/* ============================================================
   Hands On AI Training — Stylesheet
   Brand: Forest Green / Warm Cream / Amber
   Fonts: Montserrat (headings) + Lato (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;1,400&family=Montserrat:wght@400;600;700&display=swap');

:root {
  --green:       #1E3D2F;
  --green-dark:  #152b20;
  --green-hover: #2a5240;
  --cream:       #F8F4EC;
  --amber:       #C89A3A;
  --amber-hover: #b08830;
  --dark:        #1C1C1C;
  --gray:        #5a5a5a;
  --light-gray:  #e2ddd4;
  --white:       #FFFFFF;
  --max-width:   1100px;
  --radius:      6px;
}

/* ---- RESET ---- */

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Lato', sans-serif;
  color: var(--dark);
  background-color: var(--white);
  line-height: 1.68;
}

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

/* ---- TYPOGRAPHY ---- */

h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 2.9rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.05rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--amber); }

ul { list-style: none; }

/* ---- LAYOUT ---- */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

section { padding: 80px 0; }

.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 10px;
}

/* ---- NAVIGATION ---- */

nav {
  background-color: var(--green);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo .tagline {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(248,244,236,0.65);
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(248,244,236,0.88);
  letter-spacing: 0.04em;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---- BUTTONS ---- */

.btn {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  padding: 14px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-amber {
  background-color: var(--amber);
  color: var(--white);
  border-color: var(--amber);
}
.btn-amber:hover {
  background-color: var(--amber-hover);
  border-color: var(--amber-hover);
  color: var(--white);
}

.btn-outline-cream {
  background-color: transparent;
  color: var(--cream);
  border-color: rgba(248,244,236,0.6);
}
.btn-outline-cream:hover {
  background-color: var(--cream);
  color: var(--green);
  border-color: var(--cream);
}

.btn-green {
  background-color: var(--green);
  color: var(--cream);
  border-color: var(--green);
}
.btn-green:hover {
  background-color: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--cream);
}

/* ---- HERO ---- */

.hero {
  background-color: var(--green);
  padding: 96px 0 88px;
}

.hero h1 {
  color: var(--white);
  max-width: 720px;
  margin-bottom: 22px;
}

.hero-sub {
  font-size: 1.2rem;
  color: rgba(248,244,236,0.85);
  max-width: 580px;
  margin-bottom: 44px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- PAGE HEADER ---- */

.page-header {
  background-color: var(--green);
  padding: 64px 0 56px;
}

.page-header h1 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.page-header p {
  color: rgba(248,244,236,0.82);
  font-size: 1.15rem;
  max-width: 580px;
  margin-bottom: 0;
  line-height: 1.65;
}

/* ---- WHO IT SERVES CARDS ---- */

.serves-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 44px;
}

.serves-card {
  background-color: var(--cream);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-top: 4px solid var(--green);
}

.serves-card h3 {
  color: var(--green);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.serves-card p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.55;
}

/* ---- HOW IT WORKS ---- */

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 52px;
}

.diff-item {}

.diff-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 14px;
}

.diff-item h3 {
  color: var(--green);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.diff-item p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* ---- SERVICE BLOCKS ---- */

.service-block {
  background-color: var(--cream);
  border-radius: var(--radius);
  padding: 52px 48px;
  margin-bottom: 28px;
  border-left: 5px solid var(--green);
}

.service-block h3 {
  color: var(--green);
  font-size: 1.55rem;
  margin-bottom: 8px;
}

.service-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 20px;
}

.service-block p {
  font-size: 1rem;
  color: var(--dark);
  max-width: 680px;
}

/* ---- PULL QUOTE ---- */

.pull-quote {
  background-color: var(--green);
  padding: 72px 0;
}

.pull-quote blockquote {
  font-size: 1.2rem;
  line-height: 1.75;
  color: rgba(248,244,236,0.9);
  font-style: italic;
  border-left: 4px solid var(--amber);
  padding-left: 36px;
  max-width: 840px;
}

.pull-quote cite {
  display: block;
  margin-top: 20px;
  font-family: 'Montserrat', sans-serif;
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
  padding-left: 36px;
}

/* ---- BIO SECTIONS ---- */

.bio-section {
  margin-bottom: 40px;
}

.bio-section h3 {
  color: var(--green);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--light-gray);
}

/* ---- CREDENTIALS BAR ---- */

.credentials-bar {
  background-color: var(--cream);
  border-top: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
  padding: 36px 0;
}

.credentials-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
}

.credentials-list li {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.credentials-list li::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--amber);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- CTA SECTION ---- */

.cta-section {
  background-color: var(--cream);
  text-align: center;
  padding: 88px 0;
}

.cta-section h2 {
  color: var(--green);
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 36px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- CONTACT PAGE ---- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  padding-top: 24px;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  background-color: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--cream);
}

.contact-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 5px;
}

.contact-value {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--green);
}

.contact-value:hover { color: var(--amber); }

.contact-note {
  font-size: 0.88rem;
  color: var(--gray);
  margin-top: 4px;
}

.contact-context h3 {
  color: var(--green);
  margin-bottom: 14px;
}

.contact-context p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---- TRAVEL NOTE ---- */

.travel-note {
  background-color: var(--cream);
  border-radius: var(--radius);
  padding: 28px 32px;
  border-left: 4px solid var(--amber);
  margin-top: 12px;
}

.travel-note p {
  font-size: 0.92rem;
  color: var(--gray);
}

/* ---- FOOTER ---- */

footer {
  background-color: var(--green-dark);
  padding: 40px 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--cream);
}

.footer-nav {
  display: flex;
  gap: 28px;
}

.footer-nav a {
  font-size: 0.85rem;
  color: rgba(248,244,236,0.6);
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--amber); }

.footer-contact {
  font-size: 0.82rem;
  color: rgba(248,244,236,0.55);
  text-align: right;
}

.footer-contact a {
  color: rgba(248,244,236,0.55);
  transition: color 0.2s;
}

.footer-contact a:hover { color: var(--amber); }

/* ---- RESPONSIVE ---- */

@media (max-width: 900px) {
  .serves-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.65rem; }
  section { padding: 56px 0; }

  .hero { padding: 64px 0 60px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 1.05rem; }

  .nav-links { gap: 20px; }
  .nav-links a { font-size: 0.8rem; }

  .diff-grid { grid-template-columns: 1fr; gap: 28px; }
  .serves-grid { grid-template-columns: 1fr 1fr; }
  .service-block { padding: 36px 28px; }

  .pull-quote blockquote { font-size: 1.05rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-contact { text-align: left; }
}

@media (max-width: 520px) {
  .serves-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
  .btn { text-align: center; width: 100%; max-width: 280px; }
}

/* ---- MOBILE NAV (hamburger) ---- */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--cream);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

@media (max-width: 640px) {
  .nav-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 14px 20px;
    gap: 0;
  }

  .nav-logo {
    flex: 1;
    padding: 4px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding: 8px 0 14px;
  }

  .nav-links li a {
    display: block;
    font-size: 0.9rem;
    padding: 11px 4px;
    border-bottom: 1px solid rgba(248,244,236,0.1);
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }

  nav.nav-open .nav-links {
    display: flex;
  }

  nav.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  nav.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  nav.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}