/* ========== RESET ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ========== ACCESSIBILITY UTILITIES ========== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 9999;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 12px 20px;
  border-radius: 0 0 8px 8px;
  font-weight: 700;
  text-decoration: none;
  font-size: var(--text-sm);
}

.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

.btn:focus-visible,
.nav__cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent);
}

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

/* ========== UTILITIES ========== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  border: none;
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base);
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-primary);
  padding: 14px 32px;
}

.btn--primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn--lg {
  font-size: var(--text-lg);
  padding: 18px 40px;
}

.btn .material-icons-round {
  font-size: 20px;
}

/* ========== NAVIGATION ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--space-lg);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav--solid {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav__logo {
  z-index: 1001;
}

.logo-text {
  font-family: var(--font-logo);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.logo-tx {
  color: var(--accent);
  letter-spacing: 0.06em;
}

.logo-dot {
  color: var(--accent);
  margin: 0 0.25em;
  font-size: 0.6em;
  vertical-align: middle;
}

.logo-impaxt {
  letter-spacing: 0.01em;
}

.logo-x {
  color: var(--accent);
}

.logo-text--hero {
  font-size: var(--text-4xl);
}

.logo-text--hero .logo-dot {
  margin: 0 0.3em;
}

.logo-text--sm {
  font-size: var(--text-lg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  letter-spacing: 0.5px;
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__cta {
  background: var(--accent);
  color: var(--bg-primary) !important;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav__cta:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== INTERACTIVE BACKGROUND CANVAS ========== */
.bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ========== HERO ========== */
.nav,
section,
footer {
  position: relative;
  z-index: 1;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--section-padding) var(--space-lg);
  background: transparent;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(45, 212, 168, 0.03) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(45, 212, 168, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.hero__content {
  max-width: 800px;
  width: 100%;
  position: relative;
  z-index: 1;
}

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

.hero__line {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  color: var(--text-primary);
  line-height: 1.8;
  opacity: 0;
  min-height: 1.8em;
}

.hero__line--break {
  min-height: 1.2em;
}

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

.hero__line--bold {
  color: var(--accent);
  font-weight: 500;
}

.hero__line.typed {
  opacity: 1;
}

.hero__line .cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}

/* ========== HERO SCENE ANIMATIONS ========== */
.hero__scene {
  opacity: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.8s ease;
  margin-bottom: var(--space-lg);
}

.hero__scene.fade-out {
  opacity: 0;
}

.scene {
  display: none;
  width: 100%;
  max-width: 420px;
}

.scene.active {
  display: block;
}

.scene svg {
  width: 100%;
  height: auto;
}

.scene__message {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--accent);
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  margin-top: var(--space-lg);
}

.scene__message.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__brand {
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
}

.hero__brand.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__heading {
  font-family: var(--font-tag);
  font-size: var(--text-sm);
  letter-spacing: 0.25em;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.hero__tagline {
  font-family: var(--font-tag);
  font-size: var(--text-sm);
  letter-spacing: 0.4em;
  color: var(--accent);
  margin-top: var(--space-md);
  font-weight: 400;
}

.hero__rule {
  border: none;
  height: 1px;
  background: var(--border);
  margin-top: var(--space-md);
  width: 80%;
  margin-left: auto;
  margin-right: auto;
}

.hero__scroll {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 1s ease 0.5s;
}

.hero__scroll.visible {
  opacity: 1;
}

.hero__scroll .material-icons-round {
  font-size: 32px;
  color: var(--text-muted);
  animation: bobble 2s ease-in-out infinite;
}

/* ========== STATS ========== */
.stats {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.stats__item {
  text-align: center;
  padding: var(--space-lg);
}

.stats__number {
  font-size: var(--text-6xl);
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.stats__icon-stat {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.stats__icon-stat .material-icons-round {
  font-size: 64px;
  color: var(--accent);
}

.stats__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.5;
}

.stats__summary {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== STORY ========== */
.story {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.story__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  font-size: var(--text-xl);
  color: var(--text-secondary);
  line-height: 1.7;
}

.story__beats {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.story__beat {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.story__beat-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.story__beat-icon .material-icons-round {
  font-size: 28px;
  color: var(--accent);
}

.story__beat-content h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.story__beat-content p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== FEATURES ========== */
.features {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.features__intro {
  text-align: center;
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.features__card {
  perspective: 1000px;
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
}

.features__card-inner {
  position: relative;
  width: 100%;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
}

.features__card:hover .features__card-inner,
.features__card:focus-within .features__card-inner,
.features__card.flipped .features__card-inner {
  transform: rotateY(180deg);
}

.features__card-front,
.features__card-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.features__card-front {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.features__card-back {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  box-shadow: 0 12px 40px var(--accent-glow);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.features__card-back svg {
  width: 100%;
  max-height: 170px;
}

.features__card-back-label {
  font-size: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: var(--space-sm);
  opacity: 0.7;
}

.features__card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(29, 158, 117, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.features__card-icon .material-icons-round {
  font-size: 24px;
  color: var(--accent);
}

.features__card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.features__card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== HOW IT WORKS ========== */
.how-it-works {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.how-it-works__intro {
  text-align: center;
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.how-it-works__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.how-it-works__step {
  flex: 1;
  text-align: center;
  padding: var(--space-md);
  position: relative;
}

.how-it-works__number {
  font-family: var(--font-logo);
  font-weight: 800;
  font-size: var(--text-3xl);
  color: var(--accent);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.how-it-works__illustration {
  width: 140px;
  height: 120px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.how-it-works__illustration svg {
  width: 100%;
  height: 100%;
}

.how-it-works__step h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.how-it-works__step p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.how-it-works__connector {
  width: 40px;
  height: 2px;
  background: var(--border);
  margin-top: 110px;
  flex-shrink: 0;
}

/* ========== DEMO VIDEO ========== */
.demo {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.demo__intro {
  text-align: center;
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.demo__player {
  max-width: 900px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.demo__player iframe {
  width: 100%;
  height: 100%;
}

.demo__placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  cursor: pointer;
  transition: background var(--transition-base);
}

.demo__placeholder:hover {
  background: var(--bg-primary);
}

.demo__placeholder:hover .demo__play-btn {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: scale(1.05);
}

.demo__play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: rgba(29, 158, 117, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.demo__play-btn .material-icons-round {
  font-size: 40px;
  color: var(--accent);
  margin-left: 4px;
}

.demo__coming-soon {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

/* ========== TEAM ========== */
.team {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.team__card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base);
}

.team__card:hover {
  border-color: var(--accent);
}

.team__avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.team__initials {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--bg-primary);
}

.team__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.team__role {
  font-size: var(--text-sm);
  color: var(--accent);
  font-weight: 500;
  display: block;
  margin-bottom: var(--space-md);
}

.team__bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== TIMELINE (We Know Your World) ========== */
.timeline {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.timeline__intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  font-size: var(--text-xl);
  color: var(--text-secondary);
}

.timeline__items {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.timeline__items::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline__item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding-bottom: var(--space-xl);
  position: relative;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__time {
  flex-shrink: 0;
  width: 56px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  padding-top: 4px;
  text-align: right;
}

.timeline__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.timeline__icon .material-icons-round {
  font-size: 20px;
  color: var(--text-muted);
}

.timeline__detail {
  flex: 1;
  padding-top: 2px;
}

.timeline__detail h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.timeline__detail p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Solution item — the final "what if" */
.timeline__item--solution .timeline__time {
  color: var(--accent);
}

.timeline__item--solution .timeline__time .material-icons-round {
  font-size: 20px;
}

.timeline__item--solution .timeline__icon {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.timeline__item--solution .timeline__icon .material-icons-round {
  color: var(--bg-primary);
}

.timeline__item--solution .timeline__detail h3 {
  color: var(--accent);
}

/* ========== CONTACT ========== */
.contact {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(45, 212, 168, 0.03), transparent);
  pointer-events: none;
}

.contact__content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.contact__heading {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.contact__text {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.contact__links {
  margin-top: var(--space-lg);
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}

.contact__social {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.contact__social:hover {
  color: var(--accent);
}

.contact__social svg {
  width: 20px;
  height: 20px;
}

/* ========== CONTACT FORM ========== */
.contact-form {
  width: 100%;
  max-width: 680px;
  margin: var(--space-lg) auto 0;
  text-align: left;
}

/* Honeypot — completely hidden */
.contact-form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.contact-form__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.contact-form__required {
  color: var(--accent);
  margin-left: 2px;
}

.contact-form__input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  box-sizing: border-box;
}

.contact-form__input::placeholder {
  color: var(--text-muted);
}

.contact-form__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.contact-form__input.is-invalid {
  border-color: #e05252;
}

.contact-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23848494' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.contact-form__select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* Consent checkbox */
.contact-form__field--consent {
  margin-top: var(--space-sm);
}

.contact-form__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.contact-form__checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.contact-form__checkbox-custom {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-primary);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-form__checkbox:checked + .contact-form__checkbox-custom {
  background: var(--accent);
  border-color: var(--accent);
}

.contact-form__checkbox:checked + .contact-form__checkbox-custom::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #0D1117;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
}

.contact-form__checkbox:focus + .contact-form__checkbox-custom {
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.contact-form__checkbox.is-invalid + .contact-form__checkbox-custom {
  border-color: #e05252;
}

.contact-form__checkbox-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-form__link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition-fast);
}

.contact-form__link:hover {
  text-decoration-color: var(--accent);
}

/* Inline field errors */
.contact-form__error {
  font-size: var(--text-xs);
  color: #e05252;
  min-height: 1em;
  display: block;
}

/* Form footer */
.contact-form__footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.contact-form__submit {
  position: relative;
  min-width: 240px;
}

.contact-form__submit-loading {
  display: none;
  align-items: center;
  gap: var(--space-sm);
}

.contact-form__submit.is-loading .contact-form__submit-text {
  display: none;
}

.contact-form__submit.is-loading .contact-form__submit-loading {
  display: flex;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.contact-form__spinner {
  width: 18px;
  height: 18px;
  animation: spin 0.8s linear infinite;
}

.contact-form__note {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin: 0;
}

/* Success state */
.contact-form__success[hidden] {
  display: none;
}

.contact-form__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: rgba(29, 158, 117, 0.08);
  border: 1px solid rgba(29, 158, 117, 0.3);
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
  animation: fadeInUp 0.4s ease forwards;
}

.contact-form__success-icon {
  font-size: 2.5rem;
  color: var(--accent);
}

.contact-form__success-heading {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.contact-form__success-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin: 0;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Error banner */
.contact-form__error-banner[hidden] {
  display: none;
}

.contact-form__error-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 14px 16px;
  background: rgba(224, 82, 82, 0.08);
  border: 1px solid rgba(224, 82, 82, 0.3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: #e05252;
  margin-top: var(--space-md);
}

.contact-form__error-banner .material-icons-round {
  flex-shrink: 0;
  font-size: 1.2rem;
  margin-top: 1px;
}

.contact-form__error-banner a {
  color: inherit;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
  .contact-form__row {
    grid-template-columns: 1fr;
  }
}

/* ========== FOOTER ========== */
.footer {
  padding: var(--space-2xl) 0 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.footer__col--brand {
  padding-right: var(--space-lg);
}

.footer__logo {
  display: inline-block;
  margin-bottom: var(--space-md);
  text-decoration: none;
}

.footer__tagline {
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.footer__company {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--accent);
}

.footer__contact-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

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

.footer__email {
  font-size: var(--text-sm);
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: var(--space-md) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__admin-link {
  font-size: var(--text-xs);
  color: var(--text-muted);
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.footer__admin-link:hover {
  opacity: 1;
  color: var(--accent);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
}

.footer__legal-link {
  color: var(--accent);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1023px) {
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

}

@media (max-width: 767px) {
  :root {
    --section-padding: 80px;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    transition: right var(--transition-base);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__link {
    font-size: var(--text-lg);
  }

  .nav__hamburger {
    display: flex;
  }

  .hero__line {
    font-size: var(--text-lg);
  }

  .logo-text--hero {
    font-size: var(--text-3xl);
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .stats__number {
    font-size: var(--text-5xl);
  }

  .stats__icon-stat .material-icons-round {
    font-size: 48px;
  }

  .timeline__items::before {
    left: 20px;
  }

  .timeline__time {
    width: 44px;
    font-size: var(--text-xs);
  }

  .timeline__icon {
    width: 32px;
    height: 32px;
  }

  .timeline__icon .material-icons-round {
    font-size: 16px;
  }

  .how-it-works__steps {
    flex-direction: column;
    align-items: center;
  }

  .how-it-works__step {
    max-width: 320px;
  }

  .how-it-works__connector {
    width: 2px;
    height: 24px;
    margin: 0;
  }

  .story__beat {
    flex-direction: column;
    gap: var(--space-md);
  }

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

  .team__grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .contact__heading {
    font-size: var(--text-3xl);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer__col--brand {
    grid-column: 1 / -1;
    padding-right: 0;
  }
}

@media (max-width: 480px) {
  .stats__grid {
    grid-template-columns: 1fr;
  }

  .hero__line {
    font-size: var(--text-base);
  }

  .logo-text--hero {
    font-size: var(--text-2xl);
  }
}