/* Runge landing page: an editorial rhythm inspired by the reference layout. */
:root {
  --paper: #f7f7f3;
  --green: #384348;
  --green-dark: #222b30;
  --lime: #ef6d18;
  --line: #d8ded9;
  --muted: #4e5d59;
}

body {
  overflow-x: hidden;
}

.section-shell {
  max-width: 1480px;
}

.site-header {
  width: calc(100% - 48px);
  max-width: 1480px;
  height: 96px;
  margin: 18px auto 0;
  padding: 0 38px;
  background: rgba(255, 255, 255, .88);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 36px rgba(34, 43, 48, .035);
}

.site-header .brand-logo {
  width: 228px;
}

.main-nav {
  gap: 34px;
  font-size: 13px;
}

.nav-cta,
.button {
  border-radius: 100px;
}

.nav-cta {
  padding: 14px 22px;
  color: #fff;
  background: var(--green-dark);
}

.nav-cta:hover,
.button-primary:hover {
  background: #d95b0d;
}

.nav-cta .whatsapp-icon,
.button .whatsapp-icon {
  width: 19px;
  height: 19px;
}

.eyebrow {
  gap: 11px;
  margin-bottom: 21px;
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}

.eyebrow span {
  width: 28px;
  height: 3px;
}

.hero {
  display: block;
  min-height: 0;
  padding-top: 108px;
  padding-bottom: 0;
  padding-left: 32px;
  border: 0;
}

.hero::before {
  width: 160px;
  height: 160px;
  top: 104px;
  right: 4%;
  border: 1px solid rgba(239, 109, 24, .2);
  border-radius: 48% 52% 42% 58%;
  transform: rotate(26deg);
  box-shadow: 0 0 0 22px rgba(239, 109, 24, .035), 0 0 0 45px rgba(239, 109, 24, .025);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.hero .eyebrow,
.hero-actions {
  justify-content: center;
}

.hero h1 {
  max-width: none;
  font-size: clamp(54px, 5.8vw, 104px);
  line-height: 1.02;
  letter-spacing: -.065em;
}

.hero h1 strong {
  color: var(--lime);
}

.hero-lede {
  max-width: 690px;
  margin: 30px auto 33px;
  color: #41504a;
  font-size: 19px;
  line-height: 1.55;
}

.hero-actions {
  gap: 32px;
}

.button-primary {
  padding: 17px 26px;
  color: #fff;
  background: var(--lime);
}

.text-link {
  font-size: 13px;
}

.hero-visual {
  height: clamp(480px, 38vw, 640px);
  margin-top: 74px;
  overflow: hidden;
  border: 0;
  border-radius: 8px 8px 0 0;
  background: var(--green-dark);
  box-shadow: none;
}

.hero-photo {
  object-position: 52% 48%;
  filter: none;
}

.visual-card {
  left: 32px;
  bottom: 32px;
  width: 300px;
  padding: 23px 24px;
  color: #fff;
  background: rgba(34, 43, 48, .95);
  border: 0;
  border-left: 5px solid var(--lime);
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.visual-card span {
  color: #f98b46;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .16em;
}

.visual-card strong {
  margin-top: 15px;
  font-size: 19px;
  line-height: 1.18;
}

.visual-card small {
  margin-top: 8px;
  color: #e4e9e4;
  font-size: 12px;
  line-height: 1.4;
}

.expertise-strip {
  color: #fff;
  background: var(--green-dark);
  border-top: 4px solid var(--lime);
}

.expertise-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.expertise-strip i {
  flex: 0 0 5px;
  width: 5px;
  height: 5px;
  background: var(--lime);
  transform: rotate(45deg);
}

.solutions {
  padding-top: 126px;
  padding-bottom: 136px;
  background: transparent;
  border: 0;
  box-shadow: none;
  clip-path: none;
}

.section-intro h2,
.field-intro h2,
.about h2 {
  max-width: 750px;
  color: var(--green-dark);
  font-size: clamp(38px, 3.7vw, 60px);
  line-height: 1.08;
  letter-spacing: -.05em;
}

.section-note {
  max-width: 410px;
  color: #4d5b56;
  font-size: 16px;
  line-height: 1.55;
}

.solution-grid {
  gap: 18px;
  margin-top: 68px;
}

.solution-card,
.solution-card.featured {
  min-height: 316px;
  padding: 28px;
  border-radius: 0;
  box-shadow: none;
}

.solution-card {
  border: 1px solid var(--line);
  background: #fff;
}

.solution-card:hover {
  transform: translateY(-4px);
  border-color: #9daaa4;
}

.solution-card.featured {
  color: #fff;
  border-color: var(--green-dark);
  background: var(--green-dark);
}

.card-number {
  font-size: 12px;
  font-weight: 800;
}

.card-icon {
  height: 67px;
}

.solution-card h3 {
  max-width: 310px;
  font-size: 22px;
}

.solution-card p,
.featured p {
  font-size: 13px;
  line-height: 1.55;
}

.solution-card a {
  padding-top: 25px;
  font-size: 12px;
}

.field-work {
  padding-top: 122px;
  padding-bottom: 132px;
  background: #e9eeea;
  border: 0;
  box-shadow: 0 0 0 100vmax #e9eeea;
  clip-path: inset(0 -100vmax);
}

.field-intro {
  grid-template-columns: 1fr .62fr;
  gap: 60px;
}

.field-grid {
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 295px 295px 320px;
  gap: 18px;
  margin-top: 66px;
}

.field-card,
.field-card-large,
.field-card-wide {
  grid-column: 8 / -1;
  grid-row: auto;
  box-shadow: none;
}

.field-card-large {
  grid-column: 1 / 8;
  grid-row: 1 / 3;
}

.field-card-wide {
  grid-column: 1 / -1;
  grid-row: 3;
}

.field-card img {
  filter: saturate(.95);
}

.field-card-copy {
  left: 30px;
  right: 30px;
  bottom: 27px;
}

.field-card-copy span {
  color: #ff9b58;
  font-size: 10px;
}

.field-card-copy h3 {
  max-width: 600px;
  font-size: 23px;
}

.field-card-large .field-card-copy h3 {
  font-size: 34px;
}

.method {
  grid-template-columns: 1fr;
  gap: 66px;
  padding-top: 126px;
  padding-bottom: 132px;
  background: var(--green-dark);
  border: 0;
  box-shadow: 0 0 0 100vmax var(--green-dark);
  clip-path: inset(0 -100vmax);
}

.method-panel {
  position: relative;
  padding-right: 320px;
}

.method .eyebrow {
  color: #f4a673;
}

.method h2 {
  max-width: 860px;
  font-size: clamp(42px, 4vw, 64px);
}

.method-panel > p:not(.eyebrow) {
  max-width: 630px;
  color: #d2ddd7;
  font-size: 16px;
  line-height: 1.55;
}

.method-panel .button {
  position: absolute;
  right: 0;
  bottom: 6px;
}

.button-light {
  background: #fff;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 0;
  border: 0;
}

.step,
.step:first-child {
  display: block;
  min-height: 222px;
  padding: 30px;
  border: 1px solid #64706d;
  border-top: 3px solid var(--lime);
  background: rgba(255, 255, 255, .025);
}

.step b {
  display: block;
  margin-bottom: 34px;
  color: #ff9b58;
  font-size: 14px;
}

.step h3 {
  font-size: 26px;
}

.step p {
  max-width: 320px;
  color: #d1ddd6;
  font-size: 14px;
  line-height: 1.5;
}

.about {
  grid-template-columns: .9fr 1.1fr;
  gap: 54px;
  padding-top: 130px;
  padding-bottom: 134px;
  background: transparent;
  border: 0;
  box-shadow: none;
  clip-path: none;
}

.about-intro h2 {
  max-width: 640px;
}

.about-lede {
  max-width: 520px;
  color: #46534e;
  font-size: 18px;
}

.about-visual {
  min-height: 510px;
  overflow: hidden;
  border: 0;
  border-radius: 4px;
  box-shadow: none;
}

.about-visual img {
  min-height: 510px;
}

.about-visual-tag {
  bottom: 0;
  left: 0;
  padding: 16px 22px;
  background: var(--green-dark);
}

.about-story {
  gap: 18px;
  margin-top: 20px;
}

.about-story-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--lime);
  background: #fff;
}

.about-story-card h3 {
  max-width: 360px;
  font-size: 21px;
}

.about-story-card p {
  max-width: 360px;
  color: #52605b;
  font-size: 13px;
}

.contact {
  padding-top: 95px;
  padding-bottom: 98px;
  color: #20292d;
  background: var(--lime);
  border: 0;
  box-shadow: 0 0 0 100vmax var(--lime);
  clip-path: inset(0 -100vmax);
}

.contact .eyebrow,
.contact .eyebrow.light {
  color: #20292d;
}

.contact .eyebrow span {
  background: #20292d;
}

.contact h2 {
  max-width: 850px;
  color: #20292d;
  font-size: clamp(44px, 4.6vw, 70px);
}

.contact-copy > p:not(.eyebrow) {
  max-width: 600px;
  color: #273136;
  font-size: 16px;
}

.contact-details,
.contact-details span {
  color: #273136;
  font-size: 13px;
}

.contact-arrow {
  width: 92px;
  height: 92px;
  color: #fff;
  background: var(--green-dark);
  border: 0;
}

.contact-arrow:hover {
  color: #fff;
  background: #3b4548;
}

.site-footer {
  min-height: 122px;
}

@media (max-width: 900px) {
  .site-header {
    width: calc(100% - 32px);
    height: 80px;
    margin-top: 16px;
    padding: 0 24px;
  }

  .site-header .brand-logo {
    width: 190px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    z-index: 5;
    top: 96px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    padding: 23px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 0 0 14px 14px;
    box-shadow: 0 18px 25px rgba(34, 43, 48, .1);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav .nav-cta {
    width: 100%;
  }

  .hero {
    padding-top: 85px;
  }

  .hero h1 {
    font-size: clamp(52px, 8vw, 76px);
  }

  .hero-visual {
    height: 500px;
    margin-top: 58px;
  }

  .solutions,
  .field-work,
  .method,
  .about {
    padding-top: 95px;
    padding-bottom: 100px;
  }

  .field-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .field-intro .section-note {
    margin: 0;
  }

  .field-grid {
    grid-template-rows: 260px 260px 280px;
  }

  .method-panel {
    padding-right: 0;
  }

  .method-panel .button {
    position: static;
  }

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

  .step:last-child {
    grid-column: 1 / -1;
    min-height: 150px;
  }

  .step,
  .step:first-child {
    padding: 23px;
  }

  .about {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 650px) {
  .site-header {
    height: 72px;
    padding: 0 17px;
  }

  .site-header .brand-logo {
    width: 160px;
  }

  .main-nav {
    top: 89px;
    left: 16px;
    right: 16px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 0 0 14px 14px;
    box-shadow: 0 18px 25px rgba(34, 43, 48, .1);
  }

  .hero {
    padding: 64px 21px 0;
  }

  .hero-copy {
    text-align: left;
  }

  .hero .eyebrow,
  .hero-actions {
    justify-content: flex-start;
  }

  .hero h1 {
    font-size: clamp(44px, 11vw, 58px);
  }

  .hero-lede {
    margin: 23px 0 28px;
    font-size: 16px;
  }

  .hero-actions {
    gap: 22px;
  }

  .hero-visual {
    height: 410px;
    margin-top: 51px;
    border-radius: 5px 5px 0 0;
    box-shadow: none;
  }

  .hero-photo {
    object-position: 64% center;
  }

  .visual-card {
    left: 14px;
    bottom: 14px;
    width: min(255px, calc(100% - 28px));
    padding: 15px 17px;
  }

  .visual-card strong {
    margin-top: 7px;
    font-size: 16px;
  }

  .visual-card small {
    font-size: 11px;
  }

  .expertise-strip-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 18px;
    padding-top: 20px;
    padding-bottom: 20px;
    font-size: 10px;
  }

  .expertise-strip i {
    display: none;
  }

  .solutions,
  .field-work,
  .method,
  .about {
    padding-top: 76px;
    padding-bottom: 82px;
  }

  .section-intro h2,
  .field-intro h2,
  .about h2,
  .method h2 {
    font-size: clamp(35px, 9vw, 46px);
  }

  .section-note {
    font-size: 15px;
  }

  .solution-grid {
    gap: 12px;
    margin-top: 42px;
  }

  .solution-card,
  .solution-card.featured {
    min-height: 272px;
    padding: 22px;
  }

  .field-work,
  .method,
  .contact {
    box-shadow: 0 0 0 100vmax var(--section-background, transparent);
    clip-path: inset(0 -100vmax);
  }

  .field-work { --section-background: #e9eeea; }
  .method { --section-background: #222b30; }
  .contact { --section-background: #ef6d18; }

  .field-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 42px;
  }

  .field-card,
  .field-card-large,
  .field-card-wide {
    height: 320px;
  }

  .field-card-copy {
    left: 20px;
    right: 20px;
    bottom: 18px;
  }

  .field-card-copy h3,
  .field-card-large .field-card-copy h3 {
    font-size: 23px;
  }

  .method {
    gap: 42px;
  }

  .method-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step:last-child {
    grid-column: auto;
    min-height: 0;
  }

  .step,
  .step:first-child {
    min-height: 0;
    padding: 23px;
  }

  .step b {
    margin-bottom: 14px;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .about-visual,
  .about-visual img {
    min-height: 350px;
  }

  .about-story {
    margin-top: 2px;
  }

  .about-story-card {
    padding: 22px;
  }

  .contact {
    padding-top: 74px;
    padding-bottom: 78px;
  }

  .contact h2 {
    font-size: 44px;
  }

  .site-footer {
    min-height: 0;
  }
}