/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1a1a1a;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: #444;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #1a1a1a;
}

.nav-cta {
  background: #1a1a1a;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: #333;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #1a1a1a;
  transition: transform 0.2s, opacity 0.2s;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 120px 0 80px;
  background: #faf8f5;
}

.hero-content {
  padding: 0 48px 0 80px;
  max-width: 600px;
}

.hero-tag {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b87333;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  color: #1a1a1a;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: #555;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #1a1a1a;
  color: #fff;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.15s, background 0.2s;
}

.btn-primary:hover {
  background: #333;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #1a1a1a;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid #1a1a1a;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: #1a1a1a;
  color: #fff;
}

.btn-large {
  padding: 16px 36px;
  font-size: 16px;
}

.btn-full {
  width: 100%;
}

.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: #666;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-image {
  height: 100%;
  min-height: 500px;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

/* ===== WHY SECTION ===== */
.why {
  padding: 100px 0;
  background: #fff;
}

.section-title {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.section-sub {
  text-align: center;
  font-size: 17px;
  color: #666;
  max-width: 640px;
  margin: 0 auto 60px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.why-card {
  text-align: center;
  padding: 32px 24px;
  border-radius: 12px;
  background: #faf8f5;
  transition: transform 0.2s;
}

.why-card:hover {
  transform: translateY(-4px);
}

.why-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.why-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.why-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
}

/* ===== FORMAT SECTION ===== */
.format {
  padding: 100px 0;
  background: #1a1a1a;
  color: #fff;
}

.format .section-title {
  color: #fff;
  text-align: left;
  margin-bottom: 48px;
}

.format-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 32px;
}

.format-step {
  padding: 32px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-num {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #b87333;
  margin-bottom: 16px;
}

.format-step h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}

.format-step p {
  font-size: 15px;
  line-height: 1.7;
  color: #bbb;
}

.format-arrow {
  align-self: center;
  font-size: 28px;
  color: #b87333;
}

/* ===== CURRICULUM ===== */
.curriculum {
  padding: 100px 0;
  background: #fff;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.curriculum-item {
  padding: 32px;
  border-radius: 12px;
  background: #faf8f5;
  transition: box-shadow 0.2s;
}

.curriculum-item:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.curriculum-item h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #1a1a1a;
}

.curriculum-item p {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
}

/* ===== EXPERIENCE ===== */
.experience {
  padding: 100px 0;
  background: #faf8f5;
}

.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.experience-text .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.experience-text p {
  font-size: 16px;
  line-height: 1.7;
  color: #555;
  margin-bottom: 16px;
}

.experience-meta {
  display: flex;
  gap: 20px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.experience-meta span {
  font-size: 14px;
  color: #666;
}

.experience-image img {
  border-radius: 12px;
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* ===== DETAILS CARD ===== */
.details {
  padding: 100px 0;
  background: #fff;
}

.details-card {
  max-width: 800px;
  margin: 0 auto;
  padding: 56px;
  background: #faf8f5;
  border-radius: 16px;
  text-align: center;
}

.details-card h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 40px;
  color: #1a1a1a;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #888;
}

.detail-value {
  font-size: 16px;
  font-weight: 600;
  color: #1a1a1a;
}

.details-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.details-note {
  font-size: 15px;
  font-style: italic;
  color: #666;
}

/* ===== FAQ ===== */
.faq {
  padding: 100px 0;
  background: #faf8f5;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 17px;
  font-weight: 600;
  color: #1a1a1a;
  text-align: left;
}

.faq-icon {
  font-size: 24px;
  font-weight: 300;
  color: #888;
  transition: transform 0.2s;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.7;
  color: #555;
}

.faq-answer a {
  color: #b87333;
  font-weight: 500;
  text-decoration: underline;
}

/* ===== APPLY ===== */
.apply {
  padding: 100px 0;
  background: #1a1a1a;
  color: #fff;
}

.apply-card {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.apply-card h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.apply-sub {
  font-size: 16px;
  color: #bbb;
  margin-bottom: 40px;
}

.apply-form form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.apply-form input,
.apply-form select,
.apply-form textarea {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.apply-form input:focus,
.apply-form select:focus,
.apply-form textarea:focus {
  outline: none;
  border-color: #b87333;
}

.apply-form input::placeholder,
.apply-form select:invalid,
.apply-form textarea::placeholder {
  color: #888;
}

.apply-form select option {
  background: #1a1a1a;
  color: #fff;
}

.apply-form textarea {
  min-height: 100px;
  resize: vertical;
}

.form-note {
  font-size: 13px;
  color: #888;
  margin-top: 8px;
}

.apply-contact {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.apply-contact p {
  font-size: 14px;
  color: #888;
  margin-bottom: 8px;
}

.apply-contact a {
  font-size: 15px;
  color: #fff;
  font-weight: 500;
}

.apply-contact a:hover {
  color: #b87333;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 32px;
  background: #111;
  color: #999;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 8px;
}

.footer-tag {
  font-size: 14px;
  color: #888;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #bbb;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-address p {
  line-height: 1.8;
  color: #888;
  text-align: right;
}

.footer-copy {
  text-align: center;
  font-size: 13px;
  color: #666;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 100px 0 0;
  }

  .hero-content {
    padding: 48px 24px;
    max-width: 100%;
    order: 1;
  }

  .hero-image {
    min-height: 300px;
    order: 2;
  }

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

  .format-steps {
    grid-template-columns: 1fr;
  }

  .format-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

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

  .experience-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .footer-address p {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  }

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

  .mobile-menu-btn {
    display: flex;
  }

  .hero-content {
    padding: 32px 20px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .why-grid,
  .curriculum-grid,
  .details-grid {
    grid-template-columns: 1fr;
  }

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

  .details-card {
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-address p {
    text-align: left;
  }
}