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

:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --accent: #c79a3e;
  --accent-light: #e0b85c;
  --dark: #1a1a2e;
  --gray: #6b7280;
  --light-gray: #f4f6f9;
  --white: #ffffff;
  --text: #2d2d3a;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(199,154,62,0.3);
}

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

.btn-large { padding: 18px 44px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--accent); }

.nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 8px;
}
.nav-cta:hover {
  background: var(--primary-light);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 26px; height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
  color: var(--white);
  padding: 160px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(199,154,62,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content { position: relative; z-index: 1; max-width: 760px; }
.hero-tag {
  display: inline-block;
  background: rgba(199,154,62,0.2);
  color: var(--accent-light);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  max-width: 600px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Stats ===== */
.stats {
  background: var(--primary);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-light);
  margin-bottom: 4px;
}
.stat-label {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== Sections ===== */
section { padding: 100px 0; }

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-description { color: var(--gray); font-size: 1.1rem; }

/* ===== About ===== */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}
.about-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
}
.about-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.about-text p { color: var(--gray); margin-bottom: 16px; font-size: 1.05rem; }

.about-credentials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.credential h4 { color: var(--primary); font-size: 1rem; margin-bottom: 4px; }
.credential p { color: var(--gray); font-size: 0.9rem; margin: 0; }

/* ===== Services ===== */
.services { background: var(--light-gray); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.service-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}
.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.service-card p { color: var(--gray); font-size: 0.95rem; }

/* ===== Approach ===== */
.approach { background: var(--white); }
.approach-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.approach-step { text-align: center; }
.step-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.4;
}
.step-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.step-content p { color: var(--gray); font-size: 0.95rem; }

/* ===== Testimonials ===== */
.testimonials { background: var(--light-gray); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.quote {
  font-size: 1.05rem;
  color: var(--text);
  font-style: italic;
  margin-bottom: 24px;
  line-height: 1.7;
}
.testimonial-author strong { display: block; color: var(--primary); font-size: 1rem; }
.testimonial-author span { color: var(--gray); font-size: 0.9rem; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}
.cta-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-content p { font-size: 1.1rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; }

/* ===== Contact ===== */
.contact { background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  font-size: 1.5rem;
  width: 48px; height: 48px;
  background: var(--light-gray);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item h4 { color: var(--primary); font-size: 1rem; margin-bottom: 4px; }
.contact-item p { color: var(--gray); font-size: 0.95rem; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input,
.contact-form textarea {
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(199,154,62,0.1);
}
.form-success {
  display: none;
  color: #16a34a;
  font-weight: 600;
  text-align: center;
  padding: 12px;
  background: #f0fdf4;
  border-radius: 8px;
}
.form-success.show { display: block; }

/* ===== Footer ===== */
.footer { background: var(--dark); color: rgba(255,255,255,0.7); padding-top: 60px; }
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-brand .logo { color: var(--white); margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 0.9rem; margin-bottom: 4px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
}
.footer-bottom p { font-size: 0.85rem; text-align: center; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero h1 { font-size: 2.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-timeline { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: var(--transition);
  }
  .nav-links.active { transform: translateY(0); }
  .nav-toggle { display: flex; }

  .hero { padding: 130px 0 80px; }
  .hero h1 { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }

  section { padding: 60px 0; }
  .section-header h2 { font-size: 1.8rem; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-number { font-size: 1.8rem; }

  .services-grid { grid-template-columns: 1fr; }
  .approach-timeline { grid-template-columns: 1fr; }
  .about-credentials { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { text-align: center; }
}