/* ============================================
   Paragon Consulting Services - Modern Stylesheet
   Mobile-first, responsive, SEO-optimized
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --navy: #001845;
  --navy-light: #002366;
  --navy-dark: #000d2b;
  --gold: #c8a951;
  --gold-light: #ddc477;
  --white: #ffffff;
  --off-white: #f8f9fa;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section--gray {
  background-color: var(--gray-50);
}

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

.section--navy h2,
.section--navy h3,
.section--navy h4 {
  color: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 0.75rem auto 0;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.section--navy .section-header p {
  color: var(--gray-300);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.header__logo:hover {
  opacity: 0.85;
}

.header__logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--navy);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list {
  display: flex;
  gap: 0.25rem;
}

.nav__link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--navy);
  background-color: var(--gray-100);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.5rem;
  background: var(--navy);
  color: var(--white) !important;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav__cta:hover {
  background: var(--navy-light);
  color: var(--white) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--navy);
}

.nav__toggle svg {
  width: 24px;
  height: 24px;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: 10rem 0 6rem;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero__badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: rgba(200, 169, 81, 0.15);
  color: var(--gold-light);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 50px;
  border: 1px solid rgba(200, 169, 81, 0.3);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero__title span {
  color: var(--gold);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--gold);
  color: var(--navy-dark);
}

.btn--primary:hover {
  background: var(--gold-light);
  color: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

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

.btn--navy:hover {
  background: var(--navy-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --- Stats Bar --- */
.stats {
  padding: 3rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

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

.stats__item {
  padding: 1rem;
}

.stats__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stats__label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Services Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--gold);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.service-card__text {
  color: var(--gray-600);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__content h2 {
  margin-bottom: 1.5rem;
}

.about__content h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin-top: 0.75rem;
}

.about__content p {
  color: var(--gray-600);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.about__quote {
  position: relative;
  padding: 2rem 2rem 2rem 3rem;
  margin: 2rem 0;
  background: var(--gray-50);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--gray-700);
}

.about__quote cite {
  display: block;
  margin-top: 0.75rem;
  font-style: normal;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.875rem;
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__image-placeholder {
  color: rgba(255, 255, 255, 0.3);
  font-size: 4rem;
}

/* --- Benefits List --- */
.benefits-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.benefits-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
}

.benefits-list__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.benefits-list__icon svg {
  width: 14px;
  height: 14px;
  color: var(--navy-dark);
}

.benefits-list__text {
  font-size: 0.9375rem;
  color: var(--gray-700);
  font-weight: 500;
}

/* --- Technology Section --- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tech-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.tech-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.tech-card__name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.tech-card__desc {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* --- Partners --- */
.partners {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
  padding: 2rem 0;
}

.partner {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-400);
  transition: color var(--transition);
}

.partner:hover {
  color: var(--navy);
}

/* --- President Message --- */
.president {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.president__photo {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-size: 3rem;
}

.president__content h3 {
  margin-bottom: 0.25rem;
}

.president__title {
  color: var(--gold);
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.president__content p {
  color: var(--gray-600);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.president__signature {
  margin-top: 2rem;
  font-weight: 600;
  color: var(--navy);
}

.president__signature em {
  display: block;
  font-weight: 400;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-info__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
}

.contact-info__label {
  font-size: 0.8125rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-size: 1rem;
  color: var(--gray-800);
  font-weight: 500;
}

.contact-info__value a {
  color: var(--navy);
}

.contact-info__value a:hover {
  color: var(--gold);
}

/* --- Contact Form --- */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--font-primary);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--gray-800);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(0, 24, 69, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

.contact-form .btn {
  width: 100%;
  justify-content: center;
  padding: 1rem;
  font-size: 1rem;
}

/* --- Footer --- */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4rem 0 2rem;
}

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

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  text-decoration: none;
}

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

.footer__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
}

.footer h4 {
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--gold);
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Page Hero (for inner pages) --- */
.page-hero {
  padding: 9rem 0 4rem;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
}

.page-hero h1 {
  color: var(--white);
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* --- CTA Section --- */
.cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  text-align: center;
  color: var(--white);
}

.cta h2 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 2.25rem;
}

.cta p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

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

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .section {
    padding: 3.5rem 0;
  }

  /* Mobile nav */
  .nav__toggle {
    display: block;
  }

  .nav__menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: 2rem 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
    overflow-y: auto;
  }

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

  .nav__list {
    flex-direction: column;
    gap: 0.25rem;
  }

  .nav__link {
    padding: 0.875rem 1rem;
    font-size: 1.0625rem;
  }

  .nav__cta {
    margin-top: 1rem;
    justify-content: center;
    width: 100%;
  }

  /* Hero mobile */
  .hero {
    padding: 8rem 0 4rem;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .hero__subtitle {
    font-size: 1.0625rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    justify-content: center;
  }

  /* Stats mobile */
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stats__number {
    font-size: 2rem;
  }

  /* Services mobile */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* About mobile */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .benefits-list {
    grid-template-columns: 1fr;
  }

  /* President mobile */
  .president {
    grid-template-columns: 1fr;
  }

  /* Contact mobile */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer mobile */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  /* Page hero mobile */
  .page-hero {
    padding: 7rem 0 3rem;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  /* Tech grid */
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .partners {
    gap: 2rem;
  }
}

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

  .hero__title {
    font-size: 1.875rem;
  }

  .contact-form {
    padding: 1.5rem;
  }
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Skip to content (accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  z-index: 10000;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
}