:root {
  --bg: #eef5fb;
  --paper: #fbfcfe;
  --ink: #1a3347;
  --muted: #5b7386;
  --line: #c9dcea;
  --blue: #3a7ca5;
  --blue-dark: #24587a;
  --blue-soft: #d7e8f4;
  --shadow: 0 18px 40px rgba(36, 88, 122, 0.08);
  --radius: 22px;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --serif: "Fraunces", Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.8rem;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.65;
  background:
    radial-gradient(circle at 12% -10%, #ffffff 0%, transparent 42%),
    radial-gradient(circle at 92% 8%, var(--blue-soft) 0%, transparent 36%),
    var(--bg);
}

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

a {
  color: var(--blue-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--blue);
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: #fff;
  padding: 0.5rem 0.8rem;
  z-index: 20;
}

.skip:focus {
  top: 1rem;
}

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(238, 245, 251, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  font-size: 0.78rem;
}

.brand-text small {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--blue);
  color: #f7fbfe;
  flex-shrink: 0;
  padding: 5px;
}

.mark svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.nav {
  display: flex;
  gap: 1.35rem;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--blue-dark);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  width: 2.6rem;
  height: 2.6rem;
  cursor: pointer;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  position: relative;
  margin: 0 auto;
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bar::before {
  top: -5px;
}

.nav-toggle-bar::after {
  top: 5px;
}

.hero {
  padding: 4.4rem 0 1.6rem;
}

.hero-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  padding: 2.6rem 2.4rem 2.3rem;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: var(--blue-soft);
  opacity: 0.75;
  pointer-events: none;
}

.kicker {
  margin: 0 0 0.7rem;
  color: var(--blue-dark);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

h1,
h2 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 560;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2.15rem, 5vw, 3.25rem);
  max-width: 20ch;
  position: relative;
  z-index: 1;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.05rem);
}

.section-head h2 + p {
  margin-top: 0.75rem;
}

.lead {
  margin: 1rem 0 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.12rem;
  position: relative;
  z-index: 1;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.4rem;
  margin: 1.5rem 0 0;
  position: relative;
  z-index: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  background: var(--blue-dark);
  color: #f4f9fd;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.62rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.btn:hover {
  background: var(--blue);
  color: #fff;
}

.btn-text {
  color: var(--blue-dark);
  font-weight: 600;
  text-decoration: none;
}

.btn-text:hover {
  color: var(--blue);
}

.stats-wrap {
  padding: 0.4rem 0 0.8rem;
}

.stats {
  list-style: none;
  margin: 0;
  padding: 1.15rem 0.4rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stats li {
  padding: 0.35rem 0.8rem;
}

.stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.stats span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

.section {
  padding: 2.8rem 0;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 1.5rem;
}

.section p,
.card p,
.work-card p,
.faq p {
  margin: 0 0 1rem;
  color: #2a4558;
}

.section-head p:last-child,
.card p:last-child,
.work-card p:last-child,
.faq p:last-child {
  margin-bottom: 0;
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 1.1rem;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

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

.card,
.work-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.3rem 1.2rem;
}

.card h3,
.work-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.work-card {
  box-shadow: var(--shadow);
  padding: 0 0 1.2rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.work-media {
  margin: 0 0 1rem;
  background: var(--blue-soft);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.work-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-card .work-tag,
.work-card h3,
.work-card p,
.work-card .work-link {
  padding-left: 1.3rem;
  padding-right: 1.3rem;
}

.work-tag {
  margin: 0 0 0.4rem !important;
  color: var(--blue-dark) !important;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

.work-card h3 {
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.work-role {
  margin: 0 0 0.55rem !important;
  color: var(--blue-dark) !important;
  font-size: 0.88rem;
  font-weight: 600;
}

.work-link {
  margin-top: auto;
  font-weight: 600;
  text-decoration: none;
}

.scenarios {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 1.1rem;
}

.scenarios li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
}

.steps-5 {
  grid-template-columns: repeat(5, 1fr);
}

.contact-intro {
  max-width: 36rem;
  margin-bottom: 1.2rem;
}

.contact-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  padding: 1.4rem 1.4rem 1.2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
  margin-bottom: 0.9rem;
}

.contact-form textarea {
  resize: vertical;
  min-height: 8rem;
}

.contact-form button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.form-status {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
}

.form-status.is-ok {
  background: #e5f4ea;
  color: #215c38;
}

.form-status.is-bad {
  background: #fde8e6;
  color: #8a2b22;
}

.fullstack {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.8rem 1.7rem 1.5rem;
  box-shadow: var(--shadow);
}

.fullstack h2 {
  max-width: 18ch;
  margin-bottom: 0.8rem;
}

.tech-line {
  margin: 1.1rem 0 0 !important;
  color: var(--blue-dark) !important;
  font-weight: 600;
  font-size: 0.98rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  counter-reset: step;
}

.steps li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem 1.15rem;
  counter-increment: step;
}

.steps li::before {
  content: "0" counter(step);
  display: block;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.45rem;
}

.steps strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.steps span {
  color: var(--muted);
}

.about-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.portrait {
  margin: 0;
  position: relative;
}

.portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 28px;
  background: var(--blue-soft);
}

.portrait-fallback {
  aspect-ratio: 1;
  border-radius: 28px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #d7e8f4, #b7d0e3);
  color: var(--blue-dark);
  font-family: var(--serif);
  font-size: 2.4rem;
}

.faq details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 1.1rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin: 0.7rem 0 0.15rem;
}

.contact-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  background: var(--blue-dark);
  color: #f4f9fd;
  border-radius: calc(var(--radius) + 4px);
  padding: 1.7rem 1.7rem 1.5rem;
}

.mail {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

.contact-email {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  padding: 1.2rem 0 2.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .steps-5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 980px) {
  .grid-3,
  .work-grid,
  .stats,
  .steps,
  .scenarios,
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    display: none;
    position: absolute;
    right: 1rem;
    top: 4.4rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    flex-direction: column;
    padding: 0.8rem 1rem;
    gap: 0.7rem;
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

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

  .portrait {
    max-width: 200px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 2rem;
  }

  .hero-panel,
  .contact-panel,
  .about-grid {
    padding: 1.25rem;
  }

  .grid-2,
  .grid-3,
  .work-grid,
  .stats,
  .steps,
  .steps-5,
  .scenarios,
  .form-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media print {
  .site-header,
  .nav-toggle {
    display: none;
  }

  .hero-panel,
  .card,
  .work-card,
  .contact-panel,
  .about-grid {
    box-shadow: none;
    break-inside: avoid;
  }
}