/* =============================================================
   Data Clairity — Main Stylesheet
   ============================================================= */

/* 1. CSS Custom Properties */
:root {
  --primary: #3991cf;
  --primary-dark: #2d7ab8;
  --primary-light: #4f8bcc;
  --primary-pale: #74a5da;
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --sky-50: #f0f9ff;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --white: #ffffff;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* 2. CSS Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--slate-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }
::selection { background-color: rgba(57, 145, 207, 0.15); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--slate-100); }
::-webkit-scrollbar-thumb { background: var(--slate-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--slate-400); }

/* 3. Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--slate-900); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.125rem; }
p { color: var(--slate-600); }

/* 4. Layout */
.container {
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) { .container { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .container { padding-left: 2rem; padding-right: 2rem; } }

.section { padding-top: 4rem; padding-bottom: 4rem; }
@media (min-width: 768px) { .section { padding-top: 6rem; padding-bottom: 6rem; } }
@media (min-width: 1024px) { .section { padding-top: 4rem; padding-bottom: 8rem; } }

.section--light { background: var(--slate-50); }
.section--dark { background: var(--slate-900); }
.section--gradient { background: linear-gradient(135deg, var(--slate-50) 0%, var(--white) 100%); }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 0.75rem;
}

.section-header { text-align: center; margin-bottom: 4rem; }
.section-header p { margin-top: 1rem; font-size: 1.125rem; max-width: 42rem; margin-left: auto; margin-right: auto; }

/* 5. Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: all 0.3s ease;
  padding: 1.25rem 0;
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.08);
  padding: 0.75rem 0;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo img { height: 2.5rem; width: auto; transition: transform 0.2s ease; }
.header__logo:hover img { transform: scale(1.05); }

.nav { display: none; align-items: center; gap: 2rem; }
@media (min-width: 1024px) { .nav { display: flex; } }

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-600);
  transition: color 0.2s ease;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
}
.nav__link:hover { color: var(--slate-900); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--slate-900); }
.nav__link.active::after { width: 100%; }

.header__cta { display: none; }
@media (min-width: 1024px) { .header__cta { display: flex; align-items: center; gap: 1rem; } }

.hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--slate-600);
  transition: color 0.2s ease;
}
.hamburger:hover { color: var(--slate-900); }
@media (min-width: 1024px) { .hamburger { display: none; } }

.mobile-menu {
  display: none;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.mobile-menu.open { max-height: 32rem; }
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }

.mobile-menu__inner {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--slate-100);
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-menu__link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--slate-600);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}
.mobile-menu__link:hover { color: var(--slate-900); background: var(--slate-50); }
.mobile-menu__footer {
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--slate-100);
}

/* 6. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.5rem;
  transition: all 0.25s ease;
  white-space: nowrap;
  text-decoration: none;
}
.btn--sm { font-size: 0.875rem; padding: 0.5rem 1rem; gap: 0.375rem; }
.btn--lg { font-size: 1.125rem; padding: 1rem 2rem; gap: 0.625rem; }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px 0 rgba(57, 145, 207, 0.25);
}
.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px 0 rgba(57, 145, 207, 0.35);
}

.btn--secondary {
  background: var(--slate-900);
  color: var(--white);
  box-shadow: 0 4px 14px 0 rgba(15, 23, 42, 0.15);
}
.btn--secondary:hover {
  background: var(--slate-800);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px 0 rgba(15, 23, 42, 0.25);
}

.btn--outline {
  background: transparent;
  color: var(--slate-700);
  border: 2px solid var(--slate-200);
}
.btn--outline:hover {
  border-color: var(--slate-900);
  color: var(--slate-900);
  transform: translateY(-1px);
}

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

.btn--white {
  background: var(--white);
  color: var(--primary);
}
.btn--white:hover { background: var(--blue-50); transform: translateY(-1px); }

.btn svg { width: 1.125em; height: 1.125em; flex-shrink: 0; }

/* 7. Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-light);
}
.badge__dot {
  width: 0.5rem; height: 0.5rem;
  background: var(--primary-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* 8. Page Hero */
.page-hero {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 0;
  background: linear-gradient(180deg, var(--slate-50) 0%, var(--white) 100%);
  overflow: hidden;
  text-align: center;
}
.page-hero--left { text-align: left; }
.page-hero__bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.page-hero__label { margin-bottom: 0.75rem; }
.page-hero h1 { margin-bottom: 1.5rem; }
.page-hero p { font-size: 1.125rem; max-width: 42rem; margin: 0 auto; }
.page-hero--left p { margin: 0; max-width: none; }

/* 9. Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-100);
  padding: 2rem;
  transition: all 0.3s ease;
}
.card:hover {
  border-color: var(--blue-100);
  box-shadow: 0 20px 40px -8px rgba(57, 145, 207, 0.08);
}

.card__icon {
  width: 3rem; height: 3rem;
  background: linear-gradient(135deg, var(--blue-50), var(--sky-50));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background 0.2s ease;
  flex-shrink: 0;
}
.card__icon svg { width: 1.5rem; height: 1.5rem; color: var(--primary); stroke: var(--primary); }
.card:hover .card__icon { background: linear-gradient(135deg, var(--blue-100), #bae6fd); }

.card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; transition: color 0.2s ease; }
.card:hover h3 { color: var(--primary); }
.card p { font-size: 0.875rem; line-height: 1.7; }

/* Service grid */
.services-grid { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

/* 10. Home — Hero Section */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--slate-50) 0%, rgba(248,250,252,0.4) 50%, var(--white) 100%);
}
.hero__bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero__blob-1 {
  position: absolute;
  top: 25%; left: 50%;
  transform: translateX(-50%);
  width: 50rem; height: 50rem;
  background: radial-gradient(ellipse, rgba(219,234,254,0.4) 0%, rgba(224,242,254,0.4) 100%);
  border-radius: 50%;
  filter: blur(80px);
}
.hero__blob-2 {
  position: absolute;
  bottom: 0; left: 0;
  width: 24rem; height: 24rem;
  background: rgba(239,246,255,0.5);
  border-radius: 50%;
  filter: blur(80px);
}
.hero__content {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 5rem;
}
.hero__inner { max-width: 56rem; margin: 0 auto; text-align: center; }
.hero__badge { margin-bottom: 2rem; }
.hero__title {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}
.hero__title-highlight {
  position: relative;
  display: inline-block;
}
.hero__title-gradient {
  background: linear-gradient(to right, var(--primary-pale), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__title-underline {
  position: absolute;
  bottom: 0.4em; left: 0; right: 0;
  height: 0.6em;
  background: var(--blue-100);
  z-index: -1;
  border-radius: 0.25rem;
}
.hero__subtitle {
  font-size: 1.125rem;
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  color: var(--slate-600);
}
@media (min-width: 640px) { .hero__subtitle { font-size: 1.25rem; } }
.hero__ctas { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
@media (min-width: 640px) { .hero__ctas { flex-direction: row; justify-content: center; } }
.hero__clients { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--slate-100); }
.hero__clients-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  margin-bottom: 2rem;
}
.hero__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.hero__logo-item {
  width: 12.5rem;
  height: 6.25rem;
  background: rgba(203, 213, 225, 0.4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  overflow: hidden;
}
.hero__logo-item img { width: 100%; height: 100%; object-fit: contain; }

/* Floating icons */
.floating-icon {
  display: none;
  position: absolute;
}
@media (min-width: 1024px) { .floating-icon { display: block; } }
.floating-icon__inner {
  padding: 0.75rem;
  background: var(--white);
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-100);
}
.floating-icon__inner svg { width: 1.5rem; height: 1.5rem; color: var(--primary); stroke: var(--primary); }
.float-1 { animation: float 4s ease-in-out infinite 0s; }
.float-2 { animation: float 4s ease-in-out infinite 0.2s; }
.float-3 { animation: float 4s ease-in-out infinite 0.4s; }
.float-4 { animation: float 4s ease-in-out infinite 0.6s; }

/* 11. Problem/Solution Section */
.problem-grid { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .problem-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .problem-grid { grid-template-columns: repeat(3, 1fr); } }

.problem-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-100);
  transition: all 0.3s ease;
}
.problem-card:hover { box-shadow: var(--shadow-lg); border-color: var(--slate-200); }

.problem-card__pain { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 1rem; }
.problem-card__icon-bad {
  padding: 0.375rem;
  background: #fef2f2;
  border-radius: 0.5rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}
.problem-card__icon-bad svg { width: 1rem; height: 1rem; color: #ef4444; stroke: #ef4444; }
.problem-card__pain p { font-size: 0.875rem; line-height: 1.6; color: var(--slate-600); }

.problem-card__arrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0;
  padding-left: 0.75rem;
}
.problem-card__arrow-line { flex: 1; height: 1px; background: linear-gradient(to right, var(--slate-200), transparent); }
.problem-card__arrow svg { width: 1rem; height: 1rem; color: var(--primary); stroke: var(--primary); }
.problem-card__arrow-line-rev { flex: 1; height: 1px; background: linear-gradient(to left, var(--slate-200), transparent); }

.problem-card__outcome { display: flex; align-items: flex-start; gap: 0.75rem; }
.problem-card__icon-good {
  padding: 0.375rem;
  background: var(--blue-50);
  border-radius: 0.5rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}
.problem-card__icon-good svg { width: 1rem; height: 1rem; color: var(--primary); stroke: var(--primary); }
.problem-card__outcome p { font-size: 0.875rem; line-height: 1.6; color: var(--slate-900); font-weight: 500; }

/* 12. How It Works */
.steps-grid {
  display: grid;
  gap: 2rem;
  position: relative;
}
@media (min-width: 640px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
  .steps-grid::before {
    content: '';
    position: absolute;
    top: 5.5rem;
    left: 12.5%;
    right: 12.5%;
    height: 1px;
    background: linear-gradient(to right, #bfdbfe, #93c5fd, #bfdbfe);
    pointer-events: none;
  }
}

.step { text-align: center; }
.step__number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.step__icon {
  width: 4rem; height: 4rem;
  background: var(--white);
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.step__icon svg { width: 1.75rem; height: 1.75rem; color: var(--primary); stroke: var(--primary); }
.step h3 { margin-top: 1.5rem; font-size: 1.125rem; }
.step p { margin-top: 0.5rem; font-size: 0.875rem; line-height: 1.7; max-width: 18rem; margin-left: auto; margin-right: auto; }

/* 13. Testimonials */
.testimonials-grid { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .testimonials-grid { grid-template-columns: repeat(3, 1fr); } }

.testimonial-card {
  background: rgba(30, 41, 59, 0.5);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid rgba(51, 65, 85, 0.5);
}
.testimonial-card__stars { display: flex; gap: 0.25rem; margin-bottom: 1rem; }
.testimonial-card__stars svg { width: 1rem; height: 1rem; fill: var(--primary-light); color: var(--primary-light); stroke: var(--primary-light); }
.testimonial-card__quote { color: var(--slate-300); line-height: 1.7; margin-bottom: 1.5rem; }
.testimonial-card__divider { height: 1px; background: rgba(51,65,85,0.5); margin-bottom: 1rem; }
.testimonial-card__author { font-weight: 600; color: var(--white); }
.testimonial-card__role { font-size: 0.875rem; color: var(--slate-400); }
.testimonial-card__org { font-size: 0.875rem; color: var(--primary-light); }
.testimonial-card__icon { margin-bottom: 1rem; color: rgba(79,139,204,0.3); }
.testimonial-card__icon svg { width: 2.5rem; height: 2.5rem; stroke: rgba(79,139,204,0.3); }

/* 14. CTA Section */
.cta-section {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
}
@media (min-width: 1024px) { .cta-section { padding: 8rem 0; } }
.cta-section__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='grid' width='60' height='60' patternUnits='userSpaceOnUse'%3E%3Cpath d='M 10 0 L 0 0 0 10' fill='none' stroke='white' stroke-opacity='0.05' stroke-width='1'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100%25' height='100%25' fill='url(%23grid)'/%3E%3C/svg%3E");
}
.cta-section__inner { position: relative; text-align: center; max-width: 48rem; margin: 0 auto; }
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 2rem;
}
.cta-badge svg { width: 1rem; height: 1rem; stroke: white; }
.cta-section h2 { color: var(--white); font-size: clamp(1.75rem, 4vw, 3rem); margin-bottom: 1.5rem; }
.cta-section p { color: rgba(219,234,254,1); font-size: 1.125rem; margin-bottom: 2.5rem; max-width: 36rem; margin-left: auto; margin-right: auto; }
.cta-section__btns { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
@media (min-width: 640px) { .cta-section__btns { flex-direction: row; justify-content: center; } }

/* 15. Footer */
.footer { background: var(--slate-900); color: var(--white); }
.footer__main {
  padding: 4rem 0 5rem;
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .footer__main { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__main { grid-template-columns: 1fr 1fr 1fr 1fr; gap: 3rem; } }

.footer__brand p {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--slate-400);
  line-height: 1.7;
}
.footer__email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  transition: color 0.2s ease;
}
.footer__email:hover { color: var(--primary-dark); }
.footer__email svg { width: 1rem; height: 1rem; stroke: currentColor; }

.footer__col-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-400);
  margin-bottom: 1rem;
}
.footer__links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__link {
  font-size: 0.875rem;
  color: var(--slate-300);
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.footer__link:hover { color: var(--white); }
.footer__link svg { width: 0.75rem; height: 0.75rem; opacity: 0; transition: all 0.2s ease; stroke: currentColor; transform: translateX(-0.25rem); }
.footer__link:hover svg { opacity: 1; transform: translateX(0); }

.footer__cta-box {
  background: rgba(30,41,59,0.5);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.footer__cta-box h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.footer__cta-box p { font-size: 0.875rem; color: var(--slate-400); margin-bottom: 1rem; }

.footer__bottom {
  padding: 2rem 0;
  border-top: 1px solid rgba(30,41,59,1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}
.footer__copy {
  font-size: 0.75rem;
  color: var(--slate-500);
  line-height: 1.6;
}
.footer__copy a { color: var(--primary); transition: color 0.2s ease; }
.footer__copy a:hover { color: var(--primary-dark); }
.footer__legal { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem; }
.footer__legal a { font-size: 0.875rem; color: var(--slate-500); transition: color 0.2s ease; }
.footer__legal a:hover { color: var(--slate-300); }
.footer__legal span { color: var(--slate-700); font-size: 0.875rem; }

/* 16. About Page */
.about-hero-text p { color: var(--slate-600); line-height: 1.8; margin-top: 1.5rem; max-width: 85%; }
.about-hero-text strong { color: var(--slate-900); }

.mission-grid {
  display: grid;
  gap: 4rem;
  align-items: center;
}
@media (min-width: 1024px) { .mission-grid { grid-template-columns: repeat(2, 1fr); } }

.mission-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.mission-image__photo {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.mission-image__photo img { width: 100%; height: 100%; object-fit: cover; }
.mission-image__badge {
  position: absolute;
  bottom: -1.5rem; left: -1.5rem;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--slate-100);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.mission-image__badge-icon {
  width: 2.5rem; height: 2.5rem;
  background: var(--blue-100);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mission-image__badge-icon svg { width: 1.25rem; height: 1.25rem; stroke: var(--primary); }
.mission-image__badge p:first-child { font-weight: 600; color: var(--slate-900); font-size: 0.875rem; }
.mission-image__badge p:last-child { font-size: 0.75rem; color: var(--slate-500); }

.stats-grid { display: grid; gap: 2rem; }
@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

.stat-item { text-align: center; }
.stat-item__value { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 700; color: var(--primary); line-height: 1; }
.stat-item__label { margin-top: 0.5rem; color: var(--slate-400); }

.values-grid { display: grid; gap: 2rem; }
@media (min-width: 640px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }

.value-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--slate-50);
  border-radius: var(--radius-lg);
}
.value-card__icon {
  width: 3rem; height: 3rem;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.value-card__icon svg { width: 1.5rem; height: 1.5rem; stroke: var(--primary); }
.value-card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.value-card p { font-size: 0.875rem; line-height: 1.7; }

/* 17. Case Studies */
.case-studies-grid { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .case-studies-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; } }

.case-study-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--slate-100);
  transition: all 0.3s ease;
}
.case-study-card:hover { border-color: var(--blue-100); box-shadow: 0 20px 40px -8px rgba(57,145,207,0.1); }
.case-study-card__image { position: relative; height: 14rem; overflow: hidden; }
.case-study-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.case-study-card:hover .case-study-card__image img { transform: scale(1.05); }
.case-study-card__category {
  position: absolute;
  top: 1rem; left: 1rem;
  padding: 0.375rem 0.75rem;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate-700);
}
.case-study-card__body { padding: 2rem; }
.case-study-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; transition: color 0.2s ease; }
.case-study-card:hover h3 { color: var(--primary); }
.case-study-card p { font-size: 0.9375rem; line-height: 1.7; }
.case-study-card__results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.result-stat { text-align: center; padding: 0.75rem; background: var(--slate-50); border-radius: var(--radius-md); }
.result-stat__value { font-size: 1.125rem; font-weight: 700; color: var(--primary); }
.result-stat__label { font-size: 0.75rem; color: var(--slate-500); margin-top: 0.25rem; }

/* 18. Pricing */
.pricing-grid { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--slate-100);
  position: relative;
  transition: all 0.3s ease;
}
.pricing-card:not(.pricing-card--featured):hover { border-color: var(--slate-200); box-shadow: var(--shadow-lg); }
.pricing-card--featured {
  border-color: #bfdbfe;
  box-shadow: 0 20px 40px -8px rgba(79,139,204,0.12);
  outline: 2px solid var(--primary-light);
  outline-offset: -1px;
}
.pricing-card__badge {
  position: absolute;
  top: -1rem; left: 50%;
  transform: translateX(-50%);
  padding: 0.375rem 1rem;
  background: var(--primary-light);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pricing-card__header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.pricing-card__icon {
  width: 2.5rem; height: 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate-100);
}
.pricing-card--featured .pricing-card__icon { background: var(--blue-100); }
.pricing-card__icon svg { width: 1.25rem; height: 1.25rem; stroke: var(--slate-600); }
.pricing-card--featured .pricing-card__icon svg { stroke: var(--primary-light); }
.pricing-card__name { font-size: 1.25rem; font-weight: 700; color: var(--slate-900); }
.pricing-card__desc { font-size: 0.875rem; color: var(--slate-600); margin-bottom: 1.5rem; }
.pricing-card__price { margin-bottom: 1.5rem; }
.pricing-card__price-amount { font-size: 1.875rem; font-weight: 700; color: var(--slate-900); }
.pricing-card__price-note { font-size: 0.875rem; color: var(--slate-500); margin-left: 0.5rem; }
.pricing-card__features { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.5rem; }
.pricing-feature { display: flex; align-items: flex-start; gap: 0.75rem; }
.pricing-feature svg { width: 1.25rem; height: 1.25rem; stroke: var(--primary-light); flex-shrink: 0; margin-top: 0.125rem; }
.pricing-feature span { font-size: 0.875rem; color: var(--slate-700); }
.pricing-card__examples { padding-top: 1.5rem; border-top: 1px solid var(--slate-100); }
.pricing-card__examples-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  margin-bottom: 0.75rem;
}
.pricing-card__examples ul { display: flex; flex-direction: column; gap: 0.5rem; }
.pricing-card__examples li { font-size: 0.875rem; color: var(--slate-600); }
.pricing-card__examples li::before { content: '• '; }

.pricing-faq { max-width: 48rem; margin: 0 auto; }
.pricing-faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--slate-100);
  margin-bottom: 1rem;
}
.pricing-faq-item h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.pricing-faq-item p { font-size: 0.875rem; line-height: 1.7; }

/* 19. FAQ */
.faq-search {
  max-width: 36rem;
  margin: 2rem auto 0;
  position: relative;
}
.faq-search__icon {
  position: absolute;
  left: 1rem; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.faq-search__icon svg { width: 1.25rem; height: 1.25rem; stroke: var(--slate-400); }
.faq-search input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
  background: var(--white);
  color: var(--slate-900);
}
.faq-search input:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(79,139,204,0.15); }

.faq-content { max-width: 48rem; margin: 0 auto; }
.faq-category { margin-bottom: 3rem; }
.faq-category h2 { font-size: 1.25rem; margin-bottom: 1.5rem; }

.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s ease;
}
.faq-item:hover { border-color: var(--slate-200); }
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  gap: 2rem;
}
.faq-item__question span { font-weight: 500; color: var(--slate-900); font-size: 0.9375rem; line-height: 1.5; }
.faq-item__chevron {
  flex-shrink: 0;
  width: 1.25rem; height: 1.25rem;
  stroke: var(--slate-400);
  transition: transform 0.2s ease;
}
.faq-item.open .faq-item__chevron { transform: rotate(180deg); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-item__answer { max-height: 20rem; }
.faq-item__answer-inner { padding: 0 1.25rem 1.25rem; color: var(--slate-600); line-height: 1.7; font-size: 0.9375rem; }
.faq-no-results { text-align: center; padding: 3rem; color: var(--slate-500); }

/* 20. Contact */
.contact-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 2fr 3fr; gap: 4rem; } }

.contact-sticky { position: sticky; top: 8rem; }
.contact-benefits { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact-benefit { display: flex; align-items: center; gap: 0.75rem; }
.contact-benefit__icon {
  width: 2.5rem; height: 2.5rem;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-benefit__icon svg { width: 1.25rem; height: 1.25rem; stroke: var(--primary); }
.contact-benefit span { color: var(--slate-700); }

.contact-info-box {
  background: var(--slate-50);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.contact-info-box h3 { font-size: 1rem; margin-bottom: 0.75rem; }
.contact-info-box a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}
.contact-info-box a:hover { color: var(--primary-dark); }
.contact-info-box a svg { width: 1rem; height: 1rem; stroke: currentColor; }
.contact-info-box__location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--slate-500);
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--slate-200);
}
.contact-info-box__location svg { width: 1rem; height: 1rem; stroke: currentColor; }

.contact-form-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-100);
  padding: 2rem;
}
@media (min-width: 1024px) { .contact-form-box { padding: 3rem; } }
.contact-form-box h2 { font-size: 1.875rem; margin-bottom: 1rem; }
.contact-form-box p { font-size: 0.9375rem; line-height: 1.7; margin-bottom: 1rem; }

/* 21. Privacy Policy */
.privacy-content { max-width: 48rem; }
.privacy-intro { color: var(--slate-600); line-height: 1.8; margin-bottom: 3rem; }
.privacy-section { margin-bottom: 2.5rem; }
.privacy-section h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.privacy-section p {
  color: var(--slate-600);
  line-height: 1.8;
  white-space: pre-line;
}

/* 22. Scroll animations */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* 23. Keyframes */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes float {
  0%, 100% { transform: translateY(-5px); }
  50% { transform: translateY(5px); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 24. Utility */
.text-center { text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hidden { display: none !important; }
