/* ============================================================
   NorthSite Web — global styles
   Tokens first, then base elements, components, page sections.
   ============================================================ */

:root {
  /* Brand color tokens (from logo: deep navy + compass blue) */
  --color-navy-900: #101d31;
  --color-navy-800: #16283f;
  --color-navy-700: #1d3350;
  --color-blue-600: #2264a5;
  --color-blue-500: #2a76c2;
  --color-blue-100: #dcebf8;
  --color-blue-50: #eef5fb;
  --color-slate-700: #3d4a5c;
  --color-slate-500: #5c6b7f;
  --color-border: #d8e0e9;
  --color-surface: #ffffff;
  --color-surface-alt: #f4f7fa;
  --color-text: #22303f;

  /* Typography scale */
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: clamp(2rem, 5vw, 2.75rem);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;

  --radius: 10px;
  --shadow-card: 0 2px 10px rgba(16, 29, 49, 0.08);
  --container-max: 1280px;
}

/* ---------- Base ---------- */

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
}

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

h1,
h2,
h3 {
  color: var(--color-navy-800);
  line-height: 1.2;
  margin: 0 0 var(--space-4);
}

h1 {
  font-size: var(--text-3xl);
}

h2 {
  font-size: var(--text-2xl);
}

h3 {
  font-size: var(--text-xl);
}

p {
  margin: 0 0 var(--space-4);
}

ul {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

a {
  color: var(--color-blue-600);
}

a:hover {
  color: var(--color-blue-500);
}

:focus-visible {
  outline: 3px solid var(--color-blue-500);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-navy-800);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 100;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

/* ---------- Buttons ---------- */

.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  min-height: 44px;
  cursor: pointer;
  font-size: var(--text-base);
}

.button--primary {
  background: var(--color-blue-600);
  color: #fff;
}

.button--primary:hover {
  background: var(--color-blue-500);
  color: #fff;
}

.button--outline {
  border-color: var(--color-blue-600);
  color: var(--color-blue-600);
  background: transparent;
}

.button--outline:hover {
  background: var(--color-blue-50);
}

.button--light {
  background: #fff;
  color: var(--color-navy-800);
}

.button--light:hover {
  background: var(--color-blue-100);
  color: var(--color-navy-900);
}

.button--ghost-light {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.button--ghost-light:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.text-link {
  font-weight: 600;
}

/* ---------- Header & navigation ---------- */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
  flex-wrap: wrap;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-navy-800);
  font-weight: 700;
  font-size: var(--text-lg);
  padding-block: var(--space-2);
}

.site-brand__accent {
  color: var(--color-blue-600);
}

.nav-toggle {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: 600;
  color: var(--color-navy-800);
  cursor: pointer;
  min-height: 44px;
}

.site-nav {
  display: none;
  width: 100%;
}

.site-nav.is-open {
  display: block;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-nav__list a:not(.button) {
  display: block;
  padding: var(--space-2) 0;
  text-decoration: none;
  color: var(--color-navy-800);
  font-weight: 500;
}

.site-nav__list a[aria-current="page"] {
  color: var(--color-blue-600);
  font-weight: 700;
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
    width: auto;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
    padding: 0;
  }
}

/* ---------- Hero ---------- */

.hero {
  background:
    linear-gradient(135deg, var(--color-navy-900) 0%, var(--color-navy-700) 60%, var(--color-blue-600) 100%);
  color: #fff;
  padding-block: var(--space-7);
}

.hero h1 {
  color: #fff;
  max-width: 22ch;
}

.hero__lead {
  font-size: var(--text-lg);
  max-width: 55ch;
  color: var(--color-blue-100);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.hero--page {
  padding-block: var(--space-6);
}

@media (min-width: 900px) {
  .hero {
    padding-block: var(--space-8);
  }
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--space-7);
}

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

.section__intro {
  max-width: 65ch;
}

.section__intro--center {
  margin-inline: auto;
  text-align: center;
}

/* ---------- Card grids ---------- */

.card-grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-6);
}

@media (min-width: 700px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1080px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}

.service-card h3 {
  margin-bottom: var(--space-2);
}

.service-card p {
  color: var(--color-slate-700);
}

/* ---------- Pricing cards ---------- */

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.pricing-card--featured {
  border: 2px solid var(--color-blue-600);
}

.pricing-card__flag {
  align-self: flex-start;
  background: var(--color-blue-600);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: 999px;
  padding: 0.15rem 0.75rem;
  margin-bottom: var(--space-3);
}

.pricing-card__name {
  margin-bottom: var(--space-1);
}

.pricing-card__scope {
  color: var(--color-slate-500);
  margin-bottom: var(--space-3);
}

.pricing-card__price {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy-800);
  margin-bottom: var(--space-3);
}

.pricing-card__billing {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-slate-500);
}

.pricing-card__summary {
  color: var(--color-slate-700);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
  flex-grow: 1;
}

.pricing-card__features li {
  padding: var(--space-1) 0 var(--space-1) 1.5rem;
  position: relative;
}

.pricing-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.9em;
  height: 0.45em;
  border-left: 2.5px solid var(--color-blue-600);
  border-bottom: 2.5px solid var(--color-blue-600);
  transform: rotate(-45deg);
}

/* ---------- Price tables ---------- */

.price-table-wrap {
  overflow-x: auto;
  margin-top: var(--space-5);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.price-table th,
.price-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.price-table th {
  background: var(--color-navy-800);
  color: #fff;
  font-weight: 600;
}

.price-table tr:last-child td {
  border-bottom: none;
}

.price-table__note {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-slate-500);
}

/* ---------- Steps ---------- */

.steps {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0 0;
  display: grid;
  gap: var(--space-5);
  counter-reset: step;
}

@media (min-width: 900px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.steps li {
  counter-increment: step;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
}

.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--color-blue-600);
  color: #fff;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.steps h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.steps p {
  margin: 0;
  color: var(--color-slate-700);
}

/* ---------- FAQ ---------- */

.faq {
  max-width: 800px;
  margin-top: var(--space-5);
}

.faq details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-3);
}

.faq summary {
  font-weight: 600;
  color: var(--color-navy-800);
  cursor: pointer;
  padding-block: var(--space-1);
}

.faq details p {
  margin: var(--space-3) 0 0;
  color: var(--color-slate-700);
}

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--color-navy-800);
  color: #fff;
  padding-block: var(--space-7);
  text-align: center;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  color: var(--color-blue-100);
  max-width: 55ch;
  margin-inline: auto;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-5);
}

/* ---------- Forms ---------- */

.form {
  max-width: 640px;
  display: grid;
  gap: var(--space-4);
}

.form__field {
  display: grid;
  gap: var(--space-1);
}

.form label {
  font-weight: 600;
  color: var(--color-navy-800);
}

.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
}

.form textarea {
  min-height: 8rem;
  resize: vertical;
}

.form__hint {
  font-size: var(--text-sm);
  color: var(--color-slate-500);
  margin: 0;
}

.form__status {
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  margin: 0;
}

.form__status--success {
  background: #e5f4e8;
  border: 1px solid #9fd3ab;
  color: #1d5c2c;
}

.form__status--error {
  background: #fdecec;
  border: 1px solid #f0b3b3;
  color: #8f1f1f;
}

.form__status[hidden] {
  display: none;
}

/* honeypot field — hidden from humans, present for bots */
.form__extra {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-5);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 2fr 1fr;
  }
}

.contact-aside {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  align-self: start;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-navy-900);
  color: var(--color-blue-100);
  padding-block: var(--space-6) var(--space-4);
  margin-top: 0;
}

.site-footer a {
  color: #fff;
}

.site-footer__inner {
  display: grid;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
}

@media (min-width: 700px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

.site-footer__name {
  font-weight: 700;
  font-size: var(--text-lg);
  color: #fff;
  margin-bottom: var(--space-1);
}

.site-footer__nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

@media (min-width: 700px) {
  .site-footer__nav ul {
    grid-template-columns: 1fr 1fr;
  }
}

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-4);
  font-size: var(--text-sm);
}

.site-footer__legal p {
  margin: 0;
}

/* ---------- Utility ---------- */

.disclaimer {
  font-size: var(--text-sm);
  color: var(--color-slate-500);
  max-width: 70ch;
}

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}