/* ═══════════════════════════════════════════════════════
   BRIEFS LANDING PAGE  —  landing-page.css
   -------------------------------------------------------
   Page-specific styles only.
   Requires: briefs.css loaded first.
═══════════════════════════════════════════════════════ */


/* ════════════════════════════════════════
   HERO  —  free-scrolling, full-height
════════════════════════════════════════ */
.hero-section {
  min-height: 100vh;
  background: var(--cream);
  overflow: hidden;
  position: relative;
}
.hero-inner {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 48px) var(--page-gutter) 80px;
  z-index: 2;
}
.hero-inner::before {
  content: '';
  position: absolute;
  top: var(--nav-h); left: var(--page-gutter); right: var(--page-gutter);
  height: 1px;
  background: var(--rule);
}
.hero-inner::after {
  content: '';
  position: absolute;
  bottom: 0; left: var(--page-gutter); right: var(--page-gutter);
  height: 1px;
  background: var(--rule);
}

/* Ghosted background letter — decorative */
.hero-bg-letter {
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-55%);
  font-family: var(--serif);
  font-size: clamp(300px, 45vw, 680px);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(26,20,16,0.06);
  user-select: none;
  pointer-events: none;
  z-index: 0;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  opacity: 0; /* animated by GSAP */
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px; height: 1px;
  background: var(--accent);
}
.hero-headline {
  font-family: var(--serif);
  font-size: clamp(42px, 7.5vw, 110px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 14ch;
  opacity: 0;
  position: relative;
  z-index: 2;
}
.hero-headline em { font-style: italic; color: var(--accent); }

.hero-sub {
  font-family: var(--sans);
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 300;
  color: var(--muted);
  max-width: 46ch;
  line-height: 1.6;
  margin-top: 28px;
  opacity: 0;
  position: relative;
  z-index: 2;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 44px;
  flex-wrap: wrap;
  opacity: 0;
  position: relative;
  z-index: 2;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 56px;
  opacity: 0;
  position: relative;
  z-index: 2;
}
.hero-counter {
  position: absolute;
  right: var(--page-gutter); bottom: 32px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-align: right;
  z-index: 2;
  opacity: 0;
}
.hero-counter strong {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--ink);
  display: block;
  line-height: 1;
}

/* ════════════════════════════════════════
   HERO BUTTONS  —  explicit overrides
════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--ease-base), transform var(--ease-base);
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--rule);
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--ease-base), color var(--ease-base), transform var(--ease-base);
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-2px);
}


/* ════════════════════════════════════════
   GSAP SNAP SLIDESHOW
════════════════════════════════════════ */
.slide-wrapper {
  position: relative;
  /* height set by JS: 100vh × numPanels */
}
.panels {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}
.panel {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: translateY(100%);
  will-change: transform;
}
.panel:first-child { transform: translateY(0); }

/* Ownership panel (dark) */
.panel.two { background: var(--ink); color: var(--cream); }
.panel-two-inner {
  width: 100%; height: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}
.panel-two-inner::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  width: 1px;
  background: var(--rule-light);
}
.p2-left {
  padding: 8vw 5vw 8vw var(--page-gutter);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.p2-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.p2-tag::before { content: ''; width: 24px; height: 1px; background: var(--accent); display: block; }
.p2-headline {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 28px;
}
.p2-headline em { font-style: italic; color: rgba(245,240,232,0.5); }
.p2-body {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  color: rgba(245,240,232,0.65);
  line-height: 1.7;
  max-width: 38ch;
  margin-bottom: 40px;
}
.p2-right {
  padding: 8vw var(--page-gutter) 8vw 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.p2-stat { margin-bottom: 48px; }
.p2-stat-num {
  font-family: var(--serif);
  font-size: clamp(56px, 8vw, 110px);
  font-weight: 900;
  line-height: 0.9;
  color: var(--cream);
}
.p2-stat-num sup { font-size: 0.3em; vertical-align: top; margin-top: 0.3em; color: var(--accent); }
.p2-stat-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.4);
  margin-top: 8px;
}
.p2-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--accent);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  letter-spacing: 0.04em;
  transition: opacity var(--ease-base), transform var(--ease-base);
}
.p2-cta:hover { opacity: 0.85; transform: translateY(-2px); }

/* Screenshot panels */
.panel.screenshot { background: var(--cream); }
.screenshot-bg-num {
  position: absolute;
  left: 4vw; bottom: 6vh;
  font-family: var(--serif);
  font-size: clamp(80px, 14vw, 200px);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(26,20,16,0.06);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  z-index: 0;
}
.screenshot-label {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: 32px 5vw;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 4;
}
.screenshot-title-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}
.screenshot-title-tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.screenshot-idx {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.panel img {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -45%);
  max-width: 88%; max-height: 78vh;
  width: auto; height: auto;
  object-fit: contain;
  z-index: 2;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Slide controls */
.controls {
  position: fixed;
  bottom: 36px; right: 36px;
  z-index: 7000;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-smooth);
}
.controls.is-visible { opacity: 1; pointer-events: all; }
.controls a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: var(--ink);
  color: var(--cream);
  border-radius: 50%;
  font-size: 16px;
  user-select: none;
  transition: background var(--ease-base), transform var(--ease-base);
}
.controls a:hover:not(.disabled) { background: var(--accent); transform: scale(1.05); }
.controls a.disabled { opacity: 0.25; pointer-events: none; }
.slide-counter {
  position: fixed;
  bottom: 40px; right: 90px;
  z-index: 7000;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-smooth);
}
.slide-counter.is-visible { opacity: 1; }
.slide-counter .hidden { display: none; }


/* ════════════════════════════════════════
   HOW IT WORKS  (extends .steps-grid from system)
════════════════════════════════════════ */
.section-hiw {
  padding: var(--space-10) var(--page-gutter);
  background: var(--warm-white);
  position: relative;
}
.section-hiw::before {
  content: '';
  position: absolute;
  top: 0; left: var(--page-gutter); right: var(--page-gutter);
  height: 1px;
  background: var(--rule);
}
.hiw-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 80px;
}
.hiw-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hiw-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--accent); display: block; }
.hiw-title {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}
.hiw-sub {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--muted);
  max-width: 30ch;
  line-height: 1.6;
  text-align: right;
}
/* HIW cards use .hiw-card (existing markup kept as-is) */
.hiw-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.hiw-card {
  background: var(--warm-white);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: background var(--ease-smooth);
}
.hiw-card:hover { background: var(--cream); }
.hiw-card-num {
  font-family: var(--serif);
  font-size: 80px;
  font-weight: 900;
  color: var(--rule);
  line-height: 1;
  margin-bottom: -16px;
  display: block;
  transition: color var(--ease-smooth);
}
.hiw-card:hover .hiw-card-num { color: var(--accent-light); }
.hiw-card-title {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
}
.hiw-card-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  filter: grayscale(0.1);
  transition: filter var(--ease-smooth);
}
.hiw-card:hover .hiw-card-img { filter: none; }
.hiw-card-body {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}
.hiw-card-body a { color: var(--ink); border-bottom: 1px solid var(--rule); }


/* ════════════════════════════════════════
   SOCIAL PROOF  (landing-page specific overrides)
════════════════════════════════════════ */
.proof-avatars {
  display: flex;
  flex-direction: row;       /* horizontal stack */
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;
}
.proof-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 3px solid var(--cream);
  margin-left: -12px;
  object-fit: cover;
  transition: transform var(--ease-base);
  position: relative;
}
.proof-avatar:first-child { margin-left: 0; }
.proof-avatar:hover { transform: scale(1.15) translateY(-4px); z-index: 10; }
.proof-more {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 3px solid var(--cream);
  margin-left: -12px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--mono);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.proof-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 36px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  letter-spacing: 0.04em;
  transition: background var(--ease-base), transform var(--ease-base);
}
.proof-cta:hover { background: var(--accent); transform: translateY(-2px); }


/* ════════════════════════════════════════
   TOP BRIEFS  (extends .briefs-* from system)
════════════════════════════════════════ */
.section-briefs { padding: var(--space-9) var(--page-gutter); background: var(--warm-white); }
.section-briefs-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}
.briefs-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.briefs-title {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  color: var(--ink);
}
.briefs-view-more {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color var(--ease-base), border-color var(--ease-base);
}
.briefs-view-more:hover { color: var(--ink); border-color: var(--ink); }
.briefs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.brief-card {
  background: var(--warm-white);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background var(--ease-base);
}
.brief-card:hover { background: var(--cream); }
.brief-card-meta { display: flex; justify-content: space-between; align-items: center; }
.brief-card-author { display: flex; align-items: center; gap: 8px; }
.brief-card-avatar { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
.brief-card-username { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--muted); }
.brief-card-views { display: flex; align-items: center; gap: 4px; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.brief-card-title { font-family: var(--serif); font-size: 20px; font-weight: 700; color: var(--ink); line-height: 1.3; }
.brief-card-excerpt { font-family: var(--sans); font-size: 14px; color: var(--muted); line-height: 1.65; flex: 1; }
.brief-card-time { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: rgba(26,20,16,0.3); text-transform: uppercase; }
.briefs-empty { grid-column: 1 / -1; padding: 80px; text-align: center; background: var(--warm-white); }
.briefs-empty-icon { opacity: 0.25; margin-bottom: 20px; }
.briefs-empty p { font-family: var(--sans); color: var(--muted); }
.briefs-empty strong { font-family: var(--serif); font-size: 20px; color: var(--ink); display: block; margin-bottom: 8px; }


/* ════════════════════════════════════════
   RESPONSIVE (page-specific overrides)
════════════════════════════════════════ */
@media (max-width: 900px) {
  .panel-two-inner { grid-template-columns: 1fr; }
  .panel-two-inner::after { display: none; }
  .p2-left  { padding: 48px 5vw 24px; }
  .p2-right { padding: 24px 5vw 48px; border-top: 1px solid rgba(245,240,232,0.1); }
  .hiw-grid     { grid-template-columns: 1fr; }
  .briefs-grid  { grid-template-columns: 1fr; }
  .hiw-header   { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hiw-sub      { text-align: left; }
  .hero-bg-letter { font-size: 200px; right: -20px; }
  .panel img    { max-width: 100%; max-height: 78vh; transform: translate(-50%, -42%); }
  .section-briefs-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 600px) {
  .hero-pills   { gap: 8px; }
  .hero-actions { gap: 12px; }
  .controls     { bottom: 20px; right: 20px; }
  .slide-counter { right: 80px; bottom: 28px; }
  .hiw-card     { padding: 32px 24px; }
  .brief-card   { padding: 28px 20px; }
}