/* ============================================
   Codveda Static Site - Global Stylesheet
   ============================================ */

/* --- CSS Custom Properties (Codveda Brand) --- */
:root {
  --color-primary: #2563eb;
  --color-primary-deep: #103eb2;
  --color-primary-light: #7296f2;
  --color-navy: #1b1f29;
  --color-text-primary: #1b1f29;
  --color-text-secondary: #4b4f58;
  --color-surface: #f9fbff;
  --color-white: #ffffff;
  --color-border: #e0e3eb;
  --color-accent-gold: #fcb900;
  --color-accent-red: #cf2e2e;
  --color-success: #00d084;

  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-card: 0 2px 8px rgba(27, 31, 41, 0.08);
  --shadow-elevated: 0 8px 24px rgba(27, 31, 41, 0.12);

  --transition-base: 200ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --container-padding: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-deep);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button {
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}

button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.375rem; }
}

@media (min-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2rem; }
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-deep);
  color: var(--color-white);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section {
  padding: 4rem 0;
}

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

.section-dark {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-secondary);
}

/* --- Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.nav-logo:hover {
  color: var(--color-primary-light);
}

.nav-logo span {
  color: var(--color-primary);
}

.nav-links {
  display: none;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 1rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background-color var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .hamburger {
    display: none;
  }
}

/* --- Hamburger Button --- */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: min(300px, 80vw);
  height: 100vh;
  background-color: var(--color-navy);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  padding: 5rem 1.5rem 2rem;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  z-index: 200;
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu a {
  display: block;
  padding: 0.875rem 1rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.0625rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background-color var(--transition-base);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* --- Hero Section --- */
.hero {
  background-color: var(--color-navy);
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.125rem;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .hero {
    padding: 7rem 0 6rem;
  }

  .hero p {
    font-size: 1.25rem;
  }
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

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

.service-card .icon {
  width: 48px;
  height: 48px;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-card .icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* --- Features Section --- */
.features-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .features-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-item .check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background-color: rgba(0, 208, 132, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.125rem;
}

.feature-item .check svg {
  width: 14px;
  height: 14px;
  color: var(--color-success);
}

.feature-item h4 {
  margin-bottom: 0.25rem;
}

.feature-item p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.testimonial-card blockquote {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-card blockquote::before {
  content: '\201C';
  font-size: 2rem;
  color: var(--color-primary-light);
  line-height: 0;
  vertical-align: -0.5em;
  margin-right: 0.125rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.testimonial-info .name {
  font-weight: 600;
  font-size: 0.875rem;
}

.testimonial-info .role {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* --- About Page --- */
.page-hero {
  background-color: var(--color-navy);
  padding: 3rem 0;
}

.page-hero h1 {
  color: var(--color-white);
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb .separator {
  color: rgba(255, 255, 255, 0.3);
}

.breadcrumb .current {
  color: rgba(255, 255, 255, 0.9);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.about-content img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 300px;
  object-fit: cover;
}

@media (min-width: 768px) {
  .about-content img {
    height: 400px;
  }
}

.about-text p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 480px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.team-card {
  text-align: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.team-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.team-card img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-inline: auto;
  margin-bottom: 1rem;
  background-color: var(--color-border);
}

.team-card h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.team-card p {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.value-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.value-card h3 {
  font-size: 1rem;
  margin-bottom: 0.375rem;
}

.value-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* --- Contact Form --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info-card {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.contact-info-card h3 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.contact-detail {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.contact-detail svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.contact-detail .label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.125rem;
}

.contact-detail .value {
  font-size: 0.9375rem;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-navy);
  color: rgba(255, 255, 255, 0.6);
  padding: 3rem 0 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-logo span {
  color: var(--color-primary);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.footer-social a svg {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.8125rem;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}