/* =========================================================
   Oasi dello Studio — Design System
   Palette e linguaggio visivo allineati all'identità Pegaso:
   teal istituzionale, magenta CTA, oro accento, forme squadrate.
   ========================================================= */

:root {
  /* Palette — estratta da unipegaso.it */
  --teal-900: #0a232b;
  --teal-700: #073139;
  --teal-600: #005d68;
  --teal-500: #00747f;
  --teal-100: #e7ebee;
  --teal-50:  #f5f7f7;

  --magenta-600: #a91548;
  --magenta-500: #cf1d56;
  --magenta-100: #f8e6ec;

  --gold-500: #ffc720;
  --gold-600: #e0aa08;

  --green-cta: #25a55f;

  --grey-200: #cfd7dc;
  --grey-100: #e7ebee;
  --white: #ffffff;

  --ink: var(--teal-900);
  --ink-soft: #3d5157;
  --line: #dde3e6;

  --font-display: 'Alexandria', 'Segoe UI', sans-serif;
  --font-body: 'Alexandria', 'Segoe UI', sans-serif;

  --radius: 8px;        /* bottoni/card: leggero arrotondamento, come nel mockup reale */
  --radius-pill: 999px;  /* barra di ricerca, badge, chip */

  --shadow-card: 0 6px 20px rgba(10, 35, 43, 0.1);
  --shadow-lift: 0 10px 28px rgba(10, 35, 43, 0.16);

  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--white);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); font-weight: 700; }

p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; display: block; }

/* ---------- Bottoni (squadrati, come Pegaso) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 15px 30px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--magenta-500);
  border-color: var(--magenta-500);
  color: var(--white);
  box-shadow: var(--shadow-lift);
}
.btn-primary:hover { background: var(--magenta-600); border-color: var(--magenta-600); }
.btn-outline {
  background: var(--white);
  color: var(--teal-600);
  border: 1.5px solid var(--teal-600);
}
.btn-outline:hover { background: var(--teal-600); color: var(--white); }
.btn-ghost-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.55);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.15); }
.btn-dark {
  background: var(--teal-900);
  color: var(--white);
}
.btn-dark:hover { background: var(--teal-700); }

/* ---------- Barra utility (sopra la nav principale) ---------- */
.utility-bar {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  font-size: 0.86rem;
}
.utility-bar-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.utility-links { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; flex-shrink: 0; }
.utility-links a { display: flex; align-items: center; gap: 7px; font-weight: 600; color: var(--ink); }
.utility-links a:hover { color: var(--magenta-500); }
.utility-links li:first-child a { color: var(--green-cta); }
.utility-links li:first-child a:hover { color: var(--green-cta); opacity: 0.8; }
.utility-links .utility-phone { font-weight: 700; }

.utility-search {
  flex: 1;
  max-width: 380px;
  display: flex;
  align-items: center;
  background: var(--teal-50);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 4px 4px 4px 18px;
}
.utility-search input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.86rem;
  padding: 8px 0;
  outline: none;
  color: var(--ink);
}
.utility-search button {
  border: none;
  background: var(--teal-600);
  color: var(--white);
  width: 34px; height: 34px;
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.utility-cta { padding: 11px 22px; font-size: 0.85rem; margin-left: auto; flex-shrink: 0; }

@media (max-width: 960px) {
  .utility-links li:not(:first-child) { display: none; }
  .utility-search { display: none; }
  .utility-cta { margin-left: auto; }
}
@media (max-width: 600px) {
  .utility-cta span { display: none; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(10,35,43,0.05);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--teal-900);
}
.brand-mark {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal-600), var(--teal-900));
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  background: var(--gold-500);
  right: -4px; bottom: -4px;
}
.brand small {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--magenta-500);
}
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav ul { list-style: none; display: flex; gap: 30px; margin: 0; padding: 0; }
.main-nav a {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--teal-900);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 3px;
  background: var(--gold-500);
  transition: width 0.2s ease;
}
.main-nav a:hover::after { width: 100%; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .main-nav ul { display: none; }
  .nav-toggle {
    display: inline-flex;
    background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 6px;
  }
  .nav-toggle span { width: 24px; height: 2px; background: var(--teal-900); }
  .main-nav.open ul {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    padding: 20px 24px 28px;
    border-bottom: 1px solid var(--line);
    gap: 18px;
  }
  .main-nav .cta-header { display: none; }
}

/* ---------- Hero (pattern lead-gen, come mockup Pegaso) ---------- */
.hero-pegaso {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  /* NOTA: sostituire con foto reale (studente/sede) quando disponibile.
     Gradiente fotografico provvisorio in attesa dell'asset del cliente. */
  background:
    linear-gradient(100deg, rgba(10,35,43,0.88) 0%, rgba(10,35,43,0.35) 42%, rgba(10,35,43,0.1) 60%),
    linear-gradient(135deg, #1c3d44 0%, #0a232b 60%, #142a30 100%);
  color: var(--white);
  padding: 56px 0;
}
.hero-ribbons {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-ribbons span {
  position: absolute;
  background: var(--magenta-500);
  opacity: 0.85;
}
.hero-ribbons span:nth-child(1) { width: 140%; height: 34px; top: 28%; left: -20%; transform: rotate(-16deg); }
.hero-ribbons span:nth-child(2) { width: 140%; height: 10px; top: 33%; left: -20%; transform: rotate(-16deg); background: var(--white); opacity: 0.5; }
.hero-ribbons span:nth-child(3) { width: 140%; height: 18px; top: 62%; left: -20%; transform: rotate(-16deg); background: var(--gold-500); opacity: 0.9; }

.hero-promo-badge {
  display: inline-block;
  background: var(--magenta-500);
  color: var(--white);
  font-weight: 700;
  padding: 12px 20px;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.hero-price-label { font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; position: relative; z-index: 1; }
.hero-price {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
  position: relative; z-index: 1;
}
.hero-price sup { font-size: 0.4em; color: var(--gold-500); }
.hero-pegaso h1 { color: var(--white); }
.hero-pegaso h1 span { color: var(--gold-500); }
.hero-fineprint { font-size: 0.72rem; color: rgba(255,255,255,0.55); max-width: 46ch; position: relative; z-index: 1; }

.hero-pegaso .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}

/* Card form lead-gen fluttuante */
.lead-form-card {
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
  padding: 32px 32px 28px;
}
.lead-form-card h2 { font-size: 1.35rem; margin-bottom: 8px; }
.lead-form-card > p { font-size: 0.9rem; margin-bottom: 22px; }
.lead-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}
.lead-form-grid .form-field.full { grid-column: 1 / -1; }
.lead-form-card .form-field { margin-bottom: 0; }
.lead-form-card .form-field label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--teal-700); }
.lead-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.76rem;
  color: var(--ink-soft);
  margin-top: 16px;
}
.lead-consent input { margin-top: 3px; flex-shrink: 0; }
.lead-consent a { color: var(--teal-600); text-decoration: underline; }
.lead-required-note { font-size: 0.72rem; color: var(--ink-soft); margin: 10px 0 18px; }
.lead-form-card .btn { width: 100%; justify-content: center; }
.lead-phone-fallback {
  text-align: center;
  margin-top: 16px;
  font-size: 0.85rem;
}
.lead-phone-fallback strong {
  display: block;
  color: var(--green-cta);
  font-size: 1.2rem;
  font-family: var(--font-display);
}

@media (max-width: 960px) {
  .hero-pegaso .container { grid-template-columns: 1fr; }
  .lead-form-grid { grid-template-columns: 1fr; }
}

/* ---------- Hero (legacy — usata in pagine interne se serve) ---------- */
.hero {
  position: relative;
  background: linear-gradient(155deg, var(--teal-900) 0%, var(--teal-700) 45%, var(--teal-600) 100%);
  color: var(--white);
  overflow: hidden;
  padding: 76px 0 96px;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(180deg, var(--gold-500) 0%, var(--gold-500) 4px, transparent 4px);
  opacity: 0;
}
.hero-gold-bar {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 10px;
  background: var(--gold-500);
}
.hero h1 { color: var(--white); }
.hero h1 span, .hero h1 em { color: var(--gold-500); font-style: normal; }
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-900);
  background: var(--gold-500);
  padding: 8px 16px;
  margin-bottom: 22px;
}
.hero-lede { font-size: 1.1rem; max-width: 48ch; color: rgba(255,255,255,0.85); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }

.hero-stats { display: flex; gap: 34px; margin-top: 48px; flex-wrap: wrap; }
.hero-stats .stat-num {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 800;
  color: var(--gold-500);
  display: block;
}
.hero-stats .stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.7); }

.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--teal-500);
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: var(--shadow-lift);
  display: flex;
  align-items: flex-end;
  padding: 0;
}
.hero-visual-card {
  background: var(--white);
  padding: 26px 28px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--magenta-500);
  width: 100%;
}
.hero-visual-card strong { font-family: var(--font-display); font-size: 1.1rem; display: block; margin-bottom: 4px; color: var(--teal-900); }
.hero-visual-card span { font-size: 0.85rem; color: var(--ink-soft); }

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 320px; margin: 0 auto; }
}

/* ---------- Sezioni generiche ---------- */
section { padding: 84px 0; }
.section-head { max-width: 640px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.band-dark { background: var(--teal-900); color: var(--white); }
.band-dark h2, .band-dark h3 { color: var(--white); }
.band-dark p { color: rgba(255,255,255,0.75); }
.band-sand { background: var(--teal-50); }

/* ---------- Griglia servizi ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--line); }
.service-card {
  background: var(--white);
  padding: 34px 30px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border-top: 4px solid var(--teal-600);
}
.service-card:nth-child(2) { border-top-color: var(--magenta-500); }
.service-card:nth-child(3) { border-top-color: var(--gold-500); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); z-index: 1; }
.service-icon {
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 18px;
  background: var(--teal-100);
  color: var(--teal-700);
}
@media (max-width: 860px) { .service-grid { grid-template-columns: 1fr; } }

/* ---------- Filtri / catalogo corsi ---------- */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-chip {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--teal-600);
  background: var(--white);
  color: var(--teal-600);
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-chip.active, .filter-chip:hover { background: var(--teal-600); color: var(--white); }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 2px; background: var(--line); }
.course-card {
  background: var(--white);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.course-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--course-accent, var(--teal-600));
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); z-index: 1; }
.course-tag {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--course-accent, var(--teal-600));
  padding: 5px 12px;
}
.course-card h3 { margin-bottom: 2px; }
.course-meta {
  display: flex;
  gap: 18px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.course-meta b { color: var(--ink); }
.course-card .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Trust / numeri ---------- */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--line); }
.trust-item { text-align: center; padding: 30px 20px; background: var(--white); }
.trust-item .stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 800;
  color: var(--magenta-500);
  display: block;
}
@media (max-width: 860px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Testimonianze ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.testi-card { background: rgba(255,255,255,0.06); padding: 30px; border-left: 3px solid var(--gold-500); }
.testi-stars { color: var(--gold-500); letter-spacing: 2px; margin-bottom: 12px; }
.testi-name { font-family: var(--font-display); font-weight: 700; margin-top: 14px; color: var(--white); }
.testi-role { font-size: 0.82rem; color: rgba(255,255,255,0.6); }
@media (max-width: 860px) { .testi-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 4px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--teal-900);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.6rem;
  color: var(--magenta-500);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 20px;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 4px 24px; max-width: 68ch; }

/* ---------- CTA finale ---------- */
.cta-band {
  background: var(--magenta-500);
  color: var(--white);
  padding: 60px;
  text-align: center;
  position: relative;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 6px;
  background: var(--gold-500);
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255,255,255,0.9); max-width: 52ch; margin-left: auto; margin-right: auto; }

/* ---------- Contatti ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; align-items: stretch; background: var(--line); }
.contact-info-card { background: var(--teal-900); color: var(--white); padding: 40px; }
.contact-info-card h3 { color: var(--white); }
.contact-row { display: flex; gap: 16px; margin-bottom: 22px; align-items: flex-start; }
.contact-row .ic {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-row span, .contact-row a { color: rgba(255,255,255,0.85); }
.contact-row a:hover { color: var(--gold-500); }

.map-embed { overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16/11; }
.map-embed iframe { width: 100%; height: 100%; border: 0; }

.contact-form-card { background: var(--white); padding: 40px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 700; font-size: 0.85rem; margin-bottom: 6px; color: var(--teal-900); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 13px 16px;
  border-radius: var(--radius);
  border: 1.5px solid var(--line);
  background: var(--teal-50);
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--teal-600); }

@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--teal-900); color: rgba(255,255,255,0.7); padding: 60px 0 28px; border-top: 4px solid var(--gold-500); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.site-footer h4 { color: var(--white); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a:hover { color: var(--gold-500); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; font-size: 0.8rem; flex-wrap: wrap; gap: 12px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Page hero interne ---------- */
.page-hero { padding: 52px 0 60px; background: var(--teal-50); border-bottom: 1px solid var(--line); }
.breadcrumb { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--magenta-500); }

/* ---------- Skip link (a11y) ---------- */
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--teal-900); color: var(--white); padding: 12px 20px; z-index: 1000; }
.skip-link:focus { left: 16px; top: 16px; }