/* MARS landing — tokens from Figma (MARS-stack, node 1:2) */

:root {
  --color-bg: #020618;
  --color-bg-alt: #0f172b;
  --color-bg-card: rgba(15, 23, 43, 0.5);
  --color-bg-card-soft: rgba(15, 23, 43, 0.3);
  --color-bg-dark: rgba(2, 6, 24, 0.5);
  --color-border: #1d293d;
  --color-border-soft: #314158;
  --color-accent: #00bc7d;
  --color-accent-text: #00d492;
  --color-danger: #fb2c36;
  --color-text: #ffffff;
  --color-muted: #cad5e2;
  --color-muted-2: #90a1b9;
  --color-muted-3: #62748e;
  --color-quote: #d0fae5;
  --font: "Montserrat", system-ui, sans-serif;
  --container: 720px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-muted);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

em {
  font-style: normal;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 500;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.text-accent {
  color: var(--color-accent-text);
}

.text-bright {
  color: var(--color-text);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: max(1.5rem, env(safe-area-inset-left));
  padding-right: max(1.5rem, env(safe-area-inset-right));
}

/* Header */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  padding: 0 max(1.5rem, env(safe-area-inset-left)) 0 max(1.5rem, env(safe-area-inset-right));
  background: rgba(2, 6, 24, 0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-accent-text);
}

.site-nav__link--active,
.site-nav__link[aria-current="true"] {
  color: var(--color-accent-text);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 2px;
  background: var(--color-accent-text);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.site-nav__link--active::after,
.site-nav__link[aria-current="true"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Main offset for fixed header */

main {
  padding-top: var(--header-h);
}

/* Sections */

.section {
  position: relative;
  padding: 5.5rem 0;
  overflow: hidden;
}

.section--tight {
  padding-top: 3rem;
}

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

/* Hero */

.hero {
  min-height: min(90vh, 800px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 0 6rem;
  text-align: center;
}

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

.hero__bg,
.hero__gradient,
.hero__fade {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__bg {
  z-index: 0;
  background: var(--color-bg);
}

.hero__gradient--1 {
  z-index: 0;
  background: linear-gradient(
    138.58deg,
    rgba(0, 44, 34, 0.3) 0%,
    #020618 50%,
    #020618 100%
  );
}

.hero__gradient--2 {
  z-index: 0;
  opacity: 0.2;
  background: linear-gradient(
    90deg,
    rgba(16, 185, 129, 0.1) 0.1%,
    rgba(0, 0, 0, 0) 0.1%
  ),
    linear-gradient(180deg, rgba(16, 185, 129, 0.1) 0.13%, rgba(0, 0, 0, 0) 0.13%);
}

.hero__fade {
  z-index: 0;
  top: auto;
  height: 8rem;
  background: linear-gradient(
    180deg,
    rgba(2, 6, 24, 0) 0%,
    var(--color-bg) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0 auto 1.5rem;
  padding: 0.5rem 1rem 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  background: rgba(0, 188, 125, 0.1);
  border: 1px solid rgba(0, 188, 125, 0.2);
  border-radius: 999px;
}

.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.7;
}

.eyebrow--inline {
  display: inline-flex;
  width: auto;
  margin: 0 auto 1.25rem;
  padding: 0.5rem 1.25rem;
}

.eyebrow--inline img {
  flex-shrink: 0;
}

.hero__title {
  margin-bottom: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero__title-line {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4rem);
}

.hero__title-line--sub {
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 500;
}

.hero__lead {
  max-width: 36rem;
  margin: 0 auto 2.5rem;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  line-height: 1.45;
  color: var(--color-muted);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem 1rem 1.5rem;
  min-height: 3.75rem;
  font-family: var(--font);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.2;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, filter 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  filter: brightness(1.08);
}

.btn--secondary {
  background: #1d293d;
  color: var(--color-text);
  border: 1px solid var(--color-border-soft);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  border-color: var(--color-accent-text);
  color: var(--color-text);
}

.scroll-hint {
  display: flex;
  justify-content: center;
  margin-top: 4.5rem;
}

.scroll-hint__mouse {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0.125rem 0.125rem;
  border: 2px solid rgba(0, 188, 125, 0.3);
  border-radius: 999px;
  width: 1.5rem;
}

.scroll-hint__wheel {
  width: 4px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-accent);
}

/* Section headers */

.section__header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 3.75rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.section__subtitle {
  max-width: 40rem;
  margin: 0.75rem auto 0;
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--color-muted-2);
  text-align: center;
}

.section__rule {
  display: block;
  width: 6rem;
  height: 4px;
  margin: 0 auto 0.5rem;
  background: var(--color-accent);
}

.future-intro .section__title {
  margin-top: 0.5rem;
}

/* Prose & cards base */

.prose-block {
  padding: 2.5rem 3rem;
  margin-bottom: 3rem;
  font-size: 1.25rem;
  line-height: 1.65;
  color: var(--color-muted);
  background: rgba(15, 23, 43, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.prose-block p + p {
  margin-top: 1.5rem;
}

.prose-block--muted-bg {
  background: rgba(2, 6, 24, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* Grids */

.grid {
  display: grid;
  gap: 1.5rem 2rem;
}

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

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Feature cards */

.card {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.card--feature {
  background: var(--color-bg-card-soft);
  padding: 2rem;
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.5rem;
  background: rgba(0, 188, 125, 0.1);
  border-radius: var(--radius-sm);
}

.card__title {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text);
}

.card__text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-muted-2);
}

/* Tri icons (why we built) */

.tri-icons {
  margin-bottom: 2.5rem;
}

.tri-icon {
  text-align: center;
}

.tri-icon__circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.25rem;
  border: 1px solid rgba(0, 188, 125, 0.2);
  border-radius: 50%;
  background: rgba(0, 188, 125, 0.1);
}

.tri-icon--risk .tri-icon__circle {
  border-color: rgba(251, 44, 54, 0.2);
  background: rgba(251, 44, 54, 0.1);
}

.tri-icon__title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.tri-icon__text {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-muted-2);
  max-width: 16rem;
  margin: 0 auto;
}

/* Quote */

.quote-block {
  margin: 0;
  padding: 1.5rem 1.5rem 1.5rem 2.25rem;
  font-size: 1.5rem;
  line-height: 1.45;
  font-style: italic;
  color: var(--color-quote);
  background: rgba(0, 188, 125, 0.05);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* What changed (tech) */

.section--tech {
  background: var(--color-bg);
  padding: 5.5rem 0 4rem;
}

.section--tech__accent {
  position: absolute;
  right: 0;
  top: 0;
  width: 50%;
  height: 100%;
  max-height: 1000px;
  background: linear-gradient(270deg, rgba(0, 44, 34, 0.2) 0%, rgba(0, 0, 0, 0) 100%);
  pointer-events: none;
}

.compare-grid {
  margin-top: 2rem;
}

.compare {
  padding: 1.5rem 2rem 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.compare--before {
  background: var(--color-bg-card-soft);
}

.compare--after {
  border-color: rgba(0, 188, 125, 0.3);
  background: linear-gradient(
    128.19deg,
    rgba(0, 44, 34, 0.3) 0%,
    rgba(15, 23, 43, 0.3) 100%
  );
}

.compare__label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--color-muted-3);
}

.compare--after .compare__label {
  color: var(--color-accent-text);
}

.compare__line {
  flex: 1;
  min-width: 0;
  height: 1px;
  background: #1d293d;
}

.compare--after .compare__line {
  background: rgba(0, 188, 125, 0.3);
}

.compare__list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.compare__list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.compare__item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
}

.compare__item-icon--bad {
  background: rgba(251, 44, 54, 0.1);
}

.compare__item-icon--good {
  background: rgba(0, 188, 125, 0.2);
}

.compare__item-title {
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.compare__item-text {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-muted-2);
}

.compare__item-text--light {
  color: var(--color-muted);
}

.section__tagline {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 2.5rem 0 0;
  text-align: center;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-accent-text);
}

.section__tagline-line {
  width: 3rem;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* Reliability cards */

.card--reliability {
  padding: 1.5rem 2rem 2rem;
  background: rgba(2, 6, 24, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.card__row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card--reliability .card__title {
  font-size: 1.25rem;
  line-height: 1.2;
  margin: 0;
  flex: 1;
}

.card__icon--md {
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  margin: 0;
  border-radius: var(--radius-sm);
  align-self: center;
}

.feature-cards--tall {
  margin-bottom: 2.5rem;
}

/* Stats */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  padding: 0.5rem 0;
  text-align: center;
}

.stat__value {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.1;
  font-weight: 400;
  color: var(--color-accent-text);
  margin-bottom: 0.25rem;
}

.stat__label {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-muted-2);
}

/* Architecture glow */

.section--glow {
  background: var(--color-bg);
  padding: 5.5rem 0 4rem;
}

.glow-orb {
  position: absolute;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: var(--color-accent);
  filter: blur(64px);
  opacity: 0.1;
  pointer-events: none;
}

.glow-orb--1 {
  top: 5rem;
  left: 2.5rem;
}

.glow-orb--2 {
  width: 24rem;
  height: 24rem;
  right: 2.5rem;
  bottom: 4rem;
}

.arch-grid {
  position: relative;
  z-index: 1;
  margin-bottom: 2rem;
}

.card--arch {
  padding: 1.5rem 2.5rem 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.card__arch-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card__icon--lg {
  width: 3.5rem;
  height: 3.5rem;
  min-width: 3.5rem;
  margin: 0;
  border-radius: 14px;
  flex-shrink: 0;
}

.card__title--lg {
  font-size: 1.5rem;
  line-height: 1.25;
}

.card--arch p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.approach-block {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 2.5rem 2rem;
  background: linear-gradient(90deg, rgba(0, 44, 34, 0.3) 0%, rgba(15, 23, 43, 0.3) 100%);
  border: 1px solid rgba(0, 188, 125, 0.2);
  border-radius: var(--radius-lg);
}

.approach-block__bar {
  width: 3px;
  flex-shrink: 0;
  min-height: 3rem;
  background: var(--color-accent);
  border-radius: 999px;
}

.approach-block__title {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.approach-block p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.approach-block p + p {
  margin-top: 1rem;
}

/* Engineers */

.engineers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem 2rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

.engineers__image-wrap {
  position: relative;
}

.engineers__glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(146.3deg, rgba(0, 188, 125, 0.2) 0%, rgba(0, 0, 0, 0) 100%);
  filter: blur(40px);
  border-radius: 16px;
  transform: scale(0.95);
  pointer-events: none;
}

.engineers__image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  aspect-ratio: 336 / 224.125;
}

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

.engineers__text {
  font-size: 1.25rem;
  line-height: 1.65;
  color: var(--color-muted);
}

.engineers__text p + p {
  margin-top: 1.5rem;
}

.leadership {
  margin-top: 2.5rem;
  padding: 1.5rem 1.5rem 1.5rem 1.5rem;
  background: rgba(0, 188, 125, 0.05);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.leadership__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin-bottom: 0.5rem;
}

.leadership__name {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.leadership__desc {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-muted);
}

/* Team small cards */

.card--team {
  text-align: center;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem 1.5rem;
}

.card__icon--round {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: rgba(0, 188, 125, 0.1);
}

/* Future */

.section--future {
  position: relative;
  background: var(--color-bg);
  padding: 5.5rem 0 4.5rem;
}

.section--future__grad {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 188, 125, 0.05) 0%,
    rgba(0, 0, 0, 0) 50%,
    rgba(0, 0, 0, 0) 100%
  );
  pointer-events: none;
  opacity: 1;
}

.future-intro {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-bottom: 2.5rem;
}

.future-grid {
  position: relative;
  z-index: 1;
}

.card--future {
  padding: 1.5rem 2.5rem 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.card__future-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.card--future .card__icon {
  margin: 0;
  flex-shrink: 0;
  height: 3rem;
}

.card__title--md {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.future-cta {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 40rem;
  margin: 3rem auto 0;
  padding: 2.5rem 1.5rem 2.5rem;
  border: 1px solid rgba(0, 188, 125, 0.3);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    160.17deg,
    rgba(0, 44, 34, 0.4) 0%,
    rgba(15, 23, 43, 0.4) 50%,
    rgba(2, 6, 24, 0.4) 100%
  );
}

.future-cta__line {
  font-size: clamp(1.1rem, 2.2vw, 1.9rem);
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
  font-weight: 400;
}

.future-cta__line--accent {
  color: var(--color-accent-text);
  margin-top: 0.25rem;
  font-size: clamp(1.1rem, 2.2vw, 1.9rem);
}

/* Prefooter / contact */

.section--prefooter {
  background: var(--color-bg-alt);
  padding: 5.5rem 0 3rem;
}

.prefooter__line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, #00bc7d 50%, rgba(0, 0, 0, 0) 100%);
  opacity: 0.3;
  pointer-events: none;
}

.cta-box {
  text-align: center;
  max-width: 100%;
  padding: 2.5rem 2.5rem 2.5rem;
  border: 1px solid rgba(0, 188, 125, 0.3);
  border-radius: var(--radius-xl);
  background: linear-gradient(
    150.94deg,
    rgba(0, 44, 34, 0.3) 0%,
    rgba(2, 6, 24, 0.5) 100%
  );
  margin-bottom: 2.5rem;
}

.cta-box__title {
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.cta-box__text {
  max-width: 32rem;
  margin: 0 auto 1.5rem;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-muted);
}

.cta-box__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-panels {
  margin-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 2rem 1.5rem;
  text-align: left;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.contact-card h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
}

.contact-card p {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-muted-2);
  margin: 0;
  flex: 1;
}

.contact-card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.contact-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(0, 188, 125, 0.1);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.contact-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  color: var(--color-accent-text);
  text-decoration: none;
  width: fit-content;
}

.contact-card__link:hover,
.contact-card__link:focus-visible {
  text-decoration: underline;
}

/* Footer */

.site-footer {
  padding: 2.5rem 0 3.5rem;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  max-width: var(--container);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 0 auto;
  padding: 0 max(1.5rem, env(safe-area-inset-left)) 0 max(1.5rem, env(safe-area-inset-right));
}

.site-footer__brand {
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0 0 0.5rem 0;
}

.site-footer__sep {
  color: #45556c;
  margin: 0 0.35rem;
}

.site-footer__tagline {
  font-size: 0.875rem;
  color: var(--color-muted-2);
  margin: 0;
}

.site-footer__legal {
  text-align: right;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-muted-2);
}

.site-footer__legal p {
  margin: 0.25em 0;
}

/* Mobile nav + responsive */

@media (max-width: 1024px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .grid--3 {
    grid-template-columns: 1fr 1fr;
  }

  .grid--2 {
    grid-template-columns: 1fr;
  }

  .section--tech__accent {
    display: none;
  }
}

@media (max-width: 720px) {
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

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

  .prose-block {
    padding: 1.5rem 1.25rem;
  }

  .section__header {
    margin-bottom: 1.75rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section--tight {
    padding-top: 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 1.5rem 1.5rem 2rem;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .site-nav__link {
    width: 100%;
    text-align: left;
    text-transform: none;
    letter-spacing: 0.02em;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-header__inner .site-nav {
    margin: 0 -1.5rem 0 0;
  }
}

@media (max-width: 600px) {
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer__legal {
    text-align: left;
  }

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

  .section__tagline {
    padding: 0 0.5rem;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
