:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #5d6978;
  --surface: #ffffff;
  --surface-strong: #f3f7fb;
  --navy: #07192d;
  --blue: #1a66ff;
  --teal: #00a7a5;
  --lime: #d9b982;
  --line: #d8e1ec;
  --danger: #c61f47;
  --shadow: 0 22px 60px rgba(9, 25, 45, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: var(--surface);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 14px clamp(18px, 4vw, 58px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(216, 225, 236, 0.86);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 152px;
}

.brand img {
  display: block;
  width: clamp(142px, 16vw, 196px);
  max-height: 58px;
  object-fit: contain;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 2vw, 24px);
  font-size: 0.95rem;
  font-weight: 700;
}

.header-nav a {
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.header-nav a:hover {
  color: var(--blue);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  color: #fff !important;
  background: var(--blue);
  border-radius: 6px;
  box-shadow: 0 10px 22px rgba(26, 102, 255, 0.22);
}

.hero {
  position: relative;
  min-height: calc(100svh - 176px);
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: clamp(58px, 7vw, 86px) clamp(18px, 6vw, 86px) clamp(34px, 5vw, 52px);
  isolation: isolate;
  color: #fff;
  background: var(--navy);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(5, 12, 26, 0.96) 0%, rgba(7, 25, 45, 0.78) 42%, rgba(7, 25, 45, 0.28) 100%),
    url("assets/volantino-inaugurazione.png");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 25, 45, 0.22), rgba(7, 25, 45, 0.72)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 82px);
}

.hero-content {
  width: min(840px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--lime);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(3.2rem, 9vw, 7.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.15rem, 2vw, 1.48rem);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-button,
.secondary-button,
.submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.primary-button,
.submit-button {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 16px 34px rgba(26, 102, 255, 0.32);
}

.secondary-button {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.primary-button:hover,
.submit-button:hover,
.header-cta:hover {
  background: #0757ef;
}

.secondary-button:hover {
  background: rgba(255, 255, 255, 0.16);
}

.event-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.event-strip div {
  min-width: 0;
  padding: 24px clamp(18px, 4vw, 42px);
  background: var(--surface);
}

.event-strip span,
.poster dt {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.event-strip strong {
  display: block;
  font-size: clamp(1rem, 1.6vw, 1.28rem);
  line-height: 1.25;
}

.intro-section,
.program-section,
.signup-section {
  padding: clamp(64px, 8vw, 104px) clamp(18px, 6vw, 86px);
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 470px);
  align-items: center;
  gap: clamp(34px, 7vw, 86px);
  background: var(--surface-strong);
}

.section-copy {
  max-width: 780px;
}

.section-copy h2,
.signup-copy h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-copy p:not(.section-kicker),
.signup-copy p,
.poster-body p,
.agenda-item p,
.privacy-box p,
.form-note {
  color: var(--muted);
  line-height: 1.65;
}

.section-copy p:not(.section-kicker) {
  max-width: 670px;
  margin: 22px 0 0;
  font-size: 1.08rem;
}

.poster {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.poster-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  color: #fff;
  background: var(--navy);
}

.poster-top span,
.poster-top strong {
  font-weight: 800;
  text-transform: uppercase;
}

.poster img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  background: linear-gradient(135deg, var(--navy), var(--blue));
}

.poster-body {
  padding: 24px;
}

.poster-body h3 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.45rem);
  line-height: 1;
}

.poster-body dl {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
}

.poster-body dl div {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.poster dd {
  margin: 0;
  font-weight: 800;
}

.program-section {
  background: #fff;
}

.agenda {
  display: grid;
  gap: 0;
  margin-top: 42px;
  border-top: 1px solid var(--line);
}

.agenda-item {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 42px);
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.agenda-item time,
.agenda-time {
  color: var(--blue);
  font-size: clamp(1.18rem, 2vw, 1.58rem);
  font-weight: 900;
}

.agenda-item h3 {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.agenda-item p {
  margin: 8px 0 0;
}

.signup-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(320px, 1fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
  background: var(--navy);
  color: #fff;
}

.signup-copy {
  position: sticky;
  top: 108px;
}

.signup-copy p,
.signup-highlights {
  color: rgba(255, 255, 255, 0.78);
}

.signup-highlights {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.signup-highlights li {
  padding-left: 22px;
  border-left: 4px solid var(--teal);
  line-height: 1.45;
}

.signup-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(22px, 4vw, 34px);
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-row,
.privacy-box,
.consent,
.submit-button,
.form-note {
  grid-column: span 2;
}

.form-row:not(.full) {
  grid-column: span 1;
}

.form-row label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--ink);
  border: 1px solid #bcc9d8;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(26, 102, 255, 0.18);
}

.privacy-box {
  max-height: 232px;
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
}

.privacy-box h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.privacy-box p {
  margin: 0 0 12px;
  font-size: 0.94rem;
}

.privacy-box a {
  color: var(--blue);
  font-weight: 800;
}

.consent {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  color: #334154;
  font-size: 0.96rem;
  line-height: 1.48;
}

.consent input {
  min-height: auto;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--blue);
}

.submit-button {
  width: 100%;
}

.signup-form.is-sending .submit-button {
  opacity: 0.68;
  pointer-events: none;
}

.form-note {
  margin: -2px 0 0;
  font-size: 0.92rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(18px, 6vw, 86px);
  color: rgba(255, 255, 255, 0.78);
  background: #05101e;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    min-height: auto;
  }

  .header-nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: calc(100svh - 196px);
  }

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

  .intro-section,
  .signup-section {
    grid-template-columns: 1fr;
  }

  .signup-copy {
    position: static;
  }
}

@media (max-width: 620px) {
  .header-nav {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    font-size: 0.86rem;
  }

  .header-nav a {
    min-width: 0;
    text-align: center;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 12px;
  }

  .hero {
    min-height: 72svh;
    padding-top: 72px;
  }

  .hero h1 {
    font-size: clamp(3rem, 16vw, 4.7rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .event-strip {
    grid-template-columns: 1fr;
  }

  .agenda-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .signup-form {
    grid-template-columns: 1fr;
  }

  .form-row,
  .form-row:not(.full),
  .privacy-box,
  .consent,
  .submit-button,
  .form-note {
    grid-column: 1;
  }
}