:root {
  --ink: #14202e;
  --mut: #55606e;
  --bg: #f5f6f8;
  --card: #ffffff;
  --acc: #f2b705;
  --acc-hover: #e5ab00;
  --blue: #1b4f9c;
  --line: #dde1e7;
  --r: 10px;
  --shadow: 0 3px 10px rgba(20, 32, 46, 0.07);
  --success: #0d8a43;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1f5;
    --mut: #a9b3c0;
    --bg: #0f1720;
    --card: #18222e;
    --line: #2a3746;
    --blue: #7fb0f5;
    --shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--acc);
  outline-offset: 2px;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 12px;
  top: 12px;
  background: var(--acc);
  color: #14202e;
  padding: 10px 16px;
  font-weight: 700;
  border-radius: 6px;
  z-index: 99;
}

header {
  background: #14202e;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

header .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-decoration: none;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
}

.brand img {
  width: 36px;
  height: 36px;
}

nav {
  margin-left: auto;
  display: flex;
  gap: 6px;
}

nav a {
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: #d6dde6;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}

nav a[aria-current="page"],
nav a:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: rgba(20, 32, 46, 0.08);
}

.btn.pri {
  background: var(--acc);
  border-color: var(--acc);
  color: #14202e;
}

.btn.pri:hover {
  background: var(--acc-hover);
  border-color: var(--acc-hover);
}

.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.btn-icon {
  font-size: 1rem;
  line-height: 1;
}

.hero {
  background: #14202e;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--acc);
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
  padding-top: 50px;
  padding-bottom: 50px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.hero p {
  color: #c5cfdb;
  font-size: 1.05rem;
  max-width: 48ch;
  margin: 0 0 16px;
}

.hero .btn {
  border-color: #ffffff;
  color: #ffffff;
}

.hero .btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.hero .btn.pri {
  background: var(--acc);
  border-color: var(--acc);
  color: #14202e;
}

.hero .btn.pri:hover {
  background: var(--acc-hover);
  border-color: var(--acc-hover);
}

.ph {
  background: #1c2b3d url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cpath d='M36 8 18 36h12l-4 20 20-30H33z' fill='%23f2b705' opacity='.45'/%3E%3C/svg%3E") center/70px no-repeat;
  border-radius: var(--r);
  aspect-ratio: 4/3;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  position: relative;
}

.ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.ph.ph-fallback {
  background: #1c2b3d url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cpath d='M36 8 18 36h12l-4 20 20-30H33z' fill='%23f2b705' opacity='.55'/%3E%3C/svg%3E") center/80px no-repeat;
}

section {
  padding: 48px 0;
}

h2 {
  font-size: 1.85rem;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.sub {
  color: var(--mut);
  font-size: 1.02rem;
  margin: 0 0 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(20, 32, 46, 0.12);
}

.cat-card .ph {
  margin: -18px -18px 14px;
  border-radius: var(--r) var(--r) 0 0;
  aspect-ratio: 16/10;
  box-shadow: none;
}

.cat-card h3 {
  margin: 0 0 6px;
  font-size: 1.2rem;
  color: var(--ink);
}

.cat-card p {
  margin: 0 0 10px;
  color: var(--mut);
  font-size: 0.94rem;
  flex-grow: 1;
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--blue);
  margin-bottom: 6px;
}

.stock-note {
  font-size: 0.82rem;
  font-weight: 600;
  color: #8c5d00;
  background: #fff8e1;
  border: 1px solid #ffe082;
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 14px;
}

@media (prefers-color-scheme: dark) {
  .stock-note {
    color: #f7cb55;
    background: rgba(242, 183, 5, 0.12);
    border-color: rgba(242, 183, 5, 0.25);
  }
}

.acts {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.tools {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

input,
select,
textarea {
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 14px;
  width: 100%;
  transition: border-color 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  outline: none;
}

.tools input {
  flex: 1;
  min-width: 240px;
  width: auto;
}

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.chip {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 7px 16px;
  border-radius: 99px;
  cursor: pointer;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.chip:hover {
  background: rgba(20, 32, 46, 0.06);
}

.chip[aria-pressed="true"] {
  background: var(--ink);
  color: #ffffff;
  border-color: var(--ink);
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

label {
  display: block;
  font-weight: 600;
  margin: 14px 0 6px;
  font-size: 0.95rem;
}

.note {
  font-size: 0.9rem;
  color: var(--mut);
  line-height: 1.5;
  margin-top: 10px;
}

.note-success {
  color: var(--success);
  font-weight: 600;
}

.empty {
  color: var(--mut);
  font-size: 1.1rem;
  padding: 24px;
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: var(--r);
  text-align: center;
}

.info-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 20px;
  box-shadow: var(--shadow);
}

footer {
  background: #14202e;
  color: #b9c4d1;
  padding: 32px 0;
  font-size: 0.94rem;
  border-top: 1px solid #223246;
}

footer strong {
  color: #ffffff;
}

footer a {
  color: #ffffff;
}

@media (max-width: 768px) {
  .hero .wrap,
  .two {
    grid-template-columns: 1fr;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  nav {
    margin-left: 0;
    width: 100%;
  }
  nav a {
    flex: 1;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .ph img,
  .card,
  .btn,
  .chip {
    transition: none !important;
  }
}