:root {
  color-scheme: light;
  --bg: #f8f4ef;
  --bg-alt: #efe6da;
  --ink: #1c1a17;
  --muted: #5a5247;
  --accent: #d3622d;
  --accent-dark: #b44f20;
  --card: #fff6ea;
  --stroke: #d7c5b2;
  --shadow: 0 20px 60px rgba(28, 26, 23, 0.15);
  --canvas-line: rgba(211, 98, 45, 0.35);
  --canvas-dot: rgba(28, 26, 23, 0.45);
  --radius-lg: 32px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-title: "Syne", "Space Grotesk", sans-serif;
  --font-body: "Space Grotesk", "Syne", sans-serif;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1115;
  --bg-alt: #1b2027;
  --ink: #f4f1ed;
  --muted: #b5aca2;
  --accent: #ff824c;
  --accent-dark: #e36933;
  --card: #161b22;
  --stroke: #2c333d;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  --canvas-line: rgba(255, 130, 76, 0.35);
  --canvas-dot: rgba(244, 241, 237, 0.45);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at top, #fff4e5 0%, var(--bg) 45%, #f2e7db 100%);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  user-select: text;
}

body.is-loading main,
body.is-loading .site-header,
body.is-loading .site-footer {
  opacity: 0;
  transform: translateY(12px);
}

main,
.site-header,
.site-footer {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: reduce) {
  main,
  .site-header,
  .site-footer {
    transition: none;
  }
}

body[data-theme="dark"] {
  background: radial-gradient(circle at top, #1a2028 0%, var(--bg) 45%, #0c0f14 100%);
}

#neural-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

@media (max-width: 900px) {
  #neural-canvas {
    display: none;
  }
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 6vw;
  background: rgba(248, 244, 239, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(215, 197, 178, 0.6);
}

body[data-theme="dark"] .site-header {
  background: rgba(15, 17, 21, 0.75);
  border-bottom: 1px solid rgba(44, 51, 61, 0.8);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-title);
  font-size: 16px;
}

.brand__name {
  font-size: 18px;
  letter-spacing: 0.5px;
}

.site-nav {
  display: flex;
  gap: 24px;
  font-size: 15px;
}

.site-nav a {
  position: relative;
  padding-bottom: 4px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.site-nav a:hover::after {
  width: 100%;
}

.site-nav a.active::after {
  width: 100%;
}

.cta {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--ink);
  font-weight: 600;
  transition: all 0.3s ease;
}

.cta:hover {
  background: var(--ink);
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.theme-toggle__icon {
  font-size: 18px;
}

.theme-toggle:hover {
  background: var(--ink);
  color: #fff;
}

main {
  padding: 40px 6vw 120px;
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 36px;
  align-items: center;
  padding: 40px 0 80px;
}

.hero__content h1 {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 3.5vw, 4rem);
  line-height: 1.1;
  margin: 12px 0 18px;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.hero__lead {
  font-size: 18px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin: 28px 0 32px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s ease,
    color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 25px rgba(211, 98, 45, 0.35);
}

.btn--primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(211, 98, 45, 0.4);
}

.btn--ghost {
  border-color: var(--ink);
  background: transparent;
}

.btn--ghost:hover {
  background: var(--ink);
  color: #fff;
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.35), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn:hover::after {
  opacity: 1;
}

.hero__meta {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  padding-top: 16px;
  border-top: 1px solid var(--stroke);
}

.meta__label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
}

.hero__card {
  position: relative;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #fff5e6 0%, #f6dec7 100%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

body[data-theme="dark"] .hero__card {
  background: linear-gradient(160deg, #1c222b 0%, #0f1319 100%);
}

.hero__card::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(211, 98, 45, 0.2);
}

.hero__card-inner {
  position: relative;
  z-index: 1;
}

.card__title {
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 16px;
}

.stack {
  list-style: none;
  display: grid;
  gap: 10px;
  font-weight: 600;
}

.card__footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(28, 26, 23, 0.2);
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}

.section {
  padding: 60px 0;
}

.section__header {
  max-width: 640px;
  margin-bottom: 32px;
}

.section__header h2 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.2;
  margin-top: 12px;
}

.about {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: center;
}

.about__content {
  display: grid;
  gap: 24px;
}

.about__photo {
  display: grid;
  place-items: center;
  align-self: start;
}

.about__photo img {
  width: min(490px, 100%);
  border-radius: 24px;
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  object-fit: cover;
  transform: translateY(-10cm);
}

.about__stats {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.about__stats strong {
  font-size: 28px;
  font-family: var(--font-title);
  display: block;
}

.curiosities {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.curiosities article {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--stroke);
}

.curiosities p {
  font-size: 15px;
}

.skills {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.skills article {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--stroke);
  min-height: 180px;
}

.skills h3 {
  font-family: var(--font-title);
  margin-bottom: 12px;
  font-size: 20px;
}

.clients .section__header {
  margin-bottom: 24px;
}

.logo-marquee {
  position: relative;
  overflow: hidden;
  padding: 18px 0 32px;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 48px;
}

.logo-marquee::before,
.logo-marquee::after {
  content: none;
}

.logo-track {
  display: flex;
  align-items: center;
  gap: 48px;
  width: max-content;
  flex-shrink: 0;
  animation: marquee 26s linear infinite;
}

.logo-item {
  width: 180px;
  height: 80px;
  display: grid;
  place-items: center;
  --logo-offset: 0px;
}

.logo-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.85;
  transform: translateY(var(--logo-offset));
  transition: transform 0.3s ease, filter 0.3s ease, opacity 0.3s ease;
}

.logo-item img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(calc(var(--logo-offset) - 4px)) scale(1.03);
}

.logo-item.logo--up {
  --logo-offset: -6px;
}

.logo-item.logo--up-soft {
  --logo-offset: -3px;
}

.logo-item.logo--alpha {
  --logo-offset: -20px;
}

.logo-item.logo--tectoy {
  --logo-offset: -35px;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

.projects {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--stroke);
  display: grid;
  gap: 12px;
  box-shadow: 0 18px 35px rgba(28, 26, 23, 0.08);
  grid-template-rows: auto 1fr auto;
}

body[data-theme="dark"] .project {
  background: #121821;
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.35);
}

.project__header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project__header h3 {
  font-family: var(--font-title);
  font-size: 22px;
}

.project__header span {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  font-weight: 600;
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: flex-start;
}

.project__tags span {
  background: var(--bg-alt);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.contact {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: start;
}

.contact__details {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  font-weight: 600;
}

.contact__details a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact__form {
  display: grid;
  gap: 16px;
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  position: relative;
  overflow: hidden;
}

.form-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, #ffe1c8 0%, #fff1e3 50%, #ffd9bf 100%);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.form-overlay__text {
  font-weight: 700;
  color: #1f8f3a;
  background: #ffffffd1;
  padding: 10px 18px;
  border-radius: 999px;
  animation: success-pop 0.6s ease;
}

.contact__form.is-celebrating .form-overlay {
  opacity: 1;
  animation: overlay-glow 2.4s ease;
}

.contact__form.is-celebrating label,
.contact__form.is-celebrating .btn--primary,
.contact__form.is-celebrating .form-feedback {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}

.contact__form label,
.contact__form .btn--primary,
.contact__form .form-feedback {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.form-feedback {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 32px;
  justify-content: flex-start;
}

.form-status {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: #1f8f3a;
  padding: 6px 12px;
  border-radius: 999px;
  width: fit-content;
  min-height: 0;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.plane {
  position: absolute;
  left: 16px;
  top: 140px;
  display: inline-flex;
  color: #ff7a2f;
  opacity: 0;
  transform: translate(0, 0) scale(0.6) rotate(-12deg);
}

.plane svg {
  width: 26px;
  height: 26px;
}

.form-feedback.is-visible .plane {
  animation: plane-fly 1s ease forwards;
}

.form-feedback.is-visible .form-status {
  opacity: 1;
  transform: translateY(0);
}

@keyframes plane-fly {
  0% {
    opacity: 0;
    transform: translate(0, 0) scale(0.6) rotate(-12deg);
  }
  30% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(120%, -200px) scale(1) rotate(8deg);
  }
}

@keyframes overlay-glow {
  0% {
    box-shadow: inset 0 0 0 rgba(255, 255, 255, 0);
  }
  50% {
    box-shadow: inset 0 0 60px rgba(255, 255, 255, 0.25);
  }
  100% {
    box-shadow: inset 0 0 0 rgba(255, 255, 255, 0);
  }
}

@keyframes success-pop {
  0% {
    transform: scale(0.92);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
}

input,
textarea {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  font-family: var(--font-body);
  user-select: text;
}

body[data-theme="dark"] .skills article,
body[data-theme="dark"] .curiosities article,
body[data-theme="dark"] .contact__form {
  background: #131a24;
  border-color: #2c333d;
}

body[data-theme="dark"] input,
body[data-theme="dark"] textarea {
  background: #0f141c;
  color: var(--ink);
  border-color: #2c333d;
}

body[data-theme="dark"] input::placeholder,
body[data-theme="dark"] textarea::placeholder {
  color: #9aa3ad;
}

.site-header,
.hero__actions,
.logo-marquee,
.project__tags,
.contact__details,
.site-footer,
.whatsapp-float,
.theme-toggle,
.cta,
.btn {
  user-select: none;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 20;
  padding: 12px 18px;
  border-radius: 999px;
  background: #1f8f3a;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 14px 30px rgba(31, 143, 58, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(31, 143, 58, 0.45);
}

.site-footer {
  padding: 30px 6vw 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--stroke);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
    gap: 16px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

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

  .about__photo img {
    transform: none;
    width: min(360px, 100%);
  }

  .reveal,
  .reveal.visible {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero__card {
    padding: 28px;
  }

  .site-footer {
    flex-direction: column;
    gap: 12px;
  }

  .logo-item {
    width: 140px;
    height: 64px;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
  }
}