:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #dbe3ee;
  --brand: #2563eb;
  --brand-strong: #1d4ed8;
  --brand-soft: #eff6ff;
  --accent: #0b1220;
  --success: #16a34a;
  --radius: 18px;
  --radius-sm: 14px;
  --container: 1120px;
  --shadow: 0 20px 55px rgba(15, 23, 42, 0.08);
  --ring: 0 0 0 3px rgba(37, 99, 235, 0.23);
}

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

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 100% -5%, #e0ecff 0, transparent 32%),
    radial-gradient(circle at 0 -5%, #f1f6ff 0, transparent 28%),
    var(--bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: #111827;
  color: #fff;
  padding: 0.65rem 0.85rem;
  border-radius: 0.7rem;
  outline: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid rgba(219, 227, 238, 0.7);
  background: rgba(247, 249, 252, 0.86);
  backdrop-filter: blur(11px);
}

.site-header[data-scrolled="1"] {
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), #1e3a8a);
  color: #fff;
  font-size: 0.85rem;
}

.brand small {
  display: block;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.nav-area {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.6rem 0.75rem;
  border-radius: 11px;
  font-weight: 600;
}

.nav-links a:hover {
  background: #fff;
  color: var(--text);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

.lang-switch a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
}

.lang-switch a[aria-current="page"] {
  background: var(--brand);
  color: #fff;
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  padding: 0.77rem 1.05rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.27);
}

.btn-primary:hover {
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.34);
}

.btn-outline {
  border-color: var(--line);
  background: #fff;
  color: var(--text);
}

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

.btn-ghost:hover {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.hero {
  padding: 4.7rem 0 3.3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.5rem;
  align-items: center;
}

.hero-card {
  background: linear-gradient(165deg, #ffffff 0%, #f9fbff 65%, #f5f8ff 100%);
  border: 1px solid #d9e3f3;
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: clamp(1.45rem, 4vw, 2.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--brand-soft);
  color: var(--brand-strong);
  border: 1px solid #cde0ff;
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  font-size: 0.79rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0.9rem 0 0.9rem;
  line-height: 1.11;
  letter-spacing: -0.03em;
  font-size: clamp(1.95rem, 5vw, 3.15rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
}

.hero-actions {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-points {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.hero-points li {
  display: flex;
  gap: 0.6rem;
  color: var(--muted);
}

.hero-points svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex: 0 0 auto;
  margin-top: 0.15rem;
}

.hero-media {
  border-radius: 23px;
  background: linear-gradient(165deg, #1f2937, #0f172a);
  color: #e2e8f0;
  overflow: hidden;
  border: 1px solid #1e293b;
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.32);
}

.hero-media-header {
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
  padding: 0.85rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.hero-media-body {
  padding: 1rem;
  display: grid;
  gap: 0.9rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 12px;
  padding: 0.6rem;
  background: rgba(15, 23, 42, 0.56);
}

.metric strong {
  display: block;
  font-size: 1rem;
}

.metric span {
  color: #cbd5e1;
  font-size: 0.78rem;
}

.mock-lines {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 14px;
  padding: 0.85rem;
  background: rgba(15, 23, 42, 0.56);
  display: grid;
  gap: 0.55rem;
}

.mock-lines i {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #1e40af, #2563eb);
}

.mock-lines i:nth-child(2) {
  width: 70%;
}

.mock-lines i:nth-child(3) {
  width: 52%;
}

.section {
  padding: 2.7rem 0;
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.55rem, 3.8vw, 2.15rem);
  letter-spacing: -0.02em;
}

.section .lead {
  margin: 0 0 1.15rem;
  color: var(--muted);
  max-width: 70ch;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 1rem;
  box-shadow: 0 8px 26px rgba(15, 23, 42, 0.04);
}

.card svg {
  width: 22px;
  height: 22px;
  color: var(--brand);
}

.card h3 {
  margin: 0.7rem 0 0.4rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.list-box {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  padding: 1rem;
}

.list-box ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.72rem;
}

.list-box li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.list-box svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--success);
  margin-top: 0.15rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.project {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  overflow: hidden;
}

.project-thumb {
  min-height: 165px;
  background: linear-gradient(140deg, #e2e8f0, #dbeafe 45%, #bfdbfe);
  position: relative;
}

.project-thumb::before,
.project-thumb::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.13);
}

.project-thumb::before {
  width: 56%;
  height: 12px;
  left: 14%;
  top: 28%;
}

.project-thumb::after {
  width: 70%;
  height: 12px;
  left: 14%;
  top: 42%;
}

.project-body {
  padding: 0.95rem;
}

.project-body h3 {
  margin: 0 0 0.4rem;
}

.project-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.quote {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 1rem;
}

.quote p {
  margin: 0 0 0.65rem;
  color: var(--muted);
}

.quote cite {
  font-style: normal;
  font-weight: 700;
  font-size: 0.92rem;
}

.faq {
  display: grid;
  gap: 0.7rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 0.75rem 0.9rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.contact-wrap {
  border: 1px solid #d6e1f2;
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 3vw, 1.7rem);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem;
}

.contact-info ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.contact-info li {
  color: var(--muted);
}

.messenger-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.95rem;
}

.messenger-row .btn svg {
  width: 16px;
  height: 16px;
}

.form {
  display: grid;
  gap: 0.72rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cfdcec;
  border-radius: 11px;
  background: #fff;
  color: var(--text);
  padding: 0.72rem 0.82rem;
  font: inherit;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--ring);
}

.form-status {
  display: none;
  border: 1px solid #d7e2f3;
  border-radius: 11px;
  padding: 0.6rem 0.75rem;
  margin: 0;
  color: var(--muted);
  background: #f8fbff;
  font-size: 0.88rem;
}

.form-status[data-state] {
  display: block;
}

.form-status[data-state="ok"] {
  border-color: #b8e0c4;
  background: #f0fdf4;
  color: #14532d;
}

.form-status[data-state="error"] {
  border-color: #f3c0c0;
  background: #fef2f2;
  color: #7f1d1d;
}

.hp {
  position: absolute;
  left: -9999px;
  top: auto;
}

.privacy-note {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem;
  background: #fff;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  padding: 2rem 0 3.8rem;
  border-top: 1px solid var(--line);
}

.footer-row {
  display: flex;
  gap: 0.8rem;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
  background: #fff;
  font-size: 0.86rem;
}

.social {
  display: flex;
  gap: 0.45rem;
}

.social a {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: #fff;
}

.social svg {
  width: 16px;
  height: 16px;
}

.muted {
  color: var(--muted);
  font-size: 0.88rem;
}

.floating-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 55;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.3);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  .hero-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    inset: var(--header-height, 74px) 0 auto 0;
    background: rgba(247, 249, 252, 0.98);
    border-bottom: 1px solid var(--line);
    display: grid;
    gap: 0.1rem;
    padding: 0.8rem 1rem 1.05rem;
    transform: translateY(calc(-100% - var(--header-height, 74px)));
    transition: transform 0.2s ease;
  }

  .nav-open .nav-links {
    transform: translateY(0);
  }

  .nav-links a {
    padding: 0.7rem;
  }
}

@media (max-width: 680px) {
  .card-grid,
  .portfolio-grid,
  .testimonial-grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .floating-cta {
    left: 1rem;
    right: 1rem;
    justify-content: center;
  }
}