/* Pagine Verdi — stylesheet vanilla, mobile-first
   Palette e font allineati al sito ufficiale live (pagine-verdi.local):
   verde salvia #98BB67, grigio ardesia #54595F, font Advent Pro + Raleway. */

:root {
  /* Colori — brand ufficiale */
  --color-green: #98bb67;
  --color-green-dark: #729146;
  --color-green-darker: #5a7538;
  --color-slate: #54595f;
  --color-slate-deep: #3a3e43;
  --color-cream: #f8f8fb;

  --color-text: #2b2f33;
  --color-text-muted: #6b7280;

  --color-badge: #e2a33d;
  --color-badge-text: #3a2705;

  --color-surface: #ffffff;
  --color-surface-green: #eef3e4;
  --color-border: #e3e5e8;
  --color-focus: #1a56db;

  /* Tipografia — Advent Pro (condensato, titoli) + Raleway (corpo) */
  --font-display: "Advent Pro", "Arial Narrow", sans-serif;
  --font-body: "Raleway", system-ui, -apple-system, "Segoe UI", sans-serif;
  --fs-h1: clamp(3rem, 9vw + 1rem, 6.5rem);
  --fs-h2: clamp(2rem, 4vw + 1rem, 3.2rem);
  --fs-h3: clamp(1.15rem, 1.5vw + 1rem, 1.4rem);

  /* Spaziature (base 4px) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4.5rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 10px 30px rgba(30, 33, 36, 0.12);

  --max-width: 72rem;
}

/* Reset minimo */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, dl, dd, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.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;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.icon { width: 1em; height: 1em; flex-shrink: 0; }

/* ===== Header / Nav — pillola flottante, sovrapposta all'hero ===== */
.site-header {
  position: fixed;
  top: var(--sp-3);
  left: 0;
  right: 0;
  z-index: 20;
  padding: 0 var(--sp-4);
}

.site-header__inner {
  max-width: calc(var(--max-width) - 2 * var(--sp-4));
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(30, 33, 36, 0.1);
  padding: var(--sp-2) var(--sp-2) var(--sp-2) var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-green-darker);
  text-decoration: none;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: var(--color-surface-green);
  cursor: pointer;
  padding: 0;
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-green-darker);
  border-radius: 2px;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  order: 3;
}

.nav-list.is-open {
  max-height: 200px;
  padding: var(--sp-2) 0 var(--sp-1);
}

.nav-list a {
  display: block;
  padding: var(--sp-2) var(--sp-3);
  text-decoration: none;
  font-weight: 700;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: 999px;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-green-darker);
  background: var(--color-surface-green);
}

@media (prefers-reduced-motion: reduce) {
  .nav-list { transition: none; }
}

@media (min-width: 600px) {
  .nav-toggle { display: none; }
  .nav-list {
    flex-direction: row;
    max-height: none;
    overflow: visible;
    width: auto;
    order: 0;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.85em 1.7em;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn--solid {
  background: var(--color-green);
  color: #ffffff;
  box-shadow: var(--shadow-card);
}

.btn--solid:hover { background: var(--color-green-dark); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.65);
}

.btn--ghost:hover { background: rgba(255, 255, 255, 0.15); transform: translateY(-1px); }

.btn--sm { padding: 0.6em 1.2em; font-size: 0.85rem; }

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  background: #1f2b1a url("assets/pagine-verdi-bg.webp") center 65% / cover no-repeat;
  padding: calc(var(--sp-7) + var(--sp-4)) var(--sp-4) var(--sp-7);
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 36, 16, 0.55) 0%, rgba(20, 36, 16, 0.35) 45%, rgba(20, 36, 16, 0.65) 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin: 0 auto;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.chip {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.4em 1em;
  border-radius: 999px;
}

.chip--accent {
  background: var(--color-green);
  color: #ffffff;
  border-color: transparent;
}

.hero h1 {
  font-size: var(--fs-h1);
  font-weight: 600;
  color: var(--color-green);
  text-shadow: 2px 0 0 #ffffff, -2px 0 0 #ffffff, 0 2px 0 #ffffff, 0 -2px 0 #ffffff;
  margin-bottom: var(--sp-2);
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw + 0.5rem, 1.5rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #ffffff;
  font-weight: 500;
  margin-bottom: var(--sp-4);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

.hero__dates {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--color-green);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 1.6vw + 0.6rem, 1.4rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.55em 1.5em;
  border-radius: 999px;
  margin-bottom: var(--sp-5);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
}

.hero__dates .icon { width: 1.2em; height: 1.2em; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3);
}

.hero__actions .btn--ghost {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
}

.hero__actions .btn--ghost:hover { background: rgba(255, 255, 255, 0.15); }

.hero__scroll-cue {
  position: absolute;
  left: 50%;
  bottom: var(--sp-5);
  transform: translateX(-50%);
  color: #ffffff;
  opacity: 0.75;
  animation: hero-bounce 2.2s ease-in-out infinite;
}

.hero__scroll-cue svg { width: 26px; height: 26px; }
.hero__scroll-cue:hover { opacity: 1; }

@keyframes hero-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__scroll-cue { animation: none; }
}

/* ===== Stats bar ===== */
.stats {
  position: relative;
  background: var(--color-cream);
  padding: var(--sp-6) var(--sp-4);
}

.stats__grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
  text-align: center;
}

@media (min-width: 700px) {
  .stats__grid { grid-template-columns: repeat(4, 1fr); }
}

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: var(--color-green-darker);
  line-height: 1;
}

.stat__label {
  display: block;
  margin-top: var(--sp-2);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ===== Sections ===== */
.section { padding: var(--sp-7) var(--sp-4); position: relative; }
.section--cream { background: var(--color-cream); }
.section--green { background: var(--color-surface-green); }

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section h2 {
  font-size: var(--fs-h2);
  color: var(--color-green-darker);
  margin-bottom: var(--sp-3);
}

.section__intro {
  color: var(--color-text-muted);
  margin-bottom: var(--sp-4);
  max-width: 40rem;
}

.notice {
  background: #fff8e6;
  border: 1px solid #f0dca0;
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--sp-4);
}

/* ===== Programma header ===== */
.programma-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.programma-header__meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: flex-start;
}

.programma-header__dates {
  font-weight: 700;
}

.phone-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--color-green);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.5em 1.1em;
  border-radius: 999px;
}

.phone-chip:hover { background: var(--color-green-dark); }

/* ===== Programma cards (sandwich: data / corpo / luogo) ===== */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}

@media (min-width: 640px) {
  .timeline { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1080px) {
  .timeline { grid-template-columns: repeat(3, 1fr); }
}

.prog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.prog-card.badge--next {
  box-shadow: 0 0 0 3px var(--color-badge), var(--shadow-card);
}

@media (hover: hover) {
  .prog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 34px rgba(30, 33, 36, 0.16);
  }
  .prog-card.badge--next:hover {
    box-shadow: 0 0 0 3px var(--color-badge), 0 16px 34px rgba(30, 33, 36, 0.16);
  }
}

@media (prefers-reduced-motion: reduce) {
  .prog-card { transition: none; }
}

/* --- Cover decorativa (illustrazione botanica al posto della foto) --- */
.prog-card__cover {
  position: relative;
  margin: var(--sp-3) var(--sp-3) 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-green-darker) 100%);
}

.prog-card__deco {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.prog-card:nth-child(3n+2) .prog-card__deco { transform: scaleX(-1); }
.prog-card:nth-child(3n) .prog-card__deco { transform: rotate(6deg) scale(1.15); }

.prog-card__cover .badge-label {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-2);
  background: var(--color-badge);
  color: var(--color-badge-text);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 0.35em 0.8em;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* --- Riga meta: blocco data + luogo --- */
.prog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4) 0;
}

.prog-card__date-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
  flex-shrink: 0;
}

.prog-card__date-month {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--color-green-darker);
}

.prog-card__date-day {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-text);
}

.prog-card__divider {
  width: 1px;
  align-self: stretch;
  background: var(--color-border);
  flex-shrink: 0;
}

.prog-card__place {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  min-width: 0;
}

.prog-card__place span { overflow-wrap: anywhere; }
.prog-card__place .icon { color: var(--color-green); flex-shrink: 0; }
.prog-card__place:hover { color: var(--color-green-darker); text-decoration: underline; }

/* --- Corpo --- */
.prog-card__body { flex: 1; padding: var(--sp-3) var(--sp-4) var(--sp-2); }

.prog-card__time {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-green);
  margin-bottom: var(--sp-1);
}

.prog-card h3 {
  font-size: var(--fs-h3);
  text-transform: none;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: var(--sp-1);
  color: var(--color-text);
}

.prog-card__editore {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--sp-2);
}

.prog-card__relatori {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* --- Tag finale --- */
.prog-card__tag {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin: 0 var(--sp-4) var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-green-darker);
}

.prog-card__tag .icon { color: var(--color-green); }

/* ===== Info ===== */
.info-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--sp-5);
}

.info-list {
  display: grid;
  gap: var(--sp-3);
}

.info-list dt {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.info-list dd {
  font-weight: 700;
}

.info-list a { text-decoration: underline; color: var(--color-green-darker); }

@media (min-width: 600px) {
  .info-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Sezione "Enti promotori" ===== */
.promotori-section {
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--sp-7) var(--sp-4);
}

.promotori-section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.promotori-section__title {
  margin-bottom: var(--sp-6);
}

/* --- "Si ringrazia" + loghi principali --- */
.footer-thanks {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--sp-5) var(--sp-6);
  margin-bottom: var(--sp-6);
}

.footer-thanks__label {
  flex: 0 0 auto;
  padding-top: var(--sp-1);
}

.footer-thanks__label p {
  font-weight: 600;
  margin-bottom: var(--sp-3);
}

.footer-thanks__label::after {
  content: "";
  display: block;
  width: 8rem;
  max-width: 40vw;
  border-top: 1px solid var(--color-border);
}

.footer-thanks .footer-logos { flex: 1 1 auto; }

/* --- Griglie di loghi --- */
.footer-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-2);
  width: 5.5rem;
}

.footer-logo img {
  max-width: 100%;
  max-height: 4.5rem;
  width: auto;
  object-fit: contain;
}

.footer-logo__caption {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* --- "Con il contributo di" / "Con la collaborazione di" --- */
.footer-groups {
  display: grid;
  gap: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--color-border);
}

@media (min-width: 800px) {
  .footer-groups { grid-template-columns: 3fr 2fr; }
  .footer-group--bordered {
    padding-left: var(--sp-6);
    border-left: 1px solid var(--color-border);
  }
}

.footer-group__title {
  font-size: var(--fs-h3);
  color: var(--color-green-darker);
  margin-bottom: var(--sp-4);
}

.footer-logos--plain .footer-logo { width: auto; max-width: 8rem; }

/* ===== Footer — riga crediti finale ===== */
.site-footer {
  background: var(--color-slate-deep);
  padding: var(--sp-4);
  text-align: center;
}

.site-footer__credits {
  font-size: 0.85rem;
  color: #d7dad5;
}

.site-footer__credits a { color: var(--color-green); text-decoration: underline; }