:root {
  --green: #028500;
  --green-2: #14a54a;
  --bg: #ffffff;
  --text: #111;
  --muted: #555;
  --gray: #e9ecef;
  --heroOverlay: rgba(0, 0, 0, 0.35);
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell,
    'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}
a {
  color: var(--green);
  text-decoration: none;
}
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.25rem;
}

.top-strip {
  background: var(--green);
  color: #fff;
  border-bottom: 6px solid var(--green-2);
}
.top-strip .top-text {
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 58vh;
  display: flex;
  align-items: center;
  background: url('/img/img.png') center/cover no-repeat;
}
.hero .overlay {
  position: absolute;
  inset: 0;
  background: var(--heroOverlay);
}
.hero .hero-inner {
  position: relative;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}
.hero-title {
  font-size: 3rem;
  margin: 0 0 0.5rem;
}
.hero-sub {
  font-size: 1.1rem;
  margin: 0.2rem 0 0.2rem;
}
.scroll-btn {
  display: inline-block;
  margin-top: 1rem;
  background: #fff;
  color: var(--green);
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-weight: 700;
}

.white-section {
  background: #fff;
  color: #111;
  padding: 2rem 0;
}
.white-section .narrow {
  max-width: 860px;
}
.section-title {
  margin: 0 0 0.75rem;
}
.section-title.green {
  color: var(--green);
  font-size: 2.1rem;
}
.section-title.black {
  color: #111;
  font-size: 2rem;
}
.lead {
  font-size: 1.1rem;
}
.black {
  color: #111;
}

.reveal {
  margin-top: 1rem;
}
.btn {
  border: 0;
  cursor: pointer;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-weight: 700;
}
.btn.gray {
  background: var(--gray);
  color: #111;
}
.btn.green {
  background: var(--green);
  color: #fff;
}
.reveal-box {
  margin-top: 0.75rem;
  padding: 1rem;
  background: #fff;
  border-left: 4px solid var(--green);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.concepts {
  background: #f7f9fb;
  padding: 2rem 0;
  border-top: 1px solid #eef2f5;
  border-bottom: 1px solid #eef2f5;
}
.concept-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.concept-list li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.5rem 0;
  border-bottom: 1px dashed #e4e9ef;
}
.concept-list li i {
  color: var(--green);
  margin-top: 0.2rem;
  min-width: 22px;
  text-align: center;
}

.form {
  margin-top: 1rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
input,
textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #dde3ea;
  border-radius: 10px;
  background: #fff;
  color: #111;
}
input::placeholder,
textarea::placeholder {
  color: #9aa6b2;
}
.muted {
  color: var(--muted);
  margin-top: 0.6rem;
}

.last {
  padding-bottom: 3rem;
}

:root {
  --verde: #028500;
}
html,
body {
  margin: 0;
  height: 100%;
  font-family: Arial, sans-serif;
}

/* === BLOCCO 1 === */
.hero-wrap {
  background-image: url('/img/img.png');
  background-size: cover;
  background-position: center;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-frame {
  box-sizing: border-box;
  padding: 3% 10%;
  border: 6px solid var(--verde);
  border-radius: 10px;
  color: #fff;
  background: transparent;
  text-align: center;
  line-height: 1.4;
  max-width: 1200px;
}
.hero-frame p {
  margin: 0 0 1em 0;
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 500;
}

/* === BLOCCO 2 === */
.content-block {
  background: #fff;
  color: #111;
  padding: 80px 10%;
  text-align: center;
}
.content-block h2 {
  color: var(--verde);
  font-size: clamp(36px, 4vw, 50px);
  margin-bottom: 30px;
}
.content-block p {
  font-size: 18px;
  line-height: 1.5;
  max-width: 900px;
  margin: 0 auto 30px;
}
.toggle-btn {
  display: inline-block;
  padding: 12px 22px;
  background: #e5e5e5;
  color: #111;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
}
.hidden-text {
  display: none;
  max-width: 900px;
  margin: 40px auto 0;
  text-align: left;
  font-size: 17px;
  line-height: 1.5;
}

/* === BLOCCO 3 === */
.concepts-block {
  background: #fff;
  color: #111;
  padding: 80px 10%;
}
.concepts-block h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 400;
  text-align: center;
  margin: 0 0 36px 0;
}
.concepts-block h3 .bold {
  font-weight: 700;
}
.concepts-list {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}
.concept-item {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 12px;
  font-size: 21px;
  line-height: 1.5;
  padding: 14px 0;
}
.concept-item + .concept-item {
  border-top: 1px solid #e6e6e6;
}
.concept-item i {
  color: var(--verde);
  font-size: 22px;
  line-height: 1.2;
  margin-top: 2px;
  flex-shrink: 0;
}

/* === BLOCCO 4 === */
.form-block {
  background: #fff;
  color: #111;
  padding: 80px 10%;
  text-align: center;
}
.form-block h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 400;
  margin-bottom: 20px;
}
.form-block p {
  font-size: 17px;
  line-height: 1.5;
  max-width: 800px;
  margin: 0 auto 40px;
}
.form-block p .bold {
  font-weight: 700;
}
form {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}
label {
  display: block;
  font-size: 16px;
  margin-bottom: 6px;
  font-weight: 500;
}
input,
textarea {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  font-size: 15px;
}
textarea {
  min-height: 100px;
  resize: vertical;
}
button.cta {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--verde);
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
button.cta:hover {
  opacity: 0.9;
}

#subscribe-message {
  font-size: 1.2rem;
  margin-top: 30px;
  margin-bottom: 30px;
}

#subscribe-message .success {
  color: #147814;
}

#subscribe-message .error {
  color: #d93025;
}