/* Aptos ships with recent Windows / Microsoft 365; fallbacks keep the look professional elsewhere */
:root {
  --colour-white: #ffffff;
  --colour-off-white: #f5f8fc;
  --colour-blue: #0b4f8c;
  --colour-blue-dark: #063a66;
  --colour-blue-light: #e8f1fa;
  --colour-text: #1a2d3d;
  --colour-text-muted: #4a5f73;
  --font-stack: Aptos, "Segoe UI", Calibri, "Helvetica Neue", Arial, sans-serif;
  --shadow-soft: 0 12px 40px rgba(11, 79, 140, 0.08);
  --radius: 10px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--colour-text);
  background: var(--colour-white);
}

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

a {
  color: var(--colour-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

.container.narrow {
  width: min(720px, 100% - 2.5rem);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--colour-white);
  border-bottom: 1px solid var(--colour-blue-light);
  box-shadow: 0 1px 0 rgba(11, 79, 140, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
  min-height: var(--header-height);
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--colour-blue);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  font-weight: 500;
  color: var(--colour-text);
}

.logo:hover {
  color: var(--colour-blue-dark);
}

.logo:hover span {
  color: var(--colour-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--colour-blue);
  border-radius: 1px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2rem;
}

.site-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--colour-text);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--colour-blue);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--colour-blue-light) 0%, var(--colour-white) 55%, var(--colour-off-white) 100%);
  padding: clamp(3rem, 8vw, 5.5rem) 1.25rem;
  border-bottom: 1px solid var(--colour-blue-light);
}

.hero-content {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.hero-tag {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--colour-blue);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4.5vw, 2.65rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--colour-blue-dark);
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--colour-text-muted);
  max-width: 36ch;
  margin-inline: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn-primary:hover {
  background: var(--colour-blue-dark);
  border-color: var(--colour-blue-dark);
  color: var(--colour-white);
}

.btn-full {
  width: 100%;
}

/* Sections */
.section {
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.about {
  background: var(--colour-white);
}

.about h2 {
  margin: 0 0 1rem;
  font-size: 1.65rem;
  color: var(--colour-blue-dark);
}

.about p {
  margin: 0;
  color: var(--colour-text-muted);
}

.services {
  background: var(--colour-off-white);
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.65rem, 3vw, 2rem);
  text-align: center;
  color: var(--colour-blue-dark);
}

.section-intro {
  margin: 0 auto 3rem;
  max-width: 52ch;
  text-align: center;
  color: var(--colour-text-muted);
}

.service-block {
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.service-block:last-child {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .service-block {
    grid-template-columns: 1fr 1.05fr;
    gap: 3rem;
  }

  .service-block--alt .service-text {
    order: 2;
  }

  .service-block--alt .service-media {
    order: 1;
  }
}

.service-text h3 {
  margin: 0 0 0.75rem;
  font-size: 1.45rem;
  color: var(--colour-blue);
}

.service-text p {
  margin: 0 0 1rem;
  color: var(--colour-text-muted);
}

.service-text ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--colour-text-muted);
}

.service-text li {
  margin-bottom: 0.35rem;
}

.service-media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(11, 79, 140, 0.12);
}

.service-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* FAQ */
.faq {
  background: var(--colour-white);
  border-top: 1px solid var(--colour-blue-light);
}

.faq .section-intro {
  margin-bottom: 2rem;
}

.faq .section-intro a {
  font-weight: 600;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.faq-item {
  border: 1px solid rgba(11, 79, 140, 0.18);
  border-radius: var(--radius);
  background: var(--colour-off-white);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--colour-blue-dark);
  padding: 1rem 2.75rem 1rem 1.15rem;
  list-style: none;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 1.15rem;
  top: 50%;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--colour-blue);
  border-bottom: 2px solid var(--colour-blue);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: translateY(-25%) rotate(-135deg);
}

.faq-item summary:focus {
  outline: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--colour-blue);
  outline-offset: 2px;
}

.faq-item p {
  margin: 0;
  padding: 0 1.15rem 1.15rem;
  color: var(--colour-text-muted);
  border-top: 1px solid rgba(11, 79, 140, 0.1);
  padding-top: 0.85rem;
}

.faq-item p a {
  font-weight: 600;
}

/* Blog page */
.blog-page {
  padding-bottom: 0;
}

.blog-hero {
  background: linear-gradient(135deg, var(--colour-blue-light) 0%, var(--colour-white) 55%, var(--colour-off-white) 100%);
  padding: clamp(2rem, 5vw, 3.25rem) 1.25rem;
  border-bottom: 1px solid var(--colour-blue-light);
}

.blog-hero-tag {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--colour-text-muted);
}

.blog-hero-tag a {
  font-weight: 600;
  text-decoration: none;
}

.blog-hero-tag a:hover {
  text-decoration: underline;
}

.blog-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  color: var(--colour-blue-dark);
  letter-spacing: -0.02em;
}

.blog-hero-lead {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--colour-text-muted);
  max-width: 52ch;
}

.blog-list-section {
  background: var(--colour-white);
  padding-top: clamp(2rem, 4vw, 3rem);
}

.blog-toc {
  margin-bottom: 2.5rem;
  padding: 1.25rem 1.35rem;
  background: var(--colour-off-white);
  border: 1px solid rgba(11, 79, 140, 0.15);
  border-radius: var(--radius);
}

.blog-toc-title {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--colour-blue);
}

.blog-toc ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--colour-text-muted);
}

.blog-toc li {
  margin-bottom: 0.4rem;
}

.blog-toc a {
  font-weight: 600;
  text-decoration: none;
}

.blog-toc a:hover {
  text-decoration: underline;
}

.blog-post {
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--colour-blue-light);
}

.blog-post:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.blog-post-header {
  margin-bottom: 1rem;
}

.blog-post-date {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--colour-blue);
  margin-bottom: 0.35rem;
}

.blog-post h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  color: var(--colour-blue-dark);
  line-height: 1.25;
}

.blog-post p {
  margin: 0 0 1rem;
  color: var(--colour-text-muted);
}

.blog-post p:last-child {
  margin-bottom: 0;
}

.blog-post a {
  font-weight: 600;
}

.blog-cta {
  margin: 2rem 0 0;
  text-align: center;
}

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

/* Contact */
.contact {
  background: var(--colour-white);
  border-top: 1px solid var(--colour-blue-light);
}

.contact-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 3.5rem;
    align-items: start;
  }
}

.contact-copy h2 {
  margin: 0 0 0.75rem;
  font-size: 1.65rem;
  color: var(--colour-blue-dark);
}

.contact-copy p {
  margin: 0 0 1rem;
  color: var(--colour-text-muted);
}

.contact-email {
  font-size: 1.125rem;
  font-weight: 600;
}

.contact-email a {
  text-decoration: none;
}

.contact-email a:hover {
  text-decoration: underline;
}

.contact-form-wrap {
  position: relative;
  background: var(--colour-blue-light);
  padding: clamp(1.5rem, 4vw, 2rem);
  border-radius: var(--radius);
  border: 1px solid rgba(11, 79, 140, 0.15);
}

.contact-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--colour-blue-dark);
}

.optional {
  font-weight: 400;
  color: var(--colour-text-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid rgba(11, 79, 140, 0.25);
  border-radius: 8px;
  background: var(--colour-white);
  color: var(--colour-text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--colour-blue);
  outline-offset: 2px;
  border-color: var(--colour-blue);
}

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

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Footer */
.site-footer {
  background: var(--colour-blue-dark);
  color: rgba(255, 255, 255, 0.88);
  padding: 2rem 0;
  text-align: center;
}

.footer-inner p {
  margin: 0.35rem 0;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.05rem;
}

.footer-meta,
.footer-copy {
  font-size: 0.9rem;
  opacity: 0.9;
}

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

/* Mobile nav */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--colour-white);
    border-bottom: 1px solid var(--colour-blue-light);
    padding: 1rem 1.25rem 1.25rem;
    box-shadow: var(--shadow-soft);
    display: none;
  }

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

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav li {
    border-bottom: 1px solid var(--colour-blue-light);
  }

  .site-nav li:last-child {
    border-bottom: 0;
  }

  .site-nav a {
    display: block;
    padding: 0.85rem 0;
  }
}