:root {
  --blue-900: #0a1733;
  --blue-800: #102046;
  --blue-700: #16306b;
  --blue-600: #1e44a3;
  --blue-500: #2b5bd7;
  --blue-400: #4f7bf0;
  --accent-500: #00c2a8;
  --accent-400: #2fe0c6;
  --violet-500: #7b5cff;
  --ink-900: #0b1220;
  --ink-700: #2c3346;
  --ink-500: #59617a;
  --ink-400: #7b8298;
  --line: #e6e9f2;
  --bg: #ffffff;
  --bg-soft: #f5f7fc;
  --bg-card: #ffffff;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(16, 32, 70, 0.06), 0 2px 8px rgba(16, 32, 70, 0.05);
  --shadow-md: 0 8px 24px rgba(16, 32, 70, 0.09);
  --shadow-lg: 0 24px 60px rgba(16, 32, 70, 0.16);
  --gradient: linear-gradient(120deg, var(--blue-600) 0%, var(--blue-500) 45%, var(--violet-500) 100%);
  --gradient-accent: linear-gradient(120deg, var(--accent-500) 0%, var(--blue-500) 100%);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --maxw: 1180px;
  --header-h: 72px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink-700);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--blue-600);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--blue-500);
}

h1, h2, h3, h4, h5 {
  color: var(--ink-900);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-dark {
  background: var(--blue-900);
  color: #c7d2ee;
}

.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-500);
  background: rgba(43, 91, 215, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-dark .eyebrow {
  color: var(--accent-400);
  background: rgba(0, 194, 168, 0.12);
}

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin-bottom: 16px;
}

.section-head p {
  color: var(--ink-500);
  font-size: 1.05rem;
}

.section-dark .section-head p {
  color: #b6c2e2;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 10px 24px rgba(43, 91, 215, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(43, 91, 215, 0.42);
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: #fff;
  color: var(--blue-600);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--blue-400);
  color: var(--blue-500);
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--blue-700);
}

.btn-light:hover {
  background: #eef2ff;
  color: var(--blue-700);
  transform: translateY(-2px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  border-color: var(--line);
}

.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 1.22rem;
  color: var(--ink-900);
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--ink-900);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 6px 16px rgba(43, 91, 215, 0.34);
}

.brand span b {
  color: var(--blue-500);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--ink-700);
  font-weight: 500;
  font-size: 0.94rem;
  padding: 9px 13px;
  border-radius: 9px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover {
  background: var(--bg-soft);
  color: var(--blue-600);
}

.nav-links a.active {
  color: var(--blue-600);
  background: rgba(43, 91, 215, 0.08);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta .btn {
  padding: 10px 20px;
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 11px;
  cursor: pointer;
  position: relative;
}

.hamburger span,
.hamburger span::before,
.hamburger span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 20px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease;
}

.hamburger span {
  top: 50%;
  margin-top: -1px;
}

.hamburger span::before {
  top: -7px;
}

.hamburger span::after {
  top: 7px;
}

.hamburger.open span {
  background: transparent;
}

.hamburger.open span::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.hamburger.open span::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 999;
  padding: 16px 24px 26px;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  display: block;
  padding: 13px 12px;
  color: var(--ink-700);
  font-weight: 500;
  border-radius: 10px;
  border-bottom: 1px solid var(--bg-soft);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--bg-soft);
  color: var(--blue-600);
}

.mobile-menu .btn {
  width: 100%;
  margin-top: 16px;
}

.hero {
  position: relative;
  padding: calc(var(--header-h) + 70px) 0 90px;
  background:
    radial-gradient(900px 500px at 88% -10%, rgba(123, 92, 255, 0.16), transparent 60%),
    radial-gradient(800px 500px at -5% 10%, rgba(0, 194, 168, 0.12), transparent 55%),
    var(--bg-soft);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 15px 7px 9px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-700);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: var(--gradient-accent);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.65rem);
  line-height: 1.07;
  margin-bottom: 22px;
  color: var(--ink-900);
}

.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero p.lead {
  font-size: 1.14rem;
  color: var(--ink-500);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
}

.hero-stats .stat strong {
  display: block;
  font-size: 1.7rem;
  color: var(--ink-900);
  font-weight: 800;
}

.hero-stats .stat span {
  font-size: 0.86rem;
  color: var(--ink-400);
  font-weight: 500;
}

.hero-visual {
  position: relative;
}

.dashboard-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 22px;
  position: relative;
  z-index: 2;
}

.dash-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}

.dash-top .dash-title {
  font-weight: 700;
  color: var(--ink-900);
  font-size: 1.02rem;
}

.dash-top .dash-sub {
  font-size: 0.8rem;
  color: var(--ink-400);
}

.dash-pill {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-500);
  background: rgba(0, 194, 168, 0.12);
  padding: 5px 11px;
  border-radius: 999px;
}

.progress-row {
  margin-bottom: 16px;
}

.progress-row:last-child {
  margin-bottom: 0;
}

.progress-row .pr-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  margin-bottom: 7px;
}

.progress-row .pr-head span:first-child {
  color: var(--ink-700);
  font-weight: 600;
}

.progress-row .pr-head span:last-child {
  color: var(--ink-400);
  font-weight: 600;
}

.bar {
  height: 9px;
  border-radius: 999px;
  background: var(--bg-soft);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--gradient);
  width: 0;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.float-card {
  position: absolute;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  padding: 13px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
}

.float-card .fc-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: #fff;
  background: var(--gradient-accent);
}

.float-card strong {
  display: block;
  font-size: 0.92rem;
  color: var(--ink-900);
}

.float-card span {
  font-size: 0.76rem;
  color: var(--ink-400);
}

.float-1 {
  top: -26px;
  right: -10px;
  animation: floaty 5s ease-in-out infinite;
}

.float-2 {
  bottom: -24px;
  left: -18px;
  animation: floaty 6s ease-in-out infinite 0.6s;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.logos {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 30px 0;
}

.logos-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 44px;
}

.logos-inner .label {
  width: 100%;
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-400);
  font-weight: 700;
  margin-bottom: 4px;
}

.logos-inner .logo-item {
  font-weight: 700;
  color: var(--ink-400);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.8;
}

.grid {
  display: grid;
  gap: 26px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  height: 100%;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(43, 91, 215, 0.25);
}

.icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.45rem;
  margin-bottom: 20px;
  background: rgba(43, 91, 215, 0.1);
  color: var(--blue-600);
}

.icon-box.green { background: rgba(0, 194, 168, 0.12); color: var(--accent-500); }
.icon-box.violet { background: rgba(123, 92, 255, 0.12); color: var(--violet-500); }
.icon-box.gradient { background: var(--gradient); color: #fff; }

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--ink-500);
  font-size: 0.97rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--blue-600);
}

.card-link svg,
.card-link span.arrow {
  transition: transform 0.2s ease;
}

.card:hover .card-link span.arrow {
  transform: translateX(4px);
}

.course-card {
  display: flex;
  flex-direction: column;
}

.course-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 11px;
  border-radius: 999px;
  text-transform: uppercase;
}

.tag-beginner { background: rgba(0, 194, 168, 0.14); color: #088a78; }
.tag-intermediate { background: rgba(43, 91, 215, 0.12); color: var(--blue-600); }
.tag-advanced { background: rgba(123, 92, 255, 0.14); color: #5f43d6; }

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 16px 0 18px;
  font-size: 0.85rem;
  color: var(--ink-400);
  font-weight: 500;
}

.course-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.course-meta b {
  color: var(--ink-700);
  font-weight: 600;
}

.list-check {
  margin-top: 6px;
}

.list-check li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-size: 0.93rem;
  color: var(--ink-500);
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 194, 168, 0.16);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300c2a8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 11px;
}

.divider-line {
  height: 1px;
  background: var(--line);
  margin: 18px 0;
}

.subhead {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--ink-400);
  margin-bottom: 10px;
}

.skill-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.skill-block:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skill-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.skill-level {
  display: flex;
  gap: 5px;
}

.skill-level i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.skill-level i.on {
  background: var(--gradient);
}

.step-list {
  counter-reset: step;
}

.step-list li {
  position: relative;
  padding-left: 50px;
  margin-bottom: 18px;
}

.step-list li:last-child {
  margin-bottom: 0;
}

.step-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 0.92rem;
}

.step-list li h4 {
  font-size: 1.02rem;
  margin-bottom: 3px;
}

.step-list li p {
  color: var(--ink-500);
  font-size: 0.94rem;
}

.tips-grid .tip {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.tip .tip-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(43, 91, 215, 0.1);
  color: var(--blue-600);
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
}

.tip h3 {
  font-size: 1.08rem;
  margin-bottom: 6px;
}

.tip p {
  color: var(--ink-500);
  font-size: 0.95rem;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.why-points li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.why-points li:last-child {
  margin-bottom: 0;
}

.why-points .wp-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(123, 92, 255, 0.12);
  color: var(--violet-500);
  font-size: 1.2rem;
}

.why-points h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.why-points p {
  color: var(--ink-500);
  font-size: 0.95rem;
}

.stat-panel {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.stat-panel .sp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.stat-panel .sp-item strong {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
}

.stat-panel .sp-item span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
}

.stat-panel .sp-note {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.86);
}

.faq {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.faq-item.open {
  box-shadow: var(--shadow-sm);
  border-color: rgba(43, 91, 215, 0.3);
}

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
}

.faq-q .chev {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: grid;
  place-items: center;
  transition: transform 0.25s ease, background 0.25s ease;
  color: var(--blue-600);
  font-size: 1rem;
}

.faq-item.open .chev {
  transform: rotate(45deg);
  background: var(--gradient);
  color: #fff;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-a p {
  padding: 0 24px 22px;
  color: var(--ink-500);
  font-size: 0.97rem;
}

.cta-band {
  position: relative;
  background: var(--blue-900);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 80% -20%, rgba(123, 92, 255, 0.45), transparent 60%),
    radial-gradient(500px 300px at 10% 120%, rgba(0, 194, 168, 0.35), transparent 60%);
}

.cta-band > * {
  position: relative;
  z-index: 2;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-band p {
  color: #c2cdec;
  max-width: 580px;
  margin: 0 auto 30px;
  font-size: 1.05rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.newsletter {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.newsletter h2 {
  font-size: 1.9rem;
  margin-bottom: 12px;
}

.newsletter p {
  color: var(--ink-500);
}

.news-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.news-form .field {
  flex: 1;
  min-width: 220px;
}

.input,
textarea,
select {
  width: 100%;
  font-family: inherit;
  font-size: 0.98rem;
  color: var(--ink-900);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 14px 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input::placeholder,
textarea::placeholder {
  color: var(--ink-400);
}

.input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--blue-400);
  box-shadow: 0 0 0 4px rgba(43, 91, 215, 0.12);
}

.form-note {
  font-size: 0.84rem;
  color: var(--ink-400);
  margin-top: 12px;
}

.form-msg {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 11px;
  font-size: 0.92rem;
  font-weight: 500;
  display: none;
}

.form-msg.show {
  display: block;
}

.form-msg.success {
  background: rgba(0, 194, 168, 0.12);
  color: #07735f;
  border: 1px solid rgba(0, 194, 168, 0.3);
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 7px;
}

.field .err {
  display: none;
  color: #d23b4e;
  font-size: 0.83rem;
  margin-top: 6px;
}

.field.invalid .input,
.field.invalid textarea,
.field.invalid select {
  border-color: #e4677a;
  box-shadow: 0 0 0 4px rgba(226, 103, 122, 0.12);
}

.field.invalid .err {
  display: block;
}

.page-hero {
  padding: calc(var(--header-h) + 64px) 0 64px;
  background:
    radial-gradient(700px 360px at 90% -20%, rgba(123, 92, 255, 0.14), transparent 60%),
    radial-gradient(600px 360px at -5% 0%, rgba(0, 194, 168, 0.1), transparent 55%),
    var(--bg-soft);
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.1rem);
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--ink-500);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--ink-400);
  margin-bottom: 20px;
}

.breadcrumb a { color: var(--ink-400); }
.breadcrumb a:hover { color: var(--blue-600); }
.breadcrumb span { color: var(--blue-600); font-weight: 600; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.value-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  align-items: flex-start;
}

.value-list .vl-mark {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--gradient);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  margin-top: 2px;
}

.value-list h4 { font-size: 1.02rem; margin-bottom: 2px; }
.value-list p { color: var(--ink-500); font-size: 0.94rem; }

.method-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.method-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.method-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.method-head .icon-box {
  margin-bottom: 0;
}

.method-head h3 { font-size: 1.25rem; }
.method-head .when {
  font-size: 0.82rem;
  color: var(--accent-500);
  font-weight: 600;
}

.info-banner {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(43, 91, 215, 0.06);
  border: 1px solid rgba(43, 91, 215, 0.16);
  border-radius: var(--radius);
  padding: 22px 26px;
}

.info-banner .ib-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--gradient);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
}

.info-banner h4 { font-size: 1.02rem; margin-bottom: 4px; }
.info-banner p { color: var(--ink-500); font-size: 0.93rem; }

.legal {
  max-width: 860px;
  margin: 0 auto;
}

.legal .updated {
  color: var(--ink-400);
  font-size: 0.9rem;
  margin-bottom: 34px;
}

.legal h2 {
  font-size: 1.4rem;
  margin: 36px 0 12px;
}

.legal h3 {
  font-size: 1.1rem;
  margin: 24px 0 8px;
}

.legal p {
  color: var(--ink-500);
  margin-bottom: 14px;
}

.legal ul {
  margin: 0 0 16px 0;
}

.legal ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
  color: var(--ink-500);
}

.legal ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-500);
}

.toc {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 40px;
}

.toc h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-400);
  margin-bottom: 12px;
}

.toc ol {
  list-style: none;
  counter-reset: toc;
  columns: 2;
  column-gap: 30px;
}

.toc ol li {
  counter-increment: toc;
  margin-bottom: 8px;
  font-size: 0.93rem;
}

.toc ol li a::before {
  content: counter(toc) ". ";
  color: var(--blue-500);
  font-weight: 700;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 44px;
  align-items: start;
}

.contact-info .ci-item {
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
  align-items: flex-start;
}

.contact-info .ci-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(43, 91, 215, 0.1);
  color: var(--blue-600);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
}

.contact-info h4 { font-size: 1.02rem; margin-bottom: 3px; }
.contact-info p { color: var(--ink-500); font-size: 0.94rem; }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 38px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.site-footer {
  background: var(--blue-900);
  color: #aab6d6;
  padding: 72px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.92rem;
  color: #93a1c6;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-col ul li {
  margin-bottom: 11px;
}

.footer-col a {
  color: #93a1c6;
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: #fff;
}

.footer-news p {
  font-size: 0.92rem;
  color: #93a1c6;
  margin-bottom: 14px;
}

.footer-news .news-form .input {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.footer-news .news-form .input::placeholder {
  color: #7e8db3;
}

.footer-news .form-msg.success {
  background: rgba(0, 194, 168, 0.16);
  color: #6ff0db;
  border-color: rgba(0, 194, 168, 0.3);
}

.footer-disclaimer {
  font-size: 0.84rem;
  color: #7e8db3;
  line-height: 1.7;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 26px;
  font-size: 0.86rem;
  color: #7e8db3;
}

.footer-bottom .fb-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom a {
  color: #93a1c6;
}

.footer-bottom a:hover {
  color: #fff;
}

.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: var(--gradient);
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  z-index: 900;
  display: grid;
  place-items: center;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.prose p {
  color: var(--ink-500);
  margin-bottom: 16px;
}

.prose h3 {
  font-size: 1.3rem;
  margin: 28px 0 10px;
}

.lead-text {
  font-size: 1.12rem;
  color: var(--ink-700);
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 460px; margin: 0 auto; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .split, .newsletter, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .newsletter { padding: 36px; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta .btn { display: none; }
  .hamburger { display: block; }
  .section { padding: 64px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .cta-band { padding: 44px 26px; }
  .stat-panel { padding: 30px; }
  .toc ol { columns: 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-news { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
  .stat-panel .sp-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-card { display: none; }
  .card, .skill-block, .method-card, .form-card { padding: 24px; }
}