:root {
  --ink: #17221f;
  --muted: #5f6b66;
  --paper: #f7f2e9;
  --surface: #fffaf0;
  --green: #0f3d35;
  --green-2: #1f5d4f;
  --gold: #c49b54;
  --clay: #a65f3a;
  --burgundy: #7b1f2a;
  --line: rgba(23, 34, 31, 0.14);
  --shadow: 0 22px 50px rgba(23, 34, 31, 0.16);
  font-family: "Tahoma", "Arial", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
}

body.menu-open {
  overflow: hidden;
}

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

img {
  display: block;
  width: 100%;
  height: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 68px);
  color: #fff;
  background: rgba(15, 61, 53, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  background: rgba(196, 155, 84, 0.26);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  line-height: 1.4;
}

.brand small {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.78rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-weight: 700;
  font-size: 0.96rem;
}

.primary-nav a {
  color: rgba(255, 255, 255, 0.88);
}

.primary-nav a:hover {
  color: #fff;
}

.nav-cta {
  padding: 9px 15px;
  background: #fff;
  color: var(--green) !important;
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 9px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #fff;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero picture,
.hero img,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero img {
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(15, 61, 53, 0.86), rgba(15, 61, 53, 0.42) 46%, rgba(23, 34, 31, 0.2)),
    linear-gradient(0deg, rgba(23, 34, 31, 0.56), rgba(23, 34, 31, 0.04) 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 36px));
  margin: 0 clamp(18px, 6vw, 84px) clamp(46px, 9vw, 92px);
  color: #fff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--gold);
  font-weight: 800;
  font-size: 0.95rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.1rem, 8vw, 7.2rem);
  line-height: 1.05;
}

.hero-copy {
  max-width: 670px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.08rem, 2vw, 1.38rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.hero .button.primary {
  background: #fff;
  color: var(--green);
  border-color: #fff;
}

.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.42);
}

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

main > section:not(.hero) {
  padding: clamp(56px, 8vw, 104px) clamp(18px, 5vw, 68px);
}

.intro,
.audience,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
}

.intro h2,
.section-head h2,
.split-copy h2,
.audience h2,
.contact h2 {
  margin: 0;
  color: var(--green);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.25;
}

.intro-text p,
.contact-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.services {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 30px;
}

.section-head.compact {
  max-width: 760px;
  display: block;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.service-item {
  min-height: 285px;
  padding: 28px;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
}

.service-item span {
  color: var(--clay);
  font-weight: 900;
}

.service-item h3 {
  margin: 52px 0 12px;
  color: var(--green);
  font-size: 1.35rem;
}

.service-item p,
.check-list,
.faq p,
.audience-list p {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: center;
  background: #f0e5d4;
}

.split-image img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.check-list {
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 12px 34px 12px 0;
  border-top: 1px solid rgba(15, 61, 53, 0.16);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 22px;
  right: 0;
  width: 14px;
  height: 8px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(38deg);
}

.students {
  background: var(--green);
  color: #fff;
}

.students .section-kicker,
.students h2 {
  color: #fff;
}

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
  margin-top: 34px;
}

.gallery figure {
  margin: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
}

.gallery img {
  height: 430px;
  object-fit: cover;
}

.gallery figure:nth-child(3) img {
  object-position: center;
}

.gallery figcaption {
  padding: 14px 16px;
  font-weight: 800;
}

.audience {
  background: var(--surface);
}

.audience-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.audience-list p {
  min-height: 96px;
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-weight: 800;
}

.faq-list {
  max-width: 960px;
  margin-inline: auto;
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.6);
}

summary {
  cursor: pointer;
  padding: 22px 0;
  font-size: 1.18rem;
  font-weight: 900;
  color: var(--green);
}

details p {
  margin: -8px 0 22px;
}

.contact {
  background: #eee0c9;
}

.contact-panel {
  display: grid;
  align-content: center;
  gap: 10px;
  min-height: 260px;
  padding: clamp(24px, 5vw, 42px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-panel p,
.contact-panel span {
  margin: 0;
  color: var(--muted);
}

.contact-panel strong {
  color: var(--green);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  direction: ltr;
  text-align: right;
}

.floating-actions {
  position: fixed;
  z-index: 30;
  left: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  display: grid;
  gap: 10px;
}

.floating-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 46px;
  padding: 10px 16px;
  border-radius: 999px;
  color: #fff;
  font-weight: 900;
  box-shadow: 0 14px 32px rgba(17, 26, 24, 0.24);
}

.floating-button.whatsapp {
  background: #128c4a;
}

.floating-button.call {
  background: var(--green);
}

.floating-button:hover {
  transform: translateY(-1px);
}

label {
  display: grid;
  gap: 8px;
  color: var(--green);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(15, 61, 53, 0.22);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(196, 155, 84, 0.32);
  border-color: var(--gold);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(18px, 5vw, 68px);
  color: #fff;
  background: #111a18;
}

.site-footer p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a {
  color: #fff;
  font-weight: 800;
}

@media (max-width: 980px) {
  .primary-nav {
    position: fixed;
    inset: 75px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px 18px 22px;
    background: rgba(15, 61, 53, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    padding: 13px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .nav-cta {
    margin-top: 12px;
    text-align: center;
  }

  .nav-toggle {
    display: block;
  }

  .intro,
  .audience,
  .contact,
  .split-section {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .gallery {
    grid-template-columns: 1fr 1fr;
  }

  .gallery img {
    height: 360px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 86vh;
  }

  .hero-overlay {
    background:
      linear-gradient(0deg, rgba(15, 61, 53, 0.94), rgba(15, 61, 53, 0.22) 72%),
      linear-gradient(90deg, rgba(23, 34, 31, 0.4), rgba(23, 34, 31, 0.06));
  }

  .hero-content {
    width: calc(100% - 28px);
    margin: 0 14px 34px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .button {
    width: 100%;
  }

  .section-head {
    display: block;
  }

  .service-grid,
  .gallery,
  .audience-list {
    grid-template-columns: 1fr;
  }

  .service-item {
    min-height: auto;
  }

  .service-item h3 {
    margin-top: 28px;
  }

  .gallery img {
    height: 320px;
  }

  .site-footer {
    display: block;
  }

  .site-footer a {
    display: inline-block;
    margin-top: 18px;
  }
}