:root {
  color-scheme: light;
  --ink: #17202f;
  --muted: #5d6a7a;
  --quiet: #7c8796;
  --paper: #f6f3ee;
  --surface: #ffffff;
  --surface-soft: #fbfaf7;
  --line: rgba(23, 32, 47, 0.14);
  --deep: #162033;
  --blue: #2457d6;
  --green: #0f7f6f;
  --whatsapp: #128c7e;
  --rose: #b64255;
  --gold: #a66a00;
  --lane-color: var(--blue);
  --shadow: 0 16px 38px rgba(23, 32, 47, 0.12);
  font-family: Avenir Next, Avenir, Segoe UI, Helvetica Neue, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  overflow-x: hidden;
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: break-word;
}

p,
span,
a,
button,
strong {
  line-height: 1.55;
  overflow-wrap: break-word;
}

main,
section,
article,
div,
figure {
  min-width: 0;
}

.skip-link {
  position: fixed;
  left: 14px;
  top: 14px;
  z-index: 80;
  transform: translateY(-180%);
  padding: 10px 14px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--surface);
  font-weight: 850;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px clamp(16px, 4vw, 54px);
  border-bottom: 1px solid rgba(23, 32, 47, 0.1);
  background: rgba(246, 243, 238, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: grid;
  gap: 1px;
  text-decoration: none;
}

.brand span {
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 920;
}

.brand strong {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 760;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-header nav::-webkit-scrollbar {
  display: none;
}

.site-header nav a {
  flex: 0 0 auto;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  color: #2a3446;
  font-size: 0.82rem;
  font-weight: 820;
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  background: var(--surface);
  outline: 2px solid rgba(15, 127, 111, 0.18);
}

.hero,
.offer-strip,
.product-guide,
.sample-studio,
.pricing-section,
.whatsapp-section,
.materials-section,
.service-rules,
.faq-section,
.site-footer {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 40px);
  padding-right: clamp(16px, 4vw, 40px);
}

.hero {
  min-height: min(720px, calc(100dvh - 68px));
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(310px, 1.06fr);
  gap: clamp(24px, 6vw, 62px);
  align-items: center;
  padding-top: clamp(34px, 7vw, 74px);
  padding-bottom: clamp(28px, 6vw, 60px);
}

.hero-copy {
  display: grid;
  gap: 18px;
}

.quiet-label {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 920;
}

.hero h1 {
  max-width: 11.5ch;
  font-size: clamp(3.1rem, 7.6vw, 5.6rem);
  line-height: 0.95;
  font-weight: 950;
}

.hero-copy > p:not(.quiet-label) {
  max-width: 39rem;
  color: #344255;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 660;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 17px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 900;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:focus-visible,
.lane-tab:focus-visible,
.version-card:focus-visible {
  outline: 3px solid rgba(18, 140, 126, 0.32);
  outline-offset: 3px;
}

.button:active {
  transform: translateY(1px);
}

.button.primary {
  border: 1px solid var(--deep);
  background: var(--deep);
  color: #ffffff;
}

.button.secondary {
  border: 1px solid rgba(23, 32, 47, 0.18);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
}

.button.whatsapp-button {
  border-color: #ffffff;
  background: #ffffff;
  color: #0c5d53;
}

.hero-art {
  position: relative;
  min-height: clamp(380px, 46vw, 540px);
}

.hero-art figure {
  overflow: hidden;
  border-radius: 8px;
  background: #e0e4e8;
  box-shadow: var(--shadow);
}

.hero-main {
  position: absolute;
  inset: 3% 10% 5% 0;
}

.hero-small {
  position: absolute;
  border: 7px solid #ffffff;
}

.hero-small.one {
  right: 0;
  top: 12%;
  width: 38%;
  height: 31%;
}

.hero-small.two {
  right: 5%;
  bottom: 0;
  width: 46%;
  height: 28%;
}

.hero-badges {
  position: absolute;
  left: 5%;
  right: 9%;
  bottom: 8%;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  z-index: 2;
}

.hero-badges span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 999px;
  background: rgba(22, 32, 51, 0.8);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 900;
}

.offer-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding-top: 8px;
  padding-bottom: clamp(42px, 7vw, 70px);
}

.offer-strip article {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.offer-strip strong {
  font-size: 1.02rem;
}

.offer-strip span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 630;
}

.sample-studio,
.product-guide,
.pricing-section,
.whatsapp-section,
.materials-section,
.service-rules,
.faq-section {
  padding-top: clamp(44px, 8vw, 84px);
  padding-bottom: clamp(44px, 8vw, 84px);
}

.section-head {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin-bottom: 22px;
}

.section-head.compact {
  max-width: 760px;
}

.section-head h2,
.price-card h2,
.whatsapp-card h2 {
  font-size: clamp(2.28rem, 5.8vw, 4.5rem);
  line-height: 0.99;
  font-weight: 940;
}

.section-head p:not(.quiet-label),
.price-card p:not(.quiet-label),
.whatsapp-card p:not(.quiet-label) {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 650;
}

.lane-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  overflow-x: visible;
  padding: 8px 0 18px;
  scrollbar-width: none;
}

.comparison-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(280px, 1.05fr);
  gap: 16px;
}

.comparison-card {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.comparison-card.starter {
  border-color: rgba(22, 32, 51, 0.34);
  background: var(--deep);
  color: #f8fafc;
}

.comparison-card h3 {
  margin-top: 4px;
  font-size: clamp(2.2rem, 5.8vw, 4rem);
  line-height: 0.98;
  font-weight: 940;
}

.comparison-card p:not(.quiet-label) {
  margin-top: 10px;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 650;
}

.comparison-card dl {
  display: grid;
  gap: 0;
  margin: 0;
}

.comparison-card dl div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.comparison-card dt {
  color: var(--quiet);
  font-size: 0.82rem;
  font-weight: 900;
}

.comparison-card dd {
  margin: 0;
  color: #334155;
  font-size: 0.94rem;
  font-weight: 720;
  line-height: 1.48;
}

.comparison-card .button {
  width: fit-content;
}

.comparison-card.starter .quiet-label,
.comparison-card.starter p:not(.quiet-label),
.comparison-card.starter dt,
.comparison-card.starter dd {
  color: rgba(248, 250, 252, 0.8);
}

.comparison-card.starter dl div {
  border-top-color: rgba(248, 250, 252, 0.18);
}

.comparison-card.starter .button.primary {
  border-color: #ffffff;
  background: #ffffff;
  color: var(--deep);
}

.sample-boundary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.sample-boundary article {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid rgba(15, 127, 111, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.sample-boundary strong {
  font-size: 1rem;
}

.sample-boundary span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 640;
}

.lane-picker::-webkit-scrollbar {
  display: none;
}

.lane-tab {
  flex: 1 1 120px;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(23, 32, 47, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #26364b;
  cursor: pointer;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 900;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.lane-tab.active {
  border-color: var(--lane-color);
  background: var(--lane-color);
  color: #ffffff;
}

.selection-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 16px;
}

.lane-summary {
  display: grid;
  gap: 16px;
  align-content: space-between;
  min-height: 590px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.lane-summary h3 {
  margin: 10px 0;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1;
  font-weight: 930;
}

.lane-summary p:not(.quiet-label) {
  color: var(--muted);
  font-weight: 650;
}

.lane-summary figure {
  min-height: 310px;
  overflow: hidden;
  border-radius: 8px;
  background: #e0e4e8;
}

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

.version-card {
  min-height: 288px;
  display: grid;
  grid-template-rows: 150px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.version-card.dark {
  background: var(--deep);
  color: #f8fafc;
}

.version-card figure {
  background: #dfe4e9;
}

.version-card div {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 14px;
}

.version-card span {
  color: var(--lane-color);
  font-size: 0.76rem;
  font-weight: 920;
}

.version-card.dark span,
.version-card.dark p,
.version-card.dark strong {
  color: rgba(248, 250, 252, 0.78);
}

.version-card h3 {
  font-size: 1.32rem;
  line-height: 1.05;
}

.version-card p {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 620;
}

.version-card strong {
  margin-top: auto;
  color: var(--ink);
  font-size: 0.84rem;
}

.tier-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.92fr) minmax(280px, 1.08fr);
  gap: 16px;
  margin-bottom: 16px;
}

.tier-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.tier-card.featured {
  border-color: rgba(22, 32, 51, 0.34);
  background: var(--deep);
  color: #f8fafc;
}

.tier-card h3 {
  font-size: clamp(3rem, 7vw, 4.8rem);
  line-height: 0.92;
  font-weight: 950;
}

.tier-card p:not(.quiet-label) {
  max-width: 37rem;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 650;
}

.tier-card ul {
  display: grid;
  gap: 0;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.tier-card li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: #334155;
  font-size: 0.94rem;
  font-weight: 780;
}

.tier-card .button {
  width: fit-content;
  margin-top: 2px;
}

.tier-card.featured .quiet-label,
.tier-card.featured p:not(.quiet-label),
.tier-card.featured li {
  color: rgba(248, 250, 252, 0.8);
}

.tier-card.featured li {
  border-top-color: rgba(248, 250, 252, 0.18);
}

.tier-card.featured .button.primary {
  border-color: #ffffff;
  background: #ffffff;
  color: var(--deep);
}

.scope-grid,
.materials-board,
.policy-grid,
.chat-flow,
.faq-grid {
  display: grid;
  gap: 12px;
}

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

.pricing-section .scope-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.scope-grid article,
.materials-board article,
.policy-card,
.chat-flow article,
.faq-grid article {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
}

.scope-grid strong,
.materials-board h3,
.policy-card h3,
.chat-flow strong,
.faq-grid h3 {
  font-size: 1.16rem;
  line-height: 1.1;
}

.scope-grid span,
.materials-board p,
.policy-card p,
.chat-flow span,
.faq-grid p {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 620;
}

.whatsapp-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(0, 1.26fr);
  gap: 16px;
}

.whatsapp-card {
  display: grid;
  gap: 16px;
  align-content: center;
  padding: clamp(24px, 4vw, 36px);
  border-radius: 8px;
  background: #0c5d53;
  color: #ffffff;
}

.whatsapp-card h2 {
  font-size: clamp(2.15rem, 4.2vw, 3.35rem);
}

.whatsapp-card .quiet-label,
.whatsapp-card p:not(.quiet-label) {
  color: rgba(255, 255, 255, 0.82);
}

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

.chat-flow article {
  min-height: 160px;
  border-color: rgba(15, 127, 111, 0.2);
}

.materials-board {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.policy-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.policy-card {
  min-height: 260px;
  align-content: start;
}

.policy-card.featured {
  border-color: rgba(22, 32, 51, 0.34);
  background: var(--deep);
  color: #f8fafc;
}

.policy-card span {
  width: fit-content;
  padding: 5px 8px;
  border-radius: 999px;
  background: #e6f2ee;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
}

.policy-card.featured span {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.policy-card.featured p {
  color: rgba(248, 250, 252, 0.8);
}

.materials-board article {
  min-height: 220px;
}

.materials-board span {
  width: fit-content;
  padding: 5px 8px;
  border-radius: 999px;
  background: #e6f2ee;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
}

.faq-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.faq-grid article {
  min-height: 190px;
}

.site-footer {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
}

.site-footer span {
  color: var(--green);
  font-weight: 900;
}

.site-footer p {
  max-width: 640px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 620;
  text-align: right;
}

@media (hover: hover) {
  .version-card:hover,
  .button:hover,
  .lane-tab:hover {
    transform: translateY(-1px);
  }

  .version-card:hover {
    border-color: rgba(15, 127, 111, 0.35);
    box-shadow: 0 12px 26px rgba(23, 32, 47, 0.1);
  }
}

@media (max-width: 1060px) {
  .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 940px) {
  .hero,
  .selection-panel,
  .comparison-grid,
  .tier-grid,
  .whatsapp-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-art {
    min-height: 500px;
  }

  .offer-strip,
  .sample-boundary,
  .pricing-section .scope-grid,
  .materials-board,
  .policy-grid,
  .chat-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lane-summary {
    min-height: auto;
  }

  .lane-summary figure {
    min-height: 360px;
  }
}

@media (max-width: 700px) {
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
    display: grid;
    gap: 10px;
  }

  .site-header nav {
    width: 100%;
  }

  .site-header nav a {
    flex: 1 1 auto;
  }

  .hero,
  .offer-strip,
  .product-guide,
  .sample-studio,
  .pricing-section,
  .whatsapp-section,
  .materials-section,
  .service-rules,
  .faq-section,
  .site-footer {
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  .hero-art {
    min-height: 430px;
  }

  .hero-main {
    inset: 0 0 18% 0;
  }

  .hero-small.one {
    width: 46%;
    height: 28%;
    top: 7%;
  }

  .hero-small.two {
    width: 58%;
    height: 26%;
    right: 3%;
  }

  .offer-strip,
  .sample-boundary,
  .version-grid,
  .scope-grid,
  .pricing-section .scope-grid,
  .materials-board,
  .policy-grid,
  .chat-flow,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .lane-summary figure {
    min-height: 300px;
  }

  .version-card {
    min-height: auto;
    grid-template-rows: 210px minmax(0, 1fr);
  }

  .materials-board article,
  .policy-card,
  .chat-flow article,
  .faq-grid article {
    min-height: auto;
  }

  .site-footer {
    display: grid;
  }

  .site-footer p {
    text-align: left;
  }
}

@media (max-width: 390px) {
  .hero,
  .product-guide,
  .sample-studio,
  .pricing-section,
  .whatsapp-section,
  .materials-section,
  .service-rules,
  .faq-section {
    padding-left: 12px;
    padding-right: 12px;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .comparison-card dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .comparison-card .button {
    width: 100%;
  }

  .hero-art {
    min-height: 390px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
  }
}