:root {
  --green: #076b1d;
  --green-2: #0b7f27;
  --green-dark: #033f15;
  --green-soft: #eaf5ed;
  --text: #0d1b2a;
  --muted: #5d6975;
  --line: #dfe6e2;
  --bg: #f7f9f8;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(13, 27, 42, .10);
  --radius: 22px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus {
  width: auto;
  height: auto;
  clip-path: none;
  top: 16px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--green);
  color: var(--white);
  border-radius: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-layout {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-logo {
  width: 220px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
}

.main-nav a {
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 0;
  height: 3px;
  background: var(--green);
  transition: .2s;
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  width: 100%;
}

.header-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--green);
  color: var(--white);
  padding: 13px 20px;
  border-radius: 12px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(7, 107, 29, .22);
  white-space: nowrap;
}

.header-whatsapp img,
.whatsapp-link img,
.whatsapp-button img {
  width: 21px;
  height: 21px;
  filter: brightness(0) invert(1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 27px;
  height: 3px;
  margin: 5px auto;
  background: var(--text);
  border-radius: 999px;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.mobile-menu a {
  display: block;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  font-weight: 800;
}

.mobile-menu.is-open {
  display: block;
}

.hero {
  min-height: 650px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(247,249,248,1) 0%, rgba(247,249,248,.95) 43%, rgba(247,249,248,.38) 68%, rgba(247,249,248,0) 100%),
    url("https://images.unsplash.com/photo-1494526585095-c41746248156?auto=format&fit=crop&w=1800&q=80") center right / cover no-repeat;
}

.hero-content {
  max-width: 630px;
  padding-block: 72px;
}

.eyebrow {
  color: var(--green);
  font-size: 15px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 18px;
}

.eyebrow-light {
  color: #bff3c9;
}

h1 {
  font-size: clamp(38px, 5.1vw, 66px);
  line-height: .98;
  letter-spacing: -2.2px;
  margin-bottom: 24px;
  color: #0a1a1a;
}

h1 span,
.method-content h2 span {
  color: var(--green);
}

.hero-description {
  color: #253241;
  font-size: 19px;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 24px;
  border-radius: 12px;
  font-weight: 900;
  border: 1px solid transparent;
  transition: .2s ease;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 14px 30px rgba(7, 107, 29, .23);
}

.button-secondary {
  color: var(--green);
  background: rgba(255,255,255,.82);
  border-color: var(--green);
}

.button-secondary img {
  filter: none;
}

.button-light {
  color: var(--green-dark);
  background: var(--white);
  border-color: var(--white);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .16);
}

.button-light img {
  filter: none;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  list-style: none;
}

.trust-list li {
  background: rgba(255,255,255,.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 15px;
  color: #1e2b35;
  font-weight: 800;
  font-size: 14px;
}

.trust-list li::before {
  content: "✓ ";
  color: var(--green);
}

.stats-section {
  margin-top: -44px;
  position: relative;
  z-index: 5;
}

.stats-grid {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}

.stat-card {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}

.stat-card:last-child {
  border-right: 0;
}

.stat-card strong {
  display: block;
  color: var(--green);
  font-size: 26px;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-card span {
  color: var(--text);
  font-weight: 800;
}

.section {
  padding: 74px 0;
}

.section-heading {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 34px;
}

.section-heading h2,
.audience-intro h2,
.method-content h2 {
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.section-heading p,
.method-content p,
.muted {
  color: var(--muted);
  font-size: 17px;
}

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

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  transition: .2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(7, 107, 29, .28);
}

.service-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--green-soft);
  color: var(--green);
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 19px;
  line-height: 1.2;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--muted);
  font-size: 15px;
}

.audience-box {
  background: linear-gradient(135deg, #022e11, var(--green));
  color: var(--white);
  border-radius: var(--radius);
  padding: 44px;
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 38px;
  align-items: center;
}

.audience-intro p,
.audience-grid p {
  color: rgba(255,255,255,.84);
}

.audience-intro .button {
  margin-top: 22px;
}

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

.audience-grid article {
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 16px;
  padding: 20px;
  background: rgba(255,255,255,.08);
}

.method-layout {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 54px;
  align-items: center;
}

.method-image img {
  min-height: 390px;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.method-content p {
  margin-bottom: 18px;
}

.certificates-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #eaf5ed 0%, #f7f9f8 58%, #ffffff 100%);
  border-top: 1px solid var(--line);
}

.certificates-section::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -170px;
  top: -180px;
  border: 70px solid rgba(7, 107, 29, .05);
  border-radius: 50%;
  pointer-events: none;
}

.certificates-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 34px;
}

.certificates-heading h2 {
  max-width: 620px;
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.1;
  letter-spacing: -1px;
}

.certificates-heading > p {
  color: var(--muted);
  font-size: 17px;
}

.certificates-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.certificate-card {
  min-height: 230px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 8px 28px rgba(13, 27, 42, .05);
  transition: .2s ease;
}

.certificate-card:hover {
  transform: translateY(-4px);
  border-color: rgba(7, 107, 29, .3);
  box-shadow: var(--shadow);
}

.certificate-number {
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
  color: var(--green);
  background: var(--green-soft);
  border-radius: 13px;
  font-size: 13px;
  font-weight: 900;
}

.certificate-card h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.2;
}

.certificate-card p {
  color: var(--muted);
  font-size: 15px;
}

.certificate-card-wide {
  grid-column: 1 / -1;
  min-height: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  border-color: transparent;
}

.certificate-card-wide .certificate-number {
  margin-bottom: 0;
  color: var(--green-dark);
  background: var(--white);
}

.certificate-card-wide p {
  color: rgba(255,255,255,.82);
}

.certificate-seal {
  padding: 10px 15px;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.contact-section {
  background: var(--white);
  border-top: 1px solid var(--line);
}

.contact-layout {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 28px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}

.contact-info {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
}

.contact-info h3,
.contact-info p {
  margin-bottom: 12px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  gap: 7px;
}

.form-row label {
  font-weight: 800;
  font-size: 14px;
}

input,
textarea,
select {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid #ccd7d0;
  border-radius: 12px;
  background: var(--white);
  color: var(--text);
}

textarea {
  min-height: 128px;
  resize: vertical;
}

.site-footer {
  background: #06150c;
  color: var(--white);
  padding: 34px 0;
  font-size: 14px;
}

.footer-layout {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.72);
}

.floating-whatsapp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #0aa334;
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 18px 38px rgba(0,0,0,.24);
  z-index: 40;
  border: 4px solid var(--white);
}

.floating-whatsapp img {
  width: 31px;
  height: 31px;
  filter: brightness(0) invert(1);
}

@media (max-width: 900px) {
  .container {
    width: min(100% - 28px, 680px);
  }

  .header-layout {
    min-height: 72px;
  }

  .brand-logo {
    width: 154px;
  }

  .main-nav,
  .header-whatsapp {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    background:
      linear-gradient(180deg, rgba(247,249,248,1) 0%, rgba(247,249,248,.96) 54%, rgba(247,249,248,.60) 100%),
      url("https://images.unsplash.com/photo-1494526585095-c41746248156?auto=format&fit=crop&w=1200&q=80") center bottom / cover no-repeat;
  }

  .hero-content {
    padding: 54px 0 210px;
  }

  h1 {
    letter-spacing: -1.5px;
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
  }

  .trust-list {
    display: grid;
  }

  .trust-list li {
    border-radius: 14px;
  }

  .stats-section {
    margin-top: -82px;
  }

  .stats-grid,
  .services-grid,
  .audience-box,
  .method-layout,
  .certificates-heading,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .stat-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat-card:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 54px 0;
  }

  .audience-box {
    padding: 28px;
  }

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

  .method-image img {
    min-height: 280px;
  }

  .floating-whatsapp {
    width: 58px;
    height: 58px;
    right: 18px;
    bottom: 18px;
  }
}

@media (max-width: 600px) {
  .certificates-grid {
    grid-template-columns: 1fr;
  }

  .certificate-card-wide {
    grid-column: auto;
    grid-template-columns: auto 1fr;
  }

  .certificate-seal {
    grid-column: 1 / -1;
    justify-self: start;
  }
}