/* PromoSwift — The Slipstream | Build 2026-07-27 */
:root {
  --paper: #FCFBF9;
  --slate: #E6ECF4;
  --graphite: #14171C;
  --violet: #5A2BE2;
  --citrus: #FFD166;
  --grey: #83837C;
  --white: #FFFFFF;
  --font-display: 'Gabarito', sans-serif;
  --font-body: 'Hanken Grotesk', sans-serif;
  --font-mono: 'Fragment Mono', monospace;
  --radius: 4px;
  --shadow: 0 12px 40px rgba(20, 23, 28, 0.08);
  --max-width: 1200px;
  --header-h: 72px;
}

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

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

@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: 1.0625rem;
  line-height: 1.65;
  color: var(--graphite);
  background: var(--paper);
}

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

a { color: var(--violet); text-decoration-thickness: 1px; }
a:hover { color: var(--graphite); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.75em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p { margin: 0 0 1em; }

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.surface-paper { background: var(--paper); color: var(--graphite); }
.surface-graphite { background: var(--graphite); color: var(--paper); }
.surface-slate { background: var(--slate); color: var(--graphite); }
.surface-violet { background: var(--violet); color: var(--white); }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 251, 249, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--slate);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--graphite);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.main-nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--graphite);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--violet); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--slate);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--slate);
    padding: 1rem;
    display: none;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0.75rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

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

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

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

.btn-secondary:hover {
  background: var(--graphite);
  color: var(--paper);
}

.btn-citrus {
  background: var(--citrus);
  color: var(--graphite);
  border-color: var(--citrus);
}

.btn-citrus:hover {
  background: var(--graphite);
  color: var(--citrus);
  border-color: var(--graphite);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero — THE RUNWAY */
.hero-runway {
  position: relative;
  padding: 2rem 0 5rem;
  overflow: hidden;
  min-height: 92vh;
}

.hero-top-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero-meta { color: var(--grey); max-width: 50%; text-align: right; }

.hero-hairline {
  border: none;
  border-top: 1px solid rgba(20, 23, 28, 0.2);
  margin: 0 0 1.5rem;
}

.hero-mid-dot {
  display: block;
  width: 6px;
  height: 6px;
  background: var(--violet);
  border-radius: 50%;
  margin: -0.75rem auto 2rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
}

.hero-runway .slipstream-arc {
  position: absolute;
  top: 120px;
  left: 0;
  width: 100%;
  height: 200px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.hero-runway .hero-copy { position: relative; z-index: 2; }

.hero-runway h1 {
  font-size: clamp(2.75rem, 5vw, 5.25rem);
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.text-violet { color: var(--violet); }

.hero-trust {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--grey);
  letter-spacing: 0.05em;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(20, 23, 28, 0.12);
}

.hero-runway .hero-plate {
  position: relative;
  z-index: 1;
  justify-self: end;
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(20, 23, 28, 0.15);
}

.hero-runway .hero-plate::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 24px;
  border-top: 2px solid var(--violet);
  border-right: 2px solid var(--violet);
}

.hero-runway .hero-plate img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.hero-tagline {
  font-size: 1.05rem;
  color: rgba(20, 23, 28, 0.8);
  max-width: 36rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero-runway { min-height: 80vh; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-runway .hero-plate { max-width: 100%; }
  .hero-meta { font-size: 0.65rem; }
}

/* Sections */
.section { padding: 4rem 0; }
.section-tight { padding: 3rem 0; }

.section-header {
  margin-bottom: 2.5rem;
  max-width: 640px;
}

.section-header .label { color: var(--violet); margin-bottom: 0.5rem; display: block; }

/* Slipstream stages */
.slipstream-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: stage;
}

.slipstream-stage {
  background: var(--white);
  border: 1px solid var(--slate);
  padding: 0;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.slipstream-stage img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.slipstream-stage .stage-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.slipstream-stage .stage-body::before {
  counter-increment: stage;
  content: counter(stage, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--violet);
  display: block;
  margin-bottom: 0.75rem;
}

.slipstream-stage h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.slipstream-stage p { font-size: 0.9375rem; color: var(--grey); margin: 0; }

@media (max-width: 900px) {
  .slipstream-track { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .slipstream-track { grid-template-columns: 1fr; }
}

/* Slow-launch panels */
.launch-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.launch-panel {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--slate);
}

.launch-panel img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.launch-panel .panel-body { padding: 1.25rem 1.5rem; }
.launch-panel h3 { font-size: 1.1rem; }

@media (max-width: 768px) {
  .launch-panels { grid-template-columns: 1fr; }
}

/* Capability list */
.capability-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: cap;
}

.capability-list li {
  display: grid;
  grid-template-columns: 3rem 72px 1fr;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--slate);
  align-items: start;
}

.capability-list .cap-thumb img {
  width: 72px;
  height: 54px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--slate);
}

.capability-list li::before {
  counter-increment: cap;
  content: counter(cap, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--violet);
  padding-top: 0.25rem;
}

.capability-list h3 { margin-bottom: 0.35rem; font-size: 1.15rem; }
.capability-list p { margin: 0; color: var(--grey); font-size: 0.975rem; }

/* Work grid */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.work-card {
  background: var(--white);
  border: 1px solid var(--slate);
  border-radius: var(--radius);
  overflow: hidden;
}

.work-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.work-card .card-body { padding: 1.25rem; }
.work-card .label { color: var(--grey); margin-bottom: 0.35rem; }

@media (max-width: 768px) {
  .work-grid { grid-template-columns: 1fr; }
}

/* Neighbourhood strip */
.neighbourhood-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.neighbourhood-strip img {
  border-radius: var(--radius);
  aspect-ratio: 16/10;
  object-fit: cover;
  width: 100%;
}

@media (max-width: 768px) {
  .neighbourhood-strip { grid-template-columns: 1fr; }
}

/* FAQ */
.faq-list { margin: 0; padding: 0; list-style: none; }

.faq-item {
  border-bottom: 1px solid var(--slate);
  padding: 1.25rem 0;
}

.faq-item summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  color: var(--violet);
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: '−'; }

.faq-item .faq-answer {
  padding-top: 0.75rem;
  color: var(--grey);
  font-size: 0.975rem;
}

/* CTA band */
.cta-band {
  padding: 4rem 0;
  text-align: center;
}

.cta-band h2 { max-width: 20ch; margin-inline: auto; }

.cta-band p {
  max-width: 48ch;
  margin: 0 auto 2rem;
  color: rgba(255, 255, 255, 0.92);
}

.section-figure {
  margin-top: 2rem;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 640px;
}

.section-figure img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Services page */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--slate);
}

.service-block:nth-child(even) { direction: rtl; }
.service-block:nth-child(even) > * { direction: ltr; }

.service-block img {
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

@media (max-width: 768px) {
  .service-block,
  .service-block:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

/* Contact form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.35rem;
  font-size: 0.9375rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--slate);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--white);
  margin-bottom: 1.25rem;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: 2px solid var(--violet);
  outline-offset: 1px;
}

.contact-form .hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.contact-form .consent-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact-form .consent-row input { width: auto; margin: 0.25rem 0 0; }

.contact-details {
  background: var(--slate);
  padding: 2rem;
  border-radius: var(--radius);
}

.contact-details dl { margin: 0; }
.contact-details dt { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--grey); margin-top: 1rem; }
.contact-details dt:first-child { margin-top: 0; }
.contact-details dd { margin: 0.25rem 0 0; }

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* Legal prose */
.legal-prose { max-width: 720px; }
.legal-prose h2 { font-size: 1.35rem; margin-top: 2rem; }
.legal-prose ul, .legal-prose ol { margin: 0 0 1em 1.25rem; }
.legal-prose li { margin-bottom: 0.5em; }

/* About team */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.about-split figure {
  max-width: 340px;
  justify-self: center;
}

.about-split img {
  border-radius: var(--radius);
  aspect-ratio: 4/5;
  object-fit: cover;
  width: 100%;
  max-height: 400px;
}

@media (max-width: 768px) {
  .about-split { grid-template-columns: 1fr; }
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 4rem 0;
}

.error-page h1 { margin-bottom: 1rem; }
.error-page p { color: var(--grey); max-width: 40ch; margin-inline: auto 2rem; }

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand .logo { color: var(--paper); display: inline-block; margin-bottom: 0.75rem; }
.footer-brand p { color: var(--grey); margin: 0; max-width: 36ch; }

.footer-links h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grey);
  margin-bottom: 0.75rem;
}

.footer-links ul { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { color: var(--slate); text-decoration: none; }
.footer-links a:hover { color: var(--citrus); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 1.5rem;
  color: var(--grey);
  font-size: 0.8125rem;
}

.footer-bottom p { margin: 0 0 0.5rem; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--graphite);
  color: var(--paper);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
  display: none;
}

.cookie-banner.is-visible { display: block; }

.cookie-inner {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-inner p { margin: 0; font-size: 0.875rem; max-width: 560px; }
.cookie-inner a { color: var(--citrus); }

.cookie-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.cookie-actions button {
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
}

.cookie-accept { background: var(--violet); color: var(--white); border-color: var(--violet); }
.cookie-reject { background: transparent; color: var(--paper); border-color: rgba(255,255,255,0.3); }
.cookie-customise { background: transparent; color: var(--citrus); border-color: var(--citrus); }

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 210;
  background: rgba(20,23,28,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.cookie-modal.is-visible { display: flex; }

.cookie-modal-panel {
  background: var(--paper);
  color: var(--graphite);
  padding: 2rem;
  border-radius: var(--radius);
  max-width: 480px;
  width: 100%;
}

.cookie-modal-panel h3 { margin-bottom: 1rem; }

.cookie-toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--slate);
}

/* Reveal animations — JS-off safe */
.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Thanks page */
.thanks-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1rem;
}

.thanks-page h1 { margin-bottom: 0.75rem; }