/* ==========================================================================
   BT AI Agency — btaiagency.com
   Design system: dark/tech + clean/corporate · Inter variable · mobile-first
   ========================================================================== */

@font-face {
  font-family: "Inter";
  src: url("../fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #06070c;
  --bg-2: #0a0c14;
  --surface: #0d101a;
  --surface-2: #121525;
  --border: rgba(148, 163, 198, 0.13);
  --border-strong: rgba(148, 163, 198, 0.26);
  --text: #eef1f8;
  --text-dim: #a3adc2;
  --text-faint: #6e7790;
  --blue: #5b8cff;
  --violet: #8b5cf6;
  --violet-soft: #a78bfa;
  --gradient: linear-gradient(120deg, #60a5fa 0%, #818cf8 48%, #a855f7 100%);
  --gradient-btn: linear-gradient(120deg, #4f7dff 0%, #7c4dff 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --container: 1120px;
  --nav-h: 72px;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 480px at 50% -120px, rgba(91, 103, 255, 0.09), transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.12; letter-spacing: -0.025em; font-weight: 650; }
p { margin: 0 0 1em; }
a { color: var(--text); text-decoration: none; }
p a, li a { color: var(--violet-soft); text-decoration: underline; text-underline-offset: 3px; }
p a:hover, li a:hover { color: #c4b5fd; }
ul { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

::selection { background: rgba(124, 108, 255, 0.4); color: #fff; }

:focus-visible { outline: 2px solid #8ea2ff; outline-offset: 3px; border-radius: 4px; }

.container { width: min(100% - 44px, var(--container)); margin-inline: auto; }

.section { padding-block: clamp(76px, 11vw, 130px); position: relative; }

.section-head { max-width: 760px; margin: 0 auto clamp(44px, 6vw, 68px); text-align: center; }
.section-head h2 { font-size: clamp(1.85rem, 3.8vw, 2.65rem); }
.section-head .sub { color: var(--text-dim); font-size: clamp(1rem, 1.4vw, 1.13rem); max-width: 620px; margin: 0 auto; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.grad-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 300;
  background: var(--surface-2); color: var(--text);
  padding: 10px 18px; border-radius: 8px; border: 1px solid var(--border-strong);
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 28px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.97rem; letter-spacing: -0.01em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, filter 0.25s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }

.btn-primary {
  color: #fff;
  background: var(--gradient-btn);
  box-shadow: 0 8px 28px rgba(99, 91, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 12px 38px rgba(99, 91, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.18); }

.btn-ghost {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(167, 139, 250, 0.55); background: rgba(255, 255, 255, 0.045); }

.btn-sm { padding: 10px 20px; font-size: 0.88rem; }

/* ---------- Nav ---------- */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(6, 7, 12, 0);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}
.nav.scrolled, body.menu-open .nav {
  background: rgba(6, 7, 12, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.logo { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 1.04rem; letter-spacing: -0.02em; }
.logo svg { width: 30px; height: 30px; flex: none; }
.logo span span { color: var(--text-faint); font-weight: 600; }

.nav-links { display: none; align-items: center; gap: 30px; }
.nav-links a { color: var(--text-dim); font-size: 0.93rem; font-weight: 530; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; padding: 10px;
  background: none; border: 1px solid var(--border); border-radius: 10px;
}
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--text); border-radius: 2px; transition: transform 0.25s ease, opacity 0.2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-panel {
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99;
  display: flex; flex-direction: column;
  padding: 10px 24px 26px;
  background: rgba(7, 8, 13, 0.97);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  opacity: 0; transform: translateY(-10px); pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.nav-panel.open { opacity: 1; transform: none; pointer-events: auto; }
.nav-panel a { padding: 14px 2px; font-size: 1.02rem; font-weight: 550; color: var(--text-dim); border-bottom: 1px solid var(--border); }
.nav-panel a:last-child { border-bottom: 0; }
.nav-panel a:hover { color: var(--text); }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-toggle, .nav-panel { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: calc(var(--nav-h) + 34px);
  padding-bottom: 70px;
  overflow: hidden;
}

#hero-canvas {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  opacity: 0; transition: opacity 1.4s ease 0.2s;
}
#hero-canvas.ready { opacity: 1; }

.hero-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(620px 380px at 27% 16%, rgba(76, 103, 255, 0.17), transparent 66%),
    radial-gradient(660px 420px at 73% 30%, rgba(168, 85, 247, 0.13), transparent 66%);
}

.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 180px; z-index: 1;
  background: linear-gradient(180deg, transparent, var(--bg));
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; text-align: center; max-width: 900px; margin-inline: auto; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.82rem; font-weight: 560; color: var(--text-dim);
  margin-bottom: 26px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); animation: pulse 2.4s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.45); }
  70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.hero h1 {
  font-size: clamp(2.5rem, 6.6vw, 4.5rem);
  font-weight: 680;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 22px;
}

.hero-sub {
  color: var(--text-dim);
  font-size: clamp(1.04rem, 1.7vw, 1.22rem);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 auto 34px;
}

.hero-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-bottom: 30px; }

.hero-note { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; font-size: 0.84rem; color: var(--text-faint); }
.hero-note span { display: inline-flex; align-items: center; gap: 7px; }
.hero-note svg { width: 14px; height: 14px; color: #34d399; flex: none; }

/* ---------- Social proof ---------- */

.proof {
  border-block: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.012);
  padding-block: 26px;
}
.proof-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 34px; }
.proof-label { font-size: 0.8rem; color: var(--text-faint); letter-spacing: 0.04em; }
.chip {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.8rem; font-weight: 620; letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--text-dim);
}
.chip::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gradient-btn); }

/* ---------- Cards (servizi) ---------- */

.grid-3 { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 26px; right: 26px; height: 1px;
  background: var(--gradient);
  opacity: 0.25; transition: opacity 0.35s ease;
}
.card:hover { transform: translateY(-5px); border-color: rgba(139, 124, 255, 0.45); box-shadow: 0 18px 50px rgba(80, 70, 229, 0.16); }
.card:hover::before { opacity: 1; }

.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(108, 99, 255, 0.11);
  border: 1px solid rgba(124, 108, 255, 0.32);
  color: #a5b4fc;
  margin-bottom: 22px;
}
.card-icon svg { width: 23px; height: 23px; }

.card h3 { font-size: 1.24rem; margin-bottom: 10px; }
.card > p { color: var(--text-dim); font-size: 0.95rem; line-height: 1.65; margin-bottom: 18px; }

.check-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; padding-block: 5px; }
.check-list svg { width: 15px; height: 15px; margin-top: 4px; color: var(--violet-soft); flex: none; }

/* ---------- Come funziona ---------- */

.steps { position: relative; display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .steps::before {
    content: ""; position: absolute; top: 23px; left: 16.66%; right: 16.66%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-strong) 12%, var(--border-strong) 88%, transparent);
  }
  .steps-line {
    position: absolute; top: 22px; left: 16.66%; right: 16.66%; height: 2px;
    background: var(--gradient);
    transform: scaleX(0); transform-origin: left center;
    border-radius: 2px;
  }
}
@media (max-width: 899.98px) { .steps-line { display: none; } }

.step { text-align: center; padding: 0 14px; }

.step-circle {
  position: relative; z-index: 1;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  margin: 0 auto 22px;
  background: var(--bg-2);
  border: 1px solid rgba(139, 124, 255, 0.45);
  font-weight: 700; font-size: 0.92rem; color: #c7d2fe;
  box-shadow: 0 0 24px rgba(99, 91, 255, 0.18);
}

.step h3 { font-size: 1.18rem; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 0.93rem; line-height: 1.65; max-width: 320px; margin-inline: auto; }

@media (max-width: 899.98px) {
  .step:not(:last-child)::after {
    content: ""; display: block; width: 1px; height: 38px;
    background: linear-gradient(180deg, var(--border-strong), transparent);
    margin: 22px auto;
  }
}

/* ---------- Caso studio ---------- */

.case-card {
  display: grid; grid-template-columns: 1fr; gap: clamp(30px, 5vw, 60px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: clamp(28px, 5vw, 56px);
}
@media (min-width: 960px) { .case-card { grid-template-columns: 1.12fr 0.88fr; align-items: center; } }

.case-tag {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: rgba(255, 255, 255, 0.03);
  font-size: 0.78rem; font-weight: 600; color: var(--text-dim);
  margin-bottom: 22px;
}

.case-block h3 { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--violet-soft); margin-bottom: 8px; }
.case-block p { color: var(--text-dim); font-size: 0.97rem; line-height: 1.7; margin-bottom: 24px; }

.case-quote {
  margin: 6px 0 0; padding: 18px 22px;
  border-left: 2px solid; border-image: var(--gradient) 1;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 12px 12px 0;
}
.case-quote p { font-size: 0.97rem; line-height: 1.65; color: var(--text); font-style: italic; margin-bottom: 8px; }
.case-quote cite { font-style: normal; font-size: 0.84rem; color: var(--text-faint); }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

.stat {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 20px;
  transition: border-color 0.3s ease;
}
.stat:hover { border-color: rgba(139, 124, 255, 0.4); }
.stat-num {
  display: block;
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  font-weight: 720; letter-spacing: -0.03em; line-height: 1.1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 0.84rem; color: var(--text-dim); line-height: 1.45; }

/* ---------- Company Brain ---------- */

.brain-card {
  position: relative;
  border-radius: 24px;
  padding: clamp(30px, 5vw, 64px);
  border: 1px solid transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(120deg, rgba(96, 165, 250, 0.45), rgba(168, 85, 247, 0.45)) border-box;
  overflow: hidden;
}
.brain-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 360px at 12% 0%, rgba(91, 103, 255, 0.14), transparent 60%),
    radial-gradient(560px 380px at 95% 100%, rgba(168, 85, 247, 0.12), transparent 60%);
}

.brain-grid { position: relative; display: grid; grid-template-columns: 1fr; gap: clamp(36px, 5vw, 64px); align-items: center; }
@media (min-width: 980px) { .brain-grid { grid-template-columns: 1.05fr 0.95fr; } }

.brain-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 15px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase;
  color: #d6c9ff;
  border: 1px solid rgba(168, 139, 250, 0.45);
  background: rgba(139, 92, 246, 0.12);
  margin-bottom: 20px;
}
.brain-badge svg { width: 13px; height: 13px; }

.brain-copy h2 { font-size: clamp(1.7rem, 3.4vw, 2.45rem); }
.brain-copy > p { color: var(--text-dim); font-size: 1.02rem; line-height: 1.7; margin-bottom: 28px; }

.brain-features { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 34px; }
@media (min-width: 640px) { .brain-features { grid-template-columns: 1fr 1fr; gap: 20px 26px; } }

.feature { display: flex; gap: 13px; align-items: flex-start; }
.feature-icon {
  flex: none; width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(108, 99, 255, 0.12);
  border: 1px solid rgba(124, 108, 255, 0.3);
  color: #a5b4fc;
}
.feature-icon svg { width: 18px; height: 18px; }
.feature h3 { font-size: 0.97rem; margin-bottom: 3px; }
.feature p { font-size: 0.86rem; color: var(--text-dim); line-height: 1.55; margin: 0; }

.brain-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.brain-cta-note { font-size: 0.84rem; color: var(--text-faint); }

/* Chat mockup */

.chat {
  position: relative;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: rgba(8, 10, 17, 0.92);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), 0 0 60px rgba(99, 91, 255, 0.08);
  overflow: hidden;
}
.chat-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.015);
}
.chat-dots { display: flex; gap: 6px; }
.chat-dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.14); }
.chat-title { font-size: 0.8rem; font-weight: 600; color: var(--text-faint); display: inline-flex; align-items: center; gap: 7px; }
.chat-title .dot { width: 6px; height: 6px; border-radius: 50%; background: #34d399; }

.chat-body { padding: 20px 18px 24px; display: flex; flex-direction: column; gap: 13px; min-height: 230px; }

.msg { max-width: 88%; padding: 12px 15px; border-radius: 13px; font-size: 0.88rem; line-height: 1.6; }
.msg-user {
  align-self: flex-end;
  background: linear-gradient(120deg, rgba(79, 125, 255, 0.22), rgba(124, 77, 255, 0.22));
  border: 1px solid rgba(124, 108, 255, 0.38);
  border-bottom-right-radius: 4px;
  color: var(--text);
}
.msg-ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: var(--text-dim);
}
.msg-ai strong { color: var(--text); font-weight: 650; }

.msg-typing { align-self: flex-start; display: none; gap: 5px; padding: 14px 16px; }
.msg-typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint); animation: typing 1.2s infinite ease-in-out; }
.msg-typing i:nth-child(2) { animation-delay: 0.15s; }
.msg-typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.45; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* ---------- Lead magnet ---------- */

.magnet-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 22px;
  border: 1px solid transparent;
  border-radius: 20px;
  padding: clamp(30px, 5vw, 52px);
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(120deg, rgba(96, 165, 250, 0.35), rgba(168, 85, 247, 0.35)) border-box;
}
@media (min-width: 860px) {
  .magnet-card { flex-direction: row; text-align: left; align-items: center; gap: 32px; }
  .magnet-card .btn { margin-left: auto; }
}

.magnet-icon {
  flex: none; width: 62px; height: 62px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--gradient-btn);
  box-shadow: 0 10px 30px rgba(99, 91, 255, 0.35);
  color: #fff;
}
.magnet-icon svg { width: 27px; height: 27px; }

.magnet-card h3 { font-size: 1.35rem; margin-bottom: 8px; }
.magnet-card p { color: var(--text-dim); font-size: 0.95rem; line-height: 1.65; margin: 0; max-width: 520px; }

/* ---------- Contatti ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr; gap: clamp(40px, 6vw, 72px); }
@media (min-width: 940px) { .contact-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; } }

.contact-info h2 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); }
.contact-info > p { color: var(--text-dim); font-size: 1.02rem; line-height: 1.7; margin-bottom: 28px; }

.contact-points { margin-bottom: 30px; }
.contact-points li { display: flex; gap: 11px; align-items: flex-start; padding-block: 7px; color: var(--text-dim); font-size: 0.95rem; }
.contact-points svg { width: 16px; height: 16px; margin-top: 4px; color: #34d399; flex: none; }

.contact-alt { font-size: 0.9rem; color: var(--text-faint); }

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: clamp(24px, 3.5vw, 36px);
}

.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-dim); margin-bottom: 8px; }
.field label .req { color: var(--violet-soft); }

input[type="text"], input[type="email"], textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  color: var(--text);
  font: inherit; font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input::placeholder, textarea::placeholder { color: var(--text-faint); }
input:focus, textarea:focus {
  outline: none;
  border-color: #7c8cff;
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.16);
}
textarea { min-height: 122px; resize: vertical; }

.consent { display: flex; gap: 11px; align-items: flex-start; margin: 4px 0 20px; }
.consent input { width: 17px; height: 17px; margin-top: 3px; accent-color: #7c5cff; flex: none; cursor: pointer; }
.consent label { font-size: 0.81rem; color: var(--text-dim); line-height: 1.55; cursor: pointer; }

.form-card .btn { width: 100%; }

.form-status {
  margin-top: 16px; padding: 12px 15px; border-radius: var(--radius-sm);
  font-size: 0.88rem; line-height: 1.5;
}
.form-status.error { color: #fecaca; background: rgba(244, 63, 94, 0.09); border: 1px solid rgba(244, 63, 94, 0.35); }

.form-success { text-align: center; padding: clamp(28px, 5vw, 48px) 16px; }
.form-success:focus { outline: none; }
.success-icon {
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; margin: 0 auto 20px;
  background: rgba(52, 211, 153, 0.13);
  border: 1px solid rgba(52, 211, 153, 0.4);
  color: #34d399;
}
.success-icon svg { width: 26px; height: 26px; }
.form-success h3 { font-size: 1.3rem; }
.form-success p { color: var(--text-dim); font-size: 0.95rem; max-width: 380px; margin-inline: auto; }

/* ---------- Footer ---------- */

.footer { border-top: 1px solid var(--border); background: #05060a; padding: clamp(48px, 7vw, 72px) 0 30px; }

.footer-grid { display: grid; grid-template-columns: 1fr; gap: 36px; margin-bottom: 48px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; } }

.footer-brand p { color: var(--text-dim); font-size: 0.9rem; max-width: 320px; margin: 16px 0 14px; }
.footer-brand a { color: var(--text-dim); font-size: 0.9rem; text-decoration: underline; text-underline-offset: 3px; }
.footer-brand a:hover { color: var(--text); }

.footer h4 { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }
.footer-col li { padding-block: 5px; }
.footer-col a, .footer-col button {
  color: var(--text-dim); font-size: 0.91rem;
  background: none; border: 0; padding: 0; text-align: left;
  transition: color 0.2s;
}
.footer-col a:hover, .footer-col button:hover { color: var(--text); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 0.81rem; color: var(--text-faint);
}

/* ---------- Cookie banner ---------- */

.cookie-banner {
  position: fixed; z-index: 200;
  left: 16px; right: 16px; bottom: 16px;
  max-width: 540px; margin-inline: auto;
  background: rgba(12, 15, 24, 0.96);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  padding: 20px 22px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  opacity: 0; transform: translateY(18px); pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.cookie-banner.visible { opacity: 1; transform: none; pointer-events: auto; }
.cookie-banner p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; margin-bottom: 14px; }
.cookie-banner h2 { font-size: 0.95rem; margin-bottom: 6px; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- Pagine legali ---------- */

.legal-main { padding: calc(var(--nav-h) + 40px) 0 90px; }
.legal-main .container { max-width: 780px; }
.legal-main h1 { font-size: clamp(2rem, 4.5vw, 2.7rem); margin-bottom: 8px; }
.legal-updated { color: var(--text-faint); font-size: 0.86rem; margin-bottom: 42px; }
.legal-main h2 { font-size: 1.32rem; margin: 42px 0 12px; }
.legal-main h3 { font-size: 1.05rem; margin: 28px 0 8px; }
.legal-main p, .legal-main li { color: var(--text-dim); font-size: 0.95rem; line-height: 1.75; }
.legal-main ul { list-style: disc; padding-left: 22px; margin-bottom: 16px; }
.legal-main li { margin-bottom: 6px; }

.legal-table { width: 100%; border-collapse: collapse; margin: 18px 0 26px; font-size: 0.88rem; }
.legal-table th, .legal-table td { text-align: left; padding: 11px 14px; border: 1px solid var(--border); color: var(--text-dim); vertical-align: top; line-height: 1.5; }
.legal-table th { color: var(--text); font-weight: 650; background: rgba(255, 255, 255, 0.03); white-space: nowrap; }

.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text-dim); font-size: 0.9rem; font-weight: 550; transition: color 0.2s; }
.back-link:hover { color: var(--text); }
.back-link svg { width: 15px; height: 15px; }

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #hero-canvas { opacity: 1; transition: none; }
}