:root {
  --color1: #3d4eb0;
  --color2: #e8e9fd;
  --color3: #000;
  --color4: #ffffff;
  --color5: #013cfd;
}

body {
  font-family: "Raleway", sans-serif;
  padding-top: 70px;
  line-height: 1.2;
}

section {
  padding: 40px 20px;
  scroll-margin-top: 70px;
}

.navbar {
  background-color: #061020;
  height: auto;
  display: flex;
  align-items: center;
  padding-top: 15px;
  padding-bottom: 15px;
}

footer {
  background-color: #061020;
  color: white;
  padding-top: 25px;
  padding-bottom: 15px;
  text-align: center;
}

footer img {
  max-width: 150px !important;
}

footer p {
  margin: 15px 0;
  text-align: center;
  font-size: 15px;
}

.navbar-brand img {
  max-width: 150px;
  height: auto;
}

.navbar-nav .nav-link {
  color: white;
  font-size: 16px;
}

.hero {
  background-image: image-set(url("../img/fondo-hero_opt.avif") type("image/avif"),
      url("../img/fondo-hero_opt.webp") type("image/webp"),
      url("../img/fondo-hero.jpg") type("image/jpeg"));

  background-size: cover;
  background-position: center bottom;
  min-height: 500px;
  padding: 60px 0;
  position: relative;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
}

.hero-content {
  position: relative;
  display: flex;
  justify-content: center;
}

.form-box {
  background: var(--color4);
  padding: 30px;
  width: 100%;
}

.form-box .form-title {
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--color1);
  font-size: 22px;
}

.form-box p {
  margin-bottom: 10px;
  font-family: Arial, sans-serif;
  font-size: 14px;
}

.form-box input[type="text"],
.form-box input[type="tel"],
.form-box input[type="email"] {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 25px;
  border: 1px solid #ccc;
}

.input-group>:not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
  border-top-left-radius: 25px;
  border-bottom-left-radius: 25px;
}

.invalid-feedback {
  margin-left: 12px;
  margin-bottom: 5px;
}

.form-check {
  margin-top: 15px;
  margin-bottom: 15px;
  font-size: 14px;
}

.checkbox label {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 12px;
  font-family: Arial, sans-serif;
}

.checkbox input {
  width: auto;
  margin: 0;
}

.form-box button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 25px;
  background: var(--color1);
  color: var(--color4);
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

.form-box button:hover {
  opacity: 0.9;
}

.privacy-link {
  color: var(--color1);
}

.buyers-section {
  padding: 40px 20px;
  background-color: var(--color4);
}

.tag {
  display: inline-block;
  background-color: #d4d8ee;
  color: var(--color1);
  font-weight: bold;
  font-size: 16px;
  padding: 5px 15px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.main-title {
  font-size: 34px;
  font-weight: 500;
  color: var(--color3);
  margin: 0 auto 20px auto;
}

.subtitle {
  font-size: 20px;
  font-weight: 400;
  color: var(--color3);
  max-width: 950px;
  margin: 0 auto 50px auto;
}

.features {
  text-align: left;
}

.feature-item {
  padding: 10px 20px;
}

.feature-item .titular {
  display: flex;
  flex-direction: row;
}

.feature-item .number {
  width: 30px;
  height: 30px;
  background: var(--color1);
  color: var(--color4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  margin-right: 10px;
  flex-shrink: 0;
}

.feature-item h3 {
  color: var(--color1);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 5px;
}

.feature-item p {
  font-size: 18px;
  font-weight: 700;
  color: var(--color3);
}

.how-it-works {
  background: var(--color4);
}

.how-tag {
  color: var(--color1);
  font-weight: 700;
  margin-bottom: 10px;
  font-size: 20px;
}

.how-title {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 20px;
}

.how-card {
  background: var(--color4);
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.25);
  height: 100%;
}

.how-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 15px;
}

.circle {
  width: 40px;
  height: 40px;
  background: var(--color2);
  color: var(--color1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 35px;
}

.how-card h3 {
  font-weight: 700;
  margin-bottom: 10px;
  font-size: 24px;
}

.how-card p {
  font-size: 16px;
  color: var(--color3);
}

.icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 15px;
}

.icon-bg {
  width: 60px;
  height: auto;
}

.icon-number {
  width: 35px;
  height: 35px;
  background: var(--color2);
  color: var(--color1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.example-card {
  padding: 0;
  overflow: hidden;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.25);
  border-radius: 20px;
}

.examples .row>div {
  display: flex;
}

.example-card h3 {
  margin-top: 15px;
  font-weight: 700;
}

.example-img {
  height: 180px;
  background-size: cover;
  background-position: center;
}

.example-content {
  padding: 20px;
  padding-top: 10px;
  text-align: center;
}

.example-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.example-content p {
  font-size: 18px;
}

.row>div:nth-child(1) .example-img {
  background-image: image-set(url("../img/example1_opt.avif") type("image/avif"),
      url("../img/example1_opt.webp") type("image/webp"),
      url("../img/example1_opt.png") type("image/png"),
      url("../img/example1_opt.jpg") type("image/jpeg"));
}

.row>div:nth-child(2) .example-img {
  background-image: image-set(url("../img/example2_opt.avif") type("image/avif"),
      url("../img/example2_opt.webp") type("image/webp"),
      url("../img/example2_opt.png") type("image/png"),
      url("../img/example2_opt.jpg") type("image/jpeg"));
}

.row>div:nth-child(3) .example-img {
  background-image: image-set(url("../img/example3_opt.avif") type("image/avif"),
      url("../img/example3_opt.webp") type("image/webp"),
      url("../img/example3_opt.png") type("image/png"),
      url("../img/example3_opt.jpg") type("image/jpeg"));
}

.why {
  margin-top: 0px;
  background: var(--color4);
}

.why-card h3 {
  color: var(--color1);
  font-size: 20px;
}

.why-card p {
  font-size: 16px;
}

.faq {
  background: var(--color4);
}

.faq-box {
  background: var(--color4);
  padding: 25px;
  border-radius: 20px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.25);
  margin-top: 20px;
}

.accordion-item {
  border: none !important;
  background: transparent;
}

.accordion-button {
  background: transparent;
  font-size: 18px;
  font-weight: 500;
  padding: 20px 10px;
  box-shadow: none;
}

.accordion-button:not(.collapsed) {
  color: var(--color1);
  background: transparent;
}

.accordion-button::after {
  content: "+";
  font-size: 30px;
  color: var(--color5);
  font-weight: bold;
  background-image: none;
  position: relative;
  bottom: 12px;
}

.accordion-button:not(.collapsed)::after {
  box-shadow: none !important;
  content: "–";
  font-size: 30px;
  color: var(--color5);
  font-weight: bold;
  background-image: none;
  position: relative;
  bottom: 12px;
}

.accordion-body {
  padding: 0 10px 15px 10px;
  font-size: 14px;
}

.accordion-body p {
  margin-bottom: 0;
}

.accordion-item,
.accordion-item:not(:first-of-type),
.accordion-item:not(:last-child) {
  border: none !important;
}

.accordion-button {
  border: none !important;
  box-shadow: none !important;
}

.accordion {
  border: none !important;
}

.accordion-button,
.accordion-button::after {
  transition: none !important;
}

.accordion-button::after {
  transform: none !important;
}

.accordion-collapse,
.accordion-item:last-of-type .accordion-collapse {
  border-width: 0;
}

.cta-final {
  background: var(--color4);
}

.cta-title {
  color: var(--color1);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 600;
  margin-bottom: 15px;
  text-wrap: balance;
}

.cta-subtitle {
  font-size: clamp(14px, 2vw, 18px);
  color: var(--color3);
  font-weight: 700;
}

html {
  scroll-behavior: smooth;
}

@media (min-width: 992px) {
  section {
    scroll-margin-top: 120px;
  }
}

@media (min-width: 768px) {
  .hero-content {
    justify-content: flex-end;
  }

  .form-box {
    width: 370px;
  }

  .how-card {
    padding: 20px;
  }
}

@media (min-width: 992px) {
  body {
    padding-top: 120px;
  }

  .navbar {
    height: 120px;
    padding-left: 50px;
    padding-right: 50px;
  }

  .navbar-brand img {
    max-width: 250px;
    height: auto;
  }

  .navbar-nav {
    gap: 20px;
  }

  .navbar-nav .nav-link {
    font-size: 20px;
  }

  .form-box .form-title {
    font-size: 25px;
  }

  .form-box p {
    font-size: 15px;
  }

  .tag {
    font-size: 25px;
  }

  .main-title {
    font-size: 96px;
  }

  .subtitle {
    font-size: 42px;
    margin-top: 40px;
    margin-bottom: 70px;
  }

  .feature-item .number {
    font-size: 22px;
    width: 40px;
    height: 40px;
  }

  .feature-item h3 {
    font-size: 30px;
  }

  .feature-item p {
    font-size: 26px;
  }

  .how-tag {
    font-size: 32px;
  }

  .how-title {
    font-size: 49px;
    margin-bottom: 50px;
  }

  .circle {
    font-size: 55px;
    width: 50px;
    height: 50px;
  }

  .how-card h3 {
    font-size: 32px;
  }

  .how-card p {
    font-size: 20px;
  }

  .why {
    margin-top: 50px;
  }

  .why-card h3 {
    font-size: 24px;
  }

  .why-card p {
    font-size: 18px;
  }

  .accordion-button {
    font-size: 20px;
  }

  .accordion-button::after,
  .accordion-button:not(.collapsed)::after {
    font-size: 40px;
    bottom: 17px;
  }

  footer {
    text-align: right;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  footer img {
    max-width: 180px !important;
  }

  footer p {
    margin: 0;
    text-align: right;
    font-size: 16px;
  }
}