/* 
  Nixby Media - Modern Redesign
  Author: Gemini AI
  Date: 2025-09-16
*/

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

:root {
  /* Colors - High-Tech Blue/Cyan Theme */
  --color-background: #0d1117;        /* Deep Dark Blue */
  --color-surface: #161B22;           /* Lighter Charcoal Blue */
  --color-primary: #22d3ee;           /* Bright Cyan */
  --color-primary-hover: #67e8f9;     /* Lighter Cyan for Hover */
  --color-secondary: #e5e7eb;         /* Off-white for accents */
  --color-text: #f0f6fc;              /* Bright, clean text */
  --color-text-muted: #8b949e;        /* Muted gray for paragraphs */
  --color-border: #30363d;            /* Subtle Border */

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-size-base: 16px;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Spacing */
  --space-unit: 1rem;

  /* Effects */
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-smooth: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-background);
}

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

a:hover {
  color: var(--color-secondary);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  margin-bottom: calc(var(--space-unit) * 1.5);
  color: var(--color-text);
}

h1 { font-size: 3.25rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

p {
  margin-bottom: var(--space-unit);
  color: var(--color-text-muted);
}

/*--------------------------------------------------------------
# Global Classes
--------------------------------------------------------------*/
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--space-unit) * 2);
}

.section {
  padding: calc(var(--space-unit) * 6) 0;
  border-bottom: 1px solid var(--color-border);
}

.section:last-of-type {
  border-bottom: none;
}

.section-title {
  text-align: center;
  margin-bottom: calc(var(--space-unit) * 4);
}

.btn {
  display: inline-block;
  padding: calc(var(--space-unit) * 0.75) calc(var(--space-unit) * 2);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-background);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-text-muted);
}

/*--------------------------------------------------------------
# Header & Navigation
--------------------------------------------------------------*/
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all var(--transition-smooth);
}

.header.scrolled {
    background-color: rgba(13, 17, 23, 0.85); /* Deep Dark Blue with alpha */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-weight: var(--font-weight-medium);
    position: relative;
    padding-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-smooth);
}

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

.nav-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
}

/* Animations */
.section, .service-card, .feature-item, .project-card, .testimonial-card, .position-card, .benefit-item, .value-item, .industry-item, .faq-item, .process-step {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.section.is-visible, .service-card.is-visible, .feature-item.is-visible, .project-card.is-visible, .testimonial-card.is-visible, .position-card.is-visible, .benefit-item.is-visible, .value-item.is-visible, .industry-item.is-visible, .faq-item.is-visible, .process-step.is-visible {
    opacity: 1;
    transform: translateY(0);
}


/*--------------------------------------------------------------
# Main Content & Sections
--------------------------------------------------------------*/
/* Hero Section */
.hero-section {
    text-align: center;
    padding: 8rem 0;
    background: radial-gradient(ellipse at top, var(--color-surface), var(--color-background) 80%);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-cta .btn {
    margin: 0 0.5rem;
}

/* Services Section */
.services-section {
    background-color: var(--color-background);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-surface);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.service-title {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 1rem;
}

/* Why Us Section */
.why-us-section {
    background-color: var(--color-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    background-color: transparent;
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
    background-color: var(--color-surface);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* About Page Styles */
.page-header {
    text-align: center;
    padding: 6rem 0;
    background-color: var(--color-surface);
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

.our-story-section .story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.story-timeline {
    border-left: 2px solid var(--color-primary);
    padding-left: 2rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.7rem;
    top: 5px;
    width: 16px;
    height: 16px;
    background-color: var(--color-primary);
    border-radius: 50%;
    border: 3px solid var(--color-background);
}

.timeline-year {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.mission-vision-section {
    background-color: var(--color-surface);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.mission-card, .vision-card {
    padding: 3rem 2rem;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.card-title {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    text-align: center;
}

.value-item {
    background-color: var(--color-surface);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.value-item i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.value-item h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
}

.team-section {
    background-color: var(--color-surface);
}

.team-member {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

/* Services Page Styles */
.services-detailed-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.service-detailed-card {
    background-color: var(--color-surface);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.service-detailed-title {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.process-section {
    padding-top: 0;
}

.process-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.process-step-number {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.tech-stack-section {
    background-color: var(--color-surface);
}

.tech-stack-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.tech-item {
    background-color: var(--color-surface);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--color-border);
}

/* Portfolio Page Styles */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.1);
}

.project-card-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.project-description {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background-color: rgba(34, 211, 238, 0.1); /* Cyan with alpha */
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.testimonials-section {
    background-color: var(--color-surface);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-background);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.testimonial-text {
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--color-text-muted);
}

.testimonial-author {
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
}

.industries-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.industry-item {
    background-color: var(--color-surface);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
}

/* Contact Page Styles */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.contact-info p {
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.contact-info-subtitle {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-medium);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.faq-section {
    background-color: var(--color-surface);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-question {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Careers Page Styles */
.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.position-card {
    background-color: var(--color-surface);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
}

.position-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-secondary);
}

.position-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.position-description {
    margin-bottom: 1.5rem;
}

.why-work-with-us-section {
    background-color: var(--color-surface);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    text-align: center;
}

.benefit-item {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.benefit-item h4 {
    color: var(--color-text);
}

/* Policy Pages (Privacy & Terms) */
.policy-content {
    max-width: 800px;
    margin: 0 auto;
}

.policy-content h2 {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.policy-content h2:first-child {
    margin-top: 0;
}

/*--------------------------------------------------------------
# Footer
--------------------------------------------------------------*/
.footer {
    background-color: var(--color-background);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.footer-subtitle {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--color-text-muted);
    font-size: 1.5rem;
    transition: color var(--transition-fast);
}

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-text-muted);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    text-align: center;
    color: var(--color-text-muted);
}

/*--------------------------------------------------------------
# Responsive Design
--------------------------------------------------------------*/
@media (max-width: 992px) {
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2rem; }
  .section { padding: calc(var(--space-unit) * 4) 0; }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  .container { padding: 0 calc(var(--space-unit) * 1.5); }

  .nav-toggle {
    display: block;
    z-index: 1001;
  }

  .nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: all var(--transition-smooth);
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-background);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right var(--transition-smooth);
  }

  .nav-menu.active {
    right: 0;
  }

  .services-detailed-grid,
  .mission-vision-grid,
  .testimonials-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .our-story-section .story-content {
    grid-template-columns: 1fr;
  }

  .values-grid,
  .benefits-grid,
  .process-steps-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}