h1 {
  max-width: 11ch;
  font-size: clamp(3.2rem, 13vw, 7.7rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2.1rem, 5vw, 4.4rem);
  font-weight: 800;
}

h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  font-weight: 700;
}

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

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

.section--muted {
  background:
    linear-gradient(180deg, rgb(255 255 255 / 2%), transparent),
    rgb(255 255 255 / 1%);
  border-block: 1px solid rgb(255 255 255 / 4%);
}

.section-title {
  position: relative;
  margin-bottom: clamp(1.6rem, 4vw, 3rem);
  padding-left: 0.9rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.section-title::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.18rem;
  content: "";
  background: var(--color-blue);
  border-radius: 999px;
}

.skip-link {
  position: fixed;
  inset: 1rem auto auto 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: var(--color-black);
  background: var(--color-text);
  border-radius: var(--radius-small);
  transform: translateY(-200%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgb(5 8 11 / 78%);
  border-bottom: 1px solid rgb(255 255 255 / 5%);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.4rem;
}

.brand {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.brand__mark {
  display: grid;
  width: 1rem;
  height: 1rem;
  place-items: center;
  color: var(--color-blue-bright);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.8rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-small);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-blue-bright);
  outline-offset: 4px;
}

.button--primary {
  color: var(--color-black);
  background: var(--color-blue-bright);
  box-shadow: 0 0 26px rgb(79 140 255 / 26%);
}

.button--primary:hover {
  background: #9ec4ff;
}

.button--secondary {
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-border);
}

.button--secondary:hover {
  border-color: var(--color-blue);
}

.button--small {
  min-height: 2rem;
  padding: 0.48rem 0.8rem;
  font-size: 0.62rem;
}

.button--full {
  width: 100%;
}

.hero {
  min-height: calc(100svh - 4.4rem);
  display: grid;
  align-items: center;
}

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero__content {
  display: grid;
  gap: 1.4rem;
}

.eyebrow {
  width: fit-content;
  padding: 0.35rem 0.5rem;
  color: var(--color-blue-bright);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgb(79 140 255 / 8%);
  border: 1px solid rgb(79 140 255 / 22%);
  border-radius: 999px;
}

.hero__text {
  max-width: 39rem;
  color: var(--color-text-soft);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.4rem;
}

.code-card,
.feature-card,
.project-card,
.timeline-card,
.service-card,
.contact-form {
  background:
    linear-gradient(180deg, rgb(255 255 255 / 5%), rgb(255 255 255 / 1%)),
    var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.code-card {
  position: relative;
  overflow: hidden;
  padding: 1rem;
  border-radius: var(--radius-large);
}

.code-card::before {
  position: absolute;
  inset: -30% auto auto 40%;
  width: 16rem;
  height: 16rem;
  content: "";
  background: rgb(79 140 255 / 22%);
  border-radius: 50%;
  filter: blur(46px);
}

.code-card__window {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.code-card__window span {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--color-border);
  border-radius: 50%;
}

.code-card__window span:first-child {
  background: var(--color-blue);
}

.code-card__screen {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.85rem;
  min-height: 15rem;
  padding: 1.25rem;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgb(255 255 255 / 5%) 1px, transparent 1px),
    linear-gradient(rgb(255 255 255 / 5%) 1px, transparent 1px),
    #05080b;
  background-size: 2.2rem 2.2rem;
  border: 1px solid rgb(255 255 255 / 7%);
  border-radius: var(--radius-medium);
}

.code-card__screen::after {
  position: absolute;
  inset: auto 1.5rem 1.5rem auto;
  width: 8rem;
  height: 8rem;
  content: "";
  border: 1px solid rgb(127 176 255 / 28%);
  border-radius: 50%;
}

.code-line {
  height: 0.5rem;
  background: linear-gradient(90deg, var(--color-blue), rgb(255 255 255 / 18%));
  border-radius: 999px;
}

.code-line--long {
  width: 80%;
}

.code-line--medium {
  width: 58%;
}

.code-line--short {
  width: 36%;
}

.metrics {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1rem;
}

.metrics strong {
  display: block;
  margin-top: 0.15rem;
  font-size: clamp(1.3rem, 4vw, 2.3rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.metrics__label,
.project-card__meta,
.timeline-card__date,
.timeline-card__company {
  color: var(--color-blue-bright);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.feature-card,
.timeline-card {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  border-radius: var(--radius-medium);
}

.feature-card__icon,
.service-card__icon {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  color: var(--color-blue-bright);
  background: rgb(79 140 255 / 10%);
  border: 1px solid rgb(79 140 255 / 22%);
  border-radius: var(--radius-small);
}

.feature-card svg,
.service-card svg,
.project-card svg,
.contact-list svg,
.social-links svg {
  width: 1.15rem;
  height: 1.15rem;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card p,
.project-card p,
.timeline-card p,
.service-card p,
.contact__content p {
  color: var(--color-text-muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.15rem;
}

.tag-list li {
  padding: 0.32rem 0.45rem;
  color: var(--color-text-soft);
  font-size: 0.58rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgb(255 255 255 / 4%);
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 0.32rem;
}

.project-list {
  display: grid;
  gap: 1.1rem;
}

.project-card {
  overflow: hidden;
  border-radius: var(--radius-medium);
}

.project-card__visual {
  position: relative;
  min-height: 15rem;
  overflow: hidden;
  background: #05080b;
}

.project-card__visual::before,
.project-card__visual::after {
  position: absolute;
  content: "";
}

.project-card__visual--dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  padding: 1rem;
  background:
    linear-gradient(135deg, rgb(79 140 255 / 20%), transparent),
    #05080b;
}

.project-card__visual--dashboard span {
  min-height: 5.5rem;
  background:
    linear-gradient(135deg, rgb(127 176 255 / 22%), transparent),
    repeating-linear-gradient(90deg, rgb(255 255 255 / 10%) 0 1px, transparent 1px 14px);
  border: 1px solid rgb(255 255 255 / 9%);
  border-radius: var(--radius-small);
}

.project-card__visual--dashboard span:first-child {
  grid-column: 1 / -1;
}

.project-card__visual--network {
  background:
    radial-gradient(circle at 20% 30%, rgb(127 176 255 / 62%) 0 0.18rem, transparent 0.22rem),
    radial-gradient(circle at 70% 42%, rgb(127 176 255 / 55%) 0 0.18rem, transparent 0.22rem),
    radial-gradient(circle at 40% 72%, rgb(127 176 255 / 45%) 0 0.18rem, transparent 0.22rem),
    linear-gradient(140deg, rgb(79 140 255 / 16%), transparent 58%),
    #05080b;
}

.project-card__visual--network::before {
  inset: 20% 8%;
  background:
    linear-gradient(25deg, transparent 49.5%, rgb(127 176 255 / 25%) 50%, transparent 50.5%),
    linear-gradient(155deg, transparent 49.5%, rgb(127 176 255 / 18%) 50%, transparent 50.5%);
}

.project-card__visual--network::after {
  inset: 1rem;
  border: 1px solid rgb(127 176 255 / 15%);
  border-radius: var(--radius-medium);
}

.project-card__visual--network span {
  position: absolute;
  width: 0.6rem;
  height: 0.6rem;
  background: var(--color-blue-bright);
  border-radius: 50%;
  box-shadow: 0 0 22px var(--color-blue);
}

.project-card__visual--network span:nth-child(1) {
  top: 22%;
  left: 18%;
}

.project-card__visual--network span:nth-child(2) {
  top: 46%;
  left: 68%;
}

.project-card__visual--network span:nth-child(3) {
  top: 72%;
  left: 38%;
}

.project-card__visual--network span:nth-child(4) {
  top: 30%;
  left: 84%;
}

.project-card__body {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.project-card__header,
.timeline-card__header {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.project-card__header a {
  color: var(--color-blue-bright);
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  position: absolute;
  inset: 0 auto 0 -0.55rem;
  width: 1px;
  content: "";
  background: linear-gradient(180deg, var(--color-blue), transparent);
}

.timeline-card {
  position: relative;
}

.timeline-card::before {
  position: absolute;
  top: 1.25rem;
  left: -0.76rem;
  width: 0.45rem;
  height: 0.45rem;
  content: "";
  background: var(--color-blue);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--color-blue);
}

.timeline-card__header span {
  padding: 0.2rem 0.4rem;
  color: var(--color-text-muted);
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 0.3rem;
}

.service-list {
  display: grid;
  gap: 0.8rem;
}

.service-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.25rem);
  border-radius: var(--radius-medium);
}

.contact__grid {
  display: grid;
  gap: 1.3rem;
  padding: clamp(1rem, 3vw, 1.4rem);
  background:
    radial-gradient(circle at top right, rgb(79 140 255 / 18%), transparent 18rem),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
}

.contact__content {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.contact-list {
  display: grid;
  gap: 0.6rem;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.contact-list li {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.contact-list svg {
  color: var(--color-blue-bright);
}

.social-links {
  display: flex;
  gap: 0.7rem;
}

.social-links a {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  transition:
    transform var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.social-links a:hover {
  color: var(--color-blue-bright);
  border-color: var(--color-blue);
  transform: translateY(-2px);
}

.contact-form {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--radius-medium);
}

.contact-form label {
  color: var(--color-text-muted);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  color: var(--color-text);
  background: rgb(0 0 0 / 24%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
}

.contact-form input {
  min-height: 2.9rem;
  padding: 0 0.85rem;
}

.contact-form textarea {
  min-height: 9rem;
  padding: 0.85rem;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgb(147 161 173 / 72%);
}

.site-footer {
  padding-block: 2.5rem;
  color: var(--color-text-muted);
  border-top: 1px solid rgb(255 255 255 / 5%);
}

.site-footer__grid {
  display: grid;
  gap: 1rem;
  text-align: center;
}

.site-footer__grid > p:first-child {
  color: var(--color-text);
  font-weight: 800;
  text-transform: uppercase;
}

.site-footer__links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.site-footer__links a:hover {
  color: var(--color-blue-bright);
}

@media (width >= 640px) {
  .hero__actions {
    gap: 1rem;
  }

  .card-grid--three,
  .project-list,
  .service-list,
  .contact__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card:last-child {
    grid-column: span 2;
  }

  .site-footer__grid {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    text-align: left;
  }

  .site-footer__grid > p:last-child {
    text-align: right;
  }
}

@media (width >= 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.42fr);
  }

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

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

  .timeline {
    max-width: 48rem;
    margin-inline: auto;
  }

  .service-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .service-card,
  .service-card:last-child {
    grid-column: auto;
  }
}


/* Scroll animations */
[data-animate] {
  opacity: 0;
  transition:
    opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--animation-delay, 0ms);
  will-change: opacity, transform;
}

[data-animate="fade-up"] {
  transform: translate3d(0, 2rem, 0);
}

[data-animate="fade-left"] {
  transform: translate3d(2rem, 0, 0);
}

[data-animate="fade-right"] {
  transform: translate3d(-2rem, 0, 0);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.hero__content[data-animate] {
  transition-delay: 80ms;
}

.code-card[data-animate] {
  transition-delay: 180ms;
}

.feature-card:hover,
.project-card:hover,
.timeline-card:hover,
.service-card:hover {
  border-color: rgb(79 140 255 / 46%);
  transform: translateY(-4px);
}

.feature-card,
.project-card,
.timeline-card,
.service-card {
  transition:
    opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 220ms ease,
    border-color 220ms ease;
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

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