/* ========================================================================== 
   GARMAC — Web corporativa
   Los colores, espacios y tipografía principales se editan en :root.
   ========================================================================== */

:root {
  /* BRAND TOKENS — Punto único para ajustar la identidad visual. */
  --color-navy-950: #081629;
  --color-navy-900: #0b1b31;
  --color-navy-800: #112a49;
  --color-blue-600: #315f96;
  --color-blue-100: #e9f0f7;
  --color-ink: #18202b;
  --color-graphite: #303a46;
  --color-muted: #66717e;
  --color-line: #dce2e8;
  --color-surface: #f5f5f2;
  --color-white: #ffffff;
  --color-success: #8fb7aa;

  --font-sans: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
  --header-height: 82px;
  --section-space: clamp(96px, 11vw, 160px);
  --contact-space: 40px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-soft: 0 18px 50px rgba(8, 22, 41, 0.08);
  --shadow-strong: 0 28px 70px rgba(4, 15, 29, 0.2);
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

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

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

h1,
h2,
h3 {
  color: var(--color-navy-950);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  max-width: 780px;
  margin-bottom: 28px;
  font-size: clamp(3rem, 6.3vw, 5.85rem);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.25rem, 4.3vw, 4.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}

::selection {
  background: var(--color-navy-800);
  color: var(--color-white);
}

:focus-visible {
  outline: 3px solid #5d8ec5;
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: var(--section-space) 0;
  scroll-margin-top: var(--header-height);
}

#inicio {
  scroll-margin-top: 0;
}

#servicios,
#problemas,
#como-trabajamos,
#sobre-garmac {
  scroll-margin-top: calc(18px - var(--section-space));
}

#contacto {
  scroll-margin-top: calc(18px - var(--contact-space));
}

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

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--color-blue-600);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  background: currentColor;
  content: "";
}

.eyebrow--light {
  color: #b5c9dc;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.65fr);
  gap: clamp(44px, 8vw, 110px);
  align-items: end;
  margin-bottom: clamp(58px, 7vw, 86px);
}

.section-heading > p,
.section-heading > div > p:last-child {
  max-width: 520px;
  margin-bottom: 6px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.section-heading--stacked {
  display: block;
  max-width: 810px;
}

.section-heading--stacked h2 {
  margin-bottom: 30px;
}

.section-heading--stacked > p:last-child {
  max-width: 680px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--color-navy-950);
  color: var(--color-white);
  transform: translateY(-160%);
  transition: transform var(--transition);
}

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

/* Header ------------------------------------------------------------------ */

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.site-header.is-scrolled {
  border-color: rgba(11, 27, 49, 0.08);
  background: rgba(250, 250, 248, 0.9);
  box-shadow: 0 8px 30px rgba(8, 22, 41, 0.05);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.wordmark {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--color-navy-950);
  line-height: 1;
}

.wordmark__name {
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: 0.23em;
}

.wordmark__descriptor {
  margin-top: 5px;
  color: var(--color-muted);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.11em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.3vw, 34px);
}

.site-nav > a:not(.button) {
  position: relative;
  color: var(--color-graphite);
  font-size: 0.88rem;
  font-weight: 550;
  white-space: nowrap;
  transition: color var(--transition);
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--color-navy-900);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.site-nav > a:not(.button):hover,
.site-nav > a:not(.button).is-active {
  color: var(--color-navy-950);
}

.site-nav > a:not(.button):hover::after,
.site-nav > a:not(.button).is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: var(--color-white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--color-navy-950);
  transition: transform var(--transition);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* Buttons ----------------------------------------------------------------- */

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.2;
  transition:
    transform var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button--small {
  min-height: 42px;
  padding: 10px 20px;
  font-size: 0.82rem;
}

.button--nav,
.button--primary {
  background: var(--color-navy-900);
  color: var(--color-white);
  box-shadow: 0 12px 24px rgba(8, 22, 41, 0.12);
}

.button--nav:hover,
.button--primary:hover {
  background: var(--color-navy-800);
  box-shadow: 0 14px 30px rgba(8, 22, 41, 0.2);
}

.button--secondary {
  border-color: #c9d1d9;
  background: rgba(255, 255, 255, 0.55);
  color: var(--color-navy-900);
}

.button--secondary:hover {
  border-color: var(--color-navy-800);
  background: var(--color-white);
}

.button--light {
  min-width: 210px;
  background: var(--color-white);
  color: var(--color-navy-950);
}

.button--light:hover {
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

/* Hero -------------------------------------------------------------------- */

.hero {
  display: flex;
  min-height: min(900px, 100vh);
  align-items: center;
  overflow: hidden;
  padding-top: calc(var(--header-height) + 90px);
  background:
    linear-gradient(rgba(8, 22, 41, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 22, 41, 0.025) 1px, transparent 1px),
    var(--color-surface);
  background-size: 64px 64px;
}

.hero::after {
  position: absolute;
  right: -9vw;
  bottom: -26vw;
  width: 48vw;
  height: 48vw;
  border: 1px solid rgba(49, 95, 150, 0.12);
  border-radius: 50%;
  content: "";
}

.hero-glow {
  position: absolute;
  top: 10%;
  right: 5%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(74, 115, 160, 0.09);
  filter: blur(100px);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.72fr);
  gap: clamp(50px, 8vw, 112px);
  align-items: center;
}

.hero-copy {
  padding-bottom: 20px;
}

.hero-lead {
  max-width: 690px;
  margin-bottom: 36px;
  color: var(--color-graphite);
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.hero-principles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 0;
  padding: 0;
  color: var(--color-muted);
  font-size: 0.84rem;
  list-style: none;
}

.hero-principles li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-principles li::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue-600);
  content: "";
}

.process-panel {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: var(--color-navy-950);
  box-shadow: var(--shadow-strong);
  color: var(--color-white);
}

.process-panel::before {
  position: absolute;
  z-index: -1;
  top: 34px;
  right: -22px;
  bottom: -22px;
  left: 34px;
  border: 1px solid rgba(49, 95, 150, 0.25);
  border-radius: var(--radius-lg);
  content: "";
}

.process-panel__header,
.process-panel__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.process-panel__header {
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #dce6f0;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #b7d1c8;
}

.status-dot::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 5px rgba(143, 183, 170, 0.12);
  content: "";
}

.process-flow {
  padding: 32px 0;
}

.process-node {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 15px;
  align-items: start;
  padding: 19px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.035);
}

.process-node--accent {
  border-color: rgba(133, 172, 212, 0.4);
  background: rgba(49, 95, 150, 0.22);
}

.process-node__index {
  color: #8ea8c4;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.process-node p {
  margin: 0;
  color: #d9e2eb;
  font-size: 0.88rem;
  line-height: 1.45;
}

.process-node .process-node__label {
  margin-bottom: 5px;
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.process-connector {
  position: relative;
  width: 1px;
  height: 26px;
  margin-left: 36px;
  background: rgba(255, 255, 255, 0.18);
}

.process-connector span {
  position: absolute;
  bottom: -1px;
  left: -2px;
  width: 5px;
  height: 5px;
  border-right: 1px solid rgba(255, 255, 255, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  transform: rotate(45deg);
}

.process-panel__footer {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9fb0c1;
  font-size: 0.72rem;
}

/* Services ---------------------------------------------------------------- */

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

.service-card {
  min-height: 460px;
  padding: clamp(28px, 3vw, 42px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.service-card:hover {
  border-color: #bcc9d5;
  box-shadow: var(--shadow-soft);
  transform: translateY(-5px);
}

.service-card--featured {
  border-color: var(--color-navy-900);
  background: var(--color-navy-900);
  box-shadow: var(--shadow-soft);
}

.service-card--featured h3,
.service-card--featured p,
.service-card--featured .card-number,
.service-card--featured .check-list {
  color: var(--color-white);
}

.service-card--featured .check-list li {
  border-color: rgba(255, 255, 255, 0.12);
}

.service-card--featured .check-list li::before {
  border-color: #9eb8d1;
}

.card-number {
  display: block;
  margin-bottom: 70px;
  color: var(--color-blue-600);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.service-card h3 {
  margin-bottom: 20px;
}

.service-card > p {
  margin-bottom: 30px;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.service-card--featured > p {
  color: #c4d0dc;
}

.check-list {
  margin: 0;
  padding: 0;
  color: var(--color-graphite);
  font-size: 0.84rem;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-top: 1px solid var(--color-line);
}

.check-list li::before {
  position: absolute;
  top: 17px;
  left: 2px;
  width: 8px;
  height: 5px;
  border-bottom: 1.5px solid var(--color-blue-600);
  border-left: 1.5px solid var(--color-blue-600);
  content: "";
  transform: rotate(-45deg);
}

.service-statement {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-top: 54px;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  text-align: center;
}

.service-statement p {
  margin: 0;
}

.service-statement strong {
  color: var(--color-navy-950);
}

/* Problems ---------------------------------------------------------------- */

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.problem-card {
  min-height: 270px;
  padding: clamp(28px, 3.2vw, 42px);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.28);
  transition: background-color var(--transition);
}

.problem-card:hover {
  background: var(--color-white);
}

.problem-card__mark {
  display: block;
  margin-bottom: 50px;
  color: var(--color-blue-600);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.problem-card h3 {
  margin-bottom: 16px;
}

.problem-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.impact-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.7fr;
  gap: 80px;
  align-items: end;
  margin-top: 40px;
  padding: clamp(40px, 6vw, 74px);
  border-radius: var(--radius-md);
  background: var(--color-navy-950);
}

.impact-panel h3 {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.impact-panel > p {
  margin-bottom: 4px;
  color: #b8c5d1;
  font-size: 1rem;
}

/* Work process ------------------------------------------------------------ */

.work-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
  list-style: none;
}

.work-step {
  position: relative;
  min-height: 300px;
  padding: 34px 30px 20px 0;
  border-right: 1px solid var(--color-line);
}

.work-step:not(:first-child) {
  padding-left: 30px;
}

.work-step:last-child {
  border-right: 0;
}

.work-step::before {
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border: 2px solid var(--color-white);
  border-radius: 50%;
  background: var(--color-blue-600);
  box-shadow: 0 0 0 1px var(--color-blue-600);
  content: "";
}

.work-step:not(:first-child)::before {
  left: 30px;
}

.work-step > span {
  display: block;
  margin-bottom: 90px;
  color: var(--color-blue-600);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.work-step h3 {
  margin-bottom: 16px;
}

.work-step p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* About ------------------------------------------------------------------- */

.about {
  overflow: hidden;
}

.about::before {
  position: absolute;
  top: 50%;
  left: -140px;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(49, 95, 150, 0.13);
  border-radius: 50%;
  content: "";
  transform: translateY(-50%);
}

.about-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.72fr;
  gap: clamp(70px, 10vw, 150px);
  align-items: center;
}

.about-copy h2 {
  margin-bottom: 34px;
}

.about-copy > p:not(.eyebrow):not(.about-lead) {
  max-width: 680px;
  color: var(--color-muted);
}

.about-copy .about-lead {
  color: var(--color-navy-950);
  font-size: 1.18rem;
}

.principle-card {
  padding: clamp(34px, 5vw, 58px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.principle-card__label {
  display: block;
  margin-bottom: 54px;
  color: var(--color-blue-600);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.principle-card blockquote {
  margin-bottom: 34px;
  color: var(--color-navy-950);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.principle-card__line {
  width: 100%;
  height: 1px;
  margin-bottom: 28px;
  background: var(--color-line);
}

.principle-card > p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Contact ----------------------------------------------------------------- */

.contact-section {
  padding-top: var(--contact-space);
  background: var(--color-white);
}

.contact-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.58fr;
  gap: clamp(50px, 8vw, 110px);
  align-items: center;
  overflow: hidden;
  padding: clamp(46px, 7vw, 86px);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(49, 95, 150, 0.2), transparent 48%),
    var(--color-navy-950);
  box-shadow: var(--shadow-strong);
}

.contact-card::after {
  position: absolute;
  right: -110px;
  bottom: -210px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 50%;
  content: "";
}

.contact-card__copy,
.contact-card__actions {
  position: relative;
  z-index: 1;
}

.contact-card h2 {
  max-width: 720px;
  margin-bottom: 26px;
  color: var(--color-white);
  font-size: clamp(2.3rem, 5vw, 4.7rem);
}

.contact-card__copy > p:last-child {
  max-width: 650px;
  margin-bottom: 0;
  color: #bcc9d5;
  font-size: 1.02rem;
}

.contact-card__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 24px;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  padding: 20px 4px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  transition: color var(--transition);
}

.contact-detail:hover {
  color: #c9dcf0;
}

.contact-detail__label,
.contact-phone__label {
  margin-bottom: 4px;
  color: #9eafc0;
  font-size: 0.75rem;
}

.contact-detail--subtle {
  font-size: 0.9rem;
}

.contact-pending {
  margin: 0;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  color: #c4d0dc;
  font-size: 0.84rem;
}

/* Footer ------------------------------------------------------------------ */

.site-footer {
  padding: 46px 0;
  background: var(--color-white);
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding-top: 36px;
  border-top: 1px solid var(--color-line);
}

.wordmark--footer {
  margin-bottom: 15px;
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-bottom: 8px;
  color: var(--color-graphite);
  font-size: 0.82rem;
}

.footer-contact a:hover {
  color: var(--color-navy-950);
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.footer-legal {
  display: flex;
  gap: 18px;
  min-height: 1px;
  color: var(--color-muted);
  font-size: 0.78rem;
}

.footer-inner p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.copyright {
  white-space: nowrap;
}

/* Progressive animation -------------------------------------------------- */

.reveal-enabled {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 620ms ease,
    transform 620ms ease;
}

.reveal-enabled.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive -------------------------------------------------------------- */

@media (max-width: 1040px) {
  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 850px;
  }

  .process-panel {
    width: min(100%, 700px);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    display: grid;
    min-height: auto;
    grid-template-columns: 80px 0.9fr 1.1fr;
    gap: 26px;
    align-items: start;
  }

  .card-number {
    margin: 5px 0 0;
  }

  .service-card > p,
  .service-card h3 {
    margin-bottom: 0;
  }

  .service-card .check-list {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

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

  .work-steps {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 30px;
  }

  .work-step:nth-child(2) {
    border-right: 0;
  }

  .work-step:nth-child(3),
  .work-step:nth-child(4) {
    border-top: 1px solid var(--color-line);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 72px;
  }

  .header-inner {
    position: static;
  }

  .js .menu-toggle {
    display: block;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .js .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: flex;
    width: 100%;
    max-height: calc(100dvh - var(--header-height));
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    overflow-y: auto;
    padding: 36px 24px;
    background: rgba(245, 245, 242, 0.98);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    overscroll-behavior: contain;
  }

  .menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
  }

  .js .site-nav > a:not(.button) {
    padding: 18px 2px;
    border-bottom: 1px solid var(--color-line);
    font-size: 1.05rem;
  }

  .js .site-nav > a:not(.button)::after {
    display: none;
  }

  .js .site-nav .button {
    margin-top: 28px;
  }

  .section-heading,
  .impact-panel,
  .about-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
  }

  .impact-panel {
    gap: 30px;
  }

  .about-grid {
    gap: 60px;
  }

  .contact-card {
    gap: 50px;
  }

  .contact-card__actions {
    align-items: flex-start;
  }

  .contact-detail,
  .contact-pending {
    width: min(100%, 380px);
  }
}

@media (max-width: 700px) {
  :root {
    --section-space: 88px;
    --contact-space: 20px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: var(--section-space) 0;
  }

  .hero {
    padding-top: calc(var(--header-height) + 58px);
  }

  .hero h1 {
    font-size: clamp(2.75rem, 13.5vw, 4.5rem);
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-principles {
    display: grid;
    gap: 10px;
  }

  .process-panel {
    padding: 20px;
    border-radius: var(--radius-md);
  }

  .process-panel::before {
    display: none;
  }

  .process-panel__footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .section-heading {
    gap: 30px;
    margin-bottom: 50px;
  }

  .service-card {
    display: block;
    padding: 30px;
  }

  .card-number {
    margin-bottom: 42px;
  }

  .service-card h3 {
    margin-bottom: 18px;
  }

  .service-card > p {
    margin-bottom: 28px;
  }

  .service-card .check-list {
    grid-column: auto;
    grid-row: auto;
  }

  .service-statement {
    display: block;
  }

  .problems-grid {
    grid-template-columns: 1fr;
  }

  .problem-card {
    min-height: auto;
  }

  .problem-card__mark {
    margin-bottom: 36px;
  }

  .impact-panel {
    padding: 36px 28px;
  }

  .work-steps {
    display: block;
    border-top: 0;
  }

  .work-step,
  .work-step:not(:first-child) {
    display: grid;
    min-height: auto;
    grid-template-columns: 48px 1fr;
    gap: 16px;
    padding: 28px 0;
    border-top: 1px solid var(--color-line);
    border-right: 0;
  }

  .work-step::before,
  .work-step:not(:first-child)::before {
    display: none;
  }

  .work-step > span {
    margin: 5px 0 0;
  }

  .principle-card__label {
    margin-bottom: 38px;
  }

  .contact-card {
    margin-inline: -4px;
    padding: 42px 26px;
    border-radius: var(--radius-md);
  }

  .contact-card h2 {
    font-size: clamp(2.25rem, 11vw, 3.5rem);
  }

  .contact-card__actions,
  .contact-card__actions .button,
  .contact-detail,
  .contact-pending {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
  }

  .footer-meta {
    align-items: flex-start;
  }
}

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

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

  .reveal-enabled {
    opacity: 1;
    transform: none;
  }
}