/*
 * base.css — La Stazione
 * Token di design condivisi, reset, componenti globali.
 * Font Awesome Free è caricato via CDN nell'<head>.
 */

/* ── RESET ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── DESIGN TOKENS ──────────────────────────────────────────────────────────── */
:root {
  --orange:       #e07b1a;
  --orange-dark:  #b85e0d;
  --orange-pale:  #f5d9b0;
  --ink:          #1a1208;
  --ink-soft:     #4a3c28;
  --paper:        #f7f1e8;
  --paper-alt:    #ede5d4;
  --linen:        #e2d8c4;
  --stone:        #a09070;
  --line:         rgba(26, 18, 8, 0.10);
  --white:        #ffffff;

  --text-xs:   0.58rem;
  --text-sm:   0.72rem;
  --text-base: 0.9rem;
  --text-md:   1rem;
  --text-lg:   1.2rem;
  --text-xl:   clamp(1.8rem, 3vw, 3rem);
  --text-2xl:  clamp(2rem, 3.5vw, 3.2rem);
  --text-hero: clamp(2.8rem, 4.5vw, 5rem);

  --tracking-wide:  0.22em;
  --tracking-wider: 0.35em;
  --tracking-tight: 0.05em;

  --sp-xs:  8px;
  --sp-sm:  16px;
  --sp-md:  24px;
  --sp-lg:  40px;
  --sp-xl:  60px;
  --sp-2xl: 100px;

  --nav-h: 72px;
  --ease:        0.25s ease;
  --ease-spring: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── BASE ───────────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Film grain */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

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

/* ── BUTTONS ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  padding: 15px 32px;
  transition: all var(--ease);
  background: none;
}

.btn-orange { background: var(--orange); color: var(--white); }
.btn-orange:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(224,123,26,.35);
}

.btn-ghost-light {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
}
.btn-ghost-light:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-2px); }

.btn-ghost-dark {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost-dark:hover { background: var(--ink); color: var(--white); transform: translateY(-2px); }

.btn-wa { background: #25D366; color: var(--white); }
.btn-wa:hover {
  background: #1ebe5d;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37,211,102,.3);
}

.btn-arrow { transition: transform .2s; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ── NAV ────────────────────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--sp-xl);
  background: rgba(26,18,8,.96);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--orange);
}

.nav-logo img { height: 48px; width: auto; display: block; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  text-decoration: none;
  transition: color var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--orange); }

.nav-wa {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff !important;
  padding: 9px 20px;
  font-size: .63rem !important;
  font-weight: 600 !important;
  letter-spacing: .15em !important;
  text-decoration: none;
  transition: background var(--ease) !important;
}
.nav-wa:hover { background: #1ebe5d !important; color: #fff !important; }

/* ── SECTION ────────────────────────────────────────────────────────────────── */
.sec {
  padding: var(--sp-2xl) var(--sp-xl);
  border-bottom: 1px solid var(--line);
}

.sec-label {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .45em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 20px;
}
.sec-label::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.sec-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 48px;
}
.sec-title em { font-style: italic; font-weight: 300; color: var(--orange); }

/* ── MODAL ──────────────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,18,8,.75);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: var(--sp-md);
  backdrop-filter: blur(6px);
}
.modal-overlay.open { display: flex; animation: fadeIn .25s ease; }

.modal {
  background: var(--paper);
  max-width: 600px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp var(--ease-spring) both;
}

.modal-head {
  background: var(--ink);
  padding: 32px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--orange);
}
.modal-head-title { font-size: 1.1rem; font-weight: 700; color: var(--white); }

.modal-close {
  background: none; border: none;
  color: rgba(255,255,255,.4);
  font-size: 1.5rem; cursor: pointer;
  line-height: 1; transition: color var(--ease); padding: 0;
}
.modal-close:hover { color: var(--orange); }
.modal-body { padding: 40px; }

/* ── FOOTER ─────────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  border-top: 2px solid var(--orange);
  padding: 48px var(--sp-xl);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--sp-lg);
}
.footer-logo img { height: 52px; width: auto; }
.footer-mid {
  text-align: center;
  font-size: .62rem;
  color: rgba(255,255,255,.25);
  letter-spacing: .15em;
  text-transform: uppercase;
}
.footer-links { display: flex; gap: 28px; align-items: center; }
.footer-links a {
  font-size: .62rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255,255,255,.35); text-decoration: none;
  transition: color var(--ease);
}
.footer-links a:hover { color: var(--orange); }

/* ── WA FLOAT ───────────────────────────────────────────────────────────────── */
.wa-float {
  display: none;
  position: fixed;
  bottom: 24px; right: 20px;
  z-index: 300;
  background: #25D366; color: #fff;
  border-radius: 50px;
  padding: 14px 22px;
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none;
  align-items: center; gap: 10px;
  box-shadow: 0 6px 24px rgba(37,211,102,.45);
  transition: background var(--ease), transform var(--ease);
}
.wa-float:hover { background: #1ebe5d; transform: translateY(-2px); }

/* ── ANIMATIONS ─────────────────────────────────────────────────────────────── */
@keyframes fadeUp   { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:none; } }
@keyframes fadeIn   { from { opacity:0; } to { opacity:1; } }
@keyframes slideUp  { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:none; } }

[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].visible { opacity: 1; transform: none; }

/* ── FORM ───────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 22px; }
.form-label {
  display: block;
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--stone); margin-bottom: 10px;
}
.form-input, .form-select {
  width: 100%; background: transparent;
  border: none; border-bottom: 1.5px solid var(--line);
  color: var(--ink);
  font-family: 'Montserrat', sans-serif;
  font-size: .9rem; font-weight: 400;
  padding: 10px 0 12px;
  outline: none;
  transition: border-color var(--ease);
  border-radius: 0; appearance: none;
}
.form-input:focus, .form-select:focus { border-bottom-color: var(--orange); }
.form-input::placeholder { color: var(--stone); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-md); }

/* ── RESPONSIVE ─────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-nav   { padding: 0 var(--sp-md); }
  .nav-links  { display: none; }
  .nav-wa     { display: none !important; }
  .wa-float   { display: flex; }
  .sec        { padding: 72px var(--sp-md); }
  .site-footer {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 36px var(--sp-md);
    gap: var(--sp-md);
  }
  .footer-logo { display: flex; justify-content: center; }
  .footer-links { justify-content: center; }
  .modal-head  { padding: var(--sp-md); }
  .modal-body  { padding: 28px var(--sp-md); }
  .form-row    { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .modal { max-height: 95vh; }
  .modal-overlay { padding: 0; align-items: flex-end; }
}

/* ── ACCESSIBILITY ──────────────────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}
