/* ===========================
   QodeRaven — styles.css
   Pure CSS3, no frameworks
   =========================== */

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

:root {
  --primary: #0B0F19;
  --accent: #4F7CFF;
  --violet: #7A5CFF;
  --bg: #F7F9FC;
  --text: #1A1A1A;
  --text-muted: #6B7280;
  --border: #E5E7EB;
  --card-bg: #FFFFFF;
  --card-shadow: 0 4px 24px rgba(11, 15, 25, 0.06);
  --card-shadow-hover: 0 8px 40px rgba(11, 15, 25, 0.12);
  --gradient: linear-gradient(135deg, #4F7CFF, #7A5CFF);
  --glow: 0 0 60px rgba(79, 124, 255, 0.3), 0 0 100px rgba(122, 92, 255, 0.15);
  --radius: 12px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Text Gradient ---------- */
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: opacity 0.2s, background 0.2s, transform 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  border: 1px solid rgba(247, 249, 252, 0.2);
  color: rgba(247, 249, 252, 0.8);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(247, 249, 252, 0.05);
}

.glow {
  box-shadow: var(--glow);
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s, box-shadow 0.3s;
}

.navbar.scrolled {
  background: rgba(11, 15, 25, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(79, 124, 255, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--bg);
  letter-spacing: -0.02em;
}

.nav-logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(247, 249, 252, 0.7);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--bg);
}

.nav-cta {
  background: var(--gradient);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.nav-cta:hover { opacity: 0.9; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--bg);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.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); }

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

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 16px 24px 24px;
    gap: 16px;
    border-top: 1px solid rgba(79, 124, 255, 0.1);
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}

.hero-glow--1 {
  top: 20%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: rgba(79, 124, 255, 0.06);
  animation: pulse 4s ease-in-out infinite;
}

.hero-glow--2 {
  bottom: 20%;
  right: 20%;
  width: 400px;
  height: 400px;
  background: rgba(122, 92, 255, 0.06);
  animation: pulse 4s ease-in-out infinite 1s;
}

.hero-glow--3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: rgba(79, 124, 255, 0.03);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(79, 124, 255, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 124, 255, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79, 124, 255, 0.1);
  border: 1px solid rgba(79, 124, 255, 0.2);
  border-radius: 50px;
  padding: 6px 16px;
  margin-bottom: 32px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 800;
  color: var(--bg);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(247, 249, 252, 0.6);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
}

/* ---------- Sections ---------- */
.section {
  padding: 96px 0;
}

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

.section--muted {
  background: #F0F2F5;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-header h2,
.about-text h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* ---------- Cards ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.3s, transform 0.3s;
}

.card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.card-icon--blue {
  background: rgba(79, 124, 255, 0.1);
  color: var(--accent);
}

.card-icon--violet {
  background: rgba(122, 92, 255, 0.1);
  color: var(--violet);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

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

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

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

.about-text .section-label {
  text-align: left;
}

.about-text h2 {
  margin-bottom: 24px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-point {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.3s, transform 0.3s;
}

.about-point:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
}

.about-point-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(79, 124, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.about-point span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 16px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.3s, transform 0.3s;
}

.team-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: transform 0.3s;
}

.team-card:hover .team-avatar {
  transform: scale(1.05);
}

.team-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.team-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- Process ---------- */
.process-timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
}

.process-line {
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--border);
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 2;
}

.process-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}

.process-number {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.process-step h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.process-step p {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 140px;
  margin: 0 auto;
}

/* ---------- CTA ---------- */
.cta-section {
  padding: 96px 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(79, 124, 255, 0.05);
  filter: blur(150px);
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--bg);
  margin-bottom: 24px;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(247, 249, 252, 0.6);
  margin-bottom: 40px;
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--primary);
  border-top: 1px solid rgba(79, 124, 255, 0.1);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(247, 249, 252, 0.5);
  line-height: 1.7;
  max-width: 400px;
  margin-top: 16px;
}

.footer-links h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 0.875rem;
  color: rgba(247, 249, 252, 0.4);
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: rgba(247, 249, 252, 0.7);
}

.footer-bottom {
  border-top: 1px solid rgba(247, 249, 252, 0.1);
  padding: 32px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(247, 249, 252, 0.3);
}

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

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-timeline {
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
  }

  .process-line { display: none; }

  .process-step {
    flex: 0 0 calc(33% - 24px);
  }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

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

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

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

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

  .process-step {
    flex: 0 0 calc(50% - 16px);
  }

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

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
  }

  .process-step {
    flex: 0 0 100%;
  }
}