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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  color: #1a1a1a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background: #ffe400;
  color: #1a1a1a;
}

.btn-primary:hover {
  background: #e6cd00;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 228, 0, 0.3);
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  height: 72px;
  display: flex;
  align-items: center;
  transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 36px;
  width: auto;
}

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

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: #1a1a1a;
  transition: color 0.2s;
}

.nav-link:hover {
  color: #888;
}

.nav-btn {
  padding: 10px 24px;
  background: #ffe400;
  color: #1a1a1a;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}

.nav-btn:hover {
  background: #e6cd00;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: #1a1a1a;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  padding: 20px 24px;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

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

.nav-mobile .nav-link,
.nav-mobile .nav-btn {
  font-size: 18px;
  text-align: center;
  padding: 12px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.3) 50%,
    rgba(0, 0, 0, 0.5) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 60px 24px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 600px;
}

/* ===== Section Titles ===== */
.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: #1a1a1a;
  text-align: center;
  margin-bottom: 48px;
  line-height: 1.2;
}

/* ===== About ===== */
.about {
  padding: 100px 0;
  background: #fff;
}

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

.about-image img {
  border-radius: 16px;
  width: 100%;
  height: 400px;
  object-fit: cover;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.about-text p {
  font-size: 18px;
  line-height: 1.8;
  color: #444;
}

/* ===== Cards ===== */
.cards {
  padding: 80px 0;
  background: #f8f8f8;
}

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

.card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.card-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-content {
  padding: 28px;
}

.card-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.card-text {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 8px;
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e5e5e5;
}

.faq-item:first-child {
  border-top: 1px solid #e5e5e5;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  text-align: left;
  font-family: inherit;
  transition: color 0.2s;
}

.faq-question:hover {
  color: #666;
}

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  margin-left: 16px;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

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

.faq-answer p {
  padding-bottom: 24px;
  font-size: 16px;
  color: #555;
  line-height: 1.7;
}

/* ===== Contact ===== */
.contact {
  padding: 100px 0;
  background: #f8f8f8;
}

.contact-subtitle {
  text-align: center;
  font-size: 18px;
  color: #555;
  margin-bottom: 48px;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: #ffe400;
  box-shadow: 0 0 0 3px rgba(255, 228, 0, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 18px;
}

.contact-legal {
  text-align: center;
  font-size: 13px;
  color: #888;
  margin-top: 24px;
  line-height: 1.6;
}

.contact-legal a {
  color: #666;
  text-decoration: underline;
}

.contact-legal a:hover {
  color: #333;
}

/* ===== Footer ===== */
.footer {
  background: #1a1a1a;
  padding: 48px 0;
  color: #fff;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-brand img {
  height: 32px;
  filter: brightness(0) invert(1);
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-link {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s;
}

.footer-link:hover {
  color: #ffe400;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: 80vh;
  }

  .hero-content {
    padding: 40px 24px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-image img {
    height: 280px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .section-title {
    margin-bottom: 32px;
  }

  .about,
  .faq,
  .contact {
    padding: 64px 0;
  }

  .faq-question {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 32px;
  }

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