/* ZOLEETEC — a calm, readable company website. */
:root {
  color-scheme: light;
  --paper: #f7f7f2;
  --paper-light: #ffffff;
  --ink: #192c2b;
  --muted: #596b67;
  --green: #176c58;
  --green-dark: #154d41;
  --green-soft: #e4eee6;
  --line: #d6dfd7;
  --focus: #005d48;
  --content-width: 1200px;
  --gutter: clamp(22px, 5vw, 72px);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

[hidden] {
  display: none !important;
}

::selection {
  background: #c4dfcf;
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 5px;
}

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

h1,
h2,
h3 {
  font-weight: 600;
}

svg,
img {
  max-width: 100%;
}

.container {
  width: min(calc(100% - var(--gutter) * 2), var(--content-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 11px 17px;
  border-radius: 3px;
  background: var(--green-dark);
  color: white;
  transform: translateY(-180%);
}

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

.site-header {
  position: relative;
  z-index: 20;
  padding-block: 27px;
  border-bottom: 1px solid var(--line);
}

.site-header > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}

.brand-word {
  font-size: 25px;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: 0.1em;
}

.brand-dot,
.text-accent {
  color: var(--green);
}

.brand-sub {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.07em;
}

.header-right,
.nav {
  display: flex;
  align-items: center;
}

.header-right {
  gap: clamp(22px, 3vw, 43px);
}

.nav {
  gap: clamp(22px, 2.8vw, 38px);
}

.nav a {
  position: relative;
  padding-block: 9px;
  min-height: 44px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  transition: color 160ms ease;
}

.nav a::after {
  position: absolute;
  inset-inline: 0;
  bottom: 2px;
  height: 1px;
  background: var(--green);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--green);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 45px;
  min-height: 38px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: border-color 160ms ease, background 160ms ease;
}

.lang-toggle:hover {
  border-color: var(--green);
  background: var(--green-soft);
}

.menu-toggle {
  position: relative;
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
}

.menu-toggle span {
  position: absolute;
  width: 17px;
  height: 1px;
  background: currentColor;
  transform: translateY(-3px);
}

.menu-toggle span + span {
  transform: translateY(3px);
}

.menu-toggle[aria-expanded="true"] span {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span + span {
  transform: rotate(-45deg);
}

.hero {
  overflow: hidden;
  padding-block: clamp(76px, 9vw, 125px) clamp(82px, 10vw, 144px);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(45px, 6vw, 85px);
}

.eyebrow,
.section-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.5;
  letter-spacing: 0.1em;
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.hero-title {
  margin-top: 26px;
  font-size: clamp(40px, 4.6vw, 64px);
  line-height: 1.28;
  letter-spacing: -0.045em;
  overflow-wrap: break-word;
}

.hero-title em,
.hero-title strong,
.hero-title .accent {
  color: var(--green);
  font-style: normal;
  font-weight: inherit;
}

.hero-copy {
  max-width: 520px;
  margin-top: 27px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 52px;
  padding: 11px 24px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 550;
  line-height: 1.5;
  text-align: center;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

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

.button-primary:hover {
  background: var(--green-dark);
}

.button-outline {
  border-color: #b7c5bb;
  background: transparent;
  color: var(--ink);
}

.button-outline:hover {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--green-dark);
}

.hero-note {
  margin-top: 25px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  isolation: isolate;
}

.visual::before {
  position: absolute;
  inset: 14%;
  z-index: -1;
  border-radius: 50%;
  background: #e7eee6;
  box-shadow: 0 0 90px 36px #e7eee680;
  content: "";
}

.visual-grid {
  position: absolute;
  inset: 4%;
  opacity: 0.65;
  background-image: linear-gradient(#c5d6ca80 1px, transparent 1px), linear-gradient(90deg, #c5d6ca80 1px, transparent 1px);
  background-size: 31px 31px;
  mask-image: radial-gradient(ellipse at center, #000 32%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 32%, transparent 70%);
}

.visual-ring {
  position: absolute;
  inset: 15%;
  border: 1px solid #98bba9;
  border-radius: 50%;
}

.visual-ring-inner {
  inset: 28%;
  border-color: #c8d9cd;
}

.visual-ring::before,
.visual-ring::after {
  position: absolute;
  border: 1px solid #b6cfc0;
  border-radius: 50%;
  content: "";
}

.visual-ring::before {
  inset: 14%;
}

.visual-ring::after {
  inset: -17%;
  border-style: dashed;
  border-color: #b6cfc08c;
}

.visual-ring-inner::before,
.visual-ring-inner::after {
  content: none;
}

.visual-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 32%;
  aspect-ratio: 1;
  border: 1px solid #5d9880;
  border-radius: 24%;
  background: var(--green);
  color: #fff;
  box-shadow: 0 16px 40px #154d4119;
  transform: translate(-50%, -50%) rotate(-8deg);
  text-align: center;
}

.visual-core > * {
  transform: rotate(8deg);
}

.visual-core svg {
  width: 38px;
  height: 38px;
}

.visual-core strong {
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.visual-core span {
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 650;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.visual-core .core-dot {
  color: #b4e1c8;
}

.visual-core small {
  margin-top: 4px;
  color: #cee5d7;
  font-size: 7px;
  letter-spacing: 0.05em;
}

.visual-label {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid #c4d5c9;
  border-radius: 3px;
  background: #f7f9f4;
  color: var(--green-dark);
  box-shadow: 0 4px 15px #19372b05;
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
}

.visual-label::before {
  width: 5px;
  height: 5px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #2e8268;
  content: "";
}

.visual-label svg {
  width: 15px;
  height: 15px;
}

.visual-label-1 {
  top: 13%;
  left: 15%;
}

.visual-label-2 {
  top: 33%;
  right: -2%;
}

.visual-label-3 {
  right: 10%;
  bottom: 12%;
}

.visual-label-4 {
  bottom: 33%;
  left: -2%;
}

.section {
  padding-block: clamp(70px, 7.7vw, 105px);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  align-items: end;
  gap: 60px;
  margin-bottom: 44px;
}

.section-title {
  margin-top: 14px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.section-copy {
  max-width: 460px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.services {
  border-top: 1px solid var(--line);
}

.service-row {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) 165px;
  gap: 20px;
  padding-block: 32px;
  border-bottom: 1px solid var(--line);
}

.service-number {
  padding-top: 3px;
  color: var(--green);
  font-size: 13px;
  font-weight: 550;
  letter-spacing: 0.09em;
}

.service-body {
  display: grid;
  grid-template-columns: minmax(200px, 0.7fr) minmax(0, 1fr);
  align-items: start;
  gap: 12px 40px;
}

.service-title {
  font-size: 23px;
  line-height: 1.5;
  letter-spacing: -0.02em;
}

.service-text {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  grid-column: 3;
  padding-top: 5px;
  gap: 8px 16px;
  color: var(--green);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.035em;
}

.about {
  border-block: 1px solid var(--line);
  background: #eff2eb;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  gap: clamp(45px, 8vw, 115px);
}

.about-heading {
  margin-top: 18px;
  font-size: clamp(28px, 3vw, 39px);
  line-height: 1.5;
  letter-spacing: -0.025em;
}

.about-copy {
  max-width: 490px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.about-copy p + p {
  margin-top: 16px;
}

.company-facts {
  margin: 27px 0 0;
  padding: 0;
  border-top: 1px solid #cbd6cc;
}

.fact {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 20px;
  padding-block: 22px;
  border-bottom: 1px solid #cbd6cc;
}

.fact-label {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.fact-value {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.fact-english {
  color: var(--muted);
  font-size: 12px;
}

.fact-value a:hover {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact {
  padding-block: clamp(70px, 8vw, 110px);
}

.contact-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: 0 65px;
  overflow: hidden;
  padding: clamp(34px, 5vw, 64px);
  background: var(--green-dark);
  color: #fff;
}

.contact-panel::after {
  position: absolute;
  right: -105px;
  bottom: -150px;
  width: 340px;
  height: 340px;
  border: 1px solid #c9e6d825;
  border-radius: 50%;
  box-shadow: 0 0 0 45px #c9e6d809, 0 0 0 90px #c9e6d805;
  content: "";
  pointer-events: none;
}

.contact-panel > * {
  position: relative;
  z-index: 1;
}

.contact-panel .section-kicker {
  grid-column: 1;
  color: #c2dfcf;
}

.contact-heading {
  grid-column: 1;
  margin-top: 15px;
  font-size: clamp(29px, 3.1vw, 40px);
  line-height: 1.5;
  letter-spacing: -0.025em;
}

.contact-copy {
  grid-column: 1;
  max-width: 430px;
  margin-top: 17px;
  color: #d4e5db;
  font-size: 14px;
  line-height: 1.9;
}

.contact-links {
  display: flex;
  grid-column: 2;
  grid-row: 2 / span 2;
  align-self: center;
  flex-direction: column;
  align-items: flex-start;
  gap: 17px;
}

.email-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  max-width: 100%;
  padding-bottom: 9px;
  border-bottom: 1px solid #c2dfcf80;
  font-size: clamp(19px, 2.4vw, 31px);
  line-height: 1.5;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  transition: border-color 160ms ease, color 160ms ease;
}

.email-link svg {
  width: 25px;
  height: 25px;
  flex-shrink: 0;
}

.email-link:hover {
  border-color: #fff;
  color: #d2f1df;
}

.contact-links > p,
.contact-links > span {
  color: #c2dfcf;
  font-size: 12px;
  line-height: 1.8;
}

.contact-panel :focus-visible {
  outline-color: #bcecd0;
}

.site-footer {
  padding-block: 28px;
  border-top: 1px solid var(--line);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px 35px;
}

.site-footer .brand-word {
  font-size: 15px;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 22px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.8;
}

.back-top {
  color: var(--muted);
  font-size: 11px;
}

.back-top:hover {
  color: var(--green);
}

.footer-meta a:hover {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* English copy needs a little more room, without changing the visual hierarchy. */
html[lang="en"] .hero-title {
  font-size: clamp(39px, 4.3vw, 60px);
  line-height: 1.16;
  letter-spacing: -0.05em;
}

html[lang="en"] .hero-copy,
html[lang="en"] .section-copy,
html[lang="en"] .service-text,
html[lang="en"] .about-copy {
  line-height: 1.8;
}

html[lang="en"] .brand-sub {
  font-size: 9px;
  letter-spacing: 0.02em;
}

@media (min-width: 1440px) {
  .hero-layout {
    gap: 90px;
  }
}

@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 32px;
  }

  .hero-title {
    font-size: 45px;
  }

  .hero-copy {
    font-size: 15px;
  }

  .visual-label {
    padding: 7px 9px;
    font-size: 10px;
  }

  .visual-core strong {
    font-size: 11px;
  }

  .visual-core span {
    font-size: 22px;
  }

  .service-body {
    grid-template-columns: minmax(175px, 0.7fr) minmax(0, 1fr);
    gap: 12px 32px;
  }

  .service-row {
    grid-template-columns: 40px minmax(0, 1fr) 120px;
  }

  .contact-panel {
    gap: 32px;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 25px;
  }

  .site-header {
    padding-block: 20px;
  }

  .site-header > .container {
    flex-wrap: wrap;
    gap: 14px;
  }

  .brand-word {
    font-size: 22px;
  }

  .brand-sub {
    font-size: 10px;
  }

  .header-right {
    gap: 9px;
  }

  .nav {
    gap: 18px;
  }

  .nav a {
    font-size: 12px;
  }

  .hero {
    padding-block: 65px 70px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .hero-title {
    max-width: 560px;
    margin-top: 22px;
    font-size: clamp(36px, 7.5vw, 48px);
  }

  .hero-copy {
    max-width: 560px;
    margin-top: 22px;
    font-size: 16px;
  }

  .hero-actions {
    margin-top: 28px;
  }

  .visual {
    justify-self: center;
    width: min(82%, 370px);
    margin-top: 8px;
  }

  .visual-label {
    padding: 8px 10px;
    font-size: 11px;
  }

  .visual-core strong {
    font-size: 13px;
  }

  .visual-core span {
    font-size: 25px;
  }

  .section {
    padding-block: 64px;
  }

  .section-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    margin-bottom: 32px;
  }

  .section-title {
    margin-top: 12px;
    font-size: 31px;
  }

  .section-copy {
    max-width: 580px;
  }

  .service-row {
    grid-template-columns: 35px minmax(0, 1fr);
    gap: 15px;
    padding-block: 27px;
  }

  .service-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .service-title {
    font-size: 21px;
  }

  .service-tags {
    grid-column: 2;
    margin-top: 1px;
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 35px;
  }

  .about-heading {
    font-size: 31px;
  }

  .about-copy {
    max-width: 580px;
  }

  .company-facts {
    max-width: 580px;
  }

  .contact {
    padding-block: 64px;
  }

  .contact-panel {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding: 34px 30px 38px;
  }

  .contact-heading,
  .contact-copy {
    margin-top: 0;
  }

  .contact-links {
    grid-column: 1;
    grid-row: auto;
  }

  .contact-heading {
    font-size: 31px;
  }

  .contact-copy {
    max-width: 540px;
  }

  .email-link {
    font-size: 26px;
  }

  .footer-layout {
    align-items: flex-start;
    flex-direction: column;
    gap: 13px;
  }

  html[lang="en"] .hero-title {
    max-width: 600px;
    font-size: clamp(38px, 7.5vw, 49px);
  }
}

@media (max-width: 540px) {
  .site-header > .container {
    column-gap: 10px;
  }

  .brand-word {
    font-size: 20px;
  }

  .brand-sub {
    font-size: 9px;
  }

  .header-right {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
  }

  .nav {
    position: absolute;
    inset-inline: 0;
    top: calc(100% - 1px);
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 12px var(--gutter) 18px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 0 14px 22px #192c2b06;
  }

  .nav.is-open,
  .nav[data-open="true"],
  .header-right.is-open .nav,
  .site-header.is-open .nav,
  .site-header.menu-open .nav {
    display: flex;
  }

  .nav a {
    min-height: 44px;
    padding-block: 10px;
    font-size: 14px;
  }

  .nav a::after {
    content: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .lang-toggle {
    min-width: 39px;
    min-height: 42px;
    padding-inline: 7px;
  }

  .eyebrow,
  .section-kicker {
    gap: 9px;
    font-size: 11px;
    letter-spacing: 0.065em;
  }

  .hero {
    padding-block: 52px 52px;
  }

  .hero-title {
    font-size: clamp(32px, 8.6vw, 42px);
    line-height: 1.35;
  }

  .hero-copy {
    font-size: 15px;
    line-height: 1.9;
  }

  .button {
    min-height: 49px;
    padding: 11px 19px;
    font-size: 13px;
  }

  .hero-note {
    font-size: 11px;
  }

  .visual {
    width: min(92%, 330px);
    margin-top: 0;
  }

  .visual-label {
    padding: 7px 9px;
    font-size: 10px;
  }

  .visual-core strong {
    font-size: 11px;
  }

  .visual-core span {
    font-size: 22px;
  }

  .section {
    padding-block: 50px;
  }

  .section-title,
  .about-heading {
    font-size: 27px;
  }

  .section-copy,
  .service-text,
  .about-copy {
    font-size: 14px;
  }

  .service-row {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 12px;
    padding-block: 26px;
  }

  .service-title {
    font-size: 20px;
  }

  .service-tags {
    gap: 5px 11px;
    font-size: 10px;
  }

  .fact {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 13px;
    padding-block: 19px;
  }

  .fact-label {
    font-size: 11px;
  }

  .fact-value {
    font-size: 13px;
  }

  .contact {
    padding-block: 50px;
  }

  .contact-panel {
    padding: 29px 23px 32px;
  }

  .contact-heading {
    font-size: 27px;
  }

  .email-link {
    gap: 11px;
    font-size: clamp(18px, 5.2vw, 25px);
  }

  .email-link svg {
    width: 20px;
    height: 20px;
  }

  .site-footer {
    padding-block: 24px;
  }

  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    font-size: 10px;
  }

  html[lang="en"] .hero-title {
    font-size: clamp(33px, 8.6vw, 43px);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  :root {
    --paper: #fff;
    --muted: #404d49;
  }

  .site-header,
  .hero,
  .section,
  .contact,
  .site-footer {
    padding-block: 20px;
  }

  .hero-layout,
  .section-head,
  .about-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .visual,
  .header-right,
  .hero-actions,
  .hero-note {
    display: none;
  }

  .contact-panel {
    padding: 24px 0;
    background: #fff;
    color: var(--ink);
  }

  .contact-panel::after {
    content: none;
  }

  .contact-panel .section-kicker,
  .contact-copy,
  .contact-links > p,
  .contact-links > span {
    color: var(--muted);
  }

  .email-link {
    border-bottom-color: var(--line);
  }

  .service-row,
  .fact {
    break-inside: avoid;
  }
}