:root {
  --green: #73d5bc;
  --green-dark: #2d6248;
  --green-light: #e9f3ee;
  --dark: #232825;
  --dark-soft: #313834;
  --grey: #5f6d64;
  --grey-light: #f5f7f6;
  --white: #ffffff;
  --border: #d9e2dd;
  --shadow: 0 10px 30px rgba(35, 40, 37, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.08;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.12;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.section h3 {
  color: var(--dark);
}

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.small-container {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-light {
  background: var(--white);
}

.section-grey {
  background: var(--grey-light);
}

.section-dark {
  background:
    linear-gradient(180deg, rgba(58, 125, 92, 0.16), rgba(35, 40, 37, 0.98)),
    var(--dark);
  color: #eef4f0;
}

.section-dark h2,
.section-dark h3 {
  color: var(--white);
}

.section-dark .lead,
.section-dark p {
  color: #c9d5cd;
}

.section-dark .card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.section-dark .card p {
  color: #c9d5cd;
}

.section-head {
  max-width: 780px;
  margin-bottom: 38px;
}

.section-space {
  margin-top: 42px;
}

.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.section-dark .eyebrow {
  color: #8fd6b2;
}

.lead {
  font-size: 1.08rem;
  color: var(--grey);
  margin-bottom: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  background: var(--dark);
  color: var(--white);
  padding: 12px 16px;
  border-radius: 12px;
  z-index: 2000;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  color: var(--dark);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  display: grid;
  place-items: center;
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a:not(.btn) {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:not(.btn):hover {
  color: var(--green);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--grey);
  font-weight: 800;
  padding: 7px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--green);
  color: var(--white);
}

.nav-toggle {
  display: none;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 14px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-dark);
}

.btn-secondary {
  border-color: var(--green);
  color: var(--green);
  background: transparent;
}

.btn-secondary:hover {
  background: var(--green-light);
}

.btn-light {
  background: var(--white);
  color: var(--dark);
}

.btn-light:hover {
  background: var(--grey-light);
}

/* Hero */

.hero {
  padding-top: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 18px;
}

.partner-note {
  color: var(--grey);
  margin-bottom: 22px;
}

.trust-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.trust-list li {
  background: var(--green-light);
  color: var(--green-dark);
  font-weight: 700;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
}

.hero-panel {
  background:
    linear-gradient(180deg, rgba(58, 125, 92, 0.14), rgba(255, 255, 255, 0.98)),
    var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.mini-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  min-height: 92px;
}

.mini-label {
  display: block;
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.visual-chart {
  height: 170px;
  border-radius: 20px;
  background:
    linear-gradient(90deg, rgba(58, 125, 92, 0.18) 0%, rgba(58, 125, 92, 0.52) 48%, rgba(45, 98, 72, 0.9) 100%);
  position: relative;
  overflow: hidden;
}

.visual-chart::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 34px;
  height: 58px;
  border-bottom: 3px solid rgba(255, 255, 255, 0.9);
  border-left: 3px solid rgba(255, 255, 255, 0.9);
  transform: skewY(-8deg);
}

.mini-note {
  margin: 18px 0 0;
  color: var(--grey);
  font-weight: 700;
}

/* Grids */

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Cards */

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 26px;
}

.card p {
  color: var(--grey);
  margin-bottom: 0;
}

.course-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.badge {
  display: inline-flex;
  background: var(--green-light);
  color: var(--green-dark);
  font-weight: 800;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

/* Chips */

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.chip {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  color: var(--dark);
}

/* Lists */

.checked-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.checked-list li {
  position: relative;
  padding-left: 28px;
  color: var(--grey);
  font-weight: 600;
}

.checked-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 900;
}

/* Steps */

.steps {
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 26px 26px 26px 76px;
}

.section-dark .step {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 22px;
  top: 24px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green-light);
  color: var(--green-dark);
  font-weight: 900;
}

.section-dark .step::before {
  background: rgba(143, 214, 178, 0.16);
  color: #8fd6b2;
}

.step p {
  margin-bottom: 0;
}

/* CTA box */

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 30px;
  margin-top: 40px;
}

.cta-box p {
  margin-bottom: 0;
  color: var(--grey);
}

.dark-box {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.dark-box p {
  color: #c9d5cd;
}

/* Partner */

.partner-box {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 30px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 34px;
}

.partner-logo {
  min-height: 160px;
  border-radius: 24px;
  background: var(--grey-light);
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 900;
  color: var(--grey);
}

.partner-content .checked-list {
  margin: 18px 0 24px;
}

/* Contact */

.contact-grid {
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.contact-list li {
  color: var(--grey);
}

.contact-list strong {
  display: block;
  color: var(--dark);
  margin-bottom: 4px;
}

.contact-list a {
  color: var(--grey);
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--green);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.full {
  grid-column: 1 / -1;
}

label {
  font-weight: 700;
  color: var(--dark);
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  font: inherit;
  color: var(--dark);
  background: var(--white);
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--green);
  border-color: var(--green);
}

.form-status {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--green);
  font-weight: 800;
}

/* FAQ */

.accordion {
  display: grid;
  gap: 14px;
}

.accordion-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px;
  border: 0;
  background: transparent;
  text-align: left;
  font-weight: 800;
  color: var(--dark);
  cursor: pointer;
}

.accordion-icon {
  color: var(--green);
  font-size: 1.4rem;
  line-height: 1;
}

.accordion-panel {
  display: none;
  padding: 0 20px 20px;
}

.accordion-panel p {
  color: var(--grey);
  margin-bottom: 0;
}

.accordion-item.active .accordion-panel {
  display: block;
}

.accordion-item.active .accordion-icon {
  transform: translateY(-1px);
}

/* Footer */

.site-footer {
  background: var(--dark);
  color: #d8e0db;
  padding: 76px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 28px;
}

.footer-brand {
  color: var(--white);
  margin-bottom: 18px;
}

.footer-grid p {
  color: #b9c5be;
}

.footer-grid h3 {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  color: #b9c5be;
}

.footer-list a {
  color: #b9c5be;
  text-decoration: none;
}

.footer-list a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 42px;
  padding-top: 22px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: #b9c5be;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--white);
}

.disclaimer {
  margin: 18px 0 0;
  color: #93a29a;
  font-size: 0.9rem;
}

/* Responsive */

@media (max-width: 1100px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 0;
    padding: 10px;
    cursor: pointer;
  }

  .nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 22px 16px 28px;
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .nav-cta {
    width: 100%;
  }

  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .partner-box,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  .cta-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 72px 0;
  }

  .form-grid,
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Logo */

.brand-logo {
  display: block;
  height: 44px;
  width: auto;
}

.footer-brand .brand-logo {
  height: 40px;
}

/* Hero slider */

.hero-media {
  position: relative;
}

.hero-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--grey-light);
  min-height: 460px;
}

.hero-slides {
  position: relative;
  height: 100%;
  min-height: 460px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: 0.2s ease;
}

.hero-dot.is-active {
  width: 28px;
  background: var(--white);
}

/* Course promo */

.course-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge-promo {
  background: var(--green);
  color: var(--white);
}

.price-line {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
}

.price-line strong {
  color: var(--green-dark);
}

.price-line s {
  color: var(--grey);
  font-size: 1rem;
}

/* Floating promo button */

.promo-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1200;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 0;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  padding: 10px 16px;
  box-shadow: 0 16px 35px rgba(35, 40, 37, 0.22);
  cursor: pointer;
  text-align: left;
  transition: 0.2s ease;
}

.promo-float:hover {
  background: var(--green-dark);
}

.promo-float-badge {
  background: var(--white);
  color: var(--green-dark);
  font-weight: 900;
  border-radius: 999px;
  padding: 8px 10px;
}

.promo-float-content {
  display: grid;
  line-height: 1.2;
}

.promo-float-price s {
  opacity: 0.75;
  margin-left: 6px;
}

/* Promo modal */

.promo-modal {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.promo-modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 24, 22, 0.6);
}

.modal-card {
  position: relative;
  width: min(580px, 100%);
  background: var(--white);
  border-radius: 30px;
  box-shadow: var(--shadow);
  padding: 34px;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: var(--grey-light);
  color: var(--dark);
  font-size: 1.3rem;
  cursor: pointer;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.promo-price-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  background: var(--green-light);
  border-radius: 18px;
  padding: 18px;
  margin-top: 24px;
}

.promo-price {
  font-size: 2rem;
  color: var(--green-dark);
}

.promo-old-price {
  color: var(--grey);
  font-size: 1.2rem;
}

.promo-save {
  background: var(--green);
  color: var(--white);
  padding: 7px 10px;
  border-radius: 999px;
  font-weight: 800;
}

body.no-scroll {
  overflow: hidden;
}

@media (max-width: 640px) {
  .promo-float {
    right: 12px;
    bottom: 12px;
    padding: 9px 12px;
  }

  .promo-float-content strong {
    font-size: 0.9rem;
  }

  .promo-float-price {
    font-size: 0.9rem;
  }

  .hero-slider,
  .hero-slides {
    min-height: 320px;
  }
}
/* Socials */
.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.socials a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--grey-light);
  color: var(--dark);
  transition: 0.2s ease;
}

.socials a:hover {
  background: var(--green);
  color: var(--white);
  transform: translateY(-2px);
}

.site-footer .socials a {
  background: rgba(255, 255, 255, 0.08);
  color: #d8e0db;
}

.site-footer .socials a:hover {
  background: var(--green);
  color: var(--white);
}