:root {
  --bg: #f0f4f8;
  --bg-deep: #dce4ec;
  --paper: #ffffff;
  --ink: #1a2834;
  --ink-soft: #4a5f6f;
  --blue: #2d6a8f;
  --blue-light: #4a90b8;
  --accent: #c4783a;
  --accent-soft: #f5e8dc;
  --serif: "Literata", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
  --r: 14px;
  --shadow: 0 12px 40px rgba(26, 40, 52, 0.1);
  --wrap: 1140px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
}

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

a {
  color: var(--blue);
  text-underline-offset: 3px;
}

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(240, 244, 248, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 106, 143, 0.15);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

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

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.menu a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

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

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: none;
  background: none;
  padding: 8px;
  cursor: pointer;
}

.burger span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 3.5rem 0 4.5rem;
  background: linear-gradient(145deg, #e3eef5 0%, var(--bg) 50%, var(--accent-soft) 100%);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.kicker {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.12;
  margin: 0 0 1rem;
  font-weight: 600;
}

.intro {
  margin: 0 0 1.75rem;
  color: var(--ink-soft);
  font-size: 1.12rem;
  max-width: 38ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn.main {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 20px rgba(45, 106, 143, 0.35);
}

.btn.main:hover {
  background: #245a78;
  color: #fff;
  transform: translateY(-2px);
}

.btn.outline {
  border: 2px solid var(--blue);
  color: var(--blue);
}

.btn.outline:hover {
  background: rgba(45, 106, 143, 0.08);
}

.hero-img {
  margin: 0;
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* Blocks */
.block {
  padding: 4rem 0;
}

.block-title {
  margin-bottom: 2.25rem;
}

.block-title.center {
  text-align: center;
  max-width: 44rem;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.num {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue-light);
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.block-title h2 {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  margin: 0;
  font-weight: 600;
}

.block-title .lead {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
}

/* About */
.about {
  background: var(--paper);
}

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.tile {
  padding: 1.75rem;
  background: var(--bg);
  border-radius: var(--r);
  border-top: 3px solid var(--blue);
}

.tile h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.tile p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

/* Methods */
.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.method {
  background: var(--paper);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.method img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.method-text {
  padding: 1.4rem 1.5rem 1.6rem;
  flex: 1;
}

.method-text h3 {
  font-family: var(--serif);
  font-size: 1.22rem;
  margin: 0 0 0.6rem;
}

.method-text p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.7rem;
  background: #e8f2f8;
  color: var(--blue);
  border-radius: 4px;
}

.method-feature {
  grid-column: 1 / -1;
  flex-direction: row;
}

.method-feature img {
  width: 40%;
  min-height: 200px;
  aspect-ratio: auto;
}

.method-feature .method-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Care */
.care {
  background: var(--bg-deep);
}

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

.step {
  background: var(--paper);
  padding: 1.5rem;
  border-radius: var(--r);
  border-left: 4px solid var(--accent);
}

.step-n {
  display: block;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

/* Alert */
.alert-inner {
  background: var(--accent-soft);
  border: 1px solid #e0c4a8;
  border-radius: calc(var(--r) + 2px);
  padding: 2.25rem 2.5rem;
}

.alert-list {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
}

.alert-list li {
  margin-bottom: 0.45rem;
}

.note {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px dashed #d4b896;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

/* FAQ */
.faq {
  background: var(--paper);
}

.accordion {
  max-width: 42rem;
  margin-inline: auto;
}

.accordion details {
  border-bottom: 1px solid var(--bg-deep);
  padding: 1rem 0;
}

.accordion summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  padding-right: 2rem;
  position: relative;
}

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

.accordion summary::after {
  content: "+";
  position: absolute;
  right: 0;
  color: var(--blue);
  font-size: 1.3rem;
  line-height: 1;
}

.accordion details[open] summary::after {
  content: "−";
}

.accordion p {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
}

/* Footer */
.footer {
  background: var(--ink);
  color: #c8d4de;
  padding-top: 3rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

.footer-name {
  font-family: var(--serif);
  font-size: 1.45rem;
  margin: 0;
}

.footer-link a {
  color: #8ec4e0;
  text-decoration: none;
}

.footer-desc {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  opacity: 0.85;
  max-width: 30ch;
}

.footer-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.6;
  margin: 0 0 0.6rem;
}

.footer a {
  color: #b8d8ec;
  text-decoration: none;
}

.footer-menu {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.2rem 0;
  font-size: 0.85rem;
  opacity: 0.55;
}

.footer-copy p {
  margin: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-layout,
  .tiles,
  .method-grid,
  .care-steps,
  .footer-cols {
    grid-template-columns: 1fr;
  }

  .method-feature {
    flex-direction: column;
  }

  .method-feature img {
    width: 100%;
  }

  .menu {
    display: none;
    position: absolute;
    inset: 100% 0 auto;
    flex-direction: column;
    background: var(--bg);
    padding: 1rem 1.5rem 1.25rem;
    border-bottom: 1px solid rgba(45, 106, 143, 0.15);
    box-shadow: var(--shadow);
  }

  .menu.open {
    display: flex;
  }

  .burger {
    display: flex;
  }

  .site-header .wrap {
    position: relative;
  }
}