/* ==========================================================================
   Bliink Design — U.S. site stylesheet
   Palette (from brand manual): #000000 / #414042 / #808184 / #ffffff
   Fonts: Nunito (body) + Montserrat (headings) — both Google Fonts
   ========================================================================== */

:root {
  --black: #000000;
  --near-black: #0a0a0a;
  --gray-900: #1c1c1e;
  --gray-700: #414042;
  --gray-500: #808184;
  --gray-300: #c8c8ca;
  --gray-100: #f2f2f3;
  --white: #ffffff;

  --font-body: "Nunito", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-head: "Montserrat", -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width: 1160px;
  --radius: 10px;
  --transition: 200ms ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid currentColor;
  border-radius: 999px;
  margin-bottom: 24px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-bottom: 14px;
}

.section-head p {
  color: var(--gray-700);
  font-size: 1.05rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--black);
  color: var(--white);
}
.btn-primary:hover { background: var(--gray-900); }

.btn-inverse {
  background: var(--white);
  color: var(--black);
}
.btn-inverse:hover { background: var(--gray-100); }

.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn-outline:hover { background: rgba(0,0,0,0.05); }

.btn-outline.on-dark:hover { background: rgba(255,255,255,0.1); }

.btn-sm { padding: 10px 18px; font-size: 0.85rem; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.microcopy {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 14px;
}
.microcopy.on-dark { color: var(--gray-300); }

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  background: rgba(0,0,0,0.92);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
}
.logo img {
  height: 28px;
  width: auto;
  display: block;
}
.footer-top .logo img { height: 26px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  color: rgba(255,255,255,0.82);
  font-weight: 600;
  font-size: 0.94rem;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-cta {
  display: inline-flex;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  position: relative;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle span::before { position: absolute; top: -7px; }
.menu-toggle span::after { position: absolute; top: 7px; }

/* Mobile menu overlay — fully opaque, fixed, blocks scroll (fixes the bug found in the CRO audit) */
.mobile-menu {
  position: fixed;
  inset: 0;
  width: 100%;
  min-height: 100dvh;
  background: #000000;
  opacity: 0;
  visibility: hidden;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  padding: 24px;
  transition: opacity 220ms ease;
  overflow-y: auto;
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}
.mobile-menu-close {
  background: none;
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu nav a {
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.7rem;
  padding: 14px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu .mobile-cta {
  margin-top: 32px;
}
body.menu-open { overflow: hidden; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-right .nav-cta.desktop-only { display: none; }
  .menu-toggle { display: inline-flex; }
}

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

.hero {
  background: var(--black);
  color: var(--white);
  padding: 168px 0 110px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.2vw, 3.6rem);
  margin-bottom: 22px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--gray-300);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-visual {
  position: relative;
  margin-top: 72px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 16px;
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
}
.hero-visual .shot {
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.hero-visual .shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}
@media (max-width: 640px) {
  .hero-visual { grid-template-columns: 1fr; }
}

.hero-note {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 12px;
}

/* credibility bar */
.credibility {
  background: var(--gray-100);
  padding: 28px 0;
}
.credibility p {
  text-align: center;
  color: var(--gray-700);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ---- Generic dark/light section variants -------------------------------- */

.section-dark {
  background: var(--black);
  color: var(--white);
}
.section-dark .section-head p { color: var(--gray-300); }

.section-alt {
  background: var(--gray-100);
}

/* ---- Cards / grids ------------------------------------------------------- */

.grid {
  display: grid;
  gap: 28px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius);
  padding: 32px;
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: rgba(0,0,0,0.3); transform: translateY(-2px); }

.section-dark .card {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.14);
}
.section-dark .card:hover { border-color: rgba(255,255,255,0.35); }

.card .num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--gray-500);
  letter-spacing: 0.08em;
}

.card h3 {
  font-size: 1.2rem;
}

.card p {
  color: var(--gray-700);
  font-size: 0.96rem;
  flex-grow: 1;
}
.section-dark .card p { color: var(--gray-300); }

.card .outcome {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--black);
}
.section-dark .card .outcome { color: var(--white); }

.card .card-cta {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.card .price-tag {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  border-top: 1px solid rgba(0,0,0,0.1);
  padding-top: 14px;
  margin-top: auto;
}
.section-dark .card .price-tag { border-top-color: rgba(255,255,255,0.14); }

/* ---- Process steps ------------------------------------------------------ */

.process-steps {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
@media (max-width: 900px) { .process-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-steps { grid-template-columns: 1fr; } }

.process-steps li {
  border-top: 3px solid var(--black);
  padding-top: 16px;
}
.process-steps .step-num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--gray-300);
  display: block;
  margin-bottom: 6px;
}
.process-steps h4 { font-size: 1.05rem; margin-bottom: 6px; }
.process-steps p { color: var(--gray-700); font-size: 0.92rem; }

/* ---- Pricing table -------------------------------------------------- */

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
.pricing-table th, .pricing-table td {
  text-align: left;
  padding: 18px 16px;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}
.pricing-table th {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
}
.pricing-table td:last-child, .pricing-table th:last-child {
  text-align: right;
  font-family: var(--font-head);
  font-weight: 700;
}
.pricing-note {
  margin-top: 18px;
  color: var(--gray-700);
  font-size: 0.9rem;
  max-width: 640px;
}

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

.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.12);
}
.faq-item:first-child { border-top: 1px solid rgba(0,0,0,0.12); }

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: inherit;
}
.faq-q .icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: transform var(--transition);
}
.faq-item.is-open .faq-q .icon { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 260ms ease;
}
.faq-a p {
  padding-bottom: 22px;
  color: var(--gray-700);
  max-width: 720px;
}
.section-dark .faq-a p { color: var(--gray-300); }

/* ---- Work / case study cards ------------------------------------------- */

.case-card {
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case-card .case-visual {
  aspect-ratio: 16/9;
  background: var(--gray-900);
  overflow: hidden;
}
.case-card .case-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 300ms ease;
}
.case-card:hover .case-visual img { transform: scale(1.04); }
.case-card .case-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.case-card .tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
}
.case-card h3 { font-size: 1.3rem; }
.case-card p { color: var(--gray-700); }
.case-detail {
  border-top: 1px solid rgba(0,0,0,0.08);
  margin-top: 26px;
  padding-top: 40px;
}
.case-detail h3 { font-size: 1.5rem; margin-bottom: 14px; }
.case-detail .label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  margin-top: 22px;
  margin-bottom: 6px;
}
.case-detail p { color: var(--gray-700); max-width: 720px; }
.case-detail .services-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}
.case-detail .services-list span {
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  color: var(--gray-700);
}
.case-detail .case-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.1);
  margin-bottom: 28px;
}
.case-detail .case-image img {
  width: 100%;
  display: block;
}

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

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.field label {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(0,0,0,0.18);
  border-radius: 8px;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  background: var(--white);
  color: var(--gray-900);
  transition: border-color var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--black);
}
.field textarea { min-height: 130px; resize: vertical; }
.field .optional-tag {
  color: var(--gray-500);
  font-weight: 400;
  font-size: 0.78rem;
}

.form-status {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.92rem;
  display: none;
}
.form-status.visible { display: block; }
.form-status.success { background: #eafaf0; color: #14532d; border: 1px solid #86e0ab; }
.form-status.error { background: #fdecec; color: #7a1c1c; border: 1px solid #f2a9a9; }

.submit-row {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-info-block {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}
@media (max-width: 640px) { .contact-info-block { grid-template-columns: 1fr; } }
.contact-info-block .info-card {
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius);
  padding: 22px;
}
.contact-info-block .info-card .label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  margin-bottom: 6px;
}
.contact-info-block .info-card a, .contact-info-block .info-card p {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
}

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

.site-footer {
  background: var(--black);
  color: var(--gray-300);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 700px) { .footer-top { grid-template-columns: 1fr; } }
.footer-top .brand-col .logo { margin-bottom: 16px; }
.footer-top .brand-col p { max-width: 340px; font-size: 0.92rem; }
.footer-col h5 {
  font-family: var(--font-head);
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 10px;
  color: var(--gray-300);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ---- Page hero (non-home pages) ---------------------------------------- */

.page-hero {
  background: var(--black);
  color: var(--white);
  padding: 168px 0 80px;
}
.page-hero h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); margin-bottom: 18px; }
.page-hero p { color: var(--gray-300); max-width: 640px; font-size: 1.08rem; }

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

.text-center { text-align: center; }
.mt-lg { margin-top: 64px; }
.small-note {
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 10px;
}

/* ---- Accessibility: visible focus + reduced motion ----------------------- */

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
  border-radius: 4px;
}
.section-dark a:focus-visible,
.hero a:focus-visible,
.site-header a:focus-visible,
.site-footer a:focus-visible,
.mobile-menu a:focus-visible {
  outline-color: var(--white);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .case-card:hover .case-visual img,
  .card:hover,
  .btn:hover {
    transform: none !important;
  }
}

/* ---- Evidence strip (compact proof, placed right after hero) ------------- */

.evidence-strip {
  background: var(--gray-100);
  padding: 40px 0;
}
.evidence-strip .grid { gap: 20px; }
.evidence-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  padding: 18px;
}
.evidence-item img {
  width: 88px;
  height: 66px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}
.evidence-item .eyebrow-sm {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
  display: block;
  margin-bottom: 4px;
}
.evidence-item p {
  font-size: 0.92rem;
  color: var(--gray-700);
}
.evidence-item a {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.82rem;
  display: inline-block;
  margin-top: 6px;
}

/* ---- Offers (3 primary ways to work with Bliink) -------------------------- */

.offer-card {
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
}
.offer-card h3 { font-size: 1.25rem; }
.offer-card p { color: var(--gray-700); font-size: 0.95rem; }
.offer-card .built-from {
  font-size: 0.78rem;
  color: var(--gray-500);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.offer-card .built-from span {
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 999px;
  padding: 4px 10px;
}
.offer-card .price-tag { margin-top: auto; }

/* ---- Contact form: collapsible optional fields ---------------------------- */

.form-optional {
  grid-column: 1 / -1;
  border: 1px dashed rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 4px 16px;
}
.form-optional summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 12px 0;
  color: var(--gray-700);
}
.form-optional[open] summary { margin-bottom: 4px; }
.form-optional .form-grid { margin-top: 4px; padding-bottom: 12px; }