/* Visible Spokes — landing page */

@font-face {
  font-family: "DM Sans";
  src: url("DMSans-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("DMSans-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("DMSans-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --grey-0: #ffffff;
  --grey-100: #f5f5f5;
  --grey-300: #e6e4e4;
  --grey-400: #747474;
  --grey-800: #202020;
  --grey-900: #111111;
  --grey-0-alpha: rgba(255, 255, 255, 0.1);
  --yellow-800: #ffc300;
  --space-1: 8px;
  --space-1-5: 12px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --radius-2: 16px;
  --radius-1-5: 12px;
  --radius-pill: 80px;
  --container: 1280px;
  --max-large: 768px;
  --max-xsmall: 400px;
  --font: "DM Sans", system-ui, sans-serif;
  --font-display: "DM Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #07080b;
  color: var(--grey-0);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

/* Content above bike background */
.page {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}

.section {
  padding: var(--space-8) var(--space-4);
}

.section--tight {
  padding-block: var(--space-8);
}

.eyebrow {
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--grey-400);
}

.heading-hero {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 7.2vw, 98px);
  line-height: 0.85;
  letter-spacing: -0.03em;
  text-align: center;
  color: var(--grey-0);
}

.heading-h2 {
  font-weight: 600;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.heading-h3 {
  font-weight: 600;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.heading-h4 {
  font-weight: 600;
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.copy {
  font-size: 16px;
  line-height: 1.5;
}

.copy-bold {
  font-weight: 600;
  font-size: 16px;
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  height: 50px;
  padding: var(--space-1-5) var(--space-3);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 18px;
  line-height: 1;
  letter-spacing: -0.03em;
  white-space: nowrap;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--yellow-800);
  color: var(--grey-900);
}

.btn--primary:hover {
  background: #ffd133;
}

.btn--ghost {
  border: 1px solid var(--grey-0);
  color: var(--grey-0);
  background: transparent;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

.btn--text {
  height: auto;
  padding: 0;
  border-radius: 0;
  color: var(--grey-0);
}

.btn--text:hover {
  opacity: 0.75;
  transform: none;
}

.btn__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--space-3) var(--space-8);
  background: rgba(17, 17, 17, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: var(--container);
  margin: 0 auto;
}

.logo {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  line-height: 0.8;
  letter-spacing: -0.03em;
  color: var(--grey-0);
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  padding: 0 var(--space-1);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.03em;
  color: var(--grey-0);
  white-space: nowrap;
}

.nav__link:hover {
  opacity: 0.75;
}

.btn--buy {
  flex-shrink: 0;
}

/* Hero */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(800px, 100vh);
  max-height: 800px;
  padding: var(--space-10) var(--space-4);
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  max-width: var(--max-large);
  width: 100%;
  text-align: center;
}

.hero__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.hero__lead {
  max-width: 42ch;
  color: var(--grey-0);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Features / Why */
.features {
  padding: var(--space-8) var(--space-4);
}

.features__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding-block: var(--space-4);
}

.divider {
  height: 1px;
  width: 100%;
  background: var(--grey-0-alpha);
  border: 0;
}

.feature-row {
  display: flex;
  align-items: baseline;
  gap: 80px;
  width: 100%;
  padding-block: 2px;
}

.feature-row__title {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  flex-shrink: 0;
}

.feature-row__num {
  width: 30px;
  color: var(--grey-400);
  flex-shrink: 0;
}

.feature-row__name {
  width: 300px;
  font-weight: 600;
  font-size: clamp(22px, 2.5vw, 34px);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.feature-row__desc {
  width: 400px;
  max-width: 100%;
  color: var(--grey-0);
}

/* Gallery / Video slider */
.gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding: var(--space-8) 0;
  overflow: hidden;
}

.gallery__head {
  padding-inline: var(--space-4);
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
}

.slider {
  --slide-w: min(1100px, calc(100vw - 180px));
  --slide-gap: 24px;
  position: relative;
  width: 100%;
}

.slider__viewport {
  overflow: hidden;
  width: 100%;
}

.slider__track {
  display: flex;
  gap: var(--slide-gap);
  align-items: stretch;
  width: max-content;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.slide {
  position: relative;
  flex: 0 0 var(--slide-w);
  width: var(--slide-w);
  aspect-ratio: 1100 / 619;
  overflow: hidden;
  background: #0a0a0a;
  opacity: 0.2;
  cursor: pointer;
  transition: opacity 0.45s ease;
}

.slide.is-active {
  opacity: 1;
  cursor: default;
}

.slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.slider__btn {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border: 1px solid var(--grey-0);
  border-radius: var(--radius-pill);
  background: rgba(7, 8, 11, 0.45);
  backdrop-filter: blur(6px);
  color: var(--grey-0);
  transform: translateY(-50%);
  transition: background 0.2s ease;
}

.slider__btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* Arrows sit over the dimmed side peeks */
.slider__btn--prev {
  left: 40px;
}

.slider__btn--next {
  right: 40px;
}

.slider__btn svg {
  width: 24px;
  height: 24px;
}

.gallery__caption {
  max-width: 600px;
  margin: 0 auto;
  padding-inline: var(--space-4);
  text-align: center;
  color: var(--grey-0);
}

/* Installation */
.install {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.install__intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  max-width: 600px;
}

.install__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: var(--container);
}

.install__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.install-card {
  display: flex;
  gap: var(--space-1);
  align-items: baseline;
  padding: var(--space-3);
  border: 1px solid var(--grey-0-alpha);
  border-radius: var(--radius-2);
}

.install-card__num {
  width: 30px;
  flex-shrink: 0;
  color: var(--grey-400);
}

.install-card__text {
  font-weight: 600;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

/* Specs — white panel */
.specs {
  background: var(--grey-0);
  color: var(--grey-900);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.specs__title {
  width: 100%;
  max-width: var(--container);
  color: var(--grey-900);
}

.specs__table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: var(--container);
  border: 1px solid var(--grey-300);
  border-radius: var(--radius-1-5);
  overflow: hidden;
}

.specs__col {
  display: flex;
  flex-direction: column;
}

.specs__col + .specs__col {
  border-left: 1px solid var(--grey-300);
}

.spec-row {
  display: flex;
  align-items: baseline;
  padding: var(--space-1) var(--space-2);
  border-bottom: 1px solid var(--grey-300);
  min-height: 40px;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row__label {
  flex: 1;
  min-width: 140px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--grey-900);
}

.spec-row__value {
  flex: 1;
  padding-left: var(--space-1-5);
  font-size: 16px;
  line-height: 1.5;
  color: var(--grey-900);
}

/* Compatibility */
.compat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.compat__intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  max-width: 600px;
}

.compat__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: var(--container);
}

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

.compat-card {
  padding: var(--space-3);
  border: 1px solid var(--grey-0-alpha);
  border-radius: var(--radius-2);
}

.compat-card p {
  font-weight: 600;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.compat__note {
  max-width: 392px;
  text-align: center;
  color: var(--grey-0);
}

/* Included */
.included {
  padding: var(--space-8) var(--space-4);
}

.included__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-block: var(--space-4);
  max-width: var(--container);
  margin: 0 auto;
}

.included__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.included__head .heading-h4 {
  color: var(--grey-0);
}

.included-item {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
}

.included-item__num {
  width: 30px;
  color: var(--grey-400);
  flex-shrink: 0;
}

.included-item__name {
  max-width: 500px;
  font-weight: 600;
  font-size: clamp(22px, 2.5vw, 34px);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.included__note {
  max-width: 392px;
  color: var(--grey-0);
}

/* FAQ — light */
.faq {
  background: var(--grey-100);
  color: var(--grey-900);
}

.faq__block {
  padding: var(--space-8);
  max-width: calc(var(--container) + var(--space-8) * 2);
  margin: 0 auto;
}

.faq__title {
  margin-bottom: var(--space-6);
  max-width: var(--max-large);
  color: var(--grey-900);
}

.faq__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: var(--container);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq-item {
  width: 100%;
  text-align: left;
}

.faq-item__q {
  display: flex;
  gap: var(--space-1);
  align-items: flex-start;
  width: 100%;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.5;
  color: var(--grey-900);
  text-align: left;
}

.faq-item__q span {
  flex: 1;
}

.faq-item__icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq-item.is-open .faq-item__a {
  grid-template-rows: 1fr;
}

.faq-item__a-inner {
  overflow: hidden;
}

.faq-item__a p {
  padding-top: var(--space-1);
  color: var(--grey-900);
  opacity: 0.85;
}

.faq-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  text-align: center;
}

.faq-banner__title {
  color: var(--grey-900);
}

/* Footer */
.footer {
  background: rgba(17, 17, 17, 0.92);
  padding: var(--space-8) var(--space-8) var(--space-4);
}

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

.footer__about {
  max-width: 400px;
  color: var(--grey-0);
}

.footer__links {
  width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}

.footer__link {
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.03em;
  color: var(--yellow-800);
}

.footer__link:hover {
  opacity: 0.8;
}

.footer__brand {
  margin-top: 180px;
  max-width: var(--container);
  margin-inline: auto;
}

.footer__wordmark {
  display: block;
  width: 100%;
  max-width: 1268px;
  height: auto;
  color: var(--grey-0);
}

.footer__bottom {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: var(--container);
  margin: var(--space-6) auto 0;
}

.footer__copy {
  flex: 1;
  color: var(--grey-400);
}

.footer__social {
  display: flex;
  gap: var(--space-1);
  justify-content: flex-end;
  flex-wrap: wrap;
  max-width: 400px;
}

.footer__social-dot {
  width: 30px;
  height: 24px;
  border-radius: 4px;
  background: var(--grey-800);
}

/* ——— Tablet ≤1024 (Figma 768) ——— */
@media (max-width: 1024px) {
  .navbar {
    padding: var(--space-3);
  }

  .navbar__inner {
    gap: var(--space-4);
  }

  .logo {
    font-size: 22px;
    letter-spacing: -0.03em;
  }

  /* Figma tablet/mobile: logo + Buy now only */
  .nav {
    display: none;
  }

  .heading-hero {
    font-size: 48px;
    letter-spacing: -0.03em;
    line-height: 0.8;
  }

  .hero {
    padding: var(--space-10) var(--space-3);
  }

  .section,
  .features,
  .install,
  .compat,
  .included,
  .specs {
    padding-inline: var(--space-3);
  }

  .features {
    padding-inline: var(--space-2);
  }

  .feature-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .feature-row__name {
    width: auto;
    max-width: 300px;
  }

  .feature-row__desc {
    width: 100%;
  }

  .gallery__head {
    padding-inline: var(--space-3);
  }

  .gallery__caption {
    max-width: none;
    width: 100%;
    text-align: left;
  }

  .slider {
    --slide-w: 280px;
    --slide-gap: 24px;
  }

  .slide {
    aspect-ratio: 280 / 329;
  }

  .slider__btn {
    width: 48px;
    height: 48px;
  }

  .slider__btn--prev {
    left: 12px;
  }

  .slider__btn--next {
    right: 12px;
  }

  .install__intro,
  .compat__intro {
    max-width: none;
    width: 100%;
  }

  .install__row,
  .compat__row {
    grid-template-columns: 1fr;
  }

  .install .btn--ghost {
    width: 100%;
    max-width: none;
  }

  .specs {
    padding-inline: 0;
  }

  .specs__title {
    padding-inline: var(--space-3);
  }

  .specs__table {
    grid-template-columns: 1fr;
    max-width: none;
    width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .specs__col + .specs__col {
    border-left: none;
  }

  .faq__grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .faq__block,
  .faq-banner {
    padding-inline: var(--space-3);
  }

  .footer {
    padding: var(--space-8) var(--space-3) var(--space-4);
  }

  .footer__top {
    flex-direction: column;
    gap: var(--space-6);
  }

  .footer__about,
  .footer__links {
    max-width: none;
    width: auto;
  }

  .footer__brand {
    margin-top: 120px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__social {
    max-width: none;
    justify-content: flex-start;
  }
}

/* ——— Mobile ≤599 (Figma 375) ——— */
@media (max-width: 599px) {
  .navbar {
    padding: var(--space-3);
  }

  .logo {
    font-size: 22px;
  }

  .btn--buy {
    padding-inline: 20px;
  }

  .btn--buy .btn__icon {
    display: none;
  }

  .heading-hero {
    font-size: clamp(36px, 11vw, 48px);
  }

  .hero {
    max-height: none;
    min-height: min(800px, 100svh);
    padding: var(--space-10) var(--space-3);
  }

  .hero__actions {
    flex-wrap: wrap;
    justify-content: center;
  }

  .section,
  .features,
  .install,
  .compat,
  .included {
    padding-inline: var(--space-3);
  }

  .features {
    padding-inline: var(--space-2);
  }

  .feature-row__name,
  .included-item__name {
    font-size: 28px;
    max-width: none;
    width: auto;
  }

  .heading-h2 {
    font-size: 28px;
  }

  .install-card__text,
  .compat-card p {
    font-size: 18px;
  }

  .gallery__caption {
    text-align: left;
  }

  .slider {
    --slide-w: min(280px, calc(100vw - 48px));
  }

  .slide {
    aspect-ratio: 280 / 329;
  }

  .slider__btn {
    width: 44px;
    height: 44px;
  }

  .spec-row {
    min-height: 40px;
  }

  .spec-row__label {
    min-width: 0;
    font-size: 12px;
  }

  .spec-row__value {
    font-size: 14px;
  }

  .faq__block {
    padding: var(--space-8) var(--space-3);
  }

  .faq-banner {
    padding-inline: var(--space-3);
  }

  .footer__brand {
    margin-top: 80px;
  }
}

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

  .slider__track,
  .slide,
  .btn,
  .faq-item__icon,
  .faq-item__a {
    transition: none;
  }
}