/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

body {
  font-family: var(--font-family-body);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-headings);
  color: var(--clr-primary);
  font-weight: 700;
  line-height: 1.2;
}

p {
  color: var(--clr-text-muted);
  font-size: var(--fs-body);
  margin-bottom: var(--spacing-sm);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Typography Utilities */
.text-center { text-align: center; }
.text-accent { color: var(--clr-accent); }
.text-white { color: #fff; }
.section-subtitle {
  display: inline-block;
  color: var(--clr-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: var(--fs-body-small);
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: var(--fs-h2);
  margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-family-body);
  font-size: var(--fs-button);
  transition: var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3);
}

.btn-primary:hover {
  background: var(--clr-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 200, 83, 0.4);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--clr-primary);
  color: #fff;
}

.btn-dark:hover {
  background: var(--clr-secondary);
  transform: translateY(-2px);
}

/* Glassmorphism */
.glass-panel {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand svg {
  width: 40px;
  height: 40px;
  fill: var(--clr-accent);
}

.nav-brand-text {
  font-family: var(--font-family-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--clr-accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--clr-accent);
  transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 30px;
  height: 2px;
  background: #fff;
  margin-bottom: 6px;
  transition: var(--transition-fast);
}

/* Sections */
section {
  padding: var(--spacing-xl) 0;
}

.bg-dark {
  background-color: var(--clr-bg-dark);
}
.bg-dark .section-title,
.bg-dark p {
  color: #fff;
}
.bg-dark p { opacity: 0.8; }

.bg-light {
  background-color: var(--clr-bg);
}

/* Footer */
.footer {
  background: var(--clr-bg-dark);
  color: #fff;
  padding-top: var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-brand { margin-bottom: 1rem; }

.footer-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-body-small);
  margin-bottom: 1.5rem;
}

.footer-title {
  color: #fff;
  font-size: var(--fs-h4);
  margin-bottom: 1.5rem;
}

.footer-links li { margin-bottom: 0.75rem; }
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
  font-size: var(--fs-body-small);
}
.footer-links a:hover {
  color: var(--clr-accent);
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 1rem;
}
.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}
.social-icon svg { width: 20px; height: 20px; fill: #fff; }
.social-icon:hover { background: var(--clr-accent); transform: translateY(-3px); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fs-body-small);
}

/* Back to Top */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--clr-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: 99;
  box-shadow: var(--shadow-md);
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
#back-to-top:hover {
  background: var(--clr-accent-hover);
  transform: translateY(-3px);
}
#back-to-top svg { width: 24px; height: 24px; fill: #fff; }

/* Global Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--clr-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: var(--transition-fast);
  color: var(--clr-text);
}

.form-control:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.1);
}

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