/* ========================================
   ReTrack - Tracciabilità RENTRI by RGM
   CSS Stylesheet
   ======================================== */

/* === VARIABILI CSS === */
:root {
  --blue: #0b3a82;
  --blue-dark: #082a5f;
  --blue-soft: #e7effc;
  --accent: #2196f3;
  --text: #1f2933;
  --muted: #6b7280;
  --bg: #f5f7fb;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(11, 58, 130, 0.08);
  --shadow-lg: 0 8px 24px rgba(11, 58, 130, 0.15);
}

/* === RESET E BASE === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: linear-gradient(to bottom, #ffffff, var(--bg));
  color: var(--text);
  line-height: 1.6;
  scroll-behavior: smooth;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

/* === HEADER === */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  padding: 20px 0;
  animation: fadeInDown 0.8s ease-out;
  border-bottom: 2px solid transparent;
  background: linear-gradient(
    to right,
    transparent,
    var(--blue-soft) 50%,
    transparent
  );
  background-size: 200% 100%;
  border-radius: var(--radius);
  padding: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 200px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  filter: drop-shadow(0 2px 8px rgba(11, 58, 130, 0.15));
}

.logo-img:hover {
  transform: scale(1.08) rotate(2deg);
  filter: drop-shadow(0 4px 16px rgba(11, 58, 130, 0.3));
}

.logo-dot {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 2px solid var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--blue);
}

.badge-rgm {
  font-size: 11px;
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-soft), #cfe2ff);
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(11, 58, 130, 0.15);
  transition: all 0.3s ease;
  border: 1px solid rgba(11, 58, 130, 0.1);
}

.badge-rgm:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(11, 58, 130, 0.25);
}

/* === HERO SECTION === */
.hero {
  padding: 50px 40px;
  border-radius: 16px;
  background: linear-gradient(135deg, #ffffff 0%, var(--blue-soft) 100%);
  border: 1px solid #d0ddf5;
  margin-bottom: 40px;
  box-shadow: 0 12px 40px rgba(11, 58, 130, 0.12);
  animation: fadeInUp 0.8s ease-out;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(33, 150, 243, 0.15) 0%,
    transparent 70%
  );
  border-radius: 50%;
  z-index: 0;
  animation: float 6s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 350px;
  height: 350px;
  background: radial-gradient(
    circle,
    rgba(11, 58, 130, 0.08) 0%,
    transparent 70%
  );
  border-radius: 50%;
  z-index: 0;
  animation: float 8s ease-in-out infinite reverse;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
  font-weight: 600;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 16px;
  color: var(--blue);
  font-weight: 800;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--blue) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 20px rgba(11, 58, 130, 0.1);
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 680px;
  line-height: 1.7;
  font-weight: 400;
}

.hero-bullets {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  font-size: 0.95rem;
}

.hero-bullets li {
  list-style: none;
  padding-left: 28px;
  position: relative;
  line-height: 1.6;
}

.hero-bullets li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--accent));
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(11, 58, 130, 0.3);
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-image-container {
  margin-top: 32px;
  margin-bottom: 8px;
  text-align: center;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-screenshot {
  max-width: 70%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(11, 58, 130, 0.25);
  border: 3px solid #fff;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-screenshot:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 30px 80px rgba(11, 58, 130, 0.35);
}

/* === BUTTONS === */
.btn-primary,
.btn-ghost {
  border-radius: 999px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  box-shadow: 0 6px 16px rgba(11, 58, 130, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(11, 58, 130, 0.45);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: var(--blue);
  color: var(--blue);
  background: #fff;
  box-shadow: 0 4px 12px rgba(11, 58, 130, 0.12);
}

.btn-ghost:hover {
  background: var(--blue-soft);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(11, 58, 130, 0.2);
  border-color: var(--accent);
}

/* === STRIP === */
.strip {
  margin: 32px 0;
  padding: 16px 20px;
  border-radius: 12px;
  background: linear-gradient(to right, #f8fbff, var(--blue-soft), #f8fbff);
  font-size: 0.88rem;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border: 1px solid #d0ddf5;
  box-shadow: 0 2px 8px rgba(11, 58, 130, 0.08);
}

.strip span strong {
  color: var(--blue);
}

/* === SECTIONS === */
section {
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease-out;
}

section h2 {
  font-size: 1.6rem;
  margin-bottom: 12px;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: -0.01em;
}

section p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 10px;
}

/* === GRID & CARDS === */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: 10px;
}

.card {
  border-radius: 12px;
  border: 2px solid #e8eff9;
  padding: 24px 22px;
  background: linear-gradient(to bottom, #ffffff, #fafcff);
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(11, 58, 130, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--blue), var(--accent));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(11, 58, 130, 0.15);
  border-color: var(--accent);
}

.card h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--text);
}

.pill {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 4px;
}

/* === HOW IT WORKS === */
.how {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 10px;
  font-size: 0.9rem;
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--blue), var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  margin-right: 10px;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(11, 58, 130, 0.3);
}

/* === CTA & FORM === */
.cta-block {
  margin-top: 20px;
  padding: 32px 28px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue-soft) 0%, #f0f7ff 100%);
  border: 2px solid #c1cdec;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(11, 58, 130, 0.1);
}

form {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
  font-size: 0.85rem;
}

label {
  display: block;
  margin-bottom: 3px;
  font-weight: 600;
  color: var(--text);
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 2px solid #d4e1f0;
  font-family: inherit;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  background: #fff;
}

input:hover,
textarea:hover {
  border-color: var(--accent);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(11, 58, 130, 0.1);
}

textarea {
  min-height: 80px;
  grid-column: 1 / -1;
  resize: vertical;
}

.submit-row {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-start;
  margin-top: 4px;
}

.submit-row button {
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  padding: 12px 28px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(11, 58, 130, 0.3);
}

.submit-row button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(11, 58, 130, 0.4);
}

.submit-row button:active {
  transform: translateY(0);
}

/* === MESSAGES === */
.success-message {
  background: #d4edda;
  color: #155724;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid #c3e6cb;
  margin-top: 10px;
  display: none;
}

.error-message {
  background: #f8d7da;
  color: #721c24;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid #f5c6cb;
  margin-top: 10px;
  display: none;
}

/* === FOOTER === */
footer {
  margin-top: 22px;
  font-size: 0.8rem;
  text-align: center;
  color: var(--muted);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.05);
  }
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  .logo-img {
    height: 55px;
  }
  header {
    padding: 16px;
  }
  .hero {
    padding: 32px 24px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 0.95rem;
  }
  .hero-screenshot {
    border-width: 2px;
  }
  .card {
    padding: 20px 16px;
  }
  .cta-block {
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .logo-img {
    height: 45px;
  }
  header {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .hero-screenshot {
    max-width: 100%;
  }
  .btn-primary,
  .btn-ghost {
    width: 100%;
    text-align: center;
  }
}