/* HERO */
.roi-hero {
  position: relative;
  width: 100%;
  height: 65vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: url('img/hero-roi.jpg') 50% 30% / cover no-repeat;
}

.roi-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

.roi-hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin-left: 18%;
  padding-right: 20px;
  color: white;
}

.roi-hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 25px;
}

.roi-hero-content p {
  font-size: clamp(1rem, 1.2vw, 1.2rem);
  opacity: 0.85;
  line-height: 1.6;
  margin-bottom: 35px;
}

/* SHARED TYPOGRAPHY */
.roi-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(35, 44, 61, 0.38);
  margin-bottom: 18px;
}

.roi-section-title {
  font-size: clamp(2rem, 3.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.0;
  color: #1b2a1e;
  margin: 0 0 20px;
}

.roi-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #6b7280;
  margin-bottom: 40px;
}

/* CALCULATOR SECTION */
.roi-calc-section {
  background: #fff;
  padding: 100px 6%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  max-width: 1300px;
  margin: 0 auto;
}

.roi-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}

.roi-stat-card {
  background: #1b2a1e;
  padding: 28px 24px;
}

.roi-stat-card:first-child {
  border-radius: 12px 0 0 12px;
}

.roi-stat-card:last-child {
  border-radius: 0 12px 12px 0;
}

.roi-stat-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.32);
  margin-bottom: 8px;
}

.roi-stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -1px;
}

.roi-stat-desc {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.5;
}

/* FORM */
.roi-form-wrap {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 20px;
  padding: 48px 40px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.07);
}

.roi-form-title {
  font-size: 1rem;
  font-weight: 900;
  color: #1b2a1e;
  margin-bottom: 32px;
  letter-spacing: 1px;
}

.roi-field {
  margin-bottom: 20px;
}

.roi-field label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(35, 44, 61, 0.5);
  margin-bottom: 8px;
}

.roi-field input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  color: #232c3d;
  background: #fafafa;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.roi-field input:focus {
  border-color: #1b2a1e;
  box-shadow: 0 0 0 3px rgba(27, 42, 30, 0.08);
  background: #fff;
}

.roi-field input::placeholder {
  color: rgba(35, 44, 61, 0.3);
}

.roi-btn {
  width: 100%;
  padding: 15px;
  background: #1b2a1e;
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  margin-top: 8px;
}

.roi-btn:hover {
  background: #2d4a33;
  transform: translateY(-1px);
}

/* RESULT */
.roi-result {
  margin-top: 28px;
  display: none;
}

.roi-result-inner {
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 14px;
  overflow: hidden;
}

.roi-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.roi-result-row--highlight {
  background: #1b2a1e;
  border-bottom: none;
  border-radius: 0 0 14px 14px;
}

.roi-result-key {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(35, 44, 61, 0.45);
}

.roi-result-val {
  font-size: 1rem;
  font-weight: 900;
  color: #1b2a1e;
}

.roi-result-row--highlight .roi-result-key {
  color: rgba(255, 255, 255, 0.45);
}

.roi-result-row--highlight .roi-result-val {
  color: #fff;
  font-size: 1.1rem;
}

.roi-result-note {
  font-size: 0.72rem;
  color: rgba(35, 44, 61, 0.35);
  margin-top: 12px;
  text-align: center;
  line-height: 1.5;
}

/* WHY SECTION */
.roi-why-section {
  background: #fff;
  padding: 100px 6%;
}

.roi-why-inner {
  max-width: 1300px;
  margin: 0 auto;
}

.roi-why-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 64px;
}

.roi-why-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.roi-point {
  background: #fff;
  border-radius: 16px;
  padding: 32px 28px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.roi-point-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(27, 42, 30, 0.08);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -2px;
}

.roi-point-title {
  font-size: 0.95rem;
  font-weight: 900;
  color: #1b2a1e;
  margin-bottom: 10px;
}

.roi-point-desc {
  font-size: 0.82rem;
  color: #6b7280;
  line-height: 1.65;
}

/* CTA */
.roi-cta-section {
  background: #1b2a1e;
  width: 100%;
  padding: 100px 6%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
}

.roi-cta-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.32);
  margin-bottom: 18px;
}

.roi-cta-title {
  font-size: clamp(2rem, 3.5vw, 4rem);
  font-weight: 900;
  line-height: 1.0;
  color: #fff;
  margin: 0;
}

.roi-cta-right {
  align-self: end;
}

.roi-cta-body {
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.46);
  max-width: 400px;
  margin: 0 0 32px;
}

.roi-cta-btn {
  display: inline-block;
  padding: 14px 28px;
  background: #fff;
  color: #1b2a1e;
  border-radius: 8px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}

.roi-cta-btn:hover {
  background: rgba(255, 255, 255, 0.85);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .roi-calc-section,
  .roi-why-top,
  .roi-cta-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .roi-why-points {
    grid-template-columns: 1fr;
  }

  .roi-cta-section {
    padding: 72px 6%;
  }
}

@media (max-width: 768px) {
  .roi-hero-content {
    margin-left: 0;
    padding: 0 20px;
    text-align: center;
  }

  .roi-calc-section {
    padding: 72px 6%;
  }

  .roi-form-wrap {
    padding: 32px 24px;
  }

  .roi-why-section {
    padding: 72px 6%;
  }
}