/* ========================================================================
   Variables
   ======================================================================== */

:root {
  /* Colors */
  --color-background: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #10131a;
  --color-text-muted: #6b7280;

  --color-primary: #0b3c78; /* deep, authoritative blue */
  --color-primary-soft: #e4edf7;
  --color-primary-hover: #0f4c96;

  --color-success: #0f766e;
  --color-warning: #b45309;
  --color-danger: #b91c1c;

  --color-border-subtle: #d1d5db;
  --color-border-strong: #9ca3af;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px – for slightly elevated body */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 320ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-normal: 0ms;
    --transition-slow: 0ms;
  }
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
}

h1,
 h2,
 h3,
 h4,
 h5,
 h6,
 p,
 figure,
 blockquote,
 dl,
 dd {
  margin: 0;
}

ul,
 ol {
  margin: 0;
  padding: 0;
}

img,
 picture,
 video,
 canvas,
 svg {
  display: block;
  max-width: 100%;
}

input,
 button,
 textarea,
 select {
  font: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

/* Remove default link underlines; will be styled in Base */
 a {
  text-decoration: none;
  color: inherit;
}

/* Ensure tables don't have inconsistent spacing */
 table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ========================================================================
   Base Styles
   ======================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  background-color: var(--color-background);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: 60vh;
}

h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
  color: var(--color-text-muted);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 600;
}

small {
  font-size: var(--font-size-sm);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast),
    text-decoration-color var(--transition-fast);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

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

code {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.95em;
  background-color: var(--color-gray-100);
  padding: 0.1em 0.3em;
  border-radius: var(--radius-sm);
}

hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

/* ========================================================================
   Accessibility & Focus
   ======================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Respect reduced motion */

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Screen reader only */

.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;
}

/* ========================================================================
   Utilities
   ======================================================================== */

/* Layout containers */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

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

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

/* Flex utilities */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

.flex-column {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-sm {
  gap: var(--space-3);
}

.gap-md {
  gap: var(--space-4);
}

.gap-lg {
  gap: var(--space-6);
}

/* Grid utilities */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Text alignment */

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

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

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

/* Spacing helpers (a few generic ones; extend in component CSS as needed) */

.mt-0 {
  margin-top: 0 !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-sm {
  margin-bottom: var(--space-3) !important;
}

.mb-md {
  margin-bottom: var(--space-6) !important;
}

.mb-lg {
  margin-bottom: var(--space-10) !important;
}

.pt-lg {
  padding-top: var(--space-10) !important;
}

.pb-lg {
  padding-bottom: var(--space-10) !important;
}

/* Width utilities */

.w-100 {
  width: 100%;
}

.max-w-sm {
  max-width: 24rem;
}

.max-w-md {
  max-width: 32rem;
}

.max-w-lg {
  max-width: 48rem;
}

/* ========================================================================
   Components
   ======================================================================== */

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.button--primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.button--primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.button--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: rgba(11, 60, 120, 0.5);
  background-image: linear-gradient(
    to right,
    rgba(11, 60, 120, 0.04),
    rgba(11, 60, 120, 0.02)
  );
}

.button--outline:hover {
  background-color: rgba(11, 60, 120, 0.06);
  border-color: var(--color-primary);
}

.button--ghost {
  background-color: transparent;
  color: var(--color-text);
}

.button--ghost:hover {
  background-color: var(--color-gray-100);
}

.button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

.button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Inputs */

.input,
 textarea,
 select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.input::placeholder,
 textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus-visible,
 textarea:focus-visible,
 select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft),
    0 0 0 3px rgba(11, 60, 120, 0.15);
}

.input[aria-invalid="true"],
 textarea[aria-invalid="true"],
 select[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.input:disabled,
 textarea:disabled,
 select:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
}

.label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--color-gray-800);
}

.form-field {
  margin-bottom: var(--space-4);
}

.form-helper {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* Card */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  transition: box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal);
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(11, 60, 120, 0.18);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

/* Tag / Pill (for SIC code, sectors, etc.) */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* Header / Navigation helpers (structure only; further styling can extend) */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(245, 247, 250, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 0.15rem;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0b3c78, #2563eb);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-gray-900);
}

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

.nav-link--active {
  color: var(--color-gray-900);
}

/* Hero utility for top section */

.hero {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

@media (max-width: 767px) {
  .hero {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

.hero-eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.hero-lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 36rem;
}

/* Testimonials snippet */

.testimonial {
  font-style: italic;
  color: var(--color-gray-700);
}

.testimonial-author {
  margin-top: var(--space-3);
  font-weight: 500;
  color: var(--color-gray-900);
}

.testimonial-role {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Footer */

.site-footer {
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
  background-color: #0b1220;
  color: #e5e7eb;
}

.site-footer a {
  color: inherit;
}

.site-footer a:hover {
  color: #ffffff;
}

.site-footer-meta {
  font-size: var(--font-size-xs);
  color: #9ca3af;
  margin-top: var(--space-4);
}

/* End of base.css */