/* PKSpark Labs Landing Page Design System */
:root {
  --bg-app: #05060b;
  --bg-surface: rgba(14, 17, 33, 0.7);
  --bg-surface-hover: rgba(22, 27, 51, 0.85);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 87, 34, 0.25);
  
  --text-primary: #f2f5fa;
  --text-secondary: #a0a8c7;
  --text-muted: #5e6685;
  
  --primary: hsl(18, 100%, 55%);      /* Vibrant Orange (Logo Spark) */
  --primary-glow: rgba(255, 87, 34, 0.3);
  --secondary: hsl(215, 15%, 60%);    /* Silver Slate (Logo Text) */
  --secondary-glow: rgba(154, 162, 192, 0.3);
  --accent-pink: hsl(330, 90%, 60%);   /* Pink */
  
  --font-family-title: 'Outfit', sans-serif;
  --font-family-body: 'Inter', sans-serif;
  
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-family-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Blur Glow Orbs */
.glow-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}

.primary-glow {
  top: -100px;
  right: -50px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary), transparent 70%);
}

.secondary-glow {
  top: 600px;
  left: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--secondary), transparent 70%);
}

.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Badges */
.badge {
  background-color: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--primary);
  font-family: var(--font-family-title);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 30px;
  display: inline-block;
}

/* Buttons */
.btn {
  font-family: var(--font-family-title);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  border: none;
  outline: none;
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #05060b;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
  filter: brightness(1.15);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
}

/* Navigation Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(5, 6, 11, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 18px 0;
}

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

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

.navbar .brand-logo {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar .brand-logo .material-symbols-rounded {
  color: #000;
  font-size: 20px;
  font-weight: bold;
}

.navbar .brand-text h2 {
  font-family: var(--font-family-title);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.navbar .brand-text span {
  color: var(--primary);
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition-normal);
}

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

.contact-nav-btn {
  padding: 8px 18px;
  font-size: 13px;
  background-color: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--primary) !important;
}

.contact-nav-btn:hover {
  background-color: var(--primary) !important;
  color: #000 !important;
  box-shadow: 0 0 15px var(--primary-glow);
}

@media (max-width: 600px) {
  .nav-links a:not(.contact-nav-btn) {
    display: none;
  }
  .nav-links {
    gap: 0;
  }
  .contact-nav-btn {
    padding: 6px 12px;
    font-size: 12px;
  }
  .navbar .brand img {
    height: 38px !important;
  }
  .nav-container {
    padding: 0 16px;
  }
}

/* Hero Section */
.hero-section {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: 800px !important;
}

.hero-title {
  font-family: var(--font-family-title);
  font-size: 54px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 10px;
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 38px;
    letter-spacing: -0.5px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* General Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-family: var(--font-family-title);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
}

/* Services Grid Section */
.services-section {
  padding: 80px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

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

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background-color: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: var(--transition-normal);
}

.service-card:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.05);
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background-color: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-card:nth-child(2) .service-icon {
  background-color: rgba(168, 85, 247, 0.08);
  border-color: rgba(168, 85, 247, 0.15);
  color: var(--secondary);
}

.service-icon .material-symbols-rounded {
  font-size: 28px;
}

.service-card h3 {
  font-family: var(--font-family-title);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* Visual sections cleaned up to align with simplified index.html */

/* Contact / Inquiries Section */
.contact-section {
  padding: 100px 0;
}

.contact-card {
  background: linear-gradient(135deg, rgba(14, 17, 33, 0.8), rgba(6, 8, 16, 0.95)), url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M0 0 L40 0 L40 40 L0 40 Z' fill='none' stroke='rgba(0,242,254,0.015)' stroke-width='1'/%3E%3C/svg%3E");
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

@media (max-width: 950px) {
  .contact-card {
    grid-template-columns: 1fr;
    padding: 30px;
    gap: 40px;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info h2 {
  font-family: var(--font-family-title);
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 15px;
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 10px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.info-item .material-symbols-rounded {
  color: var(--primary);
}

.contact-form-wrapper form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.form-group input, .form-group textarea {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-family-body);
  font-size: 14px;
  padding: 12px 16px;
  outline: none;
  transition: var(--transition-normal);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.submit-btn {
  width: 100%;
  margin-top: 10px;
}

.submit-btn .material-symbols-rounded {
  font-size: 20px;
  transition: transform var(--transition-normal);
}

.submit-btn:hover .material-symbols-rounded {
  transform: translateX(4px);
}

.success-message {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
  color: #4ade80;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-top: 10px;
}

.success-message .material-symbols-rounded {
  font-size: 20px;
}

/* Footer Section */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
  background-color: #030408;
}

.footer-container p {
  color: var(--text-muted);
  font-size: 12px;
}

/* WhatsApp Hover Styles */
.whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  filter: brightness(1.1);
}

/* Hero Grid Mesh */
.hero-grid-mesh {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at center, transparent 30%, #05060b 95%),
    linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size: 100% 100%, 50px 50px, 50px 50px;
  pointer-events: none;
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
}

/* Custom icon accents for each service */
.services-grid .service-card:nth-child(1) .service-icon {
  color: hsl(18, 100%, 55%) !important;
  background: rgba(255, 87, 34, 0.08) !important;
  border: 1px solid rgba(255, 87, 34, 0.15) !important;
}
.services-grid .service-card:nth-child(2) .service-icon {
  color: hsl(195, 100%, 50%) !important;
  background: rgba(0, 242, 254, 0.08) !important;
  border: 1px solid rgba(0, 242, 254, 0.15) !important;
}
.services-grid .service-card:nth-child(3) .service-icon {
  color: hsl(265, 80%, 65%) !important;
  background: rgba(168, 85, 247, 0.08) !important;
  border: 1px solid rgba(168, 85, 247, 0.15) !important;
}
.services-grid .service-card:nth-child(4) .service-icon {
  color: hsl(330, 90%, 60%) !important;
  background: rgba(255, 0, 128, 0.08) !important;
  border: 1px solid rgba(255, 0, 128, 0.15) !important;
}

/* Tech Stack Section */
.tech-stack-section {
  padding: 80px 0;
  background: radial-gradient(circle at left, rgba(0, 242, 254, 0.03), transparent 60%);
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 900px) {
  .tech-grid {
    grid-template-columns: 1fr;
  }
}
.tech-category {
  background-color: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.tech-category:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background-color: var(--bg-surface-hover);
  transform: translateY(-4px);
}
.category-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}
.tech-category h4 {
  font-family: var(--font-family-title);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-tags span {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-normal);
}
.tech-tags span:hover {
  border-color: var(--primary);
  color: #fff;
  background-color: rgba(255, 87, 34, 0.05);
}

/* Process Section */
.process-section {
  padding: 80px 0;
  background: radial-gradient(circle at right, rgba(255, 0, 128, 0.02), transparent 60%);
}
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 1024px) {
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .process-timeline {
    grid-template-columns: 1fr;
  }
}
.process-step {
  background-color: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.step-header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.step-num {
  font-family: var(--font-family-title);
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.8;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.process-step h4 {
  font-family: var(--font-family-title);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}
.process-step p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}