:root {
  --bg: #06111f;
  --bg-deep: #030916;
  --panel: #0b1b31;
  --panel-soft: #0e243d;
  --text: #edf6ff;
  --muted: #9db2ca;
  --line: rgba(114, 169, 230, 0.22);
  --ink: #d9ecff;
  --blue: #5aa7ff;
  --blue-strong: #2f7df1;
  --cyan: #73d5ff;
  --label-accent: var(--cyan);
  --shadow: 0 24px 70px rgba(0, 8, 20, 0.4);
  --header-height: 72px;
  --anchor-offset: calc(var(--header-height) + 24px);
  --hover-in-duration: 250ms;
  --hover-out-duration: 500ms;
  --hover-easing: ease;
  --hover-transition: var(--hover-out-duration) var(--hover-easing);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: var(--header-height);
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

main,
body > .legal-links,
.site-footer {
  animation: page-enter 220ms ease both;
}

body.is-leaving main,
body.is-leaving > .legal-links,
body.is-leaving .site-footer {
  pointer-events: none;
  animation: page-exit 160ms ease forwards;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(140deg, rgba(47, 125, 241, 0.22), transparent 34%),
    linear-gradient(260deg, rgba(115, 213, 255, 0.11), transparent 32%),
    linear-gradient(180deg, var(--bg), var(--bg-deep));
}

@keyframes page-enter {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes page-exit {
  to {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  main,
  body > .legal-links,
  .site-footer,
  body.is-leaving main,
  body.is-leaving > .legal-links,
  body.is-leaving .site-footer {
    animation: none;
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition:
    color var(--hover-transition),
    background-color var(--hover-transition),
    border-color var(--hover-transition),
    opacity var(--hover-transition);
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(4, 13, 28, 0.84);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  color: #06111f;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  font-size: 0.8rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-nav a {
  background-color: transparent;
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.top-nav a:hover,
.top-nav a.active {
  color: var(--text);
  background-color: rgba(90, 167, 255, 0.14);
}

.nav-toggle {
  display: none;
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero,
.page-heading,
.case-study,
.contact-layout {
  padding: clamp(56px, 9vw, 112px) 0 clamp(40px, 7vw, 80px);
}

.hero {
  scroll-margin-top: var(--anchor-offset);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--label-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 880px;
  margin-bottom: 22px;
  font-size: clamp(2.45rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.typing-title {
  position: relative;
  font-size: clamp(1.65rem, 5vw, 4.25rem);
  line-height: 1.08;
}

.typing-title-space {
  display: block;
  visibility: hidden;
}

.typing-title-text {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  max-width: 100%;
  color: var(--text);
  white-space: normal;
}

.typing-title-text::after {
  content: "_";
  display: inline-block;
  margin-left: 0.04em;
  color: var(--cyan);
  animation: typing-caret 720ms steps(1, end) infinite;
}

@keyframes typing-caret {
  0%,
  48% {
    opacity: 1;
  }

  49%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .typing-title-text {
    opacity: 1;
    animation: none;
  }

  .typing-title-text::after {
    opacity: 1;
    animation: none;
  }
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero-actions,
.social-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  position: relative;
  display: inline-flex;
  overflow: hidden;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 750;
  transition:
    color var(--hover-transition),
    background-color var(--hover-transition),
    border-color var(--hover-transition),
    box-shadow var(--hover-transition),
    opacity var(--hover-transition);
}

.button svg {
  width: 1.1em;
  height: 1.1em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.button svg.brand-icon {
  fill: currentColor;
  stroke: none;
}

.button.primary {
  isolation: isolate;
  color: #ffffff;
  background: transparent;
  box-shadow: 0 14px 30px rgba(47, 125, 241, 0.28);
}

.button.primary::before,
.button.primary::after {
  position: absolute;
  inset: 0;
  content: "";
  transition: opacity var(--hover-transition);
}

.button.primary::before {
  z-index: -2;
  background: linear-gradient(135deg, var(--blue-strong), var(--blue));
  opacity: 1;
}

.button.primary::after {
  z-index: -1;
  background: linear-gradient(135deg, #1f6ce0, var(--cyan));
  opacity: 0;
}

.button.primary:hover::after,
.button.primary:focus-visible::after {
  opacity: 1;
}

.button.secondary {
  color: var(--text);
  border-color: var(--line);
  background-color: rgba(14, 36, 61, 0.72);
}

.button.secondary:hover {
  border-color: rgba(90, 167, 255, 0.65);
  background-color: rgba(90, 167, 255, 0.12);
}

.button.social-linkedin,
.button.social-github,
.button.social-whatsapp {
  color: #ffffff;
  border-color: transparent;
}

.button.social-linkedin {
  background-color: #0a66c2;
  box-shadow: 0 14px 30px rgba(10, 102, 194, 0.28);
}

.button.social-linkedin:hover,
.button.social-linkedin:focus-visible {
  background-color: #004182;
}

.button.social-github {
  background-color: #181717;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.24);
}

.button.social-github:hover,
.button.social-github:focus-visible {
  background-color: #2d333b;
}

.button.social-whatsapp {
  background-color: #128c7e;
  box-shadow: 0 14px 30px rgba(18, 140, 126, 0.24);
}

.button.social-whatsapp:hover,
.button.social-whatsapp:focus-visible {
  background-color: #075e54;
}

.hero-panel,
.contact-card,
.detail-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(11, 27, 49, 0.82);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  gap: 0;
  overflow: hidden;
}

.hero-panel > div {
  padding: 26px;
  border-bottom: 1px solid var(--line);
}

.hero-panel > div:last-child {
  border-bottom: 0;
}

.hero-panel strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1.12rem;
}

.accent-word {
  color: var(--blue);
}

.hero-panel p,
.section p:not(.eyebrow),
.project-card p,
.detail-block p {
  color: var(--muted);
}

.metric {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--label-accent);
  font-size: 0.8rem;
  font-weight: 850;
}

.section-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  padding-bottom: 80px;
}

.side-nav {
  position: sticky;
  top: var(--anchor-offset);
  display: grid;
  gap: 8px;
}

.side-nav a {
  background-color: transparent;
  border-left: 3px solid transparent;
  padding: 9px 12px;
  color: var(--muted);
  font-weight: 700;
}

.side-nav a:hover,
.side-nav a:focus {
  border-left-color: var(--blue);
  color: var(--text);
  background-color: rgba(90, 167, 255, 0.1);
}

.content-stack {
  display: grid;
  gap: 18px;
}

.section {
  scroll-margin-top: var(--anchor-offset);
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(11, 27, 49, 0.64);
}

.section.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 48px);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill-list span {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  background: rgba(14, 36, 61, 0.82);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.page-heading {
  max-width: 820px;
}

.inline-section {
  scroll-margin-top: var(--anchor-offset);
  padding-top: clamp(46px, 8vw, 96px);
}

.home-projects {
  padding-bottom: clamp(34px, 7vw, 82px);
}

.project-grid {
  display: grid;
  gap: 28px;
}

.project-card {
  scroll-margin-top: var(--anchor-offset);
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.project-card img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.project-link {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: center;
  padding: clamp(26px, 4vw, 44px);
}

.project-link h2 {
  transition: color var(--hover-transition);
}

.project-link:hover h2,
.project-link:hover .text-link {
  color: var(--cyan);
}

.text-link {
  margin-top: 8px;
  color: var(--blue);
  font-weight: 800;
  transition: color var(--hover-transition);
}

.case-study {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.case-study img {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-bottom: 80px;
}

.detail-block {
  padding: 28px;
}

.detail-block h2 {
  font-size: 1.35rem;
}

.contact-layout {
  scroll-margin-top: var(--anchor-offset);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.contact-card {
  padding: 30px;
}

.contact-list {
  display: grid;
  gap: 22px;
  margin: 0;
}

.contact-list div {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.contact-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-list dt {
  color: var(--label-accent);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-list dd {
  margin: 4px 0 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.contact-list a {
  color: var(--text);
}

.contact-list a:focus-visible {
  color: var(--blue);
}

@media (hover: hover) and (pointer: fine) {
  .contact-list a:hover {
    color: var(--blue);
  }
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 28px;
}

.legal-links a {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  background-color: rgba(14, 36, 61, 0.62);
  color: var(--muted);
  font-weight: 700;
}

.legal-links a:hover,
.legal-links a:focus {
  border-color: rgba(90, 167, 255, 0.65);
  color: var(--text);
  background-color: rgba(90, 167, 255, 0.12);
}

a:hover,
a:focus,
.button:hover,
.button:focus-visible,
.button.primary:hover::after,
.button.primary:focus-visible::after,
.project-link:hover h2,
.project-link:hover .text-link {
  transition-duration: var(--hover-in-duration);
}

.legal-document {
  max-width: 900px;
  margin: 0 auto 80px;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(11, 27, 49, 0.72);
  box-shadow: var(--shadow);
}

.legal-document > strong,
.legal-document > div > strong {
  display: block;
  margin: 28px 0 10px;
  color: var(--text);
  font-size: 1.15rem;
  line-height: 1.25;
}

.legal-document p strong {
  color: var(--text);
}

.legal-document p,
.legal-document li {
  color: var(--muted);
}

.legal-document a {
  color: var(--blue);
  font-weight: 700;
}

.legal-document ul {
  margin-top: 0;
  padding-left: 22px;
}

.legal-document hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 30px 0 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer a {
  color: var(--blue);
}

@media (max-width: 900px) {
  .hero,
  .section-shell,
  .section.split,
  .project-card,
  .case-study,
  .detail-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .side-nav {
    position: static;
    display: flex;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .side-nav a {
    flex: 0 0 auto;
    border-left: 0;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
  }

  .side-nav a:hover,
  .side-nav a:focus {
    border-bottom-color: var(--blue);
  }

  .project-card img {
    height: clamp(220px, 54vw, 320px);
    min-height: 0;
    border-bottom: 1px solid var(--line);
    object-position: top center;
  }

  .project-link {
    min-height: auto;
    background: var(--panel);
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 72px;
    --anchor-offset: calc(var(--header-height) + 18px);
  }

  .site-header {
    min-height: var(--header-height);
    align-items: center;
    gap: 16px;
    padding-top: 14px;
    padding-bottom: 12px;
  }

  .nav-toggle {
    display: inline-grid;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(14, 36, 61, 0.72);
    color: var(--text);
    cursor: pointer;
  }

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    grid-area: 1 / 1;
    border-radius: 999px;
    background: currentColor;
    transition:
      opacity var(--hover-transition),
      transform var(--hover-transition);
  }

  .nav-toggle span:first-child {
    transform: translateY(-7px);
  }

  .nav-toggle span:last-child {
    transform: translateY(7px);
  }

  .site-header[data-menu-open="true"] .nav-toggle span:first-child {
    transform: rotate(45deg);
  }

  .site-header[data-menu-open="true"] .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header[data-menu-open="true"] .nav-toggle span:last-child {
    transform: rotate(-45deg);
  }

  .top-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 14px;
    left: 14px;
    display: grid;
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(4, 13, 28, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    visibility: hidden;
    transition:
      opacity var(--hover-transition),
      transform var(--hover-transition),
      visibility var(--hover-transition);
  }

  .top-nav a {
    padding: 12px;
    text-align: center;
  }

  .site-header[data-menu-open="true"] .top-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  main,
  .site-footer {
    width: min(100% - 28px, 1180px);
  }

  .hero,
  .page-heading,
  .case-study,
  .contact-layout {
    padding-top: 42px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .typing-title {
    font-size: clamp(1.2rem, 6.4vw, 1.55rem);
  }

  .hero-actions,
  .social-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .project-link {
    padding: 24px;
  }

  .project-link .pill-list {
    gap: 8px;
  }

  .project-link .pill-list span {
    padding: 6px 9px;
    font-size: 0.86rem;
  }
}