:root {
  color-scheme: dark;
  --bg-0: #04070f;
  --bg-1: #0a101d;
  --panel: #0f1726;
  --panel-strong: #0c1320;
  --surface: rgba(16, 26, 42, 0.84);
  --surface-strong: rgba(10, 18, 30, 0.94);
  --line: rgba(93, 121, 167, 0.35);
  --line-strong: rgba(132, 164, 216, 0.52);
  --text: #f2f6ff;
  --muted: #9fb0cc;
  --blue: #15b8ff;
  --blue-soft: rgba(21, 184, 255, 0.24);
  --orange: #ff850b;
  --orange-soft: rgba(255, 133, 11, 0.24);
  --red: #ff3c2e;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-1: 0 16px 40px rgba(0, 0, 0, 0.42);
  --shadow-blue: 0 0 0 1px rgba(21, 184, 255, 0.24), 0 16px 34px rgba(12, 80, 160, 0.24);
  --shadow-orange: 0 0 0 1px rgba(255, 133, 11, 0.24), 0 16px 34px rgba(170, 74, 14, 0.22);
  --container-width: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: "Rajdhani", "Segoe UI", sans-serif;
  font-size: 18px;
  letter-spacing: 0.01em;
  background:
    radial-gradient(1200px 700px at 0% 0%, rgba(21, 184, 255, 0.14), transparent 55%),
    radial-gradient(1000px 650px at 100% 40%, rgba(255, 133, 11, 0.12), transparent 60%),
    radial-gradient(900px 500px at 65% 100%, rgba(255, 60, 46, 0.11), transparent 65%),
    linear-gradient(145deg, var(--bg-0), var(--bg-1));
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.2;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(40% 35% at 18% 12%, rgba(21, 184, 255, 0.14), transparent 70%),
    radial-gradient(30% 28% at 86% 20%, rgba(255, 133, 11, 0.18), transparent 72%),
    radial-gradient(30% 22% at 70% 74%, rgba(255, 60, 46, 0.12), transparent 76%);
  pointer-events: none;
  z-index: 0;
}

img {
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

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

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

.page-shell {
  position: relative;
  z-index: 1;
}

.container {
  width: min(var(--container-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(4, 7, 15, 0.86), rgba(4, 7, 15, 0.58));
  border-bottom: 1px solid rgba(104, 131, 175, 0.18);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand-mark {
  flex: 0 0 auto;
}

.brand-mark img {
  width: clamp(144px, 16vw, 220px);
  display: block;
  filter: drop-shadow(0 10px 20px rgba(255, 99, 32, 0.22));
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex: 1 1 auto;
  min-width: 0;
}

.site-nav a,
.footer-links a {
  color: #d7e3f8;
  font-weight: 600;
  opacity: 0.88;
  transition: color 0.16s ease, opacity 0.16s ease;
}

.site-nav a:hover,
.footer-links a:hover {
  color: #ffffff;
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: "Teko", "Rajdhani", sans-serif;
  font-size: 24px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background-color 0.18s ease;
}

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

.button-primary {
  color: #08101b;
  background: linear-gradient(135deg, #ffffff, #cfeaff 32%, #6ed8ff 64%, #18b9ff);
  box-shadow: var(--shadow-blue);
}

.button-primary:hover {
  box-shadow: 0 0 0 1px rgba(21, 184, 255, 0.4), 0 20px 40px rgba(12, 92, 170, 0.34);
}

.button-secondary {
  color: #fff6f0;
  background: linear-gradient(135deg, #ffb364, #ff8c12 50%, #ff631d);
  box-shadow: var(--shadow-orange);
}

.button-secondary:hover {
  box-shadow: 0 0 0 1px rgba(255, 133, 11, 0.4), 0 20px 40px rgba(160, 64, 12, 0.3);
}

.button-ghost {
  color: #eef5ff;
  background: rgba(15, 23, 38, 0.72);
  border-color: rgba(98, 130, 179, 0.34);
}

.button-ghost:hover {
  border-color: rgba(21, 184, 255, 0.34);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.24);
}

.button-large {
  min-height: 56px;
  padding: 0 24px;
  font-size: 28px;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  gap: 28px;
  padding: 42px 0 28px;
  align-items: center;
}

.hero-copy,
.hero-stage,
.signal-card,
.problem-card,
.audience-panel,
.process-step,
.showcase-card,
.faq-card,
.contact-form,
.contact-side-card,
.aside-panel,
.value-strip-inner {
  position: relative;
}

.eyebrow,
.stage-label,
.signal-kicker,
.aside-label,
.showcase-kicker,
.float-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(110, 146, 198, 0.28);
  background: rgba(12, 18, 31, 0.78);
  color: #dce9ff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.audience-copy h2,
.showcase-copy h2,
.contact-copy h2,
.stage-column h2,
.faq-card h3,
.problem-card h3,
.process-step h3 {
  font-family: "Teko", "Rajdhani", sans-serif;
  line-height: 0.94;
  letter-spacing: 0.03em;
}

.hero-copy h1 {
  margin-top: 18px;
  font-size: clamp(68px, 10vw, 112px);
  max-width: 10.4ch;
}

.hero-copy h1 .accent-blue {
  color: #9ee4ff;
  text-shadow: 0 0 18px rgba(21, 184, 255, 0.18);
}

.hero-copy h1 .accent-orange {
  color: #ffad54;
  text-shadow: 0 0 18px rgba(255, 133, 11, 0.18);
}

.hero-lead,
.section-heading p,
.audience-lead,
.showcase-copy p,
.contact-copy p,
.stage-column p,
.signal-card p,
.problem-card p,
.process-step p,
.faq-card p,
.aside-panel p,
.showcase-card p,
.contact-side-card p,
.footer-text,
.hero-note,
.footer-links {
  color: var(--muted);
}

.hero-lead {
  max-width: 670px;
  margin-top: 16px;
  font-size: 22px;
  line-height: 1.42;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-note {
  max-width: 560px;
  margin-top: 18px;
  font-size: 16px;
}

.hero-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.signal-card,
.problem-card,
.process-step,
.faq-card,
.contact-side-card,
.aside-panel,
.contact-form,
.value-strip-inner,
.hero-stage-panel {
  border: 1px solid rgba(98, 126, 173, 0.26);
  background:
    linear-gradient(180deg, rgba(15, 23, 38, 0.92), rgba(10, 16, 29, 0.96)),
    radial-gradient(circle at top right, rgba(21, 184, 255, 0.08), transparent 40%),
    radial-gradient(circle at bottom left, rgba(255, 133, 11, 0.08), transparent 45%);
  box-shadow: var(--shadow-1);
}

.signal-card,
.problem-card,
.process-step,
.faq-card,
.contact-side-card,
.aside-panel {
  border-radius: var(--radius-md);
  padding: 18px;
}

.signal-card strong,
.aside-panel strong,
.contact-side-card strong {
  display: block;
  margin-top: 12px;
  font-size: 24px;
  line-height: 1.05;
}

.signal-card p,
.problem-card p,
.process-step p,
.faq-card p,
.aside-panel p,
.contact-side-card p,
.showcase-card p {
  margin-top: 10px;
  line-height: 1.42;
}

.hero-stage {
  min-height: 660px;
  display: grid;
  align-items: center;
}

.hero-stage-backdrop {
  position: absolute;
  inset: 60px 0 40px;
  border-radius: 32px;
  background:
    linear-gradient(160deg, rgba(3, 6, 14, 0.2), rgba(7, 12, 20, 0.86)),
    linear-gradient(135deg, rgba(3, 11, 22, 0.34), rgba(9, 13, 20, 0.18)),
    url("./assets/bg_images/kerb_background_home.jpg") center / cover;
  opacity: 0.74;
  filter: grayscale(1) contrast(1.1);
  border: 1px solid rgba(110, 143, 196, 0.18);
}

.hero-stage-panel {
  border-radius: 28px;
}

.hero-stage-panel-main {
  position: relative;
  padding: 24px;
  margin-inline: 30px;
  z-index: 2;
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px minmax(0, 1fr) 24px minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
  margin-top: 18px;
}

.stage-column {
  min-height: 240px;
  border-radius: 22px;
  padding: 20px;
  background: linear-gradient(180deg, rgba(9, 16, 29, 0.95), rgba(13, 22, 37, 0.88));
  border: 1px solid rgba(93, 121, 167, 0.22);
}

.stage-column.accent-orange {
  box-shadow: inset 0 0 0 1px rgba(255, 133, 11, 0.15);
}

.stage-column.accent-blue {
  box-shadow: inset 0 0 0 1px rgba(21, 184, 255, 0.15);
}

.stage-number,
.problem-index,
.process-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(97, 131, 184, 0.36);
  background: rgba(5, 10, 20, 0.62);
  color: #f6fbff;
  font-family: "Teko", "Rajdhani", sans-serif;
  font-size: 28px;
  letter-spacing: 0.05em;
}

.stage-column h2 {
  margin-top: 16px;
  font-size: 36px;
}

.stage-connector {
  position: relative;
}

.stage-connector::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(21, 184, 255, 0), rgba(21, 184, 255, 0.9), rgba(255, 133, 11, 0.9), rgba(255, 133, 11, 0));
}

.hero-stage-panel-float {
  position: absolute;
  width: min(260px, 42vw);
  padding: 18px;
  z-index: 3;
}

.hero-stage-panel-float strong {
  display: block;
  margin-top: 10px;
  font-size: 28px;
  line-height: 0.96;
}

.hero-stage-panel-float p {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.36;
}

.stage-float-left {
  left: 0;
  bottom: 56px;
}

.stage-float-right {
  right: 0;
  top: 58px;
}

.value-strip {
  padding-bottom: 8px;
}

.value-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
  border-radius: 999px;
}

.value-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 54px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(93, 121, 167, 0.16);
}

.value-pill-title {
  color: #f6fbff;
  font-family: "Teko", "Rajdhani", sans-serif;
  font-size: 28px;
  letter-spacing: 0.04em;
}

.value-pill-text {
  color: var(--muted);
  font-size: 16px;
}

.section {
  padding: 90px 0 0;
}

.section-heading {
  max-width: 820px;
}

.section-heading.narrow {
  max-width: 720px;
}

.section-heading h2,
.audience-copy h2,
.showcase-copy h2,
.contact-copy h2 {
  margin-top: 16px;
  font-size: clamp(44px, 6vw, 66px);
}

.section-heading p,
.showcase-copy p,
.contact-copy p,
.audience-lead {
  margin-top: 16px;
  font-size: 20px;
  line-height: 1.45;
}

.problem-grid,
.process-grid,
.faq-grid,
.contact-side-grid,
.showcase-grid {
  display: grid;
  gap: 18px;
}

.problem-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
}

.problem-card h3,
.process-step h3,
.faq-card h3 {
  margin-top: 16px;
  font-size: 34px;
}

.dual-audience-section {
  display: grid;
  gap: 20px;
}

.audience-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 20px;
  padding: 26px;
  border-radius: 30px;
  border: 1px solid rgba(101, 131, 179, 0.26);
  background:
    linear-gradient(180deg, rgba(13, 21, 34, 0.96), rgba(8, 13, 25, 0.98)),
    radial-gradient(circle at top right, rgba(21, 184, 255, 0.08), transparent 40%),
    radial-gradient(circle at bottom left, rgba(255, 133, 11, 0.08), transparent 45%);
  box-shadow: var(--shadow-1);
}

.audience-panel-operators::before,
.audience-panel-drivers::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 22px;
  pointer-events: none;
}

.audience-panel-operators::before {
  border: 1px solid rgba(21, 184, 255, 0.14);
}

.audience-panel-drivers::before {
  border: 1px solid rgba(255, 133, 11, 0.14);
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  color: #e7f1ff;
  line-height: 1.42;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--orange));
  box-shadow: 0 0 14px rgba(21, 184, 255, 0.32);
}

.audience-copy .button {
  margin-top: 28px;
}

.audience-aside {
  display: grid;
  align-items: end;
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
}

.showcase-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: start;
}

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

.showcase-card {
  min-height: 420px;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(110, 142, 195, 0.24);
  background: linear-gradient(180deg, rgba(7, 11, 19, 0.2), rgba(7, 11, 19, 0.86));
  box-shadow: var(--shadow-1);
}

.showcase-card-track {
  background:
    linear-gradient(180deg, rgba(7, 11, 19, 0.2), rgba(7, 11, 19, 0.9)),
    url("./assets/bg_images/create_race_bg_nocamera.jpg") center / cover;
}

.showcase-card-driver {
  background:
    linear-gradient(180deg, rgba(7, 11, 19, 0.2), rgba(7, 11, 19, 0.9)),
    url("./assets/bg_images/gara_pubblica_v2.jpg") center / cover;
}

.showcase-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 7, 15, 0.18), rgba(4, 7, 15, 0.88)),
    radial-gradient(circle at top left, rgba(21, 184, 255, 0.12), transparent 35%),
    radial-gradient(circle at top right, rgba(255, 133, 11, 0.12), transparent 32%);
}

.showcase-card-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: end;
  min-height: 100%;
  padding: 28px;
}

.showcase-card h3 {
  margin-top: 14px;
  font-family: "Teko", "Rajdhani", sans-serif;
  font-size: 44px;
  line-height: 0.95;
}

.faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: start;
  padding-bottom: 90px;
}

.contact-side-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
  border-radius: 28px;
}

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

.contact-form span {
  color: #dce9ff;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(110, 140, 187, 0.24);
  border-radius: 16px;
  background: rgba(8, 13, 25, 0.92);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(21, 184, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(21, 184, 255, 0.12);
}

.contact-form textarea {
  resize: vertical;
  min-height: 160px;
}

.form-full {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.form-feedback {
  color: var(--muted);
  line-height: 1.42;
}

.site-footer {
  border-top: 1px solid rgba(104, 131, 175, 0.18);
  background: rgba(5, 8, 16, 0.64);
}

.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto auto;
  gap: 20px;
  align-items: center;
  padding: 24px 0 30px;
}

.site-footer strong {
  display: inline-block;
  font-family: "Teko", "Rajdhani", sans-serif;
  font-size: 36px;
  letter-spacing: 0.04em;
}

.site-footer p {
  max-width: 520px;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.42;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-year {
  color: #cfdef6;
}

.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .site-header-inner,
  .contact-section,
  .showcase-section,
  .hero-section,
  .audience-panel,
  .site-footer-inner {
    grid-template-columns: 1fr;
  }

  .site-header-inner {
    display: grid;
  }

  .brand-mark {
    justify-self: center;
  }

  .site-nav,
  .header-actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-stage {
    min-height: 540px;
  }

  .hero-stage-panel-main {
    margin-inline: 20px;
  }

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

  .stage-connector {
    height: 26px;
  }

  .stage-connector::before {
    top: 12px;
    left: 50%;
    right: auto;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(21, 184, 255, 0), rgba(21, 184, 255, 0.9), rgba(255, 133, 11, 0.9), rgba(255, 133, 11, 0));
  }

  .hero-stage-panel-float {
    display: none;
  }

  .hero-signal-grid,
  .problem-grid,
  .process-grid,
  .faq-grid,
  .showcase-grid,
  .contact-side-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .value-strip-inner {
    border-radius: 26px;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(var(--container-width), calc(100% - 24px));
  }

  .site-header {
    position: static;
  }

  .site-nav {
    gap: 14px;
    font-size: 16px;
  }

  .button,
  .button-large {
    width: 100%;
  }

  .hero-section {
    padding-top: 28px;
  }

  .hero-copy h1 {
    font-size: clamp(54px, 18vw, 82px);
  }

  .hero-lead,
  .section-heading p,
  .audience-lead,
  .showcase-copy p,
  .contact-copy p {
    font-size: 18px;
  }

  .section-heading h2,
  .audience-copy h2,
  .showcase-copy h2,
  .contact-copy h2 {
    font-size: clamp(40px, 12vw, 56px);
  }

  .hero-stage {
    min-height: auto;
  }

  .hero-stage-backdrop {
    inset: 10px 0;
  }

  .hero-stage-panel-main,
  .audience-panel,
  .contact-form {
    padding: 18px;
  }

  .value-pill {
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    text-align: center;
    padding: 12px 16px;
  }

  .process-step,
  .problem-card,
  .faq-card,
  .signal-card,
  .contact-side-card,
  .aside-panel {
    padding: 16px;
  }

  .showcase-card {
    min-height: 340px;
  }

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