:root {
  --blue: #073bff;
  --blue-dark: #001a8d;
  --lime: #c8fa28;
  --ink: #171927;
  --muted: #676b78;
  --soft: #f5f6fb;
  --line: #d8dae5;
  --white: #ffffff;
  --black: #05060a;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(var(--max), calc(100% - 56px));
  margin: 0 auto;
}

.section-pad {
  padding: clamp(70px, 9vw, 112px) 0;
}

.button {
  min-height: 36px;
  padding: 11px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 6px;
  font-size: 13px;
  font-weight: bold;
  letter-spacing: -0.04em;
  text-align: center;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.button-blue {
  min-width: 330px;
  color: var(--white);
  background: var(--blue);
}

.button-white {
  min-width: 320px;
  color: var(--blue);
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 640px;
  overflow: hidden;
  color: var(--white);
  background: var(--black);
}

.hero-media,
.automation-media,
.meeting-media {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
}

.hero-media {
  background-image:
    linear-gradient(90deg, rgba(5, 6, 10, 0.7), rgba(5, 6, 10, 0.28)),
    linear-gradient(180deg, rgba(5, 6, 10, 0.2), rgba(5, 6, 10, 0.42)),
    url("/images/bici.jpg");
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 72px));
  min-height: 640px;
  margin: 0 auto;
  padding: 30px 0 58px;
  display: flex;
  flex-direction: column;
}

.brand img {
  width: clamp(156px, 17vw, 230px);
  height: auto;
}

.hero-copy {
  max-width: 980px;
  margin-top: clamp(66px, 10vw, 98px);
}

.hero h1 {
  max-width: 930px;
  margin: 0;
  color: var(--lime);
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: bold;
}

.hero p {
  max-width: 900px;
  margin: 24px 0 22px;
  color: var(--lime);
  font-size: clamp(14px, 1.45vw, 17px);
  font-weight: 700;
}

.intro {
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(44px, 8vw, 92px);
  align-items: center;
}

.intro h2,
.club-file h2 {
  max-width: 500px;
  margin: 0 0 34px;
  color: #676a73;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.04em;
  font-weight: bold;
}

.intro p {
  max-width: 465px;
  margin: 0 0 26px;
  color: #505665;
  font-size: 14px;
  font-weight: 600;
}

.intro-photo {
  width: 100%;
  max-height: 395px;
  object-fit: cover;
}

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

.center-heading {
  max-width: 930px;
  margin: 0 auto;
  text-align: center;
}

.center-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4.5vw, 46px);
  line-height: 1.07;
  letter-spacing: -0.04em;
  font-weight: bold;
}

.center-heading p {
  margin: 16px auto 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 600;
}

.feature-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 42px 96px;
}

.feature-grid article {
  max-width: 430px;
}

.feature-grid h3 {
  margin: 0 0 9px;
  color: var(--lime);
  font-size: clamp(24px, 3vw, 31px);
  line-height: 1.03;
  font-weight: bold;
}

.feature-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 600;
}

.reasons {
  background: var(--soft);
}

.reasons .center-heading h2 {
  color: #676a73;
}

.reasons .center-heading p {
  color: #676a73;
}

.compact {
  max-width: 850px;
}

.reason-grid {
  max-width: 950px;
  margin: 38px auto 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 28px;
  align-items: start;
}

.reason-grid details {
  overflow: hidden;
  align-self: start;
  color: #20222b;
  background: #d9d7e0;
  border: 1px solid #8e8b9a;
  border-radius: 6px;
}

.reason-grid summary {
  min-height: 46px;
  padding: 9px 20px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 28px;
  cursor: pointer;
  font-size: 24px;
  font-weight: bold;
  line-height: 1.1;
  text-transform: uppercase;
  list-style: none;
}

.reason-grid summary::-webkit-details-marker {
  display: none;
}

.reason-grid summary::before {
  content: "+";
  font-size: 22px;
  font-weight: bold;
}

.reason-grid details[open] summary::before {
  content: "-";
}

.reason-grid p {
  margin: 0;
  padding: 0 22px 18px 76px;
  color: #3f4350;
  font-size: 14px;
  font-weight: 700;
  text-transform: none;
}

.automation {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  color: var(--lime);
  background: var(--black);
}

.automation-media {
  background-image:
    linear-gradient(90deg, rgba(5, 6, 10, 0.72), rgba(5, 6, 10, 0.18)),
    url("/images/fondo_team.jpg");
}

.automation-inner {
  position: relative;
  z-index: 1;
  min-height: 330px;
  padding: 62px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.automation h2 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 0.96;
  font-weight: bold;
}

.automation p {
  max-width: 610px;
  margin: 18px 0 0;
  font-size: 15px;
  font-weight: 700;
}

.club-file {
  background: var(--white);
}

.file-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(44px, 8vw, 96px);
  align-items: start;
}

.club-file ul {
  margin: 0;
  padding-left: 18px;
  color: #373d4b;
  font-size: 14px;
  font-weight: 700;
}

.file-grid img {
  width: 100%;
  max-height: 390px;
  object-fit: cover;
  filter: grayscale(1);
}

.needed {
  padding: 0 0 clamp(74px, 9vw, 110px);
  background: var(--white);
}

.needed-box {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(28px, 4vw, 42px);
  color: var(--black);
  background: var(--lime);
  border: 1px solid #74a916;
  border-radius: 8px;
}

.needed-box h2 {
  margin: 0 0 28px;
  font-size: clamp(28px, 4vw, 39px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: bold;
}

.needed-box > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
}

.needed-box ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  font-weight: 800;
}

.meeting {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  color: var(--lime);
  background: var(--black);
}

.meeting-media {
  background-image:
    linear-gradient(90deg, rgba(5, 6, 10, 0.78), rgba(5, 6, 10, 0.18)),
    url("/images/solana.jpg");
}

.meeting-inner {
  position: relative;
  z-index: 1;
  min-height: 360px;
  padding: 60px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.meeting h2 {
  max-width: 650px;
  margin: 0 0 18px;
  font-size: clamp(39px, 5.8vw, 64px);
  line-height: 0.95;
  font-weight: bold;
}

.meeting p {
  max-width: 690px;
  margin: 0 0 18px;
  color: var(--lime);
  font-size: 15px;
  font-weight: 700;
}

.closing {
  padding: 58px 0;
  color: var(--white);
  background: var(--blue);
}

.closing-inner {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 440px);
  gap: 54px;
  align-items: center;
}

.closing h2 {
  max-width: 610px;
  margin: 0;
  font-size: clamp(29px, 4vw, 43px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: bold;
}

.closing p {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 600;
}

.club-form {
  display: grid;
  gap: 10px;
}

.club-form input {
  min-height: 42px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--white);
  border: 0;
  border-radius: 6px;
}

.form-status {
  min-height: 18px;
  margin: 0;
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
}

@media (max-width: 900px) {
  .intro-grid,
  .file-grid,
  .closing-inner {
    grid-template-columns: 1fr;
  }

  .hero,
  .hero-inner {
    min-height: 650px;
  }

  .feature-grid,
  .reason-grid,
  .needed-box > div {
    grid-template-columns: 1fr;
  }

  .reason-grid summary {
    gap: 22px;
  }
}

@media (max-width: 620px) {
  .container,
  .hero-inner {
    width: calc(100% - 28px);
  }

  .button,
  .button-blue,
  .button-white {
    width: 100%;
    min-width: 0;
  }

  .hero,
  .hero-inner {
    min-height: 650px;
  }

  .brand img {
    width: 160px;
  }

  .hero-copy {
    margin-top: 86px;
  }

  .hero h1 {
    font-size: clamp(42px, 6vw, 78px);
    line-height: 1;
    letter-spacing: -0.04em;
  }

  .hero p {
    font-size: 15px;
  }

  .intro h2,
  .club-file h2,
  .center-heading h2,
  .closing h2,
  .needed-box h2 {
    letter-spacing: -0.04em;
  }

  .center-heading {
    text-align: left;
  }

  .reason-grid summary {
    font-size: 18px;
  }

  .reason-grid p {
    padding-left: 70px;
  }

  .automation,
  .automation-inner,
  .meeting,
  .meeting-inner {
    min-height: 390px;
  }
}