/* ============================================================
   NEXTBESTIE — Brand-specific styles
   Shared case study structure lives in css/casestudy.css
   Accent: #FF4B81 (brand pink)
============================================================ */

/* ---- Colour tokens ----------------------------------------- */
:root {
  --nb-blue:       #FF4B81;
  --nb-blue-dark:  #E0366A;
  --nb-indigo:     #FF7AA4;
  --nb-glow:       rgba(255,75,129,0.2);

  /* Shared cs-* components (casestudy.css) read the accent through these */
  --cs-accent:       var(--nb-blue);
  --cs-accent-dark:  var(--nb-blue-dark);
  --cs-glow:         var(--nb-glow);
  --cs-hover-border: rgba(255,75,129,0.35);
}


/* ---- Hero brand styles ------------------------------------ */
.nb-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nb-blue);
  background: rgba(255,75,129,0.1);
  border: 1px solid rgba(255,75,129,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}


/* ---- Brand accent overrides ------------------------------- */
.nb-persona-section .persona { --persona-accent: var(--nb-blue); }
.nb-persona-section .persona__avatar { border-color: var(--nb-blue); box-shadow: 0 0 0 6px rgba(255,75,129,0.12); }
.nb-persona-section .persona__badge { color: var(--nb-blue); background: rgba(255,75,129,0.1); border-color: rgba(255,75,129,0.25); }

.cs-section__title em { color: var(--nb-blue); }
.cs-meta__label { color: var(--nb-blue); }

/* ---- Brand hover overrides for shared cs-* cards ---------- */
.cs-feature-card:hover      { border-color: rgba(255,75,129,0.3); }
.cs-audience-card:hover     { border-color: rgba(255,75,129,0.3); }

/* ---- Feature card brand styles ---------------------------- */
.cs-feature-card::after {
  background: linear-gradient(to right, transparent, rgba(255,75,129,0.5), transparent);
}
.cs-feature-card__tag {
  color: var(--nb-blue);
  background: rgba(255,75,129,0.08);
  border-color: rgba(255,75,129,0.2);
}

/* ---- Mockup wrap ------------------------------------------ */
.nb-mockup-wrap {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin-left: 0;
}
.nb-mockup-wrap .cs-hero__mockup-img {
  width: 100%;
  margin-left: 0;
}

/* ---- Floating feature tags -------------------------------- */
.nb-float-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(14,14,18,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,75,129,0.3);
  color: var(--text);
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
}
.nb-float-tag--1 {
  top: 15%; left: 32%;
  animation: nbTagFloat 4s ease-in-out infinite;
}
.nb-float-tag--2 {
  top: 46%; left: 5%;
  animation: nbTagFloatCenter 4.4s ease-in-out infinite;
  animation-delay: -1.5s;
}
.nb-float-tag--3 {
  bottom: 15%; right: 42%;
  animation: nbTagFloat 3.8s ease-in-out infinite;
  animation-delay: -2.8s;
}

@keyframes nbTagFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
@keyframes nbTagFloatCenter {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-8px); }
}

/* ---- Origin story ------------------------------------------ */
.nb-origin {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 0;
}
.nb-origin__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: center;
}
.nb-origin__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 28px;
}
.nb-origin__photo-ring {
  position: absolute;
  inset: -3px;
  border-radius: 30px;
  background: linear-gradient(135deg, var(--nb-blue), transparent, var(--nb-blue-dark));
  opacity: 0.6;
  z-index: 0;
}
.nb-origin__photo {
  position: absolute;
  inset: 3px;
  width: calc(100% - 6px);
  height: calc(100% - 6px);
  object-fit: cover;
  object-position: top center;
  border-radius: 26px;
  display: block;
  z-index: 1;
}
.nb-origin__quote-mark {
  font-family: var(--font-display);
  font-size: 72px;
  line-height: 0.7;
  color: var(--nb-blue);
  opacity: 0.2;
  margin-bottom: 16px;
}
.nb-origin__text {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 24px;
}
.nb-origin__author-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.nb-origin__author-role {
  display: block;
  font-size: 13px;
  color: var(--nb-blue);
  margin-top: 2px;
}

/* ---- Download CTA brand overrides ------------------------- */
.cs-download__inner { border-color: rgba(255,75,129,0.15); }
.cs-download__inner::before {
  background: linear-gradient(to right, transparent, var(--nb-blue), transparent);
}
.nb-download__blob {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,75,129,0.15), transparent);
  top: -250px; left: 50%;
  transform: translateX(-50%);
  filter: blur(80px);
  pointer-events: none;
}
/* ---- Survey Card ------------------------------------------ */
.cs-survey-stat__track { background: rgba(255,75,129,0.1); }
.cs-survey-stat__fill { background: linear-gradient(90deg, var(--nb-blue), rgba(255,75,129,0.5)); }

/* ---- Placeholders ----------------------------------------- */
.nb-before-after {
  max-width: 900px;
  margin: 40px auto 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.nb-before-after__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
}

/* ---- User Journey ----------------------------------------- */
.cs-journey { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr; }
.cs-journey__step { padding: 28px 20px; min-width: 110px; }
.cs-journey__num { font-size: 32px; }
.cs-journey__step h4 { font-size: 13px; margin-bottom: 6px; }
.cs-journey__step p { font-size: 12px; line-height: 1.5; }
.cs-journey__arrow { padding: 0 10px; }

/* ---- Design Decisions ------------------------------------- */
.cs-decisions__grid { max-width: 900px; }

/* ---- Design Iterations ------------------------------------ */
.nb-iterations {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  max-width: 900px;
  margin: 0 auto 40px;
}
.nb-iteration {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.nb-iteration:hover {
  border-color: rgba(255,75,129,0.35);
  transform: translateY(-4px);
}
.nb-iteration--final {
  border-color: rgba(255,75,129,0.25);
  background: rgba(255,75,129,0.04);
}
.nb-iteration__ver {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 900;
  color: var(--nb-blue);
  opacity: 0.7;
  line-height: 1;
  margin-bottom: 12px;
}
.nb-iteration h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.nb-iteration p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.nb-iteration__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  color: var(--nb-blue);
  opacity: 0.4;
  flex-shrink: 0;
}

/* ---- Testing & Feedback ----------------------------------- */
.cs-feedback__grid { grid-template-columns: repeat(3, 1fr); }

/* ---- Outcome ---------------------------------------------- */
.cs-outcome__grid { grid-template-columns: repeat(3, 1fr); max-width: 1000px; margin: 0 auto; }
.cs-outcome-item { padding: 36px 28px; }
.cs-outcome-item__icon {
  background: rgba(255,75,129,0.1);
  border: 1px solid rgba(255,75,129,0.2);
}
.cs-outcome-item h4 { font-size: 16px; }
.cs-outcome-item p { font-size: 14px; }

/* ---- Responsive ------------------------------------------- */
@media (max-width: 1024px) {
  .nb-origin__inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .nb-origin__visual { max-width: 280px; margin: 0 auto; }
  .cs-journey__arrow { padding: 8px 0; }
  .nb-iterations { grid-template-columns: 1fr; }
  .nb-iteration__arrow { transform: rotate(90deg); justify-self: center; padding: 8px 0; }
  .cs-outcome__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nb-origin__inner { padding: 0 20px; }
}