/* Alex Lilly — Business Insight & Data Consultant */

@font-face {
  font-family: "Avenir Next LT Pro";
  src: local("Avenir Next LT Pro"),
       local("Avenir Next"),
       local("Avenir");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Avenir Next LT Pro";
  src: local("Avenir Next LT Pro Bold"),
       local("Avenir Next Bold"),
       local("Avenir-Heavy");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-primary: #012d37;
  --color-secondary: #003f4a;
  --color-accent: #11d7e6;
  --color-highlight: #37f0ff;
  --color-neutral: #f7f9fa;
  --color-white: #ffffff;
  --color-text: #1a2e33;
  --color-text-muted: #4a6269;
  --color-border: #d8e2e5;

  --font-family: "Avenir Next LT Pro", "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(1, 45, 55, 0.06);
  --shadow-md: 0 8px 24px rgba(1, 45, 55, 0.1);
  --shadow-lg: 0 16px 48px rgba(1, 45, 55, 0.12);

  --max-width: 1240px;
  --header-height: 82px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-neutral);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-secondary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.25;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

p {
  margin-top: 0;
  margin-bottom: var(--space-sm);
}

ul, ol {
  margin-top: 0;
  margin-bottom: var(--space-sm);
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 1000;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-sm);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 249, 250, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-sm);
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-primary);
  line-height: 1.2;
}

.logo:hover {
  color: var(--color-primary);
}

.logo-name {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.logo-tagline {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-primary);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

$11.0625rem;
  font-weight: 500;
  color: var(--color-text);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-secondary);
}

.site-nav a.active {
  font-weight: 700;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

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

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-highlight);
  border-color: var(--color-highlight);
  color: var(--color-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-secondary);
  border-color: transparent;
  padding-inline: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-ghost:hover {
  color: var(--color-accent);
  transform: none;
}

.site-header .btn {
  padding: 0.85rem 1.725rem;
  font-size: 1.0625rem;
}

/* Hero */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-secondary) 55%, #004a58 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse, rgba(17, 215, 230, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(55, 240, 255, 0.4), transparent);
}

.hero-artwork {
  position: absolute;
  top: 50%;
  right: clamp(-5rem, -3vw, -1rem);
  z-index: 0;
  width: min(54vw, 720px);
  max-height: 82%;
  transform: translateY(-50%);
  opacity: 0.88;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--color-white);
  max-width: none;
  font-size: clamp(2.2rem, 4.95vw, 3.3rem);
  margin-bottom: var(--space-md);
}

.hero-lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 52ch;
  margin-bottom: var(--space-lg);
}

.hero-subheadline {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-highlight);
  max-width: none;
  white-space: nowrap;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero .btn {
  padding: 0.9rem 1.85rem;
  font-size: 1.0625rem;
}

.hero .btn-secondary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.hero .btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

/* Page header (inner pages) */
.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.page-header .subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 60ch;
  margin: 0;
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

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

.section-header {
  margin-bottom: var(--space-lg);
  max-width: 52ch;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.section-label {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: rgba(17, 215, 230, 0.12);
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  margin-bottom: var(--space-sm);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(17, 215, 230, 0.35);
}

.card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

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

.card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.services-card {
  background: #012d37;
  border-color: #012d37;
}

.services-card:hover {
  background: #003f4a;
  border-color: var(--color-accent);
}

.services-card h3 {
  color: #f7f9fa;
}

.services-card p {
  color: #f7f9fa;
}

/* Feature list */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-sm);
}

.feature-list li {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.feature-list li::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 0.55rem;
  background: var(--color-accent);
  border-radius: 50%;
}

.feature-list strong {
  color: var(--color-primary);
}

/* Steps */
.steps {
  display: grid;
  gap: var(--space-md);
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.step h3 {
  margin-bottom: var(--space-xs);
}

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

/* Service detail blocks */
.service-block {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-block:last-child {
  border-bottom: none;
}

.service-block h2 {
  margin-bottom: var(--space-sm);
}

.service-meta {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  background: var(--color-neutral);
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  margin-top: var(--space-sm);
}

.service-block > h3 {
  display: table;
  margin: var(--space-md) 0 var(--space-xs);
  padding: 0.4rem 0.8rem;
  background: rgba(17, 215, 230, 0.12);
  border-radius: 100px;
  color: #11d7e6;
}

/* Example insight charts — horizontal scroll */
.example-charts {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
}

.example-charts h3 {
  margin-bottom: var(--space-sm);
}

.example-charts-scroll {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: var(--space-xs) 0 var(--space-sm);
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--color-accent) var(--color-neutral);
}

.example-charts-scroll::-webkit-scrollbar {
  height: 8px;
}

.example-charts-scroll::-webkit-scrollbar-track {
  background: var(--color-neutral);
  border-radius: 4px;
}

.example-charts-scroll::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 4px;
}

.example-charts-scroll img {
  flex: 0 0 auto;
  height: min(280px, 50vw);
  width: auto;
  max-width: none;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
  background: var(--color-white);
}

/* CTA band */
.cta-band {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  text-align: center;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 68ch;
  margin-inline: auto;
  margin-bottom: var(--space-md);
}

.cta-band .contact-line {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
}

.cta-band .contact-line a {
  color: var(--color-highlight);
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-details {
  display: grid;
  gap: var(--space-md);
}

.contact-item h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact-item a,
.contact-item p {
  margin: 0;
  font-size: 1.0625rem;
}

/* Form */
.form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-neutral);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(17, 215, 230, 0.2);
  background: var(--color-white);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #c0392b;
}

.form-error {
  font-size: 0.8125rem;
  color: #c0392b;
  margin-top: 0.25rem;
  display: none;
}

.form-error.visible {
  display: block;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.form-success {
  display: none;
  padding: var(--space-md);
  background: rgba(17, 215, 230, 0.12);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-weight: 500;
}

.form-success.visible {
  display: block;
}

/* Privacy policy */
.legal-content h2 {
  font-size: 1.375rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content ul {
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand .logo-name {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.footer-brand p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
}

.footer-brand a {
  color: var(--color-highlight);
  text-decoration: none;
}

.footer-brand a:hover {
  color: var(--color-accent);
}

.footer-nav h3 {
  color: var(--color-white);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li + li {
  margin-top: 0.5rem;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.9375rem;
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.8125rem;
}

.footer-note {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-md);
  max-width: 60ch;
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) 0;
}

.error-page h1 {
  font-size: 4rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
    box-shadow: var(--shadow-md);
  }

  .site-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
  }

  .site-nav a:hover {
    background: var(--color-neutral);
  }

  .site-nav .btn {
    margin-top: var(--space-xs);
    width: 100%;
  }

  .hero-artwork {
    display: none;
  }

  .hero-subheadline {
    white-space: normal;
  }

  .header-inner .btn-primary:not(.nav-cta-mobile) {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .step {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) {
  .site-nav .nav-cta-mobile {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}