/* ==========================================================================
   fA consultancy & technology — styles
   ========================================================================== */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk.woff2") format("woff2");
}

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-bold.woff2") format("woff2");
}

/* -------------------------------------------------------------------------- */
/* Tokens                                                                     */
/* -------------------------------------------------------------------------- */

:root {
  --navy: #072446;
  --teal: #3bccbe;
  --orange: #ffa626;
  --teal-dark: #008089;
  --teal-darker: #055d6b;
  --teal-bright: #00b0a6;
  --white: #ffffff;
  --black: #0a0a0a;
  --gray-50: #f4f8fa;
  --gray-100: #e8eef2;
  --gray-600: #5a6b7d;
  --gray-800: #2a3544;

  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;

  --header-h: 80px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(7, 36, 70, 0.08);
  --shadow-lg: 0 12px 48px rgba(7, 36, 70, 0.12);
  --transition: 0.25s ease;
  --hover-lift: translateY(-2px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img,
picture {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--teal-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover {
  color: var(--teal-bright);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
}
h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}
h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1rem;
}
p:last-child {
  margin-bottom: 0;
}

.container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

.container-narrow {
  width: min(720px, 100% - 2rem);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--teal);
  color: var(--navy);
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
}
.skip-link:focus {
  top: 1rem;
}

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    box-shadow var(--transition),
    border-color var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow);
  border-color: var(--gray-100);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
  min-width: 0;
  border-radius: 0.625rem;
  overflow: hidden;
  -webkit-tap-highlight-color: rgba(5, 93, 107, 0.16);
}

.logo-img {
  height: 44px;
  width: auto;
  max-width: none;
  flex-shrink: 0;
  object-fit: contain;
}

.logo-wordmark {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  min-width: 0;
}

.logo-fa {
  font-family: var(--font-body);
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1;
  color: var(--teal-dark);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo-tagline {
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--teal-dark);
  letter-spacing: 0.01em;
  margin-left: -5px;
}

.logo-tagline-line {
  display: block;
  white-space: nowrap;
}

.logo-tagline-line--sub {
  padding-left: 0.3em;
}

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

.site-nav a {
  color: var(--navy);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition);
}
.site-nav a:hover {
  color: var(--teal-dark);
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--navy);
  color: var(--white) !important;
  border-radius: 999px;
  transition:
    background var(--transition),
    transform var(--transition);
}
.nav-cta:hover {
  background: var(--teal-darker);
  color: var(--white) !important;
  transform: var(--hover-lift);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition:
    transform var(--transition),
    opacity var(--transition);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.btn-primary {
  background: var(--teal);
  color: var(--navy);
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal-bright);
  border-color: var(--teal-bright);
  color: var(--navy);
  transform: var(--hover-lift);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  transform: var(--hover-lift);
}

.btn-full {
  width: 100%;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg picture {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(7, 36, 70, 0.92) 0%,
    rgba(5, 93, 107, 0.78) 50%,
    rgba(7, 36, 70, 0.88) 100%
  );
}

.hero-pixels {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.pixel {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  opacity: 0.6;
}
.pixel--teal {
  background: var(--teal);
}
.pixel--orange {
  background: var(--orange);
}

.pixel:nth-child(1) {
  top: 20%;
  right: 15%;
  animation: float 6s ease-in-out infinite;
}
.pixel:nth-child(2) {
  top: 35%;
  right: 22%;
  animation: float 7s ease-in-out 1s infinite;
}
.pixel:nth-child(3) {
  bottom: 30%;
  right: 10%;
  animation: float 5s ease-in-out 0.5s infinite;
}
.pixel:nth-child(4) {
  bottom: 20%;
  right: 25%;
  animation: float 8s ease-in-out 1.5s infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 680px;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.hero-title {
  color: var(--white);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* -------------------------------------------------------------------------- */
/* Marquee                                                                    */
/* -------------------------------------------------------------------------- */

.marquee-section {
  background: var(--navy);
  padding: 1rem 0;
  overflow: hidden;
}

.marquee {
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track span {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
}
.marquee-track span::before {
  content: "◆";
  color: var(--teal);
  margin-right: 1rem;
  font-size: 0.5rem;
  vertical-align: middle;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    gap: 1rem 2rem;
  }
}

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

.section {
  padding: 5rem 0;
}
.section-light {
  background: var(--white);
}
.section-dark {
  background: var(--navy);
  color: var(--white);
}
.section-dark h2,
.section-dark h3 {
  color: var(--white);
}
.section-muted {
  background: var(--gray-50);
}
.section-contact {
  background: linear-gradient(160deg, var(--navy) 0%, var(--teal-darker) 100%);
  color: var(--white);
}
.section-contact h2 {
  color: var(--white);
}

.section-header {
  margin-bottom: 3rem;
  max-width: 640px;
}

.section-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
}
.section-eyebrow--light {
  color: var(--teal);
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--gray-600);
  margin-top: 0.75rem;
}
.section-desc--light {
  color: rgba(255, 255, 255, 0.75);
}

/* -------------------------------------------------------------------------- */
/* Service cards                                                              */
/* -------------------------------------------------------------------------- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    opacity 0.6s ease;
}
.service-card:hover {
  transform: var(--hover-lift);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-100);
}

.service-card.reveal.is-visible:hover {
  transform: var(--hover-lift);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 204, 190, 0.12);
  color: var(--teal-dark);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
}
.card-icon svg {
  width: 24px;
  height: 24px;
}
.card-icon--orange {
  background: rgba(255, 166, 38, 0.12);
  color: var(--orange);
}
.card-icon--dark {
  background: rgba(7, 36, 70, 0.08);
  color: var(--navy);
}

.card-subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
}

.service-card p:last-child {
  font-size: 0.9375rem;
  color: var(--gray-600);
}

/* -------------------------------------------------------------------------- */
/* Approach steps                                                             */
/* -------------------------------------------------------------------------- */

.approach-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

.approach-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    opacity 0.6s ease;
}
.approach-step:hover,
.approach-step.reveal.is-visible:hover {
  transform: var(--hover-lift);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}

.approach-step p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
}

/* -------------------------------------------------------------------------- */
/* Client cards                                                               */
/* -------------------------------------------------------------------------- */

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.client-card {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    opacity 0.6s ease;
}

.client-card:hover,
.client-card.reveal.is-visible:hover {
  transform: var(--hover-lift);
  box-shadow: var(--shadow-lg);
}

.client-card h3 {
  margin-bottom: 0.75rem;
}
.client-card p {
  font-size: 0.9375rem;
  color: var(--gray-600);
}

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

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.faq-item[open],
.faq-item.is-expanded {
  border-color: var(--gray-100);
  box-shadow: var(--shadow);
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background var(--transition);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--teal-dark);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] summary::after,
.faq-item.is-expanded summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--gray-50);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition);
}

.faq-item[open] .faq-answer,
.faq-item.is-expanded .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
  min-height: 0;
  opacity: 0;
  transform: translateY(-6px);
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.faq-item[open] .faq-answer-inner,
.faq-item.is-expanded .faq-answer-inner {
  opacity: 1;
  transform: translateY(0);
}

.faq-answer-inner p {
  padding: 0.75rem 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--gray-600);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-email {
  margin-top: 1.5rem;
  font-size: 1.125rem;
}
.contact-email a {
  color: var(--teal);
  text-decoration: none;
  font-weight: 600;
}
.contact-email a:hover {
  color: var(--white);
  text-decoration: underline;
}

.contact-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--navy);
  background: var(--white);
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-fallback {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}
.form-fallback a {
  color: var(--teal);
}

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

.site-footer {
  background: var(--white);
  color: var(--gray-600);
  padding: 2.5rem 0;
  font-size: 0.875rem;
  border-top: 1px solid var(--gray-100);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 2rem;
  align-items: center;
}

.footer-logo {
  margin-bottom: 0.5rem;
}
.footer-reg {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin: 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}
.footer-links a {
  color: var(--teal-dark);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--navy);
}

.back-to-top {
  background: none;
  border: none;
  color: var(--gray-600);
  font-size: 0.8125rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.back-to-top:hover {
  color: var(--navy);
}

.footer-copy {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.8125rem;
  color: var(--gray-600);
}

/* -------------------------------------------------------------------------- */
/* Scroll reveal                                                              */
/* -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Keep scroll-reveal from blocking card hover lift (same specificity as .reveal.is-visible) */
.service-card.reveal.is-visible,
.client-card.reveal.is-visible,
.approach-step.reveal.is-visible {
  transform: translateY(0);
  transition:
    opacity 0.6s ease,
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.approach-step.reveal.is-visible {
  transition:
    opacity 0.6s ease,
    transform var(--transition),
    box-shadow var(--transition);
}

@media (prefers-reduced-motion: reduce) {
  .client-card,
  .faq-item,
  .faq-item summary,
  .faq-item summary::after,
  .faq-answer,
  .faq-answer-inner {
    transition: none;
    animation: none;
  }

  .client-card:hover,
  .service-card:hover,
  .approach-step:hover {
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* -------------------------------------------------------------------------- */
/* Responsive                                                                 */
/* -------------------------------------------------------------------------- */

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

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: none;
  }
  .site-nav.can-animate {
    transition:
      transform var(--transition),
      opacity var(--transition),
      visibility var(--transition);
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .site-nav ul {
    flex-direction: column;
    gap: 1.25rem;
    align-items: stretch;
  }
  .nav-cta {
    text-align: center;
  }

  .nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    padding: calc(var(--header-h) + 2rem) 0 3rem;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }

  .section {
    padding: 3.5rem 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .footer-logo {
    margin-inline: auto;
  }
  .footer-links {
    align-items: center;
  }

  .logo-link {
    padding: 0.1875rem 0.3125rem;
  }

  .logo-img {
    height: 38px;
  }
  .logo-fa {
    font-size: 2.25rem;
  }
  .logo-tagline {
    font-size: 0.9375rem;
  }
}