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

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: #333;
  background: #fff;
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 40px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
}

.nav-logo {
  color: #fff;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-right a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

.nav-right a:hover {
  opacity: 0.8;
}

.nav-right a.active {
  border-bottom: 1px solid #fff;
}

.nav-icon svg {
  width: 18px;
  height: 18px;
  fill: #fff;
  display: block;
}

/* DROPDOWN */
.nav-dropdown {
  position: relative;
}

.nav-dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: #222;
  min-width: 140px;
  padding: 8px 0;
  z-index: 100;
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 13px;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

.dropdown-menu a:hover {
  background: #333;
}

/* HERO */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  background-color: #4a5568;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.hero-home {
  background-image: url('images/hero-home.jpg');
}

.hero-about {
  background-image: url('images/hero-about.jpg');
  align-items: flex-start;
  justify-content: flex-end;
  padding-bottom: 0;
}

.hero-training {
  background-image: url('images/hero-training.jpg');
  height: 55vh;
}

.hero-method {
  background-image: url('images/hero-method.jpg');
  background-position: 50% 15%;
  height: 55vh;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
}

.hero-content h1 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero-content .page-title {
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.15);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 1px;
  transition: background 0.2s;
}

.btn:hover {
  background: rgba(255,255,255,0.25);
}

/* SECTIONS */
.section {
  padding: 80px 40px;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 28px;
}

.section p {
  font-size: 14px;
  line-height: 1.8;
  color: #444;
}

/* ABOUT SECTION */
.about-section {
  padding: 80px 40px;
  max-width: 760px;
  margin: 0 auto;
}

.about-section h2 {
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 48px;
}

.about-section p {
  font-size: 14px;
  line-height: 1.9;
  color: #444;
  margin-bottom: 20px;
}

.about-section a {
  display: block;
  text-align: center;
  margin-top: 32px;
  font-size: 12px;
  letter-spacing: 2px;
  color: #888;
  text-decoration: none;
  text-transform: uppercase;
}

.about-section a:hover {
  color: #333;
}

/* TRAINING SECTION */
.training-section {
  padding: 80px 40px;
  max-width: 760px;
  margin: 0 auto;
}

.training-section h2 {
  font-size: 26px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 28px;
  line-height: 1.3;
}

.training-section p {
  font-size: 14px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 20px;
}

.training-section ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0 8px;
}

.training-section ul li {
  font-size: 14px;
  line-height: 1.8;
  color: #444;
  padding: 4px 0 4px 18px;
  position: relative;
}

.training-section ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #444;
}

.training-section ul ul {
  margin-left: 20px;
}

.training-section ul ul li::before {
  content: '○';
  font-size: 11px;
  top: 1px;
}

/* METHOD SECTION */
.method-section {
  padding: 80px 40px;
  max-width: 760px;
  margin: 0 auto;
}

.method-section .method-block {
  margin-bottom: 36px;
}

.method-section .method-heading {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 12px;
  color: #222;
}

.method-section ul {
  list-style: none;
  padding: 0;
}

.method-section ul li {
  font-size: 14px;
  line-height: 1.8;
  color: #444;
  padding: 4px 0 4px 18px;
  position: relative;
}

.method-section ul li::before {
  content: '•';
  position: absolute;
  left: 0;
}

/* FOOTER */
footer {
  background: #3a3a3a;
  padding: 48px 40px;
  text-align: center;
}

footer p, footer a {
  color: #ccc;
  font-size: 13px;
  line-height: 2;
  text-decoration: none;
  display: block;
}

footer a:hover {
  color: #fff;
}