/* ===== ProProfile Guide — Styles ===== */

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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container: 1120px;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--primary-dark);
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  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 var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo svg {
  flex-shrink: 0;
}
.logo span {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
  border-radius: 1px;
}
.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}
.nav a:hover {
  color: var(--text);
}
.nav a.active {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}
.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--bg) 0%, var(--primary-light) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.06) 0%, transparent 70%);
}
.hero .container {
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Sections ===== */
.section {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}
.section-alt {
  background: #f8fafc;
}

/* ===== How It Works ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: all var(--transition);
}
.step-card:hover .step-number {
  background: var(--primary);
  color: #fff;
}
.step-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  gap: 20px;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--primary-light);
}
.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.feature-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.feature-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.stat-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1px solid var(--border);
}
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}
.testimonial-text {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
}
.testimonial-role {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.pricing-card {
  padding: 40px 32px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
  transform: scale(1.03);
}
.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}
.pricing-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.pricing-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 20px;
}
.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}
.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}
.pricing-period {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 24px;
}
.pricing-features {
  list-style: none;
  margin-bottom: 28px;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child {
  border-bottom: none;
}
.pricing-features li svg {
  flex-shrink: 0;
  color: #10b981;
}
.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover {
  border-color: var(--primary-light);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: background var(--transition);
  gap: 16px;
}
.faq-question:hover {
  background: #f8fafc;
}
.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--text-muted);
}
.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 500px;
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}
.cta h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta .btn-primary {
  background: #fff;
  color: var(--primary);
}
.cta .btn-primary:hover {
  background: #f1f5f9;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

/* ===== Keywords ===== */
.keywords {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.keywords .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.keyword-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
}
.keyword-tag:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== Footer ===== */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.8);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}
.footer h4 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a {
  color: rgba(255,255,255,0.6);
}
.footer-bottom a:hover {
  color: #fff;
}

/* ===== About & Contact Pages ===== */
.page-hero {
  padding: 120px 0 48px;
  background: linear-gradient(135deg, var(--bg) 0%, var(--primary-light) 100%);
  text-align: center;
}
.page-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
}
.page-hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-top: 8px;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}
.about-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 16px;
}
.about-content h2:first-child {
  margin-top: 0;
}
.about-content p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.team-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.team-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}
.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.6rem;
  margin: 0 auto 16px;
}
.team-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.team-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}
.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-detail h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.contact-detail p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contact-form {
  background: var(--card-bg);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color var(--transition);
  background: var(--bg);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero h1 { font-size: 2.3rem; }
  .steps-grid,
  .stats-grid,
  .testimonials-grid,
  .pricing-grid,
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  }
  .menu-toggle { display: flex; }
  .header .container { position: relative; }

  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 1.9rem; }
  .hero p { font-size: 1rem; }
  .section { padding: 60px 0; }
  .section-header h2 { font-size: 1.7rem; }

  .steps-grid,
  .stats-grid,
  .testimonials-grid,
  .pricing-grid,
  .features-grid,
  .team-grid { grid-template-columns: 1fr; }

  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .contact-form { padding: 24px; }
  .page-hero h1 { font-size: 1.9rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.6rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .stat-number { font-size: 2.2rem; }
}