/* ============================================================
   NEXUS LANDING PAGE — Design System
   Primary: #1C3B34 | Accent: #964515 | Warm neutrals
   Font: Colfax | Grid: 12-col, 1440px container
   ============================================================ */

/* --- Font Face (fallback to system sans-serif if Colfax not available) --- */
@font-face {
  font-family: 'Colfax';
  src: local('Colfax Regular'), local('Colfax-Regular');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Colfax';
  src: local('Colfax Medium'), local('Colfax-Medium');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1C3B34;
  --color-copper: #964515;
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray-light: #DBDEDE;
  --color-sage: #D9D8D0;
  --color-sage-light: #EBEDE0;
  --color-cream: #F8F1DF;
  --color-wheat: #E6DCB8;

  /* Typography */
  --font-family: 'Colfax', 'Inter', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;

  --fs-display: clamp(36px, 4vw, 50px);
  --fs-h2: clamp(28px, 3vw, 42px);
  --fs-h3: clamp(16px, 1.5vw, 20px);
  --fs-body: 17px;
  --fs-body-sm: 15px;
  --fs-caption: 14px;
  --fs-label: 12px;
  --fs-nav: 14px;

  /* Grid */
  --grid-columns: 12;
  --grid-container: 1440px;
  --grid-gutter: 16px;
  --grid-margin: 140px;
  --grid-row-gap: 8px;
  --grid-col-gap: 8px;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 100px;
  --space-3xl: 140px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.4s;
  --duration-slow: 0.8s;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  /* Dark background so footer-reveal canvas area is visible */
  background-color: #080a09;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-primary);
  background-color: transparent;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--grid-container);
  margin: 0 auto;
  padding-left: var(--grid-margin);
  padding-right: var(--grid-margin);
}

@media (max-width: 1200px) {
  .container {
    padding-left: 60px;
    padding-right: 60px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* --- Section Separator --- */
.section-sep {
  max-width: var(--grid-container);
  margin: 0 auto;
  padding-left: var(--grid-margin);
  padding-right: var(--grid-margin);
}

.section-sep::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--color-sage);
  opacity: 0.5;
}

@media (max-width: 1200px) {
  .section-sep {
    padding-left: 60px;
    padding-right: 60px;
  }
}

@media (max-width: 768px) {
  .section-sep {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* --- Label Badge --- */
.label-badge {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid currentColor;
  border-radius: 0;
}

.label-badge--light {
  color: var(--color-cream);
  border-color: rgba(248, 241, 223, 0.4);
}

.label-badge--dark {
  color: var(--color-primary);
  border-color: rgba(28, 59, 52, 0.3);
}

.label-badge--copper {
  color: var(--color-copper);
  border-color: var(--color-copper);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-family);
  font-size: var(--fs-caption);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 20px;
  border: 1px solid;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  text-decoration: none;
}

.btn .arrow-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .arrow-icon {
  transform: translateX(4px);
}

.btn--primary {
  color: var(--color-cream);
  border-color: var(--color-cream);
  background: transparent;
}

.btn--primary:hover {
  background: var(--color-cream);
  color: var(--color-primary);
}

.btn--dark {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: transparent;
}

.btn--dark:hover {
  background: var(--color-primary);
  color: var(--color-cream);
}

.btn--copper {
  color: var(--color-copper);
  border-color: var(--color-copper);
  background: transparent;
}

.btn--copper:hover {
  background: var(--color-copper);
  color: var(--color-white);
}

.btn--filled {
  color: var(--color-cream);
  background: var(--color-copper);
  border-color: var(--color-copper);
}

.btn--filled:hover {
  background: #7a3810;
  border-color: #7a3810;
}

/* --- Arrow Icon SVG --- */
.arrow-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  background: rgba(28, 59, 52, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background: rgba(28, 59, 52, 0.95);
  box-shadow: 0 1px 0 rgba(28, 59, 52, 0.15);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-h3);
  font-weight: var(--font-weight-medium);
  color: var(--color-cream);
  letter-spacing: 0.02em;
}

.nav__logo-mark {
  width: 28px;
  height: 28px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  font-size: var(--fs-nav);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cream);
  padding: 8px 16px;
  border: 1px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
}

.nav__link:hover {
  border-color: rgba(248, 241, 223, 0.3);
}

.nav__cta {
  font-size: var(--fs-nav);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-copper);
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-copper);
  transition: all var(--duration-fast) var(--ease-out);
  color: var(--color-cream);
}

.nav__cta:hover {
  background: #7a3810;
  border-color: #7a3810;
}

.nav__cta .arrow-icon {
  width: 14px;
  height: 14px;
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-cream);
  transition: all var(--duration-fast) var(--ease-out);
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__toggle {
    display: flex;
  }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-xl);
  background: var(--color-primary);
  overflow: hidden;
}

/* Gradient overlay — warm copper wash from bottom-left */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(197deg, rgba(28, 59, 52, 0) 14%, rgba(150, 69, 21, 0.3) 72%);
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
}

.hero__label {
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: var(--fs-display);
  font-weight: var(--font-weight-medium);
  line-height: 1.1;
  color: var(--color-cream);
  margin-bottom: var(--space-sm);
}

.hero__title-main {
  display: block;
}

.hero__subtitle {
  display: block;
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: var(--font-weight-regular);
  color: var(--color-sage);
  line-height: 1.3;
  margin-top: var(--space-xs);
}

.hero__subtitle span {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.hero__subtitle span.revealed {
  opacity: 1;
  transform: translateY(0);
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

/* ============================================================
   BACKERS / SOCIAL PROOF SECTION
   ============================================================ */
.backers {
  background: var(--color-sage-light);
  padding: var(--space-2xl) 0;
}

.backers__top {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.backers__label {
  margin-bottom: var(--space-lg);
}

.backers__investors {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.backers__investor {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  border-left: 1px solid var(--color-sage);
  height: 60px;
}

.backers__investor:first-child {
  border-left: none;
}

.backers__investor-name {
  font-size: var(--fs-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Advisors carousel */
.backers__bottom {
  margin-top: var(--space-xl);
  text-align: center;
}

.backers__bottom .backers__label {
  margin-bottom: var(--space-lg);
}

.carousel {
  overflow: hidden;
  position: relative;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.carousel__track {
  display: flex;
  gap: var(--space-lg);
  animation: scroll-carousel 30s linear infinite;
  width: max-content;
}

.carousel__item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border: 1px solid var(--color-sage);
  border-radius: 4px;
  height: 56px;
  min-width: 160px;
  flex-shrink: 0;
  background: var(--color-cream);
}

.carousel__item-name {
  font-size: var(--fs-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

@keyframes scroll-carousel {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   ENTERPRISE / FEATURES SECTION
   ============================================================ */
.enterprise {
  padding: var(--space-3xl) 0;
  background: var(--color-cream);
}

.enterprise__inner {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-lg);
  align-items: start;
}

.enterprise__left {
  background: var(--color-primary);
  padding: var(--space-xl);
  border-radius: 2px;
  position: sticky;
  top: 100px;
}

.enterprise__label {
  margin-bottom: var(--space-md);
}

.enterprise__title {
  font-size: var(--fs-h2);
  font-weight: var(--font-weight-medium);
  line-height: 1.15;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}

.enterprise__title span {
  display: inline-block;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.enterprise__title span.revealed {
  opacity: 1;
  transform: translateY(0);
}

.enterprise__desc {
  font-size: var(--fs-body-sm);
  line-height: 1.7;
  color: var(--color-sage);
  margin-bottom: var(--space-lg);
}

.enterprise__right {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Feature card */
.feature-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: 1px solid var(--color-sage);
  background: var(--color-sage-light);
  transition: all var(--duration-normal) var(--ease-out);
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: var(--color-primary);
  background: var(--color-white);
}

.feature-card__icon-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.feature-card__number {
  font-size: var(--fs-label);
  font-weight: var(--font-weight-medium);
  color: var(--color-copper);
  letter-spacing: 0.04em;
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  border: 1px solid rgba(28, 59, 52, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.feature-card__icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

/* Icon corner brackets */
.feature-card__icon::before,
.feature-card__icon::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: rgba(28, 59, 52, 0.25);
}

.feature-card__icon::before {
  top: -4px;
  left: -4px;
  border-top: 1px solid;
  border-left: 1px solid;
  border-color: inherit;
}

.feature-card__icon::after {
  bottom: -4px;
  right: -4px;
  border-bottom: 1px solid;
  border-right: 1px solid;
  border-color: inherit;
}

.feature-card__content h3 {
  font-size: var(--fs-h3);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}

.feature-card__content p {
  font-size: var(--fs-body-sm);
  color: rgba(28, 59, 52, 0.7);
  line-height: 1.6;
}

@media (max-width: 960px) {
  .enterprise__inner {
    grid-template-columns: 1fr;
  }
  .enterprise__left {
    position: static;
  }
}

/* ============================================================
   DATA VISUALIZATION — textbox inside footer reveal
   ============================================================ */
.dataviz__textbox {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 40px 76px;
  border: 1px solid rgba(248, 241, 223, 0.10);
  background: rgba(28, 59, 52, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  clip-path: inset(50% 0 50% 0);
  opacity: 0;
  transition: clip-path 0.9s var(--ease-out),
              opacity 0.6s var(--ease-out),
              transform 0.9s var(--ease-out);
  white-space: nowrap;
}

.dataviz__logo {
  width: 64px;
  height: 64px;
  opacity: 0;
  margin-bottom: 12px;
  transform: translateY(8px);
  transition: opacity 0.6s var(--ease-out) 0.4s, transform 0.6s var(--ease-out) 0.4s;
}

.dataviz__textbox.visible .dataviz__logo {
  opacity: 0.85;
  transform: translateY(0);
}

.dataviz__textbox.visible {
  clip-path: inset(0 0 0 0);
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.dataviz__line {
  font-family: var(--font-family);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 2.2;
  color: rgba(217, 216, 208, 0.7);
  font-weight: var(--font-weight-regular);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.dataviz__textbox.visible .dataviz__line:nth-child(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.55s;
}

.dataviz__textbox.visible .dataviz__line:nth-child(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.7s;
}

.dataviz__line--bold {
  color: var(--color-cream);
  font-weight: var(--font-weight-medium);
  font-size: 16px;
  letter-spacing: 0.22em;
}

/* ============================================================
   CAREERS SECTION
   ============================================================ */
.careers {
  padding: var(--space-3xl) 0;
  background: var(--color-cream);
}

.careers__header {
  margin-bottom: var(--space-xl);
}

.careers__label {
  margin-bottom: var(--space-md);
}

.careers__title {
  font-size: var(--fs-h2);
  font-weight: var(--font-weight-medium);
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  max-width: 600px;
}

.careers__title span {
  display: inline-block;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.careers__title span.revealed {
  opacity: 1;
  transform: translateY(0);
}

.careers__desc {
  font-size: var(--fs-body-sm);
  color: rgba(28, 59, 52, 0.7);
  line-height: 1.7;
  max-width: 500px;
}

/* Job cards */
.jobs {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-sage);
}

.job-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-sage);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.job-card:hover {
  padding-left: var(--space-sm);
  border-bottom-color: var(--color-primary);
}

.job-card__info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.job-card__location {
  font-size: var(--fs-label);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cream);
  background: var(--color-copper);
  padding: 4px 12px;
  white-space: nowrap;
}

.job-card__title {
  font-size: var(--fs-h3);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
}

.job-card__action {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-caption);
  color: rgba(28, 59, 52, 0.5);
  transition: color var(--duration-fast) var(--ease-out);
}

.job-card:hover .job-card__action {
  color: var(--color-copper);
}

.job-card__action .arrow-icon {
  width: 20px;
  height: 20px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: all var(--duration-fast) var(--ease-out);
}

.job-card:hover .job-card__action .arrow-icon {
  background: var(--color-copper);
  border-color: var(--color-copper);
  color: var(--color-white);
}

/* ============================================================
   FOOTER — sticky bar + scroll-reveal city canvas
   ============================================================ */

/* Page content wrapper sits above the fixed footer canvas */
.page-content {
  position: relative;
  z-index: 5;
}

.page-content > main {
  background: var(--color-cream);
}

.footer-bar {
  position: sticky;
  top: 60px;
  z-index: 100;
  background: var(--color-primary);
  border-top: 1px solid rgba(248, 241, 223, 0.12);
}

.footer-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.footer-bar__left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-cream);
}

.footer-bar__left .nav__logo-mark {
  width: 22px;
  height: 22px;
}

.footer-bar__links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-bar__link {
  font-size: var(--fs-caption);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
  color: rgba(248, 241, 223, 0.5);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-bar__link:hover {
  color: var(--color-cream);
}

.footer-bar__link--current {
  color: var(--color-cream);
}

.footer-bar__sep {
  color: rgba(248, 241, 223, 0.2);
  font-size: var(--fs-caption);
}

.footer-bar__right {
  display: flex;
  align-items: center;
}

.footer-bar__copy {
  font-size: var(--fs-caption);
  color: rgba(248, 241, 223, 0.3);
}

/* Full-screen canvas fixed at bottom — revealed as content scrolls away (curtain) */
.footer-reveal {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  top: 60px;
  background: #080a09;
  z-index: 1;
  overflow: hidden;
}

.footer-reveal__canvas {
  width: 100%;
  height: 100%;
}

/* Spacer that creates scroll room to reveal the fixed canvas */
.footer-spacer {
  height: 100vh;
  position: relative;
  pointer-events: none;
  background: transparent;
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.08s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.16s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.24s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.32s; }

.stagger-children.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Decorative binary text */
.deco-binary {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  opacity: 0.15;
  user-select: none;
  pointer-events: none;
}

.deco-binary--light {
  color: var(--color-cream);
}

.deco-binary--dark {
  color: var(--color-primary);
}

/* ============================================================
   HERO PROTOTYPES — Showcase sections
   ============================================================ */
.proto {
  position: relative;
  border-top: 1px solid rgba(230, 220, 184, 0.15);
}

.proto__label {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--grid-margin);
  background: rgba(28, 59, 52, 0.85);
  backdrop-filter: blur(8px);
  font-size: var(--fs-body-sm);
  color: var(--color-sage);
  letter-spacing: 0.02em;
}

.proto__stage {
  position: relative;
  height: 100vh;
  background: var(--color-primary);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-xl);
}

.proto__stage::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(197deg, rgba(28, 59, 52, 0) 14%, rgba(150, 69, 21, 0.3) 72%);
}

.proto__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.proto__text {
  position: relative;
  z-index: 3;
  padding: 0 var(--grid-margin);
  max-width: var(--grid-container);
}

.proto__title-main {
  display: block;
  font-size: var(--fs-display);
  font-weight: var(--font-weight-medium);
  line-height: 1.1;
  color: var(--color-cream);
  margin-bottom: var(--space-xs);
}

.proto__subtitle {
  display: block;
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: var(--font-weight-regular);
  color: var(--color-sage);
  line-height: 1.3;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --fs-display: 32px;
    --fs-h2: 26px;
    --fs-h3: 17px;
    --space-3xl: 80px;
    --space-2xl: 60px;
    --space-xl: 40px;
  }

  .hero {
    min-height: 90vh;
  }

  .hero__actions {
    flex-direction: column;
  }

  .backers__investors {
    flex-direction: column;
  }

  .backers__investor {
    border-left: none;
    border-top: 1px solid var(--color-sage);
    padding: 12px 20px;
  }

  .backers__investor:first-child {
    border-top: none;
  }

  .feature-card {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .feature-card__icon-wrap {
    flex-direction: row;
  }

  .job-card__info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .footer-bar__inner {
    height: auto;
    padding: var(--space-sm) 0;
    gap: var(--space-xs);
  }

  .footer-bar__right {
    display: none;
  }

  .footer-spacer {
    height: 70vh;
  }

  .dataviz__textbox {
    padding: 24px 32px;
    white-space: normal;
  }

  .dataviz__logo {
    width: 48px;
    height: 48px;
    margin-bottom: 8px;
  }

  .dataviz__line {
    font-size: 13px;
    letter-spacing: 0.12em;
  }

  .dataviz__line--bold {
    font-size: 14px;
    letter-spacing: 0.14em;
  }

  .proto__label {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--fs-caption);
  }
  .proto__text {
    padding: 0 var(--space-sm);
  }
}