:root {
  --ink: #111111;
  --muted: #575757;
  --line: #d9d6d0;
  --line-strong: #c8c1b6;
  --paper: #f6f3ed;
  --paper-deep: #ebe5db;
  --white: #ffffff;
  --red: #b82018;
  --red-dark: #97170f;
  --green: #2f7d3d;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(17, 17, 17, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
  color: var(--ink);
  line-height: 1.5;
}

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

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 4px;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 28px;
  background: rgba(246, 243, 237, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 52px;
  height: 52px;
  padding: 3px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  box-shadow: 0 8px 22px rgba(17, 17, 17, 0.08);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.main-nav a {
  text-decoration: none;
}

.main-nav a:hover {
  color: var(--red);
}

.hero {
  position: relative;
  min-height: calc(100vh - 69px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #000;
}

.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.56;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.64) 52%, rgba(0, 0, 0, 0.34)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.12));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 9vh;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(42px, 5.4vw, 72px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.hero-copy {
  max-width: 720px;
  color: #f2f2f2;
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 760px;
  margin-top: 46px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(17, 17, 17, 0.58);
  backdrop-filter: blur(10px);
}

.hero-metrics div {
  padding: 18px 20px;
}

.hero-metrics div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-metrics strong,
.hero-metrics span {
  display: block;
}

.hero-metrics strong {
  margin-bottom: 2px;
  color: var(--white);
  font-size: 30px;
  line-height: 1;
}

.hero-metrics span {
  color: #d8d8d8;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 22px;
  border: 1px solid currentColor;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.button-primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.button-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.button-secondary {
  background: transparent;
  color: var(--white);
}

.button-secondary:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--ink);
}

.button-secondary.dark {
  color: var(--ink);
}

.button-secondary.dark:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.intro-band,
.section,
.final-cta {
  padding: 96px 0;
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1.15fr);
  gap: 56px;
  align-items: start;
}

.intro-grid p:last-child {
  max-width: 620px;
  color: #2c2c2c;
  font-size: 22px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 40px;
}

.problem-grid,
.case-grid,
.check-grid,
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.problem {
  position: relative;
  min-height: 250px;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 247, 243, 0.96));
  border: 1px solid var(--line-strong);
  box-shadow: 0 18px 45px rgba(17, 17, 17, 0.06);
}

.problem::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 0;
  height: 4px;
  background: var(--red);
  transform: scaleX(0.32);
  transform-origin: left;
}

.problem span,
.step {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--red);
  font-weight: 900;
}

.problem p,
.case-card p,
.audit-grid p,
.method p,
.final-cta p {
  color: var(--muted);
}

.cases-section {
  background: var(--white);
}

.cases-section .section-heading p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

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

.case-card {
  overflow: hidden;
  padding: 30px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}

.case-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
  margin: 0 0 26px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}


.case-card span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--red);
  font-weight: 900;
}

.case-note {
  max-width: 820px;
  margin: 28px 0 0;
  padding: 18px 20px;
  background: var(--paper);
  border-left: 4px solid var(--red);
  color: var(--muted);
}

.professional-hero {
  position: relative;
  min-height: calc(100vh - 69px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #000;
}

.professional-hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
}

.professional-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.66) 54%, rgba(0, 0, 0, 0.28)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.46), rgba(0, 0, 0, 0.1));
}

.professional-hero-content {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 118px 0 72px;
  color: var(--white);
}

.professional-hero h1 {
  max-width: 900px;
}

.professional-target-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.professional-target-grid article {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  box-shadow: 0 18px 45px rgba(17, 17, 17, 0.05);
}

.professional-target-grid span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.professional-target-grid h3 {
  max-width: 560px;
  font-size: 28px;
  line-height: 1.12;
}

.professional-target-grid p {
  color: var(--muted);
}

.professional-target-grid ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding-left: 20px;
}

.professional-target-grid li {
  color: #2c2c2c;
}

.professional-services {
  background: var(--white);
}

.professional-services .section-heading p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.professional-price {
  display: block;
  margin: -6px 0 20px;
  font-size: 34px;
  line-height: 1;
}

.price-card.featured .professional-price {
  color: var(--white);
}

.application-cases {
  background:
    linear-gradient(135deg, rgba(184, 32, 24, 0.08), transparent 38%),
    var(--white);
}

.application-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.application-case-grid article {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}

.application-case-grid span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--red);
  font-weight: 900;
}

.application-case-grid h3 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.15;
}

.application-case-grid p {
  margin: 0;
  color: var(--muted);
}

.application-case-grid strong {
  color: var(--ink);
}

.visual-case {
  padding: 94px 0;
  background: var(--ink);
  color: var(--white);
  border-bottom: 1px solid var(--line);
}

.visual-layout,
.audit-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 48px;
  align-items: center;
}

.audit-figure {
  margin: 0;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  box-shadow: 0 24px 70px rgba(17, 17, 17, 0.12);
}

.audit-figure img {
  border: 1px solid var(--line);
}

.audit-figure figcaption {
  padding: 12px 4px 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.visual-layout p {
  color: #d9d9d9;
  font-size: 18px;
}

.protocol {
  background:
    linear-gradient(135deg, #171717, #20201e);
  color: var(--white);
}

.protocol .section-heading h2 {
  color: var(--white);
}

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

.check-item {
  position: relative;
  padding: 22px 24px;
  background: #242424;
  border: 1px solid #3a3a3a;
  font-size: 20px;
  font-weight: 800;
}

.check-item::before {
  content: "✓";
  color: var(--red);
  margin-right: 10px;
}

.audit-section {
  background:
    linear-gradient(180deg, var(--white), #f7f5ef);
}

.deliverables {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.deliverables li {
  padding: 14px 16px;
  border-left: 4px solid var(--red);
  background: var(--paper);
}

.fit-section {
  background: var(--paper-deep);
}

.fit-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.fit-list {
  display: grid;
  gap: 14px;
}

.fit-list p {
  margin: 0;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  color: #2c2c2c;
  font-size: 18px;
}

.material-section {
  background: #f9f8f4;
}

.material-grid,
.faq-grid,
.split-grid,
.payment-grid,
.service-hero-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 48px;
  align-items: start;
}

.material-grid p {
  color: var(--muted);
  font-size: 18px;
}

.material-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.material-list div {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  font-weight: 800;
}

.method {
  background: var(--white);
}

.method-grid > div {
  position: relative;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}

.step {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  background: var(--ink);
  color: var(--white);
}

.faq-section {
  background: var(--paper);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: var(--white);
  border: 1px solid var(--line-strong);
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 20px;
  font-size: 18px;
  font-weight: 800;
}

.faq-list details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.pricing-section {
  background: var(--white);
}

.pricing-section .section-heading p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.price-card {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}

.price-card.featured {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.price-label {
  margin-bottom: 18px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.price-card.featured .price-label {
  color: #ff6a60;
}

.price-card h3 {
  margin-bottom: 16px;
  font-size: 48px;
  line-height: 1;
}

.price-card p:not(.price-label) {
  color: var(--muted);
}

.price-card.featured p:not(.price-label) {
  color: #e7e7e7;
}

.price-card ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.price-card li {
  padding-top: 10px;
  border-top: 1px solid var(--line-strong);
  color: #2c2c2c;
}

.price-card.featured li {
  border-top-color: #3a3a3a;
  color: #f1f1f1;
}

.pricing-note {
  max-width: 860px;
  margin: 26px 0 0;
  color: var(--muted);
}

.level-explainer {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.level-explainer article {
  padding: 28px;
  background: #fdfbf7;
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--red);
}

.level-explainer span {
  display: block;
  margin-bottom: 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.level-explainer h3 {
  margin: 0 0 12px;
  font-size: 30px;
}

.level-explainer p {
  margin: 0;
  color: var(--muted);
}

.level-explainer ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 20px;
}

.level-explainer li {
  color: #2c2c2c;
}

.additional-levels {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 24px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.additional-levels h3 {
  margin: 0;
  font-size: 30px;
  line-height: 1.08;
}

.additional-level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.additional-level-grid article {
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}

.additional-level-grid span {
  display: block;
  margin-bottom: 12px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.additional-level-grid h4 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.12;
}

.additional-level-grid strong {
  display: block;
  margin-bottom: 14px;
  font-size: 34px;
  line-height: 1;
}

.additional-level-grid p {
  margin: 0;
  color: var(--muted);
}

.additional-level-grid ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding-left: 18px;
}

.additional-level-grid li {
  color: #2c2c2c;
}

.text-link {
  display: inline-block;
  margin-top: 22px;
  color: var(--red);
  font-weight: 900;
  text-decoration: none;
}

.text-link:hover {
  color: var(--red-dark);
}

.service-hero {
  padding: 96px 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.service-hero h1 {
  color: var(--ink);
}

.service-hero p:not(.eyebrow) {
  max-width: 700px;
  color: var(--muted);
  font-size: 22px;
}

.payment-section {
  background: var(--ink);
  color: var(--white);
}

.payment-section h2 {
  color: var(--white);
}

.payment-section p:not(.eyebrow) {
  color: #e2e2e2;
  font-size: 18px;
}

.payment-card {
  padding: 30px;
  background: #242424;
  border: 1px solid #3a3a3a;
}

.payment-card h3 {
  margin-bottom: 20px;
  color: var(--white);
  font-size: 54px;
}

.payment-card ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
}

.payment-card li {
  color: #ededed;
}

.professional-note {
  padding: 34px 0;
  background: #171717;
  color: var(--white);
  border-bottom: 1px solid #2d2d2d;
}

.professional-note p {
  max-width: 960px;
  margin: 0;
  color: #e0e0e0;
}

.final-cta {
  text-align: center;
  background:
    linear-gradient(135deg, rgba(184, 32, 24, 0.26), transparent 40%),
    var(--ink);
  color: var(--white);
}

.final-cta .container {
  max-width: 820px;
}

.final-cta p:not(.eyebrow) {
  margin: 0 auto 30px;
  color: #e8e8e8;
  font-size: 20px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 28px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--red);
}

.cookie-banner {
  position: fixed;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 960px;
  margin: 0 auto;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  box-shadow: 0 22px 70px rgba(17, 17, 17, 0.18);
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner strong {
  display: block;
  margin-bottom: 4px;
}

.cookie-banner p {
  margin: 0;
  color: var(--muted);
}

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-button {
  min-width: 104px;
  padding: 12px 16px;
  border: 1px solid var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.cookie-button.primary {
  background: var(--ink);
  color: var(--white);
}

.cookie-button.secondary {
  background: var(--white);
  color: var(--ink);
}

.policy-hero {
  padding: 96px 0 52px;
  background: var(--ink);
  color: var(--white);
}

.policy-hero h1 {
  max-width: 860px;
  margin: 0 0 14px;
  font-size: clamp(44px, 8vw, 86px);
  line-height: 0.95;
  letter-spacing: 0;
}

.policy-hero p:not(.eyebrow) {
  margin: 0;
  color: #e0e0e0;
}

.policy-content {
  padding: 70px 0;
}

.policy-grid {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 44px;
}

.policy-grid aside {
  padding: 22px;
  background: var(--white);
  border-left: 5px solid var(--red);
  align-self: start;
}

.policy-grid aside p {
  margin: 0;
  color: var(--muted);
}

.policy-text {
  display: grid;
  gap: 24px;
}

.policy-text h2 {
  margin: 0 0 -12px;
  font-size: 24px;
}

.policy-text p {
  margin: 0;
  color: var(--muted);
}

.policy-text a {
  color: var(--red);
  font-weight: 800;
}

@media (max-width: 880px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .main-nav {
    flex-wrap: wrap;
  }

  .hero {
    min-height: 84vh;
  }

  .professional-hero {
    min-height: 84vh;
  }

  .hero::after {
    background: rgba(0, 0, 0, 0.68);
  }

  .professional-hero::after {
    background: rgba(0, 0, 0, 0.7);
  }

  .hero-content {
    padding-bottom: 80px;
  }

  .professional-hero-content {
    padding: 92px 0 64px;
  }

  .intro-grid,
  .visual-layout,
  .audit-grid,
  .fit-grid,
  .material-grid,
  .faq-grid,
  .split-grid,
  .payment-grid,
  .service-hero-grid,
  .policy-grid,
  .problem-grid,
  .level-explainer,
  .additional-levels,
  .additional-level-grid,
  .application-case-grid,
  .professional-target-grid,
  .case-grid,
  .pricing-grid,
  .method-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .intro-band,
  .section,
  .final-cta {
    padding: 58px 0;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-actions {
    width: 100%;
  }

  .cookie-button {
    flex: 1;
  }
}

@media (max-width: 520px) {
  .container,
  .hero-content,
  .professional-hero-content {
    width: min(100% - 28px, 1120px);
  }

  .button {
    width: 100%;
  }

  .problem,
  .case-card,
  .professional-target-grid article,
  .method-grid > div,
  .fit-list p {
    padding: 22px;
  }

  .material-list {
    grid-template-columns: 1fr;
  }

  .case-card img {
    width: calc(100% + 44px);
    margin: -22px -22px 22px;
  }

  .main-nav {
    gap: 14px;
    font-size: 13px;
  }
}